Patent ID: 6106251
Filing Date: 2000-08-22
Classification: F04C

Abstract:
A scroll compressor comprising:a first scroll member having a spiral wrap thereon;a second scroll member having a spiral wrap thereon;a housing for mounting said scroll members so that said second scroll member orbits with regard to said first scroll member with the respective spiral wraps of each scroll member engaging one another in such a way that pockets of progressively changing volume are created between said scroll members in response to said orbital movement in a forward direction;a powered rotatable shaft normally rotating in a forward direction to cause said orbital movement in said forward direction;a base journaled on said shaft, said base defining an aperture; anda wedge shaped insert disposed in said aperture for separating said spiral wraps during extended operation of said compressor in a reverse direction, said base and said insert being responsive to an initial reverse rotation of said shaft.