Hydraulically damping elastic bearing

Details Hydraulically damping elastic bearing Hydraulically damping elastic bearing

1989-05-26

1990-09-25

Reger, Duane A.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

267219, F16F 500

Patent

active

049588117

ABSTRACT:
A hydraulically damping elastic bearing comprises an outer tubular member and an inner tubular member disposed radially inwardly of the outer tubular member to be separated therefrom. An elastic member is disposed between the inner and outer tubular members and has at least one chamber filled with a damping medium. At least one elastic radial stop is mounted to extend at least partially from the outer tubular member toward the inner tubular member. The elastic radial stop is disposed outside of and displaced from the chamber of the elastic member. Such an elastic radial stop may be resiliently deformed to produce a radial force on the inner tubular member and the outer tubular member by a wedge which is disposed between an extended end of the elastic radial stop and the inner tubular member. Alternatively, the extended end may be radially spaced from the inner tubular member by a predetermined radial distance and a different wedge may be disposed between the extended end and the inner tubular member. The wedge can have a radial height that is less than the predetermined radial distance. As a result, the wedge may simply limit a movement of the extended end toward the inner tubular member prior to any resilient deformation of the elastic radial stop.

REFERENCES:
patent: 3698703 (1972-10-01), Hipsher
patent: 4700934 (1987-10-01), Andra et al.
patent: 4771990 (1988-09-01), Domer et al.
patent: 4817926 (1989-04-01), Schwerdt

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