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US 12,383,113 B2Granted
Auxiliary gray water source device for commercial kitchens
AssigneeSeven Hour Drive, LLC
InventorsEduardo Yong Lee, Daniel John Dickenson
Life of this patent
Estimating the term…
Abstract
An auxiliary gray water supply device captures used wash water from a commercial warewashing machine for supply to a pre-rinse station without substantial modification of the commercial warewashing machine. The captured wash water and treatment agent are delivered to a pre-rinse station for pre-rinsing of dishes that will be washed within the commercial warewashing machine.
Claims16
A method of installing a gray water system for water-efficient rinsing of dishes, the method comprising:
- obtaining the gray water system, the gray water system comprising:
- a gray water tank comprising an inlet and an outlet, the gray water tank configured to contain a volume of gray water;
- and
- an electric pump;
- positioning the gray water tank under a commercial warewashing machine and such that the gray water tank is separate from the warewashing machine;
- fluidly connecting the gray water tank and the warewashing machine such that gray water discharged from the warewashing machine passes through an air gap between the gray water tank and the warewashing machine and into the inlet of the gray water tank with no physical components interposed therebetween, wherein the grey water does not mix with fresh water in the grey water tank.
3 more elements
A water-efficient method of cleaning dishes in a kitchen, the method comprising:
- (1) receiving soiled dishes;
- (2) rinsing the soiled dishes with gray water from a gray water tank;
- (3) loading the rinsed dishes into a commercial warewashing machine;
- (4) operating the warewashing machine to clean the loaded dishes;
- (5) discharging gray water out of the warewashing machine;
- (6) passing the gray water through an air gap with no physical components interposed therebetween;
- (7) receiving the gray water through an inlet in the gray water tank;
- (8) collecting the gray water in the gray water tank, wherein the grey water collected in the grey water tank is not the grey water used to rinse the soiled dishes in step (2);
- and
- (9) repeating steps (1)-(8).
7 more elements
Dependencies are inferred from the claim text.