Spring devices – Resilient shock or vibration absorber – Including energy absorbing means or feature
Patent
1989-02-02
1989-12-12
Butler, Douglas C.
Spring devices
Resilient shock or vibration absorber
Including energy absorbing means or feature
267122, 267219, B60K 512, F16F 900, F16F 1300
Patent
active
048862525
ABSTRACT:
A hydraulically damping rubber bearing, usable as an engine mount in a motor vehicle has two end walls, between which are arranged two working chambers, both of which are filled with damping fluid and which are separated by a dividing wall in which is arranged a channel inter-connecting the working chambers with one another. The length of the channel is at least equal to the diameter of the dividing wall and its cross-section is small relative to its length. In order to make possible efficient damping of vibrations of various frequencies and amplitudes acting on the rubber bearing, the damping characteristics of the rubber bearing can be matched to the vibrations to be damped by either changing the size of the wall area or volume of the channel by intervention control from outside the bearing.
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patent: 4700933 (1987-10-01), Chikamori et al.
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patent: 4754956 (1988-07-01), Barone et al.
patent: 4759534 (1988-07-01), Hartel
patent: 4768759 (1988-09-01), Bellamy et al.
patent: 4793599 (1988-12-01), Ishioka
Butler Douglas C.
Daimler-Benz Aktiengesellschaft
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