Control device of a start-assist system

Details Control device of a start-assist system Control device of a start-assist system

1996-07-12

1998-07-07

Dickson, Paul N.

Motor vehicles

Special wheel base

Five or more wheels

280840, B62D 6112

Patent

active

057754489

ABSTRACT:
A start-assist system provided in a vehicle having two rear shafts, one of which is a drive axle, includes a control device having an air actuator attached to the drive axle; a level sensor for detecting loads applied to the shaft axles; an air supply source for supplying compressed air to the air actuator; a first valve disposed in an air conduit for supplying air to the air actuator; a second valve for releasing air from the air actuator; and a controller for controlling the first valve and the second valve. The a controller opens the first valve to introduce air to the air actuator when a signal from the level sensor indicates that the vehicle is stopped and is unladen, and opens the second valve to release air from the air actuator when the signal from the level sensor indicates that the vehicle is stopped and parking brake is activated.

REFERENCES:
patent: 4141430 (1979-02-01), Eddy
patent: 4993729 (1991-02-01), Payne
patent: 5228704 (1993-07-01), Tabe
patent: 5286059 (1994-02-01), Tabe
patent: 5522469 (1996-06-01), Hosoya et al.

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