Variable capacity swash plate type compressor

Details Variable capacity swash plate type compressor Variable capacity swash plate type compressor

2008-05-30

2011-10-18

Freay, Charles G (Department: 3746)

Pumps

Condition responsive control of drive transmission or pump...

Adjustable cam or linkage

C184S006170

Reexamination Certificate

active

08038415

ABSTRACT:
Provided is a variable capacity swash plate type compressor. The variable capacity swash plate type compressor includes: a cylinder block; a front housing; a rear housing; a valve; a driving shaft; a rotor; a swash; an elastic; and a plurality of pistons, wherein at least one step portion perforating the rotor and the driving shaft, communicating the crank chamber and the refrigerant communication passage, and protruding toward its inner face so that a cross-section of the at least one step portion is reduced in a direction of the refrigerant communication passage from the crank chamber toward an inner face of the step portion, is provided, and at least one oil separation passage in which oil is centrifugally separated from a refrigerant gas flowing inside the driving shaft as the driving shaft rotates is formed.

REFERENCES:
patent: 5636973 (1997-06-01), Sonobe et al.
patent: 6942465 (2005-09-01), Kawachi et al.
patent: 197 03 216 (1997-08-01), None
patent: 0 943 802 (1999-09-01), None
patent: 55 29041 (1980-03-01), None
patent: 2009 24567 (2009-02-01), None

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