Patents by Inventor Shimpei Todaka
Shimpei Todaka 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: 20230073667Abstract: Denitration catalyst unit, comprising two or more platy catalyst elements, wherein the platy catalyst element has an edge located on gas-inflow side, an edge located on gas-outflow side and edges located on either side of the platy catalyst element, the platy catalyst elements are piled so as to align the edges located on gas-inflow side and the edges located on either side of the platy catalyst elements respectively, each of the platy catalyst elements alternately has more than one flat part in the shape of a flat plate and more than one concavo-convex part in the shape of platy convex strips on the upper and lower surfaces, the platy convex strips are parallel to one another and are obliquely disposed at an angle ? of not less than 50° and not more than 85° to an extending direction of the edge located on gas-inflow side of the platy catalyst element so that a ridge of the platy convex strip on the upper surface of one of the platy catalyst elements intersects with a ridge of the platy convex strip on the lType: ApplicationFiled: January 26, 2021Publication date: March 9, 2023Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Takuma Kurai, Tomoyuki Hayashi, Yoshinori Nagai, Shimpei Todaka, Shohei Akagi
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Patent number: 11583803Abstract: A reducing agent supply device for supplying a reducing agent to a portion of a passage for a flue gas upstream of a SCR catalyst includes at least one header pipe extending in the passage and configured to allow the reducing agent to pass through; a plurality of injection nozzles disposed on the header pipe at intervals along an extension direction of the header pipe and configured to inject the reducing agent into the passage; a heat shield plate disposed on an upstream side of the header pipe with respect to a flow direction of the flue gas and having a longitudinal direction along the extension direction of the header pipe; and at least one fixing part contacting each of the heat shield plate and the header pipe and fixing the heat shield plate to the header pipe.Type: GrantFiled: November 28, 2019Date of Patent: February 21, 2023Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Shimpei Todaka, Hideo Miyanishi, Kazuhiko Sera
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Publication number: 20220062823Abstract: A reducing agent supply device for supplying a reducing agent to a portion of a passage for a flue gas upstream of a SCR catalyst includes at least one header pipe extending in the passage and configured to allow the reducing agent to pass through; a plurality of injection nozzles disposed on the header pipe at intervals along an extension direction of the header pipe and configured to inject the reducing agent into the passage; a heat shield plate disposed on an upstream side of the header pipe with respect to a flow direction of the flue gas and having a longitudinal direction along the extension direction of the header pipe; and at least one fixing part contacting each of the heat shield plate and the header pipe and fixing the heat shield plate to the header pipe.Type: ApplicationFiled: November 28, 2019Publication date: March 3, 2022Applicant: Mitsubishi Power, Ltd.Inventors: Shimpei Todaka, Hideo Miyanishi, Kazuhiko Sera
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Patent number: 10323844Abstract: In an exhaust duct and a boiler, there are provided: a flue gas duct through which flue gases pass; a first hopper provided to the flue gas duct, the first hopper collecting PA in the flue gases; a low-repulsion section provided to the upstream side or the downstream side of the first hopper in the direction of flow of the flue gases, the low-repulsion section having a lower coefficient of repulsion than the inner wall surface of the flue gas duct; and a popcorn-ash-trapping section for trapping PA in the flue gases, the popcorn-ash-trapping section provided to the downstream side of the first hopper and the low-repulsion section in the direction of flow of the flue gases, whereby it is possible for solid particles in the flue gases to be properly trapped.Type: GrantFiled: September 15, 2015Date of Patent: June 18, 2019Assignee: Mitsubishi Hitachi Power Systems, Ltd.Inventors: Manabu Oda, Kiyonori Kushioka, Shimpei Todaka, Masashi Kiyosawa, Hideo Miyanishi, Hiroshi Kako
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Patent number: 10293195Abstract: There is provided a safety device for aircraft, that prevents an explosion of a fuel tank storing aviation fuel, the safety device including: a flame arrester that is arranged near an end of a ventilation passage on an aircraft outer side, as a part of the ventilation passage allowing the inside of the fuel tank and an outside of the aircraft to communicate with each other, to prevent a flame propagation into the fuel tank from the outside of the aircraft through the ventilation passage; and a heat transfer reducing part that is arranged closer to the outside of the aircraft than the flame arrester to prevent heat transfer to the fuel in the fuel tank from the flame.Type: GrantFiled: February 11, 2016Date of Patent: May 21, 2019Assignee: MITSUBISHI AIRCRAFT CORPORATIONInventors: Yuta Takahashi, Shingo Kawano, Tsutomu Kawamizu, Atsushi Fujii, Shimpei Todaka, Ushio Komoda, Toshiyuki Umemoto
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Patent number: 10190771Abstract: An exhaust duct and boiler can appropriately collect solid particles in flue gas by way of being provided with: a flue (40) in which flue gas can flow; a first hopper (61) that is provided in the flue (40) and that can collect solid particles (PA) in the flue gas; and a first baffle plate (71) and a second baffle plate (72) that are resisting members capable of blocking the flow of solid particles (PA) from the first hopper (61).Type: GrantFiled: November 27, 2014Date of Patent: January 29, 2019Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Manabu Oda, Shimpei Todaka, Kiyonori Kushioka, Masashi Kiyosawa
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Patent number: 9868538Abstract: The present invention provides a water inflow prevention device that prevents an inflow of water into an aircraft when the aircraft lands in water through a communication passage allowing the inside and outside of the aircraft to communicate with each other. The water inflow prevention device includes a mesh part provided in the communication passage, through the mesh part a fluid flowing through the communication passage passes.Type: GrantFiled: February 11, 2016Date of Patent: January 16, 2018Assignee: MITSUBISHI AIRCRAFT CORPORATIONInventors: Shimpei Todaka, Shingo Kawano, Takashi Uchino, Kiyonori Kushioka, Tsutomu Kawamizu, Atsushi Fujii, Yuta Takahashi, Shuichi Hagino, Akitaka Urano
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Publication number: 20170328564Abstract: In an exhaust duct and a boiler, there are provided: a flue gas duct through which flue gases pass; a first hopper provided to the flue gas duct, the first hopper collecting PA in the flue gases; a low-repulsion section provided to the upstream side or the downstream side of the first hopper in the direction of flow of the flue gases, the low-repulsion section having a lower coefficient of repulsion than the inner wall surface of the flue gas duct; and a popcorn-ash-trapping section for trapping PA in the flue gases, the popcorn-ash-trapping section provided to the downstream side of the first hopper and the low-repulsion section in the direction of flow of the flue gases, whereby it is possible for solid particles in the flue gases to be properly trapped.Type: ApplicationFiled: September 15, 2015Publication date: November 16, 2017Inventors: Manabu ODA, Kiyonori KUSHIOKA, Shimpei TODAKA, Masashi KIYOSAWA, Hideo MIYANISHI, Hiroshi KAKO
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Publication number: 20170038066Abstract: An exhaust duct and boiler can appropriately collect solid particles in flue gas by way of being provided with: a flue (40) in which flue gas can flow; a first hopper (61) that is provided in the flue (40) and that can collect solid particles (PA) in the flue gas; and a first baffle plate (71) and a second baffle plate (72) that are resisting members capable of blocking the flow of solid particles (PA) from the first hopper (61).Type: ApplicationFiled: November 27, 2014Publication date: February 9, 2017Inventors: Manabu ODA, Shimpei TODAKA, Kiyonori KUSHIOKA, Masashi KIYOSAWA
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Publication number: 20160271431Abstract: There is provided a safety device for aircraft, that prevents an explosion of a fuel tank storing aviation fuel, the safety device including: a flame arrester that is arranged near an end of a ventilation passage on an aircraft outer side, as a part of the ventilation passage allowing the inside of the fuel tank and an outside of the aircraft to communicate with each other, to prevent a flame propagation into the fuel tank from the outside of the aircraft through the ventilation passage; and a heat transfer reducing part that is arranged closer to the outside of the aircraft than the flame arrester to prevent heat transfer to the fuel in the fuel tank from the flame.Type: ApplicationFiled: February 11, 2016Publication date: September 22, 2016Inventors: Yuta Takahashi, Shingo Kawano, Tsutomu Kawamizu, Atsushi Fujii, Shimpei Todaka, Ushio Komoda, Toshiyuki Umemoto
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Publication number: 20160251084Abstract: The present invention provides a water inflow prevention device that prevents an inflow of water into an aircraft when the aircraft lands in water through a communication passage allowing the inside and outside of the aircraft to communicate with each other. The water inflow prevention device includes a mesh part provided in the communication passage, through the mesh part a fluid flowing through the communication passage passes.Type: ApplicationFiled: February 11, 2016Publication date: September 1, 2016Inventors: Shimpei Todaka, Shingo Kawano, Takashi Uchino, Kiyonori Kushioka, Tsutomu Kawamizu, Atsushi Fujii, Yuta Takahashi, Shuichi Hagino, Akitaka Urano