| 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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| 01/19/1995 | DE4341437C1 Safety system for a vehicle which is operated with gaseous fuel |
| 01/18/1995 | CN1027433C Electric vehicle controlling apparatus and inductive motor controlling apparatus |
| 01/11/1995 | EP0633158A1 Apparatus and method for starting a vehicle with fuel cells |
| 01/05/1995 | WO1995000355A1 Process and device for slip control |
| 01/04/1995 | EP0632428A2 Apparatus generating noise sound for electric car |
| 12/28/1994 | EP0630777A1 Power converting device for reducing induction trouble |
| 12/27/1994 | US5376869 Electric vehicle drive train with rollback detection and compensation |
| 12/27/1994 | US5376868 Driving force controller for electric motor vehicle |
| 12/27/1994 | CA1333726C Method and apparatus for the automatic control of a guided vehicle |
| 12/20/1994 | US5374016 Device for catching wheel deviations for track switches or crossing having tube mounted strain gauges for measuring sensing head displacement |
| 12/13/1994 | US5373219 Control system for an electrically propelled traction vehicle |
| 12/06/1994 | US5371446 System for and method of driving electric automotive vehicle |
| 11/30/1994 | EP0626287A1 Vehicle provided with an electric and mechanic braking system |
| 11/29/1994 | US5369540 Electric vehicle drive train with contactor protection |
| 11/29/1994 | US5369344 Tachometer for determining the speed of a motor |
| 11/19/1994 | CA2123544A1 Vehicle having an electric and mechanical braking system |
| 11/08/1994 | US5363316 Maintenance monitoring system for detachable ski lift carrier vehicles |
| 11/02/1994 | CN1094363A Electromotive scooter |
| 10/26/1994 | EP0621156A2 Method for controlling an electric driven vehicle |
| 10/26/1994 | EP0621148A2 Air-conditioning apparatus for electric vehicle |
| 10/26/1994 | EP0621146A2 Electric car air-conditioning apparatus |
| 10/26/1994 | CN1093986A Power feed system for feeding power to the motor of an electric motorcar |
| 10/20/1994 | DE4413043A1 Plug connection |
| 10/20/1994 | DE4312625A1 Drive device, especially for driving a sanding belt (grinding belt) of a belt sander (belt grinder) |
| 10/18/1994 | US5357181 Failure detection method for electric vehicles and fail-safe control method using this method |
| 10/18/1994 | US5355749 Control apparatus and control method for motor drive vehicle |
| 09/29/1994 | DE4309183A1 Method for maximising the slip-dependent frictional force which occurs in the case of surfaces rubbing on each other under the influence of force, using a fuzzy controller |
| 09/29/1994 | DE3448378C2 Communication system for controlling a railway train |
| 09/28/1994 | EP0616575A1 Traction control system responsive to wheel speed fluctuations |
| 09/22/1994 | DE4308903A1 Arrangement and method for controlling a desired slip of surfaces rubbing against each other under the action of force |
| 09/22/1994 | DE4308280A1 Method for monitoring the electric connection between a potentiometer (voltage divider) and an electronic evaluation system and a circuit arrangement for carrying out the method |
| 09/20/1994 | US5349276 Control system for regulating motor speed |
| 09/14/1994 | EP0399008B1 A monitoring device for at least one current pick-up of a transport truck of a rail-borne conveyor |
| 09/14/1994 | CN1092027A Electric vehicle control device |
| 09/06/1994 | US5345358 Method for evaluating operability of filter components in power conversion system |
| 09/06/1994 | US5343971 Electric vehicle with individually controlled drive electromotors |
| 08/25/1994 | DE4305361A1 Method for ensuring the exclusive operation of devices and/or systems, in particular conveyor trucks, by authorised personnel |
| 08/23/1994 | US5340202 Service braking technique for material handling vehicles |
| 08/18/1994 | WO1994018737A1 Electric vehicle drive train with contactor protection |
| 08/18/1994 | WO1994018026A1 Electric vehicle drive train with rollback detection and compensation |
| 08/17/1994 | CN2174363Y Countercurrent-proof device for electric automobile |
| 08/10/1994 | EP0609847A1 Power feed system for feeding power to the motor of an electric motorcar |
| 08/04/1994 | DE4403008A1 Inverter with overvoltage protection |
| 08/03/1994 | EP0608367A1 Arrangement for detecting a critical driving torque in a motor vehicle. |
| 08/02/1994 | US5335178 Slip control deceleration signal filtering system |
| 07/21/1994 | WO1994016304A1 Energy management system for vehicles having limited energy storage |
| 07/13/1994 | EP0605775A2 Control apparatus of electric cars |
| 07/13/1994 | CN1089220A Control apparatus of electric cars |
| 07/07/1994 | DE4319605C1 Flashing warning device for electric hybrid road-vehicle |
| 06/29/1994 | CN1088521A 电动车辆控制系统 Electric vehicle control system |
| 06/28/1994 | US5323868 Drive apparatus for hybrid vehicle |
| 06/08/1994 | EP0600364A1 Inverter controlled induction motor driving system for electric rolling stock |
| 06/01/1994 | EP0468983B1 Control system |
| 05/24/1994 | US5315520 Friction brake interface health check system for multiple-axle railway vehicles |
| 05/17/1994 | US5313191 Warning device for an electric vehicle |
| 05/11/1994 | EP0422101B1 Synchronous wheel slip strategy for a locomotive governor |
| 05/04/1994 | EP0595445A2 Service braking technique for material handling vehicles |
| 05/03/1994 | US5309073 Electric vehicle control device |
| 04/27/1994 | EP0594457A1 Electric vehicle control device |
| 04/27/1994 | EP0594130A1 Control equipment of rolling stock and electric rolling stock using the same |
| 04/26/1994 | US5306990 Electric motor control apparatus including an output stage protected against malfunction and damage |
| 04/21/1994 | DE4235138A1 Storage capacitor discharging circuit for electric drive current regulator - using passive and/or active components of current regulator and supplied drive motor |
| 04/19/1994 | US5304912 Control apparatus for induction motor |
| 04/13/1994 | EP0592319A2 Electromotive scooter |
| 04/07/1994 | DE4334078A1 Control system for an electric car - has HV power unit with inverters for motor and LV unit for microcomputer |
| 03/29/1994 | US5298842 Thermal protection for locomotive main traction alternators |
| 03/29/1994 | US5297650 Electrically-driven motor car with an externally-operated parking device |
| 03/24/1994 | DE4331691A1 Electric vehicle control system - includes acceleration pick-up with signal generation section for providing voltage signal dependent on accelerator pedal position |
| 03/23/1994 | EP0588628A1 Electric vehicle control system |
| 03/15/1994 | US5294871 Electric motor control system |
| 03/01/1994 | US5291408 Vehicle traction control system |
| 02/22/1994 | US5289093 Method of preventing wheel spin or wheel locking |
| 02/10/1994 | DE4225683A1 Automatic wheelslip correction esp. on electric railway vehicles - adapts acceleration set-point to variability of coefft. of adhesion along track without driver intervention in max. traction mode |
| 02/03/1994 | WO1994002335A1 Method for controlling the drive and/or braking power of a locomotive engine at the wheel traction limit |
| 02/01/1994 | US5283507 Regenerative braking protection for an electrically-propelled traction vehicle |
| 01/25/1994 | CA1326520C Locomotive wheelslip control system |
| 01/20/1994 | DE4223369A1 Electrical energy supply device for rail vehicle - monitors load thyristor current to control short-circuit thyristor across load thyristors |
| 01/19/1994 | EP0579240A1 Method and device for controlling the middle potential of a DC-side series connection of two two-point traction inverters |
| 01/18/1994 | US5280223 Control system for an electrically propelled traction vehicle |
| 12/22/1993 | EP0575308A1 Running wheel deviation detection for railway points or crossings |
| 12/22/1993 | EP0575117A2 Maintenance monitoring system for detachable ski lift carrier vehicles |
| 12/22/1993 | EP0419578B1 Locomotive differential wheel slip control |
| 12/16/1993 | CA2097204A1 Maintenance monitoring system for detachable ski lift carrier vehicles |
| 12/15/1993 | EP0573658A1 Method of demagnetization prevention and control for electric motor |
| 12/02/1993 | DE4224581C1 Verfahren zur Regelung der Antriebs- und/oder Bremskraft der Fahrmotoren eines Triebfahrzeuges an der Kraftschlußgrenze der Räder Method for controlling the drive and / or braking force of traction motors drive a vehicle on the adhesion limit of the wheels |
| 11/25/1993 | WO1993023266A1 Electric car |
| 11/24/1993 | EP0570542A1 Electric car |
| 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 |
| 11/11/1993 | WO1993022152A1 Drive arrangement for a rail vehicle |
| 11/11/1993 | WO1993022151A1 Control means for electrically driven vehicles |
| 11/11/1993 | CA2133318A1 Control means for electrically driven vehicules |
| 11/02/1993 | US5257673 Braking control system for a vehicle driven by an electric motor |
| 10/27/1993 | EP0566795A1 Protection system for alternating current, battery powered electric traction motor vehicle |
| 10/20/1993 | CN1077424A Method for expressing rest capacity of battery used in electrically driven vehicle |
| 10/14/1993 | WO1993020608A1 Thermal protection for locomotive main traction alternators |
| 10/14/1993 | CA2109521A1 Thermal protection for locomotive main traction alternators |
| 10/12/1993 | US5251680 Collision-preventing apparatus for electric motor vehicle |
| 09/30/1993 | DE4308879A1 Electric vehicle motor control - using on-board computer with stored selectable travel patterns and motor controlled by signal indicating required position change. |
| 09/28/1993 | US5248926 Control apparatus for induction motor and electric rolling stock |