Hydraulically damped mount

Details Hydraulically damped mount Hydraulically damped mount

1990-08-01

1991-10-22

Butler, Douglas C.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

267219, F16F 1300

Patent

active

050588664

ABSTRACT:
A hydraulically damped mount includes both a fluid overflow opening (6) and a damping opening (5) arranged in parallel between a fluid working chamber (4) and an equalizing chamber (7). In the overflow opening (6) there is provided a pressure relief valve (8) which can be activated by the differential pressure between the working chamber and the equalizing chamber. This valve contains a control element (10) and an opposing counter stop (11) which the control element can contact with a tight fit and which it can pass by in case of excess pressure. When inactive, the control element (10) is spaced apart from the counter stop (11) at such a distance that a contact with the counter stop (11) is impossible when acoustically active vibrations are introduced.

REFERENCES:
patent: 4768760 (1988-09-01), Le Fol
patent: 4883260 (1989-11-01), Kanda
patent: 4896868 (1990-01-01), Thelamon et al.

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