With Condition Responsive Control Patents (Class 475/153)
  • Patent number: 10626959
    Abstract: A variable-speed speed-up mechanism includes: an electric device which is configured to generate a rotational driving force and a planetary gear transmission device which is configured to change the speed of the rotational driving force transmitted from the electric device to a constant-speed input shaft and a variable-speed input shaft and transmit the rotational driving force to a target to be driven via an output shaft. The electric device includes a constant-speed electric motor including a constant-speed rotor which is configured to rotate the constant-speed input shaft of the planetary gear transmission device and a variable-speed electric motor including a variable-speed rotor which is configured to rotate the variable-speed input shaft of the planetary gear transmission device.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: April 21, 2020
    Assignee: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    Inventors: Yoshiyuki Okamoto, Masahiro Kobayashi
  • Patent number: 10544862
    Abstract: A starting method for a variable speed accelerator includes an electric device that generates a rotational drive force, and a transmission device that shifts the rotational drive force generated by the electric device to transmit the changed speed to an object to be driven. The transmission device includes a sun gear that rotates about an axis, a sun gear shaft that is fixed to the sun gear and extends in an axial direction, a planetary gear that meshes with the sun gear, revolves around the axis, and rotates about its own center axis, and an internal gear that has a plurality of teeth aligned annularly about the axis and meshes with the planetary gear.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: January 28, 2020
    Assignee: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    Inventors: Yoshiyuki Okamoto, Masahiro Kobayashi
  • Patent number: 10432064
    Abstract: A ride-on vehicle, such as for a child, includes a vehicle body and one or more wheels that support the vehicle body relative to a surface. At least one of the wheels includes a hub motor arrangement that provides a drive torque for propelling the vehicle. The hub motor arrangement includes a housing defining an interior space. An axle or other mounting element(s) define an axis of rotation of the housing. Preferably, the axle or other mounting element(s) do not pass completely through the housing. A motor drives the housing through a transmission. Preferably, the motor is a standard, compact motor that is positioned on the axis of rotation and can be laterally offset from a central plane of the housing. In some embodiments, a traction element is carried directly by the housing.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: October 1, 2019
    Assignee: RAZOR USA LLC
    Inventor: Joey Chih-Wei Huang
  • Patent number: 10406915
    Abstract: A clutch for a Rear Drive Unit (RDU) selectively couples one of the half-shafts to an intermediate shaft. The clutch is actuated with a ball-ramp mechanism having a plate that rotates in response to rotation of a motor. In order to provide precise control of clutch torque capacity, a high gear reduction is desirable. Gear reduction is provided by a planetary gear set located co-axially with the clutched half-shaft. In addition to providing a relatively high gear ratio, this is more likely to fit into the available space without interfering with other components.
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: September 10, 2019
    Assignee: Ford Global Technologies, LLC
    Inventor: Eric Matthew Engerman
  • Patent number: 10287977
    Abstract: An in-line propeller gearbox of a turboprop gas turbine engine includes an epicyclic gearing arrangement that has a sun gear, a ring gear and at least one planet gear disposed between and meshing with both the sun gear and the ring gear. The propeller gearbox includes a disk brake that can be operated to slow down or stop altogether the rotation of the propeller. The disk brake has an axially extending shaft having at one end a disk and at the opposite end a gear having teeth that engage with one of the gears in the epicyclic gearing arrangement. The disk brake includes a hydraulic caliper or an electric caliper that can be actuated to slow down rotation of the disk to an eventual full stop and to hold the disk at full stop to thereby stop rotation of the propeller.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: May 14, 2019
    Assignee: General Electric Company
    Inventors: Mark Gregory Wotzak, Daniel Waslo
  • Patent number: 10271480
    Abstract: A baling system acts at shut-down to automatically pre-position a plunger so that it is just past a rear-dead-center position when the baler is restarted, thereby minimizing the load on a power take-off during the next restart. In particular, when the power take-off is deactivated, a control unit automatically brakes the power take-off so that the plunger stops in the desired position. Alternatively, the baling system acts at restart-up to automatically repeatedly activate and deactivate the power take-off in order to accelerate the plunger to a predetermined minimum operating speed before activating the power take-off for continuous operation, thereby maximizing a flywheel's momentum during the restart.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: April 30, 2019
    Assignee: AGCO Corporation
    Inventors: Lawrence D. Retzlaff, Robert J. Waggoner, Kevin M. Tacke
  • Patent number: 10153681
    Abstract: A linear vibration motor includes a housing, a PCB at least partially covered by the housing, a sliding pair, a vibrator suspended in the housing by the sliding pair, the vibrator including a plurality of holes in a middle portion thereof for receiving a magnet assembly, a driving coil assembly located on the lid and facing the magnet assembly for actuating the magnet assembly oscillate along a direction paralleled to the bottom wall of the crust, a pair of gas springs separately located at two ends of the vibrator for providing a constantly and alternatively restoring force to vibrator for oscillating freely.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: December 11, 2018
    Assignee: AAC TECHNOLOGIES PTE. LTD.
    Inventors: LuBin Mao, Shun Guo, HongXing Wang
  • Patent number: 9915449
    Abstract: A refrigerator-freezer having a first compartment wherein the first compartment is accessible via a rotatable mounted door with the rotatable mounted door being operable to remain disposed within the housing of the refrigerator-freezer during movement thereof. The refrigerator-freezer further includes a second compartment adjacent to the first compartment wherein the second compartment includes a plurality of sealably mounted storage containers slidably mounted within the second compartment. A third compartment is present and is configured to be extendable outward from the housing of the refrigerator-freezer and subsequently be lifted upward via a lifting mechanism. A controller is included to facilitate operation of the refrigerator-freezer. The controller further includes a voice recorder and a printer. The first compartment has disposed therein a plurality of storage bins that are slidably mounted.
    Type: Grant
    Filed: April 12, 2015
    Date of Patent: March 13, 2018
    Inventor: Patrick Pack
  • Patent number: 9764731
    Abstract: During deceleration with operation of an engine, an amount of wall surface deposition is estimated to tend to increase with a decrease in corrected operation time that is based on an operation time of the engine. A target amount of fuel injection is set by adding a correction value that is set according to a variation in the amount of wall surface deposition to a base amount of fuel injection. Fuel injection control of the engine is performed by using the set target amount of fuel injection.
    Type: Grant
    Filed: May 6, 2016
    Date of Patent: September 19, 2017
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Makoto Yamazaki
  • Patent number: 9593525
    Abstract: An articulated door system includes one or more door sections; a lifting block associated with a lower door section of the one or more door sections; a frame supporting the one or more door sections and engaging the lifting block; and a lead screw system including a rotatable lead screw that is configured to engage the lifting block and lift the lower door section up and down based on rotation of the lead screw.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: March 14, 2017
    Assignee: EMEH, Inc.
    Inventors: Richard P. Morris, Kenneth H. Betts, Howard J. Williams
  • Patent number: 9182007
    Abstract: A damper pulley assembly of vehicle may include a crankshaft rotating by a power transmitted from an engine, a hub including a hub body formed cylindrical hollow shape so that the crankshaft is inserted and a hub ring protruded outside of the hub body, a pulley coupled outside of the hub ring, a combining ring formed cylindrical hollow shape so as to be coupled outside of the hub body, and an oil seal provided between outside of the combining ring and inside of the cylinder block and preventing leakage of engine oil of the cylinder block, wherein the hub is made of low density material compared to the pulley, and the combining ring is made of high stiffness compared to the hub.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: November 10, 2015
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventor: Jae Kwon Lee
  • Patent number: 9097295
    Abstract: A one-way clutch used in a wind turbine generator connects an input rotor with an output rotor so that the input rotor and the output rotor are rotatable together with each other when a main shaft rotates in a forward direction and rotation speed of the input rotor is higher than rotation speed of the output rotor, and disconnects the input rotor and the output rotor from each other when the rotation speed of the input rotor is lower than the rotation speed of the output rotor. Further, the wind turbine generator includes a second one-way clutch that permits transmission of force caused by the rotation of the main shaft, to the input rotor when the main shaft rotates in the forward direction, and restricts the rotation of the main shaft when the main shaft tries to rotate in a reverse direction.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: August 4, 2015
    Assignee: JTEKT CORPORATION
    Inventors: Hideki Fujiwara, Kazushige Ootsuka, Takafumi Uemoto, Nobuyuki Rito
  • Publication number: 20150133255
    Abstract: An automatic gearshift device for a power tool includes a speed reduction mechanism that decelerates and transmits a rotary power of a motor, a ring gear that slides and moves to switch a speed reduction ratio, a cam member that moves the ring gear, a rotation body rotated in cooperation with the cam member, a position detector that detects the position of the ring gear, and a controller that controls the driving of the gearshift motor based on the value generated by the position detector. An adjustment gear forming the rotation body includes a slot used as a positioning mark at a predetermined location in the rotating direction. When the slot of the adjustment gear is aligned with a predetermined device side positioning reference, the rotation body is positioned in an initial position in a relative positional relationship with the ring gear.
    Type: Application
    Filed: May 8, 2013
    Publication date: May 14, 2015
    Inventors: Masatoshi Atsumi, Hiroshi Matsumoto, Toshio Kudo
  • Publication number: 20150122565
    Abstract: Motive power unit for a pedal vehicle, comprising a first and second motor, the latter being meshed on the bottom-bracket spindle and the first motor being connected to a sun gear, a planet holder being connected to an output sprocket of the motive power unit, which comprises a measuring element arranged to produce a measurement signal indicating a torque supplied by the first motor and a control unit producing a speed control signal to be supplied to the first motor and a torque control signal to be supplied to the second motor on the basis of the angular velocities of the motors.
    Type: Application
    Filed: April 26, 2013
    Publication date: May 7, 2015
    Applicant: E2 DRIVES SA
    Inventor: Arthur Deleval
  • Publication number: 20150072824
    Abstract: A deceleration device is used for a directly electromechanically actuated planetary gear assembly in a seat adjustment mechanism. The deceleration device is integrated into the structural unit consisting of the planetary gear assembly and the electromechanical actuator therefor. Also described is a method for operating a deceleration device for a directly electromechanically actuated planetary gear assembly in a seat adjustment mechanism.
    Type: Application
    Filed: April 19, 2013
    Publication date: March 12, 2015
    Applicants: Johnson Controls GmbH
    Inventor: Ingo Kienke
  • Patent number: 8876657
    Abstract: The automatic gear bike includes a control system for selectively operating in an automatic mode, providing power to the bike or a manual mode. The control system includes a control assembly, a motor assembly operatively in communication with the control assembly, and a gear assembly in operative engagement with the motor assembly. The gear assembly includes a ration gear, a hub, and hub embedded gear. The ration gear is operatively connected to the beam gear, and the hub embedded gear is connected to the hub. The controller receives detects the real-time bike speed, and compares the bike speed to a pre-selected bike speed. Based on the comparison the controller sends a signal to the motor assembly to selectively transfer power to the beam gear and operatively connected gear assembly, to increase or decrease the bike speed such that the real-time bike speed is substantially equal to the pre-selected speed.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: November 4, 2014
    Inventor: Fawzi Behbehani
  • Patent number: 8840516
    Abstract: A dynamic damper device includes a planetary gear mechanism including plural differentially rotatable rotating elements, an elastic member that couples a rotating shaft rotated by being transmitted with a power with a first rotating element of the planetary gear mechanism, speed control devices that are coupled with second rotating elements different from the first rotating element and control rotation speeds of the second rotating elements, and a torque control device that is coupled with the first rotating element and controls torque acting on the first rotating element. Accordingly, the dynamic damper device achieves an effect that vibration can be appropriately reduced.
    Type: Grant
    Filed: November 4, 2010
    Date of Patent: September 23, 2014
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Kiyohito Murata
  • Patent number: 8727924
    Abstract: Planetary ratios of first and second planetary gear mechanisms are set such that all of the following values become equal to each other: a maximum value of a drive force of a first MG, which is generated when a total input-to-output speed ratio is a minimum value upon operation of the first MG as a motor; a maximum value of a drive force of the first MG, which is generated when the total input-to-output speed ratio is a maximum value upon operation of the first MG as the motor; and a maximum value of a drive force of the first MG, which is generated when the total input-to-output speed ratio is in a range from the minimum value to the maximum value upon operation of the first MG as a generator.
    Type: Grant
    Filed: December 27, 2011
    Date of Patent: May 20, 2014
    Assignee: Denso Corporation
    Inventors: Youhei Morimoto, Tsuneyuki Egami
  • Publication number: 20140051539
    Abstract: In a handheld power tool having a reduction gear unit, drivable by a motor, for driving a drive shaft, the reduction gear unit being situated in a gear housing and being shiftable via a gearshift at least between a first gear having a comparatively high torque and a second gear having a comparatively low torque, the reduction gear unit is assigned a mechanical overload protection device which is designed to limit the reduction gear unit during operation of the handheld power tool, if a torque, transferred from the drive shaft to the reduction gear unit, exceeds a machine-specific limiting value.
    Type: Application
    Filed: February 1, 2012
    Publication date: February 20, 2014
    Inventors: Heiko Roehm, Ralf Windsheimer
  • Publication number: 20130225352
    Abstract: The transmission ratio between a first motor and an output shaft is varied by changing the speed of a second motor. The first and second motors are coupled to the output shaft with a planetary gear set. The first and second motors may both add power to the drive system.
    Type: Application
    Filed: January 15, 2013
    Publication date: August 29, 2013
    Inventor: Luke W. CLAUSON
  • Publication number: 20130161048
    Abstract: An electric driver (1) as a power tool comprises a motor (2) which actuates a tool bit (100). The electric driver (1) has a first planetary gear mechanism (30), a second planetary gear mechanism (40), and a regulation member which regulate a second outer gear (43) to rotate. The regulation member includes an outer gear engaging member (50) and a deformable member (51) which is fixedly connected to the outer gear engaging member (50). The deformable member (51) extends in a direction in which a rotational axis of the first and the second planetary gear mechanism (30, 40) extends. A controller (61) is adapted to measure rotation torque based on displacement of the deformable member (51) via a strain gauge (55) which is attached on the deformable member (51).
    Type: Application
    Filed: December 14, 2012
    Publication date: June 27, 2013
    Applicant: MAKITA CORPORATION
    Inventor: MAKITA CORPORATION
  • Patent number: 8449425
    Abstract: One aspect of the invention includes a speed changing device which can be switched from a high-speed low-torque output state to a low-speed high-torque output state. In the high-speed low-torque state, a second stage internal gear rotates together with a first stage carrier. The low-speed high-torque output state is caused as the second stage internal gear is disconnected from the first stage carrier so as to be restricted from rotating. The timing of resetting the speed changing device is shifted relative to the timing of stopping the electric motor by an OFF operation of the switch lever with a delay mechanism, so that the second stage internal gear is engaged with the first stage carrier after the rotation through inertia is stopped, whereby its impact is reduced.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: May 28, 2013
    Assignee: Makita Corporation
    Inventor: Ryu Hashimoto
  • Patent number: 8449424
    Abstract: A steerable wheel motor assembly for moving construction lifts and scaffold equipment is disclosed and claimed which includes a spindle bracket configured to be pivotably mounted at an upper end to a steering mechanism for rotation about a vertical axis. The output shaft is supported by a first set of bearings and a second set of bearings with the second set of bearings including a speed and direction sensor integral therewith for detecting the speed and direction of rotation of the output shaft. The sensor outputs to a control system which controls the speed and direction of the equipment. A thrust washer is used to position the output sun gear accurately reducing manufacturing and maintenance costs of the assembly. Use of the thrust washer reduces the cost of machining the output shaft to a high tolerance.
    Type: Grant
    Filed: March 17, 2011
    Date of Patent: May 28, 2013
    Assignee: Fairfield Manufacturing Company Inc.
    Inventor: Benjamin Warren Schoon
  • Patent number: 8419581
    Abstract: A hub motor for electric vehicles and includes a rim, connecting members, a motor housing, a gear ring, a coil unit, a shaft, a tube, a magnet unit, a sun gear, a planet gear frame and multiple planet gears. The gear ring and the coil unit are fixed in the motor housing and two bearings are located between the shaft and the motor housing so that the motor housing is rotatable relative to the shaft. The tube has the magnet unit and the sun gear, and the planet gear frame is fixed to the shaft and the planet gears are connected to the planet gear frame. The planet gears are engaged with the gear ring and the sun gear.
    Type: Grant
    Filed: October 1, 2010
    Date of Patent: April 16, 2013
    Inventor: Chiu-Hsiang Lo
  • Patent number: 8357073
    Abstract: A control apparatus for a power transmitting system of a hybrid vehicle including (a) a differential portion which has a differential mechanism operatively connected to an engine and a first electric operatively connected to the differential mechanism, and a differential state of which is controlled by controlling an operating state of the first electric motor, and (b) a differential-state switching device which is incorporated in the differential mechanism and which is operable according to a differential-state switching condition, to switch the differential mechanism between a differential state in which the differential mechanism is operable to perform a differential function and a non-differential state in which the differential mechanism is not operable to perform the differential function, the control apparatus including a differential-state-switching-condition changing portion operable to change a differential-state switching condition for switching the differential-state switching device to switch the
    Type: Grant
    Filed: July 28, 2008
    Date of Patent: January 22, 2013
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Yuji Iwase, Tatsuya Imamura, Atsushi Tabata
  • Patent number: 8303467
    Abstract: A control apparatus for a vehicular drive system including (a) an electrically controlled differential portion having a differential mechanism and operable to control a differential state between its input and output speeds by controlling an operating state of an electric motor connected to a rotary element of the differential mechanism, and (b) a transmission portion which constitutes a part of a power transmitting path between the electrically controlled differential portion and a drive wheel of a vehicle, the control apparatus including a non-iso-power shifting control portion configured to implement a non-iso-power shifting control of the vehicular drive system (differential portion) when a required special shifting action of the transmission portion not according to a shifting boundary line map should be restricted.
    Type: Grant
    Filed: April 2, 2008
    Date of Patent: November 6, 2012
    Assignee: Toyota Jidosha Kabushiki Kasiha
    Inventors: Yuji Iwase, Tooru Matsubara, Hiroyuki Shibata, Atsushi Tabata
  • Patent number: 8303449
    Abstract: A transmission assembly is powered by an electric motor and includes a transmission having an outer ring gear, a connector moveable relative to the outer ring gear between a first position, in which the connector is rotatable with the transmission in response to torque received from the motor, and a second position, in which the connector and the outer ring gear are non-rotatable, and a control mechanism operable to detect the operating current of the motor and compare the operating current to a threshold current. The control mechanism is operable to move the connector from the first position to the second position in response to the motor operating current exceeding the threshold current.
    Type: Grant
    Filed: December 16, 2008
    Date of Patent: November 6, 2012
    Assignee: Techtronic Power Tools Technology Limited
    Inventors: Chi Hong Ho, Ka Ki Chan, Wing Fung Yip
  • Publication number: 20120238389
    Abstract: A steerable wheel motor assembly for moving construction lifts and scaffold equipment is disclosed and claimed which includes a spindle bracket configured to be pivotably mounted at an upper end to a steering mechanism for rotation about a vertical axis. The output shaft is supported by a first set of bearings and a second set of bearings with the second set of bearings including a speed and direction sensor integral therewith for detecting the speed and direction of rotation of the output shaft. The sensor outputs to a control system which controls the speed and direction of the equipment. A thrust washer is used to position the output sun gear accurately reducing manufacturing and maintenance costs of the assembly. Use of the thrust washer reduces the cost of machining the output shaft to a high tolerance.
    Type: Application
    Filed: March 17, 2011
    Publication date: September 20, 2012
    Applicant: FAIRFIELD MANUFACTURING COMPANY, INC.
    Inventor: BENJAMIN WARREN SCHOON
  • Patent number: 8180536
    Abstract: During control of a shift of a first friction engagement element from an engaged state into a disengaged state and a shift of a second friction engagement element from a disengaged state into an engaged state for a gear shift to a first target gear from a second target gear, a desired torque capacity of the first friction engagement element is set based on an actual transmission gear ratio by interpolation from values of the desired torque capacity corresponding to at least first and second reference transmission gear ratios, wherein the first reference transmission gear ratio is a transmission gear ratio at start of an inertia phase of the shift control. When the first reference transmission gear ratio is between the actual transmission gear ratio and the second reference transmission gear ratio, the desired torque capacity is set to the value corresponding to the first reference transmission gear ratio.
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: May 15, 2012
    Assignee: Jatco Ltd
    Inventors: Masami Suzuki, Goh Endo
  • Patent number: 8180540
    Abstract: A continuously variable transmission can have one or more rotatable output shafts, rotatable non-output shafts, continuously variable transmission elements selectively interconnecting at least one non-output shaft and one output shaft so as to permit variation of a transmission ratio therebetween. The transmission can also have one or more control elements for controlling the instantaneously prevailing ratio of the transmission including a sensor device for sensing the rotational position of a non-output shaft, and a processing device for determining the rotational position of the sensed, non-output shaft at a chosen instant. The processing device is connected to control elements to cause variation of the transmission ratio so that the output shaft attains a desired rotational position at a chosen instant.
    Type: Grant
    Filed: September 29, 2009
    Date of Patent: May 15, 2012
    Assignee: CNH America LLC
    Inventors: Riccardo Morselli, Paolo Ferracin, Alberto Berselli, Massimo Ronchetti, Sara Bonacini, legal representative
  • Patent number: 8036798
    Abstract: A control apparatus for a vehicular drive system arranged to electrically transmit a portion of an output force of an engine through an electric path. The control apparatus is configured to reduce loads of components associated with the electric path and to restrict a temperature rise of the components associated with the electric path, making it possible to reduce the required size of a cooling system. This is accomplished by placing a differential portion in a non-differential state or placing a switching clutch or switching brake in a partially engaged state when electrical energy through the electric path has increased to a thermal limit. As a result, the amount of generated electric energy is reduced, making it possible to restrict the temperature rise of the components associated with the electric path. Accordingly, the cooling system size can be reduced for these components.
    Type: Grant
    Filed: June 14, 2006
    Date of Patent: October 11, 2011
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Atsushi Tabata, Yutaka Taga, Yuji Inoue, Atsushi Kamada
  • Patent number: 7753818
    Abstract: A control apparatus for a vehicular drive system including a differential mechanism operable to distribute an output of an engine to a first electric motor and a power transmitting member, and a second electric motor connected to the power transmitting member. The control apparatus, which permits size reduction of the vehicular drive system, or improvements of fuel economy and vehicle drivability, includes a switching clutch or switching brake for switching a the differential mechanism between a continuously-variable shifting state and a step-variable shifting state, to enable the drive system to have both of an advantage of a fuel economy improvement of a transmission the speed ratio of which is electrically variable, and an advantage of high power transmitting efficiency of a gear type power transmitting device.
    Type: Grant
    Filed: March 15, 2006
    Date of Patent: July 13, 2010
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Atsushi Kamada, Atsushi Tabata, Yuji Inoue
  • Patent number: 7735766
    Abstract: A seatbelt retractor reduces the temporary weight during seatbelt withdrawal to increase an occupant's comfort. When a seatbelt is not being worn by an occupant (off), projections of an internal gear are placed in a circumferential center between adjacent projections by the spring force of springs. When a spool rotates in the belt withdrawing direction, the internal gear also rotates in the belt withdrawing direction. This arrangement disables a reduction mechanism's power transmission to cut off the direct connection between the spool and electric motor connected to a sun gear to reduce the temporary weight during withdrawal of the seatbelt. When the internal gear rotates at a predetermined angle, the projections come into contact with the projections to thereby stop the rotation of the internal gear. This enables the power transmission of the reduction mechanism, whereby the spool and electric motor are brought into direct connection via the reduction mechanism.
    Type: Grant
    Filed: August 1, 2006
    Date of Patent: June 15, 2010
    Assignee: Takata Corporation
    Inventor: Yasuaki Nomura
  • Publication number: 20100063698
    Abstract: A powertrain in a vehicle includes an electro-mechanical transmission having a selectable one-way clutch mechanically-operatively coupled to an internal combustion engine and configured to selectively transmit mechanical power to an output member. A control method includes monitoring a vehicle speed, monitoring a transmission gear state, comparing the vehicle speed to a threshold low speed range, transitioning a selectable one-way clutch into an engaged mode when said vehicle speed is not in a forward direction in excess of the threshold low speed range, and maintaining the selectable one-way clutch in the engaged mode based upon the transmission gear state remaining in a first gear state and the vehicle speed remaining within said threshold low speed range, a neutral state, or a reverse state.
    Type: Application
    Filed: September 9, 2008
    Publication date: March 11, 2010
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS, INC.
    Inventors: Chunhao J. Lee, Farzad Samie, Chi-Kuan Kao
  • Patent number: 7596440
    Abstract: A steering apparatus for an automotive vehicle is provided with an electric drive unit that varies a steering ratio between a road wheel angle and a steering wheel angle of the vehicle, a temperature sensor that detects a temperature of the electric drive unit, and a control unit including a steering ratio characteristic setting block that sets a characteristic of the steering ratio including a steering gain and a steering response rate in accordance with an operating state of the vehicle and, when the temperature of the electric drive unit exceeds a first temperature threshold, adjusts the steering response rate in such a manner that the steering response rate comes closer to a base steering response rate level as the temperature of the electric drive unit becomes increased and a drive block that drives the electric drive unit to vary the steering ratio according to the steering ratio characteristic.
    Type: Grant
    Filed: May 12, 2005
    Date of Patent: September 29, 2009
    Assignee: Nissan Motor Co., Ltd.
    Inventor: Hitoshi Ono
  • Patent number: 7588508
    Abstract: A vehicle with an axle assembly, which has a housing, a differential, an input shaft, a pair of shafts and a pair of wheel hubs, and an auxiliary drive unit that includes an electric motor and an overrunning clutch. The differential and the input shaft are disposed in the housing for rotation therein. The differential includes a case and a ring gear that is coupled to the case. The input shaft has a pinion that is meshingly engaged to the ring gear. Each shaft couples the differential to one of the wheel hubs. The clutch includes an input portion, which is coupled to the output shaft of the electric motor, and an output portion, which is coupled to the input shaft. The output portion is de-coupled from the input portion when a rotational speed of the input portion is not greater than a rotational speed of the output portion.
    Type: Grant
    Filed: April 28, 2008
    Date of Patent: September 15, 2009
    Assignee: American Axle & Manufacturing, Inc.
    Inventors: Gregory A. Marsh, Robert J. Degowske, Zugang Huang
  • Publication number: 20090186736
    Abstract: An automatic opening-closing device, especially for a cover or seat of a toilet, has a motor having a motor shaft, a speed reducer connected to the motor shaft, a planetary gearbox driven by the speed reducer, an output axle for driving the cover between an open position and a closed position. A protection device limits the torque between the output axle and an output shaft of the planetary gearbox.
    Type: Application
    Filed: January 21, 2009
    Publication date: July 23, 2009
    Inventors: Jingning TA, Zhiqiang Wu, Jicheng Pan
  • Patent number: 7553252
    Abstract: The differential unit with a limited slip differential mechanism of the present invention comprises a planetary gear mechanism for torque distribution of drive torque inputted to an input shaft from an engine between a front drive shaft and a rear drive shaft, and a multiple disc clutch for limiting differential rotation of the planetary gear mechanism, wherein, when a clutch plate receiving clutch engaging force applied to the multiple disc clutch is fixed to a side surface of a planetary carrier of the planetary gear mechanism, pins are formed on the ends of bolts for fixing the planetary carrier, and positioning and fixing is carried out by fitting the pins into check holes formed in the clutch plate.
    Type: Grant
    Filed: June 9, 2006
    Date of Patent: June 30, 2009
    Assignee: Fuji Jukogyo Kabushiki Kaisha
    Inventors: Mamoru Murakami, Norio Owada
  • Publication number: 20090124454
    Abstract: A control system capable of ensuring an engine braking force and a drive force even in case a failure occurs in a speed change ratio control or a deceleration control of an automatic transmission. The control system includes: a failure detecting mechanism for detecting a failure to set any of predetermined speed change ratios; and a speed change commanding mechanism for outputting a speed change command to set a speed change ratio larger than the current speed change ratio in accordance with a signal outputted when the failure detecting mechanism detects the failure.
    Type: Application
    Filed: October 26, 2006
    Publication date: May 14, 2009
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Atsushi Tabata, Ryuji Ibaraki, Tooru Matsubara, Yukihiko Ideshio, Hiroyuki Shibata
  • Publication number: 20090118095
    Abstract: To provide a control system for a power transmission system capable of speed change control in conformity of a deceleration demand. For this purpose, there is provided a control system for a power transmission system, which has at least two transmission units having different responsiveness to a speed change and capable of setting a speed change ratio individually, and in which a total speed change ratio is determined according to the speed change ratios of the transmission units, comprising: a speed change control means for changing a priority order to carry out a speed change operation of the individual transmission units to achieve a predetermined deceleration in conformity with a content of the deceleration demand, when the predetermined deceleration is demanded.
    Type: Application
    Filed: October 26, 2006
    Publication date: May 7, 2009
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Atsushi Tabata, Ryuji Ibaraki, Tooru Matsubara, Yukihiko Ideshio, Hiroyuki Shibata
  • Publication number: 20090111635
    Abstract: An electrically-variable transmission is provided with first and second motor/generators and three planetary gear assemblies. At least one of the planetary gear assemblies is a planetary gear assembly having multiple planetary gear sets. As a result, the gears for the planetary gear assembly can be represented on multiple radial planes. Each of the planetary gear assemblies has continuous interconnections, and selective connections via a plurality of torque-transmitting mechanisms, that provide three forward electrically-variable modes. Preferably, the planetary gear assemblies are connected to one another in such a manner as to allow shifting between one of the electrically-variable modes to occur at a point offset from a mechanical power flow of the transmission. This decreases the maximum power output required from the motor/generators.
    Type: Application
    Filed: October 3, 2008
    Publication date: April 30, 2009
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS, INC.
    Inventors: BRENDAN M. CONLON, KLAUS KERSTING, ANDREW W. PHILLIPS
  • Publication number: 20090098971
    Abstract: A transmission assembly is powered by an electric motor and includes a transmission having an outer ring gear, a connector moveable relative to the outer ring gear between a first position, in which the connector is rotatable with the transmission in response to torque received from the motor, and a second position, in which the connector and the outer ring gear are non-rotatable, and a control mechanism operable to detect the operating current of the motor and compare the operating current to a threshold current. The control mechanism is operable to move the connector from the first position to the second position in response to the motor operating current exceeding the threshold current.
    Type: Application
    Filed: December 16, 2008
    Publication date: April 16, 2009
    Inventors: Chi Hong Ho, Ka Ki Chan, Wing Fung Yip
  • Patent number: 7507177
    Abstract: Transmission method and arrangement for distributing tractive force in a vehicle between a first transmission branch (28a) and a second transmission branch (30). The transmission branches are connected to one another by way of a fork (28b) and one transmission branch (28a) is directly connectable to at least one wheel contact surface. The second transmission branch (30) is connected to the fork (28b) by way of a control unit (19), which is provided with control means (27) for varying the transmission ratio in this branch (30). The invention furthermore relates to a vehicle having at least two driving wheels (16, 16b, 17, 17b, 18, 18b) and the transmission arrangement specified above.
    Type: Grant
    Filed: November 16, 2006
    Date of Patent: March 24, 2009
    Assignee: Volvo Articulated Haulers AB
    Inventor: Karl-Erik Olsson
  • Publication number: 20090076694
    Abstract: A control apparatus for a vehicular drive system arranged to electrically transmit a portion of an output force of an engine through an electric path, which control apparatus is configured to reduce loads of components associated with the electric path and to restrict a temperature rise of the components associated with the electric path, making it possible to reduce the required size of a cooling system.
    Type: Application
    Filed: June 14, 2006
    Publication date: March 19, 2009
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Atsushi Tabata, Yutaka Taga, Yuji Inoue, Atsushi Kamada
  • Patent number: 7494438
    Abstract: A differential planetary gear apparatus has a single-pinion-type structure in which one planetary gear (3) is arranged in a radial direction and one or more planetary gears (3) are arranged in a circumferential direction in a region between a sun gear (1) and a ring gear (2), a drive source (4), a speed-change motive source (5), and a driven unit (6) are disposed at any one of an input side (I), an output side (O), and a speed-change side (T), respectively, and the speed-change motive source (5) includes an electric motor.
    Type: Grant
    Filed: March 2, 2007
    Date of Patent: February 24, 2009
    Assignee: Ebara Corporation
    Inventors: Katsumi Kimura, Toshio Miwa, Michio Takashima, Takeshi Usami, Kazuhiko Sugiyama
  • Publication number: 20090017953
    Abstract: A rotary drive device includes a motor including a rotary shaft, a planetary gear mechanism, and a rotation position detector. The planetary gear mechanism decelerates a rotation output of the motor at a reference reduction ratio and includes an outer gear, multistage gears, and an output shaft. The outer gear is fixed to a housing of the motor. The multistage gears are provided inside the outer gear. The output shaft transmits the decelerated rotation output of the motor to an outside of the rotary drive device. The rotation position detector detects a rotation position of the output shaft to control rotation of the motor. The motor, the planetary gear mechanism, and the rotation position detector are combined into a single integrated unit and aligned in an axial direction of the rotary shaft of the motor.
    Type: Application
    Filed: July 14, 2008
    Publication date: January 15, 2009
    Inventors: Takuya Uehara, Joh Ebara, Yohei Miura, Takuya Murata
  • Patent number: 7399248
    Abstract: A differential mechanism for transmitting power from an input to an output includes a case containing a side gear, a locking member rotatably secured to the case and axially displaceable relative to the case. The locking member alternately engages the side gear to limit rotation of the side gear relative to the case, and disengages the side gear to permit rotation of the side gear relative to the case. An electromagnetic coil assembly is supported on the case for movement toward and away from the locking member. A first actuator including an electromagnetic coil is supported on the case for moving the locking member toward engagement with the side gear in response to energizing the coil. A second actuator urges the locking member away from engagement with the side gear.
    Type: Grant
    Filed: May 22, 2006
    Date of Patent: July 15, 2008
    Assignee: Ford Motor Company
    Inventors: Aaron Kleinhans, Xiaohong Duan, Zhesheng Li, Clive McKenzie, Brian Andonian
  • Patent number: 7374508
    Abstract: A power transmitting device, such as a differential, having a housing, input and output shafts, which are rotatably disposed in the housing, a gear set, one or more actuators and/or one or more sensors disposed within the housing, and a connector having a fitting, a seal member and a locking member. The gear set is operable for transmitting rotary power between the input and output shafts. The fitting has a body that extends through a hole formed in the housing. The body includes a plurality of terminals that are electrically coupled to the at least one electrical components. The seal member is disposed between the fitting and the housing to form a seal therebetween. The locking member engages the body and the housing to retain the fitting to the housing. The fitting facilitates electrical connection of the electrical components within the housing with a wire harness that is external to the housing.
    Type: Grant
    Filed: March 28, 2007
    Date of Patent: May 20, 2008
    Assignee: American Axle & Manufacturing, Inc.
    Inventor: Bruce A. Duncan
  • Patent number: 7364524
    Abstract: A module with an axle assembly, which has a housing, a differential, an input shaft, a pair of shafts and a pair of wheel hubs, and an auxiliary drive unit that includes an electric motor and an overrunning clutch. The differential and the input shaft are disposed in the housing for rotation therein. The differential includes a case and a ring gear that is coupled to the case. The input shaft has a pinion that is meshingly engaged to the ring gear. Each shaft couples the differential to one of the wheel hubs. The overrunning clutch includes an input portion, which is coupled to the output shaft of the electric motor, and an output portion, which is coupled to the input shaft. The output portion is de-coupled from the input portion when a rotational speed of the input portion is not greater than a rotational speed of the output portion.
    Type: Grant
    Filed: May 1, 2006
    Date of Patent: April 29, 2008
    Assignee: American Axel & Manufacturing, Inc.
    Inventors: Gregory A. Marsh, Robert J. Degowske, Zugang Huang
  • Patent number: 7354372
    Abstract: An electric actuator for an automatic transmission includes an adapter to transmit rotary motion between the adapter and the automatic transmission. An electric motor has an output shaft operably connected to the adapter by a gear set which includes a ring gear. The gear set reduces speed and increases torque supplied by the output shaft of the electric motor and applied to the adapter. A release mechanism is operably connected to the gear set and includes a lock member movable between a first position wherein the lock member is in engagement with the ring gear to lock the ring gear against rotary motion in both directions and a second position wherein the lock member is out of engagement with the ring gear to permit rotary motion of the ring gear in both directions.
    Type: Grant
    Filed: June 13, 2007
    Date of Patent: April 8, 2008
    Assignee: Dura Global Technologies, Inc.
    Inventor: Yong Qiang Wang