Self bleeding rotor blade

Details Self bleeding rotor blade Self bleeding rotor blade

1993-12-20

1996-01-02

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

With fluid passage in working member communicating with...

Both inlet and outlet to working fluid

416 92, F01D 518

Patent

active

054802849

ABSTRACT:
A self bleeding rotor blade and method of operation are disclosed for reducing boundary layer thickness for improved performance. The rotor blade includes an outer surface configured for pressurizing air flowable thereover with bleed apertures being disposed therein for bleeding a portion of boundary layer air from the outer surface during operation and thereby decreasing its thickness for improving aerodynamic performance of the blade.

REFERENCES:
patent: 1829674 (1931-10-01), Rosenlocher
patent: 2156133 (1939-04-01), Troller
patent: 3871791 (1975-03-01), Guy et al.
patent: 5167489 (1992-12-01), Wadia et al.

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