Patents by Inventor Qi Qiu
Qi Qiu 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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Publication number: 20240140131Abstract: A blackboard eraser cleaning device is provided and includes an outer shell (1). A cover (2) is arranged at the upper part of the outer shell (1), an inner shell (3) is arranged inside the outer shell (1). A clamping mechanism (19) is arranged at the upper end of the inner shell (3). A leaning station (8) is defined inside the clamping mechanism (19). A cylinder (9) is arranged around the clamping mechanism (19). A height adjustment mechanism (10) is arranged inside the outer shell (1). The height adjustment mechanism (10) includes a servo (101) arranged inside the outer shell (1) and located on a side of the inner shell (3). According to the present application, a variety of cleaning modes may be achieved to meet the actual usage of the blackboard eraser.Type: ApplicationFiled: July 24, 2023Publication date: May 2, 2024Inventors: QINMIN YANG, QI QIU, HAO CHEN, MINGBIN GONG
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Patent number: 11968769Abstract: A dielectric barrier discharging tube, which has a synergistic column of needle electrodes to utilize a plurality of channels to adsorb catalysts, is provided. The dielectric barrier discharging tube includes: a quartz tube, a high-voltage pole, an inner electrode, and a plurality discharging needle sets. Two catalytic blocks are arranged respectively on two sides of each set discharging needles. Each catalytic block defines at least one inclined inner channel and at least one inclined outer channel. A higher end of each channel faces towards the discharging needle, and a lower end of each channel faces towards the discharging needle.Type: GrantFiled: December 21, 2023Date of Patent: April 23, 2024Assignee: HANGZHOU CITY UNIVERSITYInventors: Qi Qiu, Pengfei Wang, Qinmin Yang, Hao Chen
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Patent number: 11951765Abstract: A blackboard eraser cleaning device is provided and includes an outer shell (1). A cover (2) is arranged at the upper part of the outer shell (1), an inner shell (3) is arranged inside the outer shell (1). A clamping mechanism (19) is arranged at the upper end of the inner shell (3). A leaning station (8) is defined inside the clamping mechanism (19). A cylinder (9) is arranged around the clamping mechanism (19). A height adjustment mechanism (10) is arranged inside the outer shell (1). The height adjustment mechanism (10) includes a servo (101) arranged inside the outer shell (1) and located on a side of the inner shell (3). According to the present application, a variety of cleaning modes may be achieved to meet the actual usage of the blackboard eraser.Type: GrantFiled: July 24, 2023Date of Patent: April 9, 2024Assignee: ZHEJIANG UNIVERSITYInventors: Qinmin Yang, Qi Qiu, Hao Chen, Mingbin Gong
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Publication number: 20240092760Abstract: The present disclosure provides compounds that are cGAS antagonists, methods of preparation of the compounds, pharmaceutical compositions comprising the compounds, and their use in medical therapy.Type: ApplicationFiled: June 13, 2023Publication date: March 21, 2024Inventors: Jian QIU, Qi WEI, Matt TSCHANTZ, Heping SHI, Youtong WU, Huiling TAN, Lijun SUN, Chuo CHEN, Zhijian CHEN
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Publication number: 20240084533Abstract: The present disclosure provides a soft ground cleaning vehicle, including a main body frame; wherein each of both sides of the main body frame is arranged with a screw propulsion mechanism, and a lower portion of each of the both sides of the main body frame is arranged with a bottom frame; a power assembly is arranged on the bottom frame, and an extension frame is arranged on a lower portion of the bottom frame; the extension frame is arranged with a rotation assembly; a plastic track is arranged on the power assembly and the rotation assembly; a plurality of stand plates are arranged on an outer strip surface of the plastic track.Type: ApplicationFiled: November 22, 2023Publication date: March 14, 2024Inventors: QI QIU, HAO CHEN, MINGBIN GONG, YANGFANG WU, PENGFEI WANG, WEN YU, JUN ZHANG
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Patent number: 11895764Abstract: A dielectric barrier discharge tube includes a quartz tube, the middle of the quartz tube is sleeved with a high-voltage electrode, an inner electrode is arranged in the quartz tube, a drive fan is arranged at the end of the inner electrode, a discharging needle set is arranged on the surface of the inner electrode, and a spiral discharging wire is suspended and arranged at the tip of the discharging needle set. After a high voltage electric field is applied to the high voltage electrode, the discharging needle set and the spiral discharging wire discharge, the discharging needle set and the spiral discharging wire discharge at different time points. When the gas passes through the driving fan, the flow direction of the gas is changed. A cyclone can be generated to drive the gas to flow towards the discharging area.Type: GrantFiled: July 2, 2023Date of Patent: February 6, 2024Assignee: HANGZHOU CITY UNIVERSITYInventors: Qi Qiu, Pengfei Wang, Qinmin Yang
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Publication number: 20240006162Abstract: A plasma reactor, configured to process low temperature plasma, includes: a rotating reactor, a fixed reactor, and a master tube. An end of the master tube is connected to two branched tubes, one of the two branched tubes is connected to the rotating reactor, and the other one of the two branched tubes is connected to the fixed reactor. When a flow rate of inlet gas is less than a threshold defined by a flow detector, all the gas enters the rotating reactor from one of the two branched tubes. When the flow rate of the inlet gas is greater than the threshold of the flow detector, a valve is configured to operate to allow a part of the inlet gas that exceeds the threshold to enter the fixed reactor from the other one of the two branched tubes.Type: ApplicationFiled: February 13, 2023Publication date: January 4, 2024Inventors: QI QIU, PENGFEI WANG, JIAHONG FU, XINGLIANG LIU, ZHAOZHE DENG
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Patent number: 11786863Abstract: A low-temperature plasma reactor having an adaptive rotating electrode includes a frame. A reaction tube is arranged inside the frame. A fixing cover is arranged on each of two sides of the frame. The fixing cover defines a through hole communicating with an inside of the reaction tube. The through hole in one of the two sides serves as an air inlet hole, and the through hole in the other one of the two sides serves as an air outlet hole. A rotatable inner electrode is arranged inside the reaction tube, a plurality of groups of discharging needles are arranged on a surface of the inner electrode. A rotating fan is arranged on the inner electrode and is disposed on a side of the air inlet hole. The gas flow drives the inner electrode and the discharging needles to rotate, and a motor drive is not required.Type: GrantFiled: February 13, 2023Date of Patent: October 17, 2023Assignee: HANGZHOU CITY UNIVERSITYInventors: Qi Qiu, Pengfei Wang, Jiahong Fu, Xingliang Liu, Zhaozhe Deng
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Patent number: 11685041Abstract: A robot having four screw propeller barrels and able to walk on all types of terrains is provided and includes: a housing, wherein each of four corners of the housing is arranged with a driving shaft, four driving shafts are arranged for the four corners and form a rectangle and are connected to a motor, a rotation surface of the driving shaft is parallel to a same vertical surface. An end of the driving shaft is arranged with a connection base, the connection base is arranged with a shaftless motor, an output end of the shaftless motor has a rotation surface perpendicular to the rotation surface of the driving shaft. The output end of the shaftless motor is arranged with a connection bracket, a bottom surface of the connection bracket is arranged with a plurality of connection rings arranged successively along a straight line.Type: GrantFiled: December 30, 2022Date of Patent: June 27, 2023Assignee: HANGZHOU CITY UNIVERSITYInventors: Qi Qiu, Xu Miao, Qianwei Hu, Hao Chen
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Patent number: 11533043Abstract: A method for predicting impedance of a voltage source converter under variable operating points is disclosed, pertaining to the field of analysis of small signal stability in an electrical power system. When the parameters and topology of the control system are fully unknown, the theoretical expression of impedance cannot be applied to a voltage source converter, and impedance is highly dependent on operating points. A fully decoupled impedance model disclosed is constructed in this disclosure.Type: GrantFiled: March 25, 2021Date of Patent: December 20, 2022Assignee: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Qi Qiu, Meng Zhan, Yifan Huang, Yayao Zhang
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Publication number: 20220200579Abstract: A method for predicting impedance of a voltage source converter under variable operating points is disclosed, pertaining to the field of analysis of small signal stability in an electrical power system. When the parameters and topology of the control system are fully unknown, the theoretical expression of impedance cannot be applied to a voltage source converter, and impedance is highly dependent on operating points. A fully decoupled impedance model disclosed is constructed in this disclosure.Type: ApplicationFiled: March 25, 2021Publication date: June 23, 2022Inventors: Qi QIU, Meng ZHAN, Yifan HUANG, Yayao ZHANG
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Patent number: 9552955Abstract: An electron source includes a plurality of electron emission cathodes and at least one control electrode. A gate current regulator is provided for regulation of current flowing through the at least one control electrode.Type: GrantFiled: November 7, 2011Date of Patent: January 24, 2017Assignees: SIEMENS HEALTHCARE GMBH, NURAY TECHNOLOGY CO, LTD.Inventors: Moritz Beckmann, Walter Beyerlein, Andreas Böhme, Yuan Cheng, Jens Fürst, Markus Hemmerlein, Houman Jafari, Jürgen Oelschlegel, Qi Qiu, Frank Sprenger
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Patent number: 9057692Abstract: A device for measuring refractive index of medium based on optical delay technology comprises: a signal processing and controlling module, an optical transmitter module, and an optical receiver module, wherein the signal processing and controlling module controls the optical transmitter module to transmit an optical signal having a certain wavelength; the optical signal is injected into a medium to be measured; the optical signal is transmitted and delayed by the medium; the optical receiver module receives the optical signal delayed, and transforms the optical signal delayed into a electrical signal; the electrical signal is amplified and transmitted to the signal processing and controlling module; the signal processing and controlling module measures a delay time between transmitting and receiving the optical signal; and the refractive index of the medium at the certain wavelength is calculated based on the delay time and a known length of the medium.Type: GrantFiled: October 30, 2013Date of Patent: June 16, 2015Assignee: University of Electronic Science and Technology of ChinaInventor: Qi Qiu
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Patent number: 8734011Abstract: The present invention discloses distributed optical fiber temperature sensor based on optical fiber delay technology, including a tunable optical transmitter module, an optical receiver module, a signal processing and controlling module and multiple distributed sensing modules connected in series via transmission fibers. The multiple wavelengths optical signals transmitted from the tunable optical transmitter module respectively are transmitted into the first sensing module, and then transmitted out from the last sensing module. The output multiple wavelengths optical signals arrive at the optical receiver module. The optical receiver module converts optical signals of all wavelengths into electrical signals and transmits them into the signal processing and controlling module.Type: GrantFiled: May 6, 2012Date of Patent: May 27, 2014Assignee: University of Electronic Science and Technology of ChinaInventors: Qi Qiu, Jun Su, Shuangjin Shi, Yun Liao, Caidong Xiong
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Publication number: 20140118726Abstract: A device for measuring refractive index of medium based on optical delay technology comprises: a signal processing and controlling module, an optical transmitter module, and an optical receiver module, wherein the signal processing and controlling module controls the optical transmitter module to transmit an optical signal having a certain wavelength; the optical signal is injected into a medium to be measured; the optical signal is transmitted and delayed by the medium; the optical receiver module receives the optical signal delayed, and transforms the optical signal delayed into a electrical signal; the electrical signal is amplified and transmitted to the signal processing and controlling module; the signal processing and controlling module measures a delay time between transmitting and receiving the optical signal; and the refractive index of the medium at the certain wavelength is calculated based on the delay time and a known length of the medium.Type: ApplicationFiled: October 30, 2013Publication date: May 1, 2014Applicant: University of Electronic Science and Technology of ChinaInventor: Qi Qiu
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Publication number: 20130148691Abstract: The present invention discloses distributed optical fiber temperature sensor based on optical fiber delay technology, including a tunable optical transmitter module, an optical receiver module, a signal processing and controlling module and multiple distributed sensing modules connected in series via transmission fibers. The multiple wavelengths optical signals transmitted from the tunable optical transmitter module respectively are transmitted into the first sensing module, and then transmitted out from the last sensing module. The output multiple wavelengths optical signals arrive at the optical receiver module. The optical receiver module converts optical signals of all wavelengths into electrical signals and transmits them into the signal processing and controlling module.Type: ApplicationFiled: May 6, 2012Publication date: June 13, 2013Inventors: Qi Qiu, Jun Su, Shuangjin Shi, Yun Liao, Caidong Xiong
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Publication number: 20120286692Abstract: An electron source includes a plurality of electron emission cathodes and at least one control electrode. A gate current regulator is provided for regulation of current flowing through the at least one control electrode.Type: ApplicationFiled: November 7, 2011Publication date: November 15, 2012Inventors: Moritz BECKMANN, Walter BEYERLEIN, Andreas BÖHME, Yuan CHENG, Jens FÜRST, Markus HEMMERLEIN, Houman JAFARI, Jürgen OELSCHLEGEL, Qi QIU, Frank SPRENGER
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Patent number: 8155262Abstract: Methods, systems, and computer program products for multiplexing computed tomography are disclosed. According to one aspect, the subject matter described herein can include illuminating an object with a plurality of x-ray beams from a plurality of viewing angles, wherein each x-ray beam has a distinct waveform; detecting the x-ray intensities of the plurality of pulsed x-ray beams as a function of time, and extracting individual projection image data from the detected x-ray intensities based on the distinct waveforms of the x-ray beams for combining the projection image data to generate three-dimensional tomographic image data of the object.Type: GrantFiled: September 22, 2006Date of Patent: April 10, 2012Assignees: The University of North Carolina at Chapel Hill, Xintek, Inc.Inventors: Otto Z. Zhou, Jianping Lu, Jian Zhang, Guang Yang, Yueh Lee, Qi Qiu, Yuan Cheng
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Publication number: 20100239064Abstract: Methods, systems, and computer program products for multiplexing computed tomography are disclosed. According to one aspect, the subject matter described herein can include illuminating an object with a plurality of x-ray beams from a plurality of viewing angles, wherein each x-ray beam has a distinct waveform; detecting the x-ray intensities of the plurality of pulsed x-ray beams as a function of time, and extracting individual projection image data from the detected x-ray intensities based on the distinct waveforms of the x-ray beams for combining the projection image data to generate three-dimensional tomographic image data of the object.Type: ApplicationFiled: September 22, 2006Publication date: September 23, 2010Inventors: Otto Z. Zhou, Jianping Lu, Jian Zhang, Guang Yang, Yueh Lee, Qi Qiu, Yuan Cheng
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Patent number: 7618300Abstract: Carbon nanotube material having an outer diameter less than 10 nm and a number of walls less than ten are disclosed. Also disclosed are an electron field emission device including a substrate, an optionally layer of adhesion-promoting layer, and a layer of electron field emission material. The electron field emission material includes a carbon nanotube having a number of concentric graphene shells per tube of from two to ten, an outer diameter from 2 to 8 nm, and a nanotube length greater than 0.1 microns. One method to fabricate carbon nanotubes includes the steps of (a) producing a catalyst containing Fe and Mo supported on MgO powder, (b) using a mixture of hydrogen and carbon containing gas as precursors, and (c) heating the catalyst to a temperature above 950° C. to produce a carbon nanotube.Type: GrantFiled: December 16, 2004Date of Patent: November 17, 2009Assignees: Duke University, Xintek, Inc.Inventors: Jie Liu, Chunsheng Du, Cheng Qian, Bo Gao, Qi Qiu, Otto Z. Zhou