Vane type compressor having an improved rotatable sleeve
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United States of America Patent
Stats
-
Oct 14, 1986
Grant Date -
N/A
app pub date -
Mar 30, 1984
filing date -
Mar 31, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A vane type rotary compressor comprising a housing having a cylindrical inner wall surface, a rotatable sleeve disposed in the housing for rotation about its own longitudinal axis, a rotor disposed in the sleeve for rotation about its own longitudinal axis, which is offset from the longitudinal axis of the sleeve, and a plurality of vanes carried by the rotor to extend in radial directions and maintained in contact with the inner surface of the sleeve to divide the interior of the sleeve into a plurality of working chambers. The rotatable sleeve is made of an Si-Al type alloy containing 12 to 25% by weight of Si. The sleeve is age hardened and provided with an anodic oxidation coating. A further coating of wear resistant resin may be provided on the outer surface of the sleeve.
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