Hermetically sealed compressor

Details Hermetically sealed compressor Hermetically sealed compressor

1991-08-28

1993-04-27

Bertsch, Richard A.

Pumps

Motor driven

Electric or magnetic motor

F04B 3504

Patent

active

052057232

ABSTRACT:
A hermetically sealed compressor for use in household appliances such as refrigerators comprising an electric element and a compression element being resiliently supported within a hermetic container. The crankshaft is secured to a rotor of an electric element and supported by a pair of ball bearings. The crankshaft is comprised of a concentric principal part, a concentric secondary part and an eccentric axial part positioned between the principal part and the secondary part. The eccentric axial part is connected to one end of a connecting rod. In one embodiment, the eccentric axial part overlays all of the principal part and secondary part when seen in plan or projection view from the axial direction of the crankshaft. One of a pair of ball bearings is installed in each of the concentric principal part and secondary part respectively so as to support the load caused by the reaction of the compression load equally on each side of the axis along which the force of that load is exerted.

REFERENCES:
patent: 4248050 (1981-02-01), Durenec
patent: 4834627 (1989-05-01), Gannaway
patent: 5033941 (1991-07-01), Jensen

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