Low noise permeable airfoil

Details Low noise permeable airfoil Low noise permeable airfoil

1998-10-29

2000-10-31

Look, Edward K.

Rotary kinetic fluid motors or pumps

With sound or vibratory wave absorbing or preventing means...

415208001, F01D 2504

Patent

active

061392596

ABSTRACT:
A stator airfoil is subject to wake fluid from rotor blades in a gas turbine engine. The airfoil includes a plurality of cross channels extending therethrough between opposite sides thereof for bleeding the wake fluid therebetween to reduce differential pressure thereacross and reduce noise.

REFERENCES:
patent: 2340417 (1944-02-01), Ellett
patent: 3316714 (1967-05-01), Smith et al.
patent: 5169288 (1992-12-01), Gliebe et al.
patent: 5272869 (1993-12-01), Dawson et al.
patent: 5613649 (1997-03-01), Schlinker et al.

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