Patent ID: 7444921

Claim:
A variable displacement compressor, the compressor comprising: a crankcase for receiving a fluid, wherein the crankcase has a plurality of compression chambers in which the fluid is compressed; a plurality of pistons disposed within the crankcase and configured for reciprocal movement within the plurality of chambers to compress and pump the fluid; a rotor assembly having a drive shaft and a rotor; a first pivot pin support member extending from a first surface of the rotor; a sleeve slidably engaged to the drive shaft and configured for axial movement along a longitudinal axis of the drive shaft; a swash ring coupled to the plurality of pistons and through rotary motion of the swash ring causes reciprocal motion of the plurality of pistons within the plurality of chambers, and wherein the swash ring is pivotally mounted to the sleeve, whereby axial movement of the sleeve along the longitudinal axis of the drive shaft causes the swash ring to be inclined relative to the rotor; a bushing disposed within an aperture in the swash ring and configured for movement within the aperture; and a first pivot pin connected to the bushing at a first end and to the first pivot pin support member at a second end.