Zhejiang Geely Holding Group Co., Ltd

Ningbo Geely Royal Engine Components Co., Ltd.

Aurobay Technology Co.,ltd.

Wuxi Infimotion Technology Co., Ltd.

Ningbo Umd Automatic Transmission Co., Ltd

Geely Holding Group Co., Ltd.

Yiwu Geely Automatic Transmission Co., Ltd

Zhejiang Geely Power Assembly Co., Ltd.

Geely Changxing Automatic Transmission Co., Ltd

Ruiping Wang

Ingo Scholten

Yanjun Tan

Xiaozhe Lin

Jun Fu

Jun Yang

Zhiling Qiu

Daguo Luo

Yiqiang Liu

Junqi Liu

Yige Xiao

Chen Yang

Shubo Li

Weishan Huang

Junchao Jing

Jie Chen

Liang Fang

Tejinder Singh

Lin Zhu

Conghui An

Chuang Yu

Zhen Wang

Yin Wang

Pengpeng Li

Choonghyeo Kim

Jianbin Sun

Xin Zhao

Shengchuan Zhang

Xuebo Xiong

Tao Han

Haisheng Yu

Zhanglu Xu

Chaoyang Zou

Shiquan Gou

Botao Zuo

Xuemei Yu

Lingling Fu

Wenjiang Zhao

Lijun Wang

Guikang Yang

Yiming Hui

Xudong Sun

Guang Ban

Rongchun Ma

Xiaochun Zhu

Heng Zhang

Fangke Li

Yan Sun

Xu Zhang

Yu Su

Kaiwen Wang

Erpeng Wang

Hong Wei

Lifeng Xu

Yuan Shen

Miao Zhang

Jinqiang Ma

Disclosed are a parallel start control method and system for a hybrid electric vehicle, and a hybrid electric vehicle. The parallel start control method includes: acquiring current working conditions of a clutch and a gearbox of the hybrid electric vehicle, an engine request torque of the hybrid electric vehicle and a start mode of the hybrid electric vehicle; judging whether the hybrid electric vehicle meets an over-heat protection condition according to the current working conditions of the clutch and the gearbox, and determining a start basic torque according to a judging result and the engine request torque; determining a start clutch request torque based on the start basic torque according to the start mode of the hybrid electric vehicle; and conducting start control on the clutch according to the start clutch request torque. The start security, responsiveness and power performance of the hybrid electric vehicle are improved.

Parallel start control method and system for hybrid electric vehicle, and hybrid electric vehicle

A stator-and-rotor structure and an axial magnetic field motor are provided. The stator-and-rotor structure is a dual-stator and dual-rotor structure. Permanent magnets of the outer rotor is fixed on a rotor yoke portion, the inner rotor has no rotor yoke portion, permanent magnets of the inner rotor is fixed on a rotor support, the inner stator core has no stator yoke portion, and the outer stator core has a stator yoke portion.

Stator-and-rotor structure and axial magnetic field motor

A stator core, a motor, a power assembly, an automobile and a vehicle are provided. The motor includes: a casing; a stator core fixed in the casing, and a slit flow channel is formed between an outer side wall of the stator core and an inner side wall of the casing, and the slit flow channel is provided as a network-shaped cooling flow channel for cooling fluid to flow; a stator winding mounted on the stator core; and a rotor rotatably sleeved on an inner side of the stator core. A flow path of the cooling fluid in the network-shaped cooling channel is also network-shaped, and a flow form of the cooling fluid in the network-shaped path is turbulent.

Stator core, motor, power assembly, automobile and vehicle

Provided are a hydraulic control valve, a hydraulic control system, and a transmission. The hydraulic control valve includes a valve body, a slidable valve cartridge, and a pressing mechanism. A valve hole, a first oil supply port, a second oil supply port, and an oil discharge port are formed at the valve body, and each of the first oil supply port, the second oil supply port, and the oil discharge port is in communication with the valve hole. Both the slidable valve cartridge and the pressing mechanism are accommodated within the valve hole. The slidable valve cartridge has a small end close to an end of the valve hole and a large end abutting against the pressing mechanism. The pressing mechanism is disposed at another end of the valve hole.

Hydraulic control valve, hydraulic control system, and transmission

A method and a device for controlling an engine to shut down, and an electronic device and a storage medium are provided. The method includes: obtaining current state information and operating parameter information of an engine, the current state information comprising a starting state, and the operating parameter information comprising rotating speed information, starting duration information, cooling liquid temperature information and torque information of the engine; and if the current state information is the starting state, and the rotating speed information, the starting duration information, the cooling liquid temperature information, and the torque information satisfy a first preset shutdown condition corresponding to the starting state, controlling the engine to be in a shutdown state.

Method and device for controlling engine to shut down, and electronic device and storage medium

Disclosed are a dual-motor multi-gear hybrid transmission system and a vehicle. The dual-motor multi-gear hybrid transmission system includes an engine, a first motor, a second motor, a first clutch, a second clutch, a first planet row, a second planet row, a first input shaft, a second input shaft, a third input shaft and a brake assembly. The first input shaft is connected to the engine through the first clutch. The second input shaft is connected to the engine through the second clutch, and the second input shaft is sleeved outside the first input shaft. The first motor is connected to the engine. The second motor is connected to the first planet row through the third input shaft. The brake assembly is configured to brake the first planet row and/or the second planet row.

Dual-motor multi-gear hybrid transmission system and vehicle

Provided is an axially-limited guide device applied in a parking mechanism. The parking mechanism includes a parking pawl and a parking shift fork that is axially movable. The guide device includes a parking bracket assembly and a guide block. The guide block is configured to be slidably engaged with an execution member at an end of the parking shift fork to allow for a relative rotation of the parking pawl and a rotary shaft. The parking bracket assembly is configured to axially limit the parking pawl and guide the parking shift fork. The parking bracket assembly includes a limiting portion abutting against the guide block. The limiting portion is configured to limit an axial movement of the guide block when the execution member at the end of the parking shift fork is axially disengaged from the guide block. Also provided are a parking mechanism and an automobile.

Axially-limited guide device, parking mechanism, and automobile

A salient pole type hybrid excitation motor, belonging to the field of motors, and including a rotor assembly, where the rotor assembly includes: an electromagnetic rotor with radial salient poles and constructed in an annular shape and sleeving a magnetic yoke; a permanent magnet rotor installed on one side of the electromagnetic rotor; and axial salient pole blocks installed on one side of the permanent magnet rotor away from the electromagnetic rotor and arranged alternately with the radial salient poles, a plurality of axial salient pole blocks being matched with a plurality of radial salient poles of the electromagnetic rotor, and a polarity of the permanent magnet steels corresponding to the axial salient pole blocks being opposite to that of permanent magnet steels corresponding to the radial salient poles of the electromagnetic rotor. The present invention combines electric excitation and permanent magnet excitation to adjust an air gap magnetic field of a motor.

Salient pole type hybrid excitation motor

This application provides a vehicle DC voltage conversion circuit, including a high voltage battery connected in sequence, a primary-side-bridge module, a resonant module, a transformer module and a secondary-side-output module, wherein the secondary-side-output module includes a first voltage unit outputting a first voltage and a second voltage unit outputting a second voltage. The secondary side winding of the transformer is connected with the first voltage unit and the second voltage unit; The circuit also includes a driver module connected with the original side bridge module. The vehicle DC voltage conversion circuit provided in this application can not only output the first voltage, but also output the second voltage at the same time. It has the advantages of small size, high efficiency, low cost and industrialization, and can be widely used in the vehicle 48V electrical load, such as 48V vehicle electric heating system, 48V vehicle cooling fan, and so on.

Vehicle DC voltage conversion circuit

The invention provides a three-way catalytic converter preheating control method and system, a vehicle and a storage medium. The includes when the temperature of an exhaust pipe of the hybrid electric vehicle is lower than a first temperature threshold value, sending a first work instruction; the high-low pressure conversion module outputting a first working voltage according to the first working instruction so as to start preheating of a catalyst in a three-way catalytic converter; when working data of the hybrid electric vehicle meets the switching condition, sending a second working instruction to make the high-low voltage conversion module outputs a second working voltage and stops outputting the first working voltage so as to stop the electric heating. According to the invention, two working modes can be provided, and the power battery can be used for electrically heating the catalyst in advance through the high-low pressure conversion module.

Three-way catalytic converter preheating control method and system, vehicle and storage medium

A clutch control method, including: determining whether a current vehicle state satisfies a condition for a clutch to enter a sliding friction state; if so, controlling the clutch to enter the sliding friction state, and determining a target sliding friction rotating speed of the clutch; determining whether the current vehicle state satisfies a condition for entering a clutch torque deviation collecting state; if so, collecting a torque deviation once and storing the torque deviation; at an end of an adjustment period, accumulating all torque deviations collected previously and taking an average value according to an accumulation number of times, so as to obtain an average torque deviation; if the average torque deviation exceeds a preset deviation threshold, recording the average torque deviation; and if the current vehicle state satisfies a condition for entering a deviation applying state, adjusting a current clutch friction coefficient according to the recorded average torque deviation.

Clutch control method and apparatus, storage medium, and program product

The present invention provides a power system for a hybrid vehicle, relating to the field of hybrid vehicles. The power system for a hybrid vehicle adopts a first planetary gear mechanism with two sun gears, the first sun gear rotates with an input shaft, the second sun gear and the input shaft are independent of each other, and the second sun gear achieves different motion states through a second brake or/and a second clutch, and cooperates with a first brake to provide different transmission ratios of four to six gears when an engine and motors are in driving, so that the power system is simple in structure and low in cost, and the fuel economy and acceleration dynamic performance of the power system are improved.

Power system for hybrid vehicles

A hybrid transmission and a vehicle having the hybrid transmission. An engine, a generator, and a motor are coaxially arranged; a first planetary gear set is separately connected to a crankshaft of the engine and a rotor of the generator; a clutch comprises a first driving end connected to a planet carrier of the first planetary gear set and a second driving end connected to a ring gear of a second planetary gear set, wherein the first driving end and the second driving end are involved in engagement and disengagement; a rotor of the motor is connected to a sun gear axle of the second planetary gear set. When the motor performs driving, the clutch is disengaged from the engine and the generator to avoid a drag resistance of the engine.

Hybrid transmission and hybrid electric vehicle

Growing community of inventors

Zhejiang, China

Ruiping Wang