Entries |
Document | Title | Date |
20090032321 | ELECTRIC WHEEL MOTOR ASSEMBLY - A drive axle assembly for driving a wheel of a vehicle includes a moveable suspension arm and a wheel spindle fixed to the suspension arm. A planetary gearset includes a sun gear, a ring gear and a carrier rotatably supporting a plurality of planet gears in meshed engagement with the sun gear and the ring gear. The carrier encompasses the wheel spindle and is drivingly connected to the wheel. An electric motor includes a rotor and a stator. The rotor drives the sun gear. | 02-05-2009 |
20090101424 | In-Wheel Motor Drive Unit - An in-wheel motor drive unit ( | 04-23-2009 |
20090101425 | Ground Interface for a Vehicle - A ground connection for a vehicle comprising a wheel ( | 04-23-2009 |
20090133944 | IN-WHEEL MOTOR SYSTEM - An electric motor | 05-28-2009 |
20090166111 | IN-WHEEL MOTOR - An in-wheel motor includes a rotating electric machine ( | 07-02-2009 |
20090166112 | Wheel Rotating Device for In-Wheel Motor Vehicle - A wheel rotating device ( | 07-02-2009 |
20090218150 | PATIENT SUPPORT APPARATUS WITH POWERED WHEEL - A patient support apparatus has a first frame and a second frame supported above the first frame and movable relative to the first frame. A plurality of casters are coupled to the first frame. A wheel is movable relative to the first frame between a lowered position engaging the floor and a raised position spaced from the floor. A drive assembly is coupled to the wheel and is operable to drive the wheel to propel the patient support apparatus along the floor. A foot pedal is coupled to the first frame and is movable to raise and lower the wheel relative to the floor. | 09-03-2009 |
20090236158 | In-Wheel Motor System - An in-wheel motor system includes a knuckle supporting a hub to be rotatable and including a tank portion in which a refrigerant is accumulated, a housing fixedly attached to the knuckle, a motor incorporated within the housing and driving the hub to rotate, and a pump incorporated within the housing and pumping the refrigerant accumulated within the tank portion to the motor by means of a rotational power of the motor to refrigerate the motor. | 09-24-2009 |
20090266629 | MOTORIZED TRANSPORT VEHICLE FOR A PEDESTRIAN - Autonomous and lightweight vehicle intended to transport a city dweller combined with the use of public transportation. Formed by one motorized wheel on which the user maintains, through speed, his or her lateral balance, and longitudinal balance is ensured by automatic functioning driven by an accelerometer. The footrests and the guide supports that tightly hold the leg are retractable. Driving does not require the use of the hands. The entire device goes into a bag, e.g. a backpack, and weighs less than 4 kg. | 10-29-2009 |
20090283345 | Axle assembly for electric drive machine - An axle assembly includes an electric drive motor oriented along an axis and disposed within a central axle housing. The electric drive motor includes a motor housing having an engagement face perpendicular to the axis. A spindle assembly includes an external connection to the central axle housing and an internal engagement face that is perpendicular to the axis. A sealing member is in sealing contact with the engagement face of the motor housing and the internal engagement face of the spindle assembly. | 11-19-2009 |
20090314562 | Transport vehicle magnetically induced wheel rotation - A transport vehicle wheel assembly comprising a set of rotating components and a set of static components wherein an applied electrical current applied to conductive material incorporated into at least one components structural matrix of one set of components gives rise to primary magnetic fields which interact with reactive magnetic fields associated with material incorporated into at least one components structural matrix of another set of components and gives rise to rotational forces which act on the rotating components of said transport vehicle wheel assembly to induce controlled forward rotation of a wheel and having regenerative braking and reverse drive ability thus allowing controlled retardation assistance | 12-24-2009 |
20090321162 | WHEELCHAIR WITH MIDDLE WHEEL DRIVE - A wheelchair has two central wheels ( | 12-31-2009 |
20100000811 | IN-WHEEL MOTOR SYSTEM - A geared motor | 01-07-2010 |
20100051365 | WHEEL ASSEMBLY WITH INTEGRAL ELECTRIC MOTOR - The subject invention provides a wheel assembly ( | 03-04-2010 |
20100071972 | ELECTRICAL MACHINE - An axial flux electrical machine is provided. The machine includes a plurality of rotors, each sandwiched between a respective pair of stator parts. The plurality of rotors, together with their respective stators, are axially-stacked to form a multistage machine. Heat exchangers are provided adjacent each stator to provide cooling. Each rotor disc is a composite rotor disc in which permanent magnets are embedded. The magnets are embedded in apertures through each disc so that surfaces of the magnets are flush with surfaces of the respective rotor disc. | 03-25-2010 |
20100078236 | SADDLE-RIDE ELECTRIC VEHICLE - To dispose a large battery in a saddle-ride electric vehicle equipped with a head pipe steerably supporting a front fork with the front wheel journaled to a lower end portion and a steering handlebar, a main frame extending downward and rearward from the head pipe, and an electric motor generating power for rotatively driving a rear wheel. The battery supplying electric power to an electric motor is disposed in a space S | 04-01-2010 |
20100078237 | ELECTRIC MOTORCYCLE - An electric motorcycle is provided such that even if a power drive unit is mounted to a swing arm, it is difficult for a load to be applied to wiring connected to the power drive unit. In an electric motorcycle in which a PDU and a running-purpose power-generating motor are attached to a swing arm turning around a pivot shaft, and electricity from batteries is supplied via a contactor box to the PDU, from which the electricity is supplied to a power-generating motor, torsional portions extending generally parallel to the pivot shaft are provided at a portion of output lines connecting the contactor box with the PDU so as to allow torsion to absorb swinging movement of the swing arm. | 04-01-2010 |
20100101879 | Motor Battery Systems - A combined motor-battery system comprising an electric power source adapted to convert self-originating electrical current to mechanical power utilizing a set of common functional structures. Preferred embodiments include an electrochemical cell comprising field reactive electrodes that directly produce extractable mechanical forces in the presence of a magnetic field. | 04-29-2010 |
20100108417 | PARALLEL POWER SUPPLIES FOR HEV APPLICATIONS - A suspension module that includes a suspension component, a pair of wheel hubs coupled to the at least one suspension component and an auxiliary drive system. Each wheel hub is mounted to a vehicle wheel. The auxiliary drive system has a pair of drive units, an auxiliary battery, an auxiliary battery charger and a controller. Each of the drive units has an electric motor that is selectively operable for providing drive torque that is transmitted to an associated one of the wheel hubs. The controller is configured to operate in a first mode wherein an output of the auxiliary battery charger is employed to charge the auxiliary battery. The controller is also configured to operate in a second mode wherein the output of the auxiliary battery charger and an output of the auxiliary battery are employed to power the electric motors of the drive units. | 05-06-2010 |
20100108418 | ELECTRIC WHEELCHAIR - An electric wheelchair that enables users suffering from impairment of the lower extremities due to paralysis or weakness caused by aging to manage their daily lives independently for social rehabilitation by allowing them to raise and lower the seat of the wheelchair between squatting and standing positions, to support their body weight at any position by stopping the chair, and to operate the movement of the wheel chair by using their arms or elbows pressed on either the inner or outer surfaces of the armrests even if both hands are occupied or impaired. | 05-06-2010 |
20100116572 | Autonomous Modular Vehicle Wheel Assembly - An autonomous modular wheel assembly includes at least one connector for connecting the wheel control assembly to a vehicle axle, one or more suspension arms that support the assembly with respect to the axle, an electric drive motor connected to a the vehicle wheel, a steering bearing, and a steering actuator. The electric drive motor and steering bearing control the operation of the vehicle wheel in response to commands received via the actuator. The connector has one or more electrical connection points for providing power and information to the wheel assembly. The robot wheel increases the vehicle steering range to up to 150 degrees and enables new vehicle drive modes. The traditional +/−30 degrees of front wheel steering are enabled, as well as at least three new drive modes: four wheel parallel and converse steering, spin on spot steering, and 90 degree sideways motion. | 05-13-2010 |
20100116573 | IN-WHEEL MOTOR VEHICLE - Disclosed herein is an in-wheel motor vehicle to increase design freedom of an electric motor mounted in a wheel, dynamic performance of the vehicle, and cooling performance of a brake device. The in-wheel motor vehicle includes a wheel rotatably mounted to a vehicle body, an electric motor mounted in the wheel to drive the wheel, an axle extending from the wheel to the vehicle body so as to be rotated together with the wheel, and a brake device mounted to the vehicle body at a position spaced apart from the wheel for braking of the axle. | 05-13-2010 |
20100139999 | MOTOR HAVING ROTORS ARRANGED CONCENTRICALLY AND DRIVING APPARATUS HAVING THE MOTOR - The present invention relates to a motor having yokes concentrically arranged and a driving apparatus having the motor. More particularly, the present invention relates to a motor, in which armature metal cores having coils wound thereon and yokes having magnets attached thereto are arranged in multiple stages around a central shaft, and a driving apparatus having the motor. A motor having yokes concentrically arranged according to an aspect of the present invention comprises a rotor and a stator. The rotor has a plurality of cylindrical yokes arranged in multiple stages in a radial direction and a plurality of magnets respectively fixed to the yokes with polarities of the magnets alternated with each other in a circumferential direction. The stator has armature metal cores arranged to face the respective yokes and a plurality of armature coils wound on the armature cores to face the magnets. A driving apparatus according to another aspect of the present invention comprises the aforementioned motor, a brake disk, and a caliper. The brake disk is fixedly coupled to the rotor of the motor. The caliper is installed to one side of the brake disk to restrain the brake disk from rotating. | 06-10-2010 |
20100147609 | ELECTRICALLY POWERED BUMPER CARS COMPRISING MULTIPLE DRIVE WHEELS AND INTEGRAL HUB MOTORS - “Bumper car” amusement rides are disclosed. An exemplary bumper car comprises a frame, a seat, multiple drive wheels, a motor controller, and at least one rider control. The seat is configured to hold and position at least one rider of the bumper car. The car is electrically powered from an internal and/or external power source. Each drive wheel comprises a respective hub motor that, when supplied with the electrical power from the source, rotates the respective drive wheel relative to the frame and propels the bumper car. The controller is connected to the source and to the hub motors. The controller is configured: (a) to limit a maximal current supplied by the source to the hub motors during a surge-current situation to a preset maximum, and (b) to ramp down the maximal current over a preset time interval during the surge-current situation. The at least one rider control is interconnected with the source and the hub motors and is configured to be manipulated by a rider for maneuvering the bumper car. | 06-17-2010 |
20100163323 | Road wheel propulsion apparatus and method of making - A road wheel propulsion apparatus for alternately propelling and retarding the rotation of a road wheel supporting an automotive vehicle. An electric drive motor is carried by a vehicle and is drivingly connected to a road wheel to provide motive force to the vehicle by driving the road wheel in rotation relative to the vehicle. The electric drive motor includes a radially inner motor stator to be fixed to a vehicle. The electric drive motor also includes a radially outer annular motor rotor to be carried within a road wheel and to be driven in rotation relative to the motor stator by electromagnetic forces developed by between the motor stator and the motor rotor. | 07-01-2010 |
20100206650 | Transport Vehicle - There has been proposed a transport vehicle designed to move in a self-contained transport system as well as on the automobile roads, comprising a frame consisting of a lower part, to which a plurality of wheels is secured, and of a top part comprising at least two arc-like curved rods to each of which electric rail drive units used as current collectors are connected in such a way that they are displaceable along a supporting current-conductive rail and along the arc-like curved rods. | 08-19-2010 |
20100212980 | POWER WHEEL - A power wheel is provided. The power wheel includes a wheel, a power-driving device, and a power supply for the power-driving device. The power supply and the power-driving device are fixed on the wheel. A power supply device such as a rechargeable battery is set in the wheel to fully utilize the space in the wheel. The power wheel is applicable in an electric bicycle, so that a body design of the electric bicycle is not influenced by mounting conditions of the rechargeable battery device, and a body structure of the electric bicycle is greatly simplified, thus being beneficial to the design and production of electric bicycles having varied types. At the same time, the power wheel device having the rechargeable battery set in the wheel enables the gravity center of the electric bicycle to be depressed, thus keeping the balance of the electric bicycle. | 08-26-2010 |
20100224430 | Power axle for a commercial vehicle - A power axle for assisting an automotive vehicle in ascending and descending steep slopes and grades includes an electromagnetic motor mounted to one floating axle of the vehicle, a junction box mounted to and electrically connected to the electromagnetic motor, a DC/AC power inverter mounted to the cab interposed between and for electrically interconnecting the vehicle's battery to the electromagnetic motor for powering the motor from the battery and control switches mounted on the dashboard and which include an on/off switch and a speed control dial for regulating and controlling the interaction and engagement of the electromagnetic motor with the floating axle of the vehicle. | 09-09-2010 |
20100230194 | DIRECT DRIVE ELECTRIC TRACTION MOTOR - A direct drive traction vehicle motor system for a wheeled vehicle includes an electric motor rotor for mechanically attachment to a vehicle wheel for rotational movement with the vehicle wheel. An attachment structure is concentrically mounting the rotor to the vehicle wheel. An electric motor stator is mounted in a concentric relationship with the rotor. A mechanical structure is coupled between the vehicle and the stator for inhibiting rotation of the stator. An electric drive circuit is electrically coupled to the motor stator for exciting the motor stator to impart a rotational force on the vehicle wheel through the rotor. | 09-16-2010 |
20100236848 | AXIAL THRUST CONTROL FOR GEARING - An outboard thrust bearing assembly includes: a drawbolt, an inner end cap, an outer end cap, and at least one race of thrust bearings; the drawbolt for clamping the inner end cap to the outer end cap and about a pinion gear of a planetary gear, wherein the at least one race of outboard thrust bearings is retained in place by the outer end cap, the pinion gear, a planetary gear carrier and a hub cap. A wheel motor and a vehicle are disclosed. | 09-23-2010 |
20100236849 | Brushless counter-rotating electric apparatus and system - A brushless counter-rotating electric apparatus, motor, wheel hub motor, and associated vehicle includes a brushless counter-rotating electric motor that has oppositely rotating armature and stator components, oppositely rotating armature and stator output drives and, when associated with a vehicle, a control assembly for speed-on/off control of the motor and a portable electric power supply. | 09-23-2010 |
20100243350 | MOTOR-DRIVEN VEHICLE - A motor-driven vehicle capable of increasing the degree of freedom of wiring for a motor. A drive wheel having a motor with a stator and a rotor serving as a drive source disposed in a wheel hub is rotatably supported on a wheel shaft between right and left forks. The stator is provided in a body-side retainer member fixed to a vehicle body, the rotor is rotatably supported on the wheel shaft, and wiring for the motor is passed through the body-side retainer member. The brake mechanism is provided on the drive wheel. As seen from a front of a vehicle body, the wheel hub is rotatably supported on the wheel shaft on one lateral side alone from a body center and the brake mechanism is disposed on one lateral side from a body center and the motor is disposed on the other lateral side from the body center. | 09-30-2010 |
20100300782 | ELECTRIC DRIVING UNIT FOR A VEHICLE - An electric drive unit for a motor vehicle includes an electric motor having a stator that is fixed with respect to a stub axle and a rotor that is rotatably supported with respect to the stub axle. A gear system has its input connected to the rotor for torque transmission. A wheel carrier is connected to the output of the gear system for torque transmission. A first bearing of the wheel carrier is provide on a first axial side of the electric motor facing away from the gear system. A second bearing of the wheel carrier is provided either on the first axial side of the electric motor, or in the gear system, realized in the form of a bearing of a rotatable gear system part connected to the wheel carrier. | 12-02-2010 |
20110000723 | High efficiency vehicle - Here invented are efficient road vehicles having special aerodynamic shapes, with stabilizing provisions that enable aerodynamic efficiency. It is a vehicle that is configured to include a carriage part that encloses a driver and passenger riding in tandem. This car width is for persons seated in single file, enabling a narrow width that makes a body shaped like an airship practical, where that shape is characterized by a very low drag coefficient in free flow conditions. This body is elevated on struts above a wheel system to enable such free flow aerodynamic conditions, thus, the drag coefficient of the airship is made applicable to this road vehicle. The wheel system includes wheels on each side of the vehicle that are arranged in horizontal columns, to which the struts are attached. The horizontal columns act as individual aerodynamic entities that function independently of the carriage aerodynamic operation. Because this car has both low frontal area and low drag coefficient it will require minimal energy for high speed operation. | 01-06-2011 |
20110000724 | Wheel Provided with Driving Means - The invention relates to a wheel provided with electric driving means in the wheel, the electric driving means comprising a rotor and a stator coaxially within the rotor and connectable to a vehicle, with an air gap provided between said rotor and said stator, wherein said wheel is provided with an air gap controlling bearing. | 01-06-2011 |
20110048824 | HEATER FOR ELECTRIC CAR - An electric vehicle includes a frame having a cab; a plurality of hub wheel motors mounted to the frame, each hub wheel motor rotating a wheel; and a heater and a fan thermally coupled to the cab, wherein the heater has an independent fuse to prevent a heater problem from shutting down the electric vehicle. | 03-03-2011 |
20110048825 | AIR CONDITIONER FOR ELECTRIC CAR - An electric vehicle includes a frame having a cab; a plurality of hub wheel motors mounted to the frame, each hub wheel motor rotating a wheel; and an air conditioner mounted on the frame and thermally coupled to the cab, wherein the air conditioner includes an inverter driving an electric compressor and the inverter is coupled to an independent battery for air conditioning. | 03-03-2011 |
20110048826 | POWER LINE INTERLOCK FOR ELECTRIC CAR - Systems and method are disclosed for operating an electric vehicle. The electric vehicle has a power plug adapted to be plugged into a power line; a plurality of hub wheel motors, each hub wheel motor rotating a wheel; a controller coupled to the plurality of hub wheel motors; a charger coupled to the power plug; and a battery coupled to the charger. The vehicle includes a power interlock coupled to the power plug, the controller and the charger, where the power interlock disables the controller if the power plug is plugged into line power and other wise enables the controller to operate at least the motors. | 03-03-2011 |
20110056757 | UNICYCLE - A unicycle ( | 03-10-2011 |
20110061956 | WHEEL CASING WITH EMBEDDED ROTOR FOR HUB MOTOR - A vehicle drivetrain with a wheel and an inside-out motor. The wheel includes a hub and a rim that is disposed about the hub. The rim includes a sealing bead that is configured to sealingly engage the opposite sidewalls of an inflatable tire. The inside-out motor includes a rotor that is at least partially disposed in the rim. | 03-17-2011 |
20110108339 | Electric motor - A rotary and linear motion device includes a magnetic stator assembly, opposed electromagnetic actuators, and a linear-to-rotary converter (e.g., cam). Each electromagnetic actuator includes a coil that is configured to reciprocate relative to the magnetic stator assembly or to linearly translate in a common direction relative to the magnetic stator assembly. The electromagnetic actuators are coupled to the linear-to-rotary converter and upon reciprocation or linear translation, drive the linear-to-rotary converter in rotary or linear motion. The device may be located inside a wheel, which may be part of a vehicle. If part of a wheel of a vehicle, the device can be used to provide propulsion, steering, braking, and suspension for the vehicle. | 05-12-2011 |
20110114404 | POWER RIM SYSTEM - A power rim system of the present invention includes magnets located on a rim of a vehicle, and coils are located on a wheel axle of the vehicle corresponding to the position extending into the rim, thereby forming a rim motor configuration when the rim and the wheel axle are joined together. Moreover, the power rim system is equipped with a motor control unit (MCU) connecting accelerator, brake and gear signals, a power detector, and rim motor angle signals, as well as being used to establish an electrical connection between a rim motor and a storage battery. When the vehicle accelerator is actuated, then electric power of the storage battery is output to the rim motor, which drives and rotates the rim, the electric supply being stopped when braking; moreover, electric power produced from the rotating rim is input to the storage battery and stored. | 05-19-2011 |
20110127094 | DRIVE UNIT VIBRATION DAMPING SUPPORT FOR ELECTRIC MOTOR-DRIVEN VEHICLE - A drive unit vibration damping support for use in an electric motor-driven vehicle combines the following structural features. A subframe construction in which a drive unit is supported in vibration damping fashion on a subframe through a first vibration damping device, and the subframe is supported in vibration damping fashion on a vehicle through a second vibration damping device. A total spring constant of the first vibration damping device in a direction of input of torque reaction force of the drive unit is larger than a total spring constant of the second vibration damping device. An average value of a distance between a torque roll axis of the drive unit and the second vibration damping device is greater than an average value of a distance between the torque roll axis and the first vibration damping device. | 06-02-2011 |
20110132676 | BATTERY ARRANGEMENT STRUCTURE OF VEHICLE - In a vehicle which comprises an electric motor to drive front wheels and/or rear wheels of the vehicle, a battery to supply an electric power to the electric motor, a dash panel partitioning a vehicle-inside space from a vehicle-front side space located in front of the vehicle-inside space, a floor panel partitioning the vehicle-inside space from a vehicle outside located below the vehicle-inside space, and a tunnel portion provided at the floor panel so as to project upwardly toward an inside of the vehicle-inside space, the battery is arranged so that a front-side part thereof is positioned in front of the dash panel and a rear-side part thereof is positioned inside of the tunnel portion in the vehicle longitudinal direction. Accordingly, an appropriate weight balance of the vehicle between front wheels and rear wheels of the vehicle can be provided. | 06-09-2011 |
20110139523 | IN-WHEEL MOTOR STRUCTURE - An improved in-wheel motor structure comprising a stator, integrating to a car frame fixing arm as one unit; a rotor, assembling with a wheel frame of the wheel as one unit; a shaft, integrating with the rotor as one unit, wherein the shaft and rotor is then connected to an engine driving shaft via a transmission unit integrally; and a plurality of bearings, locating between an inner side of the stator and the shaft of the rotor so that the rotor is rotated by using the stator as a central point of rotation. The improved in-wheel motor structure is utilized in the hybrid electric power to drive a wheel. | 06-16-2011 |
20110155490 | AUXILIARY DRIVE ASSEMBLY FOR WHEELCHAIRS - An auxiliary drive assembly for wheelchairs is revealed. The auxiliary drive assembly includes a wired transmission member, at least one sensor, a control circuit and a drive unit. The wired transmission member is arranged at a wheel hub on a wheel. The sensor is set on the wheel for generating a sensing signal sent to the wired transmission member. The control circuit is coupled to the wired transmission member, receiving the sensing signal and generating a control signal. The drive unit is coupled to the control circuit and receiving the control signal so as to drive the wheel hub rotating and further move the wheel. Thereby the assembly is with simple structure and the environmental interference is minimized by wired signal transmission. The sensing signal is sent to the control circuit exactly and the drive unit is controlled to rotate the wheel precisely. The wired transmission reduces the cost. | 06-30-2011 |
20110168464 | ELECTRIC POWERED CART FOR MOVING LOADS - A cart for moving loads includes a frame supported on wheels, a source of electric power supported on the frame, a drive system including a traction motor connected to the power source for driving a wheel secured to the frame and contacting ground, and a controller for adjusting a rotary direction of the drive wheel in response to selected states of an input to the controller. | 07-14-2011 |
20110168465 | HUB WHEEL MOTOR - A hub motor includes a motor shaft, which is fixed and non-rotational and a rotating wheel hub. The hub includes a plurality of coil windings positioned around the motor shaft; a plurality of magnets positioned around the coil windings; one or more sensors in the wheel hub housing; and a cable to supply power and communicate control signals to a controller. | 07-14-2011 |
20110168466 | HUB WHEEL MOTOR - A hub motor includes a motor shaft, which is fixed and non-rotational and a rotating wheel hub. The hub includes a plurality of coil windings positioned around the motor shaft; a plurality of magnets positioned around the coil windings; one or more sensors in the wheel hub housing; and a cable to supply power and communicate control signals to a controller. | 07-14-2011 |
20110174560 | IN-WHEEL MOTOR UNIT - An in-wheel motor unit is suspended from a vehicle body and outputs torque from an internal motor to a wheel; and has a knuckle, which is suspended from the aforementioned vehicle body; an output shaft, which outputs motor torque to the wheel; a wheel hub, which rotates together with the wheel and is connected to the output shaft such that the output shaft and the wheel hub can rotate together; and a unit casing for the in-wheel motor unit, which houses the motor. The wheel hub is rotatably supported by a first part of the knuckle via a hub bearing, and the unit casing is fixed to a second part of the knuckle via a sleeve. | 07-21-2011 |
20110247887 | WHEEL DRIVING APPARATUS - A wheel driving apparatus including a cylindrical inner housing ( | 10-13-2011 |
20110259658 | Power output device for wheeled vehicle - A power output device includes a spindle for attaching to a fork of a wheeled vehicle, a housing for attaching to a wheel and rotatably attached onto the spindle, a container disposed in the housing, a stator disposed in container, a rotor rotatably attached to the spindle, a gear attached to the rotor, a gear wheel secured to the container, a number of pinions engaged with the gear and the gear wheel and attached between two plates, an output shaft attached to one of the plates and attached to the container, and a control device having one or more batteries attached to the container, and an electric mechanism for operating the rotor and the gear to rotate relative to the stator and to rotate or drive wheel of the wheeled vehicle. | 10-27-2011 |
20110259659 | POLYPHASE TRANSVERSE AND/OR COMMUTATED FLUX SYSTEMS - Disclosed are single- and poly-phase transverse and/or commutated flux machines and components thereof, and methods of making and using the same. Exemplary devices, including polyphase devices, may variously be configured with an interior rotor and/or an interior stator. Other exemplary devices, including polyphase devices, may be configured in a slim, stacked, and/or nested configuration. Via use of such polyphase configurations, transverse and/or commutated flux machines can achieve improved performance, efficiency, and/or be sized or otherwise configured for various applications. | 10-27-2011 |
20110266079 | LEANING WHEELED PERSONAL ELECTRIC VEHICLE - An electric vehicle which is able to be steered by conventional bicycle-style steering, leaning rear steering or a combination of the two is herein described. | 11-03-2011 |
20110284300 | IN-WHEEL SWITCHED RELUCTANCE MOTOR DRIVE - A switched reluctance motor includes an inner stator having a plurality of stator poles with coil windings, the inner stator having a plurality of stator phases, an outer rotor configured to rotate around the inner stator, the outer rotor having a plurality of rotor poles, at least one position sensor configured to detect a position of the outer rotor, and a DC supply configured to sequentially supply current to excite the stator phases. | 11-24-2011 |
20110303471 | BICYCLE HUB WITH INTEGRATED MOTOR - A bicycle hub comprises a hub axle, a motor case and an integrated motor. The hub axle has a pair of frame attachment ends. The motor case is mounted on the hub axle such that the bicycle frame attachment ends protrude out of opposite axial ends of the motor case. The motor case including a recessed portion that is configured to receive a bicycle frame that is mounted to the bicycle frame attachment ends of the hub axle. The integrated motor is operatively mounted between the hub axle and the motor case. | 12-15-2011 |
20120006608 | IN-WHEEL MOTOR DRIVE UNIT - An in-wheel motor drive unit ( | 01-12-2012 |
20120024610 | ELECTRIC MACHINE - EVAPORATIVE COOLING - An electric machine ( | 02-02-2012 |
20120080252 | ELECTRIC BICYCLE HUB UNIT, AND ELECTRIC BICYCLE INCLUDING THE HUB UNIT - In an electric bicycle, an assist driving force is generated by a hub unit mounted in a front wheel. The hub unit includes a hub including a hub casing and a lid closing an open end of the hub casing, a motor, and a planetary gear deceleration mechanism which decelerates rotation of the motor and transmits the decelerated rotation to the hub. The motor is located adjacent the hub casing, and the planetary gear deceleration mechanism is located adjacent the lid. A roller braking device is attached to the lid. | 04-05-2012 |
20120168239 | SELF-CONTAINED DRIVE SYSTEM - The invention relates to a self-contained drive system ( | 07-05-2012 |
20120181099 | ROBOT CLEANER - A robot cleaner includes a main body, drive motors provided on the main body, each of the drive motors including a drive rotary shaft, drive wheels rotated by rotary force transmitted from the drive motors, gear units connecting the drive motors and the drive wheels, and wheel cover housings to support the drive wheels so that the drive wheels are pivotally rotated with respect to the main body, and pivot rotary shafts of the drive wheels and drive rotary shafts of the drive motors are coaxial with each other so as to achieve stable movement of the drive wheels. | 07-19-2012 |
20120228042 | MOTORIZED WHEELCHAIR - A motorized wheelchair includes a frame, a battery support assembly that supports a battery box and is connected to the frame, first and second power drive assemblies disposed on each lateral side of the wheelchair, first and second rear wheels driven by the power drive assemblies, first and second castor wheels driven by the power drive assemblies, and first and second castor wheels that are pivotally connected to said frame. The battery support assembly is pivotally connected to the frame by a first connecting arrangement, so that said battery support assembly can pivot around a first longitudinal axis. The battery support assembly is pivotally connected to the first connecting arrangement by a second connecting arrangement, so that the battery support assembly can pivot around a second lateral axis. | 09-13-2012 |
20120241234 | Chair With A Height-Adjustable Seat - A chair for use by a person with limited lower-body mobility, the chair having a height adjustable seat and chair sides that fold down to form a ramp or bridge to facilitate lateral movement by a user between the chair and an adjacent surface. | 09-27-2012 |
20120285756 | WEARABLE MOBILITY DEVICE - A wearable mobility device comprising a base for the placement of a shoe, the base including a heel-support section, a battery pack, a tail reflector, and a wireless receiver. The device including a first wheel having a wheel hub motor embedded therein, the motor rotatably connected to a first partial axial shaft connected to the base. The device including a second wheel having a wheel hub motor controller embedded therein, the motor controller rotatably connected to a second partial axial shaft connected to the base and operative to control a speed of rotation of the first wheel and the second wheel. The device also including a remote control for controlling the speed of rotation of the first wheel and the second wheel, the remote control operative to transmit one or more control signals to the wireless receiver, the wireless receiver being electrically coupled to the motor controller. | 11-15-2012 |
20130161104 | IN-WHEEL MOTOR ELECTRIC VEHICLE - To reduce the weight of the drive system as a whole with a central focus placed on an inverter, particularly, the length of a wiring and a tubing around the inverter and also to reduce the weight of an electric vehicle through an efficient cooling of the inverter, a single inverter ( | 06-27-2013 |
20130192910 | ELECTROACTIVE POLYMER (EAP) -BASED ROTARY MOTION DEVICES - Rotary motion devices ( | 08-01-2013 |
20130199861 | DRIFTING KART - Drifting karts in accordance with embodiments of the invention are described that include a front wheel drive train and rear caster wheels that can be dynamically engaged to induce and control drift during a turn. One embodiment of the invention includes a chassis to which a steering column is mounted, where the steering column includes at least one front steerable wheel configured to be driven by an electric motor, a battery housing mounted to the chassis, where the battery housing contains a controller and at least one battery, wiring configured to provide power from the at least one battery to the electric motor, two caster wheels mounted to the chassis, where each caster wheel is configured to rotate around a rotational axis and swivel around a swivel axis, and a hand lever configured to dynamically engage the caster wheels to induce and control drift during a turn. | 08-08-2013 |
20130277128 | Robotic Omniwheel - A robotic omniwheel for motion comprising in wheel motor assemblies, break, a motorized universal joint for rocking action, an active transmission rod to uniquely engage lift and expansion for chassis, power cable, a status control system sensors, a drive logic system comprising laser radar, GPS, and navigational control systems comprising hand held remote controller and a cellular phone for navigation, a dash computer with monitor, and steering controller devices to navigate chassis which houses an electrical system that maintains charge to battery bank and grid charge system with access plug, and also may include an omnichair control and a rotational floorboard with controller, motor and cog gear that supports a navigational clear having a joy stick control device to navigate steering, breaking and speed and to thus travel in a holonomic manner for fun and to transport a load or passenger(s). | 10-24-2013 |
20130333966 | VEHICLE AND A MODULAR DRIVE APPARATUS FOR THE VEHICLE - A vehicle and a modular drive apparatus for the vehicle are disclosed. The apparatus includes a wheel assembly rotatable about a central axis in first and second directions. The wheel assembly is also pivotable about a pivot axis transverse to the central axis in third and fourth directions. The apparatus includes an electric motor coupled to the wheel assembly for rotating the wheel assembly in the first and second directions. The apparatus includes a braking device coupled to the wheel assembly for braking the wheel assembly. The apparatus includes a steering mechanism coupled to the wheel assembly for pivoting the wheel assembly in the third and fourth directions. The apparatus includes a housing receiving the wheel assembly, the electric motor, the braking device, and the steering mechanism to define a self-contained unit for attaching to and detaching from the vehicle to provide interchangeability of the self-contained unit. | 12-19-2013 |
20130341109 | DIAGNOSTIC METHOD FOR MOTOR - A diagnostic apparatus for diagnosing a drive motor of a vehicle includes a start-up abnormality detection section to detect coil temperature, coil resistance or insulation resistance of a motor coil during a non-traveling time in which electric power supply is applied and to determine occurrence of abnormality in the motor coil when the coil temperature is greater than a threshold value or the coil resistance or insulation resistance is greater than a threshold value, and a travel abnormality detection section to detect coil temperature, rotation number of the motor, a motor applied voltage and a motor current during traveling of the vehicle and to determine occurrence of abnormality in the motor coil when the coil temperature is greater than a threshold value or the relation between the motor applied voltage and the motor current relative to the rotation number fails to fall within a predetermined range. | 12-26-2013 |
20140014425 | IN-WHEEL MOTOR APPARATUS - An in-wheel motor apparatus includes an in-wheel motor loaded on a wheel having a rotational shaft extending in a transverse direction of a vehicle body. The in-wheel motor and the wheel are suspended by a suspension mechanism retained by the vehicle body such that movement of the suspension mechanism in the transverse direction is restricted. The in-wheel motor is loaded on the wheel such that a rotational shaft axis of the in-wheel motor is orthogonal to, oblique to, or non-intersecting from a rotational shaft axis of the wheel. | 01-16-2014 |
20140034402 | ELECTRIC MACHINE - EVAPORATIVE COOLING - An electric machine comprises a rotor, preferably having permanent magnets, although other field generation means are available, and a stator. The stator has coils wound on stator bars for interaction with the magnetic field of the rotor across an air gap defined between them. The rotor comprises a housing of a chamber containing refrigerant. The rotor housing has heat dissipating fins accessible by the open environment whereby air movement relative to the housing caused at least by rotation of the rotor absorbs heat from the fins. The machine may be an axial flux machine, the coils being wound on bars that are disposed circumferentially spaced around a fixed axle of the machine forming a rotational axis of the rotor. The machine may be a wheel motor for a vehicle, wherein the wheel is mounted directly on the rotor housing. | 02-06-2014 |
20140083785 | STEERABLE WHEEL ASSEMBLY FOR A VEHICLE, AND VEHICLE INCLUDING SUCH AN ASSEMBLY - A steerable wheel assembly comprising a mounting bracket ( | 03-27-2014 |
20140090909 | WHEEL BEARING UNIT, AND MOTOR VEHICLE HAVING WHEEL BEARING UNIT - A wheel bearing unit comprises an inner ring and an outer ring. The outer ring is mounted rotatably and is arranged concentrically with respect to the inner ring. The inner ring serves to receive a wheel and the outer ring serves for fastening to a wheel support of a motor vehicle. The wheel bearing unit has, between the inner ring and the outer ring, a first ball row and a second ball row which is arranged parallel to the first ball row. A follower is arranged in a rotationally fixed manner with respect to an outer side of the inner ring between the first ball row and the second ball row. The follower is connected directly or indirectly to a rotor of an electric machine in a torque-transmitting manner. | 04-03-2014 |
20140090910 | FOLDABLE MOBILITY DEVICE - A foldable mobility device includes a chassis assembly, a steering assembly rotatably coupled to the chassis assembly, a seat assembly coupled to the chassis assembly through a first folding mechanism configured to convert the seat assembly between a first folded position and a first unfolded position, a front wheel assembly coupled to the steering assembly and configured to be rotated by the steering assembly for steering the foldable mobility device, and one or more rear wheel assemblies coupled to the chassis assembly through a second folding mechanism configured to convert the one or more rear wheel assemblies between a second folded position and a second unfolded position. | 04-03-2014 |
20140124278 | ELECTRICALLY DRIVEN VEHICLE - An electrically driven vehicle includes a first electric motor, a second electric motor, a first power drive device, a second power drive device, a first heat sink, a second heat sink, a baffle member, a first air guide passage, and a second air guide passage. The baffle member closes a space defined between the first power drive device and the second power drive device at a first end and a second end of the space. The first air guide passage houses the first heat sink. The first air guide passage is provided between a first partition wall and the first power drive device. The second air guide passage houses the second heat sink. The second air guide passage is provided between the first partition wall and the second power drive device. | 05-08-2014 |
20140231160 | MOTOR DRIVE APPARATUS FOR ELECTRIC FORKLIFT AND ELECTRIC FORKLIFT ADOPTING THE SAME - A motor drive apparatus of an electric forklift includes first and second torque command value generation units that individually generate a torque command value indicating torque of a corresponding traveling motor in response to a gap between a speed command value and a speed detection value; and first and second slip detectors that individually generate a slip ratio estimation value showing a slip state of a corresponding drive wheel based on the speed detection value and the torque command value. The slip detectors individually have a first arithmetic unit which generates an inertial force estimation value proportional to a differential value of the speed detection value of the corresponding traveling motor and a second arithmetic unit which generates the slip ratio estimation value in response to a relationship between the corresponding inertial force estimation value and the torque command value of the corresponding traveling motor. | 08-21-2014 |
20140284122 | SUSPENSION SYSTEM FOR IN-WHEEL MOTOR VEHICLE - Included are an elastic support mechanism ( | 09-25-2014 |
20140353056 | AXLE SUPPORT STRUCTURE - An axle support structure includes a drive source output shaft, an axle, a vehicle body-side member, a vehicle wheel bearing and a floating shaft. The drive source output shaft is configured to be rotated by a drive source. The axle is disposed coaxially with the drive source output shaft to rotate integrally with a vehicle wheel. The vehicle wheel bearing is coupled to the axle for rotatably supporting the axle on a vehicle body-side member. The floating shaft has a first linking part linked with the drive source output shaft with a degree of freedom in a non-rotational direction, and a second linking part linked with the axle with a degree of freedom in a non-rotational direction, such that power is transmitted from the drive source output shaft to the axle. The vehicle wheel bearing is disposed axially between the first and second linking parts. | 12-04-2014 |
20140374178 | DEVICE FOR DRIVING REAR WHEEL OF ELECTRIC VEHICLE - A device for driving a rear wheel of an electric vehicle is provided. In one embodiment, the rear wheel driving device includes a motor for supplying rotational power, a gear group connected to a rotor of the motor, a final gear connected to the gear group, an output shaft connected to the final gear and rotating, a hub installed on an outer circumferential surface of the output shaft using a nut, a wheel connected to the hub, an axle housing connected to the hub using a hub bearing, a motor cover protecting the motor and mounting an output shaft bearing, and a trailing arm connected to the axle housing using an axle housing bolt and configured to mount the motor from an exterior side to an interior side of a vehicle. | 12-25-2014 |
20150090507 | MOTOR DRIVING DEVICE FOR FORKLIFTS AND FORKLIFT USING SAME - A motor drive apparatus, mounted to a forklift and controlling at least one motor configured to rotate a drive wheel of the forklift, based on a speed command value indicative of a target speed of the forklift, includes a turn speed limit unit in which a speed limit curve configured to stipulate an upper limit value of a speed of the forklift is defined as a function of a turning angle of the forklift such that an angular velocity with respect to a center of rotation of the forklift does not exceed a threshold value, the turn speed limit unit being configured to limit the speed command value to be equal to or less than an upper limit value determined according to the speed limit curve and the turning angle, and a drive unit configured to drive the at least one motor according to the speed command value. | 04-02-2015 |
20150144410 | ELECTRIC MOTOR OR GENERATOR SYSTEM - An electric motor or generator system comprising a stator, a rotor, a first bearing, a first coupling device and a second coupling device, wherein the second coupling device includes a first coupling element arranged to be coupled to a vehicle and a second coupling element coupled to the rotor with a second bearing mounted between the first coupling element and the second coupling element to allow the rotor to rotate relative to the vehicle, wherein the first bearing is mounted between a surface of the stator and a surface of the rotor or the second coupling element to allow the rotor to rotate relative to the stator and the first coupling device is arranged to substantially preventing movement of the stator relative to the first coupling element in a first degree of freedom while allowing movement of the stator relative to the first coupling element in at least a second degree of freedom. | 05-28-2015 |
20160052356 | SUSPENSION DEVICE FOR AN IN-WHEEL MOTOR DRIVEN WHEEL - A suspension device for an in-wheel motor driven wheel ensures a lever ratio and stroke of a shock absorber without setting the upper end portion of the shock absorber at a high position. A wheel driven by an in-wheel motor unit is suspended on a vehicle body via a suspension structure member and a shock absorber, the suspension structure member including an upper suspension arm pivotally supported with respect to the vehicle body, and a third link. The third link pivotally connects the upper suspension arm to the wheel while having a shock absorber connecting portion to which the lower end of the shock absorber is connected. Further, the shock absorber connecting portion is disposed in the vehicle bottom position lower than an upper end surface of the in-wheel motor unit. | 02-25-2016 |
20160052359 | SUSPENSION DEVICE FOR IN-WHEEL MOTOR DRIVEN WHEEL - A suspension device for an in-wheel motor driven wheel is provided. An upper suspension arm is pivotally supported on the vehicle body for supporting the wheel in a vehicle upper position higher than an axle. A link member pivotally connects the wheel to the upper suspension arm and has an absorber connecting portion connected to a lower end of the shock absorber. The shock absorber connecting portion is disposed in the vehicle bottom position lower than an upper end portion of the in-wheel motor unit. The shock absorber is disposed between the vehicle body and the in-wheel motor unit and inclined so as to be closer to the vehicle body toward the lower end. | 02-25-2016 |
20160068054 | IN-WHEEL MOTOR UNIT FOR A VEHICLE - An in-wheel motor unit for a vehicle having a drive output shaft of a drive unit body and a wheel hub shaft supported by a hub bearing with respect to a case member of the drive unit body are connected via a displacement absorption mechanism. The displacement absorption mechanism comprises an output shaft side drive transmission fitting portion allowing a first inner tooth portion of the drive output shaft to mesh with a first outer tooth portion of a gear coupling shaft, and a hub shaft side drive transmission fitting portion allowing a second inner tooth portion of the wheel hub shaft to mesh with a second outer tooth portion of the gear coupling shaft, the second outer tooth portion being arranged axially in the vehicle exterior side with respect to a wheel mounting surface on which a tire wheel is mounted to the wheel hub. | 03-10-2016 |
20160068055 | DRIVE WHEEL HAVING AN ELECTRIC WHEEL HUB MOTOR FOR MOTOR VEHICLES AND MOTOR VEHICLE - A drive wheel having an electric wheel hub motor for a motor vehicle includes a stator arranged around a wheel hub and is connected to the wheel hub in a non-rotatable manner. A rotor is mounted in such a manner that it can rotate relative to the stator to drive a wheel rim connected to the rotor in a non-rotatable manner. At least two energy storage devices are arranged between the wheel hub and the stator to output electrical energy for operation of the electric wheel hub motor. The energy storage devices are embodied in each case in the shape of a ring segment in such a manner that the energy storage devices form a closed ring around the wheel hub when lying adjacent to one another. | 03-10-2016 |
20160068056 | SELF-POWERED PLANETARY ORBITAL WHEEL ASSEMBLIES - Powered wheel assemblies and methods of manufacturing and operating such assemblies are provided. | 03-10-2016 |
20160083039 | FOLDABLE ELECTRIC VEHICLE - Foldable electrical vehicles and related charging infrastructure are described. The foldable electrical vehicle generally includes three structural armatures (front and rear wheel-bearing armatures and a seat-bearing armature) that are pivotally interconnected along their lengths such that they may be pivoted between a closed position wherein the three armatures are disposed roughly parallel to each other in a compact folded configuration, and an open riding configuration wherein an angular relation is formed between the armatures. | 03-24-2016 |
20160129937 | VEHICLE - Provided is a vehicle which, when a pair of left and right wheels are displaced with respect to the vehicle body due to the difference in drive force between the wheels, the two wheels are reliably displaced vertically in opposite directions such that neither wheel is disproportionately displaced and such that both wheels are steered during said displacement of both wheels vertically in opposite directions. An electric motor applies drive torque to the front wheels individually. A vehicle body frame supports the front wheel support member to allow rotation about a forwardly inclined steering axis (Lf). By allowing rotation of the front wheel support member about the steering axis (Lf), the front wheels are displaced relatively to one another vertically in opposite directions with respect to the vehicle body frame and the front wheels are steered. | 05-12-2016 |
20160152288 | Modular Low Floor Transport System | 06-02-2016 |
20160167505 | IN-WHEEL MOTOR DRIVE DEVICE | 06-16-2016 |
20160167698 | STEERING DEVICE AND VEHICLE INCLUDING THE SAME | 06-16-2016 |
20160193889 | MACHINE SUSPENSION AND HEIGHT ADJUSTMENT | 07-07-2016 |