Automatic level controller of motor vehicle

Details Automatic level controller of motor vehicle Automatic level controller of motor vehicle

1995-03-14

1997-07-29

Zanelli, Michael

Boots, shoes, and leggings

280707, 280840, B60G 17015

Patent

active

056527039

ABSTRACT:
An automatic level controller of a motor vehicle has height adjusters. Each adjuster is operatively interposed between a road wheel and a vehicle body and has a work fluid chamber communicated with a compressed fluid source. The pressure in the work fluid chamber of each height adjuster is controlled in accordance with an instruction signal applied thereto. By controlling the pressure, the level controller can create both a body lowering control mode and a body raising control mode. The height of a portion of the vehicle body, which portion is supported by selected one of the height adjusters, is detected by a height sensor. A standstill of the vehicle is detected by a sensor. A jack-up representing signal is issued when, under the body lowering control mode at the standstill of the vehicle, the height of the portion detected by the height sensor is kept increased for a given time. Upon issuance of the jack-up representing signal, the level controller is suppressed from producing the body lowering control mode.

REFERENCES:
patent: 4965878 (1990-10-01), Yamagiwa et al.
patent: 5100167 (1992-03-01), Kamimura
patent: 5286059 (1994-02-01), Tabe

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