Pumps – Motor driven – Electric or magnetic motor
Patent
1984-07-20
1986-12-30
Husar, Cornelius J.
Pumps
Motor driven
Electric or magnetic motor
417902, 310 91, F04B 3504, H02K 500
Patent
active
046326448
ABSTRACT:
A small, single cylinder, hermetic refrigeration compressor of the fractional horsepower type has a cylinder 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 on the upper end. The crankshaft is journaled 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.
REFERENCES:
patent: 1610726 (1926-12-01), Arutunoff
patent: 1665097 (1928-04-01), Huguenin
patent: 2648790 (1953-08-01), Harmon
patent: 2738122 (1956-03-01), Gardiner
patent: 3253776 (1966-05-01), Parker
patent: 3369136 (1968-02-01), Sanger
patent: 4069435 (1978-01-01), Wannerskog et al.
Cuomo Peter M.
Husar Cornelius J.
White Consolidated, Inc.
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