Pinned root turbine blade providing maximum friction damping

Details Pinned root turbine blade providing maximum friction damping Pinned root turbine blade providing maximum friction damping

1977-01-21

1979-01-23

Husar, C. J.

Rotary kinetic fluid motors or pumps

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

416217, 416500, F01D 514

Patent

active

041358490

ABSTRACT:
A pinned root blade having a predictable center of rotation when tangentially oscillated and also having a predetermined, axial contact surface which is engageable with a rotatable rotor and which is disposed about the center of rotation in such manner as to provide maximum friction damping of the tangential oscillations.

REFERENCES:
patent: 1289278 (1918-12-01), Schmidt
patent: 1345642 (1920-07-01), Schmidt
patent: 1362074 (1920-12-01), Baumann
patent: 2625366 (1953-01-01), Williams
patent: 2635848 (1953-04-01), McDowell
patent: 2790620 (1957-04-01), Rankin
patent: 2999668 (1961-09-01), Howald et al.
patent: 3043563 (1962-07-01), Gray et al.
patent: 3554668 (1971-01-01), Wagle

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