Hydraulically damping rubber engine mount

Details Hydraulically damping rubber engine mount Hydraulically damping rubber engine mount

1993-04-30

1994-09-13

Oberleitner, Robert J.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

267 35, 2671412, F16F 700

Patent

active

053461916

ABSTRACT:
Hydraulically damping rubber engine mount comprising an inner tube (1) and an outer tube (2) surrounding the inner tube at a radial distance therefrom, the tubes being joined together by a rubber-elastic cushion (3) having two liquid-filled working chambers (4, 5) separated from one another by a dividing wall (6) capable of vibration and are joined to one another by at least one connecting passage (7). A gas-filled cavity (8) is disposed within the first working chamber (4) and defined by inflatable walls which have in at least a partial area an opening to the atmosphere and are surrounded at least partially by the working chamber.

REFERENCES:
patent: 4342446 (1982-08-01), Eaton et al.
patent: 4352487 (1982-10-01), Shtarkman
patent: 4872650 (1989-10-01), Tabata et al.
patent: 4895353 (1990-01-01), Roth et al.
patent: 5044813 (1991-09-01), Gregg
patent: 5098072 (1992-03-01), Muramatsu et al.

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