Compressor having capacity modulation system

Details Compressor having capacity modulation system Compressor having capacity modulation system

2011-07-12

2011-07-12

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

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

Reexamination Certificate

active

07976295

ABSTRACT:
A compressor includes a housing, a first scroll member supported within the housing and having a first end plate with a discharge passage, and a second scroll member supported within the housing and having a second end plate with a second spiral wrap extending therefrom and meshingly engaged with the first spiral wrap to form a series of pockets. A first aperture extends through the first end plate and is in communication with a first product of the series of pockets. A modulation assembly axially biases the first scroll member into engagement with the second scroll member when the first aperture is in communication with a suction pressure region of the compressor.

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