| 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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| 09/14/1993 | US5245495 Automatic flashover protection for locomotive traction motors |
| 09/14/1993 | US5245294 Method for evaluating operability of filter components in power conversion system |
| 09/02/1993 | WO1993017344A1 Control system for regulating motor speed including electronic speed detection |
| 08/24/1993 | US5239242 Motor direction contactor switching control |
| 08/24/1993 | US5238083 Electric source apparatus of electric vehicle |
| 08/19/1993 | WO1993011959A3 Traction control system responsive to wheel speed fluctuations |
| 08/04/1993 | CN2139538Y Automatic checking instrument for main circuit breaker of power locomotive |
| 07/28/1993 | CN1074761A Device for measuring critical driving torque of car |
| 07/13/1993 | US5227703 Protection system for alternating current, battery powered electric traction motor vehicle |
| 07/08/1993 | WO1993013589A1 Method of demagnetization prevention and control for electric motor |
| 06/24/1993 | WO1993011959A2 Traction control system responsive to wheel speed fluctuations |
| 06/24/1993 | DE4243394A1 Control system for electrically powered road vehicle - returns road and motor speed signals to determine optimum operating condition for drive via CVT transmission |
| 06/24/1993 | CA2117295A1 Traction control system responsive to wheel speed fluctuations |
| 06/09/1993 | EP0545497A1 Control system for a vehicle |
| 05/26/1993 | EP0543390A1 Drive control apparatus of series hybrid vehicle |
| 05/25/1993 | US5213177 Traction control system responsive to wheel speed fluctuations |
| 05/05/1993 | CN2131733Y Automatic inspector for voltage-regulating switch of electric locomotives |
| 05/04/1993 | CA1317358C Speed control system |
| 04/29/1993 | WO1993008049A1 Arrangement for detecting a critical driving torque in a motor vehicle |
| 04/29/1993 | DE4134831A1 Anordnung zur ermittlung einer reibbeiwert-information Arrangement for the determination of a coefficient of friction-information |
| 04/28/1993 | EP0538967A2 apparatus for drive and brake control of vehicles, equipped with a plurality of single wheel drive and brake modules |
| 04/26/1993 | CA2081291A1 Driving and braking control of vehicles equipped with a plurality of single wheel drive and brake modules |
| 04/21/1993 | CN1020338C Locomotive wheeslip control system |
| 04/08/1993 | DE4131892A1 Method of regulating running of electric trains - receives motor and brake torque according to coefficient of friction grip on wheels or rails according to speed |
| 04/01/1993 | WO1993005977A1 Electric car |
| 03/24/1993 | EP0532745A1 Regenerative braking protection for an electrically-propelled traction vehicle. |
| 03/17/1993 | EP0532395A1 Method and device to control asynchronous motors in parallel |
| 03/10/1993 | EP0530717A1 Electric automobile drive assembly |
| 02/17/1993 | EP0527145A1 Electric vehicle with individually controlled drive electromotors. |
| 02/09/1993 | US5185700 Solid state event recorder |
| 02/04/1993 | DE4225080A1 Electrohydraulic braking installation for four-wheel drive electric vehicle - uses electrodynamic braking for gentle braking and additional hydraulic brakes for greater retardation |
| 01/12/1993 | US5179494 Excess voltage protection apparatus for an electric vehicle |
| 01/07/1993 | EP0521162A1 Apparatus for controlling electric car |
| 01/05/1993 | US5177419 Apparatus for controlling a load lifting element of a vehicle in response to the wearing of a motor brush |
| 12/23/1992 | WO1992015469A3 Regenerative braking protection for an electrically-propelled traction vehicle |
| 12/08/1992 | US5170105 Method for determining operability of an electrical dynamic braking system |
| 12/02/1992 | CN1066754A Inverter arrangement and ac motor driving system |
| 12/01/1992 | US5168416 Automatic flashover protection for locomotive traction motors |
| 11/25/1992 | EP0514580A1 Converter |
| 11/19/1992 | EP0513214A1 Multiple device control system |
| 11/11/1992 | EP0512531A2 Inverter arrangement and AC motor driving system |
| 11/10/1992 | US5163170 Spin and or stall detector for an electrically propelled traction vehicle |
| 11/04/1992 | EP0511654A2 Drive apparatus for hybrid vehicle |
| 10/14/1992 | EP0508367A2 A braking control system for an electric vehicle |
| 10/07/1992 | CN1018535B Apparatus and method for controlling electrically-propelled vehicles |
| 10/01/1992 | DE4109837A1 Electric vehicle with current collector - detects current exceeding given value and actuates switch to short circuit to drive lead |
| 09/30/1992 | CN1018498B System and method of controlling power converters |
| 09/17/1992 | WO1992015469A2 Regenerative braking protection for an electrically-propelled traction vehicle |
| 09/17/1992 | CA2082261A1 Regenerative braking protection for an electrically-propelled traction vehicle |
| 09/16/1992 | CN2115928U Unbalance propulsion current tester for rail |
| 09/02/1992 | CN1018123B Automatic ground fault protection for electric power system |
| 08/25/1992 | US5142277 Multiple device control system |
| 08/06/1992 | WO1992012873A1 Apparatus for controlling electric car |
| 08/04/1992 | US5136218 Method and device for monitoring a railway traction system with individually-driven independent wheels |
| 06/30/1992 | CA1304479C Electric monitoring system for load handling vehicles |
| 06/09/1992 | US5121112 Display apparatus for vehicle |
| 06/02/1992 | CA1302566C Load handling vehicle monitoring system |
| 05/27/1992 | EP0486996A2 Control system for electric motor vehicle |
| 05/26/1992 | US5117163 Drive system for railway vehicle |
| 05/19/1992 | US5115176 Control arrangement for electrically propelled wheeled vehicles |
| 05/14/1992 | WO1992008284A1 Circuit for use in motor vehicles for the timed switching of inductive consumers |
| 05/12/1992 | US5113126 Control device for electric car |
| 05/07/1992 | DE4034845A1 Schaltanordnung in kraftfahrzeugen zum getakteten einschalten von induktiven verbrauchern Circuitry in motor vehicles for the clocked switch inductive loads |
| 05/05/1992 | CA1300251C Method and electrical circuit for the reliable detection of process states within freely couplable units |
| 04/16/1992 | WO1992005974A1 Control system for electric motor vehicle |
| 04/15/1992 | CN1060370A Automatic flashover protection for locomotive traction motors |
| 04/09/1992 | DE4030880A1 Electric goods transport vehicle security system - disables vehicle control circuit when out of range of remote control transmitter carried by operator |
| 04/08/1992 | EP0479735A1 An electrically-driven motor car with an externally-operated parking device |
| 04/02/1992 | WO1992005611A1 Automatic flashover protection for locomotive traction motors |
| 03/19/1992 | WO1992004203A1 Locomotive dynamic brake control |
| 03/19/1992 | CA2025592A1 Excitation and power control system for locomotives |
| 01/09/1992 | DE4020350A1 Self-adapting regulation of wheel RPM of electric vehicle - using acceleration value integrating unit and evaluation of torque desired value for matching wheel acceleration |
| 01/07/1992 | US5079543 Monitoring device for at least one current pickup of a conveyor truck in a conveyor system running on tracks |
| 11/13/1991 | CN1056085A Electric vehicle controlling apparatus and inductive motor controlling apparatus |
| 11/12/1991 | US5065321 Solid state event recorder |
| 11/12/1991 | US5065320 Control and display system for a battery powered vehicle |
| 10/23/1991 | EP0452898A2 Control apparatus for induction motor and electric rolling stock |
| 10/17/1991 | WO1991015378A1 Electric vehicle with individually controlled drive electromotors |
| 10/17/1991 | DE4011291A1 Elektrofahrzeug mit einzeln gesteuerten antriebs-elektromotoren Electric vehicle with individually controlled drive electric motors |
| 09/18/1991 | EP0446994A2 Method and device for monitoring a railway traction system with individually-driven independent wheels |
| 09/11/1991 | EP0422101A4 Synchronous wheel slip strategy for a locomotive governor |
| 08/20/1991 | US5041772 Locomotive dynamic brake control |
| 08/13/1991 | US5039038 Railroad communication system |
| 08/08/1991 | WO1991011791A1 Multiple device control system |
| 06/04/1991 | US5021725 Circuit arrangement for preventing inductive interference in an electric car |
| 05/21/1991 | CA1284350C Induction motor control apparatus and method for restart when rotating in shutdown |
| 05/15/1991 | EP0427138A1 Antiskid or antilock method for electrically driven vehicles and application to detect skid or lock and to measure frictional connection for such a vehicle |
| 04/25/1991 | CA2028198A1 Drive system for railway vehicle |
| 04/17/1991 | EP0422101A1 Synchronous wheel slip strategy for a locomotive governor. |
| 04/03/1991 | EP0419578A1 Locomotive differential wheel slip control. |
| 03/14/1991 | DE3929497A1 Self-regulating axle speed controller for electric tracked vehicle - has electronic recognition and control of maximum permissible wheel torque, during acceleration or braking based on wheel slip |
| 03/13/1991 | CN1049940A System and method of controlling power converters |
| 03/06/1991 | EP0415157A2 A control system for an electric vehicle |
| 02/19/1991 | US4994728 Apparatus for diagnosing vehicle-mounted battery |
| 01/30/1991 | CN2070259U Brake protector for vehicle front and rear steering |
| 01/29/1991 | US4988061 Method and apparatus for the automatic control of a guided vehicle |
| 01/09/1991 | CN1048361A Spin/stall detector for electrically propelled traction vehicle |
| 12/29/1990 | CA2012236A1 Spin/stall detector for an electrically propelled traction vehicle |
| 11/28/1990 | EP0399008A1 A monitoring device for at least one current pick-up of a transport truck of a rail-borne conveyor. |
| 11/28/1990 | EP0398953A1 Control system for vehicles comprising steel wheels for improved wheel wear adjustment |