Patents by Inventor Dawei Xu
Dawei Xu 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: 20250093544Abstract: Embodiments presented provide for modeling of wireline runs for hydrocarbon recovery operations. In embodiments, a run duration of wireline activities is split into a winch duration and a pass duration, wherein the pass duration is calculated using a machine learning model.Type: ApplicationFiled: September 14, 2023Publication date: March 20, 2025Inventors: Wei Li, Wenrui Li, Yang Zhang, Lihui Meng, Pan Xi, Dawei Xu, Daniel Gemmell
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Publication number: 20250075553Abstract: A system for a vehicle is provided. The system includes a door of the vehicle moveable about a pivot axis between an open position and a closed position. The system also includes a power actuator operable in one of a powered and a not powered. The power actuator is configured to move the door to a partially open position between the open position and the closed position in the powered mode and not move the door in the not powered mode. The pivot axis is selected to ensure the door remains at the partially open position whereat the door does not move towards the open position nor the closed position under an effect of gravity in response to the power actuator being in the not powered mode and the vehicle being on a surface being substantially level.Type: ApplicationFiled: September 4, 2024Publication date: March 6, 2025Inventors: Ryan HERMAN, Dawei XU, Joseph OSMIALOWSKI
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Publication number: 20230064344Abstract: A fluorosilicone surfactant, and a preparation method and a use thereof are provided. The preparation method of the fluorosilicone surfactant includes: mixing alkynol or a derivative thereof, an allylpolyether, and an alkenyl fluorine-containing monomer with hydrogen-containing silicone oil to allow a hydrosilylation reaction, where a structural formula of the hydrogen-containing silicone oil includes at least three Si—H bonds. The fluorosilicone surfactant prepared by the present disclosure has both excellent wettability and low-foaming performance.Type: ApplicationFiled: November 18, 2019Publication date: March 2, 2023Applicant: Corechem Corporation Holding Co., LtdInventors: Xinchao WANG, Dawei XU, Fanwei MENG
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Patent number: 11311905Abstract: An ultraviolet curing device and a control method thereof. The device comprises an ultraviolet light source and a controller connected by means of a cable. The ultraviolet light source is a water-cooled ultraviolet light source or an air-cooled ultraviolet light source. The controller is provided inside or outside of the ultraviolet light source. The ultraviolet light source comprises a shell (101), a copper substrate (103), multiple paths of LED chips (104), and a cooling assembly. The controller comprises a constant-current circuit board (105). The constant-current circuit board (105) performs multi-path constant-current control on the multiple paths of LED chips (104) to monitor anomaly of the voltage drop of the multiple paths of LED chip (104)s, thereby achieving control of the multiple paths of LED chips (104).Type: GrantFiled: March 29, 2018Date of Patent: April 26, 2022Assignee: JIANGSU GOODLED PRECISION OPTOELECTRONICS CO., LTDInventors: Wenxian Jiang, Jinhua Song, Xiaoxiao Gong, Jie Tu, Dawei Xu
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Publication number: 20220080455Abstract: An ultraviolet curing device and a control method thereof. The device comprises an ultraviolet light source and a controller connected by means of a cable. The ultraviolet light source is a water-cooled ultraviolet light source or an air-cooled ultraviolet light source. The controller is provided inside or outside of the ultraviolet light source. The ultraviolet light source comprises a shell (101), a copper substrate (103), multiple paths of LED chips (104), and a cooling assembly. The controller comprises a constant-current circuit board (105). The constant-current circuit board (105) performs multi-path constant -current control on the multiple paths of LED chips (104) to monitor anomaly of the voltage drop of the multiple paths of LED chip (104)s, thereby achieving control of the multiple paths of LED chips (104).Type: ApplicationFiled: March 29, 2018Publication date: March 17, 2022Inventors: Wenxian Jiang, Jinhua Song, Xiaoxiao Gong, Jie Tu, Dawei Xu
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Patent number: 11184279Abstract: A method and an apparatus for building a decision tree for packet classification are provided. According to an example of the present disclosure, a first type decision tree is generated by performing tree building for a classification rule set based on a non-template dimension of the classification rule set; a second type decision tree is generated by performing tree building for each leaf node in the first type decision tree based on a template dimension of the classification rule set; a plurality of leaf nodes that are mutually of the to each other in the first type decision tree are associated with a same second type decision tree. The plurality of leaf nodes that are SPSR to each other indicate that classification rule sets respectively included in the plurality of leaf nodes are SPSR to each other.Type: GrantFiled: August 29, 2018Date of Patent: November 23, 2021Assignee: New H3C Technologies Co., Ltd.Inventors: Dawei Xu, Kai Ren, Changzhong Ge
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Patent number: 10695819Abstract: The present disclosure discloses a method for forming a rim of a cast-spun aluminum alloy hub, that is, a special spinning composite machining method for forming a structure that the spokes and the inner wheel flange of the hub are cast and the middle of the rim is spun. The method can prevent the performance, strength and as-cast structure of the inner wheel flange from being destroyed, effectively improve the impact resistance of the cast-spun hub at the inner wheel flange, prevent the inner wheel flange of the cast-spun hub from cracking during radial impact and improve the performance of the spun structure of the rim, is beneficial to thinning the rim and realizes light weight of the rim.Type: GrantFiled: July 2, 2018Date of Patent: June 30, 2020Assignee: CITIC DICASTAL CO., LTD.Inventors: Haiping Chang, Lijuan Zhang, Shiwen Xu, Xuepu Yin, Hongwei Zhou, Zhixue Wang, Rui Li, Jin Zhang, Dawei Xu
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Publication number: 20200195552Abstract: A method and an apparatus for building a decision tree for packet classification are provided. According to an example of the present disclosure, a first type decision tree is generated by performing tree building for a classification rule set based on a non-template dimension of the classification rule set; a second type decision tree is generated by performing tree building for each leaf node in the first type decision tree based on a template dimension of the classification rule set; a plurality of leaf nodes that are mutually of the to each other in the first type decision tree are associated with a same second type decision tree. The plurality of leaf nodes that are SPSR to each other indicate that classification rule sets respectively included in the plurality of leaf nodes are SPSR to each other.Type: ApplicationFiled: August 29, 2018Publication date: June 18, 2020Inventors: Dawei XU, Kai REN, Changzhong GE
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Patent number: 10608014Abstract: A battery management chip circuit on the basis of an SOI process. The battery management chip circuit comprises a high-voltage multiplexer MUX, a voltage reference circuit, a Sigma-delta ADC (comprising an analog modulator and a digital filter), an SPI communication circuit, a function control circuit and a voltage value register. The battery management chip circuit is integrated on the basis of an SOI high-voltage process, and particularly, high-voltage MOS transistors adopted by the battery management chip circuit are high-voltage MOS device units on the basis of the SOI process. In addition, the present invention highlights the design of interface circuit-chopper circuit of the high-voltage multiplexer MUX and the Sigma-delta ADC, so as to describe the advantages such as decrease of difficulty of circuit design and reduction of layout area brought about when the present invention adopts the SOI process design and tape-out.Type: GrantFiled: July 1, 2016Date of Patent: March 31, 2020Assignee: SHANGHAI INSTITUTE OF MICROSYSTEM AND INFORMATION TECHNOLOGY, CHINESE ACADEMY OF SCIENCESInventors: Xinhong Cheng, Xinchang Li, Zhonghao Wu, Dawei Xu, Yuehui Yu
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Patent number: 10499462Abstract: The present application discloses an on-line induction heating device for a wheel blank, consisting of a frame, a servo motor, guide posts I, guide sleeves I, a lower fixed plate, a lifting top plate, a bearing seat, a jacking cylinder, a piston connecting rod, a top cone, reset springs, radial positioning blocks, upper fixed plates, induction heating cylinders, connecting rods, double-head fastening nuts, fixed slide rails, mounting plates, outer protective jackets, induction coils, a displacement sensor I, a compression cylinder, a guide sleeve II, a guide post II, a gland, pressure sensors, asbestos, a displacement sensor II, water inlet pipes, water outlet pipes, a roller bed, transverse sliding tables, positioning cylinders, a supporting plate and lifting cylinders.Type: GrantFiled: September 1, 2017Date of Patent: December 3, 2019Assignee: CITIC DICASTAL CO., LTDInventors: Haiping Chang, Zhixue Wang, Jin Zhang, Rui Li, Dawei Xu, Bowen Xue, Changhai Li
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Patent number: 10425343Abstract: In an example, a method for packet classification may include cyclically splitting an initial rule set to generate multiple rule subsets, performing tree building for each rule subset to obtain multiple decision trees. The cyclic splitting may select a target rule set having a highest global average overlap rate, from a rule set group which includes the initial rule set before the cyclic splitting and will include the multiple rule subsets after the cyclic splitting; split the target rule set according to a split point to obtain two rule sets; add the two rule sets into the rule set group to replace the target rule set; and continue to select a new target rule set from the rule set group, until the number of rule sets in the rule set group reaches a preset number.Type: GrantFiled: April 29, 2016Date of Patent: September 24, 2019Assignee: Hewlett Packard Enterprise Development LPInventors: Dawei Xu, Chushun Wei, Kai Ren
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Publication number: 20190283107Abstract: The present disclosure discloses a method for forming a rim of a cast-spun aluminum alloy hub, that is, a special spinning composite machining method for forming a structure that the spokes and the inner wheel flange of the hub are cast and the middle of the rim is spun. The method can prevent the performance, strength and as-cast structure of the inner wheel flange from being destroyed, effectively improve the impact resistance of the cast-spun hub at the inner wheel flange, prevent the inner wheel flange of the cast-spun hub from cracking during radial impact and improve the performance of the spun structure of the rim, is beneficial to thinning the rim and realizes light weight of the rim.Type: ApplicationFiled: July 2, 2018Publication date: September 19, 2019Inventors: Haiping Chang, Lijuan Zhang, Shiwen Xu, Xuepu Yin, Hongwei Zhou, Zhixue Wang, Rui Li, Jin Zhang, Dawei Xu
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Patent number: 10384311Abstract: A spinning roller surface laser reinforced processing forming method is provided. A spinning roller is normalized after forging, the normalizing temperature is controlled to 860-880 DEG C., and the heat preservation time is 40-60 minutes; the spinning roller forging blank is roughly processed to reserve a tolerance allowance of 0.5 mm on the designated working face; the spinning roller and workpiece contact surface reinforcing layer is made of Ni625+WC2, in which WC is more than 22%; a reinforcing layer having the thickness of 0.8 mm is clad with laser on the working face of the spinning roller, and the preheating temperature is controlled to 250-400 DEG C. before welding; the spinning roller laser clad reinforcing layer is rolled; and the rolled spinning roller is put into a thermal treatment furnace for thermal treatment, and quenching and tempering treatment, re-crystallization and residual stress elimination are performed.Type: GrantFiled: August 29, 2017Date of Patent: August 20, 2019Assignee: CITIC Dicastal CO., LTD.Inventors: Haiping Chang, Zhixue Wang, Shiyou Gao, Jin Zhang, Rui Li, Dawei Xu, Donghui Zhang
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Publication number: 20190157299Abstract: A battery management chip circuit on the basis of an SOI process. The battery management chip circuit comprises a high-voltage multiplexer MUX, a voltage reference circuit, a Sigma-delta ADC (comprising an analog modulator and a digital filter), an SPI communication circuit, a function control circuit and a voltage value register. The battery management chip circuit is integrated on the basis of an SOI high-voltage process, and particularly, high-voltage MOS transistors adopted by the battery management chip circuit are high-voltage MOS device units on the basis of the SOI process. In addition, the present invention highlights the design of interface circuit-chopper circuit of the high-voltage multiplexer MUX and the Sigma-delta ADC, so as to describe the advantages such as decrease of difficulty of circuit design and reduction of layout area brought about when the present invention adopts the SOI process design and tape-out.Type: ApplicationFiled: July 1, 2016Publication date: May 23, 2019Applicant: SHANGHAI INSTITUTE OF MICROSYSTEM AND INFORMATION TECHNOLOGY, CHINESE ACADEMY OF SCIENCESInventors: XINHONG CHENG, XINCHANG LI, ZHONGHAO WU, DAWEI XU, YUEHUI YU
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Publication number: 20180338353Abstract: The present application discloses an on-line induction heating device for a wheel blank, consisting of a frame, a servo motor, guide posts I, guide sleeves I, a lower fixed plate, a lifting top plate, a bearing seat, a jacking cylinder, a piston connecting rod, a top cone, reset springs, radial positioning blocks, upper fixed plates, induction heating cylinders, connecting rods, double-head fastening nuts, fixed slide rails, mounting plates, outer protective jackets, induction coils, a displacement sensor I, a compression cylinder, a guide sleeve II, a guide post II, a gland, pressure sensors, asbestos, a displacement sensor II, water inlet pipes, water outlet pipes, a roller bed, transverse sliding tables, positioning cylinders, a supporting plate and lifting cylinders.Type: ApplicationFiled: September 1, 2017Publication date: November 22, 2018Applicant: CITIC Dicastal CO.,LTDInventors: Haiping CHANG, Zhixue WANG, Jin ZHANG, Rui LI, Dawei XU, Bowen XUE, Changhai LI
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Publication number: 20180333802Abstract: A spinning roller surface laser reinforced processing forming method is provided. A spinning roller is normalized after forging, the normalizing temperature is controlled to 860-880 DEG C., and the heat preservation time is 40-60 minutes; the spinning roller forging blank is roughly processed to reserve a tolerance allowance of 0.5 mm on the designated working face; the spinning roller and workpiece contact surface reinforcing layer is made of Ni625+WC2, in which WC is more than 22%; a reinforcing layer having the thickness of 0.8 mm is clad with laser on the working face of the spinning roller, and the preheating temperature is controlled to 250-400 DEG C. before welding; the spinning roller laser clad reinforcing layer is rolled; and the rolled spinning roller is put into a thermal treatment furnace for thermal treatment, and quenching and tempering treatment, re-crystallization and residual stress elimination are performed.Type: ApplicationFiled: August 29, 2017Publication date: November 22, 2018Inventors: Haiping Chang, Zhixue Wang, Shiyou Gao, Jin Zhang, Rui Li, Dawei Xu, Donghui Zhang
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Publication number: 20180152385Abstract: In an example, a method for packet classification may include cyclically splitting an initial rule set to generate multiple rule subsets, performing tree building for each rule subset to obtain multiple decision trees. The cyclic splitting may select a target rule set having a highest global average overlap rate, from a rule set group which includes the initial rule set before the cyclic splitting and will include the multiple rule subsets after the cyclic splitting; split the target rule set according to a split point to obtain two rule sets; add the two rule sets into the rule set group to replace the target rule set; and continue to select a new target rule set from the rule set group, until the number of rule sets in the rule set group reaches a preset number.Type: ApplicationFiled: April 29, 2016Publication date: May 31, 2018Inventors: Dawei Xu, Chushun Wei, Kai Ren
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Patent number: 9522521Abstract: In various embodiments, an apparatus for separating a stacked arrangement including a first layer, a second layer and a release layer between the first layer and the second layer may be provided. The apparatus may include an attachment surface configured to suspend the stacked arrangement by attaching to the first layer. The apparatus may further include an actuating mechanism configured to form a curvature of the first layer by bending the attachment surface. The apparatus may also include a holder to hold an etchant for etching the release layer to separate the first layer from the second layer.Type: GrantFiled: April 17, 2013Date of Patent: December 20, 2016Assignee: Nanyang Technological UniversityInventors: Soon Fatt Yoon, Dawei Xu, Chiew Yong Yeo
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Publication number: 20150053352Abstract: In various embodiments, an apparatus for separating a stacked arrangement including a first layer, a second layer and a release layer between the first layer and the second layer may be provided. The apparatus may include an attachment surface configured to suspend the stacked arrangement by attaching to the first layer. The apparatus may further include an actuating mechanism configured to form a curvature of the first layer by bending the attachment surface. The apparatus may also include a holder to hold an etchant for etching the release layer to separate the first layer from the second layer.Type: ApplicationFiled: April 17, 2013Publication date: February 26, 2015Inventors: Soon Fatt Yoon, Dawei Xu, Chiew Yong Yeo
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Patent number: 8460976Abstract: The present invention relates to a manufacturing method of SOI devices, and in particular, to a manufacturing method of SOI high-voltage power devices.Type: GrantFiled: September 7, 2010Date of Patent: June 11, 2013Assignee: Shanghai Institute of Microsystem and Information Technology, Chinese Academy of SciencesInventors: Xinhong Cheng, Zhongjian Wang, Yuehui Yu, Dawei He, Dawei Xu, Chao Xia