Fluid handling – Systems – Dividing into parallel flow paths with recombining
Patent
1989-06-22
1990-05-29
Hepperle, Stephen M.
Fluid handling
Systems
Dividing into parallel flow paths with recombining
137301, F16K 1518
Patent
active
049287311
ABSTRACT:
A toilet tank filling valve assembly to be mounted on an aircraft (10) includes an elongated main body (32) for defining an elongated passage (34) and first and second longitudinally spaced lateral passages (36 and 38). A one piece elongated bypass casing (56) defines an elongated bypass channel (58) and includes a bypass-casing oblong sealing facing (64) corresponding to a main-body oblong sealing facing (66) surrounding the first and second lateral passages. The elongated channel forms a passage between the first and second lateral passages. A moveable valve member (46) is mounted in a valve cavity (40) of the elongated main body at an intersection of the elongated passage for being placed in an open position to allow flow through the elongated passage or to a closed position for closing the elongated passage but allowing flow between a first end of the elongated passage and the first lateral passage. A one-way check valve (74) formed from a gasket between the main body and the one piece bypass casing allows fluid to flow from the first lateral passage to the elongated passage, but not in the reverse direction. The first end of the elongated passage is coupled to a toilet tank (14) and the second end of the elongated passage is coupled to a source (12) of pressurized toilet fluid.
REFERENCES:
patent: 806268 (1905-12-01), Koontz
patent: 1297001 (1919-03-01), O'Shields
patent: 1708060 (1929-04-01), Harrison et al.
patent: 1827470 (1931-10-01), Harrison et al.
patent: 4642037 (1987-02-01), Fritchman
patent: 4702274 (1987-10-01), Kramer
Auto-Valve Inc.
Dybvig Roger S.
Hepperle Stephen M.
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