Patents by Inventor Chunqiang Zhang
Chunqiang 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: 11970928Abstract: A fracturing device, including a power unit, wherein the power unit comprises a muffling compartment, a turbine engine, an air intake unit, and a starter; the air intake unit is communicated with the turbine engine through an intake pipe, and configured to provide a combustion-supporting gas to the turbine engine; the air intake unit is located at the top of the muffling compartment, the muffling compartment comprises an accommodation space, the turbine engine and the starter are located in the accommodation space, and the starter is configured to start the turbine engine, the starter comprises a first electric motor.Type: GrantFiled: October 13, 2022Date of Patent: April 30, 2024Assignee: Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.Inventors: Peng Zhang, Rikui Zhang, Liang Lv, Xiaolei Ji, Chunqiang Lan, Yipeng Wu, Xincheng Li, Yuxuan Sun
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Patent number: 11952999Abstract: A plunger pump base and a plunger pump device. The plunger pump base includes a support assembly and an extension assembly. The support assembly includes a top plate, a bottom plate and a support frame, the top plate and the bottom plate are oppositely arranged at an interval, and the support frame is respectively fixed with the top plate and the bottom plate. The extension assembly includes an extension block, a first telescopic mechanism and a second telescopic mechanism. One end of the first telescopic mechanism is rotatably connected to the extension block, the other end of the first telescopic mechanism is rotatably connected to the top plate. One end of the second telescopic mechanism is rotatably connected to the extension block, and the other end of the second telescopic mechanism is rotatably connected to the bottom plate.Type: GrantFiled: June 28, 2021Date of Patent: April 9, 2024Assignee: Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.Inventors: Peng Zhang, Rikui Zhang, Xiaolei Ji, Chunqiang Lan, Sheng Chang, Liang Lv, Xincheng Li, Lintao Song, Weiqiang Liu
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Publication number: 20240093680Abstract: The present invention discloses a semi-trailer-loaded turbine fracturing equipment, which adopts a linear connection of the whole equipment and a special chassis design, so that the center of gravity is double lowered to guarantee its stability and safety, the structure is simpler, the investment and operation costs are decreased, the risk of total breakdown of the fracturing site is reduced, and the equipment has a good transmission performance and is suitable for continuous operation conditions with long time and heavy load.Type: ApplicationFiled: November 28, 2023Publication date: March 21, 2024Applicant: YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.Inventors: Rikui ZHANG, Sheng CHANG, Peng ZHANG, Chunqiang LAN, Yipeng WU, Xincheng LI, Xiance LI
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Patent number: 11920584Abstract: A continuous high-power turbine fracturing equipment may include a lubrication system, which may include a first lubrication unit configured to lubricate a plunger pump. The first lubrication unit may further include a high pressure lubrication unit. The high pressure lubrication unit may include a high pressure motor, a high pressure pump, and a high pressure oil line. The high pressure motor may be configured to drive the high pressure pump, which may be configured to pump high pressure lubricating oil into the high pressure oil line. The high pressure oil line may be configured to lubricate at least one of connecting rod bearing bushes or crosshead bearing bushes in the plunger pump.Type: GrantFiled: December 22, 2021Date of Patent: March 5, 2024Assignee: American Jereh International CorporationInventors: Xiaolei Ji, Rikui Zhang, Peng Zhang, Chunqiang Lan, Zhuqing Mao, Jianwei Wang, Mingchao Mao
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Patent number: 11913448Abstract: A high-power turbine fracturing system may include a lubrication system, which may include a first lubrication unit configured to lubricate a plunger pump. The first lubrication unit may further include a high-pressure lubrication unit. The high-pressure lubrication unit may include a high-pressure motor, a high-pressure pump, and a high-pressure oil line. The high-pressure motor may be configured to drive the high-pressure pump, which may be configured to pump high-pressure lubricating oil into the high-pressure oil line. The high-pressure oil line may be configured to lubricate at least one of connecting rod bearing bushes or crosshead bearing bushes in the plunger pump.Type: GrantFiled: September 26, 2022Date of Patent: February 27, 2024Assignee: American Jereh International CorporationInventors: Xiaolei Ji, Rikui Zhang, Peng Zhang, Chunqiang Lan, Zhuqing Mao, Jianwei Wang, Mingchao Mao
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Publication number: 20220366115Abstract: A general decoupling method and system for electromagnetic transient simulation of a VSC are provided. The method includes: determining state equations of equivalent circuits and switch state tables of different VSCs; splitting the state equations, and decoupling and delaying capacitor elements and inductor elements to determine split equations; determining a recurrence relation of a state variable group with respect to a time sequence based on each split equation; obtaining a topological structure of a to-be-simulated VSC, and determining a decoupling model circuit; determining a switch state of the to-be-simulated VSC at a current simulation moment, and constructing a final decoupling model circuit; determining an external port voltage based on the final decoupling model circuit; and updating the state variable group at the current simulation moment based on the external port voltage and the parameters of the decoupling model circuit corresponding to the switch state.Type: ApplicationFiled: November 30, 2021Publication date: November 17, 2022Inventors: Shujun Yao, Bohan Pang, Mingwang Xu, Ziwen Zeng, Zijian Qiu, Gang Liu, Chunqiang Zhang, Jiahao Ma, Yan Wang, Jin Liu, Yifan Yao, Mengtong Wu
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Patent number: 9784799Abstract: A multi-node synchronous on-site test method, the method comprising: using GPS time as time reference, and conducting synchronous on-site tests on the devices to be tested and systems distributed at different places at an appointed time; controlling the synchronous phase control simulation devices distributed at multiple nodes via a synchronous test control center; within a uniform time section, synchronously outputting secondary side AC simulation signals, and simulating various actual operating conditions, thus achieving the detection of the monitoring and control performances of various dynamic monitoring and control systems, and ensuring the normal functions of the systems. The method of the present invention is able to conduct multi-node dynamic simulation test with synchronized GPS time, and achieves the detection of large-area multi-node monitoring and control systems.Type: GrantFiled: May 2, 2012Date of Patent: October 10, 2017Assignee: JIANGXI ELECTRIC POWER SCIENCE RESEARCH INSTITUTEInventors: Maolin Pei, Ping Sun, Chunqiang Zhang, Jian Liu, Haimei Hu, Ming Zhu
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Publication number: 20150019156Abstract: A multi-node synchronous on-site test method, the method comprising: using GPS time as time reference, and conducting synchronous on-site tests on the devices to be tested and systems distributed at different places at an appointed time; controlling the synchronous phase control simulation devices distributed at multiple nodes via a synchronous test control center; within a uniform time section, synchronously outputting secondary side AC simulation signals, and simulating various actual operating conditions, thus achieving the detection of the monitoring and control performances of various dynamic monitoring and control systems, and ensuring the normal functions of the systems. The method of the present invention is able to conduct multi-node dynamic simulation test with synchronized GPS time, and achieves the detection of large-area multi-node monitoring and control systems.Type: ApplicationFiled: May 2, 2012Publication date: January 15, 2015Applicant: Jiangxi Electric Power Science Research InstituteInventors: Maolin Pei, Ping Sun, Chunqiang Zhang, Jian Liu, Haimei Hu, Ming Zhu