Patents by Inventor Dongyu Wang
Dongyu Wang 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: 20240110095Abstract: The present disclosure belongs to the technical field of nanomaterial synthesis, and in particular, to a preparation method for a narrow-linewidth alloy quantum dot. The preparation method provided by the present disclosure includes the following steps: in a protective gas atmosphere, mixing a cadmium source, an organic ligand, and an organic solvent with a first selenium source for a nucleation reaction to obtain an organic solution of a CdSe quantum dot core; and mixing the organic solution of the CdSe quantum dot core, a zinc source and an inorganic anion source for shell coating to obtain the narrow-linewidth alloy quantum dot, where the inorganic anion source includes a second selenium source.Type: ApplicationFiled: March 30, 2023Publication date: April 4, 2024Inventors: Qinghua LI, Lingfeng WANG, Xuping LIU, Xiao JIN, Dongyu LI, Deng WANG, Jingke BAI, Bing XU
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Publication number: 20240048047Abstract: A power supply device is disclosed and includes a housing, a power board, an output terminal and a DCDC conversion module. The housing includes an accommodation space, and a first opening of a rear plate in communication with the accommodation space. The power board disposed in parallel to the lower plate is at least partially accommodated in the accommodation space, and a peripheral edge is disposed adjacent to the rear plate. The output terminal is disposed in parallel to the lower plate, and passes through the first opening of the rear plate. The DCDC conversion module is accommodated in the accommodation space and includes a primary circuit, a transformer and a secondary circuit. The transformer and the secondary circuit are arranged on the power board in sequence. The secondary circuit is arranged on part of the power board existing the peripheral edge and electrically connected to the output terminal.Type: ApplicationFiled: June 13, 2023Publication date: February 8, 2024Inventors: Kai Dong, Bing Fan, Dongyu Wang, Weibo Sun
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Publication number: 20230413725Abstract: A power tool may have features for varying height or speed. The power tool may include a base chassis, one or more wheels mounted to the base chassis, and a handle frame attached to the base chassis. A slider assembly or support rail may further be included with the power tool to, for instance, aid in varying speed or height.Type: ApplicationFiled: September 8, 2023Publication date: December 28, 2023Inventors: William E. Colber, Dayu Feng, James C. Ferrell, Jonathan R. Feldkamp, Dongyu Wang
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Patent number: 11614413Abstract: The present disclosure provides a back scattering inspection system and a back scattering inspection method. The back scattering inspection system includes a frame and a back scattering inspection device. The rack includes a track arranged vertically or obliquely relative to the ground, and a space enclosed by the track forms an inspection channel; and the back scattering inspection device includes a back scattering ray emitting device and a back scattering detector, and the back scattering inspection device is movably disposed on the track for inspecting an inspected object passing through the inspection channel. The back scattering inspection system can perform back scattering inspection on a plurality of surfaces of the inspected object.Type: GrantFiled: January 3, 2020Date of Patent: March 28, 2023Inventors: Jianmin Li, Li Zhang, Yuanjing Li, Zhiqiang Chen, Hao Yu, Shangmin Sun, Bicheng Liu, Weizhen Wang, Dongyu Wang, Yuan Ma, Yu Hu, Chunguang Zong
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Publication number: 20210364455Abstract: The present disclosure provides a back scattering inspection system and a back scattering inspection method. The back scattering inspection system includes a frame and a back scattering inspection device. The rack includes a track arranged vertically or obliquely relative to the ground, and a space enclosed by the track forms an inspection channel; and the back scattering inspection device includes a back scattering ray emitting device and a back scattering detector, and the back scattering inspection device is movably disposed on the track for inspecting an inspected object passing through the inspection channel. The back scattering inspection system can perform back scattering inspection on a plurality of surfaces of the inspected object.Type: ApplicationFiled: January 3, 2020Publication date: November 25, 2021Inventors: Jianmin LI, Li ZHANG, Yuanjing LI, Zhiqiang CHEN, Hao YU, Shangmin SUN, Bicheng LIU, Weizhen WANG, Dongyu WANG, Yuan MA, Yu HU, Chunguang ZONG
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Patent number: 10996369Abstract: The present disclosure discloses a vehicle-mounted type back scattering inspection system. The vehicle-mounted type back scattering inspection system includes a carriage and a back scattering imaging device, the scanning range of the back scattering imaging device is variable. As the scanning range of the back scattering imaging device of the present disclosure is variably set, the inspection range of the back scattering imaging device can be expanded.Type: GrantFiled: December 28, 2018Date of Patent: May 4, 2021Inventors: Hao Yu, Ying Li, Weizhen Wang, Quanwei Song, Dongyu Wang, Haojie Chi, Jianmin Li, Yulan Li, Chunguang Zong, Zhiqiang Chen, Yuanjing Li, Li Zhang
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Patent number: 10946820Abstract: The present disclosure discloses an in-vehicle detection system and power supply system and power supply controller, which relates to the power supply control field. The power supply system comprises a low-power generator; a battery pack for supplying power to the in-vehicle detection system; a charger electrically connected to the low-power generator and the battery pack, respectively; and a power supply controller electrically connected to the battery pack and the low-power generator, respectively.Type: GrantFiled: May 31, 2017Date of Patent: March 16, 2021Inventors: Jianmin Li, Hao Yu, Zhiqiang Chen, Yuanjing Li, Yulan Li, Li Zhang, Jingyu Gu, Dongyu Wang
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Patent number: 10895660Abstract: The present disclosure discloses a vehicle-mounted type back scattering inspection system. The back scattering imaging device has a vehicle-mounted working state and a ground working state, and in the vehicle-mounted working state, the back scattering imaging device performs inspection work in a carriage; in the ground working state, the back scattering imaging device performs the inspection work on the ground at the outside of the carriage; and the back scattering imaging device is separately arranged relative to the carriage and is movable between the carriage and the ground to switch between the vehicle-mounted working state and the ground working state.Type: GrantFiled: December 28, 2018Date of Patent: January 19, 2021Inventors: Hao Yu, Ying Li, Weizhen Wang, Quanwei Song, Dongyu Wang, Haojie Chi, Jianmin Li, Yulan Li, Chunguang Zong, Zhiqiang Chen, Yuanjing Li, Li Zhang
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Patent number: 10739491Abstract: The present disclosure discloses a radiation inspection system and a radiation inspection method. The radiation inspection system comprises a radiation source and a beam modulating device. The beam modulating device comprises a first collimating structure disposed at a beam exit side of the radiation source and a second collimating structure disposed at a beam exit side of the first collimating structure. The second collimating structure is movable relative to the first collimating structure to change a relative position of the first collimating port of the first collimating structure with the second collimating port of the second collimating structure, and the beam modulating device is shifted between a first operational state in which the beam modulating device modulates an initial beam into a fan beam, and a second operational state in which the beam modulating device modulates the initial beam into a pencil beam variable in position.Type: GrantFiled: December 26, 2018Date of Patent: August 11, 2020Assignees: TSINGHUA UNIVERSITY, NUCTECH COMPANY LIMITEDInventors: Yigang Yang, Dongyu Wang, Hao Yu, Quanwei Song, Jianmin Li, Weizhen Wang, Yulan Li, Chunguang Zong, Qinjian Zhang, Ming Zeng, Zhiqiang Chen, Yuanjing Li, Li Zhang
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Publication number: 20200245555Abstract: A power tool may have features for varying height or speed. The power tool may include a base chassis, one or more wheels mounted to the base chassis, and a handle frame attached to the base chassis. A slider assembly or support rail may further be included with the power tool to, for instance, aid in varying speed or height.Type: ApplicationFiled: January 28, 2020Publication date: August 6, 2020Inventors: William E. Colber, Dayu Feng, James C. Ferrell, Jonathan R. Feldkamp, Dongyu Wang
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Publication number: 20200025968Abstract: The present disclosure discloses a radiation inspection system and a radiation inspection method. The radiation inspection system comprises a radiation source and a beam modulating device. The beam modulating device comprises a first collimating structure disposed at a beam exit side of the radiation source and a second collimating structure disposed at a beam exit side of the first collimating structure. The second collimating structure is movable relative to the first collimating structure to change a relative position of the first collimating port of the first collimating structure with the second collimating port of the second collimating structure, and the beam modulating device is shifted between a first operational state in which the beam modulating device modulates an initial beam into a fan beam, and a second operational state in which the beam modulating device modulates the initial beam into a pencil beam variable in position.Type: ApplicationFiled: December 26, 2018Publication date: January 23, 2020Inventors: Yigang YANG, Dongyu Wang, Hao Yu, Quanwei Song, Jianmin Li, Weizhen Wang, Yulan Li, Chunguang Zong, Qinjian Zhang, Ming Zeng, Zhiqiang Chen, Yuanjing Li, Li Zhang
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Patent number: 10495298Abstract: A water-cooled column (4) used in a circulating fluidized bed boiler furnace is disclosed, wherein the water-cooled column is formed by connecting membrane water-cooled walls (41). The water-cooled column (4) includes a lower section (A), an upper section and a transition section. The lower section (A) is a single column and is provided with inner secondary air ports (400) on a side wall thereof. The upper section includes a plurality of sub-columns (B, C). The membrane water-cooled walls at the lower section (A) extend to the upper section through the transition section. Each of the sub-columns (B, C) is formed by connecting extension portions extending upward from respective membrane water-cooled walls (41) in the membrane water-cooled walls (41), which are connected to form the lower section (A), and the plurality of sub-columns (B, C) are separated from each other.Type: GrantFiled: October 13, 2014Date of Patent: December 3, 2019Assignee: Institute of Engineering Thermophysics, Chinese Academy of SciencesInventors: Qinggang Lv, Xiaofang Wang, Ming Gao, Guoliang Song, Dongyu Wang
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Publication number: 20190204469Abstract: The present disclosure discloses a vehicle-mounted type back scattering inspection system. The vehicle-mounted type back scattering inspection system includes a carriage and a back scattering imaging device, the scanning range of the back scattering imaging device is variable. As the scanning range of the back scattering imaging device of the present disclosure is variably set, the inspection range of the back scattering imaging device can be expanded.Type: ApplicationFiled: December 28, 2018Publication date: July 4, 2019Inventors: Hao YU, Ying LI, Weizhen WANG, Quanwei SONG, Dongyu WANG, Haojie CHI, Jianmin LI, Yulan LI, Chunguang ZONG, Zhiqiang CHEN, Yuanjing LI, Li ZHANG
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Publication number: 20190204244Abstract: The present disclosure discloses a vehicle-mounted type back scattering inspection system. The back scattering imaging device has a vehicle-mounted working state and a ground working state, and in the vehicle-mounted working state, the back scattering imaging device performs inspection work in the carriage; in the ground working state, the back scattering imaging device performs the inspection work on the ground at the outside of the carriage; and the back scattering imaging device is separately arranged relative to the carriage and is movable between the carriage and the ground to switch between the vehicle-mounted working state and the ground working state.Type: ApplicationFiled: December 28, 2018Publication date: July 4, 2019Inventors: Hao YU, Ying LI, Weizhen WANG, Quanwei SONG, Dongyu WANG, Haojie CHI, Jianmin LI, Yulan LI, Chunguang ZONG, Zhiqiang CHEN, Yuanjing LI, Li ZHANG
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Publication number: 20190122781Abstract: The present disclosure discloses a photoneutron source and a neutron inspection system. The photoneutron source comprises: an electron accelerating tube for accelerating an electron beam; an X-ray converting target, and the electron beam accelerated by the electron accelerating tube bombards the X-ray converting target to generate X-rays; a photoneutron target, and the X-rays enters the photoneutron target to generates photoneutrons; and a neutron modulation housing provided outside the photoneutron target, and the neutron modulation housing comprises a neutron collimation port for outputting photoneutrons. The present disclosure may directly output a desired neutron beam from the neutron collimation port of the photoneutron source.Type: ApplicationFiled: October 19, 2018Publication date: April 25, 2019Inventors: Yigang YANG, Jianmin LI, Dongyu WANG, Hao YU, Weizhen WANG, Weiqiang GUAN, Wei YIN, Wei LI, Quanwei SONG, Yulan LI, Chunguang ZONG, Yaohong LIU, Yuanjing LI, Zhiqiang CHEN, Li ZHANG
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Patent number: 10156354Abstract: A circulating fluidized bed boiler is disclosed.Type: GrantFiled: October 27, 2011Date of Patent: December 18, 2018Assignee: Institute of Engineering Thermophysics, Chinese Academy of SciencesInventors: Qinggang Lv, Yunkai Sun, Guoliang Song, Dongyu Wang, Shaolin Bao, Ming Gao, Shiyuan Li
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Patent number: 10093353Abstract: The present disclosure relates to power-assisted steering systems and mobile inspection devices. Implementations may include and/or involve a directional control valve, a second hydraulic pump and a first driving motor. When determining an engine on a chassis has not been started, a central control unit may control start of the first driving motor according to a received travelling instruction such that the first driving motor drives the second hydraulic pump and then the power-assisted steering motor can be driven through a second oil path of the second hydraulic pump. Accordingly, the power-assisted steering system can be driven to operate when the mobile inspection device is in operation and the engine on chassis is not started, thus it is possible to drive the power-assisted steering system without the chassis engine operating.Type: GrantFiled: September 29, 2016Date of Patent: October 9, 2018Assignees: NUCTECH COMPANY LIMITED, NUCTECH JIANGSU COMPANY LIMITEDInventors: Xuping Fan, Junping Shi, Ke Li, Dongyu Wang
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Patent number: 9897716Abstract: A vehicle-mounted inspection system comprises: a chassis; a rotation mechanism disposed on the chassis; a first ray emission device connected to the rotation mechanism and configured to emit a ray; a first detection device connected to the rotation mechanism and configured to receive the ray emitted by the first ray emission device; and a second ray emission device connected to the rotation mechanism and configured to emit a ray. The rotation mechanism is configured to rotate the first ray emission device, the first detection device and the second ray emission device substantially around an upright axis between a retracted position and an operating position.Type: GrantFiled: September 1, 2015Date of Patent: February 20, 2018Assignees: TSINGHUA UNIVERSITY, NUCTECH COMPANY LIMITEDInventors: Kejun Kang, Jingyu Gu, Zhiqiang Chen, Jianmin Li, Yuanjing Li, Yulan Li, Dongyu Wang
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Publication number: 20180022301Abstract: The present disclosure discloses an in-vehicle detection system and power supply system and power supply controller, which relates to the power supply control field. The power supply system comprises a low-power generator; a battery pack for supplying power to the in-vehicle detection system; a charger electrically connected to the low-power generator and the battery pack, respectively; and a power supply controller electrically connected to the battery pack and the low-power generator, respectively. The present disclosure uses a low-power generator and a battery pack to substitute a high-power generator, which can reduce the requirement on a peak power of the generator by the in-vehicle detection system, and improve the efficiency of the power supply.Type: ApplicationFiled: May 31, 2017Publication date: January 25, 2018Inventors: Jianmin Li, Hao Yu, Zhiqiang Chen, Yuanjing Li, Yulan Li, Li Zhang, Jingyu Gu, Dongyu Wang
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Patent number: 9823382Abstract: A vehicle mounted mobile container or vehicle inspection system, including: a radiation source, a movable vehicle for carrying the inspection system, and a detector arm rack which has a horizontal arm and a vertical arm, a first end of the horizontal arm is connected to the vehicle and a second end thereof is connected to an end of the vertical arm. The horizontal arm and the vertical arm are connected by a pivotal connecting device such that the vertical arm may pivot in a vertical plane, and the horizontal arm and the vertical arm may be retracted in a same horizontal plane. The novel arm rack construction may reduce the space occupied by it on top of the scanning vehicle after the arm rack is stowed so as to reduce the eight of the scanning vehicle under running condition.Type: GrantFiled: December 10, 2015Date of Patent: November 21, 2017Assignee: NUCTECH COMPANY LIMITEDInventors: Jianmin Li, Yulan Li, Jingyu Gu, Yuanjing Li, Quanwei Song, Weizhen Wang, Dongyu Wang, Zhiqiang Chen, Chaunxiang Tang, Yinong Liu, Junli Li, Tao Xue, Hui Gong, Xuewu Wang