Patents by Inventor Zhi Xia
Zhi Xia 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: 11610803Abstract: The present disclosure provides a mounting fixture of a bearing ring for a wafer. The bearing ring includes a circular ring portion, screw elements, and multiple permanent seats, wherein the circular ring portion includes a ring body and multiple lugs provided with light holes, each of the permanent seats is provided with a threaded hole, and one of the screw elements can be in threaded connection with the threaded hole after passing through a light hole. The mounting fixture includes a first clamp body and a second clamp body, where the first clamp body is provided with a first circular hole portion and first groove portions; a diameter of the first circular hole portion is greater than or equal to an external diameter of the ring body; the second clamp body is provided with second groove portions penetrating through the second clamp body.Type: GrantFiled: July 12, 2021Date of Patent: March 21, 2023Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.Inventor: Zhi Xia
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Publication number: 20220293449Abstract: The present disclosure provides a mounting fixture of a bearing ring for a wafer. The bearing ring includes a circular ring portion, screw elements, and multiple permanent seats, wherein the circular ring portion includes a ring body and multiple lugs provided with light holes, each of the permanent seats is provided with a threaded hole, and one of the screw elements can be in threaded connection with the threaded hole after passing through a light hole. The mounting fixture includes a first clamp body and a second clamp body, where the first clamp body is provided with a first circular hole portion and first groove portions; a diameter of the first circular hole portion is greater than or equal to an external diameter of the ring body; the second clamp body is provided with second groove portions penetrating through the second clamp body.Type: ApplicationFiled: July 12, 2021Publication date: September 15, 2022Inventor: Zhi XIA
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Patent number: 9431170Abstract: A 0.2Ss class special-type high-voltage measuring current transformer belongs to a field of current transformer. An iron core includes two kinds of “L”-shaped sheets with the same size, wherein a ratio of a long side to a short side of each “L”-shaped sheet is 3:2; a first kind of the “L”-shaped sheets are permalloy sheets (1) and a second kind of the “L”-shaped sheets are cold rolled silicon steel sheets (2); and required windings are wound on each side of the iron core. Sheets of the iron core of the current transformer include the permalloy sheets and the cold rolled silicon steel sheets, which improves performance of the iron core. Utilizing structural characteristics of the iron core of different materials, a fractional turn compensation of coils is formed, which realizes a precise measurement.Type: GrantFiled: August 2, 2013Date of Patent: August 30, 2016Assignees: JILIN PROVINCE ELECTRIC POWER RESERCH INSTITUTE, JILIN PROVINCE ELECTRIC POWER RESERCH INSTITUTE LTD., STATE GRID COMPANYInventors: Shixiang Zhao, Ming Ao, Liwei Zhou, Jianrong Yang, Wenzhan Cai, Zhongbao Feng, Ping Ren, Junxin Zhao, Zhi Xia
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Publication number: 20150348704Abstract: 0.2Ss class special-type high-voltage measuring current transformer belongs to a field of current transformer. An iron core includes two kinds of “L”-shaped sheets with the same size, wherein a ratio of a long side to a short side of each “L”-shaped sheet is 3:2; a first kind of the “L”-shaped sheets are permalloy sheets (1) and a second kind of the “L”-shaped sheets are cold rolled silicon steel sheets (2); and required windings are wound on each side of the iron core. Sheets of the iron core of the current transformer include the permalloy sheets and the cold rolled silicon steel sheets, which improves performance of the iron core. Utilizing structural characteristics of the iron core of different materials, a fractional turn compensation of coils is formed, which realizes a precise measurement.Type: ApplicationFiled: August 2, 2013Publication date: December 3, 2015Inventors: Shixiang Zhao, Ming Ao, Liwei Zhou, Jianrong Yang, Wenzhan Cai, Zhongbao Feng, Ping Ren, Junxin Zhao, Zhi Xia
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Patent number: 8851873Abstract: An automatic circle forming apparatus adapted for automatically forming OPP (O-phenylphenol) plastic circles includes a lower equipment cabinet, a first base plate, a transmitting module, an automatic separating module, an automatic tearing film module, a sucking waste mechanism, a displacement module, an automatic forming module and an upper equipment cabinet. The upper equipment cabinet is positioned on the first base plate for installing the transmitting module, the automatic separating module, the automatic tearing film module, the sucking waste mechanism, the displacement module and the automatic forming module therein.Type: GrantFiled: May 10, 2012Date of Patent: October 7, 2014Assignee: Cheng Uei Precision Industry Co., Ltd.Inventors: Ai-Jun Yan, Wei Wang, Wen-Zhi Xia
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Publication number: 20130302461Abstract: An automatic circle forming apparatus adapted for automatically forming OPP (O-phenylphenol) plastic circles includes a lower equipment cabinet, a first base plate, a transmitting module, an automatic separating module, an automatic tearing film module, a sucking waste mechanism, a displacement module, an automatic forming module and an upper equipment cabinet. The upper equipment cabinet is positioned on the first base plate for installing the transmitting module, the automatic separating module, the automatic tearing film module, the sucking waste mechanism, the displacement module and the automatic forming module therein.Type: ApplicationFiled: May 10, 2012Publication date: November 14, 2013Applicant: Cheng Uei Precision Industry Co., LTDInventors: AI-JUN YAN, Wei Wang, Wen-Zhi Xia
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Patent number: 8517245Abstract: An automatic soldering machine adapted for soldering cables with electronic products includes a main frame module, a man-machine control interface, a sliding tray located in front of the man-machine control interface, a loading tool slidably disposed in the sliding tray, a feeding module close to a bottom of the sliding tray, a removing module located between the man-machine control interface and a reforming module, a container, a loading tool combination module located above the sliding tray, a spraying module located in rear of the sliding tray, and a loading tool reflow module mounted on a rear of the main frame module. The man-machine control interface is connected with and controls the loading tool, the feeding module, the removing module, the reforming module, the loading tool combination module, the spraying module and the loading tool reflow module for realizing an automatic soldering process of the electronic products and the cables.Type: GrantFiled: April 17, 2012Date of Patent: August 27, 2013Assignee: Cheng Uei Precision Industry Co., Ltd.Inventors: Ai-Jun Yan, Wei Wang, Wen-Zhi Xia
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Patent number: 8181588Abstract: An automatic reversing-reposition rocker arm includes a rocker arm body, and the rocker arm body is a steel box beam. A rocker arm pivoting shaft is attached on a middle of the body. The rocker arm body has a ballast tank, a water inlet, and a water outlet. The ballast tank is located in a back end of the rocker arm body. The water inlet is located in an upper edge of the ballast tank. The water outlet is located in a lower edge of the ballast tank. A left side and a right side of a lengthwise forth end of the rocker arm pivoting shaft match each other, and a plurality of connecting devices are attached on the forth end of the rocker arm body. A plurality of gas-liquid buffers connects with the rocker arm body via the connecting devices.Type: GrantFiled: October 25, 2009Date of Patent: May 22, 2012Assignees: China National Offshore Oil Corp., China Offshore Oil Engineering Co., LtdInventors: Zhi Xia Fan, Ru Hua Yuan, Hui Xu, Tao Geng, Huai Liang Li, Yong Li Li, Qing Ren Shen
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Publication number: 20110094434Abstract: An automatic reversing-reposition rocker arm includes a rocker arm body, and the rocker arm body is a steel box beam. A rocker arm pivoting shaft is attached on a middle of the body. The rocker arm body has a ballast tank, a water inlet, and a water outlet. The ballast tank is located in a back end of the rocker arm body. The water inlet is located in an upper edge of the ballast tank. The water outlet is located in a lower edge of the ballast tank. A left side and a right side of a lengthwise forth end of the rocker arm pivoting shaft match each other, and a plurality of connecting devices are attached on the forth end of the rocker arm body. A plurality of gas-liquid buffers connects with the rocker arm body via the connecting devices.Type: ApplicationFiled: October 25, 2009Publication date: April 28, 2011Applicants: CHINA NATIONAL OFFSHORE OIL CORP, CHINA OFFSHORE OIL ENGINEERING CO.,LTDInventors: Zhi Xia Fan, Ru Hua Yuan, Hui Xu, Tao Geng, Huai Liang Li, Yong Li Li, Qing Ren Shen
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Publication number: 20070249661Abstract: The invention relates to compounds of formula (I): or a pharmaceutically acceptable salt, solvate, clathrate, or prodrug thereof wherein X, Y, A, Z, L and n are defined herein. These compounds are useful as immunosuppressive agents and for treating and preventing inflammatory conditions and immune disorders.Type: ApplicationFiled: September 21, 2005Publication date: October 25, 2007Applicant: Synta Pharmaceuticals Corp.Inventors: Shoujun Chen, Jun Jiang, Hao Li, David James, Dinesh Chimmanamada, Christopher Borella, Lijun Sun, Yu Xie, Mats Holmqvist, Jerome Mahiou, Zhi Xia
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Patent number: 5785141Abstract: A motorcycle chassis having two axially aligned internally threaded pin receiving bushings secured in axially aligned passages extending through opposed sides of the motorcycle chassis;a swing arm having opposed ends in which are positioned bearings, the bearing having axially aligned pin receiving apertures;a pair of mounting pins, each of the mounting pins having a first end, a second end, and an externally threaded body, the externally threaded body being sized to mate with the internally threaded pin receiving bushings;a sleeve having a first end, a second end, an external diameter sized to fit within the passages of the motorcycle chassis and an internal diameter slightly larger than the external diameter of the body of the mounting pin, such that the sleeve slides over the mounting pin, the second end of the sleeve having a flange;threaded main body of each of the mounting pins being mated with the internally threaded pin receiving bushings in the motorcycle chassis until the first end of the mounting pType: GrantFiled: January 15, 1997Date of Patent: July 28, 1998Assignees: John Lehman, Larry David StricchukInventors: Steven Breitkreutz, David Zhi Xia