Patents by Inventor Zhaobin Zhang
Zhaobin 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: 11976891Abstract: The present invention relates to the field of fluid heat transfer, and discloses a heat transfer enhancement pipe as well as a cracking furnace and an atmospheric and vacuum heating furnace including the same. The heat transfer enhancement pipe (1) includes a pipe body (10) of tubular shape having an inlet (100) for entering of a fluid and an outlet (101) for said fluid to flow out; internal wall of the pipe body (10) is provided with a fin (11) protruding towards interior of the pipe body (10), the fin (11) spirally extends in an axial direction of the pipe body (10), wherein a height of the fin (11) gradually increases from one end in at least a part extension of the fin. The heat transfer enhancement pipe can reduce thermal stress of itself, thereby increasing service life of the heat transfer enhancement pipe.Type: GrantFiled: October 25, 2018Date of Patent: May 7, 2024Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Guoqing Wang, Junjie Liu, Lijun Zhang, Cong Zhou, Zhaobin Zhang, Shasha Yang, Dongfa Shen, Xiaofeng Li, Shifang Yang, Zhiguo Du, Yonggang Zhang, Ying Shi, Jinghang Guo
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Publication number: 20240137517Abstract: A method of processing video data. The method includes applying a super resolution (SR) process to a video unit at a specific position relative to one or more in-loop filters when the one or more in-loop filters are applied to the video unit, and performing a conversion between a video comprising the video unit and a bitstream of the video based on the SR process and the one or more in-loop filters as applied. A corresponding video coding apparatus and non-transitory computer-readable recording medium are also disclosed.Type: ApplicationFiled: December 27, 2023Publication date: April 25, 2024Inventors: Chaoyi Lin, Yue Li, Kai Zhang, Zhaobin Zhang, Li Zhang
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Publication number: 20240137513Abstract: A method of processing video data. The method includes applying different super resolution (SR) processes to different sub-regions of a video unit, and performing a conversion between a video including the different regions of the video unit and a bitstream of the video based on the different SR processes as applied. A corresponding video coding apparatus and non-transitory computer-readable recording medium are also disclosed.Type: ApplicationFiled: December 29, 2023Publication date: April 25, 2024Inventors: Chaoyi Lin, Yue Li, Kai Zhang, Zhaobin Zhang, Li Zhang
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Publication number: 20240137519Abstract: A method of processing video data. The method includes down-sampling a video unit of a video prior to application of a super resolution (SR) process and performing a conversion between the video including the video unit and a bitstream of the video based on the video unit as down-sampled. A corresponding video coding apparatus and non-transitory computer-readable recording medium are also disclosed.Type: ApplicationFiled: December 29, 2023Publication date: April 25, 2024Inventors: Chaoyi Lin, Yue Li, Kai Zhang, Zhaobin Zhang, Li Zhang
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Publication number: 20240137518Abstract: A method of processing video data. The method includes using coded information during application of a super resolution (SR) process to a video unit; and performing a conversion between a video including the video unit and a bitstream of the video based on the SR process as applied using the coded information. A corresponding video coding apparatus and non-transitory computer-readable recording medium are also disclosed.Type: ApplicationFiled: December 27, 2023Publication date: April 25, 2024Inventors: Chaoyi Lin, Yue Li, Kai Zhang, Zhaobin Zhang, Li Zhang
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Publication number: 20240137577Abstract: A method of processing video data. The method includes applying a super resolution (SR) process to a video unit at a level of an SR unit, where the SR unit includes more than one pixel of the video unit, and performing a conversion between a video comprising the video unit and a bitstream of the video based on the SR process as applied. A corresponding video coding apparatus and non-transitory computer-readable recording medium are also disclosed.Type: ApplicationFiled: December 28, 2023Publication date: April 25, 2024Inventors: Chaoyi Lin, Yue Li, Kai Zhang, Zhaobin Zhang, Li Zhang
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Publication number: 20240114127Abstract: Methods, systems, and devices implement intra-prediction for hexagonally-sampled compression and decompression of videos and images having a regular grid of hexagonally-shaped pixels. For encoding, a prediction unit (PU) shape is selected at a sequence level from the group consisting of parallelogram, zigzag-square, hexagonal super-pixel, a rectangular zigzag and an arrow, and the hexagonally-sampled image is divided into regions based on the PU shape. For each region: a prediction mode and a PU size are determined; reference pixels are determined for each predicted pixel in the PU shape based on the prediction mode; a weighted factor is determined for each of the reference pixels based on a distance between the reference pixel and the predicted pixel; and a predicted value of each of the predicted pixels in the PU shape is determined using the corresponding reference pixels and the weighted factors.Type: ApplicationFiled: February 10, 2022Publication date: April 4, 2024Applicant: Dolby Laboratories Licensing CorporationInventors: Zhaobin ZHANG, Neeraj J. GADGIL, Guan-Ming SU
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Patent number: 11895330Abstract: A method of video processing includes determining a target bitrate for a current video unit of a video that is based on a rate distortion function in which a rate portion is weighted using lambda, wherein lambda is a rational number and wherein lambda is an adaptively adjusted for each video unit of the video and performing a conversion between the current video unit and a bitstream of the video.Type: GrantFiled: January 14, 2022Date of Patent: February 6, 2024Inventors: Zhaobin Zhang, Li Zhang, Yue Li, Kai Zhang
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Publication number: 20230408482Abstract: A test system and a test method for replacing natural gas hydrate with carbon dioxide are disclosed, relating to the technical field of exploitation of natural gas hydrates. The test system comprises a sample reaction vessel, a sample boundary condition loading device, a methane gas supply device, a carbon dioxide gas supply device, an output article collection and measurement device, and a data acquisition control device. A sample-sealing rubber sleeve and an upper sample-sealing plate are arranged in an inner cavity of the vessel, the sample-sealing rubber sleeve, a lower tray and the upper sample-sealing plate form a sample-sealing space. An axial pressure loading plate is arranged on the upper sample-sealing plate, and an upper cover plate is provided with an axial pressure loading injection hole. A side shrouding is provided with a confining pressure loading injection hole and a product discharge hole.Type: ApplicationFiled: November 7, 2022Publication date: December 21, 2023Applicant: Institute of Geology and Geophysics, Chinese Academy of SciencesInventors: Jianming HE, Shouding LI, Xiao LI, Zhaobin ZHANG
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Publication number: 20220403261Abstract: A method for cracking crude oil includes delivering the crude oil to a first tube group of a convection section of a cracking furnace for preheating and then performing vaporization to obtain a first gas phase and a first liquid phase; performing high-pressure extraction on the first liquid phase to obtain a non-asphalt oil and an asphalt; and mixing the first gas phase and the non-asphalt oil with water vapor respectively, or mixing the first gas phase with the non-asphalt oil prior to mixing with water vapor, then delivering the same to a second tube group of the convection section of the cracking furnace for heating, followed by delivering same to a radiation section of the cracking furnace for cracking to obtain a cracked product, and separating the cracked product to obtain low-carbon olefins.Type: ApplicationFiled: October 28, 2020Publication date: December 22, 2022Inventors: Tongju LIU, Guoqing WANG, Lijun ZHANG, Zhaobin ZHANG, Cong ZHOU, Bing JIANG, Ying SHI
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Publication number: 20220394240Abstract: A mechanism for processing video data is disclosed. A determination is made to apply an end-to-end neural network-based video codec to a current video unit of a video. The end-to-end neural network-based video codec comprises a spatial-temporal adaptive compression (STAC) component including a frame extrapolative compression (FEC) branch and an image compression branch. A conversion is performed between the current video unit and a bitstream of the video via the end-to-end neural network-based video codec.Type: ApplicationFiled: June 1, 2022Publication date: December 8, 2022Inventors: Zhaobin Zhang, Li Zhang, Yue Li, Kai Zhang
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Patent number: 11421493Abstract: A device and a method for transferring and storing a deep in-situ core in a sealed and pressure-maintaining manner includes a pressure vessel, a sealed storage vessel, a control system, a pressure regulation system and at least one spherical valve. The pressure vessel includes a first barrel and a first end sealing piston mounted at a first end of the first barrel and being slidable in the pressure vessel. The sealed storage vessel includes a second barrel and a second end sealing piston which is mounted at a first end of the second barrel. At least one spherical valve is connected between the first barrel and the second barrel. The pressure regulation system is configured for regulating an amount of water in the second barrel. The control system includes a first pressure sensor, a second pressure sensor, and a controller.Type: GrantFiled: February 12, 2021Date of Patent: August 23, 2022Assignee: INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCESInventors: Jianming He, Zhaobin Zhang, Jian Huo, Yanfang Wu, Shouding Li, Xiao Li
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Publication number: 20220239944Abstract: A method of video processing includes determining a target bitrate for a current video unit of a video that is based on a rate distortion function in which a rate portion is weighted using lambda, wherein lambda is a rational number and wherein lambda is an adaptively adjusted for each video unit of the video and performing a conversion between the current video unit and a bitstream of the video.Type: ApplicationFiled: January 14, 2022Publication date: July 28, 2022Inventors: Zhaobin Zhang, Li Zhang, Yue Li, Kai Zhang
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Publication number: 20220136352Abstract: A device and a method for transferring and storing a deep in-situ core in a sealed and pressure-maintaining manner includes a pressure vessel, a sealed storage vessel, a control system, a pressure regulation system and at least one spherical valve. The pressure vessel includes a first barrel and a first end sealing piston mounted at a first end of the first barrel and being slidable in the pressure vessel. The sealed storage vessel includes a second barrel and a second end sealing piston which is mounted at a first end of the second barrel. At least one spherical valve is connected between the first barrel and the second barrel. The pressure regulation system is configured for regulating an amount of water in the second barrel. The control system includes a first pressure sensor, a second pressure sensor, and a controller.Type: ApplicationFiled: February 12, 2021Publication date: May 5, 2022Inventors: Jianming HE, Zhaobin ZHANG, Jian HUO, Yanfang WU, Shouding LI, Xiao LI
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Patent number: 11287356Abstract: A variable angle loading testing machine is provided, which may include a bottom plate and a base fixedly connected to the bottom plate. A rock-sample accommodating cavity is formed in the base, and a rectangle-shaped sample is suitable for being placed into the rock-sample accommodating cavity. A side of the base is fixedly connected to two arc-shaped tension beams arranged in parallel, and a variable angle loading mechanism is slidably connected between the two arc-shaped tension beams. Through-holes are formed on the base, and an output end of the variable angle loading mechanism abuts against the rectangle-shaped sample through one of the through-holes. Loading and unloading of a stress with variable direction and magnitude under excavation disturbance can be simulated, which is of great significance for understanding mechanical behaviors of rock-soil mass under excavation disturbance.Type: GrantFiled: September 14, 2021Date of Patent: March 29, 2022Assignee: INSTITUTE OF GEOLOGY AND GEOPHYSICSInventors: Songfeng Guo, Shengwen Qi, Ming Cai, Yanjun Shang, Qingze Hao, Haijun Zhao, Zhendong Cui, Lei Xue, Xueliang Wang, Zhaobin Zhang, Xiaolin Huang, Ning Liang, Bowen Zheng, Yu Zou, Xin Wang, Xiaokun Hou, Shuaihua Song, Feng Xiong, Yongchao Li, Lina Ma, Fengjiao Tang, Xin Wang, Libo Jiang, Jinxuan Li, Yidong Xiao
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Publication number: 20220074915Abstract: The present disclosure provides a device and a method for preparing natural gas hydrate under controlled temperature and pressure, which relates to the technical field of rock and soil mechanics test technology and equipment. The device includes a three-axis cylinder outer tube, a temperature adjustment system, a pressure loading system, a gas supply system and a recovery system. The three-axis cylinder outer tube is provided with an accommodating cavity throughout its middle, and the accommodating cavity is provided with an end cover of the three-axis cylinder outer tube at each end thereof. The temperature adjustment system is used to adjust the temperature of the three-axis cylinder outer tube. The pressure loading system is used to apply pressure load to the accommodating cavity. The gas supply system is used to supply a high-pressure gas into the accommodating cavity. The recovery system is used to recover the moisture and gas in the accommodating cavity.Type: ApplicationFiled: January 4, 2021Publication date: March 10, 2022Inventors: Jianming He, Yanfang Wu, Jian Huo, Zhaobin Zhang, Shouding Li, Xiao Li
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Patent number: 11215404Abstract: A heat transfer tube includes a twisted baffle arranged in an inner wall of the tube. The twisted baffle extends spirally along an axial direction of the heat transfer tube. The twisted baffle is provided with a non-through gap extending along an axial direction of the heat transfer tube from an end to the other end of the twisted baffle. A cracking furnace uses the heat transfer tube. The heat transfer tube and cracking furnace have good heat transfer effects and small pressure loss.Type: GrantFiled: December 26, 2018Date of Patent: January 4, 2022Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Guoqing Wang, Lijun Zhang, Xianfeng Zhou, Junjie Liu, Zhiguo Du, Yonggang Zhang, Zhaobin Zhang, Cong Zhou
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Patent number: 11048002Abstract: A visualization system for simulating excavation of a fluid-structure interaction tunnel includes a fluid-structure interaction tunnel model system, a tunnel model solution supply system, a detection system and an excavation system. The tunnel model solution supply system is configured to inject a nuclide solution to simulate a fluid pressure. The detection system is configured to detect a 3D deformation state of a tunnel surrounding rock and a 3D migration process of the nuclide solution. The excavation system is provided between the detection system and the tunnel model system to simulate tunnel excavation. During the tunnel excavation, a lifting device in the excavation system controls a drilling device to ascend to a set height for operation. During 3D detection, the lifting device controls the drilling device to descend to an initial height to avoid affecting the detection of a detection device.Type: GrantFiled: March 9, 2021Date of Patent: June 29, 2021Assignee: INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCESInventors: Tianqiao Mao, Xiao Li, Shouding Li, Zhaobin Zhang, Jianming He, Guanfang Li, Yanfang Wu, Pengfei He, Bo Zheng
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Publication number: 20210190442Abstract: The present invention relates to the field of fluid heat transfer, and discloses a heat transfer enhancement pipe as well as a cracking furnace and an atmospheric and vacuum heating furnace including the same. The heat transfer enhancement pipe (1) includes a pipe body (10) of tubular shape having an inlet (100) for entering of a fluid and an outlet (101) for said fluid to flow out; internal wall of the pipe body (10) is provided with a fin (11) protruding towards interior of the pipe body (10), wherein the fin (11) has one or more fin sections extending spirally in the axial direction of the pipe body (10), and each fin section has a first end surface facing the inlet (100) and a second end surface facing the outlet (101), at least one of the first end surface and the second end surface of at least one of the rib sections is formed as a transition surface along spirally extending direction.Type: ApplicationFiled: October 25, 2018Publication date: June 24, 2021Inventors: Guoqing WANG, Junjie LIU, Lijun ZHANG, Cong ZHOU, Zhaobin ZHANG, Shasha YANG, Dongfa SHEN, Xiaofeng LI, Shifang YANG, Zhiguo DU, Yonggang ZHANG, Ying SHI, Jinghang GUO
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Patent number: 11041819Abstract: A visual test system for a secondary generation or decomposition of a hydrate includes a hydrate conveying device, a computerized tomography (CT) imaging device, a temperature control device, a pressure control device and a flow control device. The hydrate conveying device includes an annular pipeline structure composed of a plurality of straight pipeline sections and a plurality of curved pipeline sections. The straight pipeline section is able to rotate around an axis thereof under the drive of a pipeline driving device. The CT imaging device is used to perform a three-dimensional (3D) detection inside the pipeline, and includes a turntable, a ray source and a detector. The ray source is able to rotate under the drive of the turntable driving device. The temperature control device, the pressure control device and the flow control device are used to control a gas-liquid mixture's temperature, pressure and flow rate, respectively.Type: GrantFiled: March 2, 2021Date of Patent: June 22, 2021Assignee: INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCESInventors: Xiao Li, Bo Zheng, Shouding Li, Jianming He, Zhaobin Zhang, Tianqiao Mao, Guanfang Li, Yanfang Wu