Brakes – Internal-resistance motion retarder – Magnetic fluid or material
Patent
1992-04-20
1994-05-31
Graham, Matthew C.
Brakes
Internal-resistance motion retarder
Magnetic fluid or material
188320, 26714014, F16F 1518
Patent
active
053161122
ABSTRACT:
A restricted passage system is used in a vibration damping device, and comprises at least three cylindrical members concentrically arranged from each other at an interval and alternately serving as positive and negative electrodes and having a hole per each member in a position opposite to each other in diameter direction and insulation members fixed to upper and lower end portions of these members.
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patent: 4861006 (1989-08-01), Takano et al.
patent: 4893800 (1990-01-01), Tabata
patent: 4973031 (1990-11-01), Takano et al.
patent: 5148897 (1992-09-01), Vanroye
Kawamata Satoru
Kimura Takeshi
Bridgestone Corporation
Graham Matthew C.
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