Patents by Inventor XinXin Zhang
XinXin Zhang 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).
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Publication number: 20160159228Abstract: A power system for an electric vehicle, an electric vehicle and a motor controller for an electric vehicle are provided. The power system includes: a power battery (10); a charge-discharge socket (20); a three-level bidirectional DC-AC module (30); a motor control switch (40); a charge-discharge control module (50) having a first terminal connected with an AC terminal of the three-level bidirectional DC-AC module (30) and a second terminal connected with the charge-discharge socket (20); and a control module (60) connected with a third terminal of the charge-discharge control module (50) and a third terminal of the motor control switch (40), and configured to control the charge-discharge control module (50) and the motor control switch (40) according to a current working mode of the power system.Type: ApplicationFiled: June 30, 2014Publication date: June 9, 2016Inventors: XIAOHUA TANG, GUANGMING YANG, XINXIN ZHANG, ZHIYONG DU, MIN HU, YILONG YU, JIAN LIU, ZHEQING TANG, FU TANG
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Patent number: 9272629Abstract: A power system switching between a charge-discharge function and a driving function and an electric vehicle including the same are provided. The power system includes a power battery; a charge-discharge socket; a bidirectional DC/DC module; a driving control switch connected with the power battery and the bidirectional DC/DC module; a bidirectional DC/AC module connected with the driving control switch and the power battery; a motor control switch connected with the bidirectional DC/AC module and a motor; a charge-discharge control module connected with the bidirectional DC/AC module and the charge-discharge socket; and a controller module configured to establish a path between the power battery and the motor when a current operation mode of the power system is a driving mode, and to establish a path between the charge-discharge socket and the power battery when the current operation mode of the power system is a charge-discharge mode.Type: GrantFiled: December 31, 2012Date of Patent: March 1, 2016Assignees: Shenzhen BYD Auto R&D Company Limited, BYD Company LimitedInventors: Yingtao Li, Xinxin Zhang, Fu Tang
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Patent number: 9260022Abstract: An electric vehicle and a power system and a motor controller for an electric vehicle are provided. The power system includes a power battery; a charging-discharging socket; a bidirectional DC/DC module connected with the power battery; a driving control switch connected with the power battery and the bidirectional DC/DC module; a bidirectional DC/AC module connected with the driving control switch and the power battery; a motor control switch connected with the bidirectional DC/AC module and a motor; a charging-discharging control module connected with the bidirectional DC/AC module and the charging-discharging socket; and a controller module connected with and configured to control the driving control switch, the motor control switch and the charging-discharging control module according to a current operation mode of the power system.Type: GrantFiled: December 31, 2012Date of Patent: February 16, 2016Assignees: Shenzhen BYD Auto R&D Company Limited, BYD Company LimitedInventors: Guangming Yang, Xinxin Zhang, Zhiyong Du, Xuguang Zhou, Hongbin Luo
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Publication number: 20160019092Abstract: A method and an apparatus for closing a program, and a storage medium are provided. The method includes: opening, by a mobile terminal, a task management area of a multitasking processing queue, where a response area is provided in the task management area; detecting, by the mobile terminal, in the response area; and closing, by the mobile terminal, all programs in the multitasking processing queue in response to a specified operation of a user detected in the response area. An operation of closing a background program is simplified, and a user can easily close a background program just by performing a specified operation in a response area; therefore, the operation is simple and convenient.Type: ApplicationFiled: July 20, 2015Publication date: January 21, 2016Inventors: Cancai YUAN, Yingru DENG, Junwei LIU, Xinxin ZHANG, Lei LONG
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Publication number: 20150234938Abstract: The present disclosure discloses a method for searching for a contact in a list of contact entries performed at a computing device, the method including: displaying a list of contact entries in a first display area; displaying a list of top-level indexes in a second display area; when a first target index is selected, locating a sub-list of contact entries matching the first target index and displaying them in the first display area in an order defined by the first target index; obtaining a list of sub-level indexes through aggregation; displaying the list of sub-level indexes in a third display area; and when a second target index in the list of sub-level indexes is selected, locating a sub-list of contact entries matching the second target index and displaying them in the first display area in an order defined by the second target index.Type: ApplicationFiled: May 1, 2015Publication date: August 20, 2015Inventors: Xinxin ZHANG, Jiayao FENG, Fangmin LlU
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Publication number: 20150035459Abstract: An electric vehicle and a power system and a motor controller for an electric vehicle are provided. The power system includes a power battery; a charging-discharging socket; a bidirectional DC/DC module connected with the power battery; a driving control switch connected with the power battery and the bidirectional DC/DC module; a bidirectional DC/AC module connected with the driving control switch and the power battery; a motor control switch connected with the bidirectional DC/AC module and a motor; a charging-discharging control module connected with the bidirectional DC/AC module and the charging-discharging socket; and a controller module connected with and configured to control the driving control switch, the motor control switch and the charging-discharging control module according to a current operation mode of the power system.Type: ApplicationFiled: December 31, 2012Publication date: February 5, 2015Applicants: BYD COMPANY LIMITED, SHENZHEN BYD AUTO R&D COMPANY LIMITEDInventors: Guangming Yang, Xinxin Zhang, Zhiyong Du, Xuguang Zhou, Hongbin Luo
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Patent number: 8920835Abstract: A paliperidone double-layered osmotic pump controlled release tablet and the preparation method thereof are disclosed. The double-layered osmotic pump controlled release tablet comprises a rigid membrane, a push layer, a drug layer, an isolation layer and an aesthetic coating, wherein the rigid membrane contains a semi-permeable polymer, a porogen and/or a plasticizer and has one or more drug release orifices on one end, the push layer comprises an expanding material, an osmotic agent, a binder, a colorant and a lubricant, the drug layer contains a pharmaceutically active ingredient, a hydrophilic polymer, an osmotic agent, a colorant, a lubricant and an antistatic agent, the isolation layer is located between the inner surface of the rigid membrane and the push layer, and contains a hydrophilic polymer. The paliperidone double-layered osmotic pump controlled release tablet shows an increasing drug release rate at early stage and keeps a constant drug release rate at later stage.Type: GrantFiled: November 22, 2010Date of Patent: December 30, 2014Assignees: Shanghai Institute of Materia Medica, Chinese Academy of Sciences, QILU Pharamceutical Co., Ltd.Inventors: Yong Gan, Chunliu Zhu, Qingmin Yang, Jingyi Wang, Xiaoqing Zheng, Li Gan, Xinxin Zhang
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Publication number: 20140354195Abstract: A power system switching between a charge-discharge function and a driving function and an electric vehicle including the same are provided. The power system includes a power battery; a charge-discharge socket; a bidirectional DC/DC module; a driving control switch connected with the power battery and the bidirectional DC/DC module; a bidirectional DC/AC module connected with the driving control switch and the power battery; a motor control switch connected with the bidirectional DC/AC module and a motor; a charge-discharge control module connected with the bidirectional DC/AC module and the charge-discharge socket; and a controller module configured to establish a path between the power battery and the motor when a current operation mode of the power system is a driving mode, and to establish a path between the charge-discharge socket and the power battery when the current operation mode of the power system is a charge-discharge mode.Type: ApplicationFiled: December 31, 2012Publication date: December 4, 2014Applicants: Shenzhen BYD Auto R&D Company Limited, BYD Company LImitedInventors: Yingtao Li, Xinxin Zhang, Fu Tang
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Patent number: 8845482Abstract: A hybrid power driving system is provided, comprising an engine; a first motor; a first reducing mechanism, a second clutch, a first wheels group, a second motor, a second wheels group, a second reducing mechanism, an energy storage device, a clutch, an engine controller, and a motor controller. The motor controller may be configured to: start or stop at least one of the first motor or the second motor; and control the clutch controller and the engine controller according to a running mode of the hybrid power driving system. A driving method for the driving system as described hereinabove is also provided.Type: GrantFiled: July 2, 2012Date of Patent: September 30, 2014Assignees: Shenzhen BYD Auto R&D Company Limited, BYD Company LimitedInventors: Xinxin Zhang, Yinmei Zhou, Song Li, Fei Luo
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Publication number: 20140084826Abstract: A method for checking an out-of-step of a synchronous motor includes detecting three-phase currents of the synchronous motor; determining whether a relationship between the three-phase currents satisfies a preset requirement; and if no, determining that the synchronous motor is out of step. It is determined that the synchronous motor is out of step when amplitudes of each current of the three-phase currents are not equal or when the phase difference between the three-phase currents is not 120°.Type: ApplicationFiled: September 27, 2013Publication date: March 27, 2014Applicants: BYD COMPANY LIMITED, SHENZHEN BYD AUTO R&D COMPANY LIMITEDInventors: Hui LUO, Zhiyong DU, Xuguang ZHOU, Xinxin ZHANG, Xing CHEN, Taotao YANG, Lipin CHENG
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Publication number: 20140084825Abstract: A method for checking an out-of-step of a synchronous motor includes detecting electric degrees of the synchronous motor, in which the electric degrees comprise at least a first electric degree and a second electric degree detected at a preset interval, and the second electric degree is detected after the first electric degree; comparing the first electric degree with the second electric degree to obtain a comparing result; and determining that the synchronous motor is out of step when the comparing result satisfies a preset requirement. It is determined that the synchronous motor is out of step when the electric degree keeps unchanged or decreases progressively, or an increment of the electric degree is very small.Type: ApplicationFiled: September 27, 2013Publication date: March 27, 2014Applicants: BYD COMPANY LIMITED, SHENZHEN BYD AUTO R&D COMPANY LIMITEDInventors: Hui LUO, Zhiyong DU, Xuguang ZHOU, Xinxin ZHANG, Xing CHEN, Kai XIAO, Lipin CHENG
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Patent number: 8676414Abstract: A hybrid vehicle includes a multi-mode power system. The power system includes a battery, an electrical power input, a first motor/generator, a second motor/generator, and a clutch. A first operating mode is defined by deactivation of the internal combustion engine and the operation of the vehicle by electrical force provided from the battery to the second motor/generator. In a second operating mode, activation of the internal combustion engine generates electrical power by providing rotational force to the first motor/generator. In a third operating mode, engagement of the clutch couples the internal combustion engine and the second motor/generator to provide rotational force to the wheels. In a fourth operating mode, engagement of the clutch couples the internal combustion engine with the second motor/generator, and the first motor/generator further provides rotational force to the wheels.Type: GrantFiled: December 22, 2008Date of Patent: March 18, 2014Assignee: BYD Co. Ltd.Inventors: HongBing Luo, XuGuang Zhou, XiaoHua Tang, XinXin Zhang, Ting Luo
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Patent number: 8478466Abstract: A control system for a hybrid vehicle controls the various operating modes of the hybrid vehicle. Operating modes of the hybrid vehicle include an electric-only power mode, a series hybrid mode, a series hybrid dual-power mode, and a parallel hybrid tri-power mode. The control system selects one of the operating modes for the hybrid vehicle based on one or more inputs and comparisons. Examples of inputs for the control system include a gear-mode, a present battery storage capacity, a present velocity of the hybrid vehicle, and the previous operating mode of the hybrid power system. The control system may also take into account whether a user has selected the electric-only power mode. The control system may also control the operations of one or more components of the hybrid vehicle while operating in one of the operating modes.Type: GrantFiled: December 22, 2008Date of Patent: July 2, 2013Assignee: BYD Co. Ltd.Inventors: HongBing Luo, XuGuang Zhou, XiaoHua Tang, XinXin Zhang, Ting Luo
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Publication number: 20120323426Abstract: A hybrid power driving system is provided, comprising an engine; a first motor; a first, a first reducing mechanism, a second clutch, a first wheels group, a second motor, a second wheels group, a second reducing mechanism, an energy storage device, a clutch, an engine controller, and a motor controller. The motor controller may be configured to: start or stop the first motor and/or the second motor; and control the clutch controller and the engine controller according to a running mode of the hybrid power driving system. A driving method for the driving system as described hereinabove is also provided.Type: ApplicationFiled: July 2, 2012Publication date: December 20, 2012Inventors: Xinxin ZHANG, Yin-mei ZHOU, Song LI, Fei LUO
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Publication number: 20120301547Abstract: A paliperidone double-layered osmotic pump controlled release tablet and the preparation method thereof are disclosed. The double-layered osmotic pump controlled release tablet comprises a rigid membrane, a push layer, a drug layer, an isolation layer and an aesthetic coating, wherein the rigid membrane contains a semi-permeable polymer, a porogen and/or a plasticizer and has one or more drug release orifices on one end, the push layer comprises an expanding material, an osmotic agent, a binder, a colorant and a lubricant, the drug layer contains a pharmaceutically active ingredient, a hydrophilic polymer, an osmotic agent, a colorant, a lubricant and an antistatic agent, the isolation layer is located between the inner surface of the rigid membrane and the push layer, and contains a hydrophilic polymer. The paliperidone double-layered osmotic pump controlled release tablet shows an increasing drug release rate at early stage and keeps a constant drug release rate at later stage.Type: ApplicationFiled: November 22, 2010Publication date: November 29, 2012Applicants: SHANGHAI INSTITUTE OF MATERIA MEDICA, CHINESE ACADEMY OF SCIENCES, QILU PHARMACEUTICAL CO., LTD.Inventors: Yong Gan, Chunliu Zhu, Qingmin Yang, Jingyi Wang, Xiaoqing Zheng, Li Gan, Xinxin Zhang
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Publication number: 20120004073Abstract: A hybrid power drive system comprises: an engine operatively coupled to a gearbox; a first motor operatively coupled to the engine; a first wheel group operatively coupled to the gearbox; a second motor operatively coupled to a second wheel group; an energy storage device connected to the first motor and the second motor, respectively. The gearbox comprises a first decelerating mechanism and a second decelerating mechanism. The first wheel group is operatively coupled to the first decelerating mechanism and the second decelerating mechanism, respectively. The engine is operatively coupled to the first decelerating mechanism and the second decelerating mechanism, respectively.Type: ApplicationFiled: June 17, 2011Publication date: January 5, 2012Inventors: Xiaohua TANG, Xinxin Zhang, Fei Luo, Zhigao Xiao
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Publication number: 20090171523Abstract: A control system for a hybrid vehicle controls the various operating modes of the hybrid vehicle. Operating modes of the hybrid vehicle include an electric-only power mode, a series hybrid mode, a series hybrid dual-power mode, and a parallel hybrid tri-power mode. The control system selects one of the operating modes for the hybrid vehicle based on one or more inputs and comparisons. Examples of inputs for the control system include a gear-mode, a present battery storage capacity, a present velocity of the hybrid vehicle, and the previous operating mode of the hybrid power system. The control system may also take into account whether a user has selected the electric-only power mode. The control system may also control the operations of one or more components of the hybrid vehicle while operating in one of the operating modes.Type: ApplicationFiled: December 22, 2008Publication date: July 2, 2009Applicant: BYD CO. LTD.Inventors: HongBin Luo, XuGuang Zhou, XiaoHua Tang, XinXin Zhang, Ting Luo
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Publication number: 20090171522Abstract: A hybrid vehicle includes a multi-mode power system. The power system includes a battery, an electrical power input, a first motor/generator, a second motor/generator, and a clutch. A first operating mode is defined by deactivation of the internal combustion engine and the operation of the vehicle by electrical force provided from the battery to the second motor/generator. In a second operating mode, activation of the internal combustion engine generates electrical power by providing rotational force to the first motor/generator. In a third operating mode, engagement of the clutch couples the internal combustion engine and the second motor/generator to provide rotational force to the wheels. In a fourth operating mode, engagement of the clutch couples the internal combustion engine with the second motor/generator, and the first motor/generator further provides rotational force to the wheels.Type: ApplicationFiled: December 22, 2008Publication date: July 2, 2009Applicant: BYD CO. LTD.Inventors: HongBin Luo, XuGuang Zhou, XiaoHua Tang, XinXin Zhang, Ting Luo