Variable displacement compressor and its assembling method

Details Variable displacement compressor and its assembling method Variable displacement compressor and its assembling method

1997-06-18

1998-12-01

Thorpe, Timothy

Pumps

Condition responsive control of drive transmission or pump...

Adjustable cam or linkage

417270, F04B 129

Patent

active

058428356

ABSTRACT:
A compressor includes a cylinder block having a cylinder bore, a first housing attached to a first end of the cylinder block, a second housing attached to a second end of the cylinder block, a crank chamber defined between the cylinder block and the first housing, a drive plate located in the crank chamber and mounted on a drive shaft, and a piston operably coupled to the drive plate and located in the cylinder bore. The drive plate is tiltable between a maximum inclination position and a minimum inclination position according to a difference between the pressure in the crank chamber and the pressure in the cylinder bore. The cylinder block has a shutter chamber opening to the first end and the second end. A shutter member is accommodated in the shutter chamber. The shutter member is movable between a first position and a second position in response to the inclination of the drive plate to selectively connect and disconnect an external circuit with an suction chamber. The drive plate is held at the minimum inclination position when the shutter member is positioned in the second position. The shutter chamber has a diameter that is constant in an axial direction with respect to the shutter chamber. The shutter member is removably inserted into the shutter chamber from the second end of the cylinder block.

REFERENCES:
patent: 5529461 (1996-06-01), Kawaguchi et al.
patent: 5603610 (1997-02-01), Kawaguchi et al.
patent: 5636973 (1997-06-01), Sonobe et al.
patent: 5785502 (1998-07-01), Ota et al.

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