Patent ID: 6158325
Filing Date: 2000-12-12
Classification: F04B

Abstract:
A swash plate type variable displacement compressor comprising:a plurality of pistons;a drive shaft;a hinge mechanism;a drive plate fixedly mounted on the drive shaft;a sleeve mounted to the drive shaft; anda journal member swingably connected to the sleeve and linked to the drive plate by the hinge mechanism, the journal member translating rotational motion of the drive shaft into rectilinear motion of each piston;wherein the drive plate comprises a first half segment and a second half segment, the first half segment being linked with the journal member through the hinge mechanism and including hinge supporting portion for supporting the hinge, the first half segment including a first side surface facing away from the journal member and supporting a thrust bearing, and wherein the drive plate includes an oil storage groove formed only in the first side surface of the first half segment and extending along the a semicircular arc bisected by a center line passing through the hinge supporting mechanism.