Rotary expansible chamber devices – With signal – indicator or transparent inspection means
Patent
1987-07-20
1988-08-30
Vrablik, John J.
Rotary expansible chamber devices
With signal, indicator or transparent inspection means
418270, 418 613, 91 53, 91362, F01C 110, F01C 2112, F03C 208, F15B 1316
Patent
active
047672927
ABSTRACT:
A fluid motor having a gerotor gear set includes a first member having internal teeth and a second member having external teeth. The second member is rotatably and orbitally mounted within the first member. The teeth of the first and second members cooperate to define a plurality of variable volume working chambers. Some of said working chambers expand and other of said working chambers contract upon relative rotatable and orbital movement between said first and second members. A plurality of electrically controlled valves are provided, each working chamber having an associated valve. Each valve selectively communicates, in one condition, its associated working chamber with an inlet passage, which is, in turn, connected to a source or pressurized fluid, or, in a second condition, its associated working chamber to an outlet passage, which is, in turn, connected to a reservoir. Each of the valves is responsive to a respective electrical control signal for placing the valve in the first or second condition.
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TRW Inc.
Vrablik John J.
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