| Patents for B60L 3 - Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration, power consumption (7,973) |
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| 03/12/1987 | DE3531653A1 Drive and brake device for rail vehicles |
| 01/28/1987 | CN86105608A Loss of electrical feedback detector |
| 01/20/1987 | US4637668 Locomotive safety device |
| 12/30/1986 | US4633147 Electric powered vehicle and method of propelling the same |
| 12/16/1986 | US4629951 Control system for reversing the rotation of a field wound motor |
| 12/03/1986 | CN86102173A Control apparatus for an electric railway vehicle |
| 11/05/1986 | CN85108376A Control method for electric locomotive |
| 11/04/1986 | CA1213633A1 Vigilance safety control system |
| 10/21/1986 | US4618930 Automatic train control apparatus |
| 09/24/1986 | EP0195249A2 Procedure for detection of slip and/or slide conditions in vehicles |
| 09/23/1986 | CA1211827A1 Transit vehicle signal apparatus and method |
| 08/26/1986 | US4608619 Ground fault voltage limiting for a locomotive electric traction motor |
| 07/30/1986 | EP0189165A2 A control system for maintaining the traction of a rolling stock vehicle |
| 07/30/1986 | CN86100223A Control system for keeping tractive force of railway vehicles |
| 07/16/1986 | EP0057680B1 Dual motor drive system |
| 07/02/1986 | CA1207020A Electric motor fault and dynamic braking protection system |
| 06/11/1986 | EP0184339A1 Electrically propelled railway vehicle |
| 06/03/1986 | CA1205516A1 Short circuit protection apparatus |
| 05/13/1986 | US4588932 Slip-limiting control for rail vehicles |
| 04/15/1986 | US4582280 Railroad communication system |
| 03/19/1986 | EP0174639A2 Electric railway car control device |
| 02/11/1986 | US4570111 Firing angle control system |
| 12/24/1985 | US4561057 Apparatus and method for monitoring motion of a railroad train |
| 12/03/1985 | CA1197597A1 Wheel slip control using differential signal |
| 12/03/1985 | CA1197552A1 Current limit control circuit |
| 10/23/1985 | EP0159284A1 Control method for the drive or brake power of the traction motor of an electric traction vehicle without running axles at the static friction limit of the wheels |
| 10/22/1985 | US4549163 Slip indicating system for a four-wheel drive vehicle |
| 09/18/1985 | EP0154638A1 Monitoring attention |
| 08/20/1985 | US4536686 Electric motor fault and dynamic braking protection system |
| 07/16/1985 | US4529919 Plugging and plugging override control apparatus |
| 07/16/1985 | CA1190628A1 Motor control computer operation monitoring apparatus and method |
| 06/25/1985 | US4525011 For checking the alertness of an operator of a moving vehicle |
| 06/11/1985 | CA1188784A1 Transit vehicle shunt determination |
| 05/15/1985 | EP0141157A1 Slip limitation control for rail vehicles |
| 04/30/1985 | US4514665 Current limit control circuit |
| 04/02/1985 | US4508999 Short circuit protection apparatus |
| 03/28/1985 | WO1985001258A1 Railroad communication system |
| 02/28/1985 | WO1985000785A1 Monitoring attention |
| 02/26/1985 | CA1183240A1 Vehicle propulsion control apparatus and method |
| 02/19/1985 | US4500820 Protective control apparatus for electrical vehicle |
| 02/05/1985 | CA1182191A1 Method for preventing slip or skid between driving wheels and ground in vehicle drive systems of multiple-axle type with hydrostatic power transmission |
| 01/29/1985 | US4496193 Vigilance safety control system |
| 01/16/1985 | EP0131519A1 Regulation device for the drive moments of locomotive wheel axles |
| 01/16/1985 | EP0130981A1 Short circuit protection apparatus. |
| 01/16/1985 | EP0130979A1 Current limit control circuit. |
| 01/09/1985 | EP0130185A1 Plugging and plugging override control apparatus |
| 12/18/1984 | US4489258 Propulsion system for vehicles with a d-c machine |
| 10/17/1984 | EP0121723A1 Firing angle control system |
| 09/18/1984 | US4471929 Transit vehicle signal apparatus and method |
| 09/11/1984 | CA1174341A1 Controller for electric traction motor |
| 07/31/1984 | US4463289 Wheel slip control using differential signal |
| 07/19/1984 | WO1984002813A1 Plugging and plugging override control apparatus |
| 07/19/1984 | WO1984002686A1 Short circuit protection apparatus |
| 07/19/1984 | WO1984002685A1 Current limit control circuit |
| 06/13/1984 | EP0110314A2 Time division mutiplex data transmission method and system |
| 05/15/1984 | US4449080 Electric vehicle protection scheme |
| 05/02/1984 | EP0106983A1 Device for the control of technical devices in railway trains |
| 04/17/1984 | US4443784 Fault detection in electronic vehicle controls |
| 04/17/1984 | US4443744 Method and apparatus for charge enhancement of a commutating capacitor |
| 01/10/1984 | US4425535 Erroneous start preventing device for battery-powered vehicle |
| 01/03/1984 | US4424491 Automatic voltage imbalance detector |
| 12/27/1983 | US4423362 Electric vehicle current regulating system |
| 12/06/1983 | CA1158332A1 Fail-safe acknowledging circuit |
| 10/18/1983 | US4410947 Vehicle propulsion control apparatus and method |
| 09/28/1983 | EP0089899A1 Method and apparatus for detection and correction the wheel slip of a rail vehicle |
| 08/30/1983 | US4401970 Vital lowest speed command selector |
| 08/23/1983 | CA1152611A1 Propulsion motor control apparatus and method |
| 08/17/1983 | EP0085901A1 Drive system for vehicles with D.C. motor |
| 08/10/1983 | EP0085394A1 Control system for electric cars driven by induction motors |
| 07/12/1983 | US4392544 Controller for electric traction motor |
| 07/06/1983 | EP0083036A1 Safety device to prevent the starting of an electric vehicle |
| 07/05/1983 | US4392091 Vehicle propulsion control apparatus and method |
| 06/14/1983 | US4387870 Transit vehicle shunt determination |
| 06/01/1983 | EP0080139A1 Process and device for controlling or regulating the rotation torques of a railway traction vehicle, in particular a railway train, in dependence upon the diameter of the wheels |
| 04/05/1983 | US4378855 Multi-speed drive with forward/reverse lockout |
| 02/09/1983 | EP0071214A1 Arrangement for evaluating the braking forces of commutator traction motors |
| 12/28/1982 | US4366533 PWM Inverter device |
| 12/20/1982 | EP0057680A4 Dual motor drive system. |
| 11/30/1982 | CA1136696A1 Direct current motor control with protective solenoid latching |
| 11/02/1982 | CA1134917A1 Ac to dc converter for antiskid system |
| 09/15/1982 | EP0059924A1 Control apparatus for electric cars propelled by induction motor |
| 09/08/1982 | EP0059588A1 Controller for a vehicle having an electric traction motor |
| 08/18/1982 | EP0057680A1 Dual motor drive system. |
| 07/20/1982 | CA1128176A1 Vehicle control system |
| 07/13/1982 | US4339697 Propulsion motor control apparatus and method |
| 06/15/1982 | US4335337 Control system for electric motor vehicle |
| 06/02/1982 | EP0053033A1 Slip indicating system for a four-wheel drive vehicle |
| 05/25/1982 | US4331959 Method and apparatus for detecting a defective object on a lane or track |
| 05/11/1982 | CA1123497A1 Rotating element rotational speed signal calibrating system |
| 05/11/1982 | CA1123496A1 Locomotive wheel slip determination |
| 04/27/1982 | US4327313 Control apparatus for electric car |
| 04/27/1982 | CA1122668A1 Fault detector for wheel slip control system |
| 03/04/1982 | WO1982000738A1 Failure protection circuit for a tow-motor lift truck |
| 02/02/1982 | US4314237 Fail-safe acknowledging circuit |
| 11/17/1981 | US4301396 Thermal current limiting controller |
| 11/03/1981 | US4298940 Slipping detector system for vehicles |
| 10/13/1981 | CA1110737A1 Speed decoding and speed error determining control apparatus and method |
| 09/22/1981 | US4291259 Control apparatus for controlling transistor chopper for use in current supply for electric motor |
| 08/11/1981 | CA1106943A1 Torque limiting drive with slip monitor |
| 05/05/1981 | CA1100607A1 Locomotive speed control apparatus |