B - Operations – Transporting – 60 – K
Patent
B - Operations, Transporting
60
K
180/42, 267/65
B60K 5/12 (2006.01) F16F 13/10 (2006.01)
Patent
CA 1240346
TUNABLE VISCOUS SPRING MOUNT Abstract A viscous spring damper particularly adapted for supporting an automobile engine is provided. The damper comprises a first fluid chamber including a first wall portion defined by an elastomeric journal and a second fluid chamber including a second wall portion defined by an elastomeric diaphragm. A restrictor plate is inter- posed between the fluid chambers and includes a main fluid port and an auxlliary fluid port for communicating fluid between the cham- bers. First and second elastomeric flaps are oppositely disposed about the main fluid port. The flaps are selectively tensioned and spaced from the restrictor plate to seal the main fluid port against fluid flow upon deflection of the flaps against the port in response to a preselected shock amplitude and frequency. The flaps are inde- pendently tensioned and spaced from the restrictor plate to possess the capability of having distinct natural frequencies and to seal the fluid port upon distinct amplitude deflections and frequencies during damper compression and rebound. The main fluid port is sized so that the flaps may be receptively deflected into the port upon sufficient compression of a fluid chamber to substantially limit the pressure in the chamber.
484910
Imperial Clevite Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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