Patent ID: 6390787
Filing Date: 2002-05-21
Classification: F04B

Abstract:
A variable displacement swash plate type compressor comprising:a cylinder block having a plurality of cylinders arranged radially therein; a plurality of pistons, each of said pistons reciprocatively disposed in each of the cylinders of said cylinder block; a cylinder head attached to said cylinder block; a crankcase attached to said cylinder block and cooperating with said cylinder block to define a crank chamber; a drive shaft rotatably supported by said crankcase and said cylinder block in the crank chamber; bearing means disposed in a bridge portion of said pistons; and a swash plate adapted to be driven by said drive shaft, said swash plate having a central aperture, opposing sides, and a peripheral edge, said drive shaft extending through the aperture of said swash plate, the opposing sides of said swash plate having tapered surfaces intermediate the central aperture and the peripheral edge, the tapered surfaces causing said swash plate to remain in constant bearing contact with said bearing means as the inclination of said swash plate changes.