Land vehicles – Wheeled – Running gear
Patent
1990-03-19
1991-10-01
Marmor, Charles A.
Land vehicles
Wheeled
Running gear
280708, 280711, 280709, 188269, 188314, 267256, 267 6413, B60G 1130, B60G 1512
Patent
active
050527126
ABSTRACT:
An active, frequency damping suspension system for vehicles having a chassis and at least one axle comprises a pneumatic spring connected mechanically between the vehicle axle and the vehicle chassis to absorb vertical movements of the vehicle axle and prevent them from being transmitted to the chassis, a hydraulic shock absorber connected between the vehicle axle and the vehicle chassis to dampen the vertical movements of the vehicle axle, and a pressure accumulator in fluid communication with the air spring or in fluid communication with both the air spring and the hydraulic shock absorber for enhancing the cushioning effect of the air spring on vertical movements of the vehicle axle and enhancing the dampening effect of the shock absorber on vertical movements of the axle.
REFERENCES:
patent: 2937034 (1960-05-01), Largen
patent: 2987310 (1961-06-01), Ord
patent: 3008729 (1961-11-01), Muller et al.
patent: 3025076 (1962-03-01), Davies
patent: 3848862 (1974-11-01), Ito et al.
patent: 4206934 (1980-06-01), McKee
patent: 4345773 (1982-08-01), Brown
patent: 4761020 (1988-08-01), Eckel
Marmor Charles A.
Tyson Karin
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