Hydraulic antivibration mounts for damping oscillations in rigid

Details Hydraulic antivibration mounts for damping oscillations in rigid Hydraulic antivibration mounts for damping oscillations in rigid

1992-04-08

1993-10-12

Graham, Matthew C.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

267219, F16F 1300

Patent

active

052518841

ABSTRACT:
A hydraulic antivibration mount comprises two rigid tubular endpieces (1, 2) one surrounding the other, the endpieces being connected together by an elastomer body (3) shaped so as to form together therewith two diametrically opposite liquid-tight pockets (A, B) that communicate with each other via a narrow channel (7), said pockets and said channel being filled with a damping liquid, the narrow channel (7) being delimited on the outside by the inside cylindrical face (10) of the central portion of the inner tubular endpiece (1) and being delimited on the inside by a groove (8) formed in the outer cylindrical face of a ring (9). The inner tubular endpiece is shaped so as to present both an axial inlet (13) that is large enough to provide access to the ring (9) and a cylindrical housing (10) at the end of said inlet and suitable for receiving said ring as a force-fit.

REFERENCES:
patent: 4605207 (1986-08-01), Konishi
patent: 4768760 (1988-09-01), LeFol
patent: 4771990 (1988-09-01), Domer et al.
patent: 4869475 (1989-09-01), Bouhier

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