Compressor having output adjustment assembly including...

Details Compressor having output adjustment assembly including... Compressor having output adjustment assembly including...

2011-07-05

2011-07-05

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

C418S015000, C418S055100, C418S055400, C418S057000, C418S180000, C417S310000, C417S308000, C417S299000

Reexamination Certificate

active

07972125

ABSTRACT:
A compressor may include a housing, first and second scroll members, and a compressor output adjustment assembly. The first scroll member may define a first chamber having first and second passages in communication therewith, a second chamber having third and fourth passages in communication therewith, and first and second apertures. The first and third passages may be in communication with a first pressure source and the second and fourth passages may be selectively in communication with a second pressure source. The compressor output adjustment assembly may include a first piston located in the first chamber and displaceable between first and second positions and a second piston located in the second chamber and displaceable between first and second positions. The first piston may isolate the first aperture from the first passage and the second piston may isolate the second aperture from the third passage when in their respective second positions.

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