F - Mech Eng,Light,Heat,Weapons – 04 – C
Patent
F - Mech Eng,Light,Heat,Weapons
04
C
F04C 18/02 (2006.01) F04C 27/00 (2006.01) F04C 29/00 (2006.01)
Patent
CA 2531398
A mounting arrangement for the motor-compressor unit of a compressor, and a method of assembling a compressor, particularly a scroll compressor. A fixed scroll member is attached to the compressor housing by an overlap between an annular shoulder on the fixed scroll member and the upper end of the housing. A crankcase is attached to, and supported from, the fixed scroll member by a plurality of fasteners, and the crankcase rotatably supports a drive shaft and an orbiting scroll member. The drive shaft is fixed to a rotor disposed within a stator, and an end of the drive shaft opposite the crankcase is rotatably supported by an outboard bearing assembly. A plurality of mount brackets are secured to an interior surface of the housing, and a plurality of fasteners extend through the outboard bearing, the stator, and the mount brackets, and are threaded into the crankcase to rigidly secure the foregoing components together. The weight of the stator and the outboard bearing assembly is substantially supported by the fixed scroll member and crankcase via the fasteners, and the engagement of the fasteners with the stator and the mount brackets rotationally fixes the position of the stator to counter the rotational torque of the motor during operation of the compressor.
Cowen Greg D.
Skinner Robin G.
Ridout & Maybee Llp
Tecumseh Products Company
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