Vehicle suspension system

Details Vehicle suspension system Vehicle suspension system

1985-01-16

1987-10-20

Reger, Duane A.

Brakes

Internal-resistance motion retarder

Position of thrust member relative to chamber

188269, F16F 934

Patent

active

047008156

ABSTRACT:
A suspension damper has a piston 20 slidable in a cylinder 10 containing fluid. A compressible gas space 45 is provided in one end of the cylinder. To permit piston movement valve controlled passages 54 provide differential resistance in opposite directions of movement and an enlongated slot 51 provides a passage without valve control and the cross section of the slot 51 is selected to vary along its length to provide variable rate damping.

REFERENCES:
patent: 670725 (1901-03-01), Pickett
patent: 1164371 (1915-12-01), Lovejoy
patent: 1794507 (1931-03-01), Thompson
patent: 1951565 (1934-03-01), Sonnett
patent: 3945663 (1976-03-01), Duckett
patent: 4131266 (1978-12-01), Carter
patent: 4226408 (1980-10-01), Tomita et al.
patent: 4311302 (1982-01-01), Heyer et al.
patent: 4411342 (1983-10-01), Katsumori et al.
patent: 4442926 (1984-04-01), Muto

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