Hydraulic antivibration support sleeves

Details Hydraulic antivibration support sleeves Hydraulic antivibration support sleeves

1996-01-02

1998-01-27

Poon, Peter M.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

267293, 2671414, F16F 700

Patent

active

057115133

ABSTRACT:
The sleeve comprises two tubular rigid strength members (4,5) where one surrounds the other and where they are united by an elastomer body (6) shaped so as to co-operate therewith to form two sealed cavities (7,8) that communicate with each other via a narrow channel (9), the cavities and the channel being completely filled in a liquid, the portion of the elastomer body that defines at least one of the cavities having a generally U-shaped or V-shaped axial section that is outwardly open in a radial direction, and the narrow channel extending along an arc of a circle disposed at an axial end of the sleeve, close to its outer strength member (5). The outer strength member forms an integral portion of a rigid connection arm (11), and the narrow channel is defined in part by a radial flange (16) of a cage (15) received in the outer strength member.

REFERENCES:
patent: 4822010 (1989-04-01), Thorn
patent: 4840359 (1989-06-01), Hamaekers et al.
patent: 4944482 (1990-07-01), Bouhier et al.
patent: 5013012 (1991-05-01), Jouade
patent: 5088702 (1992-02-01), Thelamon et al.
patent: 5092565 (1992-03-01), Hamaekers et al.
patent: 5102106 (1992-04-01), Thelamon et al.
patent: 5169130 (1992-12-01), Thelamon et al.
Patent Abstracts of Japan, vol. 14, No. 373, Appln. No. 63-216165, Tsukasa Oshima

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