Vehicle suspension system

Details Vehicle suspension system Vehicle suspension system

1984-02-02

1986-07-08

Love, John J.

Land vehicles

Wheeled

Running gear

188299, 267 6421, B60G 1126

Patent

active

045989290

ABSTRACT:
When an automobile or other vehicle travels over a bump with a suspension in its switchable suspension system kept in a "soft" state, the car body pitches violently. This pitching is reduced by turning the suspension into a "hard" state by increasing the damping capacity of its shock absorber and the spring constant of its air-spring chambers in accordance with a signal supplied from a car-height sensor detecting the compressed or stretched condition of the suspension. The change of the spring constant is executed with the following construction: an auxiliary air-spring chamber resting above a main air-spring chamber surrounding a piston rod, and an air passage within the piston rod for intercommunicating the main and auxiliary air-spring chambers are provided in the system, and the connection and disconnection between the two chambers through the air passage are controlled by the piston rod and a control rod extending in the piston rod.

REFERENCES:
patent: 3954257 (1976-05-01), Keijzer et al.
patent: 4313529 (1982-02-01), Kato et al.
patent: 4463839 (1984-08-01), Ashiba
patent: 4468739 (1984-08-01), Woods et al.

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