Patents by Inventor Maki Hoshino
Maki Hoshino 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).
-
Patent number: 10686204Abstract: A solid oxide fuel cell system includes a primary fuel supply passage for supplying fuel, plural fuel cell stacks each uses a solid oxide fuel cell and that are provided in line on the primary fuel supply passage and includes at least a first fuel cell stack and a second fuel cell stack, a first reformer that is provided on an upstream side from the first fuel cell stack on the primary fuel supply passage and reforms the fuel by utilizing endothermic reforming reactions, a second reformer that is provided between the first fuel cell stack and the second fuel cell stack on the primary fuel supply passage and reforms the fuel by utilizing endothermic reforming reactions and exothermic methanation reactions, and a secondary fuel supply passage connected between the first fuel cell stack and the second reformer.Type: GrantFiled: August 10, 2015Date of Patent: June 16, 2020Assignee: NISSAN MOTOR CO., LTD.Inventors: Maki Hoshino, Tatsuya Yaguchi
-
Publication number: 20180261869Abstract: A solid oxide fuel cell system includes a primary fuel supply passage for supplying fuel, plural fuel cell stacks each uses a solid oxide fuel cell and that are provided in line on the primary fuel supply passage and includes at least a first fuel cell stack and a second fuel cell stack, a first reformer that is provided on an upstream side from the first fuel cell stack on the primary fuel supply passage and reforms the fuel by utilizing endothermic reforming reactions, a second reformer that is provided between the first fuel cell stack and the second fuel cell stack on the primary fuel supply passage and reforms the fuel by utilizing endothermic reforming reactions and exothermic methanation reactions, and a secondary fuel supply passage connected between the first fuel cell stack and the second reformer.Type: ApplicationFiled: August 10, 2015Publication date: September 13, 2018Applicant: NISSAN MOTOR CO., LTD.Inventors: Maki HOSHINO, Tatsuya YAGUCHI
-
Patent number: 9032913Abstract: An internal combustion engine system basically has an internal combustion engine, a reforming fuel injection device and a reformer. The internal combustion engine has an exhaust circulation path that is connected to an exhaust path and an intake path communicating with a combustion chamber. The reforming fuel injection device injects a reforming fuel into an exhaust gas flowing through the exhaust circulation path. The reformer has a reforming catalyst for generating a hydrogen-containing gas using the reforming fuel. The internal combustion engine system has a reforming catalyst regeneration device for causing an oxygen-containing gas to flow through the exhaust circulation path and thereby regenerate the reforming catalyst at a predetermined timing for regenerating the reforming catalyst.Type: GrantFiled: December 1, 2011Date of Patent: May 19, 2015Assignee: Nissan Motor Co., Ltd.Inventors: Maki Hoshino, Takao Izumi
-
Patent number: 8834612Abstract: A hydrogen separation apparatus, provided with an independent hydrogen permeable membrane, capable of suppressing or preventing deformation of the hydrogen permeable membrane. The hydrogen separation apparatus includes a porous support member, an independent hydrogen permeable membrane disposed adjacent to the porous support member, and a joining member for joining the porous support member and the hydrogen permeable membrane. A production process for the hydrogen separation apparatus includes (1) disposing a joining member forming material at a surface side of a porous support member, to be opposite to an independent hydrogen permeable membrane, (2) disposing the independent hydrogen permeable membrane adjacent to the porous support member at the surface side of the porous support member to which surface side the joining member forming material is disposed, and (3) joining the porous support member and the independent hydrogen permeable membrane with the joining member forming material.Type: GrantFiled: June 5, 2008Date of Patent: September 16, 2014Assignee: Nissan Motor Co., Ltd.Inventors: Maki Hoshino, Takao Izumi
-
Publication number: 20130333639Abstract: An internal combustion engine system basically has an internal combustion engine, a reforming fuel injection device and a reformer. The internal combustion engine has an exhaust circulation path that is connected to an exhaust path and an intake path communicating with a combustion chamber. The reforming fuel injection device injects a reforming fuel into an exhaust gas flowing through the exhaust circulation path. The reformer has a reforming catalyst for generating a hydrogen-containing gas using the reforming fuel. The internal combustion engine system has a reforming catalyst regeneration device for causing an oxygen-containing gas to flow through the exhaust circulation path and thereby regenerate the reforming catalyst at a predetermined timing for regenerating the reforming catalyst.Type: ApplicationFiled: December 1, 2011Publication date: December 19, 2013Applicant: NISSAN MOTOR CO., LTD.Inventors: Maki HOSHINO, Takao Izumi
-
Publication number: 20100101419Abstract: [Object] To provide a hydrogen separation apparatus provided with an independent hydrogen permeable membrane and capable of suppressing or preventing deformation of the hydrogen permeable membrane, and a production process therefor. [Solving Means] A hydrogen separation apparatus includes a porous support member, an independent hydrogen permeable membrane disposed adjacent to the porous support member, and a joining member for joining the porous support member and the hydrogen permeable membrane.Type: ApplicationFiled: June 5, 2008Publication date: April 29, 2010Inventors: Maki Hoshino, Takao Izumi
-
Patent number: 6849571Abstract: A catalyst (5) for selectively oxidizing carbon monoxide, wherein a noble metal (3) and an active oxygen supply material (4) capable of oxidizing carbon monoxide are supported on a substrate (6). Favorable selective oxidation of carbon monoxide can be obtained by setting the distance between the noble metal (3) and the active oxygen supply material (4) such that the noble metal (3) is close enough to accept active oxygen from the active oxygen supply material (4), and preferably within 0.1 mm. This catalyst (5) for selectively oxidizing carbon monoxide is effective at removing carbon monoxide from a reformate gas whose main component is hydrogen and which is supplied to a fuel cell.Type: GrantFiled: September 3, 2002Date of Patent: February 1, 2005Assignee: Nissan Motor Co., Ltd.Inventors: Maki Hoshino, Hiroaki Kaneko
-
Publication number: 20040156771Abstract: A method of reducing carbon monoxide concentration of mixed gas containing hydrogen, carbon monoxide and oxygen comprises a step of preparing a carbon monoxide removing device having a carbon monoxide concentration reducing catalyst in which a transition metal element is included and a carbon monoxide adsorption amount is adjusted from 0.1 to 3 mL/cat.g, and a step of supplying the mixed gas to the carbon monoxide removing device at a space velocity of 15000 to 300000 h−1 and a temperature of 100 to 300° C.Type: ApplicationFiled: February 5, 2004Publication date: August 12, 2004Applicant: NISSAN MOTOR CO., LTD.Inventor: Maki Hoshino
-
Publication number: 20030059360Abstract: A catalyst (5) for selectively oxidizing carbon monoxide, wherein a noble metal (3) and an active oxygen supply material (4) capable of oxidizing carbon monoxide are supported on a substrate (6). Favorable selective oxidation of carbon monoxide can be obtained by setting the distance between the noble metal (3) and the active oxygen supply material (4) such that the noble metal (3) is close enough to accept active oxygen from the active oxygen supply material (4), and preferably within 0.1 mm. This catalyst (5) for selectively oxidizing carbon monoxide is effective at removing carbon monoxide from a reformate gas whose main component is hydrogen and which is supplied to a fuel cell.Type: ApplicationFiled: September 3, 2002Publication date: March 27, 2003Inventors: Maki Hoshino, Hiroaki Kaneko