Patents by Inventor Takafumi Ogino
Takafumi Ogino 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: 10907668Abstract: A flow damper including a cylindrical vortex chamber, a small flow-rate pipe connected to a peripheral plate of the vortex chamber along a tangential direction, a large flow-rate pipe connected to the peripheral plate with a predetermined angle with respect to the small flow-rate pipe, an outlet pipe connected to an outlet formed in a central part of the vortex chamber, and a pressure equalization pipe with respective ends being connected to the peripheral plate on opposite sides of the outlet and at positions closer to a connection portion between the small flow-rate pipe and the large flow-rate pipe than positions facing each other, putting the outlet therebetween. The pressure equalization pipe is arranged with at least a part thereof is located at a higher position than a top plate of the vortex chamber, and an outgassing hole is provided at an uppermost part of the pressure equalization pipe.Type: GrantFiled: January 27, 2017Date of Patent: February 2, 2021Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Masamichi Iino, Shigeto Hirai, Taiki Asahara, Takafumi Ogino, Akira Kirita, Akihiro Toda, Hideyuki Sakata, Yutaka Tanaka, Setsuo Tokunaga, Takashi Nakahara, Takanori Okazaki
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Patent number: 10900508Abstract: To include a cylindrical vortex chamber 35, a small flow-rate pipe 37 connected to a peripheral plate 35C of the vortex chamber 35 along a tangential direction thereof, a large flow-rate pipe 36 connected to the peripheral plate 35C with a predetermined angle with respect to the small flow-rate pipe 37, an outlet pipe connected to an outlet 39 formed in a central part of the vortex chamber 35, and a straightening plate 50 that is arranged in a part between the outlet 39 and the peripheral plate 35C of the vortex chamber 35, and when jets flow into the vortex chamber 35 from the small flow-rate pipe 37 and the large flow-rate pipe 36, straightens impinging jets from the small flow-rate pipe 37 and from the large flow-rate pipe 36 having flowed into the vortex chamber 35 toward the outlet 39.Type: GrantFiled: January 27, 2017Date of Patent: January 26, 2021Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Hideyuki Sakata, Shigeto Hirai, Taiki Asahara, Takafumi Ogino, Akira Kirita, Akihiro Toda, Masamichi Iino, Toshihiro Sato, Yutaka Tanaka, Takanori Okazaki, Takashi Nakahara
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Patent number: 10495495Abstract: A liquid level detection device for a liquid supplying facility includes: a lower pipe which is in communication with a liquid-phase section of an interior space of a tank, the liquid-phase section being occupied by a liquid; an upper pipe which is in communication with a gas-phase section of the interior space of the tank, the gas-phase section being disposed above the liquid-phase section and occupied by a high-pressure gas; a differential pressure gauge for detecting a differential pressure between the lower pipe and the upper pipe; and a liquid level calculation part for calculating a liquid level of the tank on the basis of a differential pressure detection result of the differential pressure gauge. An inside of the upper pipe is filled with a filling liquid at least in a partial range.Type: GrantFiled: September 21, 2016Date of Patent: December 3, 2019Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Taiki Asahara, Hideyuki Sakata, Takafumi Ogino
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Publication number: 20190025099Abstract: A liquid level detection device for a liquid supplying facility includes: a lower pipe which is in communication with a liquid-phase section of an interior space of a tank, the liquid-phase section being occupied by a liquid; an upper pipe which is in communication with a gas-phase section of the interior space of the tank, the gas-phase section being disposed above the liquid-phase section and occupied by a high-pressure gas; a differential pressure gauge for detecting a differential pressure between the lower pipe and the upper pipe; and a liquid level calculation part for calculating a liquid level of the tank on the basis of a differential pressure detection result of the differential pressure gauge. An inside of the upper pipe is filled with a filling liquid at least in a partial range.Type: ApplicationFiled: September 21, 2016Publication date: January 24, 2019Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Taiki Asahara, Hideyuki Sakata, Takafumi Ogino
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Publication number: 20180358137Abstract: A flow damper including a cylindrical vortex chamber, a small flow-rate pipe connected to a peripheral plate of the vortex chamber along a tangential direction, a large flow-rate pipe connected to the peripheral plate with a predetermined angle with respect to the small flow-rate pipe, an outlet pipe connected to an outlet formed in a central part of the vortex chamber, and a pressure equalization pipe with respective ends being connected to the peripheral plate on opposite sides of the outlet and at positions closer to a connection portion between the small flow-rate pipe and the large flow-rate pipe than positions facing each other, putting the outlet therebetween. The pressure equalization pipe is arranged with at least a part thereof is located at a higher position than a top plate of the vortex chamber, and an outgassing hole is provided at an uppermost part of the pressure equalization pipe.Type: ApplicationFiled: January 27, 2017Publication date: December 13, 2018Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Masamichi Iino, Shigeto Hirai, Taiki Asahara, Takafumi Ogino, Akira Kirita, Akihiro Toda, Hideyuki Sakata, Yutaka Tanaka, Setsuo Tokunaga, Takashi Nakahara, Takanori Okazaki
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Publication number: 20180218795Abstract: To include a cylindrical vortex chamber 35, a small flow-rate pipe 37 connected to a peripheral plate 35C of the vortex chamber 35 along a tangential direction thereof, a large flow-rate pipe 36 connected to the peripheral plate 35C with a predetermined angle with respect to the small flow-rate pipe 37, an outlet pipe connected to an outlet 39 formed in a central part of the vortex chamber 35, and a straightening plate 50 that is arranged in a part between the outlet 39 and the peripheral plate 35C of the vortex chamber 35, and when jets flow into the vortex chamber 35 from the small flow-rate pipe 37 and the large flow-rate pipe 36, straightens impinging jets from the small flow-rate pipe 37 and from the large flow-rate pipe 36 having flowed into the vortex chamber 35 toward the outlet 39.Type: ApplicationFiled: January 27, 2017Publication date: August 2, 2018Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Hideyuki Sakata, Shigeto Hirai, Taiki Asahara, Takafumi Ogino, Akira Kirita, Akihiro Toda, Masamichi Iino, Toshihiro Sato, Yutaka Tanaka, Takanori Okazaki, Takashi Nakahara
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Patent number: 8311178Abstract: A pH adjusting apparatus arranged above a water pit for refueling disposed in a reactor container that stores a nuclear reactor includes a pH adjuster, a basket 50 that contains the pH adjuster, and a basket housing container 51 that houses the basket 50 therein and has formed therein an inlet through which a solvent for dissolving or diluting the pH adjuster flows in and an overflow pipe 52 through which a pH-adjusted solution generated by dissolving or mixing the pH adjuster in the solvent flows out to the water pit for refueling. Consequently, even if it is difficult to dispose the basket 50 on a floor of the water pit for refueling, it is possible to suitably perform pH adjustment in the reactor container.Type: GrantFiled: February 28, 2008Date of Patent: November 13, 2012Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Hiroshi Sano, Takafumi Ogino, Yoshiyuki Tanigawa, Shiro Kato
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Patent number: 8040997Abstract: A pH adjusting system includes a water pit for refueling 35 that is disposed in a reactor container 10, which stores a reactor, and is capable of storing cooling water and a pH adjusting apparatus 37 that is disposed above the water pit for refueling 35 and houses a pH adjuster. The pH adjusting apparatus 37 causes a pH-adjusted solution generated by dissolving or mixing the pH adjuster to flow out to the water pit for refueling 35 below the pH adjusting apparatus 37. Consequently, even when it is difficult to dispose the pH adjusting apparatus on a floor of the water pit for refueling, it is possible to suitably perform pH adjustment in the reactor container 10.Type: GrantFiled: February 28, 2008Date of Patent: October 18, 2011Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Hiroshi Sano, Takafumi Ogino, Yoshiyuki Tanigawa, Shiro Kato
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Publication number: 20100232560Abstract: A pH adjusting system includes a water pit for refueling 35 that is disposed in a reactor container 10, which stores a reactor, and is capable of storing cooling water and a pH adjusting apparatus 37 that is disposed above the water pit for refueling 35 and houses a pH adjuster. The pH adjusting apparatus 37 causes a pH-adjusted solution generated by dissolving or mixing the pH adjuster to flow out to the water pit for refueling 35 below the pH adjusting apparatus 37. Consequently, even when it is difficult to dispose the pH adjusting apparatus on a floor of the water pit for refueling, it is possible to suitably perform pH adjustment in the reactor container 10.Type: ApplicationFiled: February 28, 2008Publication date: September 16, 2010Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Hiroshi Sano, Takafumi Ogino, Yoshiyuki Tanigawa, Shiro Kato
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Publication number: 20100226830Abstract: A pH adjusting apparatus arranged above a water pit for refueling disposed in a reactor container that stores a nuclear reactor includes a pH adjuster, a basket 50 that contains the pH adjuster, and a basket housing container 51 that houses the basket 50 therein and has formed therein an inlet through which a solvent for dissolving or diluting the pH adjuster flows in and an overflow pipe 52 through which a pH-adjusted solution generated by dissolving or mixing the pH adjuster in the solvent flows out to the water pit for refueling. Consequently, even if it is difficult to dispose the basket 50 on a floor of the water pit for refueling, it is possible to suitably perform pH adjustment in the reactor container.Type: ApplicationFiled: February 28, 2008Publication date: September 9, 2010Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Hiroshi Sano, Takafumi Ogino, Yoshiyuki Tanigawa, Shiro Kato