Metal working – Method of mechanical manufacture – Prime mover or fluid pump making
Reexamination Certificate
2008-01-15
2008-01-15
Cozart, Jermie E. (Department: 3726)
Metal working
Method of mechanical manufacture
Prime mover or fluid pump making
C029S458000
Reexamination Certificate
active
07318275
ABSTRACT:
A compressor has a housing assembly and at least one rotor held by the housing assembly for rotation about a rotor axis. The rotor has a first face and a first housing element has a second face in facing spaced-apart relation to the first face of the rotor. One or more spacer elements are positioned from the first housing element. The spacer elements are machined. A coating is applied over the first surface around the one or more spacer elements.
REFERENCES:
patent: 3632240 (1972-01-01), Dworak
patent: 4225295 (1980-09-01), Shimizu et al.
patent: 4717322 (1988-01-01), Masuda et al.
patent: 6506038 (2003-01-01), Sjoholm et al.
patent: 6783338 (2004-08-01), Moroi et al.
patent: 06 280764 (1994-10-01), None
Bachman & LaPointe P.C.
Carrier Corporation
Cozart Jermie E.
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