Vane-type oil pump for automotive vehicle

Details Vane-type oil pump for automotive vehicle Vane-type oil pump for automotive vehicle

1984-03-16

1985-09-03

Gluck, Richard E.

Rotary expansible chamber devices

With changeable working chamber magnitude

Spring or fluid biased movable member

418 27, 418 30, 417220, F01M 102, F04C 2344, F04C 1504, F04B 108

Patent

active

045389748

ABSTRACT:
A pump has a stator formed with intake and output ports connected to the lubricating system of an internal-combustion engine of an automotive vehicle for flow therethrough, a rotor in the stator positively driven by the engine output, an adjustment element operatively connected to the stator and rotor and displaceable between one end position corresponding to relatively great flow through the pump when the rotor is rotated by the output and an opposite end position corresponding to substantially no flow through the pump when the rotor is rotated by the engine output, and a biasing unit for urging the adjustment element toward the one end position with a fixed force. An abutment unit is connected to the adjustment element of the pump for limiting displacement of same from an intermediate position between its end positions into the opposite end position corresponding to no flow through the pump.

REFERENCES:
patent: 2142275 (1939-01-01), Lane
patent: 2894458 (1959-07-01), Hallman
patent: 2962969 (1960-12-01), French
patent: 4342545 (1982-08-01), Schuster

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