Patent ID: 6027321
Filing Date: 2000-02-22
Classification: F04C

Abstract:
A scroll-type fluid compressor, comprisinga frame having an interior surface having at least one key way formed in said interior surface;a non-orbiting scroll plate having an end plate on which a spiral shaped wrap is located, said non-orbiting scroll plate being retained in said frame and having a slide key extending radially into said key way;an orbiting scroll plate having an end plate on which a spiral shaped wrap is located; said orbiting and non-orbiting scroll plates being arranged to interfit said spiral shaped wraps thereby defining an interior space comprising a series of movable, crescent shaped pockets which reduce in volume as they move radially inwardly towards a center point during an orbiting cycle in which the orbiting scroll plate orbits relative to the non-orbiting scroll plate; andsprings axially biasing said non-orbiting scroll plate away from said frame.