Switchable hydraulic vibration damping mount

Details Switchable hydraulic vibration damping mount Switchable hydraulic vibration damping mount

2006-05-02

2006-05-02

Torres, Melanie (Department: 3683)

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

C267S122000

Reexamination Certificate

active

07036803

ABSTRACT:
The present invention relates hydraulic mounts for mounting between two rigid elements, such as an engine and a vehicle frame, so as to damp and filter vibrations occurring essentially in a main direction, between said elements, the mount comprising:first and second brackets intended to be fixed respectively to the first and second rigid elements,a primary elastomeric member connecting the first and second brackets,a rate chamber having a volume filled with fluid and delimited with a secondary elastomeric member having at least a first and a second walls movable respectively with said first and second brackets when said first and second brackets moves one with regard to the other,at least one bellow communicating with said rate chamber, each bellow and the rate chamber being able to bulge independently of the primary elastomeric member deformation, anda selectively operable control valving unit for controlling the fluid motion between said rate chamber and each bellow.

REFERENCES:
patent: 4690389 (1987-09-01), West
patent: 5098072 (1992-03-01), Muramatsu et al.
patent: 6592110 (2003-07-01), Takashima et al.
patent: 2002/0185797 (2002-12-01), Someya et al.

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