Patents Assigned to SAIC MOTOR CORPORATION LIMITED
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Publication number: 20240123838Abstract: A battery module includes: a plurality of cells; and a cell restraining structure having an internal frame and an external shell fit with the internal frame to form a plurality of chambers for receiving the plurality of cells respectively so as to package and manage the cells. The internal frame includes an elastic element forming at least one first surface of each chamber, the elastic element being elastically deformed as being pressed by a predetermined amount by a corresponding cell received in each chamber such that the elastically deformed elastic element exerts a first force to the corresponding cell. The elastically deformed elastic element is further pressed or tends to recover in responding to reversible expansion or contraction of the corresponding cell in operation such that a restraining force to the corresponding cell is determined by the first force.Type: ApplicationFiled: November 17, 2020Publication date: April 18, 2024Applicant: SAIC MOTOR CORPORATION LIMITEDInventors: Kewei LU, Dingxian ZHOU, Zhao LI, Dong XU, Pengfei ZHAO
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Patent number: 11677591Abstract: A bidirectional isolated communication circuit and method for a differential signal. The circuit comprises a first detection circuit used for receiving a first differential pair from a first direction, converting the first differential pair into a first level signal, and inhibiting common-mode interference; a second detection circuit used for receiving a second differential pair from a second direction, converting the second differential pair into a second level signal, and inhibiting common-mode interference; an isolation adjustment circuit used for being provided between the first detection circuit and the second detection circuit and performing communication isolation; and a watchdog circuit used for being awoken according to the first differential pair and/or the second differential pair, and enabling the bidirectional isolated communication circuit to enter from a small current working mode to a normal working mode to perform communication isolation.Type: GrantFiled: May 12, 2020Date of Patent: June 13, 2023Assignee: SAIC MOTOR CORPORATION LIMITEDInventors: Kewei Lu, Ji Li, Wendi Chen, Meiai Lin, Yang Li
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Patent number: 11364788Abstract: A gear box of a hybrid power vehicle includes a first gear box part and a second gear box part. The first gear box part includes one input shaft and two intermediate shafts, and the input shaft is configured to be connected to an internal combustion engine, a first driving toothed gear and a second driving toothed gear are provided on the input shaft, a first driven toothed gear and a second driven toothed gear are provided on a first intermediate shaft, a third driven toothed gear and a fourth driven toothed gear are provided on a second intermediate shaft; and the second gear box part includes a third intermediate shaft provided with a driving toothed gear of a first gear of the electric motor and the first or second intermediate shaft provided with a driven toothed gear of the first gear of the electric motor.Type: GrantFiled: June 11, 2019Date of Patent: June 21, 2022Assignee: SAIC MOTOR CORPORATION LIMITEDInventors: Hailong Ge, Jun Zhu, Jian Wang, Bin Xu, Yuchuan Fan, Xinyu Liu, Deyan Jiang, Jian Zhou, Jun Sun, Zhengmin Gu
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Patent number: 11067010Abstract: A method and a device for determining combustion noise parameters, comprising acquiring a cylinder pressure sequence which comprises cylinder pressures corresponding to different crank angles ? and corresponding moments t?; calculating a first parameter sequence according to the cylinder pressure sequence, wherein the first parameter sequence is a parameter sequence in a time domain, and the first parameter sequence comprises one or more of a top surface cylinder force sequence, a top surface cylinder force rise rate sequence, a side surface cylinder force sequence and a side surface cylinder force rise rate sequence; and determining a target parameter for representing combustion noise in the cylinder according to the first parameter sequence.Type: GrantFiled: May 14, 2020Date of Patent: July 20, 2021Assignee: SAIC MOTOR CORPORATION LIMITEDInventors: Jingxian Hao, Weiping Yuan, Endong Song, Xiangtai Song, Kai Yang, Huaihan Ye, Chungen Luo, Lifeng Zhang, Haidong Xin, Aihua Hu, Liangliang Qiao, Ming Sun
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Patent number: 10144309Abstract: A dual motor power system for a pure electric vehicle and a control method thereof are disclosed, wherein within a range defined between upper and lower torque thresholds for the operations of one of the two motors under current vehicle speed, the torque of this motor is changed stepwise with a certain torque step; the required torque of the other motor is determined based on the torque distribution relation of the first and second motors; and the synchronized efficiency of the power system is determined based on the torques of the first and second motors so that the optimal synchronized efficiency of the power system is ergodically searched out, and the optimal working points of the two motors and the corresponding gear of the second motor are determined then.Type: GrantFiled: November 20, 2015Date of Patent: December 4, 2018Assignee: SAIC Motor Corporation LimitedInventors: Hongxiang Leng, Wen Li, Jun Sun, Xinhua Jiang, Feifei Zhang, Sidong Luo, Hailong Ge
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Patent number: 9789754Abstract: A dual-motor power system or a dual-motor hybrid power system for a vehicle comprises a first motor, a second motor, an intermediate shaft, a first gear set disposed between a first driving shaft, and an intermediate shaft. The first driving shaft couples with the intermediate shaft via the first gear set, a second gear set disposed between the second driving shaft and the intermediate shaft, and a single synchronizer disposed around the second driving shaft. The synchronizer can be switched between a neutral position, a first-speed-ratio position, and a second-speed-ratio position. In the neutral position, the second driving shaft is decoupled from the first and second gear sets. In the first-speed-ratio position, the synchronizer couples the second driving shaft with the intermediate shaft via the first gear set. In the second-speed-ratio position, the synchronizer couples the second driving shaft with the intermediate shaft via the second gear set.Type: GrantFiled: August 27, 2015Date of Patent: October 17, 2017Assignee: SAIC Motor Corporation LimitedInventors: Jun Zhu, Hailong Ge, Sidong Luo, Rui Li, Xu Chai, Bin Xu, Zhenxing Fu, Hongxiang Leng, Jian Wang, Jun Sun
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Patent number: 9744841Abstract: A hybrid-power driving system (HPDS) (100, 200) includes an engine, a motor, and a transmission. The HPDS may include a single clutch and the transmission can provide at least five forward speed ratios and can provide for at least one reverse speed ratio. The transmission can include three synchronizers and multiple gearwheels that are used in multiple speed ratios. In addition to a pure engine driving mode and a pure motor driving mode, the HPDS can operate using a hybrid-power driving mode (HDM). In the HDM, the HPDS can provide for shifting of gears without power interruption to the output shaft or half-axles and wheels of a vehicle. In the HDM, the continuous power being output can be achieved by keeping a synchronizer engaged with a gearwheel for two consecutive speed ratios.Type: GrantFiled: June 26, 2015Date of Patent: August 29, 2017Assignee: SAIC Motor Corporation LimitedInventors: Jun Zhu, Jian Wang, Hailong Ge, Zhenxing Fu, Sidong Luo, Min Liu
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Patent number: 9637115Abstract: A transmission control system for a hybrid-power driving system includes at least a gear shifting actuation module to control engagement of specific gearwheels and a clutch actuation module to control a clutch that couples an engine to the transmission. Gear shifts are required for each of the engine and the electric motor in the hybrid-power driving system. The control system minimizes power loss when a gear shift is occurring for the engine or the electric motor. By selectively controlling the clutch and engagement of specific gearwheels, power loss associated with a gear shift for one of these power sources can be directly offset by using the other power source.Type: GrantFiled: June 26, 2015Date of Patent: May 2, 2017Assignee: SAIC Motor Corporation LimitedInventors: Jun Zhu, Hongxiang Leng, Chengjie Ma, Jun Sun, Jian Wang, Zhengmin Gu
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Patent number: 9623872Abstract: A controlling apparatus and method for an electric drive transmission used in a dual-motor electric vehicle are disclosed, wherein when the second motor is in the zero torque state, the synchronizer is shifted to a neutral position, the second motor the required torque being kept to be zero; after shifted to the neutral position, if the target gear position is the neutral position, gearshifting is completed, an if the target gear position is not the neutral position, speed control to the second motor is conducted to adjust its speed towards a target speed; once the second motor is adjusted to the target speed, the second motor is subjected to zero torque control, the second motor the required torque being zero; once the second motor comes into a zero torque state, the synchronizer is shifted to a target gear position, the required torque of the second motor being kept to be zero; once the synchronizer is located in the target gear position, the required torque of the second motor changes towards a target valuType: GrantFiled: November 20, 2015Date of Patent: April 18, 2017Assignee: SAIC Motor Corporation LimitedInventors: Jun Zhu, Chengjie Ma, Zhengmin Gu, Xianjun Ye, Pengjun Zhang, Peng Zhang, Jing Gu
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Patent number: 9604630Abstract: A hybrid system torque control method and hybrid automobile using same, the method comprising the following steps: (1) analyzing the torque required by a driver; (2) allocating and coordinating the multiple-source torque. The method ensures a consistent driving feel within the range of real-time power source torque capacity, and facilitates hybrid system matching.Type: GrantFiled: February 28, 2014Date of Patent: March 28, 2017Assignee: SAIC MOTOR CORPORATION LIMITEDInventors: Yuxing Zhou, Pengjun Zhang, Jun Zhu, Xiaoguang Deng, Jun Sun
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Patent number: 9545840Abstract: A hybrid-power driving system (HPDS) (110) includes an engine, a motor, and a transmission. The HPDS may include a single clutch and the transmission can provide at least six forward speed ratios and can provide for a reverse speed ratio. The transmission can include three synchronizers and multiple gearwheels that are used in multiple speed ratios. In addition to a pure engine driving mode and a pure motor driving mode, the HPDS can operate using a hybrid-power driving mode (HDM). In the HDM, the HPDS can provide for shifting of gears without power interruption to the half-axles and wheels of a vehicle. In the HDM, the continuous power being output can be achieved by keeping a synchronizer engaged to a gearwheel for two consecutive speed ratios.Type: GrantFiled: June 26, 2015Date of Patent: January 17, 2017Assignee: SAIC MOTOR CORPORATION LIMITEDInventors: Jun Zhu, Jian Wang, Hailong Ge, Zhenxing Fu, Sidong Luo
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Patent number: 9517763Abstract: A transmission control system for a hybrid-power driving system includes at least a gear shifting actuation module to control engagement of specific gearwheels and a clutch actuation module to control a clutch that couples an engine to the transmission. Gear shifts are required for each of the engine and the electric motor in the hybrid-power driving system. By selectively controlling the clutch and engagement of specific gearwheels, the transmission control system can start the engine when the vehicle is initially powered by the electric motor alone. Starting the internal combustion engine in this case switches the vehicle from a pure motor driving mode to a hybrid driving mode. Additionally, the transmission control system can start the engine when the vehicle is in a parked state, for example, to put the vehicle in a battery charging mode for the electric motor.Type: GrantFiled: June 26, 2015Date of Patent: December 13, 2016Assignee: SAIC Motor Corporation LimitedInventors: Jun Zhu, Hongxiang Leng, Chengjie Ma, Jun Sun, Jian Wang, Zhengmin Gu
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Patent number: 8672109Abstract: A narrow double clutch transmission to be mounted in a drive train with a drive unit comprises a clutch part and a transmission part with two sub-transmission units. The clutch part has one input hub connected with the drive unit and two output hubs, which are connected with two input shafts of two sub-transmission unit respectively. The two sub-transmission unit input shafts are arranged coaxially to each other. At the output side the input hub is connected with a damping mechanism, which is connected with two clutches. The two clutches and the damping mechanism are arranged in a clutch chamber filled with oil, which is sealed floatingly to a clutch cover. The output hub connected with the sub-transmission input shaft is axially supported by the sub-transmission unit input shaft.Type: GrantFiled: November 10, 2008Date of Patent: March 18, 2014Assignees: SAIC Motor Corporation Limited, Shanghai Automotive Gear WorksInventors: Georg Quartier, Peter Nissen, Gerd Hilger
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Publication number: 20120227525Abstract: The invention provides a double clutch transmission (100B), wherein for each of the countershafts (6; 7), between the corresponding driving gear (23; 24) of the corresponding countershaft (6; 7) and at least one of idler gears (8, 9, 10; 11, 12, 13, 14) of the corresponding countershaft (6; 7), there is disposed a bearing (33A; 35A) of the corresponding countershaft (6; 7). The construction of the transmission can be allowed to be more compact according to the invention.Type: ApplicationFiled: September 23, 2009Publication date: September 13, 2012Applicants: SHANGHAI AUTOMOBILE GEAR WORKS, SAIC MOTOR CORPORATION LIMITEDInventors: Tim Bartling, Peter Nissen, Nadir Zaki
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Publication number: 20110005882Abstract: In order to be able to build a double clutch transmission more narrow, the invention proposes a double clutch transmission to be mounted in a drive train with a drive unit, wherein the double clutch transmission comprises a clutch part and a transmission part with two sub-transmission units, wherein the clutch part has one input hub for an operative connection with the drive unit and two output hubs, which are, respectively, operatively connected with the input shaft of a sub-transmission unit, wherein the two sub-transmission unit input shafts are arranged coaxially to each other, wherein on the output side the input hub is operatively connected with a damping mechanism, which—on its side—is operatively connected on the output side with two clutches, and the output hubs are operatively connected, respectively, at the drive end with one of the clutches and wherein both the clutches and also the damping mechanism are arranged in a clutch chamber filled with oil, which is sealed floatingly to a clutch cover, byType: ApplicationFiled: November 10, 2008Publication date: January 13, 2011Applicants: SAIC MOTOR CORPORATION LIMITED, SHANGHAI AUTOMOBILE GEAR WORKSInventors: Georg Quartier, Peter Nissen, Gerd Hilger