Brakes – Internal-resistance motion retarder – Magnetic fluid or material
Patent
1990-08-31
1991-05-14
Reger, Duane A.
Brakes
Internal-resistance motion retarder
Magnetic fluid or material
123 9011, 18832215, 280707, F16F 930, F16F 934
Patent
active
050148290
ABSTRACT:
An electro-rheological shock absorber. The invention comprises a generally cylindrical inner casing holding an electro-rheological fluid; a reciprocating arm means attached at one end of the cylindrical casing; a dampening plunger member coupled to said arm and extending into said electro-rheological fluid, said dampening plunger being perforated to permit the flow of electro-rheological fluid therethrough; and electrode means coupled to said perforated member for generating an electric field within said perforated member such that said electro-rheological fluid within said perforated member solidifies, whereby said plunger applies a compressive fluid force against said fluid so as to provide a dampening force. In an alternative embodiment, the unique electrode configuration of the present invention are utilized in a shock absorber having a by-pass conduit.
An alternative embodiment utilizes the conventional design of original shock absorbers and employs the shock absorber oil as the working fluid; the conventional flap valves, or other valves, are replaced by electrified self contained electro-rheological control valves, each containing the unique electrode configuration of the present invention, to control the oil flow through valves in the conventional dampening plunger and/or a similar valve located between the working chamber and a reserve/expansion chamber.
REFERENCES:
patent: 2778259 (1957-01-01), Moir
patent: 3277874 (1965-08-01), Wagner
patent: 3304925 (1966-06-01), Rhoads
patent: 3490423 (1970-01-01), Shunta et al.
patent: 3742921 (1973-07-01), Rendine
patent: 3809033 (1974-05-01), Cartledge
patent: 3817228 (1974-06-01), Bywater
patent: 3964455 (1976-06-01), Brown
patent: 4133332 (1979-01-01), Benson et al.
patent: 4161306 (1979-07-01), Brune et al.
patent: 4258671 (1981-03-01), Takizawa et al.
patent: 4393832 (1983-07-01), Samuel et al.
patent: 4452187 (1984-06-01), Kosuda et al.
patent: 4485780 (1984-12-01), Price et al.
patent: 4700678 (1987-10-01), Elliott
patent: 4744914 (1988-05-01), Filisho et al.
patent: 4772407 (1988-09-01), Carlson
patent: 4858733 (1989-08-01), Noguchi et al.
Electro-Rheological Fluid Devices Near Commerical Stage, Scott and Yamaguchi, Automotive Engineering, Nov. 1985.
Electro-Rheological Fluids & Devices, Automotive Engineering, Dec. 1988.
"Inventors: Got a Use for Liquid that Turns Solid?" Williams, Automotive Industries, vol. 167, p. 28, Jan. 1987.
LandOfFree
Electro-rheological shock absorber does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Electro-rheological shock absorber, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electro-rheological shock absorber will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1642124