Patents by Inventor Toshihisa Kanda
Toshihisa Kanda 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: 10006389Abstract: A supercharged engine includes an emission control device configured to add a reduction agent to exhaust gas from an engine main body to reduce nitrogen oxide in the exhaust gas by a catalyst, the supercharged engine including an air release valve configured to discharge a part of supplied air to be supplied from a supercharger to the engine main body through an air feed pipe to the outside of the air feed pipe, and a control device configured to control temperature of the exhaust gas by operating the air release valve and adjusting an amount of supply of the supplied air to be supplied from the supercharger to the engine main body.Type: GrantFiled: October 20, 2014Date of Patent: June 26, 2018Assignee: YANMAR CO., LTD.Inventors: Yoshinori Fukui, Fumihiro Nishiura, Shunji Hamaoka, Toshihisa Kanda
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Patent number: 9976465Abstract: The purpose of the present invention is to provide an exhaust purifier which suppresses unnecessary consumption of pressurization air so as to improve a removal rate of dust. An exhaust purifier for removing particulate matter adhered to a NOx catalyst by injecting pressurized air using an air injection nozzle into a housing of a catalyst reactor in which the NOx catalyst serving as a catalyst is positioned, wherein an injection valve of a soot blower supplying pressurized air into the housing of the catalyst reactor is opened and closed based on an exhaust gas flow rate so as to inject the pressurized air.Type: GrantFiled: June 26, 2015Date of Patent: May 22, 2018Assignee: Yanmar Co., Ltd.Inventors: Yoshinori Fukui, Toshihisa Kanda, Yasuyuki Takahata, Shunji Hamaoka
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Publication number: 20170145889Abstract: The purpose of the present invention is to provide an exhaust purifier which suppresses unnecessary consumption of pressurization air so as to improve a removal rate of dust. An exhaust purifier for removing particulate matter adhered to a NOx catalyst by injecting pressurized air using an air injection nozzle into a housing of a catalyst reactor in which the NOx catalyst serving as a catalyst is positioned, wherein an injection valve of a soot blower supplying pressurized air into the housing of the catalyst reactor is opened and closed based on an exhaust gas flow rate so as to inject the pressurized air.Type: ApplicationFiled: June 26, 2015Publication date: May 25, 2017Inventors: Yoshinori Fukui, Toshihisa Kanda, Yasuyuki Takahata, Shunji Hamaoka
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Publication number: 20160312720Abstract: A supercharged engine includes an emission control device configured to add a reduction agent to exhaust gas from an engine main body to reduce nitrogen oxide in the exhaust gas by a catalyst, the supercharged engine including an air release valve configured to discharge a part of supplied air to be supplied from a supercharger to the engine main body through an air feed pipe to the outside of the air feed pipe, and a control device configured to control temperature of the exhaust gas by operating the air release valve and adjusting an amount of supply of the supplied air to be supplied from the supercharger to the engine main body.Type: ApplicationFiled: October 20, 2014Publication date: October 27, 2016Inventors: Yoshinori FUKUI, Fumihiro NISHIURA, Shunji HAMAOKA, Toshihisa KANDA
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Patent number: 8429901Abstract: An exhaust gas purification device 1 is equipped with a plurality of branch exhaust passages 2 and 3; a junction exhaust passage 110; a shutoff valve 4 switching between allowing and shutting off the flow of exhaust gas to the respective branch exhaust passages 2 and 3; a nitrogen oxide adsorbing material 5 temporarily adsorbing nitrogen oxides in an excess air atmosphere and detaching the adsorbed nitrogen oxides in a reducing atmosphere and reducing the nitrogen oxides in the reducing atmosphere to produce ammonia; a first combustion device 6, disposed on the exhaust upstream side of the nitrogen oxide adsorbing material 5 and having an air supply unit, changing the air supplied from the air supply unit into the reducing atmosphere; and a selective reduction catalyst 19, provided inside the junction exhaust passage 110, selectively reducing the nitrogen oxides by using ammonia as a reducing agent.Type: GrantFiled: February 23, 2009Date of Patent: April 30, 2013Assignee: Yanmar Co., Ltd.Inventors: Taisuke Ono, Toshihisa Kanda
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Publication number: 20110138788Abstract: It is intend to provide at low cost an exhaust gas purifier capable of in an internal combustion engine or other combustion instrument mainly driven under excess air conditions, efficiently removing nitrogen oxides from exhaust gas. A nitrogen oxide adsorbent (4) is disposed in an exhaust passage, which the nitrogen oxide adsorbent (4) is composed of a lithium composite oxide of the general formula LiAxOy or LiAxPO4, containing as constituent elements lithium (Li) and at least one element (A) selected from the group consisting of manganese (Mn), nickel (Ni), cobalt (Co), vanadium (V), chromium (Cr), iron (Fe), titanium (Ti), scandium (Sc), and yttrium (Y). For example, the nitrogen oxide adsorbent (4) is composed of a lithium composite oxide, such as lithium manganate (LiMnO3), the lithium titanate (Li2TiO3) or lithium manganate phosphate (LiMnPO4).Type: ApplicationFiled: January 20, 2011Publication date: June 16, 2011Applicant: Yanmar Co., Ltd.Inventors: Toshihisa KANDA, Shogo Matsubayashi
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Publication number: 20110056191Abstract: An exhaust gas purification device 1 is equipped with a plurality of branch exhaust passages 2 and 3; a junction exhaust passage 110; a shutoff valve 4 switching between allowing and shutting off the flow of exhaust gas to the respective branch exhaust passages 2 and 3; a nitrogen oxide adsorbing material 5 temporarily adsorbing nitrogen oxides in an excess air atmosphere and detaching the adsorbed nitrogen oxides in a reducing atmosphere and reducing the nitrogen oxides in the reducing atmosphere to produce ammonia; a first combustion device 6, disposed on the exhaust upstream side of the nitrogen oxide adsorbing material 5 and having an air supply unit, changing the air supplied from the air supply unit into the reducing atmosphere; and a selective reduction catalyst 19, provided inside the junction exhaust passage 110, selectively reducing the nitrogen oxides by using ammonia as a reducing agent.Type: ApplicationFiled: February 23, 2009Publication date: March 10, 2011Applicant: Yanmar Co., Ltd.Inventors: Taisuke Ono, Toshihisa Kanda
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Publication number: 20090081087Abstract: It is intend to provide at low cost an exhaust gas purifier capable of in an internal combustion engine or other combustion instrument mainly driven under excess air conditions, efficiently removing nitrogen oxides from exhaust gas. A nitrogen oxide adsorbent (4) is disposed in an exhaust passage, which the nitrogen oxide adsorbent (4) is composed of a lithium composite oxide of the general formula LiAxOy or LiAxPO4, containing as constituent elements lithium (Li) and at least one element (A) selected from the group consisting of manganese (Mn), nickel (Ni), cobalt (Co), vanadium (V), chromium (Cr), iron (Fe), titanium (Ti), scandium (Sc), and yttrium (Y). For example, the nitrogen oxide adsorbent (4) is composed of a lithium composite oxide, such as lithium manganate (LiMnO3), the lithium titanate (Li2TiO3) or lithium manganate phosphate (LiMnPO4).Type: ApplicationFiled: March 14, 2006Publication date: March 26, 2009Applicant: Yanmar Co., Ltd.Inventors: Toshihisa Kanda, Shogo Matsubayashi
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Patent number: 6057447Abstract: The present invention is directed to quinoline sulfide derivatives with antibacterial activities selectively against Hp, obtained by reacting quinoline-4(1H)-thione derivatives with halides and represented by the formula I ##STR1## wherein R.sub.1 represents hydrogen or halogen atom, C.sub.1 -C.sub.6 alkoxy, C.sub.1 -C.sub.6 alkylthio or di C.sub.1 -C.sub.6 alkylamino; R.sub.2 and R.sub.3 respectively represent hydrogen atom or C.sub.1 -C.sub.6 alkyl; one of R.sub.4 and R.sub.5 represents hydroxyl group and the other represents hydrogen atom or CR.sub.4 R.sub.5 represents carbonyl; and m and n are integers, m being 1 or 2, n being 0 or 1.Type: GrantFiled: February 1, 1999Date of Patent: May 2, 2000Assignee: Zenyaku Kogyo Kabushiki KaishaInventors: Seiichiro Kawashima, Sumio Terada, Kenichi Saito, Toshiaki Suzuki, Hiroya Sasahara, Toshihisa Kanda, Tsuneo Inoue
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Patent number: 4868073Abstract: A highly active powder catalyst with a high concentration of platinum group elements prepared from an amorphous alloy consisting of at least one of valve metals, at least one of platinum group elements and balance being at least one element selected from Ni and Co by immersion in a hydrofluoric acid, and a highly active electrode prepared by using the above mentioned powder catalyst.Type: GrantFiled: May 16, 1988Date of Patent: September 19, 1989Assignees: Yanmar Diesel Engine Co., Ltd., Koji HashimotoInventors: Koji Hashimoto, Toshihisa Kanda, Asahi Kawashima, Katsuhiko Asami