D.c. power supply and regeneration equipment for electrical...

Data acquisition for operation of a vehicle

Dc motor control with alternate action solenoid drive circuit

Deicing device

Detachable wear pad for the third rail shoe on an electric...

Detection and delimitation of maximum stator currents

Device and method for controlled current collection between...

Device and process to provide dc feed to a chain, using...

Device for controlling an asynchronous motor

Device for controlling and monitoring sequential...

Device for determining the pressure between a contact wire...

Device for measuring electrical energy supplied to a railway...

Device for reducing contact force variations between a...

Device for supplying energy and for guiding a mobile object...

Diagnostic system for a material handling vehicle

Diesel-electric regenerative hydro power cell

Differential electric engine with variable torque conversion

Digital pulse width modulator with integrated test and control

Directional control system

Distributed car charging management system and method