Vibration isolation system

Details Vibration isolation system Vibration isolation system

1980-10-29

1983-09-20

Barefoot, Galen L.

Aeronautics and astronautics

Aircraft, heavier-than-air

Helicopter or auto-rotating wing sustained, i.e., gyroplanes

416500, 188380, 248555, 248559, 248638, B64C 2704, F16F 710

Patent

active

044051018

ABSTRACT:
A vibration isolation system in which a supported body is supported from a vibration excitation body which is prone to vibrate at a predominant frequency and to impart such vibratory forces and motions to the supported body. The isolation system is of the antiresonant type and operable to provide vibration force and motion isolation of the supported body from the vibration excitation body both axially along and rotationally about three mutually perpendicular axes, thereby giving the supported body six degrees of vibration isolation from the vibration excitation body.

REFERENCES:
patent: 1973510 (1934-09-01), Schieferstein
patent: 2744749 (1956-05-01), Fiedor
patent: 3845917 (1974-11-01), Drees
patent: 4088042 (1978-05-01), Desjardius et al.
patent: 4140028 (1979-02-01), Desjardius
patent: 4222709 (1980-09-01), Mouille
Jones et al., "Advanced Development of a Helicopter Rotor Isolation System for Improved Reliability", USAAMRDL-TR-77-23A, DEC. 1977.
Desjardius et al., "Helicopter Rotor Vib. Iso.", 1978, Vertica, vol. 2, No. 2, pp. 145-159.

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