Electro-rheological shock absorber

Details Electro-rheological shock absorber Electro-rheological shock absorber

1991-12-06

1992-11-10

Oberleitner, Robert J.

Brakes

Internal-resistance motion retarder

Magnetic fluid or material

1375143, 137409, 188300, 188318, 188299, F16F 946

Patent

active

051616530

ABSTRACT:
An electro-rheological controlled shock absorber for use on motor vehicles is disclosed. The shock absorber employs a fluid filled cylinder, a piston member traveling in the cylinder, and an electro-rheological valve controlling the passage of fluid through the cylinder. In one embodiment of the present invention, the electro-rheological valve is placed in a by-pass passage to control the flow of fluid therethrough. In another embodiment of the present invention, the electro-rheological valve is placed in the piston to control the flow of fluid. The present invention is well adapted for use with all forms of shock absorbers.

REFERENCES:
patent: 2781869 (1951-03-01), Boehm et al.
patent: 4342884 (1982-08-01), Ban et al.
patent: 4768627 (1988-09-01), Taylor
patent: 4858733 (1989-08-01), Noguchi et al.
patent: 4896752 (1990-01-01), Shtarkman
patent: 4960188 (1990-10-01), Wossner
patent: 4993523 (1991-02-01), Schwemmer
patent: 5000299 (1991-03-01), Goto et al.
patent: 5029677 (1991-07-01), Mitsui

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