Claims
- 1. A vacuum refuse collector comprising:
- a body;
- a refuse container mounted on the body, said refuse container having a refuse chamber formed therein;
- a filter in the refuse chamber of the refuse container dividing the refuse chamber into a refuse side and a non-refuse side;
- a flexible refuse collection tube communicating with the refuse chamber on the refuse side of the refuse chamber;
- an air inlet port;
- an air velocity increasing means;
- duct means forming a first air path from the non-refuse side of the refuse chamber to the inlet of the air velocity increasing means, through the air velocity increasing means and then to atmosphere through an exhaust port and a second air path from the air inlet port to the inlet of the air velocity increasing means through the air velocity increasing means and to the non-refuse side of said refuse chamber; and
- control means for selectively placing the air velocity increasing means in communication with the first or second air path to selectively draw air through the first air path to create a suction in the refuse collection tube or blowing air through said second path to remove obstructive material from said filter and from said refuse collection tube as required in use.
- 2. A vacuum refuse collector comprising:
- a body;
- a refuse container mounted on the body having a refuse chamber;
- a filter in the refuse chamber of the refuse container dividing the refuse chamber into a refuse side and a non-refuse side;
- a flexible refuse tube communicating with the refuse chamber on the refuse side of the filter;
- an atmosphere port;
- an air velocity increasing means;
- duct means forming a first air path from the non-refuse side of the refuse chamber to the inlet of the air velocity increasing means, through the air velocity increasing means and then to atmosphere and a second air path from the atmosphere port to the inlet of the air velocity increasing means through the air velocity increasing means and to the non-refuse side of said refuse chamber; and
- control means for controlling the differential of air velocity in the first path and the second path to control the air velocity in the pick up tube, said control means comprising a first damper between the first air path and the second air path located with respect to the first air path upstream of the air velocity increasing means, a second damper in the first path downstream of the first damper and upstream of the air velocity increasing means, and a third damper in the second path upstream of the atmosphere port and downstream of the air velocity increasing device.
- 3. A vacuum refuse collector as claimed in claim 1 in which said control means is manually operable from a single operating lever.
- 4. A vacuum refuse collector as claimed in claim 3 in which said control means includes a first damper between the first air path and the second air path located with respect to the first path upstream of the air velocity increasing means, a second damper in the first path downstream of the first damper and upstream of the air velocity increasing means, and a third damper in the second path upstream of the atmosphere port and downstream of the air velocity increasing device.
- 5. A vacuum refuse collector as claimed in claim 2 or claim 4 in which said first damper, said second damper, said third damper and said single operating lever are link interconnected for operation by said single operating lever, said dampers being operable from normal positions wherein said first damper is closed, said second damper is open and said third damper is closed by operation of said lever.
- 6. A vacuum refuse collector as claimed in claim 2 or claim 4 wherein said dampers are operable by said single operating lever from normal positions wherein said first damper is closed, said second damper is open and said third damper is closed, operation of said lever.
- 7. A vacuum refuse collector as claim in claim 3 in which said vacuum refuse collector is mounted on a wheeled vehicle, said flexible refuse tube having a handle that is manually manipulatable from the vehicle, said vehicle having a boom to support the pick up tube, said boom being pivotally mounted on the vehicle to swing in a horizontal arc to support the pick up tube as its open end is moved in a path from one side of the vehicle, around the front of the vehicle to the other side of the vehicle and return, said vehicle having a width at the front that permits an operator to swing said boom in a path as aforesaid from one seat position.
- 8. A vacuum refuse container as claimed in claim 3 in which said refuse container is adapted to receive a liner, said liner underlying said filter, there being a relief valve in the side of said refuse container for relieving air pressure between a liner and the interior of said refuse container.
- 9. A vacuum refuse collector as claimed in claim 1 in which said vacuum refuse collector is mounted on a wheeled vehicle, said flexible refuse tube having a handle that is manually manipulatable from the vehicle, said vehicle having a boom to support the pick up tube, said boom being pivotally mounted on the vehicle to swing in a horizontal arc to support the pick up tube as its open end is moved in a path from one side of the vehicle, around the front of the vehicle to the other side of the vehicle and return, said vehicle having a width at the front that permits an operator to swing said boom in a path as aforesaid from one seat position.
- 10. A vacuum refuse collector as claimed in claim 2 in which said vacuum refuse collector is mounted on a wheeled vehicle, said flexible refuse tube having a handle that is manually manipulatable from the vehicle, said vehicle having a boom to support the pick up tube, said boom being pivotally mounted on the vehicle to swing in a horizontal arc to support the pick up tube as its open end is moved in a path from one side of the vehicle, around the front of the vehicle to the other side of the vehicle and return, said vehicle having a width at the front that permits an operator to swing said boom in a path as aforesaid from one seat position.
- 11. A vacuum refuse container as claimed in claim 1 in which said refuse container is adapted to receive a liner, said liner underlying said filter, there being a relief valve in the side of said refuse container for relieving air pressure between a liner and the interior of said refuse container.
- 12. A vacuum refuse container as claimed in claim 2 in which said refuse container is adapted to receive a liner, said liner underlying said filter, there being a relief valve in the side of said refuse container for relieving air pressure between a liner and the interior of said refuse container.
- 13. A vacuum refuse collector comprising:
- a body;
- a refuse container mounted on the body having a refuse chamber;
- a filter in the refuse chamber of the refuse container dividing the refuse chamber into a refuse side and a non-refuse side;
- a flexible refuse tube communicating with the refuse chamber on the refuse side of the filter;
- an atmosphere port;
- an air velocity increasing means;
- duct means forming a first air path from the non-refuse side of the refuse chamber to the inlet of the air velocity increasing means, through the air velocity increasing means and then to atmosphere and a second air path from the atmosphere port to the inlet of the air velocity increasing means through the air velocity increasing means and to the non-refuse side of said refuse chamber; and
- control means for controlling the differential of air velocity in the first path and the second path to control the air velocity in the pick up tube, said control means comprising a first damper between the first air path and the second air path located with respect to the first air path upstream of the air velocity increasing means, a second damper in the first path downstream of the first damper and upstream of the air velocity increasing means, and a third damper in the second path upstream of the atmosphere port and downstream of the air velocity increasing device.
- 14. A vacuum refuse collector comprising:
- a wheeled motor driven vehicle having front and rear ends, said vehicle having a drivers seat located centrally of said front end,
- a vacuum refuse collector comprising a refuse container, a flexible refuse tube having one end communication with said refuse container and an open end for receiving trash which is to be drawn through the refuse tube into the refuse container,
- a manually engageable handle mounted on said refuse tube so as to be accessible to an operator seated on said driver's seat,
- means for drawing air through said refuse tube into the refuse container;
- a boom mounted on said vehicle for supporting said refuse tube, said boom comprising a fixed arm which is mounted on the vehicle and having a distal end which is located directly above the driver's seat and a movable arm which has a proximal end pivotally mounted on the distal end of the fixed arm for movement in a generally horizontal plane about a first axis which is substantially vertically oriented and a distal end which extends outwardly with respect to said front end of said vehicle, means for connecting said distal end of said movable arm to support said refuse tube adjacent the open end thereof, said movable arm being free to swing about said first axis in a horizontal arc by manipulating said handle when seated on said driver's seat to locate the refuse tube as its open end is moved in a horizontal path from one side of the vehicle, around said front end of the vehicle and to the other side of the vehicle.
- 15. A vacuum refuse collector as claimed in claim 1, wherein said control means is operable to control the differential of air velocity in the first path with respect to the air velocity in the second path to control the air velocity in the flexible refuse collection tube.
- 16. A vacuum refuse collector comprising:
- (a) a road-going vehicle,
- (b) a refuse container mounted on said vehicle, said refuse container having a refuse chamber formed therein,
- (c) a filter dividing the refuse chamber into a refuse compartment and a non-refuse compartment,
- (d) a refuse collection tube having an intake end and a discharge end, the discharge end communicating with said refuse compartment,
- (e) air circulating means connected to said refuse container remote from said refuse collection tube and communicating with the non-refuse compartment and being operable to selectively withdraw air from or deliver air under pressure to the non-refuse compartment of the refuse chamber, such that when air is withdrawn from the non-refuse compartment it will draw air through the refuse collection tube into the refuse compartment of the refuse chamber, through the filter to the non-refuse compartment and will serve to draw refuse into the refuse compartment of the chamber and when air is delivered under pressure, air will pass through the filter into the refuse side, thereby cleaning the filter and then through the refuse collection tube to unclog the collection tube as required in use.
Parent Case Info
This application is a continuation, of application Ser. No. 937,302, filed Dec. 3,19 and now abandoned.
US Referenced Citations (6)
Foreign Referenced Citations (1)
Number |
Date |
Country |
0114114 |
Jul 1984 |
EPX |
Continuations (1)
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Number |
Date |
Country |
Parent |
937302 |
Dec 1986 |
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