Scroll compressor

Details Scroll compressor Scroll compressor

1984-04-12

1986-01-14

Croyle, Carlton R.

Pumps

Motor driven

Including means utilizing pump fluid for augmenting cooling,...

418 55, 310 57, 310 87, F04B 3902, F04B 3906, F04C 1802, H02K 908

Patent

active

045643393

ABSTRACT:
A scroll compressor in which depletion of the lubricant supply is prevented both during the normal operation of the compressor and at the time the compressor is started. A motor cover having the form of a bottomed cylinder is provided around a driving motor of the compressor at a position so as to separate the path of suctioned gas which is used for cooling the driving motor from a lubricant return path through which lubricant from the lubricant pool formed at the bottom of the housing of the compressor is pumped to lubricate the bearing frame and returned to the lubricant pool. A check valve may be provided within the motor cover.

REFERENCES:
patent: 2069767 (1937-02-01), McCormack
patent: 2178811 (1939-11-01), Sateren
patent: 3285504 (1966-11-01), Smith
patent: 3713513 (1973-01-01), Harris et al.
patent: 4431388 (1984-02-01), Eber et al.

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