Oil supply device for compressor in refrigerating system

Details Oil supply device for compressor in refrigerating system Oil supply device for compressor in refrigerating system

2001-07-28

2008-05-06

Koczo, Jr., Michael (Department: 3746)

Pumps

Motor driven

Interrelated or common lubricating or cooling means for pump...

C184S006180

Reexamination Certificate

active

07367784

ABSTRACT:
Oil supply device (130) for a compressor in a refrigerating system including a cylindrical piece (131) fixed to a lower end of a crankshaft (110) for rotating together with the crankshaft, a propeller (132) fitted inside of the piece for making oil to rise by a relative movement with the piece (131), and rotation prevention means (141) fitted to a bottom end of the propeller (132) for prevention of rotation of the propeller, thereby supplying an adequate amount of refrigerant oil even if the compressor, operative at a low, as well as a high speed, is operated at the low speed.

REFERENCES:
patent: 3182901 (1965-05-01), Solomon
patent: 6450785 (2002-09-01), Dellby et al.
patent: 768058 (1957-02-01), None
patent: 60119389 (1985-06-01), None
patent: WO-93/22557 (1993-11-01), None
patent: WO-00/01949 (2000-01-01), None

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