Damper with internally powered selective ride valving

Details Damper with internally powered selective ride valving Damper with internally powered selective ride valving

1987-06-08

1988-12-06

Butler, Douglas C.

Brakes

Internal-resistance motion retarder

Controlled by an operator remote from retarder

188319, 18832222, F16F 946, F16F 918

Patent

active

047890517

ABSTRACT:
A hydraulic damper for adjusting the damping force which incorporates a piston operatively for stroking movement within a cylinder and partitioning the cylinder into separate chambers with first fluid flow control valving interconnecting said chambers for determining said damping force of said unit and fluid bypass passage extending through said neck portion of said piston for controlling the effective passage area of the bypass passage and generating a family of curves for controlling and selecting the damping force of the damper.

REFERENCES:
patent: 3827538 (1974-08-01), Morgan
patent: 4175771 (1979-11-01), Muzechuk et al.
patent: 4376472 (1983-03-01), Heyer et al.
patent: 4463839 (1984-08-01), Ashiba
patent: 4526401 (1985-07-01), Kakizaki et al.
patent: 4576258 (1986-03-01), Spisak et al.
patent: 4620619 (1986-11-01), Emura et al.
patent: 4682675 (1987-07-01), Eddy, Jr.
patent: 4685545 (1987-08-01), Fannin et al.

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