Patents by Inventor De Chen
De Chen 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).
-
Publication number: 20260061361Abstract: A heating tube for supporting the combustion of a fuel and an oxidant includes a tubular wall for containing a gas flow through the heating tube and a catalyst, contained by the tubular wall, for catalysing a combustion reaction of a gaseous fuel and a gaseous oxidant.Type: ApplicationFiled: August 18, 2023Publication date: March 5, 2026Inventors: Asbjørn STRAND, Kumar Ranjan ROUT, De CHEN
-
Publication number: 20260001061Abstract: A method for preparing glycolic acid from waste polyester plastic comprises: (1) mixing waste polyester plastic, a hydrolyzing agent, a solvent, and a catalyst in a reactor, and then adding a gas containing oxygen for reaction; (2) filtering and washing a reaction product to obtain terephthalic acid and oxidation product, wherein the oxidation product comprises glycolic acid. The catalyst comprises a metal element Au and a second metal oxide, and the second metal oxide is one compound or more compounds selected from a group consisting of NiO, TiO2, CeO2, ZrO2, and MgO. The catalyst can be used for depolymerizing and oxidizing waste polyester plastics in one pot to prepare glycolic acid.Type: ApplicationFiled: June 27, 2025Publication date: January 1, 2026Applicant: CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)Inventors: Hao YAN, Qinghai CHEN, Xiang FENG, Kai ZHAO, Yibin LIU, Xin ZHOU, De CHEN, Chaohe YANG
-
Publication number: 20250340784Abstract: Disclosed herein is a method of preparing hydrogen and liquid fuel from a feedstock that comprises plastics, the method comprising: generating a first gas stream, that is a pyrolysis gas, by performing a pyrolysis process on the feedstock; condensing some of the first gas stream to generate a second gas stream and pyrolysis oil, wherein the second gas stream is a light component of the pyrolysis gas; performing a reforming process on the second gas stream to generate hydrogen; and generating liquid fuel by performing a hydrogenation process on the pyrolysis oil; wherein the hydrogenation process reacts the pyrolysis oil with at least some of the generated hydrogen by the reforming process.Type: ApplicationFiled: May 16, 2023Publication date: November 6, 2025Applicant: Quantafuel ASAInventors: Kumar R ROUT, De CHEN, Lars Erik FAREID, Erik FAREID
-
Patent number: 12449400Abstract: A detection method based on a battery defect detection system, a system and a storage medium are disclosed. The detection method includes: acquiring a scanning trigger signal, and controlling an ultrasonic transceiver and a motion control platform to work, so that the ultrasonic transceiver receives waveform data of ultrasonic waves passing through a cell; controlling an oscilloscope to collect the waveform data; receiving the waveform data and performing imaging processing to obtain an imaging diagram; and detecting whether or not the cell has a defect according to the imaging diagram.Type: GrantFiled: November 14, 2022Date of Patent: October 21, 2025Assignee: Guangdong Lyric Robot Automation Co., Ltd.Inventors: De Chen, Qihui Lu, Peng Fan
-
Publication number: 20250281904Abstract: Disclosed herein is a solid sorbent for use in a carbon dioxide capture process, the sorbent comprising a solid sorbent support that comprises pores; and secondary amines that are covalently attached to the solid sorbent support, wherein the secondary amines are confined inside the pores of the solid sorbent support and are present at a density that is greater than 4 amine groups/nm2. Also disclosed herein is a method of preparing the solid sorbent of the invention, a method for the regeneration of the solid sorbent of the invention, the use of the solid sorbent in the adsorption of carbon dioxide, and the use of the solid sorbent in a carbon dioxide capture process that employs temperature swing adsorption with carbon dioxide purge as a desorption strategy.Type: ApplicationFiled: July 26, 2023Publication date: September 11, 2025Inventors: De Chen, Kumar Ranjan Rout, Dumitrita Spinu
-
Publication number: 20250256959Abstract: A method of generating fuel for use in a combustor of a gas turbine includes generating an exhaust gas by a first combustor, generating reformate comprising hydrogen, and generating a fuel that is a gas mixture of the reformate and exhaust gas from the first combustor, and using the fuel in a combustor in a gas turbine. The reformate may be generated in dependence on at least some of the heat generated by the first combustor. The method may also include supplying air that has not been oxygen depleted and combusting the supplied air and fuel in the combustor of the gas turbine.Type: ApplicationFiled: April 30, 2025Publication date: August 14, 2025Applicant: Amtech ASInventors: Asbjørn STRAND, Kumar Ranjan Rout, De Chen
-
Patent number: 12234522Abstract: A method for controlling carbide network in a bearing steel wire rod by controlling cooling and rolling, comprises the following steps: rapidly rolling a bar to a wire rod and spinning it into a loose coil, controlling the rolling temperature at 780° C.-880° C.; and the spinning temperature at 750° C.-850° C.; carrying out on-line controlling cooling of continuous loose coils using EDC water bath austempering cooling process, controlling the cooling rate at 2.0° C./s-10° C./s, and controlling the final cooling temperature within 620-630° C.; after EDC water bath austempering cooling, using slow cooling under a cover, and the temperature is controlled to be 400° C.-500° C. when being removed out of the cover; after slow cooling, collecting coils, and cooling in air to the room temperature.Type: GrantFiled: November 8, 2019Date of Patent: February 25, 2025Assignees: JIANGYIN XINGCHENG GOLD MATERIALS CO., LTD, JIANGYIN XINGCHENG SPECIAL STEEL WORKS CO., LTDInventors: Lin Zhang, Jianfeng Zhang, Changhe Lu, Yuehui Guan, Guozhong Li, Xiaohong Xu, Yun Bai, Hao Zong, Jiafeng He, De Chen, Zhen Huang, Jia Yang
-
Publication number: 20240399583Abstract: Provided are an obstacle detection method and apparatus, a device and a storage medium. The obstacle detection method may include: determining a detection planar region according to a mobile robot and a target position, wherein a distance from a point in the detection planar region to a connecting line between the mobile robot and the target position does not exceed a detection fixed value; determining a shortest distance from an obstacle to the connecting line between the mobile robot and the target position based on a vector distance method; and determining whether the obstacle is present in the detection planar region according to a result of comparison of the shortest distance with the detection fixed value.Type: ApplicationFiled: December 20, 2022Publication date: December 5, 2024Inventors: De Chen, Shaolei Zhong, Hai Wang, Dechao Wang, Changpeng Ding
-
Patent number: 12145212Abstract: The present disclosure discloses a pressure detection assembly and an ultrasonic welding device, the pressure detection assembly includes a first connecting piece, a second connecting piece, a detection unit and an elastic member, wherein the first connecting piece is provided with a first guide portion; the second connecting piece is connected to the first connecting piece, and the second connecting piece is provided with a second guide portion matched with the first guide portion; the detection unit is provided between the first connecting piece and the second connecting piece, and the detection unit is configured to collect the pressure value between the first connecting piece and the second connecting piece; and the elastic member is connected between the first connecting piece and the second connecting piece, wherein the elastic member can make the first connecting piece and the second connecting piece clamp the detection unit.Type: GrantFiled: February 25, 2022Date of Patent: November 19, 2024Assignee: GUANGDONG LYRIC ROBOT AUTOMATION CO., LTD.Inventors: De Chen, Qihui Lu, Peng Fan, Junxiong Zhou, Yixian Du
-
Patent number: 12131512Abstract: A product positioning method includes collecting a product image of a product, dividing the product image into a plurality of rectangular regions, performing integral image calculation on each rectangular region to obtain a plurality of integral images, forming n integral image regions each having four said integral images with two adjacent sides of each of the four said integral images connecting with one side of other two images of the four said integral images, numbering the four said integral images clockwise or counterclockwise, performing differential calculation on each integral image region to obtain a differential value according to the four said integral images, obtaining coordinates of a vertex of the product according to the differential values, and performing position correction on the product image according to obtained coordinates of the vertex and coordinates of a target vertex.Type: GrantFiled: November 18, 2021Date of Patent: October 29, 2024Inventors: Yixian Du, Gang Wang, De Chen, Jinjin Shi
-
Publication number: 20240157468Abstract: The present disclosure discloses a pressure detection assembly and an ultrasonic welding device, the pressure detection assembly includes a first connecting piece, a second connecting piece, a detection unit and an elastic member, wherein the first connecting piece is provided with a first guide portion; the second connecting piece is connected to the first connecting piece, and the second connecting piece is provided with a second guide portion matched with the first guide portion; the detection unit is provided between the first connecting piece and the second connecting piece, and the detection unit is configured to collect the pressure value between the first connecting piece and the second connecting piece; and the elastic member is connected between the first connecting piece and the second connecting piece, wherein the elastic member can make the first connecting piece and the second connecting piece clamp the detection unit.Type: ApplicationFiled: February 25, 2022Publication date: May 16, 2024Inventors: De CHEN, Qihui LU, Peng FAN, Junxiong ZHOU, Yixian DU
-
Publication number: 20240102966Abstract: A detection method based on a battery defect detection system, a system and a storage medium are disclosed. The detection method includes: acquiring a scanning trigger signal, and controlling an ultrasonic transceiver and a motion control platform to work, so that the ultrasonic transceiver receives waveform data of ultrasonic waves passing through a cell; controlling an oscilloscope to collect the waveform data; receiving the waveform data and performing imaging processing to obtain an imaging diagram; and detecting whether or not the cell has a defect according to the imaging diagram.Type: ApplicationFiled: November 14, 2022Publication date: March 28, 2024Inventors: De Chen, Qihui Lu, Peng Fan
-
Patent number: 11890576Abstract: Disclosed herein is a method of regenerating a sorbent of gas in a capture process of said gas, wherein the capture process comprises recirculating the sorbent between a gas capturing system and regenerating reactor system, the method comprising the regenerating reactor system performing the steps of: receiving a solid sorbent to be regenerated, wherein the sorbent is a sorbent of carbon dioxide gas; generating heat by combusting a fuel with an oxidising agent in the presence of a catalyst; regenerating the sorbent by using the generated heat to indirectly heat the sorbent so that the sorbent releases carbon dioxide gas; outputting the regenerated sorbent; and outputting the released carbon dioxide gas. Advantages of the gas capture system include a higher efficiency than known techniques.Type: GrantFiled: March 8, 2018Date of Patent: February 6, 2024Assignee: FJELL BIODRY ASInventors: De Chen, Kumar Ranjan Rout, Asbjørn Strand
-
Patent number: 11801497Abstract: The present invention relates to processes for the preparation of biofuel from biomass by fast hydropyrolysis or fast pyrolysis, using hydrogen generated by sorption enhanced steam reforming. The present invention also relates to fixed bed tandem catalytic-upgrading processes, and reactors and hydrodeoxygenation (HDO) catalysts useful in those processes.Type: GrantFiled: January 15, 2020Date of Patent: October 31, 2023Assignees: NORWEGIAN UNIVERSITY OF SCIENCE AND TECHNOLOGY NTNU, SINTEF AS, QUANTAFUEL ASAInventors: De Chen, Kumar Ranjan Rout, Isaac Yeboah
-
Patent number: 11759746Abstract: Disclosed herein is a gas capture system that includes a gas inlet arranged to receive a gas flow into the system; a gas outlet arranged to provide a gas flow out of the system; a gas capture region for mass transfer between a gas and a sorbent of the gas; and a sorbent regeneration region for regenerating the sorbent by heating the sorbent so that the sorbent releases a gas.Type: GrantFiled: December 17, 2018Date of Patent: September 19, 2023Assignee: FJELL BIODRY ASInventors: Asbjørn Strand, Kumar Ranjan Rout, De Chen
-
WELDING QUALITY DETECTION SYSTEM AND ULTRASONIC WELDING DEVICE, AND WELDING QUALITY DETECTION METHOD
Publication number: 20230158610Abstract: A welding quality detection system and an ultrasonic welding device, and a welding quality detection method are disclosed. The welding quality detection system includes a detection module, a control module and a display module. The detection module is configured for collecting a transverse friction force and a longitudinal welding pressure of a welded workpiece. The control module is electrically connected with the detection module, and the control module is configured for receiving, analyzing and processing a transverse friction force signal and a longitudinal welding pressure signal of the detection module. The display module is electrically connected with the control module, and the display module is configured for displaying analysis results of the control module. According to the application, a welding quality of the welded workpiece can be effectively detected, and a welding defect can be found in real time.Type: ApplicationFiled: February 25, 2022Publication date: May 25, 2023Applicant: Guangdong Lyric Robot Automation Co., Ltd.Inventors: Junxiong Zhou, Yixian Du, De Chen, Qihui Lu, Peng Fan -
Publication number: 20230060156Abstract: A fully automatic mask production line is disclosed, including a mask material loading device, a folding device, a nose wire loading device, a mask body forming device, a mask overturning and conveying device, an ear loop welding device and a collecting device. The mask material loading device is adjacent to the folding device, the nose wire loading device is adjacent to the folding device, a feeding end of the mask body forming device is arranged opposite to the nose wire loading device and the folding device respectively, the mask overturning and conveying device is adjacent to the mask body forming device, and the ear loop welding device and the collecting device are respectively arranged on a conveying path and a conveying tail end of the mask overturning and conveying device.Type: ApplicationFiled: June 18, 2020Publication date: March 2, 2023Inventors: Junxiong Zhou, Junjie Zhou, Yixian Du, Zanbin Yao, Haisheng Cai, De Chen, Jian Luo
-
Publication number: 20220364199Abstract: A method for controlling carbide network in a bearing steel wire rod by controlling cooling and rolling, comprises the following steps: rapidly rolling a bar to a wire rod and spinning it into a loose coil, controlling the rolling temperature at 780° C.-880° C.; and the spinning temperature at 750° C.-850° C.; carrying out on-line controlling cooling of continuous loose coils using EDC water bath austempering cooling process, controlling the cooling rate at 2.0° C./s-10° C./s, and controlling the final cooling temperature within 620-630° C.; after EDC water bath austempering cooling, using slow cooling under a cover, and the temperature is controlled to be 400° C.-500° C. when being removed out of the cover; after slow cooling, collecting coils, and cooling in air to the room temperature.Type: ApplicationFiled: November 8, 2019Publication date: November 17, 2022Applicants: JIANGYIN XINGCHENG GOLD MATERIALS CO., LTD, JIANGYIN XINGCHENG SPECIAL STEEL WORKS CO., LTDInventors: Lin ZHANG, Jianfeng ZHANG, Changhe LU, Yuehui GUAN, Guozhong LI, Xiaohong XU, Yun BAI, Hao ZONG, Jiafeng HE, De CHEN, Zhen HUANG, Jia YANG
-
Publication number: 20220136700Abstract: Disclosed herein is a fuel for use in a combustor of a gas turbine, wherein the fuel is a gas mixture that comprises hydrogen and exhaust gas from a total combustor.Type: ApplicationFiled: February 14, 2020Publication date: May 5, 2022Applicant: AMTECH ASInventors: Asbjørn STRAND, Kumar Ranjan ROUT, De CHEN
-
Publication number: 20220076428Abstract: A product positioning method includes: collecting a product picture; performing integral image calculation on the product picture; and acquiring, according to the calculated integral image, coordinates of each vertex in the product picture by means of differential calculation. According to the present application, an integral image algorithm is applied to product positioning, such that when the product picture quality is not high, for example, the picture is blurry, and it is thus not convenient to position a product by using a picture edge algorithm or a template matching algorithm, the product picture and a background region can be quickly divided by using the integral image algorithm, thereby positioning the product and not being limited by poor picture quality.Type: ApplicationFiled: November 18, 2021Publication date: March 10, 2022Inventors: Yixian Du, Gang Wang, De Chen, Jinjin Shi