Patents by Inventor Jiyue Zeng
Jiyue Zeng 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: 11526151Abstract: A method, an apparatus and a device for generating a ruled surface machining path, and a medium relate to the field of numerical control machining technologies. The method includes: acquiring each target ruled surface in a three-dimensional diagram of a target workpiece to be machined; generating a mathematical model of each target ruled surface according to each target ruled surface; determining a current machining speed according to the mathematical model and preset machining process parameters; and calculating machining path data corresponding to the target ruled surface according to the current machining speed. The technical problems of large errors and lack of control and compensation on natural defects of “soft knife” machining in the existing ruled surface machining method are solved. The beneficial effects of reducing errors of ruled surface machining and improving control and compensation on the natural defects of “soft knife” machining are obtained.Type: GrantFiled: January 10, 2018Date of Patent: December 13, 2022Assignees: YANGTZE RIVER DELTA RESEARCH INSTITUTE OF NPU, INSTITUTE OF NPUInventors: Jiyue Zeng, Shaocheng Sha, Shijin Zhang
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Publication number: 20200159187Abstract: A method, an apparatus and a device for generating a ruled surface machining path, and a medium relate to the field of numerical control machining technologies. The method includes: acquiring each target ruled surface in a three-dimensional diagram of a target workpiece to be machined; generating a mathematical model of each target ruled surface according to each target ruled surface; determining a current machining speed according to the mathematical model and preset machining process parameters; and calculating machining path data corresponding to the target ruled surface according to the current machining speed. The technical problems of large errors and lack of control and compensation on natural defects of “soft knife” machining in the existing ruled surface machining method are solved. The beneficial effects of reducing errors of ruled surface machining and improving control and compensation on the natural defects of “soft knife” machining are obtained.Type: ApplicationFiled: January 10, 2018Publication date: May 21, 2020Applicant: SHANGHAI LIONSTEK CO., LTD.Inventors: JIYUE ZENG, SHAOCHENG SHA, SHIJIN ZHANG
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Patent number: 6932285Abstract: An improved orifice assembly for use with an ultra high pressure fluid jet cutting apparatus is disclosed. The improved orifice assembly generally includes an orifice body defining a central bore, a high pressure inlet cavity located at an upstream portion of the body, a mixing cavity located at a downstream portion of the body, and an abrasive material inlet bore that is in direct communication with the mixing cavity. The inlet or high pressure cavity preferably has a cylindrical cross section at the side wall portion and a generally flat bottom wall, with a constant radius transition portion between the side and bottom walls. A jeweled orifice is preferably located at the bottom wall and forms a portion thereof. A chamfer at the downstream portion of the mixing chamber permits appropriate coaxial alignment of a mixing tube with the jeweled orifice so as to preserve proper fluid flow characteristics.Type: GrantFiled: June 16, 2000Date of Patent: August 23, 2005Assignee: OMAX CorporationInventor: Jiyue Zeng
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Publication number: 20050017091Abstract: A vented abrasive water-jet nozzle including a nozzle body having an abrasive-material mixing cavity, a receiving portion having receiving surface that receives a vented water-jet forming assembly, and an airflow restriction orifice between the receiving portion and the abrasive-material mixing cavity defining a water-jet pathway. The nozzle also includes an air-vent inlet port, and an air-vent pathway coupled between the air-inlet port and the waterjet pathway. A vented water-jet forming assembly includes a body having two spaced-apart surfaces, the first surface including a portion that receives a high-pressure water source, and the second surface including a portion that engages a receiving surface of an abrasive water-jet nozzle, and a jewel having a water-jet forming orifice carried on the receiving portion of the first surface. The assembly also includes a bore, and an air-vent pathway, the bore coupling the orifice and the air-vent pathway.Type: ApplicationFiled: July 22, 2003Publication date: January 27, 2005Inventors: John Olsen, Jiyue Zeng, Scott Veenhuizen, Brian Guglielmetti
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Patent number: 6244927Abstract: A method and apparatus for sensing a pierce-through condition of a material made by a piercing force in which a shield surrounding a source of the piercing force is supplied with a gas supply to create a pressure within the shield means. A decrease in pressure caused within the shield by a pierce-through condition created by the piercing force is then detected. A method and apparatus for detecting the distance between a nozzle assembly for a machining process and a workpiece to be machined in which gas is supplied to a shield surrounding a nozzle assembly. An increase in pressure in the shield is detected as an open end of the shield approaches a workpiece to be machined. A method and apparatus for obtaining and maintaining a predetermined gap distance between nozzle assembly and a workpiece for a machining process are provided by further detecting when the pressure within the shield means reaches a pressure corresponding values and ranges.Type: GrantFiled: August 31, 1998Date of Patent: June 12, 2001Assignee: Ingersoll-Rand CompanyInventor: Jiyue Zeng
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Patent number: 6120351Abstract: A method for measuring the machinability of a material which includes piercing a hole through a material to be tested while simultaneously measuring a pierce time duration, T, of the piercing step, and calculating a machinability number from the pierce time duration. Also provided are methods for determining the machining speed of a material and for machining a material which calculate a machining speed for a material based upon the machinability number of the material. The methods used to measure the machinability number and calculate a machining speed for a particular material can include any combination of machining operations, including but not limited to AWJ cutting processes. Also provided is an apparatus which detects the time duration a piercing force takes to create a pierce-through condition through a material. The apparatus includes any of a pressure sensor, an acoustic sensor, an optical sensor, a load cell, a mechanical switch, and combinations thereof to measure the pierce-time duration.Type: GrantFiled: August 31, 1998Date of Patent: September 19, 2000Assignee: Ingersoll-Rand CompanyInventor: Jiyue Zeng
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Patent number: 6021682Abstract: A method for measuring the machinability of a material which includes piercing a hole through a material to be tested while simultaneously measuring a pierce time duration, T, of the piercing step, and calculating a machinability number from the pierce time duration. Also provided are methods for determining the machining speed of a material and for machining a material which calculate a machining speed for a material based upon the machinability number of the material. The methods used to measure the machinability number and calculate a machining speed for a particular material can include any combination of machining operations, including but not limited to AWJ milling processes. Also provided is an apparatus which detects the time duration a piercing force takes to create a pierce-through condition through a material. The apparatus includes any of a pressure sensor, an acoustic sensor, an optical sensor, a load cell, a mechanical switch, and combinations thereof to measure the pierce-time duration.Type: GrantFiled: August 31, 1998Date of Patent: February 8, 2000Assignee: Ingersoll-Rand CompanyInventor: Jiyue Zeng
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Patent number: 5854744Abstract: An abrasive waterjet cutting system is monitored and controlled by measuring at least one process parameter and using that measurement as a comparison with a running average of the process parameter as it may change over time. Optionally, the rate of change of the process parameter may also be used to signal an emergency condition, and extreme outer limits of the process parameter may be used to define unacceptable operating conditions.Type: GrantFiled: June 25, 1996Date of Patent: December 29, 1998Assignee: Ingersoll-Rand CompanyInventors: Jiyue Zeng, Jose P. Munoz