Hydraulic antivibration supports, and to methods of manufacturin

Details Hydraulic antivibration supports, and to methods of manufacturin Hydraulic antivibration supports, and to methods of manufacturin

1995-04-24

1996-08-20

Young, Lee

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

267293, 248562, F16M 500

Patent

active

055471722

ABSTRACT:
A hydraulic antivibration support includes an inner rigid strength member and an outer rigid strength member which are interconnected by an elastomer body. At least two liquid-filled chambers are defined, at least in part, by the elastomer body and are interconnected via at least one narrow channel. The elastomer body includes a central portion having at least two support arms that extend radially between the inner strength and the outer strength member. The support arms are adapted to support an axial load and enable relative axial motion between the two strength members. Each of the support arms is disposed between two of the chambers. The elastomer body further includes respective flexible walls defining the inside of each chamber, each flexible wall having two lateral edges that extend axially and each of which is connected to a support arm in the vicinity of the outer strength member. Each flexible wall is separated from the central portion of the elastomer body by a slot that extends between the two lateral edges of the flexible wall.

REFERENCES:
patent: 4157227 (1979-06-01), Hadle
patent: 4840359 (1989-06-01), Hamaekers et al.
patent: 4848756 (1989-07-01), Funahashi et al.
patent: 4936556 (1990-06-01), Makibayashi et al.
patent: 4953833 (1990-09-01), Schmidt et al.
Patent Abstracts of Japan; vol. 15, No. 457 (M-1181) 20 Nov. 1991 & JP-A-03 194 237 (Nissan Motor Co Ltd) *abstract*.
Patent Abstracts of Japan; vol. 14, No. 331 (M-999) (4274) 17 Jul. 1990 & JP-A-02 113 137 (Bridgestone Corp) 25 Apr. 1990 *abstract*.
Patent Abstracts of Japan; vol. 12, No. 182 (M-702) (3029) 27 May 1988 & JP-A-62 292 941 (Marugo Rubber Kogyo KK) 19 Dec. 1987 *abstract*.

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