Portable Hand-Washing Station with Grey-Water Discharge Prevention
AssigneeJ & J Portable Sanitation Products, LLC
InventorMatthew D. Roncadori
Life of this patent
Estimating the term…
Abstract
A portable hand-washing station having a base, at least one sink thereabove, a grey-water storage tank in the base, and a suction tube extending from an inlet end thereof within the grey-water storage tank upwardly and from there downwardly to an outlet end thereof at a bottom portion of the base, the suction tube having a check valve in it which has a cracking pressure sufficient to prevent flow from the grey-water storage tank through the suction tube without application of suction at the outlet to overcome the cracking pressure.
Claims18
In a portable hand-washing station having a base, at least one sink thereabove, a grey-water storage tank in the base to receive grey water draining from the sink(s), and a suction tube extending from an inlet end thereof within the grey-water storage tank upwardly and from there downwardly to an outlet end thereof at a bottom portion of the base, the improvement comprising a check valve in the suction tube, the check valve having a cracking pressure sufficient to prevent flow from the grey-water storage tank through the suction tube without application of suction at the outlet to overcome the cracking pressure.
Apparatus for emptying grey water from a grey-water storage tank by suction comprising:
- a suction tube extending from an inlet end thereof within the grey-water storage tank upwardly and from there downwardly to an outlet end thereof at a bottom portion of the grey-water storage tank;
- and
- a check valve in the suction tube, the check valve having a cracking pressure sufficient to prevent flow from the grey-water tank through the suction tube without application of suction at the outlet to overcome the cracking pressure.
Dependencies are inferred from the claim text.