Dynamic vibration attenuator utilizing inertial fluid

Details Dynamic vibration attenuator utilizing inertial fluid Dynamic vibration attenuator utilizing inertial fluid

1985-02-22

1987-02-10

Britts, Ramon S.

Supports

With condition responsive control means

248562, 2671401, F16M 1300

Patent

active

046418083

ABSTRACT:
The attenuator has a chamber filled with hydraulic fluid and bordered by a diaphragm effective to impart oscillatory movement to a slug of such fluid. During high frequency excitation the inertial forces of the oscillating fluid slug minimize the dynamic stiffness of the attenuating device. The particular excitation frequency at which the foregoing occurs is controlled by an annular tuning plate or assembly disposed in non-engaging relationship to the diaphragm and having an opening which may be adjustable in size either automatically or manually.

REFERENCES:
patent: 3125186 (1964-03-01), Day
patent: 3399747 (1968-09-01), Westwell et al.
patent: 4392639 (1983-07-01), Konishi
patent: 4401298 (1983-08-01), Eaton et al.
patent: 4418897 (1983-12-01), Hartel et al.
patent: 4469316 (1984-09-01), Vanden Boom et al.
patent: 4511126 (1985-04-01), Bernuchon et al.

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