Patents by Inventor Fei Ma
Fei Ma 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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Patent number: 11891865Abstract: A full-face shaft tunnel boring machine system includes a tunnel boring machine cutterhead device for tunneling downwards in a shaft; a full-hydraulic formwork device for supporting and walling in a wellbore; and an upper muck-discharge system for vertically conveying rock mucks generated by tunneling. The tunnel boring machine cutterhead device comprises a vertical guide frame, a cutter-expanded boring head and an advanced cutterhead that are fixedly connected in a vertical order from top to bottom so as to form an integrated structure. The vertical guide frame is a hollow cylindrical structure and driven to rotate around an axis of the vertical guide frame by a power mechanism, and an outer wall of the vertical guide frame is provided with multiple sets of first guide rollers.Type: GrantFiled: August 25, 2023Date of Patent: February 6, 2024Assignees: HEFEI DESIGN & RESEARCH INSTITUTE OF COAL INDUSTRY CO., LTD, UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING, CHINA COAL NO.3 CONSTRUCTION CORPORATION (GROUP) LTD, ANSTEEL GROUP MINING CORPORATION LIMITEDInventors: Huidong Xu, Renshu Yang, Bin Xu, Ning Liu, Guang Li, Yong Zhang, Jinghui Ye, Lin Lv, Fei Ma, Donghui Man, Tingting Bao, Zheng Li, Yingcan Liu, Guozheng Zhou, Bo Ding
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Publication number: 20240026837Abstract: Provided are a composite coating, a piston, an engine, and a vehicle. The composite coating comprises a metal bonding layer, a transition layer, a ceramic layer, and a sealing layer which are sequentially laminated, wherein the metal bonding layer is configured to be bonded with a piston basic body, the metal bonding layer is a rare earth metal modified bonding layer, and the transition layer is a rare earth metal modified zirconia layer.Type: ApplicationFiled: March 30, 2022Publication date: January 25, 2024Inventors: Fei MA, Ninglu WANG, Lingyan GUO, Shanhong WAN, Guolong HUANG, Qiangzhen ZANG
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Silicon-based anode material for secondary battery and preparation method thereof, secondary battery
Patent number: 11876220Abstract: A silicon-based anode material for secondary batteries, a preparation method thereof and a secondary battery are provided. The silicon-based anode material includes: an inner core including an Si particle and silicon oxide SiOx1, where 0<x1<2, a first shell layer including a compound of the general formula MySiOz (0<y?4, 0<z?5, and z?x1) and a C particle, wherein the first shell layer covers the inner core, and the contents of M and C in the first shell layer gradually increase from a side thereof close to the inner core to another side thereof far away from the inner core; and a second shell layer including a carbon film layer or a composite film layer formed by a carbon film layer and a conductive additive, the second shell layer covers the first shell layer. The first charge-discharge cycle capability of the silicon-based anode material is improved, and the manufacturing cost is reduced.Type: GrantFiled: December 30, 2019Date of Patent: January 16, 2024Assignee: SHANGHAI SHANSHAN TECH CO., LTD.Inventors: Yuhu Wu, Fei Ma, Dongdong Liu, Liangqin Wei, Zhihong Wu, Xiaoyang Ding, Fengfeng Li -
Publication number: 20230401168Abstract: The present disclosure provides a data collection system and method. The data collection system includes a microcontroller module, a switch and a storage module. The microcontroller module sends protocol information to the switch, configures a port of the switch, and sends control instruction to the switch. The switch receives the control instruction and transmits data to the microcontroller module according to the control instruction. The microcontroller module processes the data transmitted by the switch and transmits processed data to the storage module. The storage module receives the processed data and save the processed data. The data collection system is easy to deploy, improves production efficiency, simplifies the operation steps of data collection, and reduces the technical threshold of users.Type: ApplicationFiled: February 2, 2023Publication date: December 14, 2023Inventor: TENG-FEI MA
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Patent number: 11834481Abstract: A salty taste enhancing peptide derived from dry-cured ham is provided, and the amino acid sequences thereof are Asp-Leu; Phe-Met-Ser-Ala-Leu-Phe, as shown in SEQ ID NO: 1; and His-Val-Arg-Arg-Lys, as shown in SEQ ID NO: 2. The salty taste enhancing peptide in the present disclosure is of small molecular weight, features easy separation and purification, has strong salty taste enhancing effect and simple sequences, and is easy to synthesize, therefore, the salty taste enhancing peptide can be applied to the fields of food, health products, medicine and biology, and is expected to replace salt substitute products currently available on the market.Type: GrantFiled: June 1, 2023Date of Patent: December 5, 2023Assignees: Hefei University of Technology, Yunnan Agricultural UniversityInventors: Feiran Xu, Baocai Xu, Xuefeng Wang, Zhaoming Wang, Bao Zhang, Fei Ma, Ying Wu, Kai Zhou, Hui Zhou, Kezhou Cai
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Publication number: 20230361279Abstract: The application provides a silicon-based lithium storage material and a preparation method thereof, wherein the silicon-based lithium storage material includes: an inner core, including silicon elements with a valence of 0-4; a first shell layer coating or partially coating the inner core, the first shell layer comprises a fluorocarbon layer, and the fluorocarbon layer comprises a fluorocarbon. According to the technical scheme of the present application, the silicon-based lithium storage material may improve the characteristics of the silicon-based lithium storage material as an active material of a lithium ion secondary battery under high-temperature storage conditions, and simultaneously improve the cycle characteristics and initial charge-discharge coulombic efficiency of the secondary battery.Type: ApplicationFiled: September 11, 2020Publication date: November 9, 2023Applicant: SHANGHAI SHANSHAN TECH CO., LTD.Inventors: Fei MA, Dongdong LIU, Zhihong WU, Fengfeng Li
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Patent number: 11805592Abstract: A circuit board assembly is applied to the field of electronic communications technologies to resolve a prior-art heat dissipation problem of a circuit board. The circuit board assembly combines, on a second circuit board, low-speed signals transmitted between a plurality of I/O modules and an IC chip, and then transmits the combined low-speed signals to the IC chip by using a low-speed cable. A low-speed signal sent by the IC chip to the plurality of I/O modules is extended to a plurality of low-speed signals on the second circuit board, and then the plurality of low-speed signals are separately sent to the plurality of I/O modules. This may be applied to a scenario in which a relatively large quantity of electronic components need to be disposed on a circuit board.Type: GrantFiled: January 22, 2021Date of Patent: October 31, 2023Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Chaojun Deng, Fei Ma, Wei Fang, Zhiwen Yang, Chungang Li, Shun Hao
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Patent number: 11791198Abstract: A semiconductor device has a semiconductor material in a substrate. The semiconductor device has an MOS transistor. A trench in the substrate extends from a top surface of the substrate) into the semiconductor material. A shield is disposed in the trench. The shield has a contact portion which extends toward a top surface of the trench. A gate of the MOS transistor is disposed in the trench over the shield. The gate is electrically isolated from the shield. The gate is electrically isolated from the contact portion of the shield by a shield isolation layer which covers an angled surface of the contact portion extending toward the top of the trench. Methods of forming the semiconductor device are disclosed.Type: GrantFiled: March 15, 2022Date of Patent: October 17, 2023Assignee: Texas Instruments IncorporatedInventors: Hong Yang, Seetharaman Sridhar, Ya ping Chen, Fei Ma, Yunlong Liu, Sunglyong Kim
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Patent number: 11761853Abstract: An engine piston is provided. A first sealing structure, including a first sealing rubber ring and a first annular groove, is provided at a head of the engine piston. The first sealing rubber ring has a U-shaped section with a reserved space at the top of the first sealing rubber ring, and a gap for circulating hydraulic oil is provided between a ring bank, above the first sealing rubber ring, of the engine piston and a simulated cylinder liner of a fatigue testing apparatus for an engine piston. In a case that the hydraulic oil is introduced into the fatigue testing apparatus for the engine piston to simulate pressure loading under a high-explosion pressure, when the hydraulic oil enters into the reserved space from the gap for circulating the hydraulic oil, an inner wall of the reserved space is squeezed and the first sealing rubber ring is deformed.Type: GrantFiled: July 6, 2022Date of Patent: September 19, 2023Assignees: Weichai Power Co., LTD., Weichai Heavy Machinery Co., LTDInventors: Haijun Liu, Ninglu Wang, Fei Ma, Baoyu Liu, Lei Li
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Publication number: 20230273189Abstract: An immunoadsorbent and a composite affinity column for purifying fumonisin B1, anguidin, T-2 toxin, zearalenone, and vomitoxin. The immunoadsorbent includes a solid phase carrier, and a fumonisin B1 monoclonal antibody, an anguidin monoclonal antibody, a T-2 toxin monoclonal antibody, a zearalenone monoclonal antibody and a vomitoxin monoclonal antibody which are coupled to the solid phase carrier, the anguidin monoclonal antibody is a monoclonal antibody secreted by a hybridoma cell strain DAS5G11E7 having an accession number of CCTCCNO:C201881. The affinity column can be used for high performance liquid chromatography-mass spectrometry detection of the fumonisin B1, the anguidin, the T-2 toxin, the zearalenone and the vomitoxin, and has stable performance. Furthermore, an economical, quick, precise and safe detection method is established of the basis of the affinity column, and can be used for purifying and detecting samples of the five toxins without mutual interference and influence.Type: ApplicationFiled: November 16, 2020Publication date: August 31, 2023Applicant: OIL CROPS RESEARCH INSTITUTE, CHINESE ACADEMY OF AGRICULTURAL SCIENCESInventors: Qi ZHANG, Yizhen BAI, Nanri YIN, Fei MA, Peiwu LI
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Publication number: 20230168153Abstract: An engine piston is provided. A first sealing structure, including a first sealing rubber ring and a first annular groove, is provided at a head of the engine piston. The first sealing rubber ring has a U-shaped section with a reserved space at the top of the first sealing rubber ring, and a gap for circulating hydraulic oil is provided between a ring bank, above the first sealing rubber ring, of the engine piston and a simulated cylinder liner of a fatigue testing apparatus for an engine piston. In a case that the hydraulic oil is introduced into the fatigue testing apparatus for the engine piston to simulate pressure loading under a high-explosion pressure, when the hydraulic oil enters into the reserved space from the gap for circulating the hydraulic oil, an inner wall of the reserved space is squeezed and the first sealing rubber ring is deformed.Type: ApplicationFiled: July 6, 2022Publication date: June 1, 2023Inventors: Haijun LIU, Ninglu WANG, Fei MA, Baoyu LIU, Lei LI
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Patent number: 11658292Abstract: A silicon-based anode material, a preparation method thereof and a lithium ion battery are provided. The preparation method of the silicon-based anode material includes: passing a silicon substrate material through a vapor deposition gas to coat the surface of the silicon substrate material with a carbon deposition layer, the vapor deposition gas includes a first carbon source gas and a second carbon source gas, the volume percentage of the first carbon source gas and the second carbon source gas in the vapor deposition gas increases or decreases at different reaction stages for forming the carbon deposition layer. The side of the carbon deposited layer close to the silicon base material is more or less dense than the other side of the carbon deposited layer. The coating layer on the surface of the silicon-based anode material has a continuously changing junction, thereby greatly improving the cycling stability of the material.Type: GrantFiled: December 30, 2019Date of Patent: May 23, 2023Assignee: SHANGHAI SHANSHAN TECH CO., LTD.Inventors: Liangqin Wei, Fei Ma, Dongdong Liu, Yuhu Wu, Zhihong Wu, Xiaoyang Ding, Fengfeng Li
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Publication number: 20220371913Abstract: Ternary precursor particles used for a lithium-ion battery, the ternary precursor particles having a NixCoyMnz(OH)2, wherein, x+y+z=1, 0<x<1, 0<y<1, 0<z<1; each ternary precursor particle is a spheroidal structure, and comprises a shell, a transition layer and a particle core; the shell is a dense structure, the particle core is a porous structure, a density of the shell is greater than a density of the particle core, the transition layer surrounds the particle core and is sandwiched between the shell and the particle core; each ternary precursor particle is a mixture formed by mixing the nickel hydroxide, the cobalt hydroxide and the manganese hydroxide at the atomic level; a crystallinity of the shell is greater than a crystallinity of the transition layer, and the crystallinity of the transition layer is greater than a crystallinity of the particle core.Type: ApplicationFiled: August 5, 2022Publication date: November 24, 2022Inventors: YUE-FEI MA, JUN ZHENG
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Publication number: 20220328806Abstract: A silicon-based anode material, a preparation method thereof and a lithium ion battery are provided. The preparation method of the silicon-based anode material includes: passing a silicon substrate material through a vapor deposition gas to coat the surface of the silicon substrate material with a carbon deposition layer, the vapor deposition gas includes a first carbon source gas and a second carbon source gas, the volume percentage of the first carbon source gas and the second carbon source gas in the vapor deposition gas increases or decreases at different reaction stages for forming the carbon deposition layer. The side of the carbon deposited layer close to the silicon base material is more or less dense than the other side of the carbon deposited layer. The coating layer on the surface of the silicon-based anode material has a continuously changing junction, thereby greatly improving the cycling stability of the material.Type: ApplicationFiled: December 30, 2019Publication date: October 13, 2022Applicant: SHANGHAI SHANSHAN TECH CO., LTD.Inventors: Liangqin Wei, Fei Ma, Dongdong Liu, Yuhu Wu, Zhihong Wu, Xiaoyang Ding, Fengfeng Li
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SILICON-BASED ANODE MATERIAL FOR SECONDARY BATTERY AND PREPARATION METHOD THEREOF, SECONDARY BATTERY
Publication number: 20220328813Abstract: A silicon-based anode material for secondary batteries, a preparation method thereof and a secondary battery are provided. The silicon-based anode material includes: an inner core including an Si particle and silicon oxide SiOx1, where 0<x1 <2, a first shell layer including a compound of the general formula MySiOz (0<y?4, 0<z?5, and z?x1) and a C particle, wherein the first shell layer covers the inner core, and the contents of M and C in the first shell layer gradually increase from a side thereof close to the inner core to another side thereof far away from the inner core; and a second shell layer including a carbon film layer or a composite film layer formed by a carbon film layer and a conductive additive, the second shell layer covers the first shell layer. The first charge-discharge cycle capability of the silicon-based anode material is improved, and the manufacturing cost is reduced.Type: ApplicationFiled: December 30, 2019Publication date: October 13, 2022Applicant: SHANGHAI SHANSHAN TECH CO., LTD.Inventors: Yuhu Wu, Fei Ma, Dongdong Liu, Liangqin Wei, Zhihong Wu, Xiaoyang Ding, Fengfeng Li -
Patent number: 11440811Abstract: Ternary precursor particles used for a lithium-ion battery, the ternary precursor particles having a NixCoyMnz(OH)2, wherein, x+y+z=1, 0<x<1, 0<y<1, 0<z<1; each ternary precursor particle is a spheroidal structure, and comprises a shell, a transition layer and a particle core; the shell is a dense structure, the particle core is a porous structure, the transition layer surrounds the particle core and is sandwiched between the shell and the particle core; each ternary precursor particle is a mixture formed by mixing the nickel hydroxide, the cobalt hydroxide and the manganese hydroxide at the atomic level; a crystallinity of the shell is greater than a crystallinity of the transition layer, and the crystallinity of the transition layer is greater than a crystallinity of the particle core.Type: GrantFiled: July 8, 2019Date of Patent: September 13, 2022Assignee: XTC New Energy Materials(Xiamen) LTD.Inventors: Yue-Fei Ma, Jun Zheng
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Publication number: 20220208601Abstract: A semiconductor device has a semiconductor material in a substrate. The semiconductor device has an MOS transistor. A trench in the substrate extends from a top surface of the substrate) into the semiconductor material. A shield is disposed in the trench. The shield has a contact portion which extends toward a top surface of the trench. A gate of the MOS transistor is disposed in the trench over the shield. The gate is electrically isolated from the shield. The gate is electrically isolated from the contact portion of the shield by a shield isolation layer which covers an angled surface of the contact portion extending toward the top of the trench. Methods of forming the semiconductor device are disclosed.Type: ApplicationFiled: March 15, 2022Publication date: June 30, 2022Inventors: Hong YANG, Seetharaman SRIDHAR, Ya ping CHEN, Fei MA, Yunlong LIU, Sunglyong KIM
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Patent number: 11364941Abstract: A bidirectional windage resistance brake apparatus including a base, a first cylinder, a second cylinder, a first windage resistance plate and a second windage resistance plate, a tail of the first windage resistance plate is hinged with the base; the first windage resistance plate includes a first supporting rod, one end of which is hinged to a middle portion of the first windage resistance plate, and another end is connected with the first cylinder; a tail of the second windage resistance plate is hinged with the base; the second windage resistance plate includes a second supporting rod, one end of which is hinged to a middle portion of the second windage resistance plate, and another end is connected with the second cylinder. The brake apparatus is high in brake efficiency and reliability.Type: GrantFiled: January 18, 2022Date of Patent: June 21, 2022Assignee: CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE CO., LTD.Inventors: Yunpeng Wang, Fei Ma, Chonghong Yin, Jinsong Tang
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Publication number: 20220135091Abstract: A bidirectional windage resistance brake apparatus including a base, a first cylinder, a second cylinder, a first windage resistance plate and a second windage resistance plate, a tail of the first windage resistance plate is hinged with the base; the first windage resistance plate includes a first supporting rod, one end of which is hinged to a middle portion of the first windage resistance plate, and another end is connected with the first cylinder; a tail of the second windage resistance plate is hinged with the base; the second windage resistance plate includes a second supporting rod, one end of which is hinged to a middle portion of the second windage resistance plate, and another end is connected with the second cylinder. The brake apparatus is high in brake efficiency and reliability.Type: ApplicationFiled: January 18, 2022Publication date: May 5, 2022Inventors: YUNPENG WANG, FEI MA, CHONGHONG YIN, JINSONG TANG
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Patent number: 11322594Abstract: A semiconductor device, and methods of forming the same. In one example, the semiconductor device includes a trench in a substrate having a top surface, and a shield within the trench. The semiconductor device also includes a shield liner between a sidewall of the trench and the shield, and a lateral insulator over the shield contacting the shield liner. The semiconductor device also includes a gate dielectric layer on an exposed sidewall of the trench between the lateral insulator and the top surface. The lateral insulator may have a minimum thickness at least two times thicker than a maximum thickness of the gate dielectric layer.Type: GrantFiled: December 28, 2020Date of Patent: May 3, 2022Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Fei Ma, Ya ping Chen, Yunlong Liu, Hong Yang, Shengpin Yang, Baoqiang Niu, Rui Liu, Zhi Peng Feng, Seetharaman Sridhar, Sunglyong Kim