Hermetic compressor

Details Hermetic compressor Hermetic compressor

1993-02-03

1995-07-25

Berisch, Richard A.

Pumps

Motor driven

Electric or magnetic motor

417902, 310 51, F04B 3504

Patent

active

054357020

ABSTRACT:
A compressor equipped with a compressing unit comprising a compressing section and a motor section which are connected to each other and Which are encased in a closed vessel, the compressing section including a crank shaft rotatable so that a piston reciprocates within a cylinder and the motor section comprising a rotor and stator and disposed at a lower side of the compressing section, the rotor being connected to the crank shaft so that the crank shaft is rotatable in response to driving of the motor section. Springs are provided between the compressing unit and the closed vessel so as to elastically support the compressing section and the motor section, and first and second balance weights are respectively provided on upper and lower portions of a rotor of the motor section. The first and second balance weights are determined on the basis of the resultant load to be applied to an eccentric portion of the crank shaft, a con'rod and the piston, the loads of the first and second balance weights and distances among the first and second balance weights and the eccentric portion of the crank shaft.

REFERENCES:
patent: 4106881 (1978-08-01), Stannow et al.
patent: 4592703 (1986-06-01), Inaba et al.
patent: 4984971 (1991-01-01), Bergeron
patent: 5022146 (1991-06-01), Gannaway et al.
patent: 5252038 (1993-10-01), Mangyo et al.

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