Spring devices – Resilient shock or vibration absorber – Including energy absorbing means or feature
Patent
1992-07-31
1993-12-28
Graham, Matthew C.
Spring devices
Resilient shock or vibration absorber
Including energy absorbing means or feature
267219, F16F 1300, B60K 512
Patent
active
052732630
ABSTRACT:
A controllable rubber bearing with a hydraulic damping device, in which a fluid-filled working space is limited by a plate of magnetizable material. The plate is supported on a spring at least partially. The plate can be moved back and forth in the direction of the working space, as a function of preset parameters, using a magnet system. The support element comprises at least two opposite partial elements at least within the axial expanse of the magnet coil, which are separated from one another by an electrically insulating layer. The insulating layer extends parallel to the direction of motion of the plate and is essentially perpendicular to at least one groove of the support element, which can be made of soft iron or a moldable magnetizable material.
REFERENCES:
patent: 4759534 (1988-07-01), Hartel
patent: 4793599 (1988-12-01), Ishioka
patent: 4893800 (1990-01-01), Tabata
patent: 4973031 (1990-11-01), Takano et al.
patent: 5000299 (1991-03-01), Goto et al.
patent: 5042786 (1991-08-01), Freudenberg et al.
Freudenberg Tillman
Freudenberg Ulrich
Firma Carl Freudenberg
Graham Matthew C.
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