Patents for B60L 11 - Electric propulsion with power supplied within the vehicle (32,057)
04/1992
04/30/1992DE4134268A1 Car IC engine drive system - has automatic gearbox and cut=out clutch at gearbox output side
04/29/1992EP0482138A1 Device and process for charging the battery of a self-powered electric transport vehicle.
04/29/1992CN2102859U High-speed electrically operated motor car
04/25/1992WO1992008278A1 Induction motor propulsion system for powering and steering vehicles
04/25/1992CA2070643A1 Induction motor propulsion system for powering and steering vehicles
04/22/1992EP0481743A1 Method of displaying a residual electric charge in a battery of an electrically driven vehicle
04/22/1992CN2102213U Light electric stairs climbing cart
04/22/1992CN2102212U Long distance run electric bicycle
04/16/1992WO1992006530A1 An electric power train for vehicles
04/16/1992WO1992005974A1 Control system for electric motor vehicle
04/16/1992DE4031920A1 Electrically-driven automobile using 12v batteries - has belt drive between starter motors operated from battery and electricalalternators
04/15/1992CN1060370A Automatic flashover protection for locomotive traction motors
04/14/1992US5103923 Method and apparatus for propelling and retarding off-road haulers
04/02/1992WO1992005611A1 Automatic flashover protection for locomotive traction motors
04/01/1992CN1059872A Parts of vehicle
03/1992
03/26/1992DE4032606A1 Electric powered road vehicle - has auxiliary IC engine driving at constant RPM generator used exclusively for charging batteries of vehicle
03/25/1992EP0476405A1 Automatic storage monitoring and battery exchange system for electrically driven transport vehicles
03/24/1992US5099186 Integrated motor drive and recharge system
03/18/1992EP0475106A1 Transporter system
03/12/1992DE4027706A1 Non-contact electric drive for wheeled vehicles - uses magnetic field forforce transmission on to wheels without mechanical intermediate steps
03/10/1992CA1297149C Control systems for an electric drive
03/05/1992DE4027147A1 Control and battery supply connector for electric locomotive - connects battery box terminals in control casing between two battery boxes and drive motors
03/04/1992EP0472951A1 Driving device for a self-propelled vehicle
02/1992
02/26/1992CN2097118U Solar electric pedal bicycle
02/25/1992US5091687 Apparatus for exchanging and charging of energy storages of transport vehicles
02/20/1992DE4015317A1 Sec. cell battery using mobile electrochemically active materials - pumped into ion exchange membrane chamber and recirculated to residual spaces in reagent containers
02/12/1992EP0470143A1 Self-synchronous electric machine with controlled flow
02/12/1992CN2095798U Power device for electric bicycle
02/12/1992CN1015428B Electrically-propelled vehicle with circulating charging system
02/11/1992US5087865 Power governance circuitry
02/05/1992EP0468960A1 Power transferring arrangement.
02/04/1992US5086264 Motor torque compensation of an induction electric motor by adjusting a slip command during periods of supposed change in motor temperature
01/1992
01/29/1992CN1058184A 电动汽车 Electric vehicles
01/28/1992US5084658 Motor speed control system for an electrically powered vehicle
01/22/1992CN2093785U Electrically-propelled bicycle
01/14/1992US5081365 Electric hybrid vehicle and method of controlling it
01/08/1992CN1057614A Electric vehicle
12/1991
12/25/1991CN2091245U Electric moving platform-car
12/12/1991WO1991018495A2 New electric circuit system
12/11/1991EP0460850A2 Motor vehicles
12/11/1991EP0459998A1 Method and apparatus for dc motor speed control
12/10/1991US5070959 Work vehicle having an electric propulsion system with adapted overspeed limit for traction motors
12/05/1991DE4042377A1 DC electric drive e.g. for traction of vehicle or locomotive
12/04/1991CN2089894U Strong switch for transistor chopper
12/03/1991US5070283 Traction motor controller for forklift vehicles
12/03/1991CA1292796C Electronic motor control system for conveyance such as a wheelchair
12/03/1991CA1292795C Conveyance with electronic control for left and right motors
11/1991
11/21/1991EP0457594A2 A regenerative brake device for electric motor vehicles
11/21/1991DE4014696A1 Anordnung und verfahren zum laden eines akkumulators einer transportvorrichtung mit eigenem elektro-antrieb Arrangement and method for charging a battery of a transporter with its own electro-drive
11/14/1991WO1991017599A1 Device and process for charging the battery of a self-powered electric transport vehicle
11/13/1991EP0456345A1 Traction motor optimizing system for forklift vehicles
11/13/1991EP0456344A1 Traction motor controller for forklift vehicles
11/13/1991EP0455709A1 Method and device for controlling an energy conversion system
11/12/1991CA1292051C Motor vehicle driving system
10/1991
10/31/1991WO1991016755A1 A drive assistance device for a golf buggy
10/31/1991DE4013506A1 DC-operated drive system - has voltage converter between DC source and DC-AC converter supplying motor
10/17/1991WO1991015379A1 Speed control system
10/17/1991WO1991015378A1 Electric vehicle with individually controlled drive electromotors
10/17/1991WO1990008996A3 Method and apparatus for dc motor speed control
10/17/1991DE4011291A1 Elektrofahrzeug mit einzeln gesteuerten antriebs-elektromotoren Electric vehicle with individually controlled drive electric motors
10/16/1991EP0451551A1 Electrical driving device for a vehicle
10/16/1991CN1055328A Variable voltage limit control for electric propulsion system
10/15/1991US5058016 Computerized electrical vehicle
10/10/1991DE4109379A1 Vehicle hybrid drive operating control - maintains constant RPM of IC engine at optimum fuel economy and exhaust emission point
10/08/1991CA1290389C Speed reducing control system for a polyphase electric motor
10/02/1991EP0449397A2 Power supply device for a load of a trailer vehicle
10/01/1991US5053632 Electric braking and auxiliary engine mechanism for a motor vehicle
10/01/1991CA1289892C Automatic hybrid electric/ice vehicle with full time ice cruise control
09/1991
09/17/1991US5049802 Charging system for a vehicle
09/05/1991WO1991013389A1 Charging system for a vehicle
09/04/1991EP0444672A1 Speed controller of electric-motor vehicle
08/1991
08/13/1991US5039924 Traction motor optimizing system for forklift vehicles
08/07/1991CN2082243U Electrical carry-vechicle
07/1991
07/31/1991CN2081813U Electric go-kart
07/31/1991CN2081812U Reciprocating movement type electric pram
07/17/1991EP0437266A2 Vehicle with internal combustion engine, current generator, flywheel storage and electric drive motor
07/16/1991US5033000 Variable keyed power distribution and control system for motorized wheelchair
07/09/1991US5030898 Variable voltage limit control for an electric propulsion system
07/02/1991US5029229 Electric motor
07/02/1991CA1285609C Induction motor control apparatus and method
06/1991
06/27/1991WO1991008919A1 Power unit for vehicles
06/26/1991CN2079581U One-sided operation protector for dump device with electric wheels and dual-motors
06/21/1991WO1991009461A1 Direct current power control circuit
06/13/1991WO1991008123A1 Twin-axle vehicle
06/13/1991WO1991008122A1 Twin-axle vehicle
06/05/1991CN2078249U Motor-driven automobile capably operated at both end
06/05/1991CN1051891A Electrical driving vehicle
06/05/1991CN1051890A Electric propulsion system with adaptive overspeed limit for traction vehicles
05/1991
05/31/1991WO1991008121A1 Method and apparatus for propelling and retarding off-road haulers
05/29/1991EP0429058A2 Electric automobile
05/21/1991CA1284351C Induction motor synthesis control apparatus and method
05/08/1991EP0425758A1 Electrical connecting system of a socket of a multipole connecting device
05/02/1991EP0424906A1 Automatically charging system for electric automobile
05/02/1991EP0424868A2 Electrical drive system for a vehicle motor
05/02/1991EP0424577A1 Electric traction system
05/01/1991CN2076046U Subminiature electric cycle for woman or aged man
04/1991
04/30/1991US5012165 Conveyance with electronic control for left and right motors
04/27/1991CA2028493A1 Electric traction system
04/25/1991DE3935304A1 Combined alternative energy prodn., storage and drive system - uses regenerative braking to transfer energy to synthetic fibre cpd. or ceramic flywheel in vacuum chamber
04/25/1991DE3935228A1 Vehicular drive with power-branching planetary gear train - allows order-of-magnitude difference of power ratings of engine and electric or hydraulic regulating motor