Suspension apparatus of vehicle

Land vehicles – Wheeled – Attachment

Patent

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Details

280692, 280772, B62D 902, B60G 2100

Patent

active

046856900

ABSTRACT:
A suspension spring is provided with a telescopic member comprising a cylinder and a piston, and fluid pressurized by a pump is controlled by a control valve, and fed to the telescopic member or discharged therefrom. Due to the foregoing, the total length of the suspension springs is varied. Since the control valve is in association with a steering mechanism, either one of the pair of right and left suspension springs is expanded according to steering operation, while the other suspension spring is contracted. As a result, a vehicle body is inclined toward the turning center side. The inside of the cylinder may be defined into two upper and lower cylinder chambers by the piston, so that when fluid is fed to one of the cylinder chambers, the fluid is simultaneously discharged from the other cylinder chamber. The control valve is a rotary valve formed of an inner valve and an outer valve. Such rotary valves may be mounted on the respective suspension springs. Otherwise, the stream of the fluid may be switched by only one rotary valve to expand or contract the respective suspension springs.

REFERENCES:
patent: 782954 (1905-02-01), Elliott
patent: 1084740 (1914-01-01), Holzwarth
patent: 2247749 (1941-07-01), De Venel
patent: 2650108 (1953-08-01), Bruce
patent: 2905430 (1959-09-01), Deist
patent: 2996309 (1961-08-01), Nallinger
patent: 3129644 (1964-04-01), Anderson
patent: 3207254 (1965-09-01), Venel
patent: 3222867 (1965-12-01), Gauldie
patent: 3589933 (1971-01-01), Pitcher
patent: 3752497 (1973-08-01), Enke
patent: 3820809 (1974-06-01), Blonar
patent: 3820812 (1974-06-01), Stubbs et al.
patent: 4345661 (1982-08-01), Nishikawa

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