Patent ID: 7647859
Filing Date: 2010-01-19
Classification: F04B

Abstract:
1. A variable displacement compressor comprising: a crankcase having a plurality of compression chambers formed therein; a plurality of pistons, one of the pistons disposed in each of the compression chambers and configured for reciprocal movement therein; a drive shaft rotatingly disposed in the crankcase; a swash ring coupled to the pistons to cause a reciprocal motion thereof, an amount of the reciprocal motion adjusted by a tilting of the swash ring; and a pin extending radially outwardly from the drive shaft, a distal end of the pin cooperating with a sleeve having a bore formed therein adapted to receive the pin, the sleeve disposed in an aperture formed in the swash ring to cause a rotational movement of the swash ring and facilitate the tilting thereof, wherein the sleeve is slidably received in the aperture.