| Patents for B60L 9 - Electric propulsion with power supply external to vehicle (3,318) |
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| 11/18/1993 | DE4215917A1 Rotary-field motor control using integrated current difference - depends on actual stator current and desired current value which does not exceed predeterminable stator current set-point |
| 11/11/1993 | WO1993022153A1 Process for finding the reference moments in a rail vehicle |
| 10/27/1993 | EP0567082A1 Control apparatus of power converter and control apparatus of electric motor vehicle |
| 10/27/1993 | EP0566795A1 Protection system for alternating current, battery powered electric traction motor vehicle |
| 10/27/1993 | CN1077825A Power converter for converting dc voltage into ac phase voltage having three levels of positive, zero and negative voltage |
| 10/20/1993 | EP0566322A2 Automatic motor torque and flux controller for battery powered vehicle drive |
| 10/20/1993 | EP0566320A2 Reconfigurable AC induction motor drive for battery-powered vehicle |
| 10/06/1993 | CN1077064A Electric power converter arrangement and electric rolling stock control device using the same |
| 09/30/1993 | WO1993019458A1 Electronic cancellation of d.c. motor noise |
| 09/28/1993 | US5248926 Control apparatus for induction motor and electric rolling stock |
| 08/11/1993 | EP0554351A1 Electronic braking system for power press die change carriers |
| 07/28/1993 | EP0552232A1 An electric power train for vehicles. |
| 07/28/1993 | EP0506938A4 Induction motor propulsion system for powering and steering vehicles |
| 07/28/1993 | CN1074660A Manufacture and application of electric vehicle |
| 07/27/1993 | US5231339 Control device for induction motor |
| 07/13/1993 | US5227703 Protection system for alternating current, battery powered electric traction motor vehicle |
| 06/22/1993 | US5221880 Underground trolley vehicle with brushless D.C. Motor |
| 06/10/1993 | WO1993010995A1 Electrical vehicle transportation system |
| 05/26/1993 | EP0543204A2 Electric power converter arrangement |
| 05/26/1993 | EP0543203A1 Method and circuit for the conversion of electrical energy |
| 05/05/1993 | CN1020528C Control device for induction motor |
| 05/04/1993 | US5207304 Inductive energization system and method for vehicles |
| 04/15/1993 | DE4133431A1 Trackless vehicle for underground water or sewage pipe - + has inspection or repair tools supported by releasable platform coupled to endless track propulsion unit |
| 04/14/1993 | EP0536569A2 AC motor control apparatus and control apparatus of electric rolling stock using the same |
| 03/18/1993 | WO1993004887A1 Variable speed ac electric drive vehicle |
| 02/18/1993 | WO1993002887A1 Battery powered electric vehicle and electrical supply system |
| 02/18/1993 | DE4127298A1 Automatic driverless vehicle for goods transport - has drive appts. and control equipment arranged under loading surface, allowing access from all sides |
| 02/18/1993 | CA2114835A1 Battery powered electric vehicle and electrical supply system |
| 02/10/1993 | CN1068785A Pace type energy transmitting apparatus |
| 02/04/1993 | DE4115568A1 Futuristic electric vehicle - uses inductive pick=up from cable buried in street surface through tyres or subframe and homopolar motor |
| 01/26/1993 | US5182508 Reconfigurable AC induction motor drive for battery-powered vehicle |
| 01/07/1993 | EP0521162A1 Apparatus for controlling electric car |
| 12/09/1992 | EP0507967A4 Motor-wheel of a transport vehicle |
| 12/02/1992 | CN1066754A Inverter arrangement and ac motor driving system |
| 12/01/1992 | US5168204 Automatic motor torque and flux controller for battery-powered vehicle drive |
| 11/25/1992 | EP0514580A1 Converter |
| 11/11/1992 | EP0512531A2 Inverter arrangement and AC motor driving system |
| 11/10/1992 | US5162707 Induction motor propulsion system for powering and steering vehicles |
| 10/21/1992 | EP0509135A1 Propulsion control system central processing unit board |
| 10/14/1992 | EP0508110A2 Control method for an electric valve of a converter |
| 10/14/1992 | EP0507967A1 Motor-wheel of a transport vehicle |
| 10/07/1992 | EP0506938A1 Induction motor propulsion system for powering and steering vehicles |
| 09/30/1992 | CN1018498B System and method of controlling power converters |
| 09/29/1992 | US5151641 Electric automobile driving apparatus |
| 09/27/1992 | WO1992017929A1 Inductive power distribution system |
| 09/16/1992 | CN1018315B Electric power convertor with pulse restrainer |
| 09/09/1992 | CN2115253U Countering type dodgem |
| 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 |
| 07/15/1992 | EP0494137A1 Process and device for the optimum operation of a pulse converter connected to a power supply. |
| 07/01/1992 | EP0491691A1 Process and device for determining parameters governing resonance in a power-converter power supply. |
| 07/01/1992 | EP0491690A1 Process for control of a multi-stage pulse converter. |
| 07/01/1992 | EP0491689A1 Device and process for optimum operation of a power converter connected to a power supply. |
| 06/09/1992 | US5121315 D.C.-A.C. power converter with multiple conversions |
| 05/27/1992 | EP0486996A2 Control system for electric motor vehicle |
| 05/19/1992 | US5113684 Electronic braking system for power press die change carriers |
| 05/12/1992 | US5113126 Control device for electric car |
| 05/01/1992 | WO1992007728A1 Motor-wheel of a transport vehicle |
| 05/01/1992 | CA2072759A1 Motorized wheel for vehicle |
| 04/25/1992 | WO1992008278A1 Induction motor propulsion system for powering and steering vehicles |
| 04/25/1992 | CA2070643A1 Induction motor propulsion system for powering and steering vehicles |
| 04/23/1992 | WO1992006806A1 Electronic braking system for power press die change carriers |
| 04/23/1992 | CA2094031A1 Electronic braking system for power press die change carriers |
| 04/16/1992 | WO1992006530A1 An electric power train for vehicles |
| 03/20/1992 | CA2051742A1 Propulsion control system central processing unit board |
| 02/06/1992 | DE4037531A1 Controlling rectifiers in AC inverter for locomotive traction - forming AC rated value by multiplying regulating signal with sinusoidal signal at frequency of AC actual value |
| 01/22/1992 | CN2093784U Electric dodgem with a damping device attached to the frame |
| 11/13/1991 | CN1056085A Electric vehicle controlling apparatus and inductive motor controlling apparatus |
| 10/23/1991 | EP0452898A2 Control apparatus for induction motor and electric rolling stock |
| 10/15/1991 | US5057760 Torque determination for control of an induction motor apparatus |
| 10/09/1991 | CN1055266A Control device for induction motor |
| 09/18/1991 | EP0446994A2 Method and device for monitoring a railway traction system with individually-driven independent wheels |
| 06/04/1991 | US5021725 Circuit arrangement for preventing inductive interference in an electric car |
| 04/23/1991 | US5010288 Vector control system for a squirrel-cage asynchronous electric motor |
| 03/27/1991 | CN2073828U High-pressure sliding block successive power supply device of electric motor car |
| 03/21/1991 | WO1991003865A1 Process for control of a multi-stage pulse converter |
| 03/21/1991 | WO1991003864A1 Process and device for determining parameters governing resonance in a power-converter power supply |
| 03/21/1991 | WO1991003863A1 Process and device for the optimum operation of a pulse converter connected to a power supply |
| 03/21/1991 | WO1991003862A1 Device and process for optimum operation of a power converter connected to a power supply |
| 03/13/1991 | CN1049940A System and method of controlling power converters |
| 03/06/1991 | EP0415157A2 A control system for an electric vehicle |
| 02/14/1991 | DE4022086A1 Parallel capacitor circuit for AC=DC inverter drive - has capacitors arranged in pairs with coupling via plates to coaxial cable |
| 01/09/1991 | CN1048360A Contact power transmission between tramcars and transmission line |
| 12/18/1990 | US4978894 Single phase to three phase rectifier/inverter with DC ripple compensation |
| 11/28/1990 | CN1010644B Control system for induction motor driving electrically-propelled vehicle |
| 11/07/1990 | EP0395801A1 Circuit for a multiple system vehicle operating with contact wire voltage of different systems |
| 10/02/1990 | US4961042 Device for controlling AC motor |
| 09/26/1990 | EP0388845A1 Vector control system for electrical asynchronous motor with cage-rotor |
| 09/12/1990 | EP0386812A2 Electrical traction equipment, in particular for vehicles for public transport |
| 08/29/1990 | EP0384222A1 Supply circuit for a multisystem locomotive |
| 08/29/1990 | EP0383971A1 Supply circuit for a multisystem locomotive |
| 06/06/1990 | EP0371427A2 An arrangement for preventing inductive interference in electric car |
| 05/30/1990 | EP0370207A1 Electric motor vehicle |
| 04/11/1990 | CN1007571B Control apparatus for pwm-controlled, veriable voltage/variable frequency inverters |
| 04/04/1990 | CN1041073A Electric power convertor with pulse restrainer |
| 03/15/1990 | DE3831126A1 Circuit arrangement and control method for a power inverter having impressed intermediate-circuit voltage |
| 03/14/1990 | EP0358225A2 Power converting apparatus including beat suppressor |
| 02/28/1990 | CN1006975B Control apparatus for an electric railway rehicle |
| 02/21/1990 | CN1006948B Control arrangement for induction motor |
| 02/13/1990 | US4900992 Apparatus and method for controlling electric car |