Power plants – Reaction motor – Interrelated reaction motors
Reexamination Certificate
2004-12-01
2010-12-07
Cuff, Michael (Department: 3741)
Power plants
Reaction motor
Interrelated reaction motors
Reexamination Certificate
active
07845157
ABSTRACT:
A tip turbine engine (10) according to the present invention provides at least one gear (90) coupling rotation of a bypass fan (24) to an axial compressor (22), such that the axial compressor (22) is driven by rotation of the fan (24) at a rate different from than the rate of the fan. In one embodiment, the rate of rotation of the axial compressor (22) is increased relative to a rate of rotation of the fan (24). By increasing the rotation rate, the compression provided by the axial compressor is increased, while the number of stages of the axial compressor blades may be reduced. As a result, the length of the axial compressor and the overall length of the tip turbine engine are decreased.
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Merry Brian
Roberge Gary D.
Suciu Gabriel
Carlson Gaskey & Olds P.C.
Cuff Michael
Nguyen Andrew
United Technologies Corporation
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