Patents by Inventor Jefferson YS Yang
Jefferson YS Yang 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: 11031805Abstract: The present invention provides a power controller, a power supply system and device and control method thereof. The power command value is adjusted according to the state of the power supply system and the characteristic of the secondary battery. When the converting power of the power converter is larger than or equal to the power command value, or when the charging current is smaller than the minimum charging current, the power controller performs the power adjusting mode for providing the first preset output current value. The power converter adjusts the converting power according to the first preset output current value. When the charging current is larger than or equal to the maximum charging current, the power controller performs the charging control mode for providing the second preset output current value. The power converter adjusts the output current according to the second preset output current value.Type: GrantFiled: September 17, 2018Date of Patent: June 8, 2021Assignee: ASIA PACIFIC FUEL CELL TECHNOLOGIES, LTD.Inventors: Jefferson YS Yang, Chin-Feng Hsu
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Publication number: 20190089190Abstract: The present invention provides a power controller, a power supply system and device and control method thereof. The power command value is adjusted according to the state of the power supply system and the characteristic of the secondary battery. When the converting power of the power converter is larger than or equal to the power command value, or when the charging current is smaller than the minimum charging current, the power controller performs the power adjusting mode for providing the first preset output current value. The power converter adjusts the converting power according to the first preset output current value. When the charging current is larger than or equal to the maximum charging current, the power controller performs the charging control mode for providing the second preset output current value. The power converter adjusts the output current according to the second preset output current value.Type: ApplicationFiled: September 17, 2018Publication date: March 21, 2019Inventors: Jefferson YS Yang, Chin-Feng Hsu
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Publication number: 20180166715Abstract: The present invention provides a fuel cell system and a startup and shutdown method therefor for avoiding carbon corrosion. The fuel cell system includes at least one fuel cell reaction module with at least one anode chamber to contain an anode reaction fluid. The method includes steps of: (a) executing a shutdown mode, (b) conducting and connecting a first load to the fuel cell reaction module so as to consume the anode reaction fluid remained in the anode chamber, (c) providing a buffer fluid to the anode chamber and disconnecting the first load from the anode chamber; (d) maintaining the fuel cell system shutdown, (e) executing a startup mode, (f) providing the anode reaction fluid to the anode chamber, and (g) conducting and connecting a second load to the fuel cell reaction module and maintaining the fuel cell system operated continuously.Type: ApplicationFiled: June 12, 2017Publication date: June 14, 2018Inventors: Jefferson YS Yang, Fang-Bor Weng, Chih-Kai Cheng, Tzu-Wei Kuo
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Publication number: 20180119886Abstract: A hydrogen storage composition, a hydrogen storage container and a method for producing the hydrogen storage container are provided. The hydrogen storage composition includes a thermally-conductive material, a hydrogen storage material, and optionally a granular elastic material. The hydrogen storage container includes a canister body and the hydrogen storage composition. After the hydrogen storage composition is placed into a canister body, a vacuum environment within the canister body is created, and a first weight of the canister body is recorded. Then, hydrogen gas is activated and charged into the canister body, and a second weight of the canister body is recorded. Then, a hydrogen storage amount is calculated according to the first weight and the second weight. If the hydrogen storage amount reaches the predetermined value, the hydrogen storage container is produced.Type: ApplicationFiled: December 27, 2017Publication date: May 3, 2018Inventors: Jefferson YS Yang, Chi-Kai Cheng, Wu-Yao Wei
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Publication number: 20170114959Abstract: A hydrogen storage composition, a hydrogen storage container and a method for producing the hydrogen storage container are provided. The hydrogen storage composition includes a thermally-conductive material, a hydrogen storage material, and optionally an elastic material. The hydrogen storage container includes a canister body and the hydrogen storage composition. After the hydrogen storage composition is placed into a canister body, a vacuum environment within the canister body is created, and a first weight of the canister body is recorded. Then, hydrogen gas is activated and charged into the canister body, and a second weight of the canister body is recorded. Then, a hydrogen storage amount is calculated according to the first weight and the second weight. If the hydrogen storage amount reaches the predetermined value, the hydrogen storage container is produced.Type: ApplicationFiled: October 18, 2016Publication date: April 27, 2017Inventors: Jefferson YS Yang, Chi-Kai Cheng, Wu-Yao Wei
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Publication number: 20170050160Abstract: A container is disclosed. The container includes a canister body, at least one heating device and at least one safety device. The canister body includes an inner space for storing a gas storage material. The at least one heating device is accommodated within an inner space of the canister body for heating the gas storage material, so that the gas storage material releases a gas. The at least one safety device is connected with the corresponding heating device and installed on an end part of the canister body. When a temperature of the inner space is higher than a predetermined temperature value or a pressure of the inner space is higher than a predetermined pressure value, a portion of the gas is released through the safety device.Type: ApplicationFiled: August 19, 2016Publication date: February 23, 2017Inventors: Jefferson YS Yang, Wu-Yao Wei
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Patent number: 9046393Abstract: A method is provided for measuring remaining hydrogen capacity of hydrogen storage canister incorporating tag information. An information identification tag is attached to a hydrogen storage canister. The information identification tag contains therein at least one record of tag information indicating the hydrogen storage quantity of the hydrogen storage canister. Once the hydrogen storage quantity is read from the tag information of the information identification tag and hydrogen consumption quantity supplied from the hydrogen storage canister is detected, the hydrogen storage quantity is operated by subtracting the hydrogen consumption quantity therefrom to calculate a hydrogen residue, which is then used to update the tag information of the information identification tag or is stored for subsequent use.Type: GrantFiled: December 22, 2010Date of Patent: June 2, 2015Assignee: ASIA PACIFIC FUEL CELL TECHNOLOGIES, LTD.Inventors: Jefferson YS Yang, Feng-Hsiang Hsiao, Hong-Shi Chang, Chih-Hsueh Chen
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Patent number: 8978919Abstract: A gas storage cartridge includes a sealed cartridge unit for storing a gas storage material. The gas storage cartridge is defined by a first slab, a peripheral wall, and a second slab. At least one gas-guiding channel is accommodated within a receptacle of the gas storage cartridge. The first slab has a first gas inlet/outlet port and the second slab has a second gas inlet/outlet port aligned with the gas-guiding channel. Consequently, a gas is guided into the receptacle through the gas-guiding channel to be adsorbed by the gas storage material within the receptacle of the gas storage cartridge. Alternatively, the gas released from the gas storage material can be guided to the first gas inlet/outlet port and the second gas inlet/outlet port through the gas-guiding channel.Type: GrantFiled: December 21, 2011Date of Patent: March 17, 2015Assignee: Asia Pacific Fuel Cell Technologies, Ltd.Inventors: Jefferson YS Yang, Cheng-Ham Liao, Feng-Hsiang Hsiao, Tzu-Wei Kuo
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Patent number: 8944119Abstract: A method and system of gas refilling management for gas storage canister utilizing identification accessing control includes an identification information transmission device, a control device, and a gas refilling equipment, which are applicable for management of refilling of at least one storage canister. The storage canister is provided with an information identification label, which contains at least one record of canister information. By using the identification information transmission device to first read the information contained in the label of a storage canister, the control device may then set a refilling condition based on which the gas refilling equipment carries out a refilling operation to the storage canister, so as to suit for management of refilling various types of gas storage canisters to provide the best performance in a practical application.Type: GrantFiled: December 22, 2010Date of Patent: February 3, 2015Assignee: Asia Pacific Fuel Cell Technologies Ltd.Inventors: Jefferson Ys Yang, Feng-Hsiang Hsiao, Hong-Shi Chang, Chih-Hsueh Chen
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Publication number: 20120160712Abstract: A gas storage canister includes a canister body, at least one supporting plate, at least one gas-guiding rod, and at least one compartment structure. The canister body has a bottom end, an outlet opposed to the bottom end, and an inner space. The bottom end and the outlet are arranged along a long axis direction. The supporting plate is accommodated within the inner space along the long axis direction. The supporting plate has at least one communication part. The gas-guiding rod is penetrated through the communication part of the supporting plate. The gas-guiding rod has at least one gas inlet/outlet end for guiding a gas. The compartment structure includes a plurality of compartments. The compartment structure and the supporting plate are accommodated within the inner space of the canister body. Each of the compartments stores a predetermined amount of gas storage material.Type: ApplicationFiled: December 21, 2011Publication date: June 28, 2012Applicant: ASIA PACIFIC FUEL CELL TECHNOLOGIES, LTD.Inventors: Jefferson YS Yang, Cheng-Ham Liao, Feng-Hsiang Hsiao, Tzu-Wei Kuo
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Publication number: 20120160711Abstract: A gas storage cartridge includes a sealed cartridge unit for storing a gas storage material. The gas storage cartridge is defined by a first slab, a peripheral wall, and a second slab. At least one gas-guiding channel is accommodated within a receptacle of the gas storage cartridge. The first slab has a first gas inlet/outlet port and the second slab has a second gas inlet/outlet port aligned with the gas-guiding channel. Consequently, a gas is guided into the receptacle through the gas-guiding channel to be adsorbed by the gas storage material within the receptacle of the gas storage cartridge. Alternatively, the gas released from the gas storage material can be guided to the first gas inlet/outlet port and the second gas inlet/outlet port through the gas-guiding channel.Type: ApplicationFiled: December 21, 2011Publication date: June 28, 2012Applicant: ASIA PACIFIC FUEL CELL TECHNOLOGIES, LTD.Inventors: Jefferson YS Yang, Cheng-Ham Liao, Feng-Hsiang Hsiao, Tzu-Wei Kuo
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Publication number: 20110226382Abstract: A method and system of gas refilling management for gas storage canister utilizing identification accessing control includes an identification information transmission device, a control device, and a gas refilling equipment, which are applicable for management of refilling of at least one storage canister. The storage canister is provided with an information identification label, which contains at least one record of canister information. By using the identification information transmission device to first read the information contained in the label of a storage canister, the control device may then set a refilling condition based on which the gas refilling equipment carries out a refilling operation to the storage canister, so as to suit for management of refilling various types of gas storage canisters to provide the best performance in a practical application.Type: ApplicationFiled: December 22, 2010Publication date: September 22, 2011Applicant: ASIA PACIFIC FUEL CELL TECHNOLOGIES LTD.Inventors: JEFFERSON YS YANG, FENG-HSIANG HSIAO, HONG-SHI CHANG, CHIH-HSUEH CHEN
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Publication number: 20110227742Abstract: A method is provided for measuring remaining hydrogen capacity of hydrogen storage canister incorporating tag information. An information identification tag is attached to a hydrogen storage canister. The information identification tag contains therein at least one record of tag information indicating the hydrogen storage quantity of the hydrogen storage canister. Once the hydrogen storage quantity is read from the tag information of the information identification tag and hydrogen consumption quantity supplied from the hydrogen storage canister is detected, the hydrogen storage quantity is operated by subtracting the hydrogen consumption quantity therefrom to calculate a hydrogen residue, which is then used to update the tag information of the information identification tag or is stored for subsequent use.Type: ApplicationFiled: December 22, 2010Publication date: September 22, 2011Applicant: ASIA PACIFIC FUEL CELL TECHNOLOGIES LTD.Inventors: JEFFERSON YS YANG, FENG-HSIANG HSIAO, HONG-SHI CHANG, CHIH-HSUEH CHEN
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Publication number: 20100015483Abstract: A device for regulating temperature and humidity of a reaction gas to be supplied to a fuel cell stack includes a temperature regulation section provided with a first gas guide board through which the reaction gas flows, a coolant guide board through which a coolant from the fuel cell stack flows and a first partition interposed between the first gas guide board and the coolant guide board for exchange of heat between the reaction gas and the coolant and a humidity regulation section coupled to the temperature regulation section with a second partition therebetween and comprised of a second gas guide board through which the temperature-regulated gas flows and a fluid guide board through which a fluid from the fuel cell stack and rich of water contents flows and a humidity exchange film interposed between the second gas guide board and fluid guide board to allow for exchange of water contents between the temperature-regulated gas and the fluid.Type: ApplicationFiled: August 18, 2009Publication date: January 21, 2010Inventor: Jefferson YS Yang
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Publication number: 20090220848Abstract: A fuel cell stack assembly includes a fuel cell stack, a first pressure-supporting end plate assembly, a first current collector plate, a second pressure-supporting end plate assembly, a second current collector plate, and a pressure-applying structure. The first pressure-supporting end plate assembly is coupled to a first electrode side of the fuel cell stack through the first end plate and the first current collector plate, and the second pressure-supporting end plate assembly is coupled to a second electrode side of the fuel cell stack through the second end plate and the second current collector plate. The pressure-applying structure includes a pressure-applying plate and a pair of side plates form therebetween an open end.Type: ApplicationFiled: February 19, 2009Publication date: September 3, 2009Inventors: Jefferson Ys Yang, Mao-Chun Hsu, Feng-Hsiang Hsiao, Wen-Yi Tseng
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Publication number: 20090208801Abstract: A fuel folded structure cell system with discharged water treatment facilities includes a fuel cell stack, a water collecting device, and a cooling water system. The fuel cell stack discharges hydrogen and oxygen that are not reacted in the electrochemical reaction occurred in the fuel cell stack, and heat produced in the reaction. The water collecting device contains a water absorbing material for collecting reaction produced water bone on the discharged unreacted hydrogen and oxygen. The cooling water system includes a heat exchanger; and heat dissipated from the heat exchanger is blown by a fan provided thereon to the water collecting device to blow dry water absorbed by the water absorbing material.Type: ApplicationFiled: April 22, 2009Publication date: August 20, 2009Inventors: Jefferson YS Yang, Feng-Hsiang Hsiao
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Publication number: 20070259233Abstract: A fuel cell system includes a fuel cell stack and a humidifier. The humidifier includes an unreacted gas inlet port connected to an end of an unreacted hydrogen discharge pipeline, which is connected at the other end to a hydrogen outlet port of the fuel cell stack, such that the unreacted hydrogen discharged from the fuel cell stack via the hydrogen outlet port is led by the unreacted hydrogen discharge pipeline into the humidifier. The humidifier regulates the relative humidity and concentration of the unreacted hydrogen led thereinto, and the humidified unreacted hydrogen is then discharged from the humidifier.Type: ApplicationFiled: May 4, 2007Publication date: November 8, 2007Inventors: Jefferson YS Yang, Feng-Hsiang Hsiao
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Publication number: 20070259232Abstract: A fuel folded structure cell system with discharged water treatment facilities includes a fuel cell stack, a water collecting device, and a cooling water system. The fuel cell stack discharges hydrogen and oxygen that are not reacted in the electrochemical reaction occurred in the fuel cell stack, and heat produced in the reaction. The water collecting device contains a water absorbing material for collecting reaction produced water bone on the discharged unreacted hydrogen and oxygen. The cooling water system includes a heat exchanger; and heat dissipated from the heat exchanger is blown by a fan provided thereon to the water collecting device to blow dry water absorbed by the water absorbing material.Type: ApplicationFiled: May 3, 2007Publication date: November 8, 2007Inventors: Jefferson YS Yang, Feng-Hsiang Hsiao
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Publication number: 20070259245Abstract: A fuel cell system with unreacted anode gas treatment and discharge facilities includes a fuel cell stack and an unreacted anode gas discharge pipeline connected at an end to a hydrogen outlet port of the fuel cell stack. Unreacted anode gas discharged via the hydrogen outlet port is led by the unreacted anode gas discharge pipeline to a catalytic converter or to a cathode catalytic bed of the fuel cell stack via an oxygen inlet port thereof, so that the unreacted anode gas reacts with oxygen at the catalytic converter or the cathode catalytic bed to produce reaction product, which is then discharged.Type: ApplicationFiled: April 30, 2007Publication date: November 8, 2007Inventors: Jefferson YS Yang, Feng-Hsiang Hsiao
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Publication number: 20070224474Abstract: Disclosed is a gas-inlet pressure adjustment structure for a flow field plate of a fuel cell stack. At least one gas inlet opening, at least one gas outlet opening, and a plurality of channels are defined in a central zone of the flow field plate. A membrane electrode assembly is stacked over the central zone. The channels are of a parallel arrangement and each having a reduced open end and an expanded open end, the reduced open end having a cross-sectional area smaller than that of the expanded open end. The reduced open end communicates the gas inlet opening through which a reaction gas is supplied to the flow field plate.Type: ApplicationFiled: January 16, 2007Publication date: September 27, 2007Inventors: Jefferson YS Yang, Yao-Sheng Hsu, Mike Pen-Mu Kao, Feng-Hsiang Hsiao