F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
230/77
F04B 27/08 (2006.01) F04B 27/10 (2006.01) F04B 27/18 (2006.01)
Patent
CA 1084882
VARIABLE DISPLACEMENT COMPRESSOR Abstract of the Disclosure: A wobble plate compressor in which the output of the compressor is modulated in response to refrigeration requirements by varying the compressor piston displacement to match the cool- ing requirement. The compressor housing front end has an axial protruding integral tubular extension which supports one end of a drive shaft by means of a journal bearing supported in the tubular extension. A cup-shaped hydraulic modulating cylinder is located in an axial fixed relation on the drive shaft adjacent the front end cover such that a disc-shaped piston, mounted on an axially slidable sleeve surrounding the drive shaft, is telescopically received in the cylinder rearwardly facing open end so as to de- fine with the cylinder an expansible hydraulic chamber. An axially extending recess in the shaft defines an open-ended pass- age providing hydraulic fluid flow communication between radial passage means in the housing front end and the expansible chamber.
301316
Black Dennis A.
Brucken Byron L.
General Motors Corporation
Gowling Lafleur Henderson Llp
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