Patents by Inventor Guoan Chen
Guoan Chen 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: 11920236Abstract: A composite coating layer for coating a NdFeB rare earth magnet includes a first coating layer and a second coating layer formed over a surface of the first coating layer. The first coating layer includes a Nd coating layer, a Pr coating layer, or an alloy coating layer including two or more of Nd, Pr, and Cu. The second coating layer includes a Tb coating layer.Type: GrantFiled: June 24, 2021Date of Patent: March 5, 2024Assignees: SANVAC (BEIJING) MAGNETICS CO., LTD., BEIJING ZHONG KE SAN HUAN HI-TECH CO., LTD.Inventors: Guoan Chen, Bin Fang, Haojie Wang, Yugang Zhao
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Publication number: 20230341499Abstract: The present disclosure relates to an UWB-based positioning apparatus and method, a device and a storage medium. The positioning apparatus includes a position determining module, and at least two UWB modules connected to the position determining module, where each of the UWB modules includes a UWB RF unit, a power divider and multiple anchor antennas; the power divider is configured to divide a RF signal radiated from the UWB RF unit to the multiple anchor antennas; multiple anchor antennas are configured to radiate the divided RF signal to a target object and acquire UWB RF signal information of the target object, where the UWB RF signal information include a received signal strength indicator and a radio wave TOF between the target object and each of the multiple anchor antennas; the position determining module is configured to determine position information of the target object based on the UWB RF signal information.Type: ApplicationFiled: April 27, 2023Publication date: October 26, 2023Inventor: Guoan CHEN
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Patent number: 11571744Abstract: The current invention discloses a type of micronized powder for manufacturing sintered Neodymium magnetic material, a target type jet mill pulverization method to prepare the micronized powder, and the resulting pulverized powder. The Neodymium magnet powder created under the method is of sphericity of greater than or equal to 90% and of particle adhesion rate of less than or equal to 10%. A is the diameter of the target center, B is the diameter of the side nozzle, and C is the distance between the target center and the nozzle. The relationship amongst A, B and C is A/B=m×(C/A+B), where m ranges from 1 to 7. A velocity of the jet stream from side nozzle is between about 320 m/s to about 580 m/s.Type: GrantFiled: June 21, 2019Date of Patent: February 7, 2023Assignees: SANVAC (BEIJING) MAGNETICS CO., LTD., BEIJING ZHONG KE SAN HUAN HI-TECH CO., LTD.Inventors: Guoan Chen, Bin Fang, Libai Sun, Yugang Zhao
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Patent number: 11226333Abstract: The present disclosure relates to compositions and methods for cancer diagnosis, research and therapy, including but not limited to, cancer markers. In particular, the present disclosure relates to cancer markers as diagnostic markers and clinical targets for lung cancer.Type: GrantFiled: October 24, 2018Date of Patent: January 18, 2022Assignee: The Regents of the University of MichiganInventors: Venkateshwar G. Keshamouni, Gilbert S. Omenn, Guoan Chen, David G. Beer, Theodore J. Standiford
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Publication number: 20210335525Abstract: A NdFeB rare earth magnet includes a main phase and a grain boundary phase including a white grain boundary phase and a gray grain boundary phase. In a microstructure observation area of the rare earth magnet, an area of the white grain accounts for 1˜3% of a total area of the microstructure observation area, and an area of the gray grain boundary phase accounts for 2˜10% of the total area of the microstructure observation area.Type: ApplicationFiled: June 24, 2021Publication date: October 28, 2021Inventors: Guoan CHEN, Haojie WANG, Bin FANG, Fei DU, Zhan WANG, Yugang ZHAO
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Publication number: 20210317566Abstract: A composite coating layer for coating a NdFeB rare earth magnet includes a first coating layer and a second coating layer formed over a surface of the first coating layer. The first coating layer includes a Nd coating layer, a Pr coating layer, or an alloy coating layer including two or more of Nd, Pr, and Cu. The second coating layer includes a Tb coating layer.Type: ApplicationFiled: June 24, 2021Publication date: October 14, 2021Inventors: Guoan CHEN, Bin FANG, Haojie WANG, Yugang ZHAO
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Patent number: 10894697Abstract: The present invention discloses a self-detection device for a liner plate of a hoisting container and a detection method. The device mainly includes: a frame, a baffle-type hoist conveyor, a horizontal conveyor, a loading hopper assembly, an unloading hopper assembly, a liner plate assembly, and a hoisting container system. The loading hopper assembly is fixedly mounted to an upper right end of the frame, the unloading hopper assembly is fixedly mounted to a lower left end of the frame, the hoisting container system is arranged on an upper left portion of the frame and above the unloading hopper assembly, and the liner plate assembly is provided inside the hoisting container system.Type: GrantFiled: December 4, 2017Date of Patent: January 19, 2021Assignees: CHINA UNIVERSITY OF MINING AND TECHNOLOGY, XUZHOU COAL MINE SAFETY EQUIPMENT MANUFACTURE CO. LTD. :Inventors: Yuxing Peng, Zhencai Zhu, Zhentao Mi, Gongbo Zhou, Guohua Cao, Songyong Liu, Guoan Chen, Hao Lu, Wei Li, Junliang Liu
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Publication number: 20200407196Abstract: The present invention discloses a self-detection device for a liner plate of a hoisting container and a detection method. The device mainly includes: a frame, a baffle-type hoist conveyor, a horizontal conveyor, a loading hopper assembly, an unloading hopper assembly, a liner plate assembly, and a hoisting container system. The loading hopper assembly is fixedly mounted to an upper right end of the frame, the unloading hopper assembly is fixedly mounted to a lower left end of the frame, the hoisting container system is arranged on an upper left portion of the frame and above the unloading hopper assembly, and the liner plate assembly is provided inside the hoisting container system.Type: ApplicationFiled: December 4, 2017Publication date: December 31, 2020Applicants: CHINA UNIVERSITY OF MINING AND TECHNOLOGY, XUZHOU COAL MINE SAFETY EQUIPMENT MANUFACTURE CO. LTD.Inventors: Yuxing PENG, Zhencai ZHU, Zhentao MI, Gongbo ZHOU, Guohua CAO, Songyong LIU, Guoan CHEN, Hao LU, Wei LI, Junliang LIU
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Patent number: 10714245Abstract: Disclosed herein is a method for manufacturing an R-T-B permanent magnet and the magnet made with the method. The method may include preparation of strip pieces by melting and casting, preparing coarse powder by hydrogen decrepitation of the strip pieces; milling the powder into fine powder; pressing the fine powder is pressed to form a compact, pre-sintering the compact in vacuum or inert gas, machining the pre-sintered block to a desired shape; and dispersing the heavy rare earth compound powder into an organic solvent to prepare a slurry and a second sintering step.Type: GrantFiled: April 10, 2017Date of Patent: July 14, 2020Assignee: Beijing Zhong Ke San Huan Hi-Tech Co., Ltd.Inventors: Guoan Chen, Yugang Zhao, Jin Zhang, E Niu, Haojie Wang, Xuanzhang Ye
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Publication number: 20200030884Abstract: The current invention discloses a type of micronized powder for manufacturing sintered Neodymium magnetic material, a target type jet mill pulverization method to prepare the micronized powder, and the resulting pulverized powder. The Neodymium magnet powder created under the method is of sphericity of greater than or equal to 90% and of particle adhesion rate of less than or equal to 10%. A is the diameter of the target center, B is the diameter of the side nozzle, and C is the distance between the target center and the nozzle. The relationship amongst A, B and C is A/B=m×(C/A+B), where m ranges from 1 to 7. A velocity of the jet stream from side nozzle is between about 320 m/s to about 580 m/s.Type: ApplicationFiled: June 21, 2019Publication date: January 30, 2020Applicants: SANVAC (BEIJING) MAGNETICS CO., LTD., BEIJING ZHONG KE SAN HUAN HI-TECH CO., LTD.Inventors: GUOAN CHEN, BIN FANG, LIBAI SUN, YUGANG ZHAO
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Publication number: 20190056403Abstract: The present disclosure relates to compositions and methods for cancer diagnosis, research and therapy, including but not limited to, cancer markers. In particular, the present disclosure relates to cancer markers as diagnostic markers and clinical targets for lung cancer.Type: ApplicationFiled: October 24, 2018Publication date: February 21, 2019Inventors: Venkateshwar G. Keshamouni, Gilbert S. Omenn, Guoan Chen, David G. Beer, Theodore J. Standiford
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Patent number: 10115506Abstract: A sintered neodymium-iron-boron magnet, the main components thereof comprising rare-earth elements R, additional elements T, iron Fe and boron B, and having a rare-earth-enriched phase and a main phase of a Nd2Fe14B crystal structure. The sum of the numerical values of the maximum magnetic energy product (BH)max in units of MGOe and the intrinsic coercive force Hcj in units of kOe is not less than 70. The manufacturing method of the sintered neodymium-iron-boron magnet comprises alloy smelting, powder making, powder mixing, press forming, sintering and heat treatment procedures. By controlling the component formulation and optimizing the process conditions, the sintered neodymium-iron-boron magnet is enabled to simultaneously have a high maximum magnetic energy product and a high intrinsic coercive force.Type: GrantFiled: December 24, 2013Date of Patent: October 30, 2018Assignees: Beijing Zhong Ke San Huan Hi-Tech Co., LTD., Sanvac (Beijing) Magnetics Co., LTD.Inventors: Boping Hu, Yugang Zhao, Jin Zhang, Guoan Chen, Xiaolei Rao, E Niu, Zhian Chen, Guoshun Jin, Jingdong Jia
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Patent number: 9914618Abstract: A device for monitoring tension equalization and displacement adjustment states of steel wire ropes of a multi-rope hoister includes a displacement sensor mounted on a steel wire rope tension equalization device, a signal acquisition transmitter designed to store and transmit signals of the displacement sensor, a barometric altimeter designed to detect the depth of a mine shaft where a hoisting container is located, and a wireless receiving and processing system arranged at the well mouth of the mine shaft.Type: GrantFiled: March 26, 2014Date of Patent: March 13, 2018Assignees: China University of Mining and Technology, Xuzhou Coal Mine Safety Equipment Manufacture Co., Ltd.Inventors: Zhencai Zhu, Guohua Cao, Gongbo Zhou, Changhua Hu, Wei Li, Guoan Chen, Yuxing Peng, Qingyong Du, Ronghua Wu
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Patent number: 9878882Abstract: The present invention provides a large-tonnage slender externally powered rail-mounted unloading skip, comprising an upper bin body and a lower bin body that are respectively formed by an inner lining plate and an outer plate fixed together via a number of pin shafts, a self-locking gate, and a gate opening device.Type: GrantFiled: March 26, 2014Date of Patent: January 30, 2018Assignees: Xuzhou Coal Mine Safety Equipment Manufacture Co., Ltd., China University of Mining and TechnologyInventors: Zhencai Zhu, Gongbo Zhou, Changhua Hu, Guohua Cao, Wei Li, Guoan Chen, Yuxing Peng, Qingyong Du, Miao Wang
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Patent number: 9840396Abstract: Disclosed is a fall prevention brake buffering system for high-speed mine lift, including brake ropes (2) fixed on two sides of a car (5). One end of the brake rope (2) is fixed on the top part of a vertical well (6), and the other end is fixed on the bottom part of the vertical well (6). A linkage mechanism (11) is arranged at the bottom of the car (5). A buffer (1) is arranged at the top of the brake rope (2), and a tension connector (4) is arranged at the bottom of the brake rope (2). A brake rope safety tong (3) fixed on the brake rope (2) and connected with the linkage mechanism (11) is arranged at the bottom of the car (5). The buffer (1) includes an inverted brake rope gradual safety tong (8) with a buffering rope (9) provided therein and connected with the brake rope (2). A buffering rope clip (10) is arranged on the buffering rope (9). The system is convenient to install, and the buffering force of the brake rope is constant and adjustable.Type: GrantFiled: March 25, 2013Date of Patent: December 12, 2017Assignees: China University of Mining and Technology, Dongnan Elevator Co. LtdInventors: Zhencai Zhu, Guohua Cao, Jiancong Qin, Hongqiao Kang, Guoan Chen, Weihong Peng, Wei Li, Gongbo Zhou, Renyuan Wu, Ling Yue, Yiping Ma, Jianrong Yang
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Patent number: 9840399Abstract: A mining elevator carrying platform and carrying method, the platform comprises a power system (1) and a four-rod carrying device (5), a rotating rod (3) connected with the power system (1) is set on the carrying device (5); the power system (1) comprises a flameproof motor (1-1), a upper-limited switch (1-2), a down-limited switch (1-5) and a main pulley (1-6), the flameproof motor (1-1) is connected with the main pulley (1-6) through a main steel cable (1-4), a baffle (1-3) is set on the main steel cable (1-4), a double cable channel is set on the main pulley (1-6), and the main pulley (1-6) is connected with a sub-pulley (1-8) by a sub-steel cable (1-7), a sliding plate (1-9) is set on the sub-steel cable (1-7), and a sliding rod (1-10) is set on the sliding plate (1-9). The main pulley (1-6) is driven to rotate by the flameproof motor (1-1) through the main steel cable (1-4), thus the sub-pulley (1-8) is driven to rotate.Type: GrantFiled: March 25, 2013Date of Patent: December 12, 2017Assignees: China University of Mining & Technology, Dongnan Elevator Co. Ltd.Inventors: Guohua Cao, Zhencai Zhu, Jiancong Qin, Hongqiao Kang, Gongbo Zhou, Wei Li, Guoan Chen, Renyuan Wu, Jianrong Yang, Yiping Ma
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Publication number: 20170221615Abstract: Disclosed herein is a method for manufacturing an R-T-B permanent magnet and the magnet made with the method. The method may include preparation of strip pieces by melting and casting, preparing coarse powder by hydrogen decrepitation of the strip pieces; milling the powder into fine powder; pressing the fine powder is pressed to form a compact, pre-sintering the compact in vacuum or inert gas, machining the pre-sintered block to a desired shape; and dispersing the heavy rare earth compound powder into an organic solvent to prepare a slurry and a second sintering step.Type: ApplicationFiled: April 10, 2017Publication date: August 3, 2017Inventors: Guoan CHEN, Yugang ZHAO, Jin ZHANG, E NIU, Haojie WANG, Xuanzhang YE
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Adjustable intermediate disk body of large double-layer cage and adjusting and moving method thereof
Patent number: 9695017Abstract: An adjustable intermediate disk body of large double-layer cage comprises cage columns, a main intermediate disk body, and a chain block and a connecting piece. An intermediate disk guide rail beam is arranged on the inner side of the cage columns, wedge bases are symmetrically arranged on the two sides of the lower part of the intermediate disk guide rail beam, a limited block with a bolt hole is arranged on the upper part of the intermediate disk guide rail beam, and an anti-disengaging plate is arranged on the intermediate disk guide rail beam.Type: GrantFiled: March 26, 2014Date of Patent: July 4, 2017Assignees: China University of Mining and Technology, Xuzhou Coal Mine Safety Equipment Manufacture Co., Ltd.Inventors: Zhencai Zhu, Gongbo Zhou, Changhua Hu, Guohua Cao, Wei Li, Guoan Chen, Yuxing Peng, Qingyong Du, Zhi Liu -
ADJUSTABLE INTERMEDIATE DISK BODY OF LARGE DOUBLE-LAYER CAGE AND ADJUSTING AND MOVING METHOD THEREOF
Publication number: 20160207740Abstract: An adjustable intermediate disk body of large double-layer cage comprises cage columns, a main intermediate disk body, and a chain block and a connecting piece. An intermediate disk guide rail beam is arranged on the inner side of the cage columns, wedge bases are symmetrically arranged on the two sides of the lower part of the intermediate disk guide rail beam, a limited block with a bolt hole is arranged on the upper part of the intermediate disk guide rail beam, and an anti-disengaging plate is arranged on the intermediate disk guide rail beam.Type: ApplicationFiled: March 26, 2014Publication date: July 21, 2016Inventors: Zhencai Zhu, Gongbo Zhou, Changhua Hu, Guohua Cao, Wei Li, Guoan Chen, Yuxing Peng, Qingyong Du, Zhi Liu -
Publication number: 20160207736Abstract: A device for monitoring tension equalization and displacement adjustment states of steel wire ropes of a multi-rope hoister includes a displacement sensor mounted on a steel wire rope tension equalization device, a signal acquisition transmitter designed to store and transmit signals of the displacement sensor, a barometric altimeter designed to detect the depth of a mine shaft where a hoisting container is located, and a wireless receiving and processing system arranged at the well mouth of the mine shaft.Type: ApplicationFiled: March 26, 2014Publication date: July 21, 2016Inventors: Zhencai Zhu, Guohua Cao, Gongbo Zhou, Changhua Hu, Wei Li, Guoan Chen, Yuxing Peng, Qingyong Du, Ronghua Wu