Blade, especially a rotor blade

Details Blade, especially a rotor blade Blade, especially a rotor blade

1988-06-10

1989-09-05

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

With fluid passage in working member communicating with...

Discharge solely at periphery normal to rotation axis

4151731, 415115, F04D 2916, F01D 520

Patent

active

048633488

ABSTRACT:
A rotor blade particularly adapted for turbine engines includes various injection holes on the blade tip and near the blade tip and on the root plane and near the root plane so directed as to reduce the tip leakage flow crossing the tip and to control the boundary layer by means of fluid curtain and entrainment effects.

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patent: 4335995 (1982-06-01), Riollet et al.
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patent: 4540339 (1985-09-01), Horvath
patent: 4571937 (1986-02-01), Albers
patent: 4589823 (1986-05-01), Koffel
patent: 4601638 (1986-07-01), Hill et al.
patent: 4606701 (1986-08-01), McClay et al.
patent: 4653983 (1987-03-01), Vehr

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