Rotary compressor with clutch actuated by hydraulic fluid and co

Details Rotary compressor with clutch actuated by hydraulic fluid and co Rotary compressor with clutch actuated by hydraulic fluid and co

1987-03-26

1987-12-29

Vrablik, John J.

Rotary expansible chamber devices

With frangible drive connection or clutch

417310, 417319, 192 83, 192 85AA, F04C 2900, F04B 3500, F04B 4902, F16D 25063

Patent

active

047158000

ABSTRACT:
A rotary compressor comprises an input shaft, a compressor component and a clutch component movable between an engaged position where the compressor component is connected to the input shaft to allow a torque to be transmitted from the input shaft to the compressor component and a disengaged position where the compressor component is disconnected from the input shaft to prevent the torque from being transmitted from the input shaft to the compressor component. A hydraulic pump is drivingly connected to the input shaft to discharge a pressurized working fluid upon the rotation of the input shaft. The clutch component includes a clutch member disposed within a clutch cylinder and cooperating therewith to define a pressure chamber. A valve unit is movable between a position where the pressurized working fluid from the pump is allowed to be applied to the pressure chamber to cause the clutch member to be engaged with a rotor member of the compressor component thereby moving the clutch component to the engaged position and a position where the pressurized working fluid from the pump is prevented from being applied to the pressure chamber to prevent the clutch member from engaging with the rotor member to move the clutch component to the disengaged position.

REFERENCES:
patent: 2876881 (1959-03-01), Parrett
patent: 2992769 (1961-07-01), Manzanera
patent: 3626968 (1971-12-01), Hancock
patent: 4449622 (1984-05-01), Okano et al.
patent: 4557670 (1985-12-01), Inagaki et al.
patent: 4560047 (1985-12-01), McCarthy et al.
patent: 4561827 (1985-12-01), Beaumont

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