Spring devices – Resilient shock or vibration absorber – Including energy absorbing means or feature
Patent
1986-05-16
1988-05-10
Reger, Duane A.
Spring devices
Resilient shock or vibration absorber
Including energy absorbing means or feature
188320, F16F 500
Patent
active
047429992
ABSTRACT:
A vibration isolator of the type having opposed fluid filled chambers separated by a partition having an elongate inertia track passageway providing fluid communication between the chambers is provided with a decoupler disc and cage configuration which attenuates noise and minimizes leakage while providing a relatively low minimum dynamic stiffness at a predetermined high excitation frequency. The decoupler disc has an edge configuration which cooperates with its cage to permit flexure only about peripheral fulcrums. Decoupler disc displacement inwardly of its peripheral fulcrums is progressively arrested by shapes provided on opposite sides of the decoupler disc and confronting cage structure.
REFERENCES:
patent: 4159091 (1979-06-01), LeSalver et al.
patent: 4422779 (1983-12-01), Hamaekers et al.
patent: 4469316 (1984-09-01), van den Boom et al.
patent: 4568069 (1986-02-01), Poupard
patent: 4621795 (1986-11-01), Eberhard et al.
SAE Technical Paper Series #850975--Understanding Hydraulic Mounts for Improved Vehicle Noise, Vibration and Ride Qualities Author--Wallace C. Flower/Date: May 15-17, 1985.
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