Hydraulically damping bearing bush

Details Hydraulically damping bearing bush Hydraulically damping bearing bush

1994-02-18

1996-04-23

Oberleitner, Robert J.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

26714011, 267293, 248562, F16M 100

Patent

active

055096433

ABSTRACT:
A hydraulically damping bearing bush, particularly for motor vehicles, includes a hollow-cylindrical bearing core having ends with end surfaces and an outer tube having end surfaces. Two elastomeric support springs have a space therebetween and are disposed between the bearing core and the outer tube at the end surfaces. The support springs extend substantially radially and have inwardly curved wall portions. Elastomeric radial support lugs extend horizontally on two sides between the bearing core and the outer tube. The support lugs divide the space into upper and lower fluid-filled chambers. The chambers communicate with one another through an annular channel. A cylindrical diaphragm-like elastomeric part extends between the two support springs along the bearing core. The elastomeric support springs, support lugs and part are made as an integral molded and vulcanized part. Radially extending, bead-like stop rings are disposed on the ends of the bearing core in the vicinity of the inwardly curving wall portions.

REFERENCES:
patent: 2856035 (1958-10-01), Rohacs
patent: 4861004 (1989-09-01), Yokota
patent: 4872651 (1989-10-01), Thorn
patent: 4927123 (1990-05-01), Schwerdt
patent: 5024425 (1991-06-01), Schwerdt
patent: 5178376 (1993-12-01), Hamaeqers
patent: 5280885 (1994-01-01), Noguchi

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