Patents by Inventor Wenhuan Gao
Wenhuan Gao 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: 7470914Abstract: Disclosed is a dual array detector module adapted to radiation-imaging, comprising: a first detector array consisting of a plurality of first detectors and arranged on a first surface of a heavy metal plate; a second detector array consisting of a plurality of second detectors and arranged on a second surface of the heavy metal plate opposite to the first surface; and a mounting frame, in which the first detector away and the second detector array arranged on the first and second surfaces of the heavy metal plate respectively are mounted in the mounting frame, a housing which has a substantially elbow shape in cross-section, wherein an electronic circuit board having an output terminal and an input terminal is disposed inside the housing, in which the input terminal of the electronic circuit board is connected to signal output terminals of the first and second detector arrays and the output terminal of the electronic circuit board is connected to a socket mounted on the housing.Type: GrantFiled: May 31, 2006Date of Patent: December 30, 2008Assignee: Nuctech Company LimitedInventors: Yuanjing Li, Shuwei Li, Qingjun Zhang, Qingwen Miao, Wenhuan Gao, Zhude Dai, Nianming Jiang
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Patent number: 7239245Abstract: A method and device for monitoring the position of radioactive materials in vehicles relates to a technical field of monitoring of radioactive materials.Type: GrantFiled: September 17, 2004Date of Patent: July 3, 2007Assignees: Tsinghua University, Nuctech Company LimitedInventors: Kejun Kang, Wenhuan Gao, Xiaobing Wang, Jianmin Li, Yu He, Yinong Liu, Yuanjing Li
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Publication number: 20060273259Abstract: The present invention discloses a dual array detector module adapted to radiation-imaging, comprising: a first detector array consisting of a plurality of first detectors and arranged on a first surface of a heavy metal plate; a second detector array consisting of a plurality of second detectors and arranged on a second surface of the heavy metal plate, the second surface is opposite to the first surface; and a mounting frame, in which the first detector array and the second detector array arranged on the first and second surfaces of the heavy metal plate respectively are mounted in the mounting frame. The dual array detector module according to the present invention is simple in structure and convenient for mounting and maintenance, so that a great economic benefit can be obtained by improving the structure simply and increasing a little of investment.Type: ApplicationFiled: May 31, 2006Publication date: December 7, 2006Inventors: Yuanjing Li, Shuwei Li, Qingjun Zhang, Qingwen Miao, Wenhuan Gao, Zhude Dai, Nianming Jiang
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Patent number: 6922461Abstract: An inspection system for air cargoes, in which an accelerator, a collimator, and a vertical detector arm are all mounted on the floor; detectors are provided within both the horizontal detector arm and the vertical arm; the accelerator, the collimator, the horizontal detector arm and the vertical detector arm are provided in a same plane; the horizontal detector arm is supported by the upper end of the collimator, the vertical detector arm and the horizontal detector arm are connected to each other and provided in the side opposite to the accelerator; a stable portal-shaped frame is formed by means of the collimator, the horizontal detector arm and the vertical detector arm; the conveying device is located under the horizontal detector arm, being perpendicular to the portal-shaped frame, the collimator is provided between the conveying device and the frame.Type: GrantFiled: February 10, 2004Date of Patent: July 26, 2005Assignees: Tshinghua University, Nuctech Company LimitedInventors: Kejun Kang, Wenhuan Gao, Jianmin Li, Zhiqiang Chen, Yinong Liu, Yuanjing Li, Chuanxiang Tang, Junli Li, Li Zhang, Jianjun Su, Rongxuan Liu
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Patent number: 6920197Abstract: A vehicle-carried mobile container inspection apparatus characterized in that the mobile container inspection apparatus comprises a first box-shaped cabin arranged in the front portion of the chassis and provided with a workroom accommodating a scan control module, an image acquisition module and an operation/inspection module; and a second box-shaped cabin and a third box-shaped cabin both arranged on the rear portion of the rotatable platform, in which the second box-shaped cabin is arranged on the top of the third box-shaped cabin, the control unit of the radiation source is accommodated in the second box-shaped cabin, the third box-shaped cabin is arranged under the rotatable platform, the radiation source is arranged in the third box-shaped cabin, the level of the radiation source from which the X-ray beam emit is arranged below the level of the chassis, the scanning vehicle is provided with a driving means to smoothly move the scanning vehicle the rotatable platform is provided with a rotatably drivingType: GrantFiled: October 15, 2003Date of Patent: July 19, 2005Assignees: Tsinghua University, Nuctech Company LimitedInventors: Kejun Kang, Wenhuan Gao, Yinong Liu, Yuanjing Li, Jianmin Li, Chuanxiang Tang, Junli Li, Hua Peng, Quanwei Song, Shuxiong Cao, Liwei Song
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Publication number: 20050105681Abstract: A method and device for monitoring the position of radioactive materials in vehicles relates to a technical field of monitoring of radioactive materials.Type: ApplicationFiled: September 17, 2004Publication date: May 19, 2005Inventors: Kejun Kang, Wenhuan Gao, Xiaobing Wang, Jianmin Li, Yu He, Yinong Liu, Yuanjing Li
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Patent number: 6837657Abstract: A trailer of an automatically scanning-type radiation inspecting system used for large-sized object, comprising a trailer body provided with a bevel portion at a tail end of a top surface thereof and positioning recesses adaptive to lower portions of front wheels of a vehicle carrying objects to be inspected respectively, a plurality of pairs of guide wheels mounted to a bottom surface of the trailer body and can be supported and run on rails, connection rods provided at front and rear ends of the bottom surface of the trailer body and used for connecting to wire ropes of winches respectively, anchoring hooks provided at front and rear ends of the bottom surface of the trailer body and used for engaging with wedges arranged on the ground, and holding means provided at front and back sides of the positioning recesses and used for holding the front wheels of the vehicle in the positioning recesses during movement of the trailer.Type: GrantFiled: November 13, 2003Date of Patent: January 4, 2005Assignees: Nuctech Company Limited, Tsinghua UniversityInventors: Jianmin Li, Wenhuan Gao, Yinong Liu, Jianjun Su, Ning Li, Wanquan Shen, Rongxuan Liu
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Publication number: 20040213374Abstract: An inspection system for air cargoes, in which an accelerator, a collimator, and a vertical detector arm are all mounted on the floor; detectors are provided within both the horizontal detector arm and the vertical arm; the accelerator, the collimator, the horizontal detector arm and the vertical detector arm are provided in a same plane; the horizontal detector arm is supported by the upper end of the collimator, the vertical detector arm and the horizontal detector arm are connected to each other and provided in the side opposite to the accelerator; a stable portal-shaped frame is formed by means of the collimator, the horizontal detector arm and the vertical detector arm; the conveying device is located under the horizontal detector arm, being perpendicular to the portal-shaped frame, the collimator is provided between the conveying device and the frame.Type: ApplicationFiled: February 10, 2004Publication date: October 28, 2004Applicants: Tsinghua University, Nuctech Company LimitedInventors: Kejun Kang, Wenhuan Gao, Jianmin Li, Zhiqiang Chen, Yinong Liu, Yuanjing Li, Chuanxiang Tang, Junli Li, Li Zhang, Jianjun Su, Rongxuan Liu
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Publication number: 20040146371Abstract: A trailer of an automatically scanning-type radiation inspecting system used for large-sized object, comprising a trailer body provided with a bevel portion at a tail end of a top surface thereof and positioning recesses adaptive to lower portions of front wheels of a vehicle carrying objects to be inspected respectively, a plurality of pairs of guide wheels mounted to a bottom surface of the trailer body and can be supported and run on rails, connection rods provided at front and rear ends of the bottom surface of the trailer body and used for connecting to wire ropes of winches respectively, anchoring hooks provided at front and rear ends of the bottom surface of the trailer body and used for engaging with wedges arranged on the ground, and holding means provided at front and back sides of the positioning recesses and used for holding the front wheels of the vehicle in the positioning recesses during movement of the trailer.Type: ApplicationFiled: November 13, 2003Publication date: July 29, 2004Inventors: Jianmin Li, Wenhuan Gao, Yinong Liu, Jianjun Su, Ning Li, Wanquan Shen, Rongxuan Liu
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Publication number: 20040125914Abstract: A vehicle-carried mobile container inspection apparatus characterized in that the mobile container inspection apparatus comprises a first box-shaped cabin arranged in the front portion of the chassis and provided with a workroom accommodating a scan control module, an image acquisition module and an operation/inspection module; and a second box-shaped cabin and a third box-shaped cabin both arranged on the rear portion of the rotatable platform, in which the second box-shaped cabin is arranged on the top of the third box-shaped cabin, the control unit of the radiation source is accommodated in the second box-shaped cabin, the third box-shaped cabin is arranged under the rotatable platform, the radiation source is arranged in the third box-shaped cabin, the level of the radiation source from which the X-ray beam emit is arranged below the level of the chassis, the scanning vehicle is provided with a driving means to smoothly move the scanning vehicle; the rotatable platform is provided with a rotatably drivingType: ApplicationFiled: October 15, 2003Publication date: July 1, 2004Applicant: Tsinghua University & Nuctech Company LimitedInventors: Kejun Kang, Wenhuan Gao, Yinong Liu, Yuanjing Li, Jianmin Li, Chuanxiang Tang, Junli Li, Hua Peng, Quanwei Song, Shuxiong Cao, Liwei Song
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Patent number: 6563903Abstract: A relocatable container inspection device, which is constituted by modularized units, is used for inspecting a container.Type: GrantFiled: July 23, 2001Date of Patent: May 13, 2003Assignees: Tsinghua University, Nuctech Company LimitedInventors: Kejun Kang, Wenhuan Gao, Yinong Liu, Zhiqiang Chen, Yuanjing Li, Jianmin Li, Chuanxiang Tang, Junli Li, Huayi Zhang, Wanlong Wu, Zhizhong Liang, Dong Yun, Ou Sun, Jianjun Su, Shangmin Sun
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Publication number: 20020136353Abstract: A relocatable container inspection device, which is constituted by modularized units, is used for inspecting a container.Type: ApplicationFiled: July 23, 2001Publication date: September 26, 2002Inventors: Kejun Kang, Wenhuan Gao, Yinong Liu, Zhiqiang Chen, Yuanjing Li, Jianmin Li, Chuanxiang Tang, Junli Li, Huayi Zhang, Wanlong Wu, Zhizhong Liang, Dong Yun, Ou Sun, Jianju Su, Shangmin Sun