With Gearing Between Electric Motor And Drive Wheel Patents (Class 180/65.6)
  • Patent number: 8820448
    Abstract: The in-wheel motor of the present invention includes: a cylindrical coil body; a coil body support member fixed to a shaft; an outer yoke that is disposed on an outer circumferential side of the coil body, and is fixed to a wheel disk; a magnet fixed on an inner circumferential face of the outer yoke; an inner yoke that is disposed on an inner circumferential side of the coil body, and is disposed to face the coil body. The outer yoke and the inner yoke are fixed, and are rotatable around the shaft; and a caliper is provided on an inner circumferential side of the inner yoke.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: September 2, 2014
    Assignee: M-Link Co., Ltd.
    Inventors: Manabu Shiraki, Akira Kitajima
  • Patent number: 8820449
    Abstract: An electric vehicle includes an axle that is a hollow cylindrical shaft. A motor shaft is inserted into a hollow portion of the axle substantially coaxially with the axle. In this case, on one side of a wheel, a motor is connected to a base end of the motor shaft extending from one end of the axle. Also, on the other side of the wheel, a reduction mechanism is connected to a leading end of the motor shaft extending from the other end of the axle.
    Type: Grant
    Filed: March 21, 2012
    Date of Patent: September 2, 2014
    Assignee: Honda Motor Co., Ltd.
    Inventor: Masahiro Nakashima
  • Patent number: 8825320
    Abstract: A method for controlling a powertrain includes monitoring a desired synchronous transmission shift during deceleration of an output member including a desired operating range state, monitoring an output speed, predicting output deceleration through the desired synchronous transmission shift, determining a penalty cost associated with the desired synchronous transmission shift based upon an input speed profile resulting from the predicted output deceleration and from the desired synchronous transmission shift, and executing the synchronous transmission shift based upon the penalty cost.
    Type: Grant
    Filed: October 3, 2008
    Date of Patent: September 2, 2014
    Assignees: GM Global Technology Operations LLC, Daimler AG, Chrysler Group LLC, Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Anthony H. Heap, Lawrence A. Kaminsky, Jy-Jen F. Sah, Kee Yong Kim
  • Patent number: 8814737
    Abstract: A wheel driving device includes: a reduction mechanism of which at least a part is disposed on an inside of a wheel; a casing; a relative rotation member rotating relative to the casing; a bearing disposed between the casing and the relative rotation member; and an oil seal sealing a space where the reduction mechanism is present, wherein an outer race of the bearing includes a main body portion of which an outer periphery is disposed on an inside of the casing, and an extending portion which extends from the main body portion in an axial direction and of which an outer periphery is exposed from the casing, and the oil seal abuts on the extending portion and the relative rotation member.
    Type: Grant
    Filed: August 16, 2012
    Date of Patent: August 26, 2014
    Assignee: Sumitomo Heavy Industries, Ltd.
    Inventor: Masayuki Ishizuka
  • Patent number: 8807254
    Abstract: The invention provides an electrical wheel comprising a hub located along a center line, a rim being rotatable about the hub such that the center line forms axis of revolution, and an electrical unit arranged to provide torque between the hub and the rim. The rim forms a compartment with a sidewall extending between a circular bottom and an opening. The hub extends through a suspension located centrally in the circular bottom and terminates in a free end inside the compartment. The electrical unit is located in the compartment in continuation of the hub and fixed to the free end of the hub. The wheel comprises a transmission for transferring the torque from the electrical unit to the rim. The transmission is arranged in the compartment about the hub, and the transmission is located between the bottom and the electrical unit.
    Type: Grant
    Filed: June 3, 2011
    Date of Patent: August 19, 2014
    Assignee: Nordict A/S
    Inventor: George Manus
  • Patent number: 8800699
    Abstract: A drive arrangement for an electric vehicle has an axle drive device of a portal design with two electric machines for driving the wheels of an axle of the electric vehicle, and at least one electric energy store that can be discharged when an electric machine is operated as a motor and/or can be charged when an electric machine is operated as a generator. The drive arranged is characterized in that the two electric machines (11) of the axle drive device (10) are combined with a respectively assigned transmission (12) in an electric axle to drive the individually suspended wheels (2) of the axle by means of, in each case, one articulated shaft flange (13) via a respective articulated shaft. Frequency converters assigned respectively to the two electric machines are combined in a converter unit.
    Type: Grant
    Filed: February 1, 2011
    Date of Patent: August 12, 2014
    Assignee: Dr. Ing. h.c. F. Porsche Aktiengesellschaft
    Inventors: Hartmut Chodura, Guan Chew, Steffen Maurer, Patrik Gisch, Miroslaw Oslislok, Ralf Bauer, Stefan Bobbo
  • Patent number: 8800702
    Abstract: An in-wheel motor drive assembly 21 includes: a motor unit A; a speed reduction unit B having an output shaft 28 reducing the rotational speed of the motor rotary shaft 35 and outputting the reduced rotation and a speed-reduction-unit casing 22b forming a contour, and disposed on one axial side of the motor unit A; a wheel hub bearing unit C having a wheel hub 32 fixedly coupled with the output shaft 28 and a wheel-hub-bearing outer ring 22c rotatably supporting the wheel hub 32, and disposed on one axial side of the speed reduction unit B; and coupling portions 63, 64 secured to at least one of the wheel-hub-bearing outer ring 22c and speed-reduction-unit casing 22b to couple with members of a vehicle body.
    Type: Grant
    Filed: October 14, 2010
    Date of Patent: August 12, 2014
    Assignee: NTN Corporation
    Inventors: Tetsuya Yamamoto, Akira Yamagata
  • Patent number: 8795120
    Abstract: A drive unit for an electric bicycle, the drive unit including a motor configured to generate a rotary force to drive a wheel of the electric bicycle, a reduction gear unit provided with a plurality of gears to decelerate a rotary force generated from the motor, and a ring gear configured to output the rotary force which is decelerated by the reduction gear, wherein a rib is formed on at least one of two lateral sides of the ring gear.
    Type: Grant
    Filed: November 20, 2012
    Date of Patent: August 5, 2014
    Assignee: Mando Corporation
    Inventor: Il Yong Kim
  • Patent number: 8789639
    Abstract: An electric motor and a differential mechanism are placed near a vehicle body left-right center line distributed between the left and right sides of the vehicle body. In addition, at least parts respectively of the electric motor and the differential mechanism are placed on the vehicle body left-right center line. A deceleration mechanism is placed away from the vehicle left-right center line on one of the left and right sides of the vehicle.
    Type: Grant
    Filed: March 27, 2013
    Date of Patent: July 29, 2014
    Assignee: Honda Motor Co., Ltd.
    Inventor: Masahide Mimura
  • Patent number: 8781659
    Abstract: Disclosed is a technique for controlling transition between an electric vehicle (EV) mode and a hybrid electric vehicle (HEV) mode in a hybrid vehicle. More specifically, the technique includes first determining a drive mode of the hybrid vehicle by monitoring an average vehicle speed and an accelerator position sensor. Next, an engine on map value is determined for entering into the HEV mode and a hysteresis map value is determined for controlling the transition between the EV mode and the HEV mode based on a battery's state-of-charge (SOC), the average vehicle speed, and the drive mode; Based on the above steps, the technique determines whether the hybrid vehicle should transition between the EV mode or the HEV mode based on a driver's requisite torque calculated by monitoring the accelerator position sensor and a gear position sensor and on the determined engine on map value and hysteresis map value.
    Type: Grant
    Filed: March 23, 2012
    Date of Patent: July 15, 2014
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventor: Jeong Eun Kim
  • Patent number: 8763737
    Abstract: A vehicle, such as a loader, is disclosed. The vehicle includes a cooling system having a pump that communicates coolant to heat-generating components to be cooled by the coolant.
    Type: Grant
    Filed: August 20, 2009
    Date of Patent: July 1, 2014
    Assignee: Deere & Company
    Inventor: Brian Keith Kellogg
  • Patent number: 8758178
    Abstract: An electric vehicle driving device 10 includes a first motor 11, a second motor 12, a first planetary gear mechanism 20, a second planetary gear mechanism 30, a clutch device 40, and a wheel bearing 50. The first planetary gear mechanism 20 is a planetary gear device of single pinion type. The second planetary gear mechanism 30 is a planetary gear device of double pinion type. The first motor 11 is connected to a first sun gear 21 and a second sun gear 31. The second motor 12 is connected to a first ring gear 24. The clutch device 40 is connected to a first carrier 23. A second carrier 33 is connected to the first ring gear 24. A second ring gear 34 is connected to the wheel bearing 50.
    Type: Grant
    Filed: May 20, 2011
    Date of Patent: June 24, 2014
    Assignee: NSK Ltd.
    Inventors: Daisuke Gunji, Yasuyuki Matsuda, Gen Kimura
  • Patent number: 8761984
    Abstract: A kinetic energy recovery system (“KERS system”) and motorcycle equipped with the same is disclosed. The KERS system may be mechanical, hydraulic, or a combination thereof. In an embodiment, motorcycle includes a rear wheel, an electric motor, a motor shaft, and a front wheel equipped with a wheel hub that includes a sprag clutch. The motor shaft can be fitted with a motor drive sprocket that drives a jackshaft chain that in turn drives a jackshaft input sprocket that is fitted to the jackshaft. Jackshaft input sprocket may be installed in conjunction with a sprag clutch that allows the rear wheel to free wheel during coasting while the front wheel KERS system is engaged. The motor harvests kinetic energy from the front wheel without simultaneously powering the rear wheel while the use of a geared dead zone allows the front and rear wheels to not lock together to improve safety.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: June 24, 2014
    Assignee: W.Morrison Consulting Group Inc.
    Inventors: William M. Yates, Benjamin T. Ingram
  • Patent number: 8756740
    Abstract: Disclosed herein is a pool cleaning device including an internal drive assembly mounted outside the interior cavity of the device housing. The device including a pool cleaning vehicle, the vehicle including a housing defining a body shell and the body shell including an interior cavity and the pool cleaning vehicle including a drive assembly; and an internal drive assembly, the internal drive assembly including a motor assembly for engaging the vehicle drive assembly for propelling the vehicle, the motor assembly mounted outside the interior of the body shell.
    Type: Grant
    Filed: June 21, 2012
    Date of Patent: June 24, 2014
    Assignee: Smartpool LLC
    Inventor: Wing-kin Hui
  • Patent number: 8757306
    Abstract: There is provided a drive system for a vehicle. The system includes: an internal combustion engine (ENG); a transmission mechanism (TM) a one-way clutch (OWC); a rotated driving member (11); an electric motor (MG1) that rotates the output shaft of the internal combustion engine; an electric motor generator (MG2) that transmits the rotational power to the rotated driving member and performs regenerative operation by receiving the rotational power output from the rotated driving member; and a controller (50) configured to cut off a fuel supply to the internal combustion engine and control the electric motor to rotate the output shaft of the internal combustion engine while the electric motor generator performs the regenerative operation.
    Type: Grant
    Filed: July 3, 2012
    Date of Patent: June 24, 2014
    Assignee: Honda Motor Co., Ltd.
    Inventors: Tsunehiro Kobayashi, Mitsuhiro Iwadare, Satoshi Kodo, Takuya Yamada, Fumiyasu Suga
  • Publication number: 20140166378
    Abstract: A drive unit, for an electric vehicle, comprising an electric machine that can be arranged in the area of an end of a vehicle axle of the electric vehicle and also a transmission unit, which co-operates with the electric machine, for driving a wheel of the electric vehicle. The electric machine and the transmission unit can be arranged adjacent to the wheel. The electric machine is designed so that the electric machine can be arranged adjacent to a wheel at either of the two ends of the vehicle axle in the drive unit for driving the wheel concerned. The invention also concerns a vehicle axle incorporating the drive unit.
    Type: Application
    Filed: June 27, 2012
    Publication date: June 19, 2014
    Applicant: ZF FRIEDRICHSHAFEN AG
    Inventors: Ulrich Mair, Stephan Pollmeyer, Martin Munster
  • Patent number: 8746385
    Abstract: A hub unit includes an electric machine adapted for driving a wheel. The hub unit includes at least two planetary gears coupled in series between the electric machine and a wheel hub, and a gear shifting device for connecting and disconnecting, respectively, one of the planetary gears from being drivingly connected to the electric machine.
    Type: Grant
    Filed: May 18, 2013
    Date of Patent: June 10, 2014
    Assignee: Volvo Construction Equipment AB
    Inventors: Christian Wargh, Mats Åkerblom
  • Patent number: 8739917
    Abstract: An off-road vehicle comprising a pair of articulatable chassis members each swivelably connected at or near one end thereof by a generally upright trailing yoke therebetween, each chassis member including means for mounting respective forward, middle and rearward wheel means thereon, the center of the yoke including means for swivelably receiving the trailing end of a rockable cradle for supporting a driver of the vehicle, the cradle being rockable about an axis generally transverse to the wheel axes, the leading end of the cradle forming a leading yoke connected to respectively opposite ends of a pair of pivotable struts, the other end of each strut being pivotally connected to a respective leading part of one of the pair of chassis members, the arrangement being such that independent vertical movement of the or each wheel means is generally isolated from the cradle and hence the driver of the vehicle.
    Type: Grant
    Filed: November 16, 2011
    Date of Patent: June 3, 2014
    Inventor: Sioin Emyr Pierce
  • Patent number: 8733483
    Abstract: The in-wheel motor drive assembly 21 includes: a motor unit A; a wheel hub bearing unit having a tubular wheel hub 32, a cylindrical outer-ring-side member 22c surrounding the outer circumferential surface of the wheel hub, and a wheel hub bearing 33 disposed in an annular space formed between the outer circumferential surface of the wheel hub and the inner circumferential surface of the outer-ring-side member to rotatably support the wheel hub; and a speed reduction unit 101 being a speed reduction mechanism having an output shaft 28 extending in one direction and an input shaft 25 extending in the other direction and reducing the rotational speed of the input shaft and transmitting the reduced rotation to the output shaft, the output shaft being fixedly inserted in the center of the wheel hub 32 and the input shaft being fixedly inserted in the motor rotary shaft 35.
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: May 27, 2014
    Assignee: NTN Corporation
    Inventors: Ken Yamamoto, Minoru Suzuki
  • Patent number: 8727053
    Abstract: In the case where a vehicle 3 runs forward, when both two electric motors 2A, 2B power the vehicle, an oil pressure controller 48 releases hydraulic brakes 60A, 60B; when both the two electric motors 2A, 2B perform a regenerative braking, actuates the hydraulic brakes 60A, 60B. When one of the two electric motors 2A, 2B powers the vehicle and the other motor performs regenerative braking, the oil pressure controller 48 controls releases or actuates the hydraulic brakes 60A, 60B based on a power driving torque and a regenerative braking torque.
    Type: Grant
    Filed: July 30, 2010
    Date of Patent: May 20, 2014
    Assignee: Honda Motor Co., Ltd.
    Inventors: Akihiro Yamamoto, Sei Shinohara
  • Patent number: 8727928
    Abstract: A vehicle power transmission device includes: a first power transmission member including a cylindrical shaft end portion rotatably supported via a first bearing on an inner circumferential side of a non-rotating support wall; and a second power transmission member supported on the inside of the cylindrical shaft end portion via a second bearing radially overlapping with the first bearing by the cylindrical shaft end portion to be rotatable concentrically and relatively to the first power transmission member, the second power transmission member including a circular disc gear portion protruded to an outer circumferential side at a predetermined distance from the second bearing in a shaft center direction of the second power transmission member, at a portion facing the first bearing, the gear portion having an annular inner circumferential guide protruding portion for guiding to the first bearing a lubricant oil that passes through the second bearing for lubrication, that enters into a gap between the second b
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: May 20, 2014
    Assignees: Toyota Jidosha Kabushiki Kaisha, Aisin AW Co., Ltd.
    Inventors: Terasu Harashima, Koichi Tanaka, Atsushi Teshima, Yoshihiko Sasaki, Hiroshi Hamaguchi
  • Patent number: 8727051
    Abstract: A hybrid vehicle has a first drive apparatus for driving wheels on a first axle by an internal combustion engine and a second electrical drive apparatus with two electrical machines for driving wheels on a second axle. At least one electrical energy store can be discharged when the two electrical machines are operated as a motor and can be charged when the electrical machines are operated as a generator. The two electrical machines of the electrical drive apparatus are combined with a respectively associated gearbox in an electrical axle to drive the individually suspended wheels on the first axle via universally jointed shafts. Two electrical converters are associated respectively with the two electrical machines and are combined in one converter unit, such that a basic module has the mechanical link to a bodywork structure, the link to a cooling circuit and the electrical link to an electrical energy store.
    Type: Grant
    Filed: January 26, 2011
    Date of Patent: May 20, 2014
    Assignee: Dr. Ing. h.c. F. Porsche Aktiengesellschaft
    Inventors: Jochen Schmid, Stephan Hennings
  • Patent number: 8723379
    Abstract: A geared generator for an electric vehicle has a body, a gearing device, a hub device and an electromotor. The body has two mounting boards, a battery and a commutator connected to the battery. The gearing device is connected to the body and has a primary tube, a minor tube, a gear-up segment, an output shaft, a mounting jacket, a stator mount and a motor stator. The gear-up segment is rotatably mounted between the gear disks and has three transmission shafts, three planet gear wheels and multiple bearings. The hub device is mounted around the tubes between the mounting boards and has two hub disks and a hub ring. The hub ring has a spacing disk and two side rings. The electromotor is connected to the gearing device and has a base, a coil stator, an eccentric flywheel, a fan and a protecting hood.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: May 13, 2014
    Inventors: Ho-Yo Liao, Chen-Wei Liao
  • Patent number: 8718897
    Abstract: Embodiments of the invention are directed toward a geared traction drive system configured to drive a wheel of a vehicle, comprising: a driveshaft for transmitting power to the wheel; an electric drive motor for driving the driveshaft, the electric drive motor configured to receive signals from a vehicle dynamic control system to command a required speed; a gear reduction component for reducing the speed of the motor by a predetermined factor to a lower speed suitable for driving the wheel; and a drive electronics component that works with the electric drive motor to drive the wheel to the speed commanded by the vehicle dynamic control system.
    Type: Grant
    Filed: March 24, 2011
    Date of Patent: May 6, 2014
    Assignee: Wrightspeed, Inc.
    Inventors: Ian Wright, Ryan Cash
  • Patent number: 8714297
    Abstract: A single-wheel suspension of a non-steerable driven wheel of a two-track vehicle is provided. The suspension includes two longitudinal control arms that pivot in a vertical plane. The first control arm is supported by a vertical pendulum support and supports a wheel bearing. The second control arm is supported with one rotational degree of freedom on the vehicle and is connected to the first control arm with one rotation degree of freedom by a connecting member between the wheel bearing and the pendulum support. At least a section of the first control arm between the wheel bearing and the connecting member is located inside the wheel rim space. A gear mechanism at least partially inside the wheel rim includes two transmission stages laterally offset from one another. The rotational axes of a connection shaft connecting first and second transmission stages and the connection element between the two control arms coincide.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: May 6, 2014
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Elsa Davy, Bernhard Paulus, Alfred Pruckner, Dirk Schlichte, Jakob Mueller
  • Patent number: 8701808
    Abstract: A series/parallel dual motor dual-clutch hybrid electrical driving unit for vehicle includes: a main traction motor (17), an integrated starter-generator (4), a differential (7), a main shaft (8), a first stage decelerating device (9), a primary clutch (16) and a first clutch (15). Said traction motor (17) is connected with said first stage decelerating device (9) via said first clutch (15). A series/parallel dual motor triple clutch hybrid electrical driving unit for vehicle further includes a second clutch (12) and a second stage decelerating device (5) based on the above described series/parallel dual motor dual-clutch hybrid electrical driving unit. The hybrid electrical driving unit according to the invention is compact in structure arrangement, high efficient and rational in connection.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: April 22, 2014
    Assignee: Shanghai E-Propulsion Auto Technology Co., Ltd.
    Inventors: Jun Zhu, Weimin Gao, Jiangang Lu, Hailong Ge, Sidong Luo, Jian Wang
  • Patent number: 8701806
    Abstract: An electric transaxle unit includes an axle, an electric motor for driving the axle, a motor shaft serving as an output shaft of the electric motor, the motor shaft being not coaxial to the axle, a deceleration gear train interposed between the motor shaft and the axle, a brake adapted to brake any element in a power train between the motor shaft and the axle via the deceleration gear train, and a casing. The casing incorporates the axle, the electric motor, the motor shaft, the deceleration gear train and the brake. The casing includes an attachment portion to be attached to a frame, and wherein the attachment portion has a constant height from a center axis of the axle regardless of whether the casing is vertically inversed.
    Type: Grant
    Filed: December 9, 2009
    Date of Patent: April 22, 2014
    Assignee: Kanzaki Kokyukoki Mfg. Co., Ltd.
    Inventors: Norihiro Ishii, Tomoyuki Ebihara, Kengo Sasahara, Masaya Itou
  • Patent number: 8701807
    Abstract: An Electronic Control Unit (ECU), and a method and a computer program product are provided for the control of a drive train for a hybrid vehicle, and a drive train including such a control device is also provided. The hybrid vehicle includes an upstream located Internal Combustion Engine (ICE) which is connected to an Electronic Motor/Generator (EMG) via a Master Clutch (MC). The EMG is connected to the wheels via a Mechanical Transmission (MT) including synchronization. The ECU is programmed to control the MC and the MT when shifting from a generating mode, in which the ICE is powering the EMG at or near standstill, to a driving mode in such a way that at least a part of the inertial energy liberated when retarding the EMG in order to synchronize the rotational speed of the EMG and the MT is transferred to the wheels by using the synchronization in the MT to retard the EMG and transfer of power to the wheels.
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: April 22, 2014
    Assignee: Volvo Lastvagnar AB
    Inventors: Hans Stervik, Jan Öberg
  • Patent number: 8688345
    Abstract: An electric motor includes one or more separate coil sets arranged to produce a magnetic field of the motor. The electric motor also includes a plurality of control devices coupled to respective sub-sets of coils for current control. A similar arrangement is proposed for a generator. A coil mounting system for an electric motor or generator includes one or more coil teeth for windably receiving a coil for the motor and a back portion for attachably receiving a plurality of the coil teeth. A traction control system and method for a vehicle having a plurality of wheels independently powered by a respective motor. A suspension control system and method for a vehicle having a plurality of wheels, each wheel being mounted on a suspension arm of the vehicle and being independently powered by a respective motor.
    Type: Grant
    Filed: October 26, 2012
    Date of Patent: April 1, 2014
    Assignee: Protean Electric Limited
    Inventor: Martin Boughtwood
  • Patent number: 8688360
    Abstract: A motor vehicle having an internal combustion engine, a differential pressure sensor or two pressure sensors for detecting a pressure difference, which may be in an exhaust tract of the internal combustion engine, and an evaluation unit for evaluating the detected pressure difference. Moreover, the present invention relates to a method for operating a motor vehicle. A controlling arrangement is provided for controlling an automatic start-stop system or an ignition system of the motor vehicle as a function of the result of the evaluation of the detected pressure difference used to detect immersion or submersion of a tailpipe of the exhaust tract in water, sludge, or a similar liquid medium in order to prevent the internal combustion engine from shutting off when the tailpipe is immersed or submerged.
    Type: Grant
    Filed: July 27, 2009
    Date of Patent: April 1, 2014
    Assignee: Robert Bosch GmbH
    Inventors: Roland Norden, Michael Bildstein, Herbert Prickarz, Kaspar Schmoll Genannt Eisenwerth
  • Patent number: 8678118
    Abstract: A vehicle drive device having two independent systems provided for two driving wheels, respectively, each system including a rotating electrical machine, an output member to be connected to a corresponding driving wheel, and a drive transmission system. The transmission also includes a counter deceleration mechanism, which connects the rotating electrical machine and the output member to each other. A case integrally accommodates the rotating electrical machines, the output members, and the drive transmission systems of the two systems. The rotation axes are provided so that their respective rotation axes are parallel to each other, and are positioned so as to overlap each other in the rotation axis direction. The rotating electrical machine of each system is provided with an output portion located on one side of the rotating electrical machine which is distal from the corresponding driving wheel in the rotation axis direction of the rotating electrical machine.
    Type: Grant
    Filed: August 20, 2009
    Date of Patent: March 25, 2014
    Assignees: Aisin Aw Co., Ltd., Toyota Jidosha Kabushiki Kaisha
    Inventors: Masayuki Takenaka, Atsushi Teshima, Ryuta Ishida, Tomohiko Miyamoto
  • Patent number: 8672070
    Abstract: A vehicle includes a chassis, a traction member associated with the chassis, and a drive system associated with the chassis and the traction member comprising an electric traction motor, a planetary gear assembly coupled to the electric traction motor, the planetary gear assembly comprising an output member coupled to the traction member, wherein rotation of the output member provides a drive torque for the traction member.
    Type: Grant
    Filed: November 16, 2010
    Date of Patent: March 18, 2014
    Assignee: Remy Technologies, LLC
    Inventors: Balazs Palfai, Bradley D. Chamberlin, Larry A. Kubes
  • Patent number: 8672068
    Abstract: A drive unit for a hybrid electric motor vehicle includes a bevel pinion driveably connected to a power source, a bevel gear meshing with the bevel pinion and aligned with an axis, first and second drive shafts, a differential mechanism including an input secured to the bevel gear for transmitting power between the input and the first and the second drive shafts, an electric motor/generator including a rotor, and a planetary gear set driveably connected to the input and the rotor for transmitting power between the rotor and the input such that a speed of the rotor is greater than a speed of the input.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: March 18, 2014
    Assignee: Ford Global Technologies, LLC
    Inventor: David A. Janson
  • Patent number: 8651215
    Abstract: In a motor driven vehicle in which an electric motor is disposed in a vehicle-body-rear portion of a swing arm swingably supported by a body frame and the vehicle travels by transmitting the drive force of the electric motor to a rear wheel, a vibration generating device for generating vibration in accordance with the transmitted drive force is installed on a drive force transmission path from the electric motor to the rear wheel. The vibration generating device includes a gear pair partially embedded with respective weights to lose a rotational balance during rotation. A sound producing device for producing a predetermined sound in accordance with the transmitted drive force is installed on the same transmission path. The sound producing device is driven by a transmitting device reciprocating through contact with a cam attached to a reduction gear serving as a rotating body.
    Type: Grant
    Filed: September 14, 2011
    Date of Patent: February 18, 2014
    Assignee: Honda Motor Co., Ltd.
    Inventor: Hideo Ogura
  • Patent number: 8646563
    Abstract: A work machine in which the engine and power output system is to be contained within a minimal volume in an engine compartment. A gear housing is mounted to and receives the output of the internal combustion engine and has side by side gears meshing with a first input gear, one of which drives a generator and the other drives an internal lubricant pump as well as an external hydraulic pump. The gears are in substantially the same plane. The output of the generator is connected via a controller to a motor which drives a transmission system for driving the wheels of the vehicle. The gear housing permits placement of additional components within the engine compartment while taking up a minimum volume.
    Type: Grant
    Filed: March 21, 2012
    Date of Patent: February 11, 2014
    Assignee: Deere & Company
    Inventors: Danny G. Voth, Kyle K. McKinzie, Galen R. Love
  • Patent number: 8640800
    Abstract: A chassis (1) for a motor vehicle has an electrical axle (2) with two electrical machines (4) for respectively driving two wheels (6). The chassis (1) also has a step-down gear mechanism (10, 11) arranged between the respective electrical machine and the associated wheel. Each step-down gear mechanism is connected to the respective wheel by a cardan shaft. The respective rotation axes (5, 5) of the two electrical machines are arranged parallel and next to one another. The chassis enables each wheel to be mounted in a non-rigid manner and permits the overall length of the electrical machines to be varied on account of the arrangement of the rotation axes of the electrical machines.
    Type: Grant
    Filed: February 10, 2011
    Date of Patent: February 4, 2014
    Assignee: Dr. Ing. h.c. F. Porsche Aktiengesellschaft
    Inventors: Daniel Armbruster, Stephan Hennings
  • Patent number: 8640801
    Abstract: A drive apparatus (1) for a motor vehicle has a hollow portal axle (2) that accommodates two electrical machines (4). Wheels (12) are mounted rotatably at opposite ends of the portal axle (2) and can be driven by the electrical machine (4) associated with the respective wheel. A step-down gear mechanism (8, 9) is arranged between each electrical machine (4) and the respective wheel (12) and a separate connection from the respective wheel to the step-down gear mechanism, permits the wheel to be mounted in a non-rigid manner. The respective step-down gear mechanism (8, 9) is connected to the respective wheel (12) by a cardan shaft (10).
    Type: Grant
    Filed: May 21, 2010
    Date of Patent: February 4, 2014
    Assignee: Dr. Ing. h.c. F. Porsche Aktiengesellschaft
    Inventors: Stephan Hennings, Daniel Armbruster, Jochen Schmid
  • Patent number: 8641568
    Abstract: An electric machine arrangement for an electric axle of a motor vehicle has an electric machine. The electric machine is connected via a gearbox to at least one drive shaft which can be connected to a driven wheel of the motor vehicle. Further, the machine arrangement has a machine housing. The electric machine has a stator fixed to the housing and a rotor which is connected to an input element of the gearbox. The rotor is rotatably mounted on the machine housing by a first and a second rotor bearing section. The first rotor bearing section is connected to a machine output shaft which is connected to the input element of the gearbox. The machine output shaft is guided through the second rotor bearing section in a contactless fashion.
    Type: Grant
    Filed: April 18, 2012
    Date of Patent: February 4, 2014
    Assignee: GETRAG Getriebe- und Zahnradfabrik Hermann Hagenmayer GmbH & Cie KG
    Inventors: Daniel Knoblauch, Ulrich Knoedel
  • Publication number: 20140014422
    Abstract: An electric forklift includes: a drive unit including a unit case including a gear housing supporting a motor with an output shaft in a right and left direction and housing a gear train; and shaft housings protruding in the right and left direction from the gear housing, each of which houses a drive shaft, and each of which supports a wheel, wherein the drive shafts rotate via the gear train; support members, base end portions of which are rotatably engaged with outer peripheral portions of the shaft housings, and tip end portions of which are connected to a body frame so that the shaft housings are supported by the body frame via the support members; and a link portion between the gear housing and the body frame for preventing relative rotation of the unit case and the body frame about shaft centers of the drive shafts.
    Type: Application
    Filed: February 27, 2012
    Publication date: January 16, 2014
    Applicant: Komatsu Ltd.
    Inventors: Toshiyuki Hirashita, Takayuki Mashiko
  • Patent number: 8602933
    Abstract: A power transmission device includes a planetary gear set and a first and a second connecting mechanism. The planetary gear set receives power from a power source and outputs it to a power-driven member. The first connecting mechanism connects a first and a second rotor of the planetary gear set through a separate path. The second connecting mechanism connects the second rotor and a third rotor of the planetary gear set through a separate path. The controller is operable selectively in a first operation mode in which the second connecting mechanism is engaged, while the first connecting mechanism is disengaged and a second operation mode in which the second connecting mechanism is engaged, while the first connecting mechanism is disengaged. This ensures suitable mechanical connections among the power source, the power-driven member, and the power split mechanism which match with an operating condition of the power transmission device.
    Type: Grant
    Filed: August 2, 2010
    Date of Patent: December 10, 2013
    Assignees: Nippon Soken, Inc., Denso Corporation
    Inventors: Koji Kawasaki, Takenori Matsue, Yuji Tokudome
  • Patent number: 8602145
    Abstract: A driving system for electric vehicle is disclosed to use a clutch switching unit for controlling a motor rotor-driven bushing to rotate a wheel hub via a direct-drive active clutch or via a set of planet gears and a reducing clutch. At the initial state after startup of the motor, the direct-drive active clutch runs idle, enabling the wheel hub to provide a low-speed high-torque output, saving power consumption. When the vehicle speed reaches a predetermined level, a control circuit drives a clutch motor to move the clutch switching unit in releasing the reducing clutch to idle the planet gears, enabling the direct-drive active clutch to be switched on so that the rotor of the motor can rotate the wheel hub directly to accelerate the vehicle speed.
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: December 10, 2013
    Inventors: Ta-Yu Su, Kuo-Hsin Su
  • Patent number: 8596393
    Abstract: A drive unit is provided. The drive unit forms a power transmitting path that includes a driving shaft between a wheel/tire assembly and a driving power source provided separately for each wheel/tire assembly, and transmits power via the driving shaft. The drive unit has a weak portion, which is less durable than any other portion in the power transmitting path with respect to external force applied to the wheel/tire assembly, formed on the driving shaft.
    Type: Grant
    Filed: August 20, 2009
    Date of Patent: December 3, 2013
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Kensuke Yoshizue, Kazuya Arakawa
  • Patent number: 8596389
    Abstract: A motorized cart, including: a collapsible frame with a collapsible storage compartment, a front wheel, and two rear wheels rotating about a single axis. The frame has a folding support platform including hingedly connected first and second portions. The first portion rotatably connects at a front of the frame, and the second portion rotatably connects to a rear of the frame. A drive compartment houses a battery, a drive controller, and a motor for driving a rear wheel, and is positioned on the frame to position the battery, the drive controller, and the motor below and forward of the axis in an expanded, upright mode, thereby positioning a cart center of gravity forward of the axis.
    Type: Grant
    Filed: May 25, 2011
    Date of Patent: December 3, 2013
    Inventor: Stephen A. Anasiewicz
  • Patent number: 8591369
    Abstract: An asynchronous boost assist system for a motor vehicle includes a first electric motor, a second electric motor positioned opposite the first electric motor and a differential gear system operatively connected to the first and second electric motors. The differential gear system includes a first differential gear set and a second differential gear set. The first differential gear set is operatively connected to the first and second electric motors and the second differential gear set is configured and disposed to operatively connect to first and second vehicle wheels. A controller is operatively connected to each of the first and second electric motors. The controller selectively independently controls an operational speed of each of the first and second electric motors to selectively provide an acceleration boost through the second differential gear set.
    Type: Grant
    Filed: April 6, 2011
    Date of Patent: November 26, 2013
    Assignee: Remy Technologies, L.L.C.
    Inventors: Balazs Palfai, Alex Creviston, Attila Nagy, Gurkamal Singh
  • Patent number: 8594871
    Abstract: A vehicle battery diagnosis system diagnoses the state of use of a battery of a vehicle, and includes: an information accumulation portion that accumulates diagnostic information that includes a use condition regarding the battery; a control plan presentation portion that presents a plurality of control plans about the vehicle for increasing the service life of the battery on the basis of the diagnostic information; and an information changing portion that changes control information regarding the control of the vehicle which is retained in a vehicle-mounted ECU of the vehicle so that the control information corresponds to a control plan selected from the plurality of control plans.
    Type: Grant
    Filed: October 22, 2009
    Date of Patent: November 26, 2013
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Masatoshi Uchida
  • Patent number: 8585525
    Abstract: A left and right wheels drive system includes: first and second drive sources left and right drive wheels; and a gear mechanism interposed between the drive sources and the drive wheels, the gear mechanism including: a pinion set including a plurality of pinion gears installed on one shaft; and an element group linked with the pinion set and includes first, second, third, and fourth elements When the first element is held stationary, the second, third and fourth elements rotate in the same direction. When the first element is held stationary, the second element rotates at a higher speed than the third and fourth elements. One of the first and second drive sources is connected to the first element, and the other is connected to the second element. One of the left and right drive wheels is connected to the third element, and the other is connected to the fourth element.
    Type: Grant
    Filed: May 12, 2011
    Date of Patent: November 19, 2013
    Assignee: Mitsubishi Jidosha Kogyo Kabushiki Kaisha
    Inventors: Yuichi Ushiroda, Kaoru Sawase
  • Patent number: 8585521
    Abstract: A transmission includes a first motor/generator with a first rotor connected for rotation with a first member of a first planetary gear set. A second electric motor/generator has a second rotor connected for rotation with a second member of the first planetary gear set. The second member of the first planetary gear set is connected for common rotation with the output member. The first member of a second planetary gear set rotates with the input member, and the third member of the second planetary gear set is grounded to a stationary member. A first torque-transmitting mechanism establishes torque flow between the first member of the second planetary gear set and the third member of the first planetary gear set. A second torque-transmitting mechanism establishes torque flow between the second member of the second planetary gear set and the third member of the first planetary gear set.
    Type: Grant
    Filed: March 16, 2011
    Date of Patent: November 19, 2013
    Assignee: GM Global Technology Operations LLC
    Inventors: Darrell Lee Robinette, Clyde A. Bulloch
  • Patent number: 8567540
    Abstract: A drive unit for a hybrid electric motor vehicle includes a bevel pinion driveably connected to a power source, a bevel gear meshing with the bevel pinion and aligned with an axis, first and second drive shafts, a differential mechanism including an input secured to the bevel gear for transmitting power between the input and the first and the second drive shafts, an electric motor/generator including a rotor, and a planetary gear set driveably connected to the input and the rotor for transmitting power between the rotor and the input such that a speed of the rotor is greater than a speed of the input.
    Type: Grant
    Filed: January 25, 2008
    Date of Patent: October 29, 2013
    Assignee: Ford Global Technologies, LLC
    Inventor: David A. Janson
  • Patent number: 8561735
    Abstract: A self-contained axle module for a vehicle having a support structure is provided. The self-contained axle includes a housing removably coupled to the support structure and an output shaft extending from the housing. An electric motor is coupled to the housing and drives the output shaft. Two wheel end assemblies are coupled to the output shaft, and an independent suspension assembly is coupled between each wheel end assembly and the housing, so that the independent suspension assemblies and the wheel end assemblies and the electric motor and the housing are removable from the vehicle as a unit by detaching the housing from the support structure.
    Type: Grant
    Filed: October 8, 2009
    Date of Patent: October 22, 2013
    Assignee: Oshkosh Corporation
    Inventors: Jon J. Morrow, Eric Braun, Nader Nasr, Gary Schmiedel, Martin Schimke, Donald H. Verhoff, Christopher K. Yakes
  • Patent number: 8556758
    Abstract: A transmission includes a first planetary gearset and a second planetary gearset, each having a respective first planetary member, a respective second planetary member, and a respective third planetary member. The planetary members of the first planetary gearset are coaxially disposed on, and selectively rotatable about, a first axis. The planetary members of the second planetary gearset are coaxially disposed on, and selectively rotatable about, a second axis. An axis transfer mechanism including meshing gears transmits torque between the first and second planetary gearsets.
    Type: Grant
    Filed: February 7, 2013
    Date of Patent: October 15, 2013
    Assignee: GM Global Technology Operations LLC
    Inventors: Norman Schoenek, Elizabeth I. Wooden, Shawn H Swales