Spring devices – Vehicle – Comprising compressible fluid
Patent
1991-05-30
1993-01-19
Halvosa, George A.
Spring devices
Vehicle
Comprising compressible fluid
188267, 188298, 26714014, F16F 904
Patent
active
051801450
ABSTRACT:
A vibration damping device is comprised of first and second axially spaced end housings adapted to be mounted on spaced apart structures, and has a tapered intermediate member mounted on the second housing converging toward an open end of the first housing. A piston is mounted on an end of a rod which is connected to the first housing and extends through a bore formed in the intermediate member and forms a restricted flow orifice extending between the spaced apart housings. A pair of elastomeric sleeves extend between the intermediate portion and the piston and the first housing to form a pair of fluid chambers connected by the orifice. An elongated electrode preferably contacts an electrorheological fluid flowing between the chambers through the orifice. The tapered intermediate member is nestable within the interior of the first housing when the device is in a jounce condition and the tapered piston is nestable within the interior of the intermediate member when the device is in a rebound condition to provide a compact damping device without sacrificing stroke length, and which enables the length of the electrode to be independent of the stroke length.
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Continuously Adjustable Shock Absorbers for Rapid-Acting Ride Control Systems (RCS)--pp. 37-46.
Rensel John D.
Watanabe Isao
Weitzenhof David A.
Bridgestone Corporation
Halvosa George A.
Ruf Ernst H.
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