Refrigeration compressor

Details Refrigeration compressor Refrigeration compressor

F - Mech Eng,Light,Heat,Weapons

04

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230/50

F04B 39/12 (2006.01) F04B 39/00 (2006.01) F16C 19/10 (2006.01) F16C 33/44 (2006.01)

Patent

CA 1269967

REFRIGERATION COMPRESSOR ABSTRACT OF THE DISCLOSURE A small, single cylinder, hermetic refrigeration compressor of the fractional horsepower type has a cylin- der block with a piston and cylinder at the lower end. Above the cylinder block is mounted the motor stator. A bearing hub is centrally mounted on the cylinder block, and provides a single radial bearing for the crankshaft, which extends upward through the bearing hub and has the rotor mounted 011 the upper end. The crankshaft is jour- naled directly in the bearing hub, while the thrust is taken up by a small ball bearing mounted between the rotor and an end face on the bearing hub. The thrust bearing uses a pair of flat thrust washers as races, while the balls, which are widely spaced and minimum in number, are mounted in a plastic cage.

482683

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