Hydraulic anti-vibration sleeves

Details Hydraulic anti-vibration sleeves Hydraulic anti-vibration sleeves

1991-11-12

1993-04-06

Graham, Matthew C.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

267220, F16F 1300

Patent

active

051996910

ABSTRACT:
A hydraulic anti-vibration sleeve includes two coaxial rigid tubular membvers that are interconnected by an elastomer body (3) which co-operates therewith to form two diametrically opposite watertight pockets that intercommunicate via a narrow channel (Z), both pockets and the channel being filled with a liquid, the axial section of the portion of the body defining one of the pockets being U-shaped or V-shaped and open radially outwards, and being bonded to two rigid annular section members (8, 9) , with the axially central portion of the body forming two radial arms (6). The narrow channel (Z) comprises, in series: two lengths (10, 11) belonging to respective ones of the two annular section members (8, 9); and a connection (12) interconnecting the two lengths and axially disposed at the outside edge of one of the radial arms (6).

REFERENCES:
patent: 4702346 (1987-10-01), Uno et al.
patent: 4763884 (1988-08-01), Matsui et al.
patent: 4840359 (1989-06-01), Hamaekers et al.
patent: 4895353 (1990-01-01), Roth et al.
patent: 4896868 (1990-01-01), Thelamon et al.
patent: 4962915 (1990-10-01), Thorn
patent: 5013012 (1991-05-01), Jouade
patent: 5040774 (1991-08-01), Veverka et al.
patent: 5098072 (1992-03-01), Muramatsu et al.

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