Case Corporation

New Holland North America, Inc.

Cnh Italia Spa

Marcello Mongiardo

Alessandro Scotti

Ivano Resca

Franco Mazzucchi

Paolo Ferracin

Allessandro Scotti

Steering equipment for a work vehicle includes a steering transmission shaft mounted so that the shaft can turn within a steering column, and with a control device for actuating a steering operating unit. The control device includes a reference member, which can move along the transmission shaft and a sensor device fixed to the steering column in a position substantially facing the reference member for detecting a position of the reference member along the transmission shaft. The sensor provides a displacement signal that is used to vary the steering ratio, such as steering speed.

Steering equipment for vehicles

A transmission is described for a motor vehicle having selectable four-wheel drive. The transmission includes a coupling for selectively applying torque to the front wheels of the vehicle to switch between two-wheel drive and four-wheels drive in dependence upon slipping of the driven wheels. The coupling includes a drive member rotatable with the rear wheels, a driven member rotatable with the front wheels, the drive and driven members being movable axially relative to one another. The drive and driven member have teeth which mesh with one another in a first relative axial position of the drive and driven members to transmit torque from the drive to the driven member, but which are disengaged from one another in a second relative axial position of the drive and driven members to disconnect the drive to the front wheels. Slipping of the rear wheels is sensed electronically and is used to move the drive and driven members axially between the first and second relative positions in dependence upon the determined presence or absence of slipping of the driven wheels.

Electronic four-wheel drive transmission

Growing community of inventors

Modena, Italy

Marcello Mongiardo