Patents Assigned to DAINICHI CO., LTD.
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Patent number: 11876260Abstract: A fuel cell system includes a fuel cell that generates electricity using a fuel gas and air, an air supply that supplies air to the fuel cell, a temperature meter that measures a temperature of the fuel cell, and a controller. The controller controls the air supply to increase an amount of air to be supplied to the fuel cell in response to the temperature of the fuel cell exceeding one of a plurality of predetermined temperatures.Type: GrantFiled: February 17, 2020Date of Patent: January 16, 2024Assignees: KYOCERA Corporation, DAINICHI CO., LTD.Inventor: Takeshi Kozai
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Patent number: 11870118Abstract: A fuel cell system includes a fuel cell that generates power using a fuel gas and an oxygen-containing gas, a reformer including a vaporizing section and a reforming section, a raw fuel supply that supplies raw fuel, a reformed water supply that supplies reformed water, and a controller. The controller has multiple calculation formulas for calculating an amount of reformed water to be used in the reforming section in response to a requested power level from an external unit, and selects, based on an increase or a decrease in a requested current level from the external unit, a formula from the multiple calculation formulas in response to the increase in the requested current level, and a formula different from the formula to be selected for the increase from the multiple calculation formulas in response to the decrease in the requested current level.Type: GrantFiled: June 2, 2020Date of Patent: January 9, 2024Assignees: KYOCERA Corporation, DAINICHI CO., LTD.Inventors: Kyosuke Yamauchi, Naoki Yokoo, Hidetaka Ikarashi, Yutaro Sakata, Hiroyuki Sato
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Patent number: 11843139Abstract: A fuel cell apparatus includes a fuel cell module including a housing and a fuel cell housed in the housing, the fuel cell generating electric power with use of a fuel gas and an oxygen-containing gas; and a heat exchanger which carries out heat exchange between a medium and exhaust gas from the fuel cell module, the heat exchanger being arranged laterally to the housing.Type: GrantFiled: January 20, 2017Date of Patent: December 12, 2023Assignees: KYOCERA Corporation, DAINICHI CO., LTD.Inventors: Mitsuhiro Nakamura, Mitsutaka Shimada, Kyosuke Yamauchi, Takayuki Maruyama, Tatsuya Kanbayashi
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Patent number: 11837760Abstract: A fuel cell system includes a fuel cell that generates electricity using a fuel gas and air, an air supply that supplies air to the fuel cell, a temperature meter that measures a temperature of the fuel cell, and a controller. The controller controls the air supply to increase an amount of air to be supplied to the fuel cell in response to the temperature of the fuel cell exceeding one of a plurality of predetermined temperatures.Type: GrantFiled: February 17, 2020Date of Patent: December 5, 2023Assignees: KYOCERA Corporation, DAINICHI CO., LTD.Inventor: Takeshi Kozai
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Patent number: 11742505Abstract: A fuel cell system includes a controller that controls an amount of air flow to be supplied from an air blower included in an oxygen-containing gas supply to a cell stack to cause a power level (in amperes) of a fuel cell controllable by a power level regulator (power conditioner) and an air utilization to have an increase-control section in which the air utilization increases in accordance with an increase in the power level of the fuel cell and a decrease-control section in which the air utilization decreases in accordance with an increase in the power level. The air utilization is a ratio of an air amount used by the fuel cell for power generation to an oxygen-containing gas (air) amount supplied to the fuel cell.Type: GrantFiled: February 19, 2020Date of Patent: August 29, 2023Assignees: KYOCERA Corporation, DAINICHI CO., LTDInventors: Kyosuke Yamauchi, Mitsutaka Shimada
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Patent number: 11588161Abstract: A fuel cell device may include a fuel cell module; a condensate water recovery flow path which may recover water contained in an exhaust gas discharged from the fuel cell module as condensate water; a condensate water recovery device which may store the condensate water; and a reforming water supply flow path which may supply the condensate water to a reformer. The condensate water recovery device of the fuel cell device may include a first ion exchange container which may contain an ion exchange resin; and a first storage container which may store the condensate water. The first ion exchange container may be disposed inside the first storage container with a space from the first storage container, and may be attachable to and detachable from the first storage container.Type: GrantFiled: July 17, 2018Date of Patent: February 21, 2023Assignees: KYOCERA CORPORATION, DAINICHI CO., LTD.Inventors: Shintaro Yanagiuchi, Naoki Yokoo, Tomohiro Fukagawa, Tomoki Oyanagi, Kazuaki Kobayashi
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Patent number: 11456473Abstract: A reformer of the present disclosure includes a reformer body having a cylindrical shape that carries out a reforming reaction by a raw fuel gas and water supplied thereto, the reformer body including therein a vaporization portion which generates steam and a reforming portion which reacts the steam generated in the vaporization portion with the raw fuel gas to generate a reformed gas, at least one of a convex portion and a rough portion having a higher degree of surface roughness than that of other portions, being disposed on at least one of an inner circumferential surface and an outer circumferential surface of the reformer body.Type: GrantFiled: June 13, 2017Date of Patent: September 27, 2022Assignees: KYOCERA CORPORATION, DAINICHI CO., LTD.Inventors: Shunsuke Shintani, Naruto Takahashi, Norihisa Shibasaki, Naoki Yokoo
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Patent number: 11362362Abstract: The disclosure relates to a fuel cell apparatus in which a stable installation state may be maintained even when a size thereof is reduced. A fuel cell apparatus according to the present disclosure may include a fuel cell module including fuel cells housed in a housing; a plurality of auxiliary machines which operate the fuel cell module; and an exterior case, shaped in a rectangular prism, which houses the fuel cell module and the auxiliary machines. A gravity center of the fuel cell apparatus may be located below a level equal to half a height of the exterior case.Type: GrantFiled: August 1, 2017Date of Patent: June 14, 2022Assignees: DAINICHI CO., LTD., KYOCERA CorporationInventors: Hiroki Oguro, Shintaro Yanagiuchi, Tomohiro Fukagawa, Kentaro Tanaka, Takashi Ono
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Patent number: 11355766Abstract: A fuel cell module may include: a cell stack device including a cell stack including an array of a plurality of fuel cells, a manifold which supplies a fuel gas to each of the fuel cells, and a reformer which reforms a raw fuel; an oxygen-containing gas flow channel through which the oxygen-containing gas flows; an oxygen-containing gas introduction plate which supplies the oxygen-containing gas to each of the plurality of fuel cells; a housing including a box body of which one side is opened to provide an opening and a lid (closed plate) which closes the opening; a gas pipe joint, an ignition heater, a thermocouple, etc. which are a plurality of insertion members inserted from an outside of the housing into an accommodation chamber, the respective insertion members being inserted through one surface (lid surface) of the housing.Type: GrantFiled: October 27, 2017Date of Patent: June 7, 2022Assignees: KYOCERA Corporation, DAINICHI CO., LTD.Inventors: Mitsuhiro Nakamura, Mitsutaka Shimada, Kyosuke Yamauchi, Michitada Okada
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Patent number: 11228046Abstract: A fuel cell device may be realized by including a fuel cell module including a container and a fuel cell housed in the container; a plurality of auxiliary machines for operating the fuel cell module; and an exterior case that houses the fuel cell module and the auxiliary machines, wherein at least one auxiliary machine of the plurality of auxiliary machines may be an upper auxiliary machine which is located on an upper side of the fuel cell module, and the fuel cell device may further include a fan located on the upper side of the fuel cell module.Type: GrantFiled: June 20, 2018Date of Patent: January 18, 2022Assignees: DAINICHI CO., LTD., KYOCERA CORPORATIONInventors: Hiroki Oguro, Shintaro Yanagiuchi, Tomoki Oyanagi, Shinpei Shiraishi
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Patent number: 11038191Abstract: In accordance with a fuel cell module, a cell stack is housed in a housing including a box and a lid, and the lid is provided with a first gas flow channel through which either one of oxygen containing gas and exhaust gas flows. Therefore, the configuration of the housing can be simplified. Since the lid is provided with the gas flow channel, an accommodation space inside the box can be enlarged, the cell stack can be easily housed inside the housing through an opening, and the fuel cell module can be easily assembled.Type: GrantFiled: June 14, 2017Date of Patent: June 15, 2021Assignees: KYOCERA Corporation, DAINICHI CO., LTD.Inventors: Tatsuya Kanbayashi, Kentaro Tanaka, Takayuki Maruyama, Akinori Fukuda
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Publication number: 20190245229Abstract: A reformer of the present disclosure includes a reformer body having a cylindrical shape that carries out a reforming reaction by a raw fuel gas and water supplied thereto, the reformer body including therein a vaporization portion which generates steam and a reforming portion which reacts the steam generated in the vaporization portion with the raw fuel gas to generate a reformed gas, at least one of a convex portion and a rough portion having a higher degree of surface roughness than that of other portions, being disposed on at least one of an inner circumferential surface and an outer circumferential surface of the reformer body.Type: ApplicationFiled: June 13, 2017Publication date: August 8, 2019Applicants: KYOCERA CORPORATION, DAINICHI CO., LTD.Inventors: Shunsuke SHINTANI, Naruto TAKAHASHI, Norihisa SHIBASAKI, Naoki YOKOO
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Publication number: 20190173118Abstract: The disclosure relates to a fuel cell apparatus in which a stable installation state may be maintained even when a size thereof is reduced. A fuel cell apparatus according to the present disclosure may include a fuel cell module including fuel cells housed in a housing; a plurality of auxiliary machines which operate the fuel cell module; and an exterior case, shaped in a rectangular prism, which houses the fuel cell module and the auxiliary machines. A gravity center of the fuel cell apparatus may be located below a level equal to half a height of the exterior case.Type: ApplicationFiled: August 1, 2017Publication date: June 6, 2019Applicants: Dainichi Co., Ltd., Kyocera CorporationInventors: Hiroki OGURO, Shintaro YANAGIUCHI, Tomohiro FUKAGAWA, Kentaro TANAKA, Takashi ONO
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Publication number: 20160346413Abstract: A sterilization device (1) includes a reactor (4) in which calcium oxide and water are reacted; a sterilization space (6) that is filled with water vapor generated in the reactor (4); a sterilization part (5) formed in the sterilization space (6) on which a sterilization object (2) to be sterilized is placed; a device main body (3) that encases the reactor (4), the sterilization space (6) and the sterilization part (5) to bring the sterilization space (6) into an airtight state; a supply unit (9) for supplying combustion gas into the sterilization space (6); and a discharge passage (13) through which a gas mixture in the sterilization space (6) is discharged to the outside.Type: ApplicationFiled: January 21, 2015Publication date: December 1, 2016Applicants: SOUZOUSHA CO., LTD., EPC TECHNOLOGY CO., LTD., DAINICHI CO., LTD., VANTEAN CO., LTD., YOKOYAMA CO., LTD.Inventor: Mitsuru UCHIYAMA
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Patent number: 8747486Abstract: A humanoid electric hand includes a metacarpophalangeal joint and an interphalangeal joint. The interphalangeal joint bends or extends together with a bending or extending operation of the metacarpophalangeal joint, by linking a finger motor for driving a finger to a worm deceleration mechanism, an output gear of which moves rotationally to bend or extend the metacarpophalangeal joint, and by linking the metacarpophalangeal joint to the interphalangeal joint via a link mechanism.Type: GrantFiled: September 22, 2011Date of Patent: June 10, 2014Assignees: Gifu University, Dainichi, Co., Ltd.Inventors: Haruhisa Kawasaki, Tetuya Mouri, Tatuya Hara, Hisayuki Shimomura
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Patent number: 8573966Abstract: To provide a combustion apparatus that has a vaporizer capable of vaporizing liquid fuel completely without complicating the structure of the combustion apparatus. The combustion apparatus has an evaporating part for heating and vaporizing the liquid fuel into combustion gas, and a premixed gas spout part for spouting out premixed gas in which the combustion gas is mixed with primary air, with an inflow port of the premixed gas spout part being provided at a position higher than the evaporating part. By configuring the combustion apparatus like this, a space for accumulating unvaporized liquid fuel is formed between the evaporating part and the inflow port, and sufficient time to completely vaporize the liquid fuel can be afforded. Therefore, unevaporated fuel in a liquid state can be prevented from flowing into the premixed gas spout part.Type: GrantFiled: March 16, 2010Date of Patent: November 5, 2013Assignees: Dainichi Co., Ltd., Nippon Oil CorporationInventors: Hiroyuki Ehara, Akira Goto
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Publication number: 20130175816Abstract: A humanoid electric hand includes a metacarpophalangeal joint and an interphalangeal joint. The interphalangeal joint bends or extends together with a bending or extending operation of the metacarpophalangeal joint, by linking a finger motor for driving a finger to a worm deceleration mechanism, an output gear of which moves rotationally to bend or extend the metacarpophalangeal joint, and by linking the metacarpophalangeal joint to the interphalangeal joint via a link mechanism.Type: ApplicationFiled: September 22, 2011Publication date: July 11, 2013Applicants: Dainichi Co. Ltd., Gifu UniversityInventors: Haruhisa Kawasaki, Tetuya Mouri, Tatuya Hara, Hisayuki Shimomura
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Publication number: 20100248173Abstract: To provide a combustion apparatus that has a vaporizer capable of vaporizing liquid fuel completely without complicating the structure of the combustion apparatus. The combustion apparatus has an evaporating part for heating and vaporizing the liquid fuel into combustion gas, and a premixed gas spout part for spouting out premixed gas in which the combustion gas is mixed with primary air, with an inflow port of the premixed gas spout part being provided at a position higher than the evaporating part. By configuring the combustion apparatus like this, a space for accumulating unvaporized liquid fuel is formed between the evaporating part and the inflow port, and sufficient time to completely vaporize the liquid fuel can be afforded. Therefore, unevaporated fuel in a liquid state can be prevented from flowing into the premixed gas spout part.Type: ApplicationFiled: March 16, 2010Publication date: September 30, 2010Applicants: DAINICHI CO., LTD., NIPPON OIL CORPORATIONInventors: Hiroyuki EHARA, Akira GOTO