Fluids applied in an aerosolized form are a vital component in many industries, such as painting, automotive servicing, liquid-application fertilizer, pest control, and the like. Some conventional solutions as include storing fluids in pre-pressurized cans. This can suffer from various disadvantages, such as storage logistics, non-usability based on damage to the can or nozzle, limited recyclability, and the like.
The present systems and methods for a sprayer assembly are described in detail below with reference to these figures.
This detailed description is related to a sprayer assembly that can be connected to a variety of different types of pressurized air sources for spraying a fluid. In addition, the sprayer assembly is configured to work with a variety of different types of pre-filled, fluid containers for holding the fluid to be sprayed. For example, the sprayer assembly can include a sprayer-head assembly that removably and sealingly connects to a canister. In at least some examples, the fluid container can be positioned inside the canister and the sprayer-head assembly can be sealingly connected to the canister (e.g., with the fluid container enclosed within). In addition, the sprayer-head assembly can be connected to various types of pressurized air sources (e.g., shop air in an automotive servicing facility or an air compressor), such that when a trigger of the sprayer-head assembly is actuated (e.g., pressed), the sprayer-head assembly can dispense the fluid from the container (e.g., spray the fluid in an aerosolized form).
In contrast to the present disclosure, some conventional solutions can include storing fluid in pressurized canisters (e.g., pressurized aerosol cans that do not rely on an external source of pressurized air). However, pressurized canisters can require additional initial processing (e.g., to pressurize and seal the canister) and can be require various storage logistics (e.g., to protect the canisters). In addition, damage to the pressurized canisters can render the produce unusable and/or can cause damage to surrounding people and products. Furthermore, pressurized canisters can be challenging to recycle, based on challenges associated with cleaning out the fluid, the combination of various types of materials, and the like. However, examples associated with the present disclosure allow for fluid containers to be stored in a non-pressurized state and simply placed into the canister associated with the subject sprayer assembly. In addition, after use, the fluid container can be easily rinsed and reused or recycled, while the sprayer assembly can be reused with subsequent fluid containers.
In at least some examples, the sprayer assembly can be used in various contexts and industries that are related to dispersing various types of chemicals or solutions, such as paints, cleaning solutions, fertilizer, pesticide, etc. In an automotive servicing context, the tool can be used to apply an aerosolized liquid to various vehicle components (e.g., brakes, engine components, fluid lines, etc.).
In some examples, the sprayer assembly includes the sprayer-head assembly and the canister. In addition, a pre-filled, non-pressurized fluid container can be placed into the canister (e.g., through a top opening), and the sprayer-head assembly can then be attached to the top of the canister. The sprayer-head assembly can be affixed to, or removed from, the top of the canister in various manners. For instance, the sprayer-head assembly can threadably attach or screw onto the top of the canister. In one example, internal pegs inside the top of the sprayer-head assembly can mate into an external groove or channel on the outside of the canister to help in locking and sealing the sprayer-head assembly to the canister. In some examples, the channel can have two (or more) resting positions: engaged and neutral. The neutral area can be a safety feature that keeps the canister connected to the top but does not allow it to seal or charge. The engagement area is indicated by an audible “click” so the user knows that tool can now be used properly. The channel design can impede canister removal until pressure has been released.
As indicted, with the sprayer-head assembly removed, the fluid container can be placed into the canister. In examples, a bottom of the canister can include a biasing feature that biases the fluid container “upward” or towards the top opening of the canister. As such, when the sprayer-head assembly is attached to the canister, the fluid container can be pressed into a sealing member of the sprayer-head assembly. For example, the biasing feature can include a convex surface that engages a bottom of the fluid container. As such, a rim (or other top edge) of the fluid container can be pressed into the sprayer-head assembly to reduce the likelihood of over-spilling (e.g., when the system is pressurized).
In examples, the sprayer-head assembly can include a fitting for attaching to an air source (e.g., a quick release fitting for connecting to an air hose). The fitting can connect, in the sprayer-head assembly, to a fluid channel that carries pressurized air to the canister and/or the fluid container enclosed in the canister. For example, the sprayer-head assembly can include a handle, which can include the fitting, such that the channel travels through the handle to the canister and/or fluid container. Furthermore, in at least some examples, the channel can be associated with a pressure regulator (e.g., internal within the sprayer-head assembly), which can control the allowable pressure level of the contents to ensure that the device operates the same even with a variety of input pressures. In some instances, the regulator can be adjusted prior to assembly to meet the requirements of the type of fluid that a tool will be used for.
In at least some examples, the sprayer-head assembly can include a check valve that can maintain the pressure in the system, even after the air source has been disconnected (e.g., if the fitting is disconnected from the air hose). As such, the sprayer assembly can be pressurized, disconnected from the pressurized air source, and then remotely used to disperse the fluid. Furthermore, the sprayer-head assembly can include a pressure relief valve that allows the sprayer assembly to be depressurized (e.g., for storage or after use).
In some examples, the sprayer-head assembly is configured to be used with a standard aerosol valve assembly (e.g., 1″ valve assembly). That is, the sprayer-head assembly can include an aerosol valve compartment that is accessible by a removable flange. The removable flange can be removed (e.g., by removing fastener hardware such as a series of bolts) to access the aerosol valve compartment, such as to insert or replace a valve assembly. As such, examples of the present disclosure allow for the sprayer assembly to be easily maintained by simply removing a used aerosol valve assembly (e.g., where the used valve assembly might be worn, clogged, damaged, etc.) and replacing it with a new aerosol valve assembly. Furthermore, the universality of the sprayer assembly with respect to various valve assemblies allows for the valve assembly to be changed based on the fluid to be dispersed.
In at least some examples, the sprayer-head assembly can include a trigger lever that engages the actuator cap of the aerosol valve assembly. For example, the trigger lever can include a size that allows for the trigger lever to be easily operated while the operator grips the handle.
The sprayer assembly can include various features. For example, the sprayer assembly can be implemented with off-the-shelf, pre-filled, non-pressurized fluid containers. As such, an operator might not need to handle or pour any fluids which reduces potential hazards from contact and spills. The lack of propellants in the packaging can also allow the fluid to sit on shelves longer and transport better.
In some examples, the industrial air coupling, integrated check valve, and regulator allows the device to spray product both while connected to a pressurized air hose or disconnected using the built-up internal air pressure. The regulator can be adjusted to vary the output performance of the fluid in relation to the type of actuator used.
Various examples are described below with reference to the drawings, and the relationship and functioning of the various elements of the examples can better be understood by reference to the following detailed description. However, examples associated with the present invention are not limited to those illustrated in the drawings or explicitly described below. It also should be understood that the drawings are not necessarily to scale, and in certain instances details may have been omitted that are not necessary for an understanding of examples disclosed herein, such as conventional assembly.
For example, referring to
The sprayer assembly 10 can include various other elements. For instance, the sprayer-head assembly 12 can be affixed to, or removed from, the canister 14 in various manners. In some examples, the sprayer-head assembly 12 can threadably attach or screw onto the top of the canister 14. For example, the sprayer-head assembly 12 and the canister 14 can include threads (e.g., external and internal) that mate to connect the parts. In at least one example, the sprayer-head assembly can include the lid 13 associated with a cavity 22 configured to receive at least a portion of an upper rim 24 of the canister 14, and the cavity 22 can include a peripheral wall 26 enclosing the sides of the cavity 22. In addition, the peripheral wall 26 can include an internal protuberance 28 (e.g., peg or post) that projects inwardly from the peripheral wall 26 and into the cavity 22. In at least some examples, the internal protuberance 28 is configured to mate with a corresponding element associated with the canister 14. For example, the canister 14 can include an external channel 30 (e.g., channel in the outward oriented face of the canister 14) that is configured to receive the internal protuberance 28 when the upper rim 24 of the canister 14 is engaged with the cavity 22. The sprayer assembly 10 can include one or more sets of mating protuberances and channels. For instance, in accordance with one example, the figures depict three sets of protuberances and channels that can mate with one another. The sprayer assembly 10 can, in some examples, include few than, or more than, three sets. In the sprayer assembly 10, the protuberance 28 can mate with the canister 14, and in some examples, the protuberance 28 can mate with a groove or channel on a container of fluid (e.g., a coupling mechanism that projects inwardly towards the cavity and is configured to selectively engage the container of fluid, the canister for holding the container of fluid, or any combination thereof.)
The channel 30 can include various elements configured to engage with the internal protuberance 28 at different positions as the internal protuberance 28 is traversed along the channel 20 (e.g., as the sprayer-head assembly 12 and the canister 14 are rotated relative to on another with the mount 24 engaged within the cavity 22). In addition, to help illustrate there various elements, reference view 2A is provided showing the internal protuberance 28 at different positions with respect to the channel 30. For example, the channel 30 can include a mouth 32 or opening configured (e.g., having a width or size) to receive the internal protuberance 28, and the mouth 32 can transition to one or more ramp interfaces 34 and 36. That is, as the internal protuberance 28 enters the channel 30 through the mouth 32 and continues along the channel 30 (e.g., when the parts are rotated), the ramp interfaces 34 and 36 can pull the canister 14 further into the cavity 22 of the sprayer-head assembly 12 to a position. In at least some examples, the ramp interfaces 34 and 36 can transition to one or more channel recesses 36 and 38 configured to retain the internal protuberance 28 in association with a position. For example, as the sprayer-head assembly 12 is rotated relative to the canister 14 (e.g., clockwise in
In at least some examples, the first channel recess 38 and the second channel recess 40 can be associated with different relative degrees of connection or seal between the sprayer-head assembly 12 and the canister 14. For example, when the internal protuberance 28 is retained in the first channel recess 38, the canister 14 can be coupled to the sprayer-head assembly (e.g., in the sense that the canister 14 could freely hang from the sprayer-head assembly 12, while remaining connected to the sprayer-head assembly), but the sprayer assembly 10 might not be configured to contain pressurized air if introduced into the system. In some example, the first channel recess 38 can be associated with a neutral or safety feature, which can keep the canister 14 connected to the sprayer-head assembly, but does not allow the sprayer assembly 10 to seal or charge. When the internal protuberance 28 is retained in the second channel recess 40, the upper rim 24 of the canister 14 can be pulled into a more tightly sealed connection within the cavity 22. For example, an annular seal 42 within the cavity 22 can seal against the upper rim 24 of the canister 14 and/or the cavity 22 can include a O-ring, gasket, or other component for sealing against the upper rim 24. In some examples, based at least partially on the shape of the second channel recess 40 (e.g., a small edge 44 that extends into the channel 30), the internal protuberance 28 can audibly “click” when rotated into an engaged position within the second channel recess 40, and the audible click can notify the user when the sprayer assembly 10 is sealed and configured to be charged. In at least some examples, the edge 44 can also impede disengagement between the canister 14 and the sprayer-head assembly 12, until pressure within the system has been released.
As indicted, with the sprayer-head assembly 12 removed, the fluid container 16 can be placed into the canister 14. In examples, and referring to
In examples, the sprayer-head assembly 12 can include a fitting 18 for attaching to an air source (e.g., a quick release fitting for push connecting to an air hose). The fitting 18 or coupling can connect to a fluid channel 54 or fluid conduit that carries pressurized air to various parts of the sprayer assembly 10. For example, the fitting 18 can be couple to a portion of the handle 15 (e.g., the end of the handle 15), and the fluid channel 54 can extend through the handle 56 and towards the cavity 22. In at least one example, the sprayer-head assembly 12 can include the stem 17 that connects the handle 15 to the lid 13, and the fluid channel 54 can extend through the stem 17. In at least some examples, the sprayer-head assembly 12 can include various other components within the fluid channel 54 (e.g., within the path of the pressurized air as it passes from the fitting 18 to the cavity 22). For instance, in at least some examples, the channel 54 can be associated with a pressure regulator 58 (e.g., internal within the stem 17 or within another part of the sprayer-head assembly 12), which can control the allowable pressure level of the contents to ensure that the device operates the same even with a variety of input pressures. In some instances, the regulator 58 can be adjusted prior to assembly to meet the requirements of the type of fluid that a tool will be used for. In at least some examples, the sprayer-head assembly 12 can include a check valve 60 that can maintain the pressure in the sprayer assembly 10, even after the air source has been disconnected (e.g., if the fitting is disconnected from the air hose). For example, the check valve 60 can be positioned in the channel 54 and after the pressure regulator 58. In some examples, the check valve can be positioned in other parts of the assembly and/or before the pressure regulator 58. As such, the sprayer assembly can be pressurized, disconnected from the pressurized air source, and then remotely used to disperse the fluid. Furthermore, the sprayer-head assembly can include a pressure relief valve that allows the sprayer assembly to be depressurized (e.g., for storage or after use).
Referring to
In some examples, the sprayer-head assembly 12 is configured to be used with an aerosol valve assembly 62 (e.g., 1″ valve assembly), which can include a fluid update tube 63, a nozzle valve 65 (e.g.
The trigger 20 can include various features. For example, as explained, the trigger 20, when pressed downward can actuate the aerosol valve assembly 62. That is, the trigger 20 can include a rubber pad 76 (or similar element) that engages nozzle head 67 of the aerosol valve assembly 62. In some examples, the trigger 20 can include a size (e.g., length) that allows for the trigger 20 to operate as a lever, which can be easily operated while the operator grips the handle 15. For example, a distance 80 between the connection 64 and the middle of the nozzle head 65 can be shorter than a distance 82 from the center of the nozzle head 65 to a distal end 84 of the trigger 20. In some examples, the distance 82 can be twice the distance 80. The trigger 20 can include other elements as well. For example, the trigger 20 can include a can opener 86, which can allow for easy opening of pre-filled fluid containers, such as the fluid container 16.
In examples, the sprayer assembly 10 can include other elements as well. For example, a pressure relief valve 88 can be arranged in one or more various locations, and in one example, at least a part of the pressure relief valve 88 extends through the flange 70 and is in communication with the cavity 22. As such, by opening or closing the valve 88 (e.g., by rotating) pressure can be maintained/sealed or released from the cavity 22.
The sprayer assembly 10 can be constructed of various materials, and in some examples, the canister 14 and at least some parts of the sprayer-head assembly 12 are metal (e.g., aluminum). As such, the sprayer assembly 10 can be robust and withstand harsh environments, drops, etc.
Examples associated with the present disclosure allow for fluid containers to be stored in a non-pressurized state and simply placed into the canister associated with the subject sprayer assembly. In addition, after use, the fluid container can be easily rinsed and reused or recycled, while the sprayer assembly can be reused with subsequent fluid containers. In at least some examples, the sprayer assembly can be used in various contexts and industries that are related to dispersing various types of chemicals or solutions, such as paints, cleaning solutions, fertilizer, pesticide, etc. In an automotive servicing context, the tool can be used to apply an aerosolized liquid to various vehicle components (e.g., brakes, engine components, fluid lines, etc.).
In some examples, referring to
The sprayer-head assembly can include a lid 613 with an internal cavity 622 for receiving the fluid container 616. In examples, the lid 613 can include a side wall 624 that defines a width of an insertion opening 621 through which the container 616 can pass when being inserted into the cavity 622. In examples, a size of the opening 621 can be adjusted between a larger size and a smaller size. For example, the opening 621 can be adjusted to a larger size when the container 616 is inserted, and the opening can be adjusted to a smaller size when the container 616 is positioned within the cavity 622, to allow the side wall 624 (or parts associated with the side wall 624) to clamp onto the container 616. In some examples, the side wall 624 can include an external retaining ring 625 that can rotate relative to (e.g., circumferentially around) the side wall 624. For example, the retaining ring can be rotated to a higher position to increase the opening 621 and can be rotated to a lower position to decrease the opening. In some examples, the opening 621, the side wall 624, and the retaining ring 625 can be operationally associated with gripping latches 627 (e.g., inwardly projecting protrusions or teeth) that are moved out of the way of the opening 621 when the retaining ring 625 is rotated to an up position (e.g., so as not to obstruct the opening), and that can clamp onto the container 616 when the retaining ring is rotated to a lower position. As shown in
In some example, the lid 613 can include an internal shoulder 650 that abuts the top rim 651 when the container 616 is fully inserted. In addition, the lid 613 can include a sealing O-ring 642 that creates an airtight seal with the side of the container's cap 623. Once the container rim 651 has been fully seated against the device shoulder 650, the retaining ring 625 can be spun clockwise down its threads to lock the container 616 in place. In addition, the movement of the retaining ring 625 pushes the laches 627 inward and under the can's top rim. In some examples, catch points 629 on the back of the teeth interfere with the ring 625 when it is at its lowest point to indicate that the device is securely installed. The sprayer-head assembly can be easily transferred or reconfigured to work with many standard industrial fluid containers without concern or working around threading, nozzles, or popped tops. In examples, the latches 627 are spring loading to remain in the open position when not closed by the ring 625. In addition, the design of the latches 627 can create a negligible moment on the rim when under force. In some instances, based on this feature, if the container is under high pressure and the ring is opened, then teeth will remain attached until the internal pressure is reduced to a safe level.
The sprayer assembly 610 can include various other parts, similar to the sprayer assembly 10, such as a quick release air fitting 618 in the handle 615 that can be connected to air hoses to allow the container 616 and its contents to be pressurized. A bored air channel 655 in the handle 615, stem 617, and lid 613 can carry the pressurized air into the container 616. A check valve 660 can be positioned in the stem 617, as well as an internal pressure regulator 658 that controls the allowable pressure level of the contents to ensure that the device operates the same even with a variety of input pressures. In at least some examples, an aerosol valve assembly 662 is crimped onto the top of the lid 613 and includes a fluid intake tube of the appropriate length to reach to the bottom of the respective container. In examples, the sprayer assembly 610 can be used with off-the-shelf, pre-filled, non-pressurized fluid containers. As such, a user doesn't need to handle or pour any fluids which reduces potential hazards from contact and spills. The lack of propellants in the packaging also allows the fluid to sit on shelves longer and transport better. In addition, the air coupling, integrated check valve, and regulator can allow the device to spray product both while connected to a pressurized air hose or disconnected using the built-up internal air pressure. The regulator can be adjusted to vary the output performance of the fluid in relation to the type of actuator used.
This detailed description is provided in order to meet statutory requirements. However, this description is not intended to limit the scope of the invention described herein. Rather, the claimed subject matter may be embodied in different ways, to include different steps, different combinations of steps, different elements, and/or different combinations of elements, similar or equivalent to those described in this disclosure, and in conjunction with other present or future technologies. The examples herein are intended in all respects to be illustrative rather than restrictive. In this sense, alternative examples or implementations can become apparent to those of ordinary skill in the art to which the present subject matter pertains without departing from the scope hereof.
This application is a divisional of U.S. application Ser. No. 17/983,803 (filed Nov. 9, 2022), which claims the benefit of U.S. Provisional Application No. 63/277,504 (filed on Nov. 9, 2021) and U.S. Provisional Application No. 63/339,271 (filed May 6, 2022). Each of the aforementioned applications is incorporated herein by reference in its entirety.
Number | Date | Country | |
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63339271 | May 2022 | US | |
63277504 | Nov 2021 | US |
Number | Date | Country | |
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Parent | 17983803 | Nov 2022 | US |
Child | 18586416 | US |