Variable-damping-force shock absorber

Details Variable-damping-force shock absorber Variable-damping-force shock absorber

1983-01-31

1985-07-09

Stoner, Jr., Bruce H.

Brakes

Internal-resistance motion retarder

Controlled by an operator remote from retarder

188319, F16F 946

Patent

active

045276765

ABSTRACT:
A variable-damping-force shock absorber in which the motor for rotating the orifice adjuster is housed within the cylinder and the orifice-adjuster position sensor for outputting binary coded sensor signals is incorporated. Therefore, it is possible to reduce noise generated from the motor while improving the lifetime of the motor because mud or rain water will not adhere onto the motor and to improve the precision and the response speed in rotating the orifice adjuster because the adjuster can be feedback controlled in digital fashion. Further, since the driven shaft of the motor or the reduction gear is loosely coupled with the orifice adjuster in the axial direction thereof, it is possible to reduce the torque or the size of the motor, because fluid pressure is not directly applied to the driven shaft via the orifice adjuster.

REFERENCES:
patent: 2866345 (1958-12-01), Woods
patent: 3805552 (1974-04-01), Heald
patent: 3827538 (1974-08-01), Morgan

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