Spring devices – Resilient shock or vibration absorber – Including energy absorbing means or feature
Patent
1988-04-04
1990-03-20
Halvosa, George E. A.
Spring devices
Resilient shock or vibration absorber
Including energy absorbing means or feature
138 30, 138 43, 180312, 248562, 248636, F16F 1300
Patent
active
049094904
ABSTRACT:
Elastic anti-vibration isolation apparatus with integrated hydraulic damping, consisting of a thick conical membrane of elastomer compound bonded to internal and external rigid frames, and crimped in a casing containing a damping liquid, characterized by the fact that the rigid partition which separates the variable volume chamber from the expansion space has a passage for the damping liquid realized in one or two parts, the dimensions of which can be adjusted by grinding or lathe-working at least one of the components, base or cover, of the rigid partition, or by the insertion of shims between the constituent parts, thereby making it possible, using a set of similar components, to realize a range of elastic mountings with damping characteristics adapted to desired utilization frequencies.
REFERENCES:
patent: 4618128 (1986-10-01), Hartel et al.
patent: 4681306 (1987-07-01), Hofmann et al.
patent: 4699099 (1987-10-01), Arai et al.
patent: 4709898 (1987-12-01), Yoshida et al.
patent: 4754956 (1988-07-01), Barone et al.
Caoutchouc Manufacture et Plastiques
Halvosa George E. A.
Ljungman Thomas N.
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