Motor vehicles – With means for detecting wheel slip during vehicle...
Patent
1997-06-12
1999-07-27
Hurley, Kevin
Motor vehicles
With means for detecting wheel slip during vehicle...
180338, 701 88, B60K 2816
Patent
active
059274220
ABSTRACT:
A system for correcting drive wheel slippage in a heavy vehicle includes a front non-drive axle and either a single or tandem rear drive axle with an inter-axle differential with locking capability. Each drive axle also includes a main differential with locking capability. The system further includes a first sensor for measuring the rotational speed of the driveshaft and a second sensor for measuring non-driven wheel speed. A central processor compares the driveshaft speed to the non-driven wheel speed and locks the inter-axle differential of a tandem rear drive axle to drive the front and rear drive axles at the same speed or locks the main differential of a single rear drive axle to drive the first and second driven wheels at the same speed when the ratio of the driveshaft speed signal to the first non-driven wheel speed signal exceeds the predetermined limit. In the tandem configuration, if drive wheel slippage continues, the main differentials of the front and rear drive axles are also locked.
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Hurley Kevin
Meritor Heavy Vehicle Systems, L L C
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