Spring devices – Resilient shock or vibration absorber – Including energy absorbing means or feature
Reexamination Certificate
2005-07-26
2005-07-26
Siconolfi, Robert A. (Department: 3683)
Spring devices
Resilient shock or vibration absorber
Including energy absorbing means or feature
C267S140150
Reexamination Certificate
active
06921067
ABSTRACT:
A hydraulically damping mount contains a working chamber and a compensation chamber that are filled with a hydraulically damping liquid and are separated by an intermediate plate. The working chamber and the compensation chamber are interconnected by an overflow channel and a bypass channel that can be opened and closed by an actuator that can be electromagnetically actuated in the axial direction. Accordingly, the actuator is embodied as a sliding sleeve in the form of a hollow cylinder defining the bypass channel, and contains a radially protruding armature on its outer side. The armature is received in the compensation chamber. The armature co-operates with an electromagnetic coil received in the intermediate plate, and with a baffle plate for opening or closing the bypass channel. In this way, small regulating forces and a compact structure are produced.
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Graeve Arndt
Gries Jürgen
Greenberg Laurence A.
Kramer Devon
Locher Ralph E.
Stemer Werner H.
Trelleborg Automotive Technical Centre GmbH
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