And Engine Patents (Class 477/185)
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Patent number: 12168442Abstract: A control device, system and method that distribute a braking request to at least one of a powertrain and a brake based on a braking request by driver operation and a braking force that is generable by the power train. When the braking request is larger than the braking force that is generable by the powertrain, the device, system and method instruct a controller of the powertrain to generate the braking force that is generable by the powertrain, and to instruct a controller of the brake to generate a braking force corresponding to a difference between the braking request and the braking force that is generable by the powertrain.Type: GrantFiled: August 15, 2023Date of Patent: December 17, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Kazuki Miyake
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Patent number: 11912137Abstract: A method for assisting a vehicle to tilt includes: receiving a first torque instruction output by a throttle assembly, and generating a second torque instruction, in which the first torque instruction is determined based on a manipulation degree applied to the throttle assembly, and the second torque instruction is determined based on attitude information of the vehicle; performing a weighted summation on the first torque instruction and the second torque instruction based on a first proportional coefficient of the first torque instruction and a second proportional coefficient of the second torque instruction to obtain a third torque instruction; and outputting the third torque instruction to a motor controller, and controlling a tilt angle of the vehicle by the motor controller based on the third torque instruction, in which the tilt angle of the vehicle is less than or equal to a target angle threshold.Type: GrantFiled: July 20, 2021Date of Patent: February 27, 2024Assignee: Ninebot (Beijing) Tech Co., Ltd.Inventors: Yubin Yuan, Qiang Zhang
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Patent number: 11702059Abstract: At least some embodiments of the present disclosure are directed to systems and methods of online power management for hybrid powertrains. In some embodiments, the hybrid powertrain control system is configured to conduct a brake-thermal-efficiency (BTE) estimation procedure when the powertrain is in operation by operating the hybrid powertrain at a plurality of speeds for a plurality of designated power levels and select certain BTE operating conditions to update the power management.Type: GrantFiled: July 22, 2020Date of Patent: July 18, 2023Assignee: CUMMINS INC.Inventors: Dheeraj B. Gosala, Carlos A. Lana
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Patent number: 11505172Abstract: An apparatus for removing rust on a brake disk includes: an environment information acquisition unit configured to acquire environment information, a controller configured to perform a function of calculating an amount of generated rust using the environment information, and controlling the rust removal depending on whether or not the amount of generated rust exceeds the preset reference value, and a driver configured to drive a brake system under the control of rust removal.Type: GrantFiled: October 18, 2019Date of Patent: November 22, 2022Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Kwon-Hyoung Choi, Jong-Chan Jun, Deok-Hwan Seo, Jin-Hyung Lee, Gwi-Chul Kim, So-Ra Jang, Ho-Sung Hwang, Ki-Young Kim
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Patent number: 11440642Abstract: An aircraft actuator torque limiter includes a disengageable torque transmitter between a rotary shaft and a driven member. The disengageable transmitter includes a friction pack including at least one contact member mounted secured in rotation with the rotary shaft and a complementary contact member, mounted secured in rotation with the driven member. The transmitter includes a clamp of the friction pack and a mover of the clamp, able to contract or expand differentially relative to the rotary shaft along the axis of rotation during a temperature variation. The clamp mover is made from a second material having a thermal expansion coefficient different from that of the first material forming the rotary shaft.Type: GrantFiled: October 1, 2020Date of Patent: September 13, 2022Assignee: DASSAULT AVIATIONInventor: Antoine Patrick Faure
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Patent number: 11312366Abstract: A method for reinforcing safety of a vehicle on a ramp applied to a vehicle is performed by a first priority anti-skid countermeasure control in which a brake is operated together with displaying an occurrence of the skid of a vehicle/vehicle stop message on a ramp by a controller when the vehicle starts, a second priority anti-skid countermeasure control in which compensating an idle torque is performed together with displaying a guidance of anti-skid function operation/vehicle stop message is performed, a third priority anti-skid countermeasure control in which displaying a turn-off/vehicle stop message is performed, and a fourth priority anti-skid countermeasure control in which forcibly shifting to a N (neutral) stage or permitting the shift together with displaying a forcibly switching to the shift stage N stage/vehicle stop message is performed.Type: GrantFiled: October 19, 2020Date of Patent: April 26, 2022Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventor: Dae-Sung Yang
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Patent number: 11286897Abstract: A control method of controlling an idle stop-and-go (ISG) function of a vehicle provided with a manual transmission includes: determining, by a controller, whether an ISG function activation condition is satisfied based on vehicle running state information of the vehicle; stopping an engine, by the controller, when the ISG activation condition is satisfied; determining, by the controller, whether a first starting condition in which a shift stage of the manual transmission is a neutral stage is satisfied; determining, by the controller, whether a second starting condition in which a shift stage of the manual transmission is a driving stage is satisfied; and restarting, by the controller, the engine when the first starting condition or the second starting condition is satisfied. The vehicle running state information includes: an operation information of the manual transmission and a clutch pedal, and current and recorded vehicle speeds of the vehicle.Type: GrantFiled: May 19, 2020Date of Patent: March 29, 2022Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventor: Jung Hwan Bang
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Patent number: 10821954Abstract: The disclosure relates to a brake system for a vehicle, said brake system comprising a brake for securing the vehicle, wherein the brake comprises an actuator for actuating the brake. It is proposed to directly electrically connect an electrical connection for external energy sources to the actuator of the brake with the result that preferably only the actuator is externally supplied with electrical energy. Furthermore, the disclosure proposes a vehicle having the brake system, and a method for operating the brake system.Type: GrantFiled: January 21, 2019Date of Patent: November 3, 2020Assignee: FORD GLOBAL TECHNOLOGIES, LLCInventors: Ferdinand Greimann, Erik Mueller-Wickop, Karl-Peter Hesseler
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Patent number: 10576983Abstract: A vehicle system comprises a brake system comprising a brake pedal and a braking mechanism configured to apply a braking force to a vehicle, and a vehicle control unit operable to automatically stop an engine when the vehicle is decelerated to a given vehicle speed or less during traveling. When it is detected that the brake pedal is manipulated and the vehicle is stopped after automatically stopping the engine, the vehicle control unit is operable to control the braking mechanism to increase the braking force from a current value according to a manipulation amount of the brake pedal up to a given value.Type: GrantFiled: August 21, 2018Date of Patent: March 3, 2020Assignee: MAZDA MOTOR CORPORATIONInventors: Masaru Takase, Ryohei Yasutomi, Hisanobu Okada, Setsuya Kishimura, Takeshi Yabuki, Keishi Taki, Seiyo Hirano, Akitomo Kume
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Patent number: 10392005Abstract: A hybrid electric vehicle including a gradient acquiring portion which acquires a gradient of a road surface on which the vehicle is running, and a control portion which determines whether the vehicle runs on a first driving by means of power from the motor by releasing the engagement and disengagement portion, or on a second driving by means of power from at least the internal combustion engine by applying the engagement and disengagement portion. The control portion restricts a switch from the second driving to the first driving when the gradient of the downward slope is equal to or greater than a threshold value. The control portion holds the second driving when the switch from the second driving to the first driving is restricted, even though the control portion obtains a request for a switch to the first driving while the vehicle runs the downward slope on the second driving.Type: GrantFiled: December 23, 2016Date of Patent: August 27, 2019Assignee: HONDA MOTOR CO., LTD.Inventors: Junpei Hatsuda, Shigeki Kazehare, Masashi Eto, Takanori Kon
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Patent number: 10215118Abstract: An internal combustion engine of a hybrid drive vehicle includes an exhaust gas purification catalyst in an exhaust passage. An internal combustion engine control device is configured to continuously rotate the internal combustion engine for a predetermined time period after an engine start. The internal combustion engine control device prohibits a fuel-cut within the predetermined time period after the engine start, thereby suppressing the frequent repetition of the start and stop of the internal combustion engine due to an accelerator pedal operation and suppressing oxygen storage in the exhaust gas purification catalyst associated with the fuel-cut. As a result, exhaust gas purification performance at the time of restarting the internal combustion engine is ensured.Type: GrantFiled: January 17, 2013Date of Patent: February 26, 2019Assignee: NISSAN MOTOR CO., LTD.Inventors: Yasushi Ohmura, Hiroshi Arakawa
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Patent number: 10048167Abstract: An engine torque estimator for an internal combustion engine, includes a cylinder internal pressure sensor, an indicated-torque calculator, a pump loss torque calculator, and an engine torque calculator. The cylinder internal pressure sensor detects a cylinder internal pressure in a cylinder. The indicated-torque calculator calculates an indicated torque in a second combustion cycle based on the cylinder internal pressure detected in a period from an exhaust stroke in a first combustion cycle to an expansion stroke in the second combustion cycle. The second combustion cycle that follows the first combustion cycle. The pump loss torque calculator calculates a pump loss torque in the second combustion cycle based on the cylinder internal pressure detected in the period. The engine torque calculator calculates an engine torque of the internal combustion based on the indicated torque and the pump loss torque.Type: GrantFiled: September 16, 2016Date of Patent: August 14, 2018Assignee: HONDA MOTOR CO., LTD.Inventors: Tomoya Kubo, Taisuke Inoue, Shusuke Akazaki, Ken Ogawa
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Patent number: 10024291Abstract: A vehicle includes an engine and a brake system. The vehicle includes a controller configured to maintain an ignition state of the engine such that changes in an ignition state between engine start and engine stop are inhibited during a pressurization of the brake system that is prompted by the indication and initiated prior to brake pedal application. The maintained ignition state is responsive to receiving an indication of a degraded road condition from a source in a vicinity of the vehicle.Type: GrantFiled: May 17, 2017Date of Patent: July 17, 2018Assignee: Ford Global Technologies, LLCInventors: Hafiz Shafeek Khafagy, Mohannad Hakeem, Mahmud Salam
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Patent number: 9988995Abstract: An output control system incorporated in a vehicle including a clutch device comprises an upper limit setting section which sets an upper limit value of an output of the drive source to a starting control upper limit value when the output control system is performing a starting control; and a wheelie determiner section which determines whether or not a wheelie is occurring in the vehicle when the output control system is performing the starting control, wherein when the wheelie determiner section determines that the wheelie is occurring, the output control system performs a wheelie suppressing control for suppressing the output of the drive source while maintaining the starting control in such a manner that the output becomes less when the wheelie determiner section determines that the wheelie is occurring than before the wheelie determiner section determines that the wheelie is occurring.Type: GrantFiled: October 7, 2016Date of Patent: June 5, 2018Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Tatsuya Hirokami, Shohei Terai, Seiji Azuma, Kengo Ueda
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Patent number: 9951738Abstract: This invention provides a computer implemented method which allows the driver to request engine shut down and engine and restarts the engine of a motor vehicle by changing driver brake pedal force, that is, the force which the driver applies to the brake pedal, after the vehicle has stopped. After the vehicle has stopped, changes in the driver brake pedal force are compared to threshold values to determine if the driver is requesting an engine stop or an engine start.Type: GrantFiled: February 16, 2015Date of Patent: April 24, 2018Assignee: Voyomotive, LLCInventors: Peter Yorke, Robert Vogt, IV, Adam Sloan
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Patent number: 9895972Abstract: A wheelie suppressing device comprises a wheelie determiner section which detects a wheelie state; and a wheelie suppressing section which performs a wheelie suppressing control for suppressing an engine output when the wheelie determiner section has detected the wheelie state, wherein the wheelie suppressing control includes a first suppressing control for suppressing the engine output while performing fuel feeding and an ignition operation, and a second suppressing control for suppressing the engine output by performing the fuel feeding or the ignition operation at a reduced rate.Type: GrantFiled: October 7, 2016Date of Patent: February 20, 2018Assignee: Kawasaki Jukogyo Kabushiki KaishaInventors: Tatsuya Hirokami, Shohei Terai, Seiji Azuma, Kengo Ueda
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Patent number: 9896000Abstract: A control device of an electric vehicle comprises: an operating state detector that detects the operating state of an accelerator pedal; a motor controller that executes deceleration control over a travel motor, including coasting control which reduces the driving force of the travel motor to zero, when the returning operation of the accelerator pedal is detected by the operating state detector; and a region setter that sets the range of the depression amount of the accelerator pedal for executing the coasting control, based on the depression amount of the accelerator pedal at the start of the returning operation of the accelerator pedal. The control device can switch among the types of control over the travel motor during the returning operation of the accelerator pedal, while suppressing a driver's sense of incongruity.Type: GrantFiled: June 28, 2016Date of Patent: February 20, 2018Assignee: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHAInventors: Masato Nishida, Takanori Sugimoto
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Patent number: 9751516Abstract: A controller may be configured to adjust a brake apply and release detection calibration based on a detection sensitivity associated with a predicted driver start/stop intention for a vehicle and an associated confidence level indicative of a likelihood of the predicted driver intention; and perform at least one of engine startup and engine shutdown according to the adjusted brake pedal detection calibration.Type: GrantFiled: February 27, 2014Date of Patent: September 5, 2017Assignee: Ford Global Technologies, LLCInventors: Hai Yu, Johannes Geir Kristinsson, Ryan Abraham McGee, Mathew Alan Boesch
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Patent number: 9643609Abstract: Embodiments of the invention provide a vehicle comprising actuator operable to provide motive power to the vehicle, the vehicle being operable automatically to switch off and subsequently to restart the actuator thereby to reduce an amount of time the actuator is on, wherein the vehicle may be placed in an eco-stop condition by a driver-operated brake in which the vehicle is held stationary and the actuator is off, the vehicle being operable automatically to perform an eco-start operation in which the actuator is restarted when the driver releases the brake, wherein when an eco-start is performed the vehicle is arranged automatically to be held stationary by the brake whilst the actuator is restarted, if the actuator fails to restart the vehicle being further arranged automatically to assume a failed start condition in which the vehicle continues to be held stationary.Type: GrantFiled: March 14, 2012Date of Patent: May 9, 2017Assignee: JAGUAR LAND ROVER LIMITEDInventors: Baptiste Bureau, Ajay-Neil Kemwal, Adam Keith Leatherland, Rob Palin
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Patent number: 9533573Abstract: Provided is a method of driving a vehicle including: monitoring a power status of the vehicle; and if, during the monitoring the power status of the vehicle, a power failure is detected and a first acceleration command is received, controlling the vehicle to travel at a first speed corresponding to the first acceleration command.Type: GrantFiled: December 3, 2013Date of Patent: January 3, 2017Assignee: Hanwha Techwin Co., Ltd.Inventors: Hee Seo Chae, Sung Eun Park
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Patent number: 9522658Abstract: A control system for a vehicle includes a powertrain comprising a prime mover and a driveline. The control system selectively controls the driveline to assume a first state in which a transmission of the driveline is substantially fully connected to the prime mover and a second state in which when the vehicle is stationary the transmission is at least partially disconnected or decoupled from the prime mover to reduce a torque loading on the prime mover. The control system controls the driveline to assume the second state when the vehicle is held stationary by a brake in response to actuation of a driver operable brake control. Upon release of the brake control, the control system verifies that a first portion of a powertrain of the vehicle is rotating at a speed exceeding a prescribed threshold and commands the driveline to assume the first state before permitting release of the brake.Type: GrantFiled: January 9, 2013Date of Patent: December 20, 2016Assignee: JAGUAR LAND ROVER LIMITEDInventors: Tim Reynolds, Craig Percy
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Patent number: 9470157Abstract: A hill start assist method for a vehicle includes a vehicle-mounted controller for sensing an intention to start on an uphill slope, and converts a sensed gradient resistance into a target torque, and enables the engine to have adequate torque reserve in advance; therefore, in the subsequent start, driving wheels can obtain sufficient driving force to ensure that the vehicle will not slide backward. Furthermore, for a manual automobile, the engine torque is boosted in an early stage during a clutch release by a driver, thus accelerating the rotation speed of the engine, and avoiding, to a certain extent, engine stalling caused by a too quick or too much clutch release, compared with the situation where the engine is completely idling.Type: GrantFiled: November 11, 2013Date of Patent: October 18, 2016Assignee: AUTOLIV DEVELOPMENT ABInventors: Wei Liu, Long Ying
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Patent number: 9457811Abstract: A method for restarting an engine of a vehicle stopped on a grade, comprising the steps of engaging a gear of a transmission through which the engine and wheels of the vehicle are driveably connected mutually, using brake pressure to engage wheel brakes and produce a road gradient wheel torque that holds the vehicle stationary on the grade, initiating an engine restart, operating the engine to produce wheel torque equal to or greater than the road gradient wheel torque, and releasing the brake pressure.Type: GrantFiled: September 17, 2009Date of Patent: October 4, 2016Assignee: FORD GLOBAL TECHNOLOGIES, LLCInventors: Hai Yu, Ryan A. McGee, Ihab S. Soliman, Mathew A. Boesch
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Patent number: 9381909Abstract: Systems and methods for improving operation of a hybrid vehicle are presented. In one example, a method for transitioning between driveline braking and wheel brakes is provided.Type: GrantFiled: January 13, 2015Date of Patent: July 5, 2016Assignee: Ford Global Technologies, LLCInventors: Adam Nathan Banker, Alex O'Connor Gibson, Jeffrey Allen Doering, James William Loch McCallum, David Oshinsky
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Patent number: 9005082Abstract: An ECU increases an engine rotation speed when the ECU determines that an inclination angle of an uphill is larger than or equal to a predetermined value, an accelerator is off and a vehicle speed in a direction opposite to a travelling direction of a vehicle, indicated by a specified range, is increasing. Subsequently, the ECU acquires an engine stall predicted vehicle speed, and calculates a predetermined value used in an immediate engine stall determination condition from a current rate of increase per unit time of a turbine rotation speed. Then, the ECU determines that immediate engine stall determination is affirmative when a rotation speed difference between the engine rotation speed and the turbine rotation speed becomes smaller than the predetermined value, and executes engine stall prevention control.Type: GrantFiled: October 26, 2012Date of Patent: April 14, 2015Assignee: Toyota Jidosha Kabushiki KaishaInventors: Koji Okamura, Takao Nishimura, Masatomo Yoshihara, Fumikazu Satou
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Publication number: 20150073675Abstract: Systems and methods for improving operation of a vehicle are presented. In one example, vehicle brakes are held to reduce the possibility of vehicle motion and stopping of engine rotation is prevented until confirmation of vehicle hold is present. The approach may allow an engine to remain in an off state for a longer period of time while reducing the possibility of vehicle motion.Type: ApplicationFiled: September 12, 2013Publication date: March 12, 2015Applicant: Ford Global Technologies, LLCInventors: Mark Douglas Malone, Michael John Mould, William Najib Mansur, Chad Everette Griffin, Karl-Peter Hesseler
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Publication number: 20150061298Abstract: An electromagnetic braking system includes an electrically conductive disc coupled to a rotatable shaft of a power generation system for operating in an island mode. The rotatable shaft is operatively coupled between a prime mover and a generator for supplying power to an island grid. The electromagnetic braking system further includes a controller for receiving at least one status or synchronization signal and for generating a control signal based on the at least one signal and an inducting unit for applying an electromagnetic braking force on the electrically conductive disc when commanded by the control signal to regulate a rotational speed of the rotatable shaft.Type: ApplicationFiled: November 13, 2014Publication date: March 5, 2015Inventors: Ara Panosyan, Stefan Schroeder, Christoph Boeld, Herbert Schaumberger, Johann Hirzinger-Unterrainer, Xiaoting Dong, Uwe Liebscher
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Patent number: 8961370Abstract: A vehicle control apparatus includes a controller that performs control such that an engine output does not increase when a control mechanism and a brake override are operated simultaneously, wherein the control mechanism controls the engine output independently of an accelerator operation amount, and wherein the brake override system reduces the engine output in response to simultaneous operations of an accelerator and a brake.Type: GrantFiled: June 11, 2012Date of Patent: February 24, 2015Assignee: Toyota Jidosha Kabushiki KaishaInventors: Akihiro Kida, Michihito Shimada, Masashi Takagi, Hiroshi Shimada
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Publication number: 20150021141Abstract: A system and method for conserving vacuum within a vehicle is described. In one example, a vacuum level in a working chamber of a vacuum operated brake booster is controlled so as to limit vacuum consumption.Type: ApplicationFiled: July 16, 2013Publication date: January 22, 2015Inventors: Ralph Wayne Cunningham, Ross Dykstra Pursifull, Russ William Ferguson
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Patent number: 8932179Abstract: Systems and methods for improving operation of a hybrid vehicle are presented. In one example, a method for transitioning between driveline braking and wheel brakes is provided.Type: GrantFiled: February 25, 2013Date of Patent: January 13, 2015Assignee: Ford Global Technologies, LLCInventors: Adam Nathan Banker, Alex O'Connor Gibson, Jeffrey Allen Doering, James William Loch McCallum, David Oshinsky
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Patent number: 8876660Abstract: A vehicle control system for a vehicle includes an engine control device configured to automatically stop an engine of the vehicle during running of the vehicle; and a brake control device configured to execute an assisting control for increasing an output of a brake for restraining rotation of a wheel of the vehicle when a starting condition for starting the assisting control is satisfied, such that an amount of the output increased by execution of the assisting control becomes larger than an amount corresponding to an operational state of a brake operating member of the vehicle. The brake control device includes an automatic-stop assisting control portion configured, during an automatic stop state in which the engine is automatically stopped by the engine control device, to execute the assisting control in a manner different from a manner in which the assisting control is executed during an activation state of the engine.Type: GrantFiled: October 9, 2009Date of Patent: November 4, 2014Assignee: Toyota Jidosha Kabushiki KaishaInventors: Akiyoshi Yamada, Hiroshi Ueno
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Patent number: 8858396Abstract: A device controls ISG (Idle Stop & Go) logic mounted in a vehicle equipped with an ISG system. The device includes a transmitting unit that shows the current state of a gear in the vehicle and controls the hydraulic pressure of a transmission in idle stop or restarting an engine, a driving unit that performs the idle stop when the pedal of a brake becomes ON, with the gear at a D (Drive)-range, and restarts the engine when the pedal of the brake becomes OFF, with the gear of the vehicle at the D-range, and a brake unit that controls movement of the vehicle by controlling the hydraulic pressure of the brake, in which brake unit controls the hydraulic pressure of a brake to be kept for a predetermined time from when the pedal of the brake becomes OFF.Type: GrantFiled: October 19, 2011Date of Patent: October 14, 2014Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Chongah Gwon, Sejun Kim, Jiyong Yu, Junghwan Bang
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Publication number: 20140243152Abstract: A method for improving starting of an engine that may be repeatedly stopped and started is presented. In one example, the method adjusts application of vehicle brakes to reduce the possibility of impact between gear teeth after engine starting.Type: ApplicationFiled: February 27, 2013Publication date: August 28, 2014Applicant: FORD GLOBAL TECHNOLOGIES, LLCInventors: Alex O`Connor Gibson, Michael M.S. Simon, Jeffrey Allen Doering
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Patent number: 8694221Abstract: A method for braking a vehicle in a driving situation, in which an automatic braking function is active. The hydraulic pump of the brake control system may be sized to be relatively small and cost-effective, if, in critical driving situations, an additional braking device is automatically switched on or its braking capacity is increased, in order to assist the service brake and further decelerate the vehicle.Type: GrantFiled: August 18, 2011Date of Patent: April 8, 2014Assignee: Robert Bosch GmbHInventors: Philipp Frueh, Rainer Brueggemann, Andreas Reize
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Patent number: 8574128Abstract: Providing a control apparatus for a vehicle having a parking lock device 50 which is placed in its released state with a hydraulic pressure generated by an oil pump 58 operated by an engine 26, which control apparatus permits reduction of a risk of unintended releasing of the parking lock device 50 upon occurrence of an operating failure of an ON-OFF switching valve 72 or a switching valve 70 of a hydraulic device 69 provided to supply the hydraulic pressure.Type: GrantFiled: February 6, 2009Date of Patent: November 5, 2013Assignee: Toyota Jidosha Kabushiki KaishaInventors: Shigeru Kimura, Naoki Itazu
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Publication number: 20130123066Abstract: There is provided an output control device for a vehicle. The device includes an accelerator operator to receive an output adjustment operation of a drive power of a vehicle; a brake operator to receive a braking operation of a braking device; an accelerator operation amount detection unit for detecting an operation amount of the accelerator operator; a brake operation force estimation unit for estimating an operation force of the brake operator; and an output suppression control unit for suppressing an output of the drive power regardless of a state of the accelerator operator, in the case where for a predetermined time or longer, a state continues in which the operation amount of the accelerator operator is greater than or equal to a predetermined accelerator threshold value, and the operation force estimated by the brake operator is greater than or equal to a predetermined brake threshold value.Type: ApplicationFiled: November 2, 2012Publication date: May 16, 2013Applicant: Fuji Jukogyo Kabushiki KaishaInventor: Fuji Jukogyo Kabushiki Kaisha
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Publication number: 20130103267Abstract: A braking control system includes sensors for detecting pressure applied to a brake pedal. The system can also include a pressure sensor capable of detecting the hydraulic pressure of the braking system. The system can also include a position sensor for detecting a position of the brake pedal. The pressure applied to the brake pedal is compared to either the hydraulic pressure or the pedal position. If the resulting measurements are not correlated properly, braking countermeasures are applied. Braking countermeasures can include engine braking, regenerative braking, hydraulic assist, and brake pad assist.Type: ApplicationFiled: October 21, 2011Publication date: April 25, 2013Applicant: Honda Motor Co., Ltd.Inventor: David S. DeWitt
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Patent number: 8381885Abstract: A brake system and powered implement, such as a lawn mower, incorporating the same. In one aspect the invention is a system for stopping an electrically grounded rotating member of an engine powered by an ignition circuit, the system comprising: a conductive member operably coupled to the ignition circuit that renders the engine inoperative when electrically grounded, the conductive member mounted adjacent the rotating member; and the conductive member normally biased into a brake position in which the conductive member contacts the rotating member and is electrically grounded as a result of the contact with the rotating member.Type: GrantFiled: January 29, 2010Date of Patent: February 26, 2013Inventors: Mark Huibregtse, Nathaniel J. Vlietstra
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Patent number: 8382642Abstract: A vehicle control apparatus includes: an automatic-stop-and-restart-control-unit stopping/restarting an engine, a brake-fluid-pressure-control-unit controlling wheel-cylinder-pressure using a brake-system, which intensifies brake-manipulation-force by a brake-booster to cause master-cylinder-pressure in a master-cylinder while the engine operates, and which transfers the master-cylinder-pressure to wheel-cylinders to cause the wheel-cylinder-pressure, the brake-system including an actuator automatically increasing pressure in the wheel-cylinders irrespective of the brake-manipulation-force; a negative-pressure-detection-unit which detects the vacuum-pressure; a first-determination-unit which determines whether the vacuum-pressure is not more than a first threshold while the engine stops, a restarting-unit which allows the automatic-stop-and-restart-control-unit to restart the engine when the first-determination-unit determines that the vacuum-pressure is not more than the first threshold; a second-determinatiType: GrantFiled: April 15, 2011Date of Patent: February 26, 2013Assignees: Denso Corporation, Advics Co., Ltd.Inventors: Tatsuya Saito, Takashi Satoh, Yosuke Ohmori, Masayoshi Takeda
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Patent number: 8360933Abstract: A method of operating a drivetrain of a motor vehicle such that the drivetrain comprises a drive aggregate (1), an accelerator pedal (5) and a brake pedal (6). According to the invention, when the accelerator pedal (5) and the brake pedal (6) are not actuated and the drivetrain is operated in a crawling mode, thereafter if actuation of the brake pedal (6) is then detected and such actuation is by less than a defined limit amount, a crawling torque supplied for crawling operation is reduced without calling for any auxiliary braking energy to assist with braking. In contrast, if during the crawling operation, the brake pedal (6) is actuated by more than the defined limit amount, a crawling torque supplied for crawling operation is reduced and auxiliary braking energy is also called for to assist with braking.Type: GrantFiled: March 2, 2010Date of Patent: January 29, 2013Assignee: ZF Friedrichschafen AGInventor: Johannes Kaltenbach
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Publication number: 20130023382Abstract: A device for removing rust on a brake disk of a wheel brake includes a control unit which automatically activates a brake actuator in order to apply brake shoes to the brake disk of the brake if at least one vehicle parameter satisfies a predefined activation condition.Type: ApplicationFiled: November 12, 2010Publication date: January 24, 2013Inventor: Peter LJUNGDAHL
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Patent number: 8352164Abstract: A method is described for operating an engine of a vehicle, the engine having a combustion chamber. The method may include controlling a stability of the vehicle in response to a vehicle acceleration; and adjusting spark timing in the combustion chamber of the engine in response to a knock indication, and further adjusting spark timing in response to the vehicle acceleration to reduce surge.Type: GrantFiled: August 6, 2012Date of Patent: January 8, 2013Assignee: Ford Global Technologies, LLCInventors: Thomas G. Leone, Ralph Wayne Cunningham, Eric Tseng, Davor David Hrovat, Mrdjan J. Jankovic, Diana Yanakiev
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Publication number: 20120322619Abstract: A vehicle control apparatus includes a controller that performs control such that an engine output does not increase when a control mechanism and are operated simultaneously, wherein the control mechanism controls the engine output independently of an accelerator operation amount, and wherein the brake override system reduces the engine output in response to simultaneous operations of an accelerator and a brake.Type: ApplicationFiled: June 11, 2012Publication date: December 20, 2012Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Akihiro Kida, Michihito Shimada, Masashi Takagi, Hiroshi Shimada
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Patent number: 8328690Abstract: A braking/driving force control apparatus for a vehicle includes a drive wheel configured to be driven by an output of a drive source; a brake unit configured to control a braking force to be applied to the drive wheel, in accordance with a state of the vehicle; and a brake control unit configured to control the brake unit, and configured to reduce a brake torque of the drive source when the brake unit actually applies a braking force to at least the drive wheel of the vehicle.Type: GrantFiled: June 25, 2009Date of Patent: December 11, 2012Assignee: Hitachi, Ltd.Inventor: Nobuyuki Ohtsu
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Publication number: 20120295762Abstract: An auxiliary braking device for a vehicle includes an accelerator pedal operation amount detection unit, a brake pedal operation amount detection unit, a wheel speed detection unit, and a wheel speed difference calculation unit. The wheel speed difference calculation unit calculates a wheel speed difference between the wheel speeds of a front wheel and a rear wheel based on a signal of the wheel speed output from the wheel speed detection unit, and outputs a signal of the calculation result. In addition, the braking assistance unit assists in braking the vehicle in a case where the wheel speed difference obtained by the wheel speed difference calculation unit is greater than or equal to a predetermined value.Type: ApplicationFiled: January 19, 2011Publication date: November 22, 2012Applicant: HONDA MOTOR CO., LTD.Inventor: Masaki Koike
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Patent number: 8267834Abstract: A self-propelled vehicle for conveyance that can be safely stopped without deviating from a predetermined route when an obstacle is detected during running, and a method of controlling a stop of the self-propelled vehicle for conveyance are provided. The method of controlling the stop of the self-propelled vehicle for conveyance includes a second detection step in which an obstacle located at a set distance is detected during the running of the self-propelled vehicle for conveyance, and a stop step in which a leftward or rightward positional deviation of the self-propelled vehicle for conveyance from the predetermined route is correctively controlled in the state where brake means for a pair of left and right driving wheels are released and the self-propelled vehicle for conveyance is stopped, when the positional deviation turns out to be present on the basis of detection of the obstacle in the second detection step.Type: GrantFiled: October 31, 2008Date of Patent: September 18, 2012Assignee: Toyota Jidosha Kabushiki KaishaInventor: Hiroyoshi Baba
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Patent number: 8239122Abstract: A method is described for operating an engine of a vehicle, the engine having a combustion chamber. The method may include controlling a stability of the vehicle in response to a vehicle acceleration; and adjusting spark timing in the combustion chamber of the engine in response to a knock indication, and further adjusting spark timing in response to the vehicle acceleration to reduce surge.Type: GrantFiled: July 15, 2008Date of Patent: August 7, 2012Assignee: Ford Global Technologies, LLCInventors: Thomas G. Leone, Ralph Wayne Cunningham, Eric Tseng, Davor David Hrovat, Mrdjan J. Jankovic, Diana Yanakiev
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Patent number: 8239107Abstract: In order to achieve a comfortable starting process with low wear, a braking torque, set by the driver by way of a brake pedal, an acceleration torque, requested by the driver via the accelerator pedal, and a holding torque, required for holding a motor vehicle on a gradient, are determined, and the engagement of the starting clutch, as well as the release of the service brake, are coordinated such that during the release of the service brake, the sum of the clutch torque and braking torque corresponds to the holding torque, and the clutch torque of the starting clutch is increased by the acceleration torque only when the service brake has been largely released.Type: GrantFiled: March 5, 2008Date of Patent: August 7, 2012Assignee: ZF Friedrichshafen AGInventor: Roland Mair
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Patent number: 8170763Abstract: A method is provided for controlling a drive system and/or a wheel braking system of a vehicle, in which a total braking power to be exerted on the wheels of a motor vehicle is composed of a drive braking power and/or a wheel braking power. The instantaneously set drive braking power is frozen when, starting from a steady state operating mode, the gradient of the required total braking power exceeds a predetermined threshold.Type: GrantFiled: December 20, 2007Date of Patent: May 1, 2012Assignee: Bayerische Motoren Werke AktiengesellschaftInventors: Andreas Pfeiffer, Peter Wanner
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Patent number: 8162801Abstract: A control system includes an auto-stop module, an auto-start module, and a starter module. The auto-stop module stops an engine when a brake pedal position is greater than a threshold position and a transmission is in a drive gear. The auto-start module starts the engine when the brake pedal position is less than a minimum position and the engine stop is initiated. When the engine start is initiated and an engine speed is greater than zero, the starter module engages a pinion gear of a starter with a ring gear of an engine by reciprocally actuating the pinion gear N times between a retracted position and an extended position, wherein N is an integer greater than two.Type: GrantFiled: February 22, 2010Date of Patent: April 24, 2012Inventors: Sharon Liu, Henry A. Hainer, Michael Simon, Joshua D Cowgill, Douglas R. Verner