Air suspension system

Details Air suspension system Air suspension system

1987-03-30

1988-08-02

Rice, Kenneth R.

Land vehicles

Wheeled

Running gear

280 6R, 280711, 280DIG1, B60G 1126, F16F 1504

Patent

active

047610204

ABSTRACT:
An air spring, for suspension of a vibrating body on a base, comprising a bellows with an air-filled interior which can be connected as needed by a control valve to a compressed-gas reservoir or to the atmosphere. The control valve is actuated by a piston whose front face is acted upon by the internal pressure of the air spring bellows and whose rear face is acted upon by a gas cushion of variable pressure contained in a pressure chamber, and which produces a compensation of vibration-caused pressure changes in the bellows by feeding additional compressed air in or letting compressed air out. The pressure chamber is provided with a signal-operated inlet valve and a signal-operated outlet valve, and these valves are electrically connected to the signal transmitter of a displacement detector.

REFERENCES:
patent: 3121573 (1964-02-01), Alfieri et al.
patent: 3166340 (1965-01-01), Rusconi
patent: 3194579 (1965-07-01), Peras
patent: 3214188 (1965-10-01), Alfieri
patent: 3778081 (1973-12-01), Takahashi et al.
patent: 4377299 (1983-03-01), Fujii

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