Spring devices – Resilient shock or vibration absorber – Including energy absorbing means or feature
Patent
1994-11-10
1995-10-31
Oberleitner, Robert J.
Spring devices
Resilient shock or vibration absorber
Including energy absorbing means or feature
26714014, 2671411, F16M 300, F16F 700
Patent
active
054622620
ABSTRACT:
The hydraulic antivibration device is designed to be interposed between the body (9) and the engine (10) of a vehicle. It comprises an annular rigid strength member (1), a rigid rod (2) passing through the strength member, an annular spring (3) resting on the strength member and interposed between the strength member and the rod which passes through the spring, a membrane (4) carried by the strength member and co-operating with an annular wall (6) to define an enclosure disposed above the spring, an intermediate rigid partition (7) carried by the strength member and subdividing the inside of the enclosure into two chambers (A, B), a mass of liquid filling the two chambers and the narrow passage, a first disk (6) secured to the base of the annular wall, and a second disk (2.sub.1) secured to the head of the rod, and resting on the spring. A control apparatus is provided causing at will the two disks to move apart from each other axially.
REFERENCES:
patent: 4650169 (1987-03-01), Eberhard et al.
patent: 4793600 (1988-12-01), Kojima
patent: 5221078 (1993-06-01), Hartel et al.
patent: 5246212 (1993-09-01), Funahashi et al.
patent: 5267726 (1993-12-01), Takeo et al.
Hutchinson
Oberleitner Robert J.
Poon Peter M.
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