About 59 results
https://drivepatents.com/patents/991224 · 1 May 2013
The arrangement has a windscreen wiper device (13) driven by a drive device (11). A crash element i.e. bumper bar, is coupled with a shock absorbing element. A windscreen cleaning device (10) is fastened at the crash element for a vehicle. The crash elemen...
https://drivepatents.com/patents/991148 · 1 May 2013
An electric interface is connected to power supply (A) and direct current (DC) voltage side of rectifier (181) of module (M1). The primary sides of transformers (171,172) of modules (M1,M2) are connected directly by electric interface and indirectly throug...
https://drivepatents.com/patents/991787 · 10 Apr 2013
An electrodynamic brake system for a track-bound vehicle powered by a power line (10, 100) comprises: a current collector (11) for connecting the electrodynamic brake system to the power line (10, 100); a DC link (18) provided with a braking chopper (30), ...
https://drivepatents.com/patents/985650 · 13 Mar 2013
The selection device has a sensor system arranged for contact-free differentiation between different voltage systems that are joined to an overhead traction line. A control system is provided for selecting a current collector on the basis of the voltage sy...
https://drivepatents.com/patents/994872 · 19 Dec 2012
A method for controlling a drive unit (1, 1a, 1 b) and a drive unit of a vehicle connected to an AC-supply line (3). The drive unit comprises an AC/DC-converter (7) adapted to convert electric power to a target value and a control unit (15) comprising a re...
https://drivepatents.com/patents/996460 · 31 Oct 2012
The rail vehicle has a working fluid operated device (1) and an associated piping (2), where the piping is provided with semi-flexible plastic tubes (2.1,2.1'), a pipe connecting unit (2.2) and pipe fasteners (2.3). The tube is made of metal layer, particu...
https://drivepatents.com/patents/996388 · 31 Oct 2012
An electric safety braking device for an electric track-bound vehicle comprising an electric permanent magnet machine (2) has a resistive braking torque production assembly comprising a connection (17) of terminals (14-16) of the electric machine through r...
https://drivepatents.com/patents/997836 · 26 Sep 2012
A method for providing an electric synchronous machine (2) with a resolver in a state able to deliver information about the instantaneous position of a rotor (12) of the machine with respect to a stator (9) of the machine to be used for controlling exchang...
https://drivepatents.com/patents/998140 · 19 Sep 2012
The invention relates to a running gear for a rail vehicle, comprising a wheel unit (103) and a cooperating unit (107). The running gear defines a longitudinal direction, a transverse direction and a height direction, while the wheel unit (103) defines a w...
https://drivepatents.com/patents/1001218 · 20 Jun 2012
The method involves supplying brake fluid to the brake circuits (1) through a main air container pipe (2), and controlling the pressure (c) in a brake cylinder circuit (7) by a relay valve (6). A variable related to the brake fluid is measured and compared...