Variable-resilience engine mount having a rubber spring element

Details Variable-resilience engine mount having a rubber spring element Variable-resilience engine mount having a rubber spring element

1992-05-12

1994-04-05

Graham, Matthew C.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

26714012, F16F 908

Patent

active

052997898

ABSTRACT:
In a variable-resilience engine mount a top member rests on two rubber spring elements which, in turn, rest on a parallel base. An ancillary component deactivates one of the spring elements when necessary. A first, outer spring element extends axially at least part-way up the second, inner spring element. The second spring element has a cavity at its center. A fluid can be injected into the cavity to inflate and expand the second spring element. The cavity will continue to inflate, making the mount less resilient as more fluid is injected, until it is stopped by a reinforcement surrounding it.

REFERENCES:
patent: 4352487 (1982-10-01), Shtarkman
patent: 4392634 (1983-07-01), Konishi
patent: 4650169 (1987-03-01), Eberhard et al.
patent: 4867263 (1989-09-01), Sugino et al.
patent: 4886251 (1989-12-01), Haussermann

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