Holding tank flushing system for a recreational vehicle

Details Holding tank flushing system for a recreational vehicle Holding tank flushing system for a recreational vehicle

1988-09-02

1989-09-26

Coe, Philip R.

Baths, closets, sinks, and spittoons

Flush closet

With holding tank

134 57R, 134169R, B08B 908

Patent

active

048689327

ABSTRACT:
A supplementary self-contained cleaning fluid distribution system provides for the selective flushing and cleaning of the waste fluid holding tanks of a recreational vehicle. From an external connection cleaning fluid is directed to grey water or sewage tanks respectively, by means of a tank selector and backflow prevention system. Components of the system include a pair of normally closed solenoid valves and a normally open pressure switch responsive to the delivered pressure of the cleaning fluid. A predetermined reduction of the cleaning fluid supply pressure automatically isolates the vehicle system from the external fluid supply.

REFERENCES:
patent: 3448745 (1969-06-01), Seeley
patent: 3570503 (1971-03-01), Deboliac
patent: 3780757 (1973-12-01), Jordan
patent: 4059123 (1977-11-01), Bartos et al.
patent: 4286617 (1981-09-01), Bedient
patent: 4527295, Lacore
patent: 4550453 (1985-11-01), Norman
patent: 4667351 (1987-05-01), Williams
San-T-Flush.TM. Sales leaflet, Swan Industries.

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