Patents by Inventor Cheng-Yen Chen
Cheng-Yen Chen 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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Publication number: 20120309612Abstract: Disclosed is a magnetic catalyst formed by a single or multiple nano metal shells wrapping a carrier, wherein at least one of the metal shells is iron, cobalt, or nickel. The magnetic catalyst with high catalyst efficiency can be applied in a hydrogen supply device, and the device can be connected to a fuel cell. Because the magnetic catalyst can be recycled by a magnet after generating hydrogen, the practicability of the noble metals such as Ru with high catalyst efficiency is dramatically enhanced.Type: ApplicationFiled: August 10, 2012Publication date: December 6, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chan-Li HSUEH, Cheng-Hong LIU, Jie-Ren KU, Ya-Yi HSU, Cheng-Yen CHEN, Reiko OHARA, Shing-Fen TSAI, Chien-Chang HUNG, Ming-Shan JENG
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Patent number: 8299747Abstract: The present invention relates to a single-stage zero-current switching driving circuit for ultrasonic motor, which comprises: a buck-boost converter and a zero-current switching resonant inverter. The driving circuit according to the present invention integrates the buck-boost converter and the resonant inverter into a single-stage structure, so that the buck-boost converter and the resonant inverter share an active switch and a trigger signal, and therefore, the circuit is simplified and the loss caused by stage switching is reduced. Moreover, the buck-boost converter operates in a discontinuous-conduction mode (DCM), which allows the circuit to have high power factor, and enables the active switch to be capable of zero-current switching (ZCS), so that the loss caused by switching is largely reduced. In the driving circuit according to the present invention, there's no interaction of power between the buck-boost converter and the resonant inverter, so that the two circuits can be analyzed individually.Type: GrantFiled: October 25, 2010Date of Patent: October 30, 2012Assignee: Metal Industries Research & Development CentreInventors: Yao-Ching Hsieh, Cheng-Yen Chen, Jian-Yi Hong, Po-Wen Hsueh
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Publication number: 20120244065Abstract: Disclosed is a magnetic catalyst formed by a single or multiple nano metal shells wrapping a carrier, wherein at least one of the metal shells is iron, cobalt, or nickel. The magnetic catalyst with high catalyst efficiency can be applied in a hydrogen supply device, and the device can be connected to a fuel cell. Because the magnetic catalyst can be recycled by a magnet after generating hydrogen, the practicability of the noble metals such as Ru with high catalyst efficiency is dramatically enhanced.Type: ApplicationFiled: June 5, 2012Publication date: September 27, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chan-Li HSUEH, Cheng-Hong LIU, Jie-Ren KU, Ya-Yi HSU, Cheng-Yen CHEN, Reiko OHARA, Shing-Fen TSAI, Chien-Chang HUNG, Ming-Shan JENG
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Publication number: 20120240455Abstract: An embodiment of the invention provides a solid hydrogen fuel with an initial heating mechanism, including: a solid hydrogen fuel; and a heating promoter disposed on at least one surface of the solid hydrogen fuel, wherein the heating promoter proceeds with an exothermal reaction when contacted with water. Another embodiment of the invention provides: a solid hydrogen fuel with an initial heating mechanism, including a solid hydrogen fuel; and an electrical heating element in contact with the solid hydrogen fuel.Type: ApplicationFiled: August 9, 2011Publication date: September 27, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Jie-Ren KU, Shing-Fen TSAI, Chan-Li HSUEH, Cheng-Yen CHEN, Yu-Wen LU, Fanghei TSAU, Chung-Ching TU, Chia-Cheng WU, Yih-Hang CHEN
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Patent number: 8052883Abstract: A method for forming a periodic structure is disclosed. A structural layer and an optical modulation element are provided. A light is emitted to pass through the optical modulation element to irradiate interference strips on the structural layer. A photoelectrochemical etching (PEC) is performed to form the periodic structure according the interference strips irradiated on the structural layer.Type: GrantFiled: May 6, 2008Date of Patent: November 8, 2011Assignee: National Taiwan UniversityInventors: Chih-Chung Yang, Cheng-Yen Chen, Cheng-Hung Lin, Dong-Ming Yeh
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Publication number: 20110217456Abstract: Disclosed is a magnetic catalyst formed by a single or multiple nano metal shells wrapping a carrier, wherein at least one of the metal shells is iron, cobalt, or nickel. The magnetic catalyst with high catalyst efficiency can be applied in a hydrogen supply device, and the device can be connected to a fuel cell. Because the magnetic catalyst can be recycled by a magnet after generating hydrogen, the practicability of the noble metals such as Ru with high catalyst efficiency is dramatically enhanced.Type: ApplicationFiled: May 13, 2011Publication date: September 8, 2011Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chan-Li HSUEH, Cheng-Hong LIU, Jie-Ren KU, Ya-Yi HSU, Cheng-Yen CHEN, Reiko OHARA, Shing-Fen TSAI, Chien-Chang HUNG, Ming-Shan JENG
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Patent number: 8003267Abstract: Disclosed is a flexible power supply including a hydrogen supply device connected to a flexible fuel cell, wherein the hydrogen supply device includes a moldable hydrogen fuel. In one embodiment, the flexible fuel cell is a sheet structure, and the hydrogen supply device is a flexible flat bag, wherein the fuel cell and the hydrogen supply device are adhered to complete a sheet of a flexible power supply. The sheet of flexible power supply can be put in the pocket of cloth or baggage, or directly sewn on the outside of cap or overcoat.Type: GrantFiled: September 3, 2009Date of Patent: August 23, 2011Assignee: Industrial Technology Research InstituteInventors: Jie-Ren Ku, Chan-Li Hsueh, Ya-Yi Hsu, Cheng-Yen Chen, Shing-Fen Tsai, Reiko Ohara, FangHei Tsau, Chien-Chang Hung, Ming-Shan Jeng
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Publication number: 20110142754Abstract: An one-off and adjustment method of hydrogen releasing from chemical hydride. The “one/off” of hydrogen release is controlled by the “contact/non-contact” procedures between the reactants. First, at least a hydride powder, a catalyst powder and a water-containing reactant are provided, and at least any two of three are mixed to form a mixture. Hydrogen gas is generated by adjusting a contact area between the mixture and the remaining one. The hydrogen-releasing reaction is terminated when a non-contacting state between the mixture and the remaining one occurs. Alternatively, an inhibitor or an inhibiting method could be used for suppressing or terminating the hydrogen-releasing reaction. The hydrogen-releasing rate could be controlled and adjusted by the extent of suppression.Type: ApplicationFiled: August 27, 2010Publication date: June 16, 2011Inventors: Jie-Ren KU, Chan-Li HSUEH, Cheng-Yen CHEN, Ming-Shan JENG, Fang-hei TSAU
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Publication number: 20110143240Abstract: A hydrogen generation system comprising solid hydrogen fuel, a liquid absorbent material, and a phase-change material is provided. When the liquid (usually water, alcohol, or aqueous solution of alcohol, aqueous solution of salt or aqueous solution of acid) in the absorbent material contacts with the solid hydrogen fuel, the solid hydrogen fuel will react with the liquid to release hydrogen and generate heat. The heat as generated will accumulate to increase the reaction temperature, and then boost the hydrogen-releasing rate. The phase-change material is adjacent to the solid hydrogen fuel for absorbing and storing the reaction heat, so as to stabilize the reaction temperature. Therefore, the hydrogen-releasing rate is kept as constant to achieve a steady hydrogen flow.Type: ApplicationFiled: July 30, 2010Publication date: June 16, 2011Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chan-Li Hsueh, Jie-Ren Ku, Cheng-Yen Chen, Ming-Shan Jeng, Fang-hei Tsau
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Publication number: 20110143235Abstract: A power supply device is provided. The power supply device includes a fuel cell, a hydrogen generator, a check valve and an exhaust valve. The fuel cell has a hydrogen inlet and a hydrogen outlet. The hydrogen generator is connected to the hydrogen inlet and used for generating hydrogen. The check valve is disposed in the hydrogen inlet and used for preventing the hydrogen within the fuel cell from flowing to the hydrogen generator, and preventing exterior air from entering the fuel cell. The exhaust valve is disposed in the hydrogen outlet for exhausting the hydrogen within the fuel cell.Type: ApplicationFiled: July 30, 2010Publication date: June 16, 2011Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Jie-Ren Ku, Chan-Li Hsueh, Ya-Yi Hsu, Fang-hei Tsau, Reiko Ohara, Shing-Fen Tsai, Chien-Chang Hung, Ming-Shan Jeng, Cheng-Yen Chen
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Patent number: 7959898Abstract: Disclosed is super water absorbent polymers applied to contain water, and the polymers may further collocate with water absorbent cotton materials to accelerate water absorbent rates. The described water absorbent materials are combined with solid hydrogen fuel to complete a stable hydrogen supply device. Performance of the hydrogen supply device is not effected by inverting or tilting thereof. Even if inverting or tilting the device, the water contained in the water absorbent materials does not flow out from the device. As such, the MEA film in the fuel cell connected to the hydrogen supply device will not blocked by the water, thereby avoiding the fuel cell performance degradation even breakdown.Type: GrantFiled: June 26, 2009Date of Patent: June 14, 2011Assignee: Industrial Technology Research InstituteInventors: Chan-Li Hsueh, Jie-Ren Ku, Ya-Yi Hsu, Shing-Fen Tsai, Reiko Ohara, Chien-Chang Hung, Cheng-Yen Chen, Ming-Shan Jeng, Fanghei Tsau
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Publication number: 20110095711Abstract: The present invention relates to a single-stage zero-current switching driving circuit for ultrasonic motor, which comprises: a buck-boost converter and a zero-current switching resonant inverter. The driving circuit according to the present invention integrates the buck-boost converter and the resonant inverter into a single-stage structure, so that the buck-boost converter and the resonant inverter share an active switch and a trigger signal, and therefore, the circuit is simplified and the loss caused by stage switching is reduced. Moreover, the buck-boost converter operates in a discontinuous-conduction mode (DCM), which allows the circuit to have high power factor, and enables the active switch to be capable of zero-current switching (ZCS), so that the loss caused by switching is largely reduced. In the driving circuit according to the present invention, there's no interaction of power between the buck-boost converter and the resonant inverter, so that the two circuits can be analyzed individually.Type: ApplicationFiled: October 25, 2010Publication date: April 28, 2011Applicant: METAL INDUSTRIES RESEARCH & DEVELOPMENT CENTREInventors: YAO-CHING HSIEH, CHENG-YEN CHEN, JIAN-YI HONG, PO-WEN HSUEH
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Publication number: 20110013192Abstract: A method for forming a localized surface plasmon resonance (LSPR) sensor is disclosed, including providing a substrate, forming a metal thin film on the substrate and irradiating the metal thin film with a laser to form a plurality of metal nanoparticles, wherein the metal nanoparticles have a fixed orientation.Type: ApplicationFiled: February 1, 2010Publication date: January 20, 2011Applicant: NATIONAL TAIWAN UNIVERSITYInventors: Chih-Chung Yang, Cheng-Yen Chen, Jyh-Yang Wang, Yen-Cheng Lu, Hung-Yu Tseng, Fu-Ji Tsai
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Patent number: 7855491Abstract: A prestress-adjustable piezoelectric gripping device is provided, in which a prestressing device adjusts a prestressing force applied to a piezoelectric element of a piezoelectric unit on the basis of a feedback signal from a force-sensing unit, so as to adjust the friction between the piezoelectric unit and a gripping unit. By utilizing the deformation of the piezoelectric element to drive the gripping unit many times, the gripping velocity and gripping force of the gripping unit can be controlled, and the prestress-adjustable piezoelectric gripping device of the invention can achieve a long driving displacement while maintaining high precision.Type: GrantFiled: December 30, 2008Date of Patent: December 21, 2010Assignee: Metal Industries Research & Development CenterInventors: Po-Wen Hsueh, Cheng-Yen Chen, Chung-Hsien Lin, Shih-Wei Hsiao, Wu-Sung Yao, Mi-Ching Tsai
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Publication number: 20100314606Abstract: A light-emitting device is disclosed, including a light-emitting element and a surface plasmon coupling element, having an intermediary layer connected to the light-emitting element and a metal structure on the intermediary layer, wherein the intermediary layer is conductive under low-frequency injection current and has the characteristics as dielectric material in a wavelength range 100 nm˜20000 nm.Type: ApplicationFiled: August 19, 2009Publication date: December 16, 2010Applicant: NATIONAL TAIWAN UNIVERSITYInventors: Chih-Chung Yang, Yen-Cheng Lu, Kun-Ching Shen, Fu-Ji Tsai, Jyh-Yang Wang, Cheng-Hung Lin, Chih-Feng Lu, Cheng-Yen Chen, Yean-Woei Kiang
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Publication number: 20100285376Abstract: Disclosed is a magnetic catalyst formed by a single or multiple nano metal shells wrapping a carrier, wherein at least one of the metal shells is iron, cobalt, or nickel. The magnetic catalyst with high catalyst efficiency can be applied in a hydrogen supply device, and the device can be connected to a fuel cell. Because the magnetic catalyst can be recycled by a magnet after generating hydrogen, the practicability of the noble metals such as Ru with high catalyst efficiency is dramatically enhanced.Type: ApplicationFiled: July 14, 2009Publication date: November 11, 2010Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chan-Li Hsueh, Cheng-Hong Liu, Jie-Ren Ku, Ya-Yi Hsu, Cheng-Yen Chen, Reiko Ohara, Shing-Fen Tsai, Chien-Chang Hung, Ming-Shan Jeng, Fanghei Tsau
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Publication number: 20100279183Abstract: Disclosed is a flexible power supply including a hydrogen supply device connected to a flexible fuel cell, wherein the hydrogen supply device includes a moldable hydrogen fuel. In one embodiment, the flexible fuel cell is a sheet structure, and the hydrogen supply device is a flexible flat bag, wherein the fuel cell and the hydrogen supply device are adhered to complete a sheet of a flexible power supply. The sheet of flexible power supply can be put in the pocket of cloth or baggage, or directly sewn on the outside of cap or overcoat.Type: ApplicationFiled: September 3, 2009Publication date: November 4, 2010Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Jie-Ren KU, Chan-Li HSUEH, Ya-Yi HSU, Cheng-Yen CHEN, Shing-Fen TSAI, Reiko OHARA, FangHei TSAU, Chien-Chang HUNG, Ming-Shan JENG
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Publication number: 20100266910Abstract: Disclosed is super water absorbent polymers applied to contain water, and the polymers may further collocate with water absorbent cotton materials to accelerate water absorbent rates. The described water absorbent materials are combined with solid hydrogen fuel to complete a stable hydrogen supply device. Performance of the hydrogen supply device is not effected by inverting or tilting thereof. Even if inverting or tilting the device, the water contained in the water absorbent materials does not flow out from the device. As such, the MEA film in the fuel cell connected to the hydrogen supply device will not blocked by the water, thereby avoiding the fuel cell performance degradation even breakdown.Type: ApplicationFiled: June 26, 2009Publication date: October 21, 2010Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chan-Li HSUEH, Jie-Ren KU, Ya-Yi HSU, Shing-Fen TSAI, Reiko OHARA, Chien-Chang HUNG, Cheng-Yen CHEN, Ming-Shan JENG, Fanghei TSAU
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Publication number: 20100230636Abstract: Solid-state hydrogen fuel with a polymer matrix and fabrication methods thereof are presented. The solid-state hydrogen fuel includes a polymer matrix, and a crushed mixture of a solid chemical hydride and a solid-state catalyst uniformly dispersed in the polymer matrix. The fabrication method for the solid-state hydrogen fuel includes crushing and mixing a solid chemical hydride and a solid-state catalyst in a crushing/mixing machine, and adding the polymer matrix into the mixture of the solid chemical hydride and the solid-state catalyst to process a flexible solid-state hydrogen fuel. Moreover, various geometric and/or other shapes may be formed and placed into suitable vessels to react with a particular liquid and provide a steady rate of hydrogen release.Type: ApplicationFiled: June 2, 2009Publication date: September 16, 2010Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chan-Li Hsueh, Jie-Ren Ku, Shing-Fen Tsai, Ya-Yi Hsu, Cheng-Yen Chen, Reiko Ohara, Ming-Shan Jeng, Fanghei Tsau
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Publication number: 20100109477Abstract: A prestress-adjustable piezoelectric gripping device is provided, in which a prestressing device adjusts a prestressing force applied to a piezoelectric element of a piezoelectric unit on the basis of a feedback signal from a force-sensing unit, so as to adjust the friction between the piezoelectric unit and a gripping unit. By utilizing the deformation of the piezoelectric element to drive the gripping unit many times, the gripping velocity and gripping force of the gripping unit can be controlled, and the prestress-adjustable piezoelectric gripping device of the invention can achieve a long driving displacement while maintaining high precision.Type: ApplicationFiled: December 30, 2008Publication date: May 6, 2010Applicant: METAL INDUSTRIES RESEARCH & DEVELOPMENT CENTREInventors: Po-Wen Hsueh, Cheng-Yen Chen, Chung-Hsien Lin, Shih-Wei Hsiao, Wu-Sung Yao, Mi-Ching Tsai