Cleaning and liquid contact with solids – Apparatus – For work having hollows or passages
Patent
1998-03-02
1999-12-28
Coe, Philip R.
Cleaning and liquid contact with solids
Apparatus
For work having hollows or passages
4323, 134166R, B08B 902
Patent
active
060067667
ABSTRACT:
This invention relates to an improved sewer system for recreational vehicles. Specifically, a four way pipe connector is provided which resides below a flushing tank and connects the flushing tank, the gray water waste tank, the black water waste tank and the dump hose. Valves selectively open and close access to the four way pipe connector. The flushing tank includes five gallons of water which are selectively flushed through the dump hose to remove any waste residue that remains after draining the black or gray water waste tanks.
REFERENCES:
patent: 3811462 (1974-05-01), Feliz
patent: 4387750 (1983-06-01), McNerney
patent: 4550453 (1985-11-01), Norman
patent: 4938241 (1990-07-01), Teel
patent: 5056544 (1991-10-01), Stevens
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