Patents by Inventor YOUBIN XU

YOUBIN XU 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: 11299041
    Abstract: A power-drive system for a vehicle and a vehicle.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: April 12, 2022
    Assignee: BYD Company Limited
    Inventors: Yubo Lian, Heping Ling, Zhen Zhai, Fei Wu, Youbin Xu
  • Patent number: 11273699
    Abstract: The present disclosure provides a power-drive system for a vehicle and a vehicle. The power-drive system comprises: an engine; a plurality of input shafts; a plurality of output shafts, the plurality of output shafts linking with a differential of the vehicle; a first clutch device, arranged between the engine and the plurality of input shafts, so that the engine selectively engages with at least one of the plurality of input shafts; a first motor generator, configured to link with the differential of the vehicle; and a second motor generator, wherein the second motor generator and the engine are located on an input side of the first clutch device, the plurality of input shafts is located on an output side of the first clutch device, and the second motor generator is configured to carry out stationary power generation using at least part of power of the engine when the vehicle is parked.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: March 15, 2022
    Assignee: BYD Company Limited
    Inventors: Yubo Lian, Heping Ling, Zhen Zhai, Fei Wu, Youbin Xu
  • Patent number: 11015690
    Abstract: The present specification discloses a differential mechanism and a vehicle. The differential mechanism includes a shell. A left half axle gear, a right half axle gear, a planet wheel and a planet wheel axle are disposed in the shell. The planet wheel is rotatably mounted on the planet wheel axle and meshes with the left half axle gear and the right half axle gear. A power engagement device includes a first engagement portion and a second engagement portion. The first engagement portion is connected with the left half axle gear or the right half axle gear, and the second engagement portion rotates synchronously with and moves axially relative to the shell. An engagement portion drive device includes a drive pin and a drive portion. The drive portion is configured to drive the drive pin to drive the second engagement portion close to the first engagement portion along an axial direction.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: May 25, 2021
    Assignee: BYD COMPANY LIMITED
    Inventors: Heping Ling, Zhen Zhai, Youbin Xu, Changan Huang
  • Patent number: 10974583
    Abstract: A power transmission system includes: a power source; a first motor generator unit; a system power output portion; a first and a second mode conversion devices. The power source and the first motor generator unit is connected to or disconnected from the system power output portion through the first mode conversion device. The power source can be connected to or disconnected from the first mode conversion device through the second mode conversion device. The second mode conversion device includes a conversion device input shaft, a first conversion device intermediate shaft and a conversion device output shaft, and the conversion device output shaft is connected to the first motor generator unit; and power from the power source is suitable for being decelerated sequentially through the conversion device input shaft, the first conversion device intermediate shaft and the conversion device output shaft and then output to the first mode conversion device.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: April 13, 2021
    Assignee: BYD COMPANY LIMITED
    Inventors: Wei Huang, Youbin Xu, Zhen Zhai, Heping Ling
  • Patent number: 10974591
    Abstract: The power transmission system includes: a power source; a first motor generator unit; a system power output portion; and a mode conversion device, where the mode conversion device includes: an input portion, a first conversion portion, a second conversion portion and an output portion, the output portion is connected to an input end of the system power output portion, the input portion is suitable for outputting power from at least one of the power source and the first motor generator unit, the input portion is selectively connected to one of the first conversion portion and the second conversion portion, and each of the first conversion portion and the second conversion portion cooperates with the output portion to perform transmission; and the input portion is connected to the second conversion portion, so that a rotational speed output by the input portion is reduced and then output to the input end of the system power output portion.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: April 13, 2021
    Assignee: BYD COMPANY LIMITED
    Inventors: Heping Ling, Zhen Zhai, Wei Huang, Youbin Xu
  • Patent number: 10967729
    Abstract: A power transmission system includes: a power source; a speed change unit, where the speed change unit is selectively power-coupled to the power source; a first motor generator unit; a system power output portion; and a mode conversion device, where the mode conversion device includes: a conversion device input portion and a conversion device output portion, the conversion device input portion outputs power from at least one of the power source and the first motor generator unit, the conversion device output portion is connected to an input end of the system power output portion, and the conversion device input portion is selectively power-coupled to the conversion device output portion; and when the conversion device input portion is power-coupled to the conversion device output portion, the rotational speed of the conversion device input portion is greater than or equal to the rotational speed of the conversion device output portion.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: April 6, 2021
    Assignee: BYD COMPANY LIMITED
    Inventors: Yubo Lian, Heping Ling, Zhen Zhai, Youbin Xu, Wei Huang
  • Patent number: 10967727
    Abstract: A power transmission system includes: a power source; a speed change unit, where the speed change unit is suitable for being selectively power-coupled to the power source; a first motor generator unit; a system power output portion; a first mode conversion device, where at least one of the speed change unit and the first motor generator unit is power-coupled to or power-decoupled from the system power output portion through the first mode conversion device; and a second mode conversion device, where the speed change unit can be power-coupled to or power-decoupled from the first mode conversion device through the second mode conversion device, and the speed change unit can be power-coupled to the first mode conversion device through the second mode conversion device, so that power from the power source is decelerated sequentially through the speed change unit and the second mode conversion device and then output to the first mode conversion device.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: April 6, 2021
    Assignee: BYD COMPANY LIMITED
    Inventors: Yubo Lian, Heping Ling, Zhen Zhai, Youbin Xu, Wei Huang
  • Patent number: 10899219
    Abstract: The present disclosure discloses a power drive system and a vehicle, the power drive system including: an engine; a plurality of input shafts, the engine being configured to be selectively engaged with at least one of the plurality of input shafts each provided with a gear driving gear; a plurality of output shafts each provided with a gear driven gear, a plurality of gear driven gears being meshed with a plurality of gear driving gears respectively; a reverse shaft provided with a first gear for the reverse shaft, the first gear for the reverse shaft being meshed with one of the gear driving gears; a reverse output gear linked with the reverse shaft; and a first electric generator, the first electric generator and the plurality of output shafts linked with a differential power input gear of the vehicle respectively.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: January 26, 2021
    Inventors: Yubo Lian, Heping Ling, Zhen Zhai, Youbin Xu
  • Patent number: 10850599
    Abstract: The present disclosure provides a power-drive system for a vehicle and a vehicle. The power-drive system comprises: an engine; a plurality of input shafts, the engine being configured to selectively engage with at least one of the plurality of input shafts; a plurality of output shafts; a first motor power shaft, a motor power shaft first gear being arranged on the first motor power shaft, the motor power shaft first gear and the plurality of output shafts linking with a differential of the vehicle respectively; a second motor power shaft, a motor power shaft second gear linking with one gear-position driven gear being arranged on the second motor power shaft; a transfer gear, configured to selectively engage with the motor power shaft first gear to link with the motor power shaft first gear, and selectively engage with the motor power shaft second gear to link with the motor power shaft second gear; and a first motor generator, configured to link with the transfer gear.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: December 1, 2020
    Assignee: BYD COMPANY LIMITED
    Inventors: Yubo Lian, Heping Ling, Zhen Zhai, Fei Wu, Youbin Xu
  • Patent number: 10800248
    Abstract: A transmission unit includes: input shafts; output shafts; an output unit fitted over one of the output shafts; output gears fixed on other output shafts; a generator gear fixed on one of the output shafts; an output unit synchronizer disposed on one of the output shafts and at least configured to engage with the output unit; a motor power shaft gear fixed on a motor power shaft and configured to rotate together with the generator gear. A power transmission system including the transmission unit and a vehicle including the power transmission system are also provided.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: October 13, 2020
    Assignee: BYD COMPANY LIMITED
    Inventors: Ou Ruan, Zhen Zhai, Fei Wu, Youbin Xu
  • Patent number: 10781890
    Abstract: The present disclosure discloses a power-driven system and a vehicle. The power-driven system includes: a power coupling device, where the power coupling device includes a first sun gear, a first planet carrier, a first ring gear, a second sun gear, a second planet carrier, a second ring gear, and a power transmission part; a power source; a first motor generator and a second motor generator; and a first braking device directly or indirectly braking the power transmission part. The power transmission part is coaxially linked to the first sun gear and the second sun gear. The power source is configured to selectively connect to the power transmission part. The first motor generator is linked to the first ring gear, and the second motor generator is linked to the second ring gear.
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: September 22, 2020
    Assignee: BYD COMPANY LIMITED
    Inventors: Yubo Lian, Heping Ling, Zhen Zhai, Youbin Xu, Feng Zheng
  • Patent number: 10760662
    Abstract: A power-driven system includes: a differential; a power output shaft configured to link to a power input end of the differential; multiple input shafts; and a first motor generator. The differential includes a first planet carrier, a second planet carrier, a first planet gear, a second planet gear, a first ring gear, and a second ring gear. The first planet gear and the second planet gear are respectively disposed on the first planet carrier and the second planet carrier and respectively meshed with the first ring gear and the second ring gear. One input shaft of the multiple input shafts is configured to selectively link to the power output shaft, and another input shaft of the multiple input shafts is configured to link to the power output shaft. The first motor generator is configured to link to the one input shaft of the multiple input shafts.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: September 1, 2020
    Assignee: BYD COMPANY LIMITED
    Inventors: Yubo Lian, Heping Ling, Zhen Zhai, Feng Zheng, Youbin Xu
  • Publication number: 20200124154
    Abstract: The present specification discloses a differential mechanism and a vehicle. The differential mechanism includes a shell. A left half axle gear, a right half axle gear, a planet wheel and a planet wheel axle are disposed in the shell. The planet wheel is rotatably mounted on the planet wheel axle and meshes with the left half axle gear and the right half axle gear. A power engagement device includes a first engagement portion and a second engagement portion. The first engagement portion is connected with the left half axle gear or the right half axle gear, and the second engagement portion rotates synchronously with and moves axially relative to the shell. An engagement portion drive device includes a drive pin and a drive portion. The drive portion is configured to drive the drive pin to drive the second engagement portion close to the first engagement portion along an axial direction.
    Type: Application
    Filed: December 15, 2017
    Publication date: April 23, 2020
    Applicant: BYD COMPANY LIMITED
    Inventors: Heping LING, Zhen ZHAI, Youbin XU, Changan HUANG
  • Publication number: 20200023733
    Abstract: The present disclosure discloses a power-drive system for a vehicle and a vehicle.
    Type: Application
    Filed: August 4, 2017
    Publication date: January 23, 2020
    Applicant: BYD Company Limited
    Inventors: Yubo LIAN, Heping LING, Zhen ZHAI, Fei WU, Youbin XU
  • Publication number: 20200016970
    Abstract: The present disclosure provides a power-drive system for a vehicle and a vehicle. The power-drive system comprises: an engine; a plurality of input shafts; a plurality of output shafts, the plurality of output shafts linking with a differential of the vehicle; a first clutch device, arranged between the engine and the plurality of input shafts, so that the engine selectively engages with at least one of the plurality of input shafts; a first motor generator, configured to link with the differential of the vehicle; and a second motor generator, wherein the second motor generator and the engine are located on an input side of the first clutch device, the plurality of input shafts is located on an output side of the first clutch device, and the second motor generator is configured to carry out stationary power generation using at least part of power of the engine when the vehicle is parked.
    Type: Application
    Filed: August 3, 2017
    Publication date: January 16, 2020
    Applicant: BYD Company Limited
    Inventors: Yubo LIAN, Heping LING, Zhen ZHAI, Fei WU, Youbin XU
  • Publication number: 20190322165
    Abstract: The present disclosure discloses a power drive system and a vehicle, the power drive system including: an engine; a plurality of input shafts, the engine being configured to be selectively engaged with at least one of the plurality of input shafts each provided with a gear driving gear; a plurality of output shafts each provided with a gear driven gear, a plurality of gear driven gears being meshed with a plurality of gear driving gears respectively; a reverse shaft provided with a first gear for the reverse shaft, the first gear for the reverse shaft being meshed with one of the gear driving gears; a reverse output gear linked with the reverse shaft; and a first electric generator, the first electric generator and the plurality of output shafts linked with a differential power input gear of the vehicle respectively.
    Type: Application
    Filed: May 11, 2017
    Publication date: October 24, 2019
    Inventors: Yubo LIAN, Heping LING, Zhen ZHAI, Youbin XU
  • Publication number: 20190308495
    Abstract: The present disclosure provides a power-drive system for a vehicle and a vehicle. The power-drive system comprises: an engine; a plurality of input shafts, the engine being configured to selectively engage with at least one of the plurality of input shafts; a plurality of output shafts; a first motor power shaft, a motor power shaft first gear being arranged on the first motor power shaft, the motor power shaft first gear and the plurality of output shafts linking with a differential of the vehicle respectively; a second motor power shaft, a motor power shaft second gear linking with one gear-position driven gear being arranged on the second motor power shaft; a transfer gear, configured to selectively engage with the motor power shaft first gear to link with the motor power shaft first gear, and selectively engage with the motor power shaft second gear to link with the motor power shaft second gear; and a first motor generator, configured to link with the transfer gear.
    Type: Application
    Filed: August 4, 2017
    Publication date: October 10, 2019
    Inventors: Yubo LIAN, Heping LING, Zhen ZHAI, Fei WU, Youbin XU
  • Publication number: 20190308497
    Abstract: The present invention discloses a power transmission system and a vehicle having same.
    Type: Application
    Filed: October 30, 2017
    Publication date: October 10, 2019
    Applicant: BYD COMPANY LIMITED
    Inventors: Yubo LIAN, Heping LING, Zhen ZHAI, Youbin XU, Wei HUANG
  • Publication number: 20190299992
    Abstract: A power transmission system for a vehicle includes: a power source; a first motor generator unit; a speed change unit, where the speed change unit is suitable for being selectively power-coupled to the power source, the speed change unit includes a speed change unit output portion, and the speed change unit output portion is suitable for outputting power from at least one of the power source and the first motor generator unit; a system power output portion; and a mode conversion device, where the speed change unit output portion is power-coupled to or power-decoupled from the system power output portion through the mode conversion device, so that the mode conversion device is suitable for decelerating the power received from the speed change unit output portion and then outputting the decelerated power to the system power output portion.
    Type: Application
    Filed: October 30, 2017
    Publication date: October 3, 2019
    Applicant: BYD COMPANY LIMITED
    Inventors: Yubo LIAN, Heping LING, Zhen ZHAI, Youbin XU, Wei HUANG
  • Publication number: 20190299767
    Abstract: A power transmission system includes: a power source; a speed change unit, where the speed change unit is suitable for being selectively power-coupled to the power source; a first motor generator unit; a system power output portion; a first mode conversion device, where at least one of the speed change unit and the first motor generator unit is power-coupled to or power-decoupled from the system power output portion through the first mode conversion device; and a second mode conversion device, where the speed change unit can be power-coupled to or power-decoupled from the first mode conversion device through the second mode conversion device, and the speed change unit can be power-coupled to the first mode conversion device through the second mode conversion device, so that power from the power source is decelerated sequentially through the speed change unit and the second mode conversion device and then output to the first mode conversion device.
    Type: Application
    Filed: October 30, 2017
    Publication date: October 3, 2019
    Applicant: BYD COMPANY LIMITED
    Inventors: Yubo LIAN, Heping LING, Zhen ZHAI, Youbin XU, Wei HUANG