Patents by Inventor Renwei Yuan
Renwei Yuan 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: 11801536Abstract: A water wash system (200) for a gas turbine engine (100) having a fan (126) and a front hub (136), the front hub (136) can be rotated with the fan (126). The water wash system (200) generally includes a head unit (202) and a base assembly (204). The head unit (202) includes a mounting structure (206) and one or more wash fluid lines (208) for spraying a wash fluid into the gas turbine engine (100). The mounting structure (206) defines an inner friction surface (252) for contacting the front hub (136) of the gas turbine engine (100). Additionally, the base assembly (204) is operatively connected to the head unit (202) and is configured to press the head unit (202) towards the front hub (136) to fix the inner friction surface (252) against the front hub (136).Type: GrantFiled: September 30, 2016Date of Patent: October 31, 2023Assignee: General Electric CompanyInventors: Peng Wang, Renwei Yuan
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Patent number: 11717903Abstract: The present disclosure relates to an electrical discharge machining (EDM) device, and a method for machining a workpiece by the EDM device. The EDM device includes a spindle, a guide structure including a plurality of guideways, and a plurality of electrodes, the electrode coupled to the spindle via a flexible link, and slidably engaged with a respective one of the plurality of guideways.Type: GrantFiled: January 21, 2022Date of Patent: August 8, 2023Assignee: General Electric CompanyInventors: Renwei Yuan, Lei Li, Yuanyuan Guo, Peng Hu, Nouman Usmani
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Publication number: 20220143725Abstract: The present disclosure relates to an electrical discharge machining (EDM) device, and a method for machining a workpiece by the EDM device. The EDM device includes a spindle, a guide structure including a plurality of guideways, and a plurality of electrodes, the electrode coupled to the spindle via a flexible link, and slidably engaged with a respective one of the plurality of guideways.Type: ApplicationFiled: January 21, 2022Publication date: May 12, 2022Inventors: Renwei Yuan, Lei Li, Yuanyuan Guo, Peng Hu, Nouman Usmani
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Patent number: 11241750Abstract: The present disclosure relates to an electrical discharge machining (EDM) device, and a method for machining a workpiece by the EDM device. The EDM device includes a spindle, a guide structure including a plurality of guideways, and a plurality of electrodes, the electrode coupled to the spindle via a flexible link, and slidably engaged with a respective one of the plurality of guideways.Type: GrantFiled: April 17, 2019Date of Patent: February 8, 2022Assignee: General Electric CompanyInventors: Renwei Yuan, Lei Li, Yuanyuan Guo, Peng Hu, Nouman Usmani
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Patent number: 10974336Abstract: A method for profile machining comprises: providing an electrode having an electrode axis, a free axial end with an end face, and a peripheral surface other than the end face; energizing the electrode and a workpiece having a thickness, with one of the workpiece and the electrode as an anode and the other as a cathode; and machining the workpiece with the peripheral surface of the electrode, during which the peripheral surface and the electrode axis of the electrode are across the workpiece in a thickness direction thereof. In addition, an embodiment of present invention relates to a component machined by the method.Type: GrantFiled: April 22, 2016Date of Patent: April 13, 2021Assignee: GENERAL ELECTRIC COMPANYInventors: Renwei Yuan, Dong Liu, Lei Li
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Patent number: 10843283Abstract: An apparatus for electrically machining including a rotatable shaft and an electrode for electrically machining is disclosed. The electrode is movably connected to the rotatable shaft. When the rotatable shaft is rotated, the electrode rotates together with the rotatable shaft and moves relative to the rotatable shaft under an action of centrifugal force. Further disclosed is a method for electrically machining including: movably connecting an electrode to a rotatable shaft; inserting the rotatable shaft into a hole in a workpiece, and keeping a gap between the electrode and the workpiece, wherein the hole has a first diameter; powering on the electrode and the workpiece; rotating the rotatable shaft in the hole to generate centrifugal force; and pushing the electrode relative to the rotatable shaft towards the workpiece under an action of the centrifugal force to remove a portion of a material of the hole.Type: GrantFiled: June 23, 2016Date of Patent: November 24, 2020Assignee: GENERAL ELECTRIC COMPANYInventors: Renwei Yuan, Xiaobin Chen, Dong Liu, Yong Wu
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Patent number: 10661368Abstract: An apparatus includes an electrode assembly comprising a carriage having a plurality of electrode holders, the electrode holders being respectively configured to detachably receive a plurality of electrodes, the electrodes include a plurality of first electrodes and a plurality of second electrodes. The first electrodes are configured for rough machining a workpiece by electric discharging or wire electric discharging to remove material from the workpiece, the second electrodes are configured for finish machining the rough machined workpiece by electric discharging to remove material from the rough machined workpiece.Type: GrantFiled: March 27, 2017Date of Patent: May 26, 2020Assignee: General Electric CompanyInventors: Qing Gao, Renwei Yuan, Howard Paul Weaver, Richard Leigh Adrian, Xiaobin Chen
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Patent number: 10562119Abstract: A machining system for electromachining a workpiece that in one embodiment includes a machine tool, a cutting tool for performing the eletromachining, and a tool holding apparatus for conductively holding the cutting tool and coupled to the machine tool. The tool holding apparatus includes a holding element for holding the cutting tool and at least one solution releasing element. The solution releasing element is used to receive machining solution and release the machining solution onto a predetermined area of the cutting tool through at least one group of channels. Each group of channels includes at least two channels configured to respectively release the machining solution onto at least two adjacent sections in the predetermined area of the cutting tool.Type: GrantFiled: May 13, 2015Date of Patent: February 18, 2020Assignee: General Electric CompanyInventors: Lei Yang, Dong Liu, Renwei Yuan, Jianping Wu, Yuanfeng Luo, Howard Paul Weaver
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Publication number: 20200016633Abstract: A water wash system (200) for a gas turbine engine (100) having a fan (126) and a front hub (136), the front hub (136) can be rotated with the fan (126). The water wash system (200) generally includes a head unit (202) and a base assembly (204). The head unit (202) includes a mounting structure (206) and one or more wash fluid lines (208) for spraying a wash fluid into the gas turbine engine (100). The mounting structure (206) defines an inner friction surface (252) for contacting the front hub (136) of the gas turbine engine (100). Additionally, the base assembly (204) is operatively connected to the head unit (202) and is configured to press the head unit (202) towards the front hub (136) to fix the inner friction surface (252) against the front hub (136).Type: ApplicationFiled: September 30, 2016Publication date: January 16, 2020Inventors: Peng Wang, Renwei Yuan
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Publication number: 20190321902Abstract: The present disclosure relates to an electrical discharge machining (EDM) device, and a method for machining a workpiece by the EDM device. The EDM device includes a spindle, a guide structure including a plurality of guideways, and a plurality of electrodes, the electrode coupled to the spindle via a flexible link, and slidably engaged with a respective one of the plurality of guideways.Type: ApplicationFiled: April 17, 2019Publication date: October 24, 2019Inventors: Renwei Yuan, Lei Li, Yuanyuan Guo, Peng Hu, Nouman Usmani
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Patent number: 9981333Abstract: A method for manufacturing a rotary article comprises: providing a cold metal transfer welding apparatus comprising a welding torch; providing a rotary substrate; providing a digital representation of the rotary article having at least one internal flo passage; defining a welding path on the rotary substrate based on the digital representation; rotating the rotary substrate while depositing a filler metal layer by layer on the welding path of the rotary substrate to form the rotary article; and separating the rotary substrate from the rotary article.Type: GrantFiled: October 31, 2013Date of Patent: May 29, 2018Assignee: General Electric CompanyInventors: Wen Tan, Renwei Yuan, Hongyuan Shen, Lei Yang, Yong Liu, Zhixue Peng, Yanmin Li, Guoshuang Cai
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Publication number: 20180111210Abstract: An apparatus for electrically machining including a rotatable shaft and an electrode for electrically machining is disclosed. The electrode is movably connected to the rotatable shaft. When the rotatable shaft is rotated, the electrode rotates together with the rotatable shaft and moves relative to the rotatable shaft under an action of centrifugal force. Further disclosed is a method for electrically machining including: movably connecting an electrode to a rotatable shaft; inserting the rotatable shaft into a hole in a workpiece, and keeping a gap between the electrode and the workpiece, wherein the hole has a first diameter; powering on the electrode and the workpiece; rotating the rotatable shaft in the hole to generate centrifugal force; and pushing the electrode relative to the rotatable shaft towards the workpiece under an action of the centrifugal force to remove a portion of a material of the hole.Type: ApplicationFiled: June 23, 2016Publication date: April 26, 2018Inventors: Renwei YUAN, Xiaobin CHEN, Dong LIU, Yong WU
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Publication number: 20170282267Abstract: An apparatus includes an electrode assembly comprising a carriage having a plurality of electrode holders, the electrode holders being respectively configured to detachably receive a plurality of electrodes, the electrodes include a plurality of first electrodes and a plurality of second electrodes. The first electrodes are configured for rough machining a workpiece by electric discharging or wire electric discharging to remove material from the workpiece, the second electrodes are configured for finish machining the rough machined workpiece by electric discharging to remove material from the rough machined workpiece.Type: ApplicationFiled: March 27, 2017Publication date: October 5, 2017Inventors: Qing GAO, Renwei YUAN, Howard Paul WEAVER, Richard Leigh ADRIAN, Xiaobin CHEN
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Publication number: 20160311044Abstract: A method for profile machining comprises: providing an electrode having an electrode axis, a free axial end with an end face, and a peripheral surface other than the end face; energizing the electrode and a workpiece having a thickness, with one of the workpiece and the electrode as an anode and the other as a cathode; and machining the workpiece with the peripheral surface of the electrode, during which the peripheral surface and the electrode axis of the electrode are across the workpiece in a thickness direction thereof. In addition, an embodiment of present invention relates to a component machined by the method.Type: ApplicationFiled: April 22, 2016Publication date: October 27, 2016Inventors: Renwei YUAN, Dong LIU, Lei LI
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Publication number: 20160297024Abstract: A method for manufacturing a rotary article comprises: providing a cold metal transfer welding apparatus comprising a welding torch; providing a rotary substrate; providing a digital representation of the rotary article having at least one internal flow passage; defining a welding path on the rotary substrate based on the digital representation; rotating the rotary substrate while depositing a filler metal layer by layer on the welding path of the rotary substrate to form the rotary article; and separating the rotary substrate from the rotary article.Type: ApplicationFiled: October 31, 2013Publication date: October 13, 2016Inventors: Wen TAN, Renwei YUAN, Hongyuan SHEN, Lei YANG, Yong LIU, Zhixue PENG, Yanmin LI, Guoshuang CAI
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Publication number: 20150328705Abstract: A machining system for electromachining a workpiece that in one embodiment includes a machine tool, a cutting tool for performing the eletromachining, and a tool holding apparatus for conductively holding the cutting tool and coupled to the machine tool. The tool holding apparatus includes a holding element for holding the cutting tool and at least one solution releasing element. The solution releasing element is used to receive machining solution and release the machining solution onto a predetermined area of the cutting tool through at least one group of channels. Each group of channels includes at least two channels configured to respectively release the machining solution onto at least two adjacent sections in the predetermined area of the cutting tool.Type: ApplicationFiled: May 13, 2015Publication date: November 19, 2015Inventors: Lei YANG, Dong LIU, Renwei YUAN, Jianping WU, Yuanfeng LUO, Howard Paul WEAVER
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Patent number: 8999136Abstract: A Method and machine tool for compensating a wear of an electrode that machines a workpiece. The method includes selecting a current pocket from plural pockets of the workpiece; updating a wear compensation to be applied to the electrode for the current pocket based on wear compensation of a previous pocket, where the previous pocket is adjacent to the current pocket; and applying the updated wear compensation to the electrode for machining the current pocket.Type: GrantFiled: September 14, 2010Date of Patent: April 7, 2015Assignee: Nuovo Pignone S.p.A.Inventors: Ugo Cantelli, Garth M Nelson, Yuanfeng Luo, Yimin Zhan, Roberto Ciappi, Massimo Arcioni, Renwei Yuan
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Patent number: 8911599Abstract: A machining system is provided and includes a machining tool comprising a spindle, one or more electrodes configured to perform the electromachining, and one or more tool holding elements configure to conductively hold the respective one or more electrodes and be assembled onto the spindle of the machining tool. The machining system further comprises one or more adapters and one or more power sources configured to electrically connect to the respective one or more adapters and the workpiece. The one or more adapters are configured to conductively contact the respective one or more tool holding elements. Further, the machining system comprises one or more machining solution sources provided to pass one or more machining solutions between the workpiece and the respective one or more electrodes. A tool adapter assembly is also presented.Type: GrantFiled: January 20, 2011Date of Patent: December 16, 2014Assignee: General Electric CompanyInventors: Hongtao Li, Bin Wei, Xiaobin Chen, Steven Robert Hayashi, Renwei Yuan, Yuanfeng Luo
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Patent number: 8560110Abstract: An electroerosion control system includes a general CNC controller being configured for controlling a general CNC machine process, a power supply for energizing a tool electrode and a workpiece to be machined, an electroerosion controller electrically connecting with the power supply for controlling an output of the power supply, and adaptively and electrically connecting with the general CNC controller for communication thereof, and a sensor sensing real-time status information of a working gap between the tool electrode and the workpiece and for sending said real-time status information to said electroerosion controller. Said electroerosion controller automatically controls the electroerosion machining process through the general CNC controller according to the real-time status information of the working gap.Type: GrantFiled: June 9, 2010Date of Patent: October 15, 2013Assignee: General Electric CompanyInventors: Yimin Zhan, Renwei Yuan, Garth M. Nelson, Yuanfeng Luo, Jun Cai, Ugo Cantelli
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Patent number: 8471167Abstract: A rough machining method for machining a channel in a workpiece includes the steps of: provide a power supply to energize one of a workpiece and an electrode as an anode and the other as a cathode; advance the electrode into the workpiece from a first start point to travel a first toolpath, so as to generate a first annular groove with a first core connecting with the workpiece; advance the electrode into the workpiece from a second start point to travel a second toolpath, so as to generate a second annular groove with a second core connecting with the workpiece, wherein the second annular groove intersects with the first annular groove and the first and the second cores are at least partially broken and disconnected with the workpiece upon intersecting of the first and the second annular grooves; and circulating a cutting fluid cross a working gap between a working face of the electrode and the workpiece.Type: GrantFiled: April 7, 2008Date of Patent: June 25, 2013Assignee: General Electric CompanyInventors: Yuanfeng Luo, Garth Nelson, Ugo Cantelli, Renwei Yuan, Yimin Zhan