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公开(公告)号：EP3533645A1
公开(公告)日：2019-09-04
申请号：EP17864655.0
申请日：2017-10-30
Applicant: BYD Company Limited
Inventor： LIAN, Yubo , LING, Heping , ZHAI, Zhen , XU, Youbin , HUANG, Wei
Abstract: The present invention discloses a power transmission system and a vehicle having same. The power transmission system includes: a power source; a speed change unit; a first motor generator, where the first motor generator is power-coupled to the speed change unit; a speed change unit output portion, where the speed change unit output portion is constructed to be suitable for outputting power output through the speed change unit; a system power output portion; 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, and the speed change unit output portion is power-coupled to 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; and a power switching device, where the speed change unit is power-coupled to or power-decoupled from the speed change unit output portion through the power switching device. In this way, driving modes of the vehicle may be enriched, and the vehicle can adapt to different road conditions.
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公开(公告)号：EP4206012A1
公开(公告)日：2023-07-05
申请号：EP21874547.9
申请日：2021-09-29
Applicant: BYD Company Limited
Inventor： LING, Heping , ZHAI, Zhen , HU, Lei , XIONG, Yuchao
IPC: B60K1/00
Abstract: An integrated electric drive system and an electric vehicle are provided. The integrated electric drive system includes a motor (1), a speed reducer (2), a controller (3), and a single-piece enclosure (4). A first enclosure space (41) is formed on the single-piece enclosure (4), and a second enclosure space (42) and a third enclosure space (43) configured for the speed reducer (2) to be mounted are arranged on the single-piece enclosure (4). The motor controller (3) is connected with the motor (1). An output shaft (23) of the motor (1) is connected with the speed reducer (2). An absolute value of a difference between a preset mounting width value and a width value of the first enclosure space (41) is less than or equal to a first difference threshold. An absolute value of a difference between a length value of the first enclosure space (41) and a length value of the third enclosure space (43) is less than or equal to a second difference threshold.
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公开(公告)号：EP3868587A1
公开(公告)日：2021-08-25
申请号：EP19876934.1
申请日：2019-10-25
Applicant: BYD Company Limited
Inventor： LIAN, Yubo , LING, Heping , ZHAI, Zhen
Abstract: A hybrid power-driven system and a vehicle are provided. The hybrid power-driven system includes an engine, a transmission, and a motor power apparatus. The transmission includes a transmission mechanism and a main reducer. The motor power apparatus includes a motor and a power distribution mechanism. The power distribution mechanism includes a power distribution shaft, a mode selection apparatus, a first transmission apparatus, and a second transmission apparatus. The power distribution shaft is disposed independently from the transmission mechanism, and the power distribution shaft is disposed independently from the motor. A motor driven gear configured to receive power of the motor is disposed on the power distribution shaft.
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公开(公告)号：EP3533677A1
公开(公告)日：2019-09-04
申请号：EP17865799.5
申请日：2017-10-30
Applicant: BYD Company Limited
Inventor： LIAN, Yubo , LING, Heping , ZHAI, Zhen , XU, Youbin , HUANG, Wei
IPC: B60W20/00
Abstract: The present invention discloses a power transmission system and a vehicle having same. The 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. In this way, driving modes of the vehicle may be enriched, the vehicle can adapt to different road conditions, and driving experience of a driver may be improved.
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公开(公告)号：EP3521086A1
公开(公告)日：2019-08-07
申请号：EP17854576.0
申请日：2017-08-04
Applicant: BYD Company Limited
Inventor： LIAN, Yubo , LING, Heping , ZHAI, Zhen , WU, Fei , XU, Youbin
Abstract: The present disclosure discloses a power-driven system for a vehicle and a vehicle. The power-driven system comprises: an engine; a plurality of input shafts; a plurality of output shafts; 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 motor power shaft, a motor power shaft first gear linking with a gear-position driving gear in the same direction being freely sleeved on the motor power shaft, and the plurality of output shafts and the motor power shaft linking with a differential of the vehicle; a first motor generator, configured to link with the motor power shaft; 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.
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Patent Agency Ranking
公开(公告)号：EP3521083A1
公开(公告)日：2019-08-07
申请号：EP17854577.8
申请日：2017-08-04
Applicant: BYD Company Limited
Inventor： LIAN, Yubo , LING, Heping , ZHAI, Zhen , WU, Fei , XU, Youbin
Abstract: The present disclosure provides a power-driven system for a vehicle and a vehicle. The power-driven 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.
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公开(公告)号：EP3476635A1
公开(公告)日：2019-05-01
申请号：EP17818958.5
申请日：2017-05-11
Applicant: BYD Company Limited
Inventor： LIAN, Yubo , LING, Heping , ZHAI, Zhen , XU, Youbin
Abstract: The present disclosure discloses a power drive system and a vehicle, the power drive system including: an engine; a transmission having a transmission power output portion; a first electric generator, the engine and the first electric generator being connected through the transmission by means of power coupling; and a differential having a differential power input portion and two differential power output portions, the differential power input portion being linked with the transmission power output portion, each of the differential power output portions being connected with a wheel on the same side, and a power engagement device being provided between one of the differential power output portions and the wheel on the same side.
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公开(公告)号：EP3553343A1
公开(公告)日：2019-10-16
申请号：EP17886050.8
申请日：2017-12-15
Applicant: BYD Company Limited
Inventor： BEI, Ming , LING, Heping , ZHAI, Zhen , HUANG, Changan , LUO, Yongmeng
Abstract: The present invention discloses a drive shaft locking device, a power-driven system, and a vehicle. The drive shaft locking device comprises a planetary gear mechanism; a first drive shaft, a second drive shaft, and a power joint device, wherein the power joint device comprises a first joint part and a second joint part, planetary carriers, the first drive shaft and the first joint part synchronously rotate, the first joint part can move along the axial direction relative to the first drive shaft, and the second drive shaft, the second joint part and a sun gear synchronously rotate; a joint part drive device, wherein the joint part drive device comprises a drive needle and a drive part, the drive needle is configured to be capable of rotating around the central axis of the sun gear along with a gear ring and capable of moving along the axial direction relative to the gear ring, and the drive part is used for driving the drive needle to drive the first joint part to move towards the direction close to the second joint part along the axial direction, so that the first joint part is jointed with the second joint part. Thus, the drive shaft locking device can lock two drive shafts and can improve the capability of the vehicle to get rid of the trouble.
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公开(公告)号：EP3546797A1
公开(公告)日：2019-10-02
申请号：EP17887429.3
申请日：2017-12-15
Applicant: BYD Company Limited
Inventor： LING, Heping , ZHAI, Zhen , HUANG, Changan , LUO, Yongmeng
Abstract: The present invention discloses a drive shaft locking device, a power-driven system, and a vehicle. The drive shaft locking device comprises a planetary gear mechanism, wherein the planetary gear mechanism comprises a sun gear, a planetary gear, a planetary carrier, and a gear ring; a first drive shaft, a second drive shaft, and a power joint device, wherein the power joint device comprises a first joint part and a second joint part, the first drive shaft is connected with one of the sun gear, the planetary carrier and the gear ring, the second drive shaft is connected with another one of the sun gear, the planetary carrier and the gear ring, the first drive shaft and the first joint part synchronously rotate, and the second drive shaft and the second joint part synchronously rotate; and a joint part drive device which comprises a drive needle and a drive part, wherein the drive part is used for driving the drive needle to drive the second joint part to move towards the direction close to the first joint part along the axial direction, so that the second joint part is jointed with the first joint part. Therefore, the drive shaft locking device can lock two drive shafts and improve the capability of the vehicle to get rid of the trouble.
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公开(公告)号：EP3533646A1
公开(公告)日：2019-09-04
申请号：EP17864926.5
申请日：2017-10-30
Applicant: BYD Company Limited
Inventor： LIAN, Yubo , LING, Heping , ZHAI, Zhen , XU, Youbin , HUANG, Wei
Abstract: The present invention discloses a power transmission system for a vehicle and a vehicle having same. The 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. In the power transmission system of the present invention, a quantity of work modes of the power transmission system may be increased, and a quantity of gears of the power transmission system is increased, thereby improving the power performance and the passing-through capability.
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