Air spring arrangement

Details Air spring arrangement Air spring arrangement

1998-03-12

2000-05-02

Schwartz, Christopher P.

Spring devices

Vehicle

Comprising compressible fluid

267 6428, 267124, 267256, F16F 500, F16F 943, F16F 918, B60G 1126

Patent

active

060562773

ABSTRACT:
The invention relates to an arrangement which includes an air spring (2), an ancillary volume (4) and a connecting line (6) which connects the air spring (2) and the ancillary volume (4) to each other. A valve (12), which is actuated by air pressure, is disposed in the connecting line (6). The valve (12) includes a cylinder (14) having a chamber (16) wherein a hollow piston (18) is mounted so as to be axially movable. In an open position of the hollow piston (18), the valve (12) clears the connecting line (6); whereas, the connecting line (6) is blocked in a closed position of the hollow piston (18). The invention also relates to a valve which is actuated by air pressure.

REFERENCES:
patent: 674606 (1901-05-01), Forsyth
patent: 813577 (1906-02-01), Oakman
patent: 1196121 (1916-08-01), Larsen
patent: 3036807 (1962-05-01), Lucky et al.
patent: 3854706 (1974-12-01), Johnston
patent: 3966223 (1976-06-01), Carr
patent: 4650151 (1987-03-01), McIntyre
patent: 4694730 (1987-09-01), Krieger et al.
patent: 5094428 (1992-03-01), Farello et al.
patent: 5320280 (1994-06-01), Murphy et al.

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