Fluid handling – With cleaner – lubrication added to fluid or liquid sealing... – Cleaning or steam sterilizing
Patent
1991-09-26
1992-08-25
Hepperle, Stephen M.
Fluid handling
With cleaner, lubrication added to fluid or liquid sealing...
Cleaning or steam sterilizing
13735516, 137899, F16L 4500
Patent
active
051410176
ABSTRACT:
An improved sewage removal adapter for connection between the main dump outlet connection of a recreational vehicle and a flexible holding tank drain hose is disclosed which includes the capacity to direct a back-flushing stream of water back into the holding tank dump tubes to clear any blockages existing in the dump tubes. The sewage removal adapter is connected to the recreational vehicle and to the flexible holding tank drain hose as is conventional, and also to a water source via a garden hose. The application of a high velocity back-flushing jet of water into the main dump outlet connection is controlled as needed by a valve built into the sewage removal adapter. Following the draining of the recreational vehicle holding tanks, the sewage removal adapter may also be used to flush the waste water dump tubes out.
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patent: 3656711 (1972-04-01), Toelke
patent: 3712331 (1973-01-01), Otto
patent: 3811462 (1974-05-01), Feliz
patent: 4133347 (1979-01-01), Mercer
patent: 4844121 (1989-07-01), Duke
patent: 4846212 (1989-07-01), Scobie et al.
patent: 4854349 (1989-08-01), Foreman
Hepperle Stephen M.
Posta Jr. John J.
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