Hydraulic vibration damping bushings

Details Hydraulic vibration damping bushings Hydraulic vibration damping bushings

1989-09-13

1990-07-31

Chin-Shue, Alvin C.

Supports

Resilient support

Including additional energy absorbing means, e.g., fluid or...

248559, 248636, 2671401, F16F 500

Patent

active

049444824

ABSTRACT:
The invention relates to a hydraulic vibration damping bushing comprising two tubular rigid armatures (1, 2) jointly united by an elastomeric body (3) configured in such a way to form between themselves at least two tight pockets (4, 4') communicating with each other by a narrow channel (7), which along with the pockets is filled with a liquid. One of these pockets (4) contains an elastomeric pad (10) added on the concave face of a curved rigid plate (11) which abuts on the internal face of the external armature (2), said pad being, in the resting position of the bushing, diametrically precompressed between the two armatures.

REFERENCES:
patent: 4717111 (1988-01-01), Saito
patent: 4768760 (1988-09-01), LeFop

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