Patents by Inventor Hongbin Luo

Hongbin Luo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10166853
    Abstract: A transmission unit includes: input shafts, each of the input shafts being provided with a shift driving gear thereon; output shafts, each of the output shafts being provided with a shift driven gear configured to mesh with a corresponding shift driving; a motor power shaft configured to rotate together with one of the output shafts; and an output unit configured to rotate with one of the output shafts at different speeds and configured to selectively engage with one of the output shafts so as to rotate together with one of the output shafts. A power transmission system including the transmission unit and a vehicle including the power transmission system are also provided.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: January 1, 2019
    Assignee: BYD Company Limited
    Inventors: Dongsheng Yang, Yubo Lian, Jintao Zhang, Hongbin Luo
  • Publication number: 20180312146
    Abstract: An active safety control system and method for a vehicle include: a plurality of motors arranged on a plurality of wheels; a plurality of brakes arranged on the plurality of wheels; a hydraulic braking device; a pedal detection device, used for detecting pedal signals of the vehicle; a motor state detection device, used for detecting the states of the plurality of motors; a plurality of wheel speed detection devices, arranged on the plurality of wheels, used for detecting speeds of the wheels and generating wheel speed detection signals; a power battery, connected with the plurality of motors respectively; and a control device, used for obtaining braking torques according to the pedal signals and the wheel speed detection signals, determining a corresponding braking mode according to the states of motors, and controlling the brakes, the motors and the hydraulic braking device according to the braking mode and the braking torques.
    Type: Application
    Filed: September 26, 2016
    Publication date: November 1, 2018
    Applicant: BYD COMPANY LIMITED
    Inventors: Yubo LIAN, Hongbin LUO, Jintao ZHANG, Dongsheng YANG
  • Publication number: 20180297585
    Abstract: The present disclosure discloses an electric vehicle and an active safety control system and method thereof. The system includes: a wheel speed detection module configured to detect a wheel speed to generate a wheel speed signal; a steering wheel rotation angle sensor and a yaw rate sensor module, configured to detect state information of the electric vehicle; a motor controller; and an active safety controller configured to receive the wheel speed signal and state information, obtain state information of a battery pack and state information of four motors, obtain a first side slip signal or a second side slip signal according to the wheel speed signal, the state information, the battery pack and the four motors, and according to the first side slip signal or the second side slip signal, control four hydraulic brakes of the electric vehicle and control the four motors by using the motor controller.
    Type: Application
    Filed: October 26, 2016
    Publication date: October 18, 2018
    Applicant: BYD COMPANY LIMITED
    Inventors: Yubo LIAN, Hongbin LUO, Jintao ZHANG, Dongsheng YANG
  • Patent number: 10081351
    Abstract: The present invention provides a method for controlling an engine unit in a vehicle. The vehicle includes an engine unit, a transmission unit adapted to selectively couple with the engine unit and also configured to transmit the power generated by the engine unit, a first motor generator coupled with the transmission unit, an output unit, a power switching device, a second motor generator configured to drive at least one of front and rear wheels, and a power battery that is respectively connected to the first motor generator and the second motor generator. The method includes: acquiring an operating mode of a vehicle and an operating parameter of the vehicle; and controlling an engine unit according to an operating parameter and an operating mode to start or stop.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: September 25, 2018
    Assignee: BYD COMPANY LIMITED
    Inventors: Dongsheng Yang, Yubo Lian, Jintao Zhang, Hongbin Luo
  • Patent number: 10065640
    Abstract: The present disclosure discloses a cruise control method for a vehicle. The vehicle includes an engine unit, a transmission unit, a first motor generator, an output unit, a power switching device, a second motor generator, and a power battery. The cruise control method includes the following steps: when a signal for a vehicle to enter cruise control is detected, determining whether the vehicle meets a preset cruise control condition; and if the vehicle meets the preset cruise control condition, controlling the vehicle according to a current operating mode of the vehicle to enter a corresponding cruise mode, where when the current operating mode of the vehicle is an EV mode, the vehicle is controlled to enter an EV cruise mode, and when the current operating mode of the vehicle is an HEV mode, the vehicle is controlled to enter an HEV cruise mode. The present disclosure further discloses a vehicle.
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: September 4, 2018
    Assignee: BYD COMPANY LIMITED
    Inventors: Dongsheng Yang, Yubo Lian, Jintao Zhang, Hongbin Luo
  • Patent number: 10000199
    Abstract: The present disclosure provides a drive control method, a drive control device of a hybrid electric vehicle and a hybrid electric vehicle. The drive control method includes: obtaining a current gear position of the hybrid electric vehicle, a current electric charge level of a power battery and a slope of a road on which the hybrid electric vehicle is driving; obtaining a current speed of the hybrid electric vehicle if the current gear position of the hybrid vehicle, the current electric charge level of the power battery, and the slope of the road on which the hybrid electric vehicle is driving meet a preset requirement; and causing the hybrid electric vehicle to enter a small load stop mode if the current speed is greater than or equal to a first speed threshold, and less than a second speed threshold.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: June 19, 2018
    Assignee: BYD COMPANY LIMITED
    Inventors: Yubo Lian, Dongsheng Yang, Jintao Zhang, Hongbin Luo
  • Patent number: 9944165
    Abstract: A power transmission system for a vehicle and a vehicle including the same are provided. The power transmission system includes an engine unit to generate power, input shafts to receive power from the engine unit, an output shaft to transfer the power from the input shafts, linked gears rotatable differentially relative to the output shaft to mesh with driving gears on the input shafts, an output unit coupled on the output shaft to transmit the power to the front wheels of the vehicle, a synchronizer disposed on the output shaft to selectively engage with the linked gears, a first motor generator to perform power transmission with at least one of the input shafts and the output shaft, one or more second motor generators to drive two front wheels of the vehicle, and one or more third motor generators to drive two rear wheels of the vehicle.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: April 17, 2018
    Assignee: BYD COMPANY LIMITED
    Inventors: Dongsheng Yang, Yubo Lian, Jintao Zhang, Hongbin Luo
  • Patent number: 9919699
    Abstract: A method for controlling a synchronizer of a vehicle is provided. The vehicle comprises an engine unit, a transmission unit configured to selectively couple with the engine unit and to couple with at least one of a plurality of wheels of the vehicle, a synchronizer configured to adjust a power transmission between the transmission unit and the wheels. The method comprises acquiring an operation mode and operation parameters of the vehicle and controlling the synchronizer to adjust the power transmission between the transmission unit and the wheels based on the operation parameters. A vehicle including a controller configured to control the synchronizer according to the method is also provided. The vehicle further includes a first motor generator configured to adjust a rotating speed of the synchronizer according to a speed of the vehicle, and a second motor generator configured to drive at least one of wheels of the vehicle.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: March 20, 2018
    Assignee: BYD COMPANY LIMITED
    Inventors: Dongsheng Yang, Yubo Lian, Jintao Zhang, Hongbin Luo
  • Patent number: 9889734
    Abstract: A power transmission system for a vehicle includes: an engine; input shafts, each of the input shafts being provided with a shift driving gear thereon; output shafts, each of the output shafts being provided with a shift driven gear configured to mesh with a corresponding shift driving gear; a generator gear fixed on one of the output shafts; a reverse output gear configured to rotate together with or to disengage from a shift driving gear; an output idler gear configured to engage with one of the output shafts so as to rotate together with the output shaft or disengage from the output shaft so as to rotate with the output shaft at different speeds; a motor power shaft configured to rotate together with the generator gear; and a first motor generator configured to rotate together with the motor power shaft. A vehicle including the power transmission system is also provided.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: February 13, 2018
    Assignee: BYD COMPANY LIMITED
    Inventors: Dongsheng Yang, Yubo Lian, Jintao Zhang, Hongbin Luo
  • Patent number: 9889733
    Abstract: A power transmission system for a vehicle includes: an engine; input shafts, at least one of which configured to selectively engage with the engine, each of the input shafts being provided with a shift driving gear thereon; output shafts, each of the output shafts being provided with a shift driven gear configured to mesh with a corresponding shift driving gear; a motor power shaft configured to rotate together with one of the output shafts; and a first motor generator configured to rotate together with the motor power shaft, wherein when the motor power shaft is rotated together with one of the output shafts, the first motor generator is configured to generate electric power utilizing at least parts of power generated by the engine while the vehicle in a running state or a parking state. A vehicle including the power transmission system is also provided.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: February 13, 2018
    Assignee: BYD COMPANY LIMITED
    Inventors: Dongsheng Yang, Yubo Lian, Jintao Zhang, Hongbin Luo
  • Patent number: 9874266
    Abstract: A power transmission system for a vehicle is provided. The system comprises an engine, a plurality of input shafts, at least one of the input shafts being configured to selectively engage with the engine, each of the input shafts being provided with a shift driving gear thereon, a plurality of output shafts, each of the output shafts being provided with a shift driven gear configured to mesh with a corresponding shift driving gear, a motor power shaft configured to rotate together with one of the input shafts, and a first motor generator configured to rotate together with the motor power shaft. When the motor power shaft rotates together with the one of the input shafts, the first motor generator uses at least a part of power output by the engine to generate electric power when the vehicle is parking or running. A vehicle including the power transmission system is also provided.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: January 23, 2018
    Assignee: BYD COMPANY LIMITED
    Inventors: Dongsheng Yang, Yubo Lian, Jintao Zhang, Hongbin Luo
  • Patent number: 9868435
    Abstract: The present disclosure provides a drive control method and a drive control device of a hybrid electric vehicle. The method includes: obtaining a current gear position of the vehicle, a current electric charge level of a power battery and a slope of a road on which the vehicle is driving; determining whether the vehicle is within a taxiing start-stop interval according to the current gear position, the current electric charge level, and the slope; if the vehicle is within the taxiing start-stop interval, obtaining a current speed of the vehicle; if the current speed is greater than or equal to a first speed threshold, and less than a second speed threshold, causing the vehicle to enter a small load stop mode; and if the current speed is greater than or equal to the second speed threshold, and less than a third speed threshold, causing the vehicle to enter a small load stall mode.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: January 16, 2018
    Assignee: BYD COMPANY LIMITED
    Inventors: Yubo Lian, Dongsheng Yang, Jintao Zhang, Hongbin Luo
  • Patent number: 9855943
    Abstract: The present disclosure provides a hybrid electric vehicle, a drive control method and a drive control device of a hybrid electric vehicle. The drive control method includes: obtaining a current gear position and a current operating mode of the hybrid electric vehicle, a current electric charge level of a power battery and a slope of a road on which the hybrid electric vehicle is driving; determining whether the hybrid electric vehicle is within a taxiing start-stop interval according to the current gear position of the hybrid electric vehicle, the current electric charge level of the power battery, and the slope of the road; if the hybrid electric vehicle is within the taxiing start-stop interval, obtaining a current speed of the hybrid electric vehicle; and causing the hybrid electric vehicle to enter a small load stop mode or a small load stall mode according to the current speed.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: January 2, 2018
    Assignee: BYD COMPANY LIMITED
    Inventors: Yubo Lian, Dongsheng Yang, Jintao Zhang, Hongbin Luo
  • Patent number: 9849873
    Abstract: The present disclosure discloses a vehicle and a coasting feedback control method for the same. The coasting feedback control method includes the following steps: detecting the current speed of a vehicle, the depth of a braking pedal of the vehicle, and the depth of an accelerator pedal; and when the current speed of the vehicle is greater than a preset speed, both the depth of the braking pedal and the depth of the accelerator pedal are 0, and the current gear of the vehicle is gear D, when the vehicle is not in a cruise control mode and an anti-lock braking system of the vehicle is in a non-working state, controlling the vehicle to enter a coasting feedback control mode, where when the vehicle is in the coasting feedback control mode, a coasting feedback torque of a first motor generator and a coasting feedback torque of a second motor generator are distributed according to a selected coasting feedback torque curve of the vehicle.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: December 26, 2017
    Assignee: BYD COMPANY LIMITED
    Inventors: Dongsheng Yang, Yubo Lian, Jintao Zhang, Hongbin Luo
  • Patent number: 9809215
    Abstract: The present disclosure provides a hybrid electric vehicle, a drive control method and a drive control device of a hybrid electric vehicle. The drive control method includes: obtaining a current gear position and a current operating mode of the hybrid electric vehicle, a current electric charge level of a power battery and a slope of a road where the hybrid electric vehicle is; determining whether the hybrid electric vehicle is within a taxiing start-stop interval according to the current gear position of the hybrid electric vehicle, the current electric charge level of the power battery, and the slope of the road; if the hybrid electric vehicle is within the taxiing start-stop interval, further obtaining a current speed of the hybrid electric vehicle; and causing the hybrid electric vehicle to enter a small load stop mode or a small load stall mode according to the current speed.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: November 7, 2017
    Assignee: BYD COMPANY LTD.
    Inventors: Yubo Lian, Dongsheng Yang, Jintao Zhang, Hongbin Luo
  • Publication number: 20170232848
    Abstract: The present disclosure discloses an electric vehicle, an active safety control system of an electric vehicle, and a control method of the active safety control system of an electric vehicle. The electric vehicle includes: multiple wheels, multiple motors, a wheel speed detection module, a steering wheel rotation angle sensor, a yaw rate sensor, and a battery pack. The active safety control system includes: an acquisition module, acquiring the wheel speed signal, the direction information, the yaw information, status information of the battery pack, and status information of the multiple motors; a status determining module, determining status of the electric vehicle; and a control module, generating a control instruction and delivering the control instruction to at least one motor.
    Type: Application
    Filed: December 16, 2015
    Publication date: August 17, 2017
    Applicant: BYD COMPANY LIMITED
    Inventors: Yubo LIAN, Hongbin LUO, Jintao ZHANG, Dongsheng YANG, Haijun LV
  • Patent number: 9568065
    Abstract: A transmission unit for a vehicle is provided. The transmission unit includes: a plurality of input shafts, each of the input shafts being provided with a shift driving gear thereon; a plurality of output shafts, each of the output shafts being provided with a shift driven gear configured to mesh with a corresponding shift driving gear; a motor power shaft; first and second motor gears fitted over the motor power shaft; a motor synchronizer disposed on the motor power shaft and between the first and second motor gears; in which the first motor gear is configured to rotate together with one of the input shafts; the second motor gear is configured to rotate together with one of the output shafts. A power transmission system including the transmission unit and a vehicle including the power transmission system are also provided.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: February 14, 2017
    Assignee: BYD COMPANY LIMITED
    Inventors: Dongsheng Yang, Yubo Lian, Jintao Zhang, Hongbin Luo
  • Patent number: 9568080
    Abstract: A power transmission system for a vehicle and a vehicle including the same are provided. The power transmission system includes: an engine unit configured to generate power; a transmission unit adapted to selectively couple with the engine unit, and configured to transmit the power generated by the engine unit; a first motor generator coupled with the transmission unit; an output unit configured to transmit the power output by the transmission unit to at least one of front and rear wheels of the vehicle; a power switching device adapted to enable or interrupt a power transmitting between the transmission unit and the output unit; and a second motor generator configured to drive the at least one of the front and rear wheels.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: February 14, 2017
    Assignee: BYD COMPANY LIMITED
    Inventors: Dongsheng Yang, Yubo Lian, Jintao Zhang, Hongbin Luo
  • Patent number: 9566978
    Abstract: A vehicle and a drive control method for the same are provided. The vehicle includes an engine unit, a transmission unit configured to selectively coupled with the engine unit, a first motor generator coupled with the transmission unit, an output unit configured to transmit a power transmitted by the transmission unit to at least one of front and rear wheels of the vehicle, a power switching device configured to adjust a power transmission between the transmission unit and the output unit, a second motor generator configured to drive the at least one of the front and rear wheels, and a power battery coupled with the first and second motor generators respectively. The drive control method includes: acquiring an operation parameter of the vehicle; and performing a drive control of the vehicle based on the operation parameter and an operation mode selected from operation modes of the vehicle.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: February 14, 2017
    Assignee: BYD COMPANY LIMITED
    Inventors: Dongsheng Yang, Yubo Lian, Jintao Zhang, Hongbin Luo
  • Patent number: 9568066
    Abstract: A power transmission system for a vehicle includes: an engine; a plurality of input shafts, wherein at least one of the input shafts is configured to selectively engage with the engine; a plurality of output shafts configured to mesh with a corresponding shift driving gear; a transmission gear provided on one of the output shafts; a motor power shaft; a first and a second motor gears fitted over the motor power shaft; a motor synchronizer; a reverse gear fitted over the motor power shaft; a middle idler configured to mesh with the shift driving gear provided on one of the input shafts; a reverse idler gear configured to mesh with the reverse gear and to selectively rotate together with the middle idler; and a first motor generator configured to operate correspondingly with the motor power shaft. A vehicle including the power transmission system is also provided.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: February 14, 2017
    Assignee: BYD COMPANY LIMITED
    Inventors: Dongsheng Yang, Yubo Lian, Jintao Zhang, Hongbin Luo