Spring devices – Resilient shock or vibration absorber – Including energy absorbing means or feature
Patent
1990-06-28
1992-02-18
Halvosa, George E. A.
Spring devices
Resilient shock or vibration absorber
Including energy absorbing means or feature
180312, 188267, 248562, 248636, 267219, F16F 1300, F16F 600
Patent
active
050886991
ABSTRACT:
An engine mount includes a main working chamber and an expansion chamber. Orifice passages in which electrodes are disposed, fluidly connect the main and expansion chambers. An auxiliary chamber which is hermetically separated from the main working chamber by a flexible partition is in part defined by a diaphragm the external surface of which is exposed to atmospheric pressure. The auxiliary chamber contains an ERF which develops a higher viscosity than the ERF which fills the main and expansion chambers. When a voltage is impressed on electrodes in the auxiliary chamber the viscosity of the ERF increases and the flexure of the flexible elastomeric partition is prevented.
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Halvosa George E. A.
Nissan Motor Company Limited
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