Waste water recovery system

• US 5,738,139 A
• Filed: 03/04/1996
• Issued: 04/14/1998
• Est. Priority Date: 03/04/1996
• Status: Expired due to Term

• Current Assignee: DeChard, Albert
• Original Assignee: DeChard, Albert
• Inventors: DeChard, Albert
• Primary Examiner(s): Walton, George L.
• Application Number:
  US08/610,426
• Time in Patent Office: 771 Days
• Field of Search: 137/312, 137/362, 137/561 A, 137/561 R, 137/565, 4/613, 220/571, 220/573, 222/108, 222/111, 141/86, 180/69.1, 184/1.5, 184/106, 296/38
• US Class Current: 137/312
• CPC Class Codes: E03F 1/00 Methods, systems, or installations for draining-off sewage or storm water
• CPC Class Codes: E04H 6/428 Devices for collecting oil or other fluids under parked cars servicing, maintaining, repairing or refitting of vehicles B60S5/00
• CPC Class Codes: F16N 31/006 Drip trays
• CPC Class Codes: Y10T 137/5762 With leakage or drip collecting
• CPC Class Codes: Y10T 137/8593 Systems

Abstract

A waste water recovery system includes a ground cover made of non-woven geotextiles covered with a fluid impervious barrier layer. A drainage waffle is placed on top of the barrier layer and is covered by a non-skid work surface having a plurality of holes permitting flow of fluid through them. At least the barrier layer and the ground cover are coupled to a surrounding frame through the use of a continuous clip. A pumping system is provided to pump waste liquids from the device to a holding tank.

Claims

1. a) a frame adapted to be placed upon a ground surface and having an upstanding wall, said frame enclosing a space on a ground surface;

b) a fluid impervious barrier layer clamped to said wall and covering said space;

c) a fluid capturing tray mounted above and along said barrier layer and extending to said wall;

d) a work surface layer mounted over and supported by said tray and extending to said wall, said work surface layer having a plurality of openings therethrough communicating with the tray allowing fluid to pass therethrough to be collected in at least a portion of said tray;

e) a means extending through said work surface layer and into said at least a portion of said tray for removing fluid; and

f) a means to pump fluid from said at least a portion of the fluid capturing tray to an outlet.

2. The system of claim 1, wherein said frame has an L-shaped cross-section including a horizontal wall connected to said upstanding wall, said horizontal wall including fastening means for fastening said frame to a ground surface.

3. The system of claim 2, wherein said frame is generally rectangular.

4. The system of claim 1, wherein said fluid capturing tray comprises a drainage waffle having a peripheral wall and a plurality of upstanding protrusions within said peripheral wall.

5. The system of claim 1, wherein said work surface layer includes an upper non-skid surface.

6. The system of claim 1, further including a ground cover underlying said barrier layer.

7. The system of claim 6, wherein said ground cover has a periphery secured to said upstanding wall of said frame.

8. The system of claim 1, wherein the means to pump fluid is a pump having an inlet within said tray and the outlet is connected to a holding tank.

9. The system of claim 8 wherein said pump is mounted on said frame and mumps liquid from a recess in said tray.

10. The system of claim 8, wherein said inlet is fluidly connected to said tray via a conduit.

11. The system of claim 10, further including a housing connected to said frame and overlying a portion of said conduit.

12. A waste water recovery system, comprising:

a) a frame adapted to be placed upon a ground surface and having an upstanding wall, said frame enclosing a space on a ground surface;

b) a ground cover overlying a ground surface and fastened to said frame;

c) a fluid impervious barrier layer covering said ground cover and fastened to said free;

d) a drainage waffle overlying and along said barrier layer and including a peripheral wall and a plurality of protrusions within said peripheral wall defining recesses therebetween;

e) a work surface overlying and supported by said drainage waffle and having an upper non-skid surface and a plurality of openings therethrough communicating with the drainage waffle and allowing fluid to pass therethrough to be collected within said recesses in said drainage waffle; and

f) a pumping system including an input extending through the work surface fluidly connected within said drainage waffle to said recesses and an output connecting to a holding tank.

13. The system of claim 12, wherein said ground cover is made of a non-woven geotextile material.

14. The system of claim 12, wherein said barrier layer is made of polypropylene.

15. The system of claim 12, wherein said work surface layer is made of a high molecular weight resin.

16. The system of claim 12, said pumping system including a pump fastened to said frame.

17. The system of claim 12, wherein said drainage waffle is made of polystyrene.