Method and apparatus for correcting drive wheel slip

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 include...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SCHAKEL, MARK A
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL INSTRUMENTATION OR DASHBOARDS FOR VEHICLES PERFORMING OPERATIONS PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES TRANSPORTING VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	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.