Fill valve for liquid containing device

Details Fill valve for liquid containing device Fill valve for liquid containing device

1988-10-11

1990-01-23

Dority, Carroll B.

Lubrication

Systems

With safety or indicating means

1841031, 251 65, 123196R, F01M 118

Patent

active

048952192

ABSTRACT:
A device (1) for use in conjunction with an engine (25) is adapted to contain a predetermined level (A) of a liquid such as oil therein. A fill passage (4) is provided for adding liquid to the device and a drain passage (7) is provided for draining liquid from the device when the liquid is above the predetermined level. A movable valve (12) is provided for opening and closing the fill passage and the drain passage. The valve is automatically positioned so as to close both passages in response to start up of the engine whereby liquid will not be lost through the passage during operation of the engine. When the engine is not operating, the fill passage and drain passage are automatically opened in response to the application of pressure filling pressure to the fill passage as a result of an axial vent hole (31) which communicates the filling pressure to an end (32) the movable valve. The device may be an integrated drive generator in an aircraft which is designed to operate successfully in any aircraft attitude.

REFERENCES:
patent: 2617495 (1952-11-01), Johnson
patent: 3203439 (1965-08-01), Beckett
patent: 3575533 (1971-04-01), Bubula
patent: 3924708 (1975-12-01), Dabrowka
patent: 4071042 (1978-01-01), Lombard et al.
patent: 4569196 (1986-02-01), Waddington et al.
patent: 4589524 (1986-05-01), Laycock

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