Patents by Inventor Changjun WANG
Changjun WANG 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: 11951530Abstract: A high-strength stainless steel rotor and a method for preparing the same, are provided. The high-strength stainless steel rotor, including the following element components by mass percentage: C: 0.03-0.050%, Cr: 14.90-15.80%, Ni: 5.00-5.70%, Cu: 2.20-2.80%, (Nb+Ta): 0.35-0.44%, Mo: 0.45-0.54%, V: 0.06-0.10%, Si: 0.20-0.60%, Mn: 0.40-0.80%, P?0.010%, S?0.010%, O?0.003%, and the balance of iron and inevitable impurities.Type: GrantFiled: April 29, 2021Date of Patent: April 9, 2024Assignee: CENTRAL IRON AND STEEL RESEARCH INSTITUTEInventors: Zhenbao Liu, Jianxiong Liang, Xiaohui Wang, Yongqing Sun, Changjun Wang, Zhiyong Yang
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Publication number: 20240082897Abstract: A hot extrusion die for a special-shaped square pipe includes a die cavity sleeve with a special-shaped cavity. A hot extrusion mandrel is arranged in the die cavity sleeve. An area between the die cavity sleeve and the hot extrusion mandrel forms a die cavity hole. A first extrusion diversion hole and a second extrusion diversion hole are arranged below the die cavity hole. An integral centroid of the die cavity hole is located at a circle center of a radial cross section of the die cavity sleeve. Further disclosed is a hot extrusion integral forming method for a special-shaped square pipe, including: heating and expanding a blank material; heating the blank material again after expanding; performing hot extrusion on the blank material; and cooling the formed special-shaped square pipe in air to a room temperature, and inspecting surface quality and mechanical properties of the special-shaped square pipe.Type: ApplicationFiled: April 15, 2021Publication date: March 14, 2024Applicants: CENTRAL IRON AND STEEL RESEARCH INSTITUTE, HANDAN XINXING SPECIAL STEEL PIPES CO. , LTD.Inventors: Zhenbao LIU, Xiaohui WANG, Jianxiong LIANG, Yongqing SUN, Changjun WANG, Zhiyong YANG, Yuguang GAO, Jie GAO, Fuqiang LIU, Ailiang ZHANG
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Patent number: 11637407Abstract: A welding system comprises a welding module and a moving module adapted to move the welding module to a predetermined welding position. The welding module includes a guiding device and a welding tool. The guiding device has a plurality of tubular guiding heads arranged in a row, ends of the plurality of tubular guiding heads are disposed close to joints of a plurality of cables so as to guide a plurality of welding wires to the joints of the plurality of cables. The welding tool has a plurality of tooth-shaped welding heads arranged in a row, ends of the plurality of tooth-shaped welding heads are disposed close to the joints of the plurality of cables and configured to simultaneously heat the plurality of welding wires guided to the joints of the plurality of cables, so as to simultaneously weld the joints of the plurality of cables onto a circuit board.Type: GrantFiled: August 6, 2019Date of Patent: April 25, 2023Assignees: TE Connectivity Solutions GmbH, Tyco Electronics (Shanghai) Co. Ltd.Inventors: Changjun Wang, Dandan Zhang, Roberto Francisco-Yi Lu, Lvhai Hu, Yun Liu, Fengchun Xie
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Publication number: 20230027189Abstract: A self-adaptive electric toothbrush includes a handle and a brush head. A vibrating motor is arranged in the handle. Bristles are arranged on the brush head. An output shaft of the vibrating motor extends out of the handle and is connected to the brush head through a delay structure. By the delay structure, the brush head remains stationary or the amplitude of the oscillation of the brush head is less than the amplitude of the oscillation of the output shaft after the vibrating motor is activated and before pressure is applied to the bristles. After pressure is applied to the bristles, the amplitude of the oscillation of the brush head is greater than the amplitude of the oscillation before pressure is applied. In the self-adaptive electric toothbrush, before the pressure is applied, the brush head is stationary or the amplitude of oscillation is small.Type: ApplicationFiled: July 21, 2022Publication date: January 26, 2023Applicant: CONSTAR MOTION CO.,LTD.Inventors: Zhenjian Zhang, Chuansong Qiu, Dong Liu, Chuan Yang, Changjun Wang, Hongping Song
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Publication number: 20220347733Abstract: An electrically assisted forming process and device for a high-strength metal alloy thin-walled pipe includes a die sleeve, wiring terminals, a pulse power supply, a die seat, sealing baffle plates, a drawing die, and a cooling water circulation chamber. A process for forming a high-strength metal alloy thin-walled pipe includes first, graphite or fusible metal, i.e., an aluminum rod, is introduced into a high-strength metal alloy pipe to be drawn to fill the whole pipe; and then, pulse current is introduced into a plastic deformation area of the thin-walled pipe. A cooling device can be provided to achieve a good cooling effect. The thin-walled pipe with corresponding length is cut according to a production requirement after processing is completed, and annealing treatment is performed in a vacuum heat treatment furnace.Type: ApplicationFiled: January 7, 2022Publication date: November 3, 2022Applicants: CENTRAL IRON AND STEEL RESEARCH INSTITUTE, YANSHAN UNIVERSITYInventors: Yong LI, Zhiqing LYU, Bo ZHAO, Chunxu WANG, Shun HAN, Le ZHAN, Jianxiong LIANG, Zhenbao LIU, Changjun WANG
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Publication number: 20220331856Abstract: A high-strength stainless steel rotor and a method for preparing the same, are provided. The high-strength stainless steel rotor, including the following element components by mass percentage: C: 0.03-0.050%, Cr: 14.90-15.80%, Ni: 5.00-5.70%, Cu: 2.20-2.80%, (Nb+Ta): 0.35-0.44%, Mo: 0.45-0.54%, V: 0.06-0.10%, Si: 0.20-0.60%, Mn: 0.40-0.80%, P?0.010%, S?0.010%, O?0.003%, and the balance of iron and inevitable impurities.Type: ApplicationFiled: April 29, 2021Publication date: October 20, 2022Applicant: CENTRAL IRON AND STEEL RESEARCH INSTITUTEInventors: Zhenbao LIU, Jianxiong LIANG, Xiaohui WANG, Yongqing SUN, Changjun WANG, Zhiyong YANG
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Patent number: 11382250Abstract: A positioning device that has a support table, two pairs of sliding blocks slidably mounted in the support table, a positioning plate extending vertically at the top of each sliding block, a base on which the support table is supported, a cylinder in the base, a ball in the cylinder, a piston rod slidably mounted in the cylinder and pushing the ball to move upward in a vertical direction, so that the ball drives the two pairs of sliding blocks to move away from each other in the first horizontal direction and the second horizontal direction, respectively, until the positioning plates of the two pairs of sliding blocks abut against four inner walls of the opening of the circuit board, respectively, to allow the electronic device to be received in a positioning slot defined by the positioning plates, and a release mechanism that drives the piston rod to move downward in the vertical direction to allow the two pairs of sliding blocks to be moved toward each other in the first horizontal direction and the secondType: GrantFiled: October 24, 2018Date of Patent: July 5, 2022Assignees: Tyco Electronics (Shanghai) Co., Ltd., TE Connectivity Corporation, Shenzhen AMI Technology Co., Ltd, Measurement Specialities (China) Ltd.Inventors: Zhiyong Dai, Dandan Zhang, Roberto Francisco-Yi Lu, Songping Chen, Xiangyou Hou, Qinglong Zeng, Lvhai Hu, Yun Liu, Changjun Wang
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Patent number: 11204603Abstract: A terminal insertion quality monitoring system includes an acceleration sensor disposed on a gripper of a terminal insertion equipment and configured to detect a dynamic acceleration of the gripper while using the gripper to insert a terminal into a housing, a control parameter acquisition device configured to acquire a plurality of control parameters of the terminal insertion equipment while inserting the terminal into the housing, and an artificial intelligence system adapted to classify the detected dynamic acceleration and the acquired control parameters into a plurality of different insertion modes by analyzing and calculating the detected dynamic acceleration and the acquired control parameters. The different insertion modes have a plurality of different grades of terminal insertion quality.Type: GrantFiled: September 12, 2019Date of Patent: December 21, 2021Assignees: TE Connectivity Corporation, Tyco Electronics (Shanghai) Co. Ltd.Inventors: Hongtao Liu, Dandan Zhang, Roberto Francisco-Yi Lu, Zongjie Tao, Changjun Wang, Lei Zhou, Lvhai Hu
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Patent number: 11175236Abstract: An image acquisition system includes a feeding unit supplying a product, a product pickup platform onto which the product is supplied by the feeding unit, and a camera capturing an image of the product on the product pickup platform. The camera identifies a position and an angle of the product based on the image. The image acquisition system includes a robot gripping the product from the product pickup platform based on the position and the angle identified by the camera and an image acquisition platform onto which the product is placed by the robot. An imaging microscope of the image acquisition system captures an image of a surface of the product facing upwards on the image acquisition platform and a computer stores the image of the surface of the product captured by the imaging microscope.Type: GrantFiled: September 11, 2019Date of Patent: November 16, 2021Assignees: Tyco Electronics (Shanghai) Co. Ltd., TE Connectivity CorporationInventors: Hongtao Liu, Dandan Zhang, Roberto Francisco-Yi Lu, Changjun Wang, Lei Zhou, Zongjie Tao
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Publication number: 20210197277Abstract: The present invention belongs to the technical field of metal materials for additive manufacturing, and relates to a Mn—Cu-based damping alloy powder for use in a selective laser melting (SLM) process and a preparation method thereof. The powder has chemical components in percent by weight as follows: C: ?0.15%, Ni: 4.9-5.2%, Si: ?0.15%, Fe: 1.8-5.0%, Cu: 20-23%, P: ?0.03%, S: ?0.06%, and the balance being Mn and inevitable impurities. The preparation method includes: preparation of master alloy, powdering by vacuum induction melting gas atomization (VIGA), mechanical vibrating and air classification screening under protection of an inert gas and collecting. Compared with the prior art, the powder of the present invention has a high sphericity, a high apparent density, a small angle of repose, a desired fluidity and a relatively high yield of fine powders having a size of 15-53 ?m.Type: ApplicationFiled: December 29, 2020Publication date: July 1, 2021Inventors: Changjun Wang, Yongqing Sun, Zhenbao Liu, Jianxiong Liang, Zhiyong Yang, Jie Su, Chunxu Wang, Wenhui LI, Conghui Ma, Jiaqi Hu, Yong Li, Shun Han, Jing Ning, Qi Gao
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Patent number: 10875075Abstract: An automatic feeding system adapted to arrange a variety of components having different shapes comprises a storage apparatus and a first conveying device. The storage apparatus includes loaded storage devices loaded with the components and unloaded storage devices unloaded with the components. The first conveying apparatus includes a pair of first support frames disposed opposite to each other, a loading conveying apparatus mounted between the first support frames and configured to convey the unloaded storage devices to a loading position to load the components thereon and change the unloaded storage devices to loaded storage devices, and an unloading conveying apparatus mounted between the first support frames and configured to receive the loaded storage devices conveyed from the loading position. The unloading conveying apparatus conveys the unloaded storage devices to the loading conveying apparatus after the components on the loaded storage devices are picked up by a pick-up apparatus.Type: GrantFiled: December 7, 2018Date of Patent: December 29, 2020Assignees: Tyco Electronics (Shanghai) Co. Ltd., TE Connectivity CorporationInventors: Changjun Wang, Dandan Zhang, Roberto Francisco-Yi Lu, Yingcong Deng, Lvhai Hu
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Patent number: 10591225Abstract: The utility model discloses a novel phase change heat storage device, comprising a housing, wherein the housing is internally provided with a lining; an insulating layer is disposed between the lining and the housing; the lining is internally filled in with a phase change material; a coiled pipe is embedded in the phase change material; the inlet and outlet of the coiled pipe both extend out of the lining and are respectively welded with and communicate with a main water inflow pipe and a main water outflow pipe, so all welds between the coiled pipe and the main water inflow pipe and main water outflow pipe are positioned outside the lining and are not soaked by the phase change material. The lining is provided with at least one partition board; the partition board divides the inner space of the lining into independent spaces such that the phase change material is respectively positioned in the independent spaces divided by the partition board.Type: GrantFiled: January 12, 2018Date of Patent: March 17, 2020Assignee: PIONEER ENERGY (JIANGSU) CO., LTD.Inventors: Li Sun, Hong Wang, Xiaolong Liu, Changjun Wang
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Publication number: 20200080944Abstract: An image acquisition system includes a feeding unit supplying a product, a product pickup platform onto which the product is supplied by the feeding unit, and a camera capturing an image of the product on the product pickup platform. The camera identifies a position and an angle of the product based on the image. The image acquisition system includes a robot gripping the product from the product pickup platform based on the position and the angle identified by the camera and an image acquisition platform onto which the product is placed by the robot. An imaging microscope of the image acquisition system captures an image of a surface of the product facing upwards on the image acquisition platform and a computer stores the image of the surface of the product captured by the imaging microscope.Type: ApplicationFiled: September 11, 2019Publication date: March 12, 2020Applicants: Tyco Electronics (Shanghai) Co. Ltd., TE Connectivity CorporationInventors: Hongtao Liu, Dandan Zhang, Roberto Francisco-Yi Lu, Changjun Wang, Lei Zhou, Zongjie Tao
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Publication number: 20200081429Abstract: A terminal insertion quality monitoring system includes an acceleration sensor disposed on a gripper of a terminal insertion equipment and configured to detect a dynamic acceleration of the gripper while using the gripper to insert a terminal into a housing, a control parameter acquisition device configured to acquire a plurality of control parameters of the terminal insertion equipment while inserting the terminal into the housing, and an artificial intelligence system adapted to classify the detected dynamic acceleration and the acquired control parameters into a plurality of different insertion modes by analyzing and calculating the detected dynamic acceleration and the acquired control parameters. The different insertion modes have a plurality of different grades of terminal insertion quality.Type: ApplicationFiled: September 12, 2019Publication date: March 12, 2020Applicants: Tyco Electronics (Shanghai) Co. Ltd., TE Connectivity CorporationInventors: Hongtao Liu, Dandan Zhang, Roberto Francisco-Yi Lu, Zongjie Tao, Changjun Wang, Lei Zhou, Lvhai Hu
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Publication number: 20200052451Abstract: A welding system comprises a welding module and a moving module adapted to move the welding module to a predetermined welding position. The welding module includes a guiding device and a welding tool. The guiding device has a plurality of tubular guiding heads arranged in a row, ends of the plurality of tubular guiding heads are disposed close to joints of a plurality of cables so as to guide a plurality of welding wires to the joints of the plurality of cables. The welding tool has a plurality of tooth-shaped welding heads arranged in a row, ends of the plurality of tooth-shaped welding heads are disposed close to the joints of the plurality of cables and configured to simultaneously heat the plurality of welding wires guided to the joints of the plurality of cables, so as to simultaneously weld the joints of the plurality of cables onto a circuit board.Type: ApplicationFiled: August 6, 2019Publication date: February 13, 2020Applicants: Tyco Electronics (Shanghai) Co. Ltd., TE Connectivity CorporationInventors: Changjun Wang, Dandan Zhang, Roberto Francisco-Yi Lu, Lvhai Hu, Yun Liu, Fengchun Xie
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Patent number: 10479789Abstract: Disclosed in the present invention are a crystalline Form of pyrido[1,2-a]pyrimidone analog, a preparation method therefor and an intermediate thereof.Type: GrantFiled: December 16, 2016Date of Patent: November 19, 2019Assignee: Chia Tai Tianqing Pharmaceutical Group Co., Ltd.Inventors: Tao Yu, Ning Li, Lingwei Kong, Peipei Jiang, Yong Wang, Zhemin Rong, Changjun Wang, Feng Guo, Zongbin Li, Zheng Wang, Jiahu Wu, Chengde Wu
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Publication number: 20190176210Abstract: An automatic feeding system adapted to arrange a variety of components having different shapes comprises a storage apparatus and a first conveying device. The storage apparatus includes loaded storage devices loaded with the components and unloaded storage devices unloaded with the components. The first conveying apparatus includes a pair of first support frames disposed opposite to each other, a loading conveying apparatus mounted between the first support frames and configured to convey the unloaded storage devices to a loading position to load the components thereon and change the unloaded storage devices to loaded storage devices, and an unloading conveying apparatus mounted between the first support frames and configured to receive the loaded storage devices conveyed from the loading position. The unloading conveying apparatus conveys the unloaded storage devices to the loading conveying apparatus after the components on the loaded storage devices are picked up by a pick-up apparatus.Type: ApplicationFiled: December 7, 2018Publication date: June 13, 2019Applicants: Tyco Electronics (Shanghai) Co. Ltd., TE Connectivity CorporationInventors: Changjun Wang, Dandan Zhang, Roberto Francisco-Yi Lu, Yingcong Deng, Lvhai Hu
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Publication number: 20190124804Abstract: A positioning device that has a support table, two pairs of sliding blocks slidably mounted in the support table, a positioning plate extending vertically at the top of each sliding block, a base on which the support table is supported, a cylinder in the base, a ball in the cylinder, a piston rod slidably mounted in the cylinder and pushing the ball to move upward in a vertical direction, so that the ball drives the two pairs of sliding blocks to move away from each other in the first horizontal direction and the second horizontal direction, respectively, until the positioning plates of the two pairs of sliding blocks abut against four inner walls of the opening of the circuit board, respectively, to allow the electronic device to be received in a positioning slot defined by the positioning plates, and a release mechanism that drives the piston rod to move downward in the vertical direction to allow the two pairs of sliding blocks to be moved toward each other in the first horizontal direction and the secondType: ApplicationFiled: October 24, 2018Publication date: April 25, 2019Applicants: Tyco Electronics (Shanghai) Co. Ltd., Shenzhen AMI Technology Co., Ltd., TE Connectivity Corporation, Measurement Specialties (China) Ltd.Inventors: Zhiyong Dai, Dandan Zhang, Roberto Francisco-Yi Lu, Songping Chen, Xiangyou Hou, Qinglong Zeng, Lvhai Hu, Yun Liu, Changjun Wang
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Publication number: 20180319799Abstract: Disclosed in the present invention are a crystalline Form of pyrido[1,2-a]pyrimidone analog, a preparation method therefor and an intermediate thereof,Type: ApplicationFiled: December 16, 2016Publication date: November 8, 2018Inventors: Tao Yu, Ning Li, Lingwei Kong, Peipei Jiang, Yong Wang, Zhemin Rong, Changjun Wang, Feng Guo, Zongbin Li, Zheng Wang, Jiahu Wu, Chengde Wu
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Publication number: 20180135919Abstract: The utility model discloses a novel phase change heat storage device, comprising a housing, wherein the housing is internally provided with a lining; an insulating layer is disposed between the lining and the housing; the lining is internally filled in with a phase change material; a coiled pipe is embedded in the phase change material; the inlet and outlet of the coiled pipe both extend out of the lining and are respectively welded with and communicate with a main water inflow pipe and a main water outflow pipe, so all welds between the coiled pipe and the main water inflow pipe and main water outflow pipe are positioned outside the lining and are not soaked by the phase change material. The lining is provided with at least one partition board; the partition board divides the inner space of the lining into independent spaces such that the phase change material is respectively positioned in the independent spaces divided by the partition board.Type: ApplicationFiled: January 12, 2018Publication date: May 17, 2018Inventors: Li SUN, Hong WANG, Xiaolong LIU, Changjun WANG