Patent Grant
9624023
The present invention relates to the field of materials management, and more particularly to systems designed for containing, transferring, delivering and dispensing various materials, such as liquid applied sound deadener (LASD). The material management system of the invention is configured to deliver contamination free streams from a vessel that can be emptied and refilled repeatedly, with or without intervening cleaning of the vessel or its components.
Prior known material management systems have encountered difficulty transferring from a containment vessel certain thick, viscous fluids, liquids and other types of materials that may resist pumping and that can be damaging to pumping apparatus. As used herein, a fluid is a substance that is capable of flowing and that changes its shape at a steady rate when acted upon by a force tending to change its shape. Certain materials, while normally not considered to be fluids, also can be made to flow under certain conditions, for example, soft solids and semi-solids. Vast quantities of fluids are used in transportation, manufacturing, farming, mining, and industry. Thick fluids, viscous fluids, semi-solid fluids, visco-elastic products, pastes, gels and other fluid materials that are not easy to dispense from fluid sources (for example, pressure vessels, open containers, supply lines, etc.) comprise a sizable portion of the fluids utilized. These fluids include thick and/or viscous chemicals and other such materials, for example, lubricating greases, adhesives, sealants and mastics. The ability to transport these materials from one place to another, for example, from a container to a manufacturing or processing site, and in a manner that protects the quality of the material, is of vital importance.
Various components of fluid delivery systems are known, but are typically configured with heavy-duty pumps and are not integrated with a material delivery system having process controls and/or a computer interface capability. The contents of U.S. Pat. Nos. 4,783,366; 5,373,221; 5,418,040; 5,524,797; 6,253,799; 6,364,218; 6,540,105; 6,602,492; 6,726,773; 6,814,310; 6,840,404; and 6,861,100 are each hereby incorporated herein in their entirety by reference.
A refillable material transfer system may be configured to move highly viscous fluids from a vessel to a point of use. Such a material transfer system may be configured to dispense only the required amount of material without waste, which is especially important when chemicals are not easily handled and cannot be manually removed easily or safely from the vessel. Preferably, such a material transfer system would reduce or eliminate costs and expenses attendant to using drums, kegs and pails, as well as the waste of material associated with most existing systems. Because certain chemicals are sensitive to contamination of one form or another, such a material transfer system may be sealed, protect product quality, allow sampling without opening the container to contamination and permit proper attribution of product quality problems to either the supplier or the user. A refillable material transfer system mat further be configured to use low cost components and provide a non-mechanical (no moving parts), non-pulsating solution for dispensing and transferring thick fluids and other such materials.
There is a need for, and what was heretofore unavailable, an intelligent material transfer system having a plurality of sensors and transmitters associated with one or more material vessels. There is a need for such a refillable material transfer system that may be connected to a plurality of local control systems and integrated with a central computer control system that are enclosed within an environmentally controlled housing or cabinet. There is also a need for, and what was heretofore unavailable, an automated material transfer system configured to interface with a metering device system and/or a robotic material dispenser system. There is also a need for a an automated material transfer and dispensing system that interfaces with a material applicator and may include a pump. The refillable material transfer system may have a removable lid or be a closed system with access ports for observing and cleaning the vessel. The present invention satisfies these and other needs.
Briefly, and in general terms, the present invention is directed to a refillable material transfer system for dispensing various materials, including thick, viscous and other types of fluids that resist pumping and/or which might be damaging to pumping apparatus. The invention further provides a material management system adapted for delivery of contamination-free streams of fluid product, which can be emptied and refilled repeatedly without intervening cleaning of the apparatus. In another aspect, the invention further provides a material management system adapted to dispense thick, stiff, and/or viscous materials that resist flowing without the need for a separate pump or the need to couple a pump to a follower plate in the container. In a further aspect, the invention provides a material management system adapted to provide information to users as to how much fluid remains in the container. In yet another aspect, the invention provides a fluid management system adapted to deliver high fluid flow rates within a greater operational temperature range.
The present invention includes a refillable system for transferring material having a vessel configured with a first end having an inlet for a pressurized gas source, a second end having a manifold configured with a material inlet and a material exit, and a wall disposed between the first end and the second end so as to form a body of the vessel and to form an internal cavity within the vessel, the cavity having a transverse width. The system further includes a force transfer device disposed within the cavity of the vessel, wherein the force transfer device has a transverse width substantially less than the transverse width of the vessel. An annulus management device is removably attached to an outer perimeter of the force transfer device, and an entry port is configured on the body of the vessel for accessing the annulus management device.
The present invention is further directed to a system for monitoring the transfer of material, including a vessel and a force transfer device disposed within the vessel. The system may further include at least one instrument associated with the vessel, such as a volume sensor, a level sensor, a temperature sensor, a pressure sensor, a flow sensor, a GPS device, an RFID device, a weight cell and a timer. The system may include at least one communication device connected to at least one instrument, each communication device being hardwired or wireless. In addition, the system may be configured with a monitoring system connected to at least one communication device, the monitoring system including a processor, a data storage device, a display device and an operator input device. Further the system may include a central controller connected to at least one local controller, the central controller including a processor, a data storage device, a display device and an operator input device.
Other features and advantages of the invention will become apparent from the following detailed description, taken in conjunction with the accompanying drawings, which illustrate, by way of example, the features of the invention.
As shown in the drawings for purposes of illustration, the present invention is directed to integrated material transfer and dispensing systems for dispensing various materials, including, but not limited to, oils, greases, mastics, sealants, elastomers and other types of fluids, such as liquid applied sound deadener (LASD). The system includes a material containment vessel with an upper region incorporating a motive force, and a bottom region with a material ingress and egress opening. A diconical or other shaped, level-instrumented force transfer device may be located in the material containment area. The present invention further includes incorporating a data acquisition system into known and yet to be developed refillable material transfer system technology.
Turning now to the drawings, in which like reference numerals represent like or corresponding aspects of the drawings, and with particular reference to
As shown in
Various other sensors and transmitters may be included in the intelligent material transfer system 110, such as a flow inlet sensor 270 with transmitter 275 and flow outlet sensor 280 with transmitter 285 positioned in or about the fluid inlet outlet manifold 140 and vessel support device (legs or pedestals) 170. Similarly, the vessel 120 may be connected to a weight sensor 290 and transmitter 295, such as a load cell or similar device at or near the bottom 152 of the vessel. Further, identification devices 240 with transmitters 245, such as a radio frequency identification device (RFID), may be attached to or otherwise associated with the vessel. For purposes of locating such a material vessel, a global positioning system (GPS) device 250 and transmitter 255 may be associated with the automated material transfer system. Additionally, a mechanism for tracking the time that fluid has been retained in the vessel, such as a time sensor 260 with transmitter 265 may be configured with the system. Other timer related events, such as, but not limited to, depressurizing, start and end fill times may be monitored and/or tracked. Further, a sensor may be associated with the lifting mechanism 130 to indicate when the lid has been lifted or removed from the main body of the vessel. Such sensors may be passive or include the ability for intelligence, including operator input, local display and other functions. Alternatively, the sensors may be very simple devices, such as color dots, irreversible moisture indicators, conductivity sensors, pH sensors and the like. Other instrumentation may include devices for measurement and/or monitoring of gas properties and/or material properties.
Referring now to
A data processing system 300 of the automated material transfer system 110 may take many configurations suitable for retrieving the data from the various instrumentation, processing of data to provide alarms, time and date information, event information, fault data, financial data, calculation of fluid and other properties associated with the refillable material vessel 120. The computer control system typically will include a processor 310 or similar computing device, a display device 320 and an operator input device 340. The computer system may further include a modem 350 or other connection(s) for integrating the automated material transfer system to a remote monitoring system, an intranet, the Internet or other system. In addition, the automated material transfer system shown in
As shown in
Referring now to
The microprocessor 310 and other aspects of the present invention may be configured with external or local alternating current (AC), direct current (DC) or other power supplies (not shown). The microprocessor may also interface with an analog-to-digital (A/D) and digital-to-analog (D/A) 360 device for interfacing with the various volume, pressure, temperature, flow and other sensors and instrumentation 217, 237, 227, 277, 287, 297, 247, 257 as heretofore described. Alternatively, such devices as the RFID 247 and GPS 257 may connect directly to the microprocessor via a USB or other interface. The microprocessor may also be configured to interface directly with programmable logic controllers (PLC) 512, 522, 532, 552 for regulating pressure, temperature, flow and other process parameters. Alternatively, the microprocessor may connect with the programmable logic controllers or other control devices through the A/D and D/A converter.
One embodiment (prototype) of an intelligent material transfer system 110 of the present invention is shown in
As shown in
Referring again to
As shown in
The data from a level device configured to work with a refillable material vessel was transmitted through a wireless system to a mobile data logger operably connected to a modem or other transmission device. In this prototype, the vessel level data was stored on the datalogger and transported. The level data was transmitted from the data logger through wireless (RF) devices, a cellular phone and land phone lines to a personal computer (PC) having a modem. The software on the PC received and managed the level data. The data acquisition system was configured to acquire the level of grease in a cylinder (vessel) with wireless data transmission, transporting data between coverage areas of cellular phone systems with a vehicle, and tracking grease usage over time. During testing of the prototype, the cylinder identification and level signal was successfully transmitted from a first location via an RF signal through air to a vehicle outside the first location, then from the vehicle through a cell phone to a computer at a second location. Several transmissions were completed and the data tabulated on the computer.
The RF components outperformed design specifications by transmitting from inside the top collar of the cylinder, and with metal doors at the first location closed, through the concrete wall to the vehicle outside. The transmitted electronic level signals were obtained from a 250 gallon horizontal oil tank. As shown in
As will be appreciated by those of ordinary skill in the art, the type of data acquired, level transmitter, wired communication link between the level transmitter and RF transmitter, and power sources may be configured with various alternate devices and systems. The land line could be removed, without altering the basic scope of the invention. The RF transmitter may be configured amongst a range of frequencies, wherein 50 MHz is low, enabling communication through some physical barriers. In such a system the power consumption (less than 50 μA between readings) is low.
Referring now to
The control systems of the present invention allow a refillable material vessel to be a fully automated portable system. The control system may be self-powered, self-controlled and constantly linked with other control systems and information systems. The control system can initiate communication with another control system and/or information system, such as those for filling, transporting, inventorying, transferring, monitoring and controlling refillable material vessels and other containers. Example communications include, “Container #1 OK.”, and “Help! I'm LASD Container #1, its noon, 1-27-05, and I'm empty, cold, and lost at GM in Warren, Mich.!”.
The high levels of automation and communication of the present invention were previously unavailable with commercial refillable material transfer system technology. The control system and its components are preferably small and light, including miniature electronic components, relative to the refillable material transfer system, to be portable. The control system components preferably have a low cost and low energy consumption, including miniature electronic components, to be practical. Currently available devices may perform the various functions of the control system. The high levels of automation and communication for the control system of the present invention convert the refillable material vessel into a fully automated portable system.
Referring now to
Similarly, a temperature control system 520 may be associated with the lower portion of the vessel 20. The temperature control system may include a temperature controller 522, such as a PLC or other control device, operably connected to a temperature sensor 524 located within the fluid manifold 45 or otherwise positioned to sense an appropriate portion of the fluids temperature. The temperature controller is further operably connected to a heat transfer (heating and/or cooling) coil 526 or other mechanism for imparting thermal, kinetic or other energy to the fluid. The temperature controller may be connected to one or more temperature sensors located proximate the heating coil, in the material inlet conduit 48, the material outlet conduit 46 or any other desired location within the material manifold 45. The pressure and temperature control systems of the automated material transfer system 10 of the present invention may include local operator interfaces, such as displays and keyboard inputs for monitoring the pressure and temperature, as well as providing control set points and other data or alarm points to the controllers. Likewise, the controllers may include operator alarms, shut off mechanisms and other features known to those of ordinary skill in the art.
The intelligent material transfer system 10 of the present invention may include other control devices, such as programmable logic controllers and programmable recording controllers (PRC) to control various aspects of the material transfer system regarding sensors as shown in
The material transfer vessel 20 may be further configured with a high level sensor system 560 and a low level sensor system 570. The level sensor systems may be configured with sensors or switches 562, 572 and alarm indicators or displays 564, 574. The high and low level sensors may be operably connected to the flow inlet and flow outlet controllers 532, 542 so as to provide high fluid level and low fluid level shut off capabilities. For example, during a fill cycle, the inlet flow controller 532 may be configured to close the inlet flow control valve 536 when the high level sensor 560 detects that the force transfer element 90 has come into contact or otherwise activated the high level switch 562. At that time or alternatively, the high level sensor may activate the visual and/or audible high level alarm 564. Likewise, the outlet flow control unit 542 may be configured to close the flow outlet valve 546 when the vessel is in operation and the force transfer device 90 contacts or otherwise activates the low level switch 572. The low level system 570 may be configured to send a signal to the flow outlet controller and/or activate the alarm 574. In addition, a volume or level sensor 550 may be configured with an output 552 that may be integrated into the flow control systems for feed forward, feed back, shut off or other functions to be integrated into the flow controllers.
Referring now to
As shown in
Referring now to
The integrated material control system 110 may be further configured with a fluid control valve 720 associated with the fluid inlet and outlet manifold 140. The computer controller 710 may be associated with the base and pedestal 170 of the vessel 120, or may be located remotely and operably connected to the instrumentation and control devices. Piping or conduits from the outlet of the fluid vessel 120 may be connected to the pumping system 730 and/or application system 740 by a variety of mechanisms. For example, the pipes or conduits 145 from the fluid vessel may be connected via a manifold 732 or directly to one or more pumps 734. Instrumentation such as from a pressure and/or flow sensor 736 may be fed back to the control system 710. Similarly, the control system may be connected to pump motor drive or controller 738 to operate the pumping mechanisms. Additional pipes or conduits 147 may provide fluid communication between the pumping system 730 and the application system 740. As shown in
Such integrated material transfer systems may be used for providing oils, greases, mastics, sealants, elastomers and other materials such as liquid sound deadeners. Such materials may include, but are not limited to, thick fluids, viscous fluids, semi-solid fluids, visco-elastic products, pastes, gels and other fluid materials that are not easy to dispense. The fluid pumping system may include booster pumps in series or in parallel for the manifold. In addition, the applicator may include its own booster pumps or other drive mechanisms in addition to the pumping system 730. The applicator system may further include metering devices and local control devices that contain instrumentation that may be integrated into the computer control system 710 of the present invention.
Referring now to
The general system components (
(1) Skid, for supporting the system;
(2) Refillable and/or automated material transfer subsystems;
(3) Piping, for filling, pressurizing, and delivering thick fluid or other materials from the material transfer subsystems;
(4) PLC with touch screen, for controlling the system and data logging;
(5) Scales or sets of load cells, for measuring the material transfer subsystems and material weights;
(6) Other instrumentation and controls; and
(7) Cabinet, for enclosing the entire system for protection and aesthetics.
The automated material transfer station of the present invention is the first known material transfer system to be configured with a cabinet (climate controlled housing) and package process controls (
For one embodiment of the automated material transfer station (
Referring now to
In the control section 1010 of the automated material transfer station 1000, it is contemplated that the control section will be divided into several compartments 1060, 1070 with shelving or other partitions 1065, 1075. Similarly, the material transfer section may be configured with a single compartment 1050, or may be divided into sub-compartments as appropriate. It is expected that a heating, ventilating and air conditioning (HVAC) system will be supplied to the automated material transfer station such that the control section may be cooled, heated or otherwise air-conditioned separately from the material transfer section. An insulated dividing wall 1080 may be constructed between the two sections so as to isolate the two temperature sections. Not shown in
Referring to the control section 1010 of the automated material transfer station 1000, a first compartment 1060 may be configured to house a microprocessor 310 and multiple programmer logic controllers 512, 522, 532 and 552. These PLCs may be electronically or otherwise connected to the microprocessor via a control conduit 1310 or other suitable hardwired or wireless connections. The PLCs may be connected by multiple conduits, cabling, wireless connections 1330 to the instrumentation and other devices associated with the material transfer subsystems 10, 110, as shown in
Further, the microprocessor 310 may be connected to an analog-to-digital (A/D) and/or digital-to-analog system 360. The A/D system may be connected to an outside conduit 1120 for receipt of signals from material transfer devices in same station, other stations or external devices such as pumps, spray devices and robots (see
The material transfer section 1020 of the automated material transfer station 1000 includes one or more refillable (intelligent, automated) material transfer subsystems 110 having vessels 120, lid lifting mechanisms 130, main bodies 150, fluid manifolds 140 and gas inlets 160. Although not fully described regarding this embodiment, the other features of the refillable material transfer systems described herein and incorporated by reference are applicable to this embodiment. The automated material transfer station may include outside couplings for gas inlet and outlet 1210, fluid inlet 1220, fluid outlet 1230 and other connections as appropriate. Instrumentation, such as pressure and temperature sensors, may be connected directly to the control system section or may be connected to an outside coupling 1125. Such a coupling may allow input and output data from other automated stations and remote devices within a manufacturing plant or other facility, for example, control systems for pumps, spray devices and robotics. Similarly, instrumentation signals coming from the material transfer section 1020 through the outside electric connection 1125 may be connected directly into the input electrical connection 1120 to the A/D device 360, which in turn may connect to the microprocessor 310 and logic controllers 512-552. Instrumentation and control devices located within the material transfer section 1020 and vessel compartment 1050 may be connected directly to the outputs from the logic controllers via cabling 1330 or other suitable systems, such as wireless connections (for example, radio frequency and microwave signals).
When at least one material transfer subsystem 110 is included in the material transfer section 1020 of the automated material transfer station 1000, the material vessels 120 may be configured such that one system is filling as another system is emptying (
The vessel (container) 20, 120, force transfer device 90, and/or other items in contact with the material may be equipped with a lining (not shown). The materials of construction suitable for the lining may include, but are not limited to, alloys, composites, elastomers, metals, plastics, polymers, rubbers, wood fiber and other natural and synthetic materials. The forms of the lining may include, but are not limited to, attached (form-fitted) and independent (stand-alone); flexible and rigid; and applied and pre-formed. The functions of the lining may include:
(1) Protecting the underlying items from corrosion and/or erosion (a “liner”);
(2) Providing a designated “wearing” component that may be replaced, based on cleaning and/or wear;
(3) Providing a surface in contact with the material that is smoother than the underlying surface;
(4) Providing a component impregnated with a release agent to improve material transfer and/or cleaning;
(5) Providing a component impregnated with an antimicrobial material to decrease microbial growth; and
(6) Providing a designated component for electrical and/or thermal conductance and/or resistance (resistance heating and/or heat insulation).
For the ten stages (A to J) represented in
Referring to
Fluids: liquids such as fuels (diesel, gasoline), oils (lubricating, vegetable)
Container size: small (25 gallon)
Container mobility: fixed and non-portable
Container internals: non-existent
System sophistication: primitive
System configuration: single container for each fluid
System functionalities: storage and transfer fluid to a container or vehicle
System automation and intelligence: none
Referring to
Fluids: new and recyclable liquids such as new and used lubricating oils
Container size: small (25 gallon)
Container mobility: portable
Container internals: non-existent
System sophistication: more sophisticated
System configuration: dual containers one for new fluid one for used fluid
System functionalities: storage, transfer fluid to and from vehicles
System automation and intelligence: none
Referring to
Fluids: semi-solids such as lubricating greases
Container size: bulk size (600 gallon)
Container mobility: transportable
Container internals: fairly sophisticated follower device
System sophistication: more sophisticated
System configuration: single large containers transported to user's site
System functionalities: storage and normally transfer to a grease pump
System automation and intelligence: none
Referring to
Fluids: semi-solids such as lubricating greases
Container sizes: bulk size (600 gallon) and multiple small (25 gallon)
Container mobility: transportable bulk and stationary or portable small
Container internals: fairly sophisticated follower device
System sophistication: still more sophisticated
System configuration: large containers transported to and from the user's site to oil refiners and multiple small containers at the user's site
System functionalities: bulk storage and transfer to small containers; small container storage and transfer to grease pumps
System automation and intelligence: none
Referring to
Fluids: semi-solids such as Adhesive Sealants and Mastics (ASM) and/or liquids
Container sizes: intermediate bulk size (300 gallon)
Container mobility: transportable intermediate bulk
Container internals: more sophisticated follower device for semi-solids
System sophistication: still more sophisticated
System configuration: large containers transported to and from the user's site to fluid providers
System functionalities: bulk storage and transfer to ASM pump
System automation and intelligence: none
Referring to
Fluids: semi-solids such as Adhesive Sealants and Mastics (ASM) and/or liquids
Container sizes: intermediate bulk size (300 gallon) and two small (25 gallon)
Container mobility: transportable intermediate bulk and stationary small
Container internals: more sophisticated follower device
System sophistication: still more sophisticated
System configuration: large containers transported to and from the user's site to fluid providers and multiple two containers at the user's site
System functionalities: intermediate bulk storage and transfer to small containers;
Small container storage and transfer to ASM pumps
System automation and intelligence: some automation and nominal intelligence
Referring to
Fluids: semi-solids such as Adhesive Sealants and Mastics (ASM) and/or liquids
Container sizes: intermediate bulk size (300 gallon) and two small (25 gallon)
Container mobility: transportable intermediate bulk and stationary small
Container internals: more sophisticated follower device
System sophistication: still more sophisticated
System configuration: large containers transported to and from the user's site to fluid providers and multiple two containers at the user's site. Small containers in environmentally controlled cabinet
System functionalities: intermediate bulk storage and transfer to small containers;
Small container storage and transfer to ASM pumps
System automation and intelligence: some automation and nominal intelligence
Referring to
Fluids: semi-solids such as Adhesive Sealants and Mastics (ASM) and/or liquids
Container sizes: transportable bulk (600 gallon) bulk and intermediate bulk size (300 gallon)
Container mobility: transportable bulk and stationary, cleanable intermediate bulk
Container internals: still more sophisticated follower device
System sophistication: still more sophisticated
System configuration: transportable bulk is trailer to tractor to and from the user's site to fluid providers and multiple intermediate bulk containers at the user's site, in environmentally controlled cabinet
System functionalities: bulk storage and transfer to intermediate bulk containers;
Intermediate bulk containers storage and transfer to ASM pumps
System automation and intelligence: significant automation and increased intelligence
Referring to
Fluids: semi-solids such as Adhesive Sealants and Mastics (ASM) and/or liquids
Container sizes: transportable bulk (600 gallon) bulk and intermediate bulk size (300 gallon)
Container mobility: transportable bulk and stationary, cleanable intermediate bulk
Container internals: still more sophisticated follower device
System sophistication: pumpless, simple and smart
System configuration: transportable bulk is trailer to tractor to and from the user's site to fluid providers and multiple intermediate bulk containers at the user's site, in environmentally controlled cabinet
System functionalities: bulk storage and transfer to intermediate bulk containers; intermediate bulk containers storage and configured to transfer ASM directly to the point of applications
System automation and intelligence: more significant automation and increased Intelligence
Referring to
As further shown in the drawings for purposes of illustration, the present invention also is directed to a pumpless material dispensing system for dispensing various materials, including, but not limited to, LASD, oils, greases, mastics, sealants, elastomers and other types of fluids. The system includes an automated material transfer system utilizing a material containment vessel having an upper region incorporating a motive force, and a bottom region with a material ingress and egress opening. A diconical or other shaped, level-instrumented force transfer device may be located in the material containment area. The present invention further includes incorporating a data acquisition system into known and yet to be developed refillable material transfer system technology. The automated material transfer system is further configured to interface with a metering device system and/or a robotic material dispenser system.
The high levels of automation and communication of the present invention were previously unavailable with commercial refillable material transfer system technology. The control system and its components are preferably small and light, including miniature electronic components, relative to the refillable material transfer system, to be portable. The control system components preferably have a low cost and low energy consumption, including miniature electronic components, to be practical. Currently available devices may perform the various functions of the control system. The high levels of automation and communication for the control system of the present invention convert the refillable material vessel into a fully automated portable system.
Referring now to
The automated material transfer system 110 may be configured with a pressure sensor 230 that may be connected as an input to the process controller 710. The process controller may include an output control signal 1780 for regulating a flow control valve 780 interposed between the material vessel 120 and a pressurized gas (or other fluid) input conduit (pipe, line) 790. The automated material transfer system further includes an inlet conduit (pipe, line) 148 and an outlet conduit (pipe, line) 146. The outlet manifold 140 is in fluid communication with a material transfer conduit (pipe, line) 145 having instrumentation, such as a flow sensor 740 and a pressure sensor 745, operably connected to the process controller, which regulates the material outlet control valve 720. The material transfer conduit 145 is in fluid communication with a material transfer manifold (conduit, pipe, line) 750 that is in fluid communication with the metering device system 800.
The metering device system 800 includes a metering device 810, for example, a shotmeter, a mastic regulator, or other suitable other flow element, such as a differential pressure device (orifice, venturi), a displacement device (gear, piston), a magnetic device (“mag meter”), an ultrasonic device (Doppler), a mass based device (Coriolis, MICRO MOTION), or a device configured for solids (progressive cavity, screw). Additional examples of metering devices suitable for use with the pumpless material dispensing system 2000 of the present invention are shown in
Referring now to
Referring again to
A robot controller 1000 controls the position, orientation and speed of movement of the robot arm 910 and all of its elements by one ore more control signals 1900 to the robotic material dispenser system 900. The elements of the robot move with respect to each other and the base end 915 of the robot. The robot controller controls the position and speed of the robot and material applicator 930. In accordance with the present invention, the robot controller also receives input signals and generates output signals to operate the metering device system 800. A material transfer conduit (pipe, line) 950 that is in fluid communication with the material transfer conduit 850 from the metering device system 800 and that is connected to material applicator may include instrumentation, such as a flow sensor 940 and a pressure sensor 945, operably connected to the robot controller.
More specifically, the robot controller 1000 controls the volume of the material 975 being applied to the part 960 by the material dispenser 930. The robot controller may monitor and control the operation of the metering device through a control signal 1800 to the metering device system 800, for example, controlling the position of a piston in a shotmeter. The robot controller may be configured to control the charging and discharging of the material 975 by controlling air valves, pressure regulators, inlet valves and outlet valves (not shown). The robot controller is also linked 1700 to the computer processing system 710 of the control system 700 and the various instrumentation of the automated material transfer system 110 so as to allow feedback and feed forward control of the pressure in the material vessel 120 and the flow and pressure of the material in the conduits 145, 750, 850 and 950 of the pumpless material dispensing system. An alternative embodiment of a metering device system 800 and a robotic material dispenser system 900 having a double acting shotmeter unit and robotic servo control unit is shown in
As shown in
As shown in
Referring to
A separate sample valve 2200 may also be configured on the lower portion 2010 and/or upper portion 2030 of the body 2020 of the material vessel 2000. The sample valve may be configured as any suitable mechanism as is known to those of ordinary skill in the art, such as a two piece flange, wherein the first inner portion (piece) is secured to the body of the vessel and a second inner portion (piece) may be removably secured to the first piece via bolts, nuts or other suitable mechanism. The sample valve may include a spigot (port) 2250 having a handle and outlet (opening) for allowing the user to remove a quantity of material from the vessel. The spigot outlet may be further threaded or otherwise configured for connecting to a hose or other conduit.
The upper portion 2030 of the vessel 2000 may be configured with one or more site windows (viewing ports) 2300 for observing material and the internal components within the vessel. For example, a first sight window may be used for providing a light source into the vessel so that the internals of the vessel may be viewed through a second window. Similarly, a camera or other mechanism may be used to record changes in the material within the vessel through one of the view ports and may contain its own light source. Alternatively, the viewing ports may be configured with a fixed or removable, still or video camera system for observing and recording the material and internal components of the vessel.
The upper portion 2030 of the refillable material vessel 2000 may further include a valve or other entry port 2400 for spraying or otherwise introducing a biocide or other agent into the material vessel before or after it is filled with its primary material, such as LASD. The biocide valve may be configured as any suitable mechanism as is known to those of ordinary skill in the art. The top portion of the vessel may further include one or more valves or ports 2500 for introducing and releasing pressurizing air or inert gas, as may be required for the fluid or material to be transferred into and out of the vessel. The gas valve may include quick disconnects for compressed air, nitrogen or other pressurized gas source.
As further shown in
The refillable material vessel 2000 may be configured with specific features for application wherein the material to be transferred into and out of the vessel is a liquid applied sound deadener (LASD). Such features include a closed fluid containment formed from a basic material of construction of mild steel rated for at least seventy-five (75) psig, quick disconnect valves for entry and exit of the LASD, and quick disconnect valves for compressed air or other gas. The refillable material vessel may also include a service valve with an air chuck, a forklift base near the bottom portion 2010 of the vessel, mechanical protections and internal surface coatings. The vessel may include an internal follower device (boat) having an annulus device that is variable in diameter, or may be configured such that the follower device is adaptable for various annulus devices to create different spaces or gaps between the follower device and the internal walls of the vessel. The vessel may be further configured with an access port (not shown) for changing the annulus on the follower device (boat).
As shown in
The refillable material vessel 2000 of the present invention may further be configured so that one vessel is stackable upon another vessel. An LED or other light source may be configured under the top portion 2030 of the vessel for illuminating the internal portion of the vessel for viewing through a site window 2300. Other suitable materials of construction for the vessel include stainless steel, plastic, composites and aluminum. The follower plate may further be configured for adapting to a wiper system for cleaning the inside walls of the vessel.
The refillable material vessel 2000 may be further configured with valves, conduits and pipes as shown in
As shown in
As shown in
Referring to
The upper portion 3030 of the vessel 3000 may be configured with one or more site windows (viewing ports) 3300 for observing material and the internal components within the vessel. For example, a first sight window may be used for providing a light source into the vessel so that the internals of the vessel may be viewed through a second glass or polycarbonate window. Alternatively, a light source may be introduced through another port 3500 configured in the upper portion of the vessel. An LED or other light source may be configured under the top portion of the vessel for illuminating the internal portion of the vessel. A camera or other mechanism may be used to record changes in the material within the vessel through one of the view ports, and may contain its own light source. Alternatively, the viewing ports may be configured with a fixed or removable, still or video camera system for observing and recording the material and internal components of the vessel.
The 3300 sight window may also have the following functions:
In addition, the 3300 sight window may be hinged, or the following additional functions otherwise provided for, for:
The upper portion 3030 of the refillable material vessel 3000 may further include a valve or other entry port 3500 for spraying or otherwise introducing a biocide or other agent into the material vessel before or after it is filled with its primary material, such as LASD. The biocide valve may be configured as any suitable mechanism as is known to those of ordinary skill in the art. The top portion of the vessel may further include one or more valves or ports 3410, 3420 for introducing and releasing pressurizing air or inert gas, as may be required for the fluid or material to be transferred into and out of the vessel. The gas valve may include quick disconnects for compressed air, nitrogen or other pressurized gas source.
As shown in
As further shown in
The bottom portion 4010 of the force transfer device 4000 may include fixed or removable ballast or a weight device 4100 secured to the bottom portion. Such a weight mechanism may further include one or more notches 4120 (for example, four notches) to allow drainage of fluid through the body of the force transfer device to a drainage plug 4200. A lifting ring 4300 may also be secured to the weight 4100 or wall 4060 of the force transfer device so that it may be lifted up from the bottom of the vessel to the top portion of the vessel during cleaning.
The force transfer device 4000 further includes a removable annular management device 4500 and one or more stabilizing fins 4600 located along the central perimeter of the middle portion 4020 of the transfer device. As shown in
The replaceable annular management device 4600 may be secured to the body 4020 of the force transfer device 4000 by a plurality of screws, bolts or other mechanisms to allow the removable annular management device to be serviced (for example, replaced with one having a different diameter). As shown in
The refillable material vessel 3000 of the present invention may further include a data logger that may be configured with various features as heretofore described regarding
While particular forms of the present invention have been illustrated and described, it will also be apparent to those skilled in the art that various modifications can be made without departing from the spirit and scope of the invention. Accordingly, it is not intended that the invention be limited by the specific embodiments disclosed herein.
This application is a continuation application of U.S. application Ser. No. 11/584,932, filed Oct. 21, 2006, which claims the benefit of U.S. Provisional Patent Application Ser. No. 60/729,321, filed Oct. 21, 2005, U.S. Provisional Patent Application Ser. No. 60/729,405, filed Oct. 21, 2005, U.S. Provisional Patent Application Ser. No. 60/757,360, filed Jan. 9, 2006, and U.S. Provisional Patent Application Ser. No. 60/841,111, filed Aug. 29, 2006, the contents of which are each hereby incorporated herein by reference. The contents of U.S. Provisional Patent Application Ser. No. 60/558,691, filed Mar. 31, 2004; U.S. Pat. No. 7,997,445; and U.S. Pat. No. 5,435,468 are each hereby incorporated herein by reference.
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| Number | Date | Country | |
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| 20140166693 A1 | Jun 2014 | US |
| Number | Date | Country | |
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| Number | Date | Country | |
|---|---|---|---|
| Parent | 11584932 | Oct 2006 | US |
| Child | 14020177 | US |
