Metal working – Method of mechanical manufacture – Impeller making
Reexamination Certificate
2006-04-21
2008-01-29
Look, Edward K. (Department: 3745)
Metal working
Method of mechanical manufacture
Impeller making
C029S401100, C415S199500
Reexamination Certificate
active
07322101
ABSTRACT:
A gas turbine engine rotor stack may be engineered or reengineered to include one or more longitudinally outwardly concave spacers. The spacers may provide a longitudinal compression force that increases with rotational speed.
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European Search Report for EP Patent Application No. 05252294.3.
Norris James W.
Suciu Gabriel L.
Bachman & LaPointe P.C.
Look Edward K.
United Technologies Corporation
Wiehe Nathan
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