Patents Assigned to Jilin University
  • Publication number: 20180057044
    Abstract: An independent steering mechanism of controllable hydraulic locking type for left and right wheels is provided. The independent steering mechanism includes a power steering mechanism, a steering drive mechanism, a hydraulic locking mechanism and an electronic control unit. Power of the left and right steering motors flows through the worm, the worm gear, the gear to drive left and right racks to translate. Outer ends of the left and right racks are connected to left and right tie rods via spherical hinges respectively. Inner ends of the left and right racks are connected to a piston rod and a cylinder barrel via spherical hinges respectively. A left chamber and a right chamber in the hydraulic cylinder are connected to an oil reservoir via an electro-hydraulic valve. The left and right steering motor controllers for the left and right steering motor and the electro-hydraulic valve controller are communicated via CAN bus.
    Type: Application
    Filed: March 10, 2017
    Publication date: March 1, 2018
    Applicant: Jilin University
    Inventors: Bingzhao Gao, Haitao Ding, Hong Chen, Jianwei Zhang, Weinan Tao, Mengjian Tian
  • Patent number: 9784084
    Abstract: A method for heating oil shale underground in situ. Shale oil and fuel gas can be obtained from an underground oil shale seam in situ, and the fuel gas can also be obtained from an underground coal seam in situ. Wells are drilled downwardly reaching an operation region of an underground oil shale ore bed. Electricity for partial discharge of the ore bed is conducted into electrodes, and a plasma channel is formed in the ore bed and subjected to breakdown by the electricity; after the resistance of each of two electrode regions is lowered, the two electrodes are used for conducting currents into the plasma channel in the oil shale ore bed; the oil shale ore bed is heated under the resistance heating function of the plasma channel; and released heat is used for realizing thermal cracking and gasification of fixed organic carbon in the oil shale ore bed.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: October 10, 2017
    Assignee: Jilin University
    Inventors: Youhong Sun, Lopatin Vladimir, Wei Han, Martemyannov Sergey, Qiang Li, Bukharkin Andrey, Yang Yang, Zuoan Yuan, Baochang Liu, Wei Guo, Ke Gao
  • Patent number: 9415797
    Abstract: The invention discloses an automobile active steering system with a cycloidal-pin wheel mechanism, and aims at overcoming the contraction between light steering effort and flexibility. The automobile active steering system comprises a steering hand wheel (47), a steering shaft (52), a steering transmission shaft (48), a cycloidal-pin wheel type transmission mechanism (49), a rotary hydraulic valve (50), and a steering box (51). The steering hand wheel (47) is connected with an upper end of the steering shaft (52) by use of a spline pair, a lower end of the steering shaft (52) is connected with an upper end of the steering transmission shaft (48) by use of a universal joint, a lower end of the steering transmission shaft (48) is connected with a right end of an input shaft (21) of the cycloidal-pin wheel type transmission mechanism (49) by use of a universal joint.
    Type: Grant
    Filed: May 25, 2015
    Date of Patent: August 16, 2016
    Assignee: Jilin University
    Inventors: Junnian Wang, Yishan Pan, Qingnian Wang
  • Patent number: 9370993
    Abstract: This invention proposes a hybrid power driving device including an electric motor, an Internal Combustion engine, an automated mechanical transmission, a clutch, a main reducer and a differential, where the automated mechanical transmission includes first to sixth gear wheels forming meshing pairs, 2 synchronizers, an input transmission shaft connected with the engine, an input transmission shaft connected with the motor, and an output transmission shaft. This device provides for the motor with two gears, and provides for the engine with four gears, which can meet the practical demands of the engine and the motor. Compared with the existing parallel hybrid power coupling mechanism, the inventive device has a simple structure, a low cost, good shifting comfortability, and a high operation efficiency.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: June 21, 2016
    Assignee: Jilin University
    Inventors: Hong Chen, Bingzhao Gao, Lulu Guo, Qiong Liang, Yu Xiang
  • Patent number: 9163361
    Abstract: A double inclined weld face structure for a jolt-and-vibration-free seamless rail with high bearing capacity relates to the welding of the seamless rail of the rail train, a weld seam of the rail according to the present application forms, at least partly, a double inclined weld face, forming an angle ? with the vertical direction of the rail and an angle ? with the transverse direction of the rail. The double inclined weld face can further improve the stress state in the weld face of the rail, enhance the bearing capacity of the weld face and eliminate upward and downward jolting and leftward and rightward shaking of a train. The double inclined weld faces of the two parallel rails (1) are arranged in a interleaving way and the interleaving length is greater than the length of a carriage, thus enhancing the running stability and durability of the train and more beneficial to use a simple existing Aluminothermic welding in the weld of the seamless rail.
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: October 20, 2015
    Assignee: Jilin University
    Inventors: Yuquan Song, Minghui Wang, Xiaofang Guan
  • Patent number: 8943869
    Abstract: A multiple clamp type stretching and forming machine is composed of multiple material clamping mechanisms (1), multiple material stretching mechanisms (2) and a frame (3). The material clamping mechanism (1) is composed of a material clamping frame (7), material clamping blocks (8, 9) and a hydraulic cylinder (6) for clamping material. The two sides of the frame (3) are arranged with a row of multiple material clamping mechanisms (1), respectively. The material clamping frame (7) of each material clamping mechanism (1) is provided with one or two connecting holes (5), which connect with one or more material stretching mechanisms (2) through a universal push-pull mechanism (4). The stretching and forming machine can improve the utilization ratio of the material, and reduce the manufacturing cost.
    Type: Grant
    Filed: October 8, 2010
    Date of Patent: February 3, 2015
    Assignee: Jilin University
    Inventors: Mingzhe Li, Qigang Han, Wenzhi Fu, Pengxiao Feng, Yushan Deng, Zhongyi Cai, Chunguo Liu, Zhen Sui
  • Patent number: 8619253
    Abstract: The invention provides a multi-parameter integrated cuvette pool having a plurality of cuvette pool cells. Adjacent cuvette pool cells are connected to each other through a connecting plate. A heat generation unit is arranged in each cuvette pool cell.
    Type: Grant
    Filed: December 9, 2009
    Date of Patent: December 31, 2013
    Assignee: Changchun Jilin University Little Swan Instruments Co., Ltd.
    Inventors: Aimin Yu, Zhende Wang
  • Patent number: 8524492
    Abstract: The present invention is a method for amplifying a large numbers of hair follicle stem cells in vitro by using microspheres as carriers for cell culture and a revolving bottle as a fermentation tank for cell proliferation. The method includes digesting hair follicles to obtain hair follicle stem cells, seeding the cells on microcarriers, transferring the microcarriers to a revolving bottle, feeding liquid culture media into the revolving bottle, placing the revolving bottle into a cell incubator, growing the cells on the microcarrier and harvesting the hair follicle stem cells.
    Type: Grant
    Filed: July 20, 2011
    Date of Patent: September 3, 2013
    Assignee: Jilin University
    Inventors: Jinyu Liu, Yulin Li
  • Publication number: 20130186968
    Abstract: A double inclined weld face structure for a jolt-and-vibration-free seamless rail with high bearing capacity relates to the welding of the seamless rail of the rail train, a weld seam of the rail according to the present application forms, at least partly, a double inclined weld face, forming an angle ? with the vertical direction of the rail and an angle ? with the transverse direction of the rail. The double inclined weld face can further improve the stress state in the weld face of the rail, enhance the bearing capacity of the weld face and eliminate upward and downward jolting and leftward and rightward shaking of a train. The double inclined weld faces of the two parallel rails (1) are arranged in a interleaving way and the interleaving length is greater than the length of a carriage, thus enhancing the running stability and durability of the train and more beneficial to use a simple existing Aluminothermic welding in the weld of the seamless rail.
    Type: Application
    Filed: September 21, 2011
    Publication date: July 25, 2013
    Applicant: Jilin University
    Inventors: Yuquan Song, Minghui Wang, Xiaofang Guan
  • Patent number: 8390811
    Abstract: A multi-channel arrayed isosbestic wavelength detection system comprises an arrayed light source board, an arrayed photoelectric sensor board, and an intermediate system frame. The arrayed light source board and arrayed photoelectric sensor board are assembled at opposite sides of the intermediate system frame. In addition, the arrayed light source system has a plurality of light-emitting elements, each of which comprises two monochromatic light sources that provide main wavelength and reference wavelength respectively, and the two wavelengths are isosbestic wavelengths. The arrayed photoelectric sensor system has a plurality of photoelectric sensors, which are aligned at fixed positions in one-to-one correspondence with the light-emitting elements.
    Type: Grant
    Filed: December 9, 2009
    Date of Patent: March 5, 2013
    Assignee: Changchun Jilin University Little Swan Instruments Co., Ltd.
    Inventors: Yu Aimin, Zhende Wang
  • Patent number: 8308016
    Abstract: The invention relates to a non-stick cooking utensil, wherein protrusions are arranged on interior wall of the utensil to form a non-smooth surface, said protrusion has a height of 20-999 ?m and a projection area of 314-783431 ?m2 with respect to the interior surface of the utensil, the protrusions are so distributed that the total projection area of protrusions on the surface of the interior wall is about 10%-60% of the surface area, a coating film is formed on said non-smooth surface with protrusions. As compared with utensils with smooth surface, the sticking intensity and stickiness between foods and the utensil of present invention may be decreased by 60%-80%.
    Type: Grant
    Filed: September 24, 2004
    Date of Patent: November 13, 2012
    Assignee: Jilin University
    Inventors: Luquan Ren, Xiaoming Qiu, Qingping Liu, Guilan Zhang, Zhanrong Cui, Hongxiu Yang, Liang Ge
  • Publication number: 20120198904
    Abstract: A multiple clamp type stretching and forming machine is composed of multiple material clamping mechanisms (1), multiple material stretching mechanisms (2) and a frame (3). The material clamping mechanism (1) is composed of a material clamping frame (7), material clamping blocks (8, 9) and a hydraulic cylinder (6) for clamping material. The two sides of the frame (3) are arranged with a row of multiple material clamping mechanisms (1), respectively. The material clamping frame (7) of each material clamping mechanism (1) is provided with one or two connecting holes (5), which connect with one or more material stretching mechanisms (2) through a universal push-pull mechanism (4). The stretching and forming machine can improve the utilization ratio of the material, and reduce the manufacturing cost.
    Type: Application
    Filed: October 8, 2010
    Publication date: August 9, 2012
    Applicant: Jilin University
    Inventors: Mingzhe Li, Qigang Han, Wenzhi Fu, Pengxiao Feng, Yushan Deng, Zhongyi Cai, Chunguo Liu, Zhen Sui
  • Patent number: 8210014
    Abstract: A flexible forming device for forming three-dimensional shaped workpieces, comprising a frame, at least two working rollers, one or more working roller driving mechanisms and one or more adjusting mechanisms, wherein the working rollers, the one or more working roller driving mechanisms and the one or more adjusting mechanisms are installed on the frame respectively. At least one of the working rollers is a flexible working roller, which is bendable and adjustable. The forming device need not use mold and can realize the continuous formation of a three-dimensional curved surface of a plate-shaped workpiece, and the gradual formation of a tube-shaped or bar-shaped three-dimensional shaped workpiece. The forming device can save manpower, material and time.
    Type: Grant
    Filed: February 9, 2007
    Date of Patent: July 3, 2012
    Assignee: Jilin University
    Inventors: Mingzhe Li, Zhiqing Hu, Zhongyi Cai, Wenzhi Fu, Chunguo Liu, Zhen Sui, Xiangji Cui, Yushan Deng, Gang Sun, Xiangji Li
  • Patent number: 8082771
    Abstract: The present invention discloses an adjustable hydraulic press with both upper and lower double action, specially suitable for the cylindrical gear formed by stamping or expanding, closed forging and the metal cold forming or metal hot forming of punching, finishing, flanging and drawing of sheet materials. The press comprises four columns, an upper beam, a main slide block, a hold down slide block, a fixing worktable, a floating worktable and a lower beam. A hydraulic chamber a of master cylinder fixed in the upper beam communicates to a hydraulic chamber of an auxiliary cylinder, a plunger of the master cylinder is connected to the main slide block and drives it. A hydraulic chamber of a gas-liquid power accumulator fixed in the main slide block communicates to a hydraulic chamber of a hold down cylinder, a plunger of the hold down cylinder is connected to the hold down slide block and drives it. A plunger of an ejecting cylinder fixed in the lower beam is connected to the floating worktable and drives it.
    Type: Grant
    Filed: February 4, 2005
    Date of Patent: December 27, 2011
    Assignee: Jilin University
    Inventors: Yuquan Song, Minghui Wang, Xiaofang Guan
  • Patent number: 8074739
    Abstract: The present invention relates to a sampler for gas hydrates by hole bottom freezing, the sampler comprises a fisher, a wire-line coring mechanism and an outer barrel, and it further comprises a refrigeration portion, a low temperature control portion and a frozen insulation sample portion, which constitute an inner barrel assembly located inside the outer barrel together, wherein a refrigerant in the refrigeration portion is injected into the frozen insulation sample portion under a control of the low temperature control portion, so that a cooling medium in the frozen insulation sample portion is always kept under a predetermined temperature, and a core sample of gas hydrates is frozen at the bottom of a drill hole. The invention also relates to a sampling method using the sampler as mentioned above.
    Type: Grant
    Filed: March 12, 2009
    Date of Patent: December 13, 2011
    Assignee: Jilin University
    Inventors: Youhong Sun, Wei Guo, Valery Konstantinovich Chistyakov, Chen Chen, Zupei Zhang, Jun Xue
  • Publication number: 20110134423
    Abstract: The present invention provides an adulterated peanut oil detector and an adulterated peanut oil detection method, and pertains to the technical domain of product analysis. The detector comprises a casing, a LCD and Return key, Enter key, Up key, Down key, a power switch, a power socket, and a USB interface arranged on the casing, and a microprocessor and a power supply unit mounted in the casing and electrically connected to the components on the casing, wherein, a module cover is arranged on the top surface of the casing, and a pretreatment module and a detection module are mounted in the space under the module cover. The pretreatment module comprises a heating body and cuvette slots, and the detection module comprises an axial fan, a radiating plate, a refrigerating plate, and cuvette slots. The detection method comprises sample preheating procedure and slow refrigeration procedure.
    Type: Application
    Filed: December 9, 2009
    Publication date: June 9, 2011
    Applicant: Changchun Jilin University Little Swan Instruments Co., Ltd
    Inventors: Aimin Yu, Zhende Wang
  • Patent number: 7718917
    Abstract: An improved fusion welding system having a heating unit and welding device is adapted for increasing the efficiency of welding a plurality of workpieces. The system preferably presents a single-sided process, and includes first and second electrode wheels operable to heat a portion of the workpieces to a minimum temperature, and a translatable laser cooperatively configured to form a continuous weld within the heated portion. The preferred system provides the advantages of laser welding, such as precision, while enabling weld production at lower laser power outputs or faster welding speeds than conventional laser welding systems.
    Type: Grant
    Filed: July 8, 2005
    Date of Patent: May 18, 2010
    Assignees: GM Global Technology Operations, Inc., Jilin University
    Inventors: Pei-Chung Wang, Xihua Zhao, He Zhao
  • Publication number: 20100098717
    Abstract: The present invention relates to new polypeptides recognized by anti-Trichinella antibodies. The invention also relates to the use of said polypeptides for the detection of anti-Trichinella antibodies and for the prevention of trichinellosis.
    Type: Application
    Filed: February 7, 2007
    Publication date: April 22, 2010
    Applicants: Institut National de la Recherche Agronomique, Agenec Francaise de Securite Sanitaire des Aliments, Jilin University
    Inventors: Pascal Boireau, Mingyuan Liu, Baoquan Fu, Danielle Le Rhun, Céline Bahuon, Isabelle Vallee, Franck Le Guerhier, Romel Hernandez Bello, Xiuping Wu
  • Publication number: 20090229382
    Abstract: The present invention relates to a sampler for gas hydrates by hole bottom freezing, the sampler comprises a fisher, a wire-line coring mechanism and an outer barrel, and it further comprises a refrigeration portion, a low temperature control portion and a frozen insulation sample portion, which constitute an inner barrel assembly located inside the outer barrel together, wherein a refrigerant in the refrigeration portion is injected into the frozen insulation sample portion under a control of the low temperature control portion, so that a cooling medium in the frozen insulation sample portion is always kept under a predetermined temperature, and a core sample of gas hydrates is frozen at the bottom of a drill hole. The invention also relates to a sampling method using the sampler as mentioned above.
    Type: Application
    Filed: March 12, 2009
    Publication date: September 17, 2009
    Applicant: Jilin University
    Inventors: Youhong Sun, Wei Guo, V. K. Chistyakov, Chen Chen, Zupei Zhang, Jun Xue
  • Publication number: 20080098908
    Abstract: The present invention discloses an adjustable hydraulic press with both upper and lower double action, specially suitable for the cylindrical gear formed by stamping or expanding, closed forging and the metal cold forming or metal hot forming of punching, finishing, flanging and drawing of sheet materials. The press comprises four columns, an upper beam, a main slide block, a hold down slide block, a fixing worktable, a floating worktable and a lower beam. The hydraulic chamber of master cylinder fixed in the upper beam communicates to the hydraulic chamber of the auxiliary cylinder, the plunger of master cylinder is connected to the main slide block and drives it. The hydraulic chamber of gas-liquid power accumulator fixed in the main slide block communicates to the hydraulic chamber of hold down cylinder, the plunger of hold down cylinder is connected to the hold down slide block and drives it. The plunger of ejecting cylinder fixed in the lower beam is connected to the floating worktable and drives it.
    Type: Application
    Filed: February 4, 2005
    Publication date: May 1, 2008
    Applicant: Jilin University
    Inventors: Yuquan Song, Minghui Wang, Xiaofang Guan