Remote controlled vehicle damper

Details Remote controlled vehicle damper Remote controlled vehicle damper

1989-11-30

1994-04-26

Butler, Douglas C.

Brakes

Internal-resistance motion retarder

Controlled by an operator remote from retarder

18832215, 18832222, 188319, 280707, F16F 946

Patent

active

053058607

ABSTRACT:
A variable damping shock absorber is disclosed. The shock absorber has a two-wire electrical lead extending into the piston rod. The electrical energy provided by the lead drives a drive motor, which rotates in alternating directions depending on the setting of an internal switch that switches upon occurrence of voltage spike, which occurs when the motor has driven an internal rotatable valve as far as the valve can go within the confines of rotation permitted by the valving. The drive motor then drives an internal valve between an open and closed position, which in turn opens and increases, or closes or reduces, a path in fluid flow from one cavity to another as the piston moves within the shock absorber.

REFERENCES:
patent: 4527676 (1985-07-01), Emura et al.
patent: 4620619 (1986-11-01), Emura et al.
patent: 4635765 (1987-01-01), Schmidt
patent: 4671392 (1987-06-01), Wossner
patent: 4729459 (1988-03-01), Inagaki et al.
patent: 4754855 (1988-07-01), Kuwara et al.
patent: 4789051 (1988-12-01), Kruckemeyer et al.
patent: 4865148 (1989-09-01), Marumoto et al.
patent: 4926983 (1990-05-01), Taubitz et al.

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