Patents by Inventor Tiejun Fu
Tiejun Fu 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: 10640133Abstract: The present invention discloses a connecting rod type two-level locking device, a hopper car bottom door and a hopper car, and belongs to the technical field of rail wagons. The connecting rod type two-level locking device includes a transmission shaft, a door opening arm, a first roller, a second roller, a first locating pin, a standstill locking disk and a linkage mechanism. The hopper car bottom door includes the connecting rod type two-level locking device. The hopper car includes the bottom door. Even if the connecting rod type two-level locking device is accidentally stressed, the linkage mechanism cannot rotate, and at this time, the slave arm cannot rotate neither. The accidental opening of the hopper car bottom door can be avoided. The hopper car is more reliable to use.Type: GrantFiled: November 17, 2017Date of Patent: May 5, 2020Assignee: CRRC Yangtze Corporation LimitedInventors: Chunjiang Shi, Mingdao Sun, Qiangjun Jiang, Fengwei Liu, Baolei Wang, Wenliang Liu, Chuqiang Tang, Ruijin Jiang, Liangcai Lin, Tiejun Fu
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Patent number: 10161468Abstract: The present invention provides a two-stage stiffness type elastomer combined device, including at least one small-stiffness elastic element and a large-stiffness elastic element, wherein the small-stiffness elastic element is arranged in an elastomer pre-compression device and is serially arranged with the large-stiffness elastic element under the action of a pre-compression load F1. The device has combined stiffness being hard at first and then becoming soft and is used as an elastic axle box suspension device of a railway vehicle, effectively solving the contradiction that a linear snaking critical operation speed of the vehicle and curve passing performance of the vehicle cannot be compromised.Type: GrantFiled: October 31, 2014Date of Patent: December 25, 2018Assignee: CRRC Yangtze Corporation LimitedInventors: Zhixiong Yan, Ruijin Jiang, Liangwei Zhang, Hong Cui, Fengwei Liu, Wenliang Liu, Tiejun Fu, Zhaojun Dan
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Patent number: 9919718Abstract: The present invention provides a variable stiffness positioning device for a railway vehicle bogie axle box. The variable stiffness positioning device includes a vertical elastomer arranged between the top face of an axle box bearing saddle and the bottom surface of a guide frame of a side fame, and a longitudinal elastomer arranged between the axle box bearing saddle and the front and back side faces of the guide frame of the side fame, the longitudinal elastomer is provided with at least one small-stiffness elastic element and a large-stiffness elastic element, and the small-stiffness elastic element is arranged in an elastomer pre-compression device and is serially arranged with the large-stiffness elastic element under the action of a pre-compression load F1.Type: GrantFiled: October 31, 2014Date of Patent: March 20, 2018Assignee: CRRC Yangtze Corporation LimitedInventors: Zhixiong Yan, Ruijin Jiang, Liangwei Zhang, Hong Cui, Fengwei Liu, Wenliang Liu, Tiejun Fu, Zhaojun Dan, Pingping Wang
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Publication number: 20180072333Abstract: The present invention discloses a connecting rod type two-level locking device, a hopper car bottom door and a hopper car, and belongs to the technical field of rail wagons. The connecting rod type two-level locking device includes a transmission shaft, a door opening arm, a first roller, a second roller, a first locating pin, a standstill locking disk and a linkage mechanism. The hopper car bottom door includes the connecting rod type two-level locking device. The hopper car includes the bottom door. Even if the connecting rod type two-level locking device is accidentally stressed, the linkage mechanism cannot rotate, and at this time, the slave arm cannot rotate neither. The accidental opening of the hopper car bottom door can be avoided. The hopper car is more reliable to use.Type: ApplicationFiled: November 17, 2017Publication date: March 15, 2018Applicant: CSR Yangze Co., Ltd.Inventors: Chunjiang SHI, Mingdao SUN, Qiangjun JIANG, Fengwei LIU, Baolei WANG, Wenliang LIU, Chuqiang TANG, Ruijin JIANG, Liangcai LIN, Tiejun FU
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Patent number: 9789883Abstract: The present invention discloses a two-level locking device, a hopper car bottom door and a hopper car. The device includes a first transmission shaft, a second transmission shaft, a clutch, a pressure mechanism and a reset mechanism, wherein under the pressure action of the pressure mechanism, the clutch separates the first transmission shaft from the second transmission shaft, and under the action of the reset mechanism, the clutch joints the first transmission shaft with the second transmission shaft. The bottom door includes the device. The hopper car includes the bottom door. By adopting the device, when the clutch is accidently separated by the pressure action of the pressure mechanism, the reset mechanism can re-joint the clutch to prevent the accidental rotation of the first transmission shaft and the second transmission shaft. By adopting the bottom door, the hopper car bottom door opened and closed by a planar four-bar linkage passing a dead point is more reliable to use.Type: GrantFiled: November 6, 2014Date of Patent: October 17, 2017Assignee: CRRC Yangtze Corporation LimitedInventors: Chunjiang Shi, Mingdao Sun, Qiangjun Jiang, Fengwei Liu, Baolei Wang, Wenliang Liu, Chuqiang Tang, Ruijin Jiang, Liangcai Lin, Tiejun Fu
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Publication number: 20170129509Abstract: The present invention provides a variable stiffness positioning device for a railway vehicle bogie axle box. The variable stiffness positioning device includes a vertical elastomer arranged between the top face of an axle box bearing saddle and the bottom surface of a guide frame of a side fame, and a longitudinal elastomer arranged between the axle box bearing saddle and the front and back side faces of the guide frame of the side fame, the longitudinal elastomer is provided with at least one small-stiffness elastic element and a large-stiffness elastic element, and the small-stiffness elastic element is arranged in an elastomer pre-compression device and is serially arranged with the large-stiffness elastic element under the action of a pre-compression load F1.Type: ApplicationFiled: October 31, 2014Publication date: May 11, 2017Inventors: Zhixiong Yan, Ruijin Jiang, Liangwei Zhang, Hong Cui, Fengwei Lui, Wenliang Lui, Tiejun Fu, Zhaojun Dan, Pingping Wang
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Publication number: 20160146284Abstract: The present invention provides a two-stage stiffness type elastomer combined device, including at least one small-stiffness elastic element and a large-stiffness elastic element, wherein the small-stiffness elastic element is arranged in an elastomer pre-compression device and is serially arranged with the large-stiffness elastic element under the action of a pre-compression load F1. The device has combined stiffness being hard at first and then becoming soft and is used as an elastic axle box suspension device of a railway vehicle, effectively solving the contradiction that a linear snaking critical operation speed of the vehicle and curve passing performance of the vehicle cannot be compromised.Type: ApplicationFiled: October 31, 2014Publication date: May 26, 2016Inventors: Zhixiong Yan, Ruijin Jiang, Liangwei Zhang, Hong Cui, Fengwei Liu, Wenliang Liu, Tiejun Fu, Zhaojun Dan
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Publication number: 20160031454Abstract: The present invention discloses a connecting rod type two-level locking device, a hopper car bottom door and a hopper car, and belongs to the technical field of rail wagons. The connecting rod type two-level locking device includes a transmission shaft, a door opening arm, a first roller, a second roller, a first locating pin, a standstill locking disk and a linkage mechanism. The hopper car bottom door includes the connecting rod type two-level locking device. The hopper car includes the bottom door. Even if the connecting rod type two-level locking device is accidentally stressed, the linkage mechanism cannot rotate, and at this time, the slave arm cannot rotate neither. The accidental opening of the hopper car bottom door can be avoided. The hopper car is more reliable to use.Type: ApplicationFiled: November 6, 2014Publication date: February 4, 2016Inventors: Chunjiang SHI, Mingdao SUN, Qiangjun JIANG, Fengwei LIU, Baolei WANG, Wenliang LIU, Chuqiang TANG, Ruijin JIANG, Liangcai LIN, Tiejun FU
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Publication number: 20150353102Abstract: The present invention discloses a two-level locking device, a hopper car bottom door and a hopper car. The device includes a first transmission shaft, a second transmission shaft, a clutch, a pressure mechanism and a reset mechanism, wherein under the pressure action of the pressure mechanism, the clutch separates the first transmission shaft from the second transmission shaft, and under the action of the reset mechanism, the clutch joints the first transmission shaft with the second transmission shaft. The bottom door includes the device. The hopper car includes the bottom door. By adopting the device, when the clutch is accidently separated by the pressure action of the pressure mechanism, the reset mechanism can re-joint the clutch to prevent the accidental rotation of the first transmission shaft and the second transmission shaft. By adopting the bottom door, the hopper car bottom door opened and closed by a planar four-bar linkage passing a dead point is more reliable to use.Type: ApplicationFiled: November 6, 2014Publication date: December 10, 2015Inventors: Chunjiang SHI, Mingdao SUN, Qiangjun JIANG, Fengwei LIU, Baolei WANG, Wenliang LIU, Chuqiang TANG, Ruijin JIANG, Liangcai LIN, Tiejun FU
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Publication number: 20070254847Abstract: The present invention provides a pharmaceutical composition containing steroidal saponins. The pharmaceutical composition comprises 5˜25 parts by weight of furostanal saponins represented by general formula A or general formula B and 1˜10 parts by weight of spirostanol saponin represented by general formula C. The present invention further provides a method for preparing the pharmaceutical composition. After determination of the three steroidal saponin components in the pharmaceutical composition of the present invention, it is proved that it has high stability and liability in its therapeutic effect. Meanwhile, the method to identify the three steroidal saponins is provided with reliable controllability. Besides, with its daily dosage of 300˜600 mg, which is less dosage, the drug of this invention provides a new choice in clinics.Type: ApplicationFiled: September 29, 2005Publication date: November 1, 2007Applicant: CHENGDU DI'AO PHARMACEUTICAL GROUP CO., LTD.Inventors: Zhongrong Liu, Wei Qi, Tiejun Fu, Wenjun Zou, Yuanqiao Ji, Bogang Li, Yu Huang