Variable capacity rotary compressor

Details Variable capacity rotary compressor Variable capacity rotary compressor

2007-10-16

2007-10-16

Denion, Thomas (Department: 3748)

Rotary expansible chamber devices

Working member has planetary or planetating movement

Plural working members or chambers

C417S218000, C417S221000, C418S029000

Reexamination Certificate

active

11280263

ABSTRACT:
A variable capacity rotary compressor has a simplified structure to reduce manufacturing costs and assembling time thereof and is capable of easily and conveniently performing a capacity-changing operation. The variable capacity rotary compressor includes first and second compression chambers having different capacities, a rotary shaft disposed through the first and second compression chambers, first and second eccentric cams mounted at the rotary shaft in the first and second compression chambers, respectively, first and second eccentric bushes rotatably mounted at outer surfaces of the first and second eccentric cams, respectively, a connection part connected between the first and second eccentric bushes, the connection part having a latching groove extending in a rotating direction of the rotary shaft, a latching pin protruding from the rotary shaft such that the latching pin is disposed in the latching groove, and holding grooves depressed by a predetermined depth at opposite ends of the latching groove in a longitudinal direction of the rotary shaft to hold the latching pin therein.

REFERENCES:
patent: 2418412 (1947-04-01), Kucher
patent: 7104764 (2006-09-01), Lee et al.
patent: 2005/0069442 (2005-03-01), Cho et al.
patent: 2004-32358 (2004-04-01), None
patent: 2005-31797 (2005-04-01), None

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