Bearing construction for refrigeration compressor

F - Mech Eng,Light,Heat,Weapons – 04 – B

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F04B 35/04 (2006.01) F04B 39/02 (2006.01)

Patent

CA 1245199

BEARING CONSTRUCTION FOR REFRIGERATION COMPRESSOR ABSTRACT OF THE DISCLOSURE A hermetic refrigeration compressor has a cylinder block and a crankshaft rotatable about a vertical axis to reciprocate a piston in a cylinder on the cylinder block. A separate bearing housing is secured to the central portion of the cylinder block and extends vertically along the crank- shaft, where it carries a pair of roller bearings to journal the crankshaft. The crankshaft has a radially extending flange which is journaled by a thrust-type roller bearing above the bearing housing to absorb the vertical forces on the crankshaft so that all three of the roller bearings are between the crankshaft and the bearing housing to maintain and control the close tolerances required by such bearings.

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