Gm Global Technolgoy Operations, Inc.

Delphi Technologies, Inc.

David Joseph Koester

Herbert Stanley Summers, Iii

Frederick Clem Miller

Michael G Zimmerman

Garry M Guthrie

Robert D Milos, Iii

A vibration isolation mount particularly usefull for a hydraulic automotive vehicle braking system includes a shear mount, a rate washer, and a bolt and nut for clamping the shear mount and rate washer together and to the vibrating member. The shear mount is shaped to engage an opening in a support structure, such as a mounting bracket, and thereby connect the vibrating member to the support. In automotive applications, the mount reduces the amount of noise and vibration that is transmitted to the passenger compartment over prior art mounting systems while restricting travel of the accumulator plate with respect to the vehicle bracket within predetermined limits.

Vibration isolation mount

In a hydraulic mount the use of multiple primary orifices with unequal area reduces the effects of rapid transitions in dynamic rigidity and the amplitude of impulsive vibration generated thereby. This invention's reduced impulsive vibration has lead to the substantial elimination of mode transition related noise in associated vehicle structures in the 200 Hz to 500 Hz range.

Hydraulic engine mount with reduced impulse vibration

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Miamisburg, OH, United States of America

David Joseph Koester