A manual transmission (3) for a four-wheel drive vehicle transmits a power to a front drive shaft (34) for driving front wheels and to a rear drive shaft (39) for driving rear wheels through a propeller shaft. A plurality of shift gear trains are formed by...

The motor vehicle comprises a first driven axle (2) coupled by means of a transmission shaft (20) to a second axle (3) which includes two half-shafts (5,7) between which is interposed a differential (13), and a controlled coupling device (15) interposed be...

A four wheel drive vehicle in which the engine output is transmitted to front wheels and to rear wheel through a transfer clutch. The control unit determines a road gradient from the output value of a longitudinal acceleration sensor at a stop, sets a lowe...

In a power transmitting system of a four-wheel drive vehicle in which driving force provided from a transmission (2) coupled to a laterally mounted front drive engine (1) is distributed to front and rear wheels through a transfer (3) disposed behind the en...

A drive-force distribution controller for a four-wheel-drive vehicle in which drive force produced by an engine is transmitted directly to front or rear wheels and is transmitted to the remaining wheels via a torque distribution clutch, and the engagement ...