Patents by Inventor Luming Zhang
Luming 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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Patent number: 11615932Abstract: The present disclosure provides a pluggable connecting device for a contactor and a contactor, the contactor including a housing, a coil framework located inside the housing, the coil framework provided with a first and a second connecting sheet, and an electromagnetic coil wound on the coil framework, two ends of the electromagnetic coil electrically connected to the first and second connecting sheets. The pluggable connecting device includes an insulated connecting member, and a first and second conductive elements which are fixedly connected with the insulated connecting member. The first conductive element is provided with an insertion end and a wiring end which are arranged oppositely, the second conductive element is provided with an insertion end and a wiring end which are arranged oppositely, and the insertion ends of the first and second conductive elements are configured for connection with the first and second connecting sheets respectively in a pluggable manner.Type: GrantFiled: August 5, 2020Date of Patent: March 28, 2023Assignee: Eaton Electrical Ltd.Inventors: Luming Zhang, Guoyong Ping, Zhenzhen Yin, Zhengning Hu
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Patent number: 11456146Abstract: An anode target, a ray light source, a computed tomography device, and an imaging method, which relate to the technical field of ray processing. The anode target comprises a first anode target, a second anode target, and a ceramic plate. The first anode target is used for enabling, by means of a first voltage carried on the first anode target, an electron beam emitted by a cathode to generate a first ray on a target spot of the first anode target. The second anode target is used for enabling, by means of a second voltage carried on the second anode target, an electron beam emitted by the cathode to generate a second tray on a target spot of the second anode. The ceramic plate is used for isolating the first anode target from the second anode target. By means of the anode target, the ray light source, the computed tomography device and the imaging method, dual-energy distributed ray imaging data can be provided and the imaging quality of a ray system can be improved.Type: GrantFiled: September 13, 2018Date of Patent: September 27, 2022Assignees: Nuctech Company Limited, TSINGHUA UNIVERSITYInventors: Chengjun Tan, Wenhui Huang, Chuanxiang Tang, Qingxiu Jin, Dongsheng Zhang, Qun Luo, Donghai Liu, Luming Zhang, Peidong Wu
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Patent number: 11361923Abstract: The present utility model provides a contactor, comprising: a housing, including a first side plate and a second side plate disposed opposite to each other; a static iron core and a movable iron core located inside the housing, a coil bobbin fitted on the static iron core, a coil wound on the coil bobbin, an elastic device located between the coil bobbin and the movable iron core, and a moving contact and astatic contact disposed opposite to each other, wherein the coil bobbin includes a contact end surface facing the movable iron core and a first fixing part and a second fixing part fixed to edges of the contact end surface, length directions of the first fixing part and the second fixing part are parallel to the first side plate and the second side plate, the first fixing part is in contact with and connected to the first side plate, and the second fixing part is in contact with and connected to the second side plate.Type: GrantFiled: September 16, 2019Date of Patent: June 14, 2022Assignee: EATON ELECTRICAL LTD.Inventors: Zhenbo Chen, Luming Zhang, Guoyong Ping, Zhengning Hu
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Patent number: 11330695Abstract: An arrayed X-ray source and an X-ray imaging apparatus are described. An example X-ray source includes a housing and X-ray generators located in the housing. The X-ray generators are arranged in an array. The X-ray generators are provided separately from each other and configured to emit X-rays independently of each other.Type: GrantFiled: July 16, 2020Date of Patent: May 10, 2022Assignees: Tsinghua University, Nuctech Company LimitedInventors: Chengjun Tan, Wenhui Huang, Qingxiu Jin, Chuanxiang Tang, Donghai Liu, Qun Luo, Peidong Wu, Cheng Song, Yunze Ding, Cong Xu, Luming Zhang, Shuo Wang
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Patent number: 11315750Abstract: An anode target comprises: a plurality of target structures, used for receiving an electron beam emitted by a cathode to generate a ray, the plurality of target structures being of three-dimensional structures having bevels; a copper cooling body, used for bearing the target structures and comprising an oxygen-free copper cooling body; a cooling oil tube, used for cooling the anode target; and a shielding layer, used for achieving a shielding effect and comprising a tungsten shielding layer. The anode target, the ray light source, the computed tomography scanning device, and the imaging method in the present application are able to enable all target spots on the anode target to be distributed on a straight line, imaging quality of a ray system is improved, and complexity of an imaging system is reduced.Type: GrantFiled: June 1, 2018Date of Patent: April 26, 2022Assignees: Nuctech Company Limited, TSINGHUA UNIVERSITYInventors: Chengjun Tan, Wenhui Huang, Chuanxiang Tang, Qingxiu Jin, Dongsheng Zhang, Qun Luo, Donghai Liu, Luming Zhang, Peidong Wu
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Patent number: 11201030Abstract: A distributed X-ray light source comprises: a plurality of arranged cathode assemblies used for emitting electron beams; an anode target used for receiving the electron beams emitted by the cathode assemblies; and compensation electrodes and focusing electrodes provided in sequence between the plurality of the cathode assemblies and the anode target, the compensation electrode being used for adjusting electric field strength at two ends of a grid structure in each cathode assembly, and the focusing electrode being used for focusing the electron beams emitted by the cathode assemblies, wherein the focusing electrode corresponding to at least one cathode assembly in the plurality of the cathode assemblies comprises a first electrode and a second electrode which are separately provided, and an electron beam channel is formed between the first electrode and the second electrode.Type: GrantFiled: May 29, 2018Date of Patent: December 14, 2021Assignees: Nuctech Company Limited, TSINGHUA UNIVERSITYInventors: Chengjun Tan, Wenhui Huang, Chuanxiang Tang, Qingxiu Jin, Dongsheng Zhang, Qun Luo, Donghai Liu, Luming Zhang, Peidong Wu
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Patent number: 11170966Abstract: A distributed X-ray light source comprises: a plurality of arranged cathode assemblies used for emitting electron beams; an anode target used for receiving the electron beams emitted by the cathode assemblies; and compensation electrodes and focusing electrodes provided in sequence between the plurality of the cathode assemblies and the anode target, the compensation electrode being used for adjusting electric field strength at two ends of a grid structure in each cathode assembly, and the focusing electrode being used for focusing the electron beams emitted by the cathode assemblies, wherein the focusing electrode corresponding to at least one cathode assembly in the plurality of the cathode assemblies comprises a first electrode and a second electrode which are separately provided, and an electron beam channel is formed between the first electrode and the second electrode.Type: GrantFiled: May 29, 2018Date of Patent: November 9, 2021Assignees: Nuctech Company Limited, TSINGHUA UNIVERSITYInventors: Chengjun Tan, Wenhui Huang, Chuanxiang Tang, Qingxiu Jin, Dongsheng Zhang, Qun Luo, Donghai Liu, Luming Zhang, Peidong Wu
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Publication number: 20210084739Abstract: An arrayed X-ray source and an X-ray imaging apparatus are described. An example X-ray source includes a housing and X-ray generators located in the housing. The X-ray generators are arranged in an array. The X-ray generators are provided separately from each other and configured to emit X-rays independently of each other.Type: ApplicationFiled: July 16, 2020Publication date: March 18, 2021Inventors: Chengjun Tan, Wenhui Huang, Qingxiu Jin, Chuanxiang Tang, Donghai Liu, Qun Luo, Peidong Wu, Cheng Song, Yunze Ding, Cong Xu, Luming Zhang, Shuo Wang
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Publication number: 20210043405Abstract: The present disclosure provides a pluggable connecting device for a contactor and a contactor, the contactor including a housing, a coil framework located inside the housing, the coil framework provided with a first and a second connecting sheet, and an electromagnetic coil wound on the coil framework, two ends of the electromagnetic coil electrically connected to the first and second connecting sheets. The pluggable connecting device includes an insulated connecting member, and a first and second conductive elements which are fixedly connected with the insulated connecting member. The first conductive element is provided with an insertion end and a wiring end which are arranged oppositely, the second conductive element is provided with an insertion end and a wiring end which are arranged oppositely, and the insertion ends of the first and second conductive elements are configured for connection with the first and second connecting sheets respectively in a pluggable manner.Type: ApplicationFiled: August 5, 2020Publication date: February 11, 2021Inventors: Luming Zhang, Guoyong Ping, Zhenzhen Yin, Zhengning Hu
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Patent number: 10818464Abstract: An external grid-controlled hot cathode array electron gun, including an insulated cathode base, a filament, a plurality of hot cathode emission elements, and a grid-controlled structure is disclosed. In one aspect, the grid-controlled structure includes an insulated grid-controlled structure body and a plurality of through holes. One side of the grid-controlled structure body abuts against the cathode base to clamp the filament between the grid-controlled structure body and the cathode base and the plurality of hot cathode emission elements are inserted into the plurality of through holes respectively.Type: GrantFiled: December 27, 2019Date of Patent: October 27, 2020Assignees: Nuctech Company Limited, Tsinghua UniversityInventors: Wenhui Huang, Qingxiu Jin, Cong Xu, Luming Zhang, Donghai Liu, Cheng Song, Peidong Wu, Qun Luo, Chengjun Tan, Shuo Wang
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Publication number: 20200211806Abstract: An external grid-controlled hot cathode array electron gun, including an insulated cathode base, a filament, a plurality of hot cathode emission elements, and a grid-controlled structure is disclosed. In one aspect, the grid-controlled structure includes an insulated grid-controlled structure body and a plurality of through holes. One side of the grid-controlled structure body abuts against the cathode base to clamp the filament between the grid-controlled structure body and the cathode base and the plurality of hot cathode emission elements are inserted into the plurality of through holes respectively.Type: ApplicationFiled: December 27, 2019Publication date: July 2, 2020Inventors: Wenhui Huang, Qingxiu Jin, Cong Xu, Luming Zhang, Donghai Liu, Cheng Song, Peidong Wu, Qun Luo, Chengjun Tan, Shuo Wang
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Publication number: 20200170097Abstract: A distributed X-ray light source comprises: a plurality of arranged cathode assemblies used for emitting electron beams; an anode target used for receiving the electron beams emitted by the cathode assemblies; and compensation electrodes and focusing electrodes provided in sequence between the plurality of the cathode assemblies and the anode target, the compensation electrode being used for adjusting electric field strength at two ends of a grid structure in each cathode assembly, and the focusing electrode being used for focusing the electron beams emitted by the cathode assemblies, wherein the focusing electrode corresponding to at least one cathode assembly in the plurality of the cathode assemblies comprises a first electrode and a second electrode which are separately provided, and an electron beam channel is formed between the first electrode and the second electrode.Type: ApplicationFiled: May 29, 2018Publication date: May 28, 2020Applicants: Nuctech Company Limited, TSINGHUA UNIVERSITYInventors: Chengjun TAN, Wenhui HUANG, Chuanxiang TANG, Qingxiu JIN, Dongsheng ZHANG, Qun LUO, Donghai LIU, Luming ZHANG, Peidong WU
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Publication number: 20200168428Abstract: An anode target, a ray light source, a computed tomography device, and an imaging method, which relate to the technical field of ray processing. The anode target comprises a first anode target, a second anode target, and a ceramic plate. The first anode target is used for enabling, by means of a first voltage carried on the first anode target, an electron beam emitted by a cathode to generate a first ray on a target spot of the first anode target. The second anode target is used for enabling, by means of a second voltage carried on the second anode target, an electron beam emitted by the cathode to generate a second tray on a target spot of the second anode. The ceramic plate is used for isolating the first anode target from the second anode target. By means of the anode target, the ray light source, the computed tomography device and the imaging method, dual-energy distributed ray imaging data can be provided and the imaging quality of a ray system can be improved.Type: ApplicationFiled: September 13, 2018Publication date: May 28, 2020Applicants: Nuctech Company Limited, TSINGHUA UNIVERSITYInventors: Chengjun TAN, Wenhui HUANG, Chuanxiang TANG, Qingxiu JIN, Dongsheng ZHANG, Qun LUO, Donghai LIU, Luming ZHANG, Peidong WU
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Publication number: 20200168418Abstract: The present utility model provides a contactor, comprising: a housing, including a first side plate and a second side plate disposed opposite to each other; a static iron core and a movable iron core located inside the housing, a coil bobbin fitted on the static iron core, a coil wound on the coil bobbin, an elastic device located between the coil bobbin and the movable iron core, and a moving contact and astatic contact disposed opposite to each other, wherein the coil bobbin includes a contact end surface facing the movable iron core and a first fixing part and a second fixing part fixed to edges of the contact end surface, length directions of the first fixing part and the second fixing part are parallel to the first side plate and the second side plate, the first fixing part is in contact with and connected to the first side plate, and the second fixing part is in contact with and connected to the second side plate.Type: ApplicationFiled: September 16, 2019Publication date: May 28, 2020Inventors: Zhenbo Chen, Luming Zhang, Guoyong Ping, Zhengning Hu
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Publication number: 20200168426Abstract: An anode target comprises: a plurality of target structures, used for receiving an electron beam emitted by a cathode to generate a ray, the plurality of target structures being of three-dimensional structures having bevels; a copper cooling body, used for bearing the target structures and comprising an oxygen-free copper cooling body; a cooling oil tube, used for cooling the anode target; and a shielding layer, used for achieving a shielding effect and comprising a tungsten shielding layer. The anode target, the ray light source, the computed tomography scanning device, and the imaging method in the present application are able to enable all target spots on the anode target to be distributed on a straight line, imaging quality of a ray system is improved, and complexity of an imaging system is reduced.Type: ApplicationFiled: June 1, 2018Publication date: May 28, 2020Applicants: Nuctech Company Limited, TSINGHUA UNIVERSITYInventors: Chengjun TAN, Wenhui HUANG, Chuanxiang TANG, Qingxiu JIN, Dongsheng ZHANG, Qun LUO, Donghai LIU, Luming ZHANG, Peidong WU
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Publication number: 20200105449Abstract: The invention relates to a DC magnetic system and a power equipment, comprises a yoke and an armature. The yoke comprise a bent U-shaped magnetic conductive member and a cover plate with a hole connected to a top end of the magnetic conductive member. The armature with a laminated structure is inserted into the yoke through the hole in the cover plate, and a bottom surface of the armature is in contact with the magnetic conductive member.Type: ApplicationFiled: September 16, 2019Publication date: April 2, 2020Inventors: Zhengning Hu, Luming Zhang, Guoyong Ping
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Patent number: 9366610Abstract: The invention relates to a material hardness testing instrument, specifically to a portable digital display hardness tester, comprising a magnetic chuck, a support, a force measuring device, an indenter, an electronic circuit board, a digital display, and a force applying and indentation depth measuring device consisting of a hand wheel, a rotary encoder and a micrometric screw pair. The support is equipped with the rotary encoder. The micrometric nut is installed in a hole. The digital display is located in the front. The support is fixed on the magnetic chuck. The micrometric nut is internally provided with the micrometric screw. The rotating shaft of the rotary encoder is connected with the micrometric screw and rotates along with the micrometric screw. The upper end of the micrometric screw is connected with the hand wheel, while the lower end is connected with the force measuring device. The lower end of the force measuring device is connected with the indenter.Type: GrantFiled: March 12, 2013Date of Patent: June 14, 2016Assignee: SHENYANG TIANXING TESTING INSTRUMENTS CO., LTD.Inventors: Fenglin Zhang, Dan Wu, Liping Liu, Luming Zhang
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Publication number: 20140224003Abstract: The invention relates to a material hardness testing instrument, specifically to a portable digital display hardness tester, comprising a magnetic chuck, a support, a force measuring device, an indenter, an electronic circuit board, a digital display, and a force applying and indentation depth measuring device consisting of a hand wheel, a rotary encoder and a micrometric screw pair. The support is equipped with the rotary encoder, The micrometric nut is installed in a hole. The digital display is located in the front. The support is fixed on the magnetic chuck. The micrometric nut is internally provided with the micrometric screw. The rotating shaft of the rotary encoder is connected with the micrometric screw and rotates along with the micrometric screw. The upper end of the micrometric screw is connected with the hand wheel, while the lower end is connected with the force measuring device. The lower end of the force measuring device is connected with the indenter.Type: ApplicationFiled: March 12, 2013Publication date: August 14, 2014Inventors: Fenglin Zhang, Dan Wu, Liping Liu, Luming Zhang