Patent ID: 6609896
Filing Date: 2003-08-26
Classification: F04B,Y10S

Abstract:
A compressor for use in an HVAC system, the compressor comprising:a block defining at least one compression chamber; a drive shaft rotatably supported by the block; a compression member for compressing a fluid within the compression chamber, said compression member coupled to said drive shaft through a mechanical coupling; a motor coupled to the drive shaft for rotating the drive shaft; an inertia-increasing member added to the drive shaft that reduces the acceleration of the drive shaft as the motor initiates the rotation of the drive shaft in one or more directions and adds to the service life of the mechanical coupling; and a housing containing the block, the drive shaft, the compression member, the motor, and the inertia-increasing member, wherein the forces imposed on the mechanical coupling are minimized when the motor initiates rotation of the drive shaft.