Slide valve

Details Slide valve Slide valve

2011-08-09

2011-08-09

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

Interengaging rotating members

Helical or herringbone

C418S001000, C418S201100, C418S178000

Reexamination Certificate

active

07993120

ABSTRACT:
A compressor (20) has at least a first rotor (26; 28) at least partially within a bore (276; 278) of a housing. A slide valve element (102; 300) is positioned at least partially within a channel (200; 301) in the housing and has a first surface facing the first rotor. The slide valve element includes a body (268; 302) and a coating (270; 306) on the body. The coating forms the first surface.

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Chinese Office Action for CN200580051503.0, dated Mar. 6, 2009.

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