Variable displacement compressor

Details Variable displacement compressor Variable displacement compressor

1987-09-02

1988-11-08

Herrmann, Allan D.

Machine element or mechanism

Mechanical movements

Rotary to or from reciprocating or oscillating

92 122, 417269, F04B 116, F16H 2308

Patent

active

047827122

ABSTRACT:
A variable displacement compressor has a sleeve axially slidably mounted on an axial drive shaft and a swash plate tiltably connected to the sleeve. The angle of the tilt of the swash plate is variable by an axial movement of the sleeve and a movement of the swash plate along a guiding cam track to vary the compressor displacement. The guiding cam track is provided by a cam groove having a form of a closed loop and formed in a driving plate drivingly connected to the drive shaft and to the swash plate to transmit the torque of the drive shaft to the swash plate. A fulcrum pin is provided on the swash plate and engaged in the cam groove and is movable along the guide groove toward the drive shaft as the angle of tilt of the swash plate is decreased.

REFERENCES:
patent: 2964234 (1960-12-01), Loomis III
patent: 4061443 (1977-12-01), Black
patent: 4178135 (1979-12-01), Roberts
patent: 4475871 (1984-10-01), Roberts
patent: 4526516 (1985-07-01), Swain et al.
patent: 4632640 (1986-12-01), Terauchi
patent: 4685866 (1987-08-01), Takenaka et al.
patent: 4688997 (1987-08-01), Suzuki et al.

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