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Document Title |
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5701965 |
Human transporter
There is provided, in a preferred embodiment, a device for transporting a human subject over ground having a surface that may be irregular and may include stairs. This embodiment has a support for...
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5694017 |
Time delay compressed synchronous frame controller
A time delay compensated synchronous reference frame controller for a drive motor having a rotor and using an alternating current having a phase angle includes a low pass filter electrically...
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5690580 |
Neutral apparatus for electric vehicle
A neutral apparatus for use on an electric vehicle is disclosed. The neutral apparatus comprises a control state detector and a neutral mechanism control circuit. The control state detector detects...
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5678760 |
Cooling system of electric automobile and electric motor used therefor
A cooling system for an electric automobile is characterized in that a heat source is forcibly cooled with a coolant of non-freeze solution, forcibly recirculated through a pipe.
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5655990 |
Shift control method for electric vehicle
A shift map used for controlling the shifting of a transmission in an electric vehicle based on the accelerator opening degree and the vehicle speed as parameters has a medium shift stage region in...
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5647534 |
Device for heating an interior of an electric vehicle
The invention relates to a device for heating the interior of an electric vehicle having an air-cooled high-temperature battery. Waste heat form the battery is supplied to the interior via a liquid...
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5633544 |
Wheel motor
A wheel motor for a vehicle has an electric motor which is arranged in a central space defined in a wheel, to rotatively drive the wheel. A gear reducer is also arranged in the central space of the...
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5632351 |
Power converter and electric car drive system employing the same
A power converter having substantially a "U" shape is mounted on the axial side of a motor from which a drive shaft protrudes. Due to the opening end of the "U" shape, the power converter may be...
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5627752 |
Consumption-oriented driving-power limitation of a vehicle drive
A method for assisting the driver of a vehicle in the optimum use of the on-board energy supply, by consumption-oriented driving-power limitation, especially for electric vehicles. A permissible...
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5588498 |
Electric hybrid vehicle
An electric hybrid vehicle has an engine for driving a generator to supply electric power to a vehicle driving motor. The engine with a catalytic converter is operated when a charged condition of a...
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5577569 |
Vehicle safety device
A vehicle safety device designed to reliably prevent uncontrolled travel or runaway of a vehicle when a collision accident occurs. A breaker is connected in a current path between a battery and a...
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5555949 |
Electricaly operable wheelchair having a controller responsive to different types of inputs
An electrically operable wheelchair includes a pair of support wheels coupled with a pair of drive motors, one of a plurality of different types of user-operable input devices, and a controller...
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5552988 |
Power unit for motor vehicles
A regenerative braking system in a motor vehicle determines a state of deceleration on the basis of the number of revolutions of a motor and an accelerator signal and performs a regenerative...
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5534364 |
Battery box device for electric vehicle
A battery box device for use on an electric vehicle includes a drive power supply having a plurality of storage batteries for supplying the electric energy to drive the electric vehicle, a circuit...
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5515937 |
Non-trackbound vehicle with an electric transducer
A motor vehicle including a unit (2) consisting of an internal combustion engine, a generator supplying current to electric motors (12, 16) coupled with driving wheels (14, 18) over an energy...
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5510658 |
Circuit breaker device for electric vehicle
A circuit breaker device for use on an electric vehicle has a high-voltage drive power supply for supplying electric energy to a load to drive the electric vehicle, a circuit breaker for cutting...
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5508924 |
Driving force controller for an electric vehicle with electric motors provided for all driving wheels individually
A driving force controller for an electric vehicle calculates the optimal driving force of each driving wheel based on a formula in response to the detected wheel acceleration and the difference...
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5495908 |
Electric car control system
A control system for an electric car includes a motor connected to a battery as a main power source for driving the electric car, a strong electricity unit having high voltage devices including an...
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5492192 |
Electric vehicle with traction control
A vehicle traction control system comprising an electric motor and drive system for an electric vehicle, at least one driven wheel mechanically connected to the electric motor and drive system, at...
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5476424 |
Vehicle power transmission apparatus
A vehicle power transmission apparatus is provided for maintaining a constant power output when driving a vehicle regardless of the change in the frictional force of the belt in a belt type...
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5471384 |
Electromobile
An electromobile includes a motor; an output torque cutting commanding circuit for commanding the cutting of the output torque of the motor responsive to detection of a predetermined condition; and...
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5453930 |
Drive system for electric automobiles
A wheel motor drive system for electric automobiles comprises a car battery mounted on a vehicle body, at least two electric motors connected to vehicle wheels independently of each other, each of...
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5416702 |
Vehicle electrical-load limiting apparatus
A vehicle electrical-load limiting apparatus wherein the priority given over a plurality of electrical loads, for restricting the driving of the electrical loads mounted on a vehicle, is first...
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5389825 |
System of controlling changeover of an electric power source for an electric motor vehicle
A system of changing over an electric power source for an electric motor vehicle including a secondary battery and a generator. The system is provided with a changeover circuit for changing over a...
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5365431 |
Control of electric vehicle motors responsive to detected vehicle speed and required total driving force
An electric motor vehicle having a plurality of motors mounted thereon as a driving force source includes a detector for detecting the vehicle speed; a detector for detecting the load applied to...
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5289890 |
Drive unit for electric motor vehicle
A drive unit for an electric motor vehicle includes first and second electric motors having characteristics which achieve high efficiencies in different operational regions. A common motor shaft...
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5253724 |
Power wheelchair with transmission using multiple motors per drive wheel
A powered wheelchair 50 comprises a frame 52 and two independently rotatable drive wheels 54 and 56 mounted to the frame 12. Two motors 62 and 64 are coupled via coupler 70 to the drive wheel 54...
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5251680 |
Collision-preventing apparatus for electric motor vehicle
A collision-preventing apparatus for an electric motor vehicle in which wheels are driven by electric motors and the electric motors are subjected to braking such as regenerative braking or dynamic...
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5248007 |
Electronic control system for stair climbing vehicle
An electronic control system for a stair climbing vehicle, such as a wheelchair is disclosed. Front and back sensors are provided for detecting a stairway or slope. The electronic control system...
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5234066 |
Power-assisted wheelchair
A power-assisted wheelchair is disclosed that is particularly well suited for use by a person capable of exerting some hand/arm force in attempting to propel the wheelchair while seated therein,...
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5224562 |
Motorized walking aid
A walking aid has a supporting framework (2, 3) mounted on two independently driven wheels, (5, 7) driven by respective electric motors (6, 8). The motors are operable by respective switches (10,...
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5192899 |
Electromagnetically powered rotary motor apparatus and method
A motor system apparatus and method that converts pulsed electromagnetic energy into mechanical force and motion. The motor apparatus produces usable mechanical power by rotary action made possible...
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5179494 |
Excess voltage protection apparatus for an electric vehicle
A protection device is provided for a control apparatus for use in an electronic automobile with a motor and a transistor for driving the motor. The protection device comprises a short-circuit...
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5172784 |
Hybrid electric propulsion system
A hybrid electric vehicle propulsion system having an external combustion free-piston engine is provided with an integral linear electric current generator and a pulse frequency controller. The...
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5166584 |
Electric vehicle
In an electric vehicle driven by an electric motor, a battery accumulator supplies electricity to the electric motor and a plurality of auxiliaries. A generating unit generates electricity in order...
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5161634 |
Electric vehicle
An electric vehicle that runs at a speed controlled by adjusting power supply to an electric motor in response to a speed setting signal from a speed setting device including an accelerator lever...
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5148883 |
Regenerative braking electric vehicle with four motors
An electric vehicle is equipped with four electric motors, one for driving each of the four wheels, load sensors for detecting the loads applied to the wheels, and a control unit. The control unit...
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5070959 |
Work vehicle having an electric propulsion system with adapted overspeed limit for traction motors
An electrical propulsion system for a traction vehicle adapted to haul a payload, the vehicle being equipped with weight sensing device for distinguishing between loaded and unloaded conditions and...
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5065320 |
Control and display system for a battery powered vehicle
In a battery powered vehicle such as an forklift truck, control data is stored in a memory (39) by an operation of the keys (11a, 11b, 11c, 11d, 11e) on a control panel (10) mounted at the...
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4962462 |
Fuel cell/battery hybrid system
A fuel cell/battery hybrid power system is disclosed which has a microprocessor based control system. The control system enables the fuel cell to be taken out of the system by a switch when its...
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4961151 |
Fuel cell/battery control system
A fuel cell/battery hybrid power system is disclosed which has a microprocessor based control system. The control system enables the fuel cell to be taken out of the system by a switch when its...
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4931947 |
Fuel cell/battery hybrid system having battery charge-level control
A fuel cell/battery hybrid power system is disclosed which as a microprocessor based control system. The control system enables the fuel cell to be taken out of the system by a switch when its...
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4782938 |
Hydraulic and electrical system for aircraft belt loader
This invention relates generally to hydraulic and electrical systems for aircraft belt loaders and more particularly to such systems with interlocks to facilitate efficient and safe operation. The...
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4766967 |
Oscillation control system for electric motor drive
A feedback system for controlling mechanical oscillations in the torsionally complaint drive train of an electric or other vehicle. Motor speed is converted in a processor to estimate state signals...
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4679645 |
Mechanical device for transmitting signals through a swivel connection
An electromechanical device for transmitting a binary ON-OFF or an analog signal through a rotary connection between two parts of a mechanical system. It is applicable to rotary connections in...
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4661794 |
Mounting structure for resistors used for controlling the running of industrial vehicles
A mounting structure for resistors used for controlling the running of industrial vehicles, is disclosed. The apparatus is so constructed that a control panel of an L-shaped, said control panel...
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4651066 |
Ferrite permanent magnet electrical machine and the application thereof within vehicle traction drives
A drivetrain (48) for an electric passenger vehicle (10) includes a battery (40) for energizing a single-phase A.C. traction motor (18) which drives a ground engaging wheel (12) through a...
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4648473 |
Speed control for an electric golf car
A speed control for an electric golf car providing sequential changing between a plurality of speeds such that the golf car must accelerate through fixed speeds for predetermined times prior to...
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4585085 |
Electric wheel-drive for motor vehicles, in particular for nondestructive hybridization of automobiles
An electric wheel-drive for motor vehicles, particularly automobiles with internal combustion engine, which can be installed nondestructively-reversibly in place of the brakes, with brushless,...
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4562894 |
Coupling multi driving system
A coupling multi-driving system for producing rotational energy comprises an internal combustion engine, an output shaft and a unitary rotary drive mechanism. The rotary drive mechanism includes...
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