Electrorheological fluid-applied apparatus, electrorheological f

Details Electrorheological fluid-applied apparatus, electrorheological f Electrorheological fluid-applied apparatus, electrorheological f

1992-02-05

1993-12-07

Oberleitner, Robert J.

Brakes

Internal-resistance motion retarder

Magnetic fluid or material

267136, 248550, 248636, F16F 1503

Patent

active

052676331

ABSTRACT:
A positive electrode and a negative electrode are disposed in face-to-face relation to allow a distance between the electrodes to change, and an electrorheological fluid is filled between the electrodes. When an external force is applied to the electrorheological fluid via the electrodes, a normal stress occurs in the electrorheological fluid. This normal stress is greater than a shearing stress occurring in the electrorheological fluid, and an area in which displacement is proportional to the stress is large. Hence, the electrorheological fluid is applicable to various apparatuses such as a vibration controller and a fixing apparatus.

REFERENCES:
patent: 3986411 (1976-10-01), Kirby
patent: 4679775 (1987-07-01), Funaki et al.
patent: 4773632 (1988-09-01), Hartel
patent: 4921272 (1990-05-01), Ivers
patent: 5020781 (1991-06-01), Huang

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