Variable capacity rotary compressor

Details Variable capacity rotary compressor Variable capacity rotary compressor

2006-11-14

2006-11-14

Trieu, Theresa (Department: 3748)

Pumps

Condition responsive control of drive transmission or pump...

Adjustable cam or linkage

C417S221000, C417S223000, C417S287000, C417S410300, C418S029000, C418S060000, C418S151000

Reexamination Certificate

active

07134845

ABSTRACT:
A variable capacity rotary compressor including a housing to define therein two compression chambers having different capacities, a rotating shaft transmit ting a rotating force from a drive unit to the two compression chambers, two eccentric parts are provided on an outer surface of the rotating shaft to be placed in the two compression chambers, respectively. Two eccentric bushes, having different weights respectively fitted over the eccentric parts to rotate relative to the rotating shaft within predetermined angles, a pair of force transmission parts, provided on opposite sides of the eccentric unit, to receive the rotating force of the rotating shaft so that one of the two eccentric bushes rotates while being eccentric from the rotating shaft and a remaining one of the two eccentric bushes rotates while being released from eccentricity from the rotating shaft, according to a rotating direction of the rotating shaft.

REFERENCES:
patent: 6860724 (2005-03-01), Cho et al.
patent: 59063393 (1984-04-01), None
patent: 62075092 (1987-04-01), None
patent: 3-124987 (1991-05-01), None
patent: 03179192 (1991-08-01), None
patent: 04143483 (1992-05-01), None

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