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公开(公告)号：US12014124B1
公开(公告)日：2024-06-18
申请号：US18515984
申请日：2023-11-21
发明人： Yan Lu , Hao Zhang , Xinbo Qian , Xinyuan Chen , Liangcai Zeng
摘要： Provided is a method for analyzing oil film multi-field coupling characteristics of series friction pairs of an axial piston pump in the disclosure. According to the disclosure, based on an oil film independent analysis model of macro structures, motion states and heterogeneities of service conditions of three major friction pairs of the axial piston pair, surface microstructures of the friction pairs is introduced, and a solid-liquid-thermal multi-field coupling analysis method of the friction pairs is proposed for macro information interaction. Finally, a coupling solution of the oil film bearing characteristics of the multi-friction pairs of the system is realized by the multi-scale and multi-degree-of-freedom hydraulic-dynamic global coupling method.
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公开(公告)号：US11919814B2
公开(公告)日：2024-03-05
申请号：US17097708
申请日：2020-11-13
发明人： Ao Huang , Yongshun Zou , Huazhi Gu
IPC分类号： C04B32/00
CPC分类号： C04B32/005
摘要： The disclosure relates to a method for simulating intraplate volcanism. A technical solution is: mixing 47-60 wt % of calcium oxide powder, 35 wt % of alumina powder and 5-18 wt % of silica powder uniformly to obtain a mixed powder; putting the mixed powder in a corundum crucible, placing the crucible in a high-temperature furnace provided with an observation window outside which an industrial camera with a depression angle of 30-45° is provided, heating to 1,500-1,900° C. at a rate of 1-30° C./min under an air atmosphere at a normal pressure, holding for 0.5-5 h; recording intraplate volcanism formed by upwelling of a melt of the mixed powder along an inner wall of the crucible during the holding with the industrial camera to obtain a simulated process of the intraplate volcanism.
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公开(公告)号：US11660663B2
公开(公告)日：2023-05-30
申请号：US16989541
申请日：2020-08-10
发明人： Guangqiang Li , Qiang Wang , Yu Liu , Ao Huang , Wen Yan , Wan Zheng , Huazhi Gu
CPC分类号： B22C9/086 , C04B35/04 , C04B38/0051 , C04B41/009 , C04B41/5032 , C04B41/5041 , C04B41/87 , C04B2235/3206 , C04B2235/3244 , C04B2235/3418 , C04B2235/9676
摘要： A spiral-orifice ceramic filter for metal casting, including spiral channels and two drain openings, where the spiral channels are distributed in a ceramic substrate in a staggered manner. By adoption of the spiral channel structure, molten metal may rotate to generate a centrifugal force while flowing forwards so as to promote separation of inclusions. The spiral-orifice ceramic filter for metal casting includes the following components: 90-95 wt % of MgO, 4-8 wt % of SiO2 and 2-4 wt % of ZrO2. Therefore, the spiral-orifice ceramic filter for metal casting has high strength under normal temperature and optional thermal impact resistance under high temperature, and may tolerate the impact of molten metal at 1700° C. or higher without break. The ceramic substrate and the spiral channel are superficially coated with one layer of functional oxide prepared from CaO.2Al2O3, CaO.6Al2O3, Al2O3, TiO2, or Re2O3.
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公开(公告)号：US20220244740A1
公开(公告)日：2022-08-04
申请号：US17465883
申请日：2021-09-03
发明人： Lin JIANG , Dongjun FANG , Wenkang NIE , Chao XIANG , Shengxi JIN , Jianpeng ZUO
摘要： A method of constructing an indoor wall corner two-dimensional semantic map based on a robot platform includes controlling, by the master control computer, the robot platform to move indoors, collecting, by the lidar sensor, a distance between an indoor object and the robot platform and a direction angle between the indoor object and the robot platform in real time and transmitting the distance and the direction angle to the master control computer, and obtaining, by the master control computer, an environment grid map and a real-time pose of the robot platform by processing the distance between the indoor object and the robot platform and the direction angle between the indoor object and the robot platform based on Gmapping algorithm; constructing a semantic segmentation data set as a training set on the master control computer and obtaining a predicted non-wall corner semantic label.
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5.发明授权公开(公告)号：US10995951B2
公开(公告)日：2021-05-04
申请号：US16188928
申请日：2018-11-13
发明人： Xuecheng Xu , Yuanyuan Chen , Bin Li , Benwen Li , Zhu He , Yawei Li , Xiong Liang
摘要： A system and method for controlling a porous medium burner of medium-high temperature heating field, the control system includes a local control system and a remote control system; the local control system is configured for acquisition and feedback of data, and execution of an action; and the remote control system communicates with the local control system in real time and is configured for storage and analysis of data and transmission of an instruction. A system and method for controlling a porous medium burner of medium-high temperature heating field, which can effectively perform prediction and prevention of flashback, be adapted to combustion of gases with different calorific values, monitor and diagnose, in real time, a usage status of a porous medium material, and be suitable for the functions such as real-time monitoring of preheating of air and a fuel gas.
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公开(公告)号：US20190017989A1
公开(公告)日：2019-01-17
申请号：US16129809
申请日：2018-09-13
发明人： SHUAI CHANG , JIN HE , FENG LIANG , MINGZHU HUANG , HUAZHI GU
IPC分类号： G01N33/487 , G01N27/447
摘要： The present invention relates to a tunnel recognition technology-based nano-detection device and method. The said detection device consists of nano wand, plane electrode, active power and current tester. The said detection method consists of the following steps: Place the said nano wand into the test solution with a specific DNA or RNA sequence, and place the said plane electrode on the surface of the said test solution; import the said DNA or RNA sequence into the said transmission pipeline; detect and record the current change displayed by the said current tester; read the base signal of the said DNA or RNA sequence based on the said current change detected. The technical scheme of the present invention is based on DNA sequence direct reading techniques, characterized by quick reading and high accuracy.
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公开(公告)号：US20240327957A1
公开(公告)日：2024-10-03
申请号：US18619231
申请日：2024-03-28
申请人： WUHAN UNIVERSITY OF SCIENCE AND TECHNOLOGY , BAND (FOSHAN) METALLIC COMPOSITE MATERIALS CO., LTD. , SINO-ENERGY HUAYUAN FLOATING WIND INSTITUTE
发明人： Kaiming WU
摘要： A La-element micro-alloyed AlCrFeNiTi bulk alloy with high corrosion resistance and wear resistance and a preparation method therefor and applications thereof are provided. The alloy includes the following chemical components in corresponding percentages: 2.05 wt % to 2.15 wt % of Al, 20.50 wt % to 20.65 wt % of Cr, 34.50 wt % to 35.54 wt % of Ni, 18.80 wt % to 19.16 wt % of Ti, 1.05 wt % to 1.15 wt % of La, and the balance of Fe and inevitable impurities, wherein the chemical components need to meet the following three relations at the same time: (1) 18.57≤Fe/La≤22.00; (2) 6.47≤Fe/(La+Al)≤7.45; and (3) 1.05≤Fe/(La+Ti)≤1.16. Compared with AISI 310S stainless steel, the alloy is improved by 280% to 290% in hardness, reduced by 4% to 7% in friction coefficient, and reduced by 17% to 34% in wear amount, increased by 73% to 77% in self-corrosion potential, and decreased by 96% in corrosion current density on average.
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公开(公告)号：US11971726B2
公开(公告)日：2024-04-30
申请号：US17465883
申请日：2021-09-03
发明人： Lin Jiang , Dongjun Fang , Wenkang Nie , Chao Xiang , Shengxi Jin , Jianpeng Zuo
CPC分类号： G05D1/0274 , G01S17/08 , G01S17/89 , G05D1/0248 , G06T7/11 , G06T7/579 , G06T7/80 , G06T2207/10024 , G06T2207/10028
摘要： A method of constructing an indoor wall corner two-dimensional semantic map based on a robot platform includes controlling, by the master control computer, the robot platform to move indoors, collecting, by the lidar sensor, a distance between an indoor object and the robot platform and a direction angle between the indoor object and the robot platform in real time and transmitting the distance and the direction angle to the master control computer, and obtaining, by the master control computer, an environment grid map and a real-time pose of the robot platform by processing the distance between the indoor object and the robot platform and the direction angle between the indoor object and the robot platform based on Gmapping algorithm; constructing a semantic segmentation data set as a training set on the master control computer and obtaining a predicted non-wall corner semantic label.
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公开(公告)号：US11644308B2
公开(公告)日：2023-05-09
申请号：US17116278
申请日：2020-12-09
发明人： Bin Hu , Jing Li , Aneng Cui , Kai Cui , Qinghong Fang , Wei Yang , Yalan Jia , Yang Liu , Xin Zhu
摘要： The disclosure provides a method for determining a slope slip plane with a gently-inclined soft interlayer, including: S1, determining a curve formed with a slip arc of a trailing edge tearing plane, a soft interlayer plane and a slip arc of a leading edge shear opening as a slope slip plane; S2, calculating a slip plane stability coefficient; S3, determination of a position of the gently-inclined soft interlayer plane: if the slip plane stability coefficient is less than 1 but close to 1, determining that the position of the slope slip plane is accurate; otherwise, moving the position of the soft interlayer plane and repeating steps S1 and S2, until the slip plane stability coefficient is less than 1 and close to 1. The method is simple, and has a high accuracy for determining a non-circular slip plane with a soft interlayer as a bottom slip plane.
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公开(公告)号：US11643364B2
公开(公告)日：2023-05-09
申请号：US17346233
申请日：2021-06-12
发明人： Ao Huang , Yanzhu Huo , Huazhi Gu , Yongshun Zou , Lvping Fu , Meijie Zhang
IPC分类号： C04B35/043 , C04B35/626
CPC分类号： C04B35/0435 , C04B35/62615 , C04B2235/3208 , C04B2235/3244 , C04B2235/5427 , C04B2235/5436 , C04B2235/5454 , C04B2235/9607
摘要： The present disclosure relates to a magnesium-based raw material and a preparation method thereof. According to the technical solution, 40-60 wt % fused magnesia particles, 30-40 wt % fine monoclinic zirconia powder, 5-20 wt % fine zirconium oxychloride powder, 0.5-1.5 wt % calcium hydroxide nanopowder, 0.2-0.5 wt % calcium hydroxide nanopowder, and 0.1-0.3 wt % maleic acid are stirred for 15 min to mix well in a high-speed mixing mill at a constant temperature of 25° C. to obtain a mixed powder; and the mixed powder is mixed through a ball mill at a constant temperature of 25° C. for 3 min, roasted in a high temperature furnace at 250-400° C. for 0.5-3 h, and finally cooled to room temperature.
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