Oil pump for a closed type compressor

Details Oil pump for a closed type compressor Oil pump for a closed type compressor

1994-06-15

1994-12-27

Bertsch, Richard A.

Rotary expansible chamber devices

Heat exchange or non-working fluid lubricating or sealing

With pump for non-working fluid

418235, 418 54, F01C 2104

Patent

active

053759869

ABSTRACT:
An oil pump for a closed type compressor of the present invention is mounted in the inside bottom of a closed housing. In the oil pump, a rotor is driven to revolve by an eccentric shaft formed at the lower end of a rotary shaft for driving a compressing mechanism while the rotor is formed with a projection which is inserted into a slot of a cylinder chamber in order to inhibit the rotation of the rotor. In this arrangement, the root of the projection is cut away so that the projection is prevented from interfering with angled portions of an opening of the slot.

REFERENCES:
patent: 993530 (1911-05-01), Kinney
patent: 1876370 (1932-09-01), Weber
patent: 3116012 (1963-12-01), August
patent: 5176506 (1993-01-01), Siebel

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