Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Vane or deflector
Patent
1987-05-18
1988-12-13
Garrett, Robert E.
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
Vane or deflector
F04D 2944
Patent
active
047907207
ABSTRACT:
Efficiences and surge margins may be improved in a turbine engine utilizing a radial discharge centrifugal compressor having a rotor 10 including a hub 13 mounting a plurality of compressor blades 14, each having a radially outward discharge end 18a hub side 20 and an opposite free edge 22an annular shroud 24, 26 in adjacency to the free edges 22, and an annular diffuser 30 about the rotor 10 in adjacency to the shroud 26 and having an annular inlet 34 facing the discharge ends 18 along with a remote outlet and a series of elongated diffuser blades 36 in a circular pattern and in spaced relation about the annular inlet 34 by providing that the diffuser blades 36 have shallow angles at their leading edges 38 in low velocity areas and larger angles at their leading edges 38 in the higher velocity areas.
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Garrett Robert E.
Pitko Joseph M.
Sundstrand Corporation
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