Automatic level control system for vehicles

Details Automatic level control system for vehicles Automatic level control system for vehicles

1990-05-29

1991-09-17

Rice, Kenneth R.

Land vehicles

Skates

Ball type roller skates

280714, 280DIG1, B60S 900

Patent

active

050488678

ABSTRACT:
An automatic level control device for vehicles is furnished with an electrically triggered shut-off valve (44). The shut-off valve (44) can be loaded with a pressure in closure direction corresponding to an air-suspension pressure. The force to be exerted by the electrical actuation device (23) for opening of the shut-off valve (44) is independent of the closure pressure loading the shut-off valve (44). The device components of the electrical actuation device (23) of the shut-off valve (44) can be furnished of small volume size and the passage cross-section of the shut-opff valve (44) can be formed of relatively large size. The device serves for automatic level control devices for vehicles.

REFERENCES:
patent: 4773672 (1988-09-01), Deroche
patent: 4783089 (1988-11-01), Hamilton et al.
patent: 4809957 (1989-03-01), Schonfeld et al.
patent: 4834418 (1989-03-01), Byma et al.

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