Vibration damping device, especially for a blade of a turbojet e

Details Vibration damping device, especially for a blade of a turbojet e Vibration damping device, especially for a blade of a turbojet e

1982-06-25

1984-06-12

Phillips, Charles E.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received in well or slot

416500, F01D 510

Patent

active

044538910

ABSTRACT:
A device is disclosed for vibration damping, especially in fans of turbojets. The root engaged inside a rotor support disk slot is kept against the upper walls of the slot under the exertion of pressure acting on the lower side of the blade root due to the present device. The device includes a torsion bar which is placed beneath the root of the blade and of which one of the ends is attached to a cam resting against the base of the root of the blade. The other end of the torsion bar is provided with a cam inserted on said bar against the base of the root of the blade under stress that was previously conveyed to the bar.

REFERENCES:
patent: 3266770 (1966-08-01), Harlow
patent: 3598503 (1971-08-01), Muller
patent: 3723023 (1973-03-01), Crick
patent: 4088421 (1978-05-01), Hoeft

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