Patents Assigned to Hitachi Plant Mechanics Co., Ltd.
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Patent number: 10724767Abstract: A high-pressure hydrogen filling system with expansion turbine having a simple configuration, requiring less maintenance and control duties, capable of being operated at low costs including electric power consumption cost, and allowing the use of general-purpose materials for composing the components of a hydrogen gas supply unit, a cold accumulator is installed at the outlet of an expansion turbine in a system performing hydrogen gas enthalpy drop when pressurizing and filling highly-pressurized and accumulated hydrogen gas into a tank.Type: GrantFiled: June 30, 2017Date of Patent: July 28, 2020Assignee: HITACHI PLANT MECHANICS CO., LTD.Inventors: Jun Yoshida, Tsuyoshi Takahashi, Yukihiro Mimaki, Masanori Monde
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Publication number: 20190301774Abstract: A high-pressure hydrogen filling system with expansion turbine having a simple configuration, requiring less maintenance and control duties, capable of being operated at low costs including electric power consumption cost, and allowing the use of general-purpose materials for composing the components of a hydrogen gas supply unit, a cold accumulator is installed at the outlet of an expansion turbine in a system performing hydrogen gas enthalpy drop when pressurizing and filling highly-pressurized and accumulated hydrogen gas into a tank.Type: ApplicationFiled: June 30, 2017Publication date: October 3, 2019Applicant: HITACHI PLANT MECHANICS CO., LTD.Inventors: Jun YOSHIDA, Tsuyoshi TAKAHASHI, Yukihiro MIMAKI, Masanori MONDE
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Publication number: 20190178446Abstract: An expansion turbine/compressor type high-pressure hydrogen gas filling system is simple in configuration, low in site work cost, small in the burden of maintenance work, and capable of reducing the operating cost including cost of power consumption, and it is not necessary to separately provide a way to take out the energy produced in the expansion equipment and effectively use outside such as generator, and that can be applied for temperature lowering system technology such as pre-cooler function in the final filling portion of the hydrogen station, the expansion turbine portion has with a process to incorporate the expansion turbine/compressor in the expansion turbine portion in the filling system to do the enthalpy lowering of the hydrogen gas using the expansion turbine, when the hydrogen gas accumulated at high pressure is pressurized and filled into the tank.Type: ApplicationFiled: February 9, 2017Publication date: June 13, 2019Applicants: HITACHI PLANT MECHANICS CO., LTD., ARCHIVE WORKS CO., LTD.Inventors: Jun YOSHIDA, Yukihiro MIMAKI, Eito MATSUO
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Patent number: 9975321Abstract: A film peeling device preventing deformation or other defect of substrates occurring in the process of conveying films adhered up to the substrate leading ends while peeling from the substrate, protecting the substrate from damage, and avoiding deterioration of the substrate quality. The constitution is composed of a substrate holding mechanism for holding the leading end of a substrate by linear contact, an adhering and peeling mechanism for peeling films by an adhesive force from the substrate held by the substrate holding mechanism, a film holding tool for gripping individually the leading ends of the films adhered to the substrate both sides being wound and lifted by the adhering and peeling mechanism, a film conveying unit drive mechanism for conveying the film holding tool gripping the films in the substrate opposite direction conveying direction, and a recovery container accommodating the films being gripped and conveyed by the film holding tool.Type: GrantFiled: March 23, 2017Date of Patent: May 22, 2018Assignee: HITACHI PLANT MECHANICS CO., LTD.Inventors: Toshiaki Ayabe, Kazuo Takahashi, Shigenori Takesue
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Publication number: 20170326865Abstract: A film peeling device preventing deformation or other defect of substrates occurring in the process of conveying films adhered up to the substrate leading ends while peeling from the substrate, protecting the substrate from damage, and avoiding deterioration of the substrate quality. The constitution is composed of a substrate holding mechanism for holding the leading end of a substrate by linear contact, an adhering and peeling mechanism for peeling films by an adhesive force from the substrate held by the substrate holding mechanism, a film holding tool for gripping individually the leading ends of the films adhered to the substrate both sides being wound and lifted by the adhering and peeling mechanism, a film conveying unit drive mechanism for conveying the film holding tool gripping the films in the substrate opposite direction conveying direction, and a recovery container accommodating the films being gripped and conveyed by the film holding tool.Type: ApplicationFiled: March 23, 2017Publication date: November 16, 2017Applicant: HITACHI PLANT MECHANICS CO., LTD.Inventors: Toshiaki AYABE, Kazuo TAKAHASHI, Shigenori TAKESUE
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Publication number: 20160281928Abstract: [Purpose] [Problem] To present a precooling system for lowering the temperature of hydrogen gas at a final filling unit of a hydrogen of a hydrogen station simple in construction, small in the load of maintenance and management tasks, and capable of lowering the running cost including the cost of consumption power source. [Solving Means] To precool hydrogen gas by lowering the temperature of hydrogen gas by an expander 11 in a process of expanding and compressing the hydrogen gas, and by making use of its cold heat energy.Type: ApplicationFiled: February 12, 2016Publication date: September 29, 2016Applicant: HITACHI PLANT MECHANICS CO., LTD.Inventors: Jun YOSHIDA, Takayuki KANEKO
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Patent number: 9291368Abstract: [Problem] To present a solar heat collecting device capable of enhancing the heat collecting efficiency by effectively utilizing the sunlight entering an area near the end part of the reflector at the opposite side of the direction of location of the sun. [Solving Means] In the solar heat collecting device for collecting the reflected light of sunlight Sb1, Sb2 entering a trough type reflector 1 having a parabolic section to a heat collecting pipe 2 erected at a position of focus of the reflector 1, and transmitting energy to a heat medium passing inside of the heat collecting pipe 2, the solar heat collecting device is installed so that central axis L1 of the reflector 1 may be directed along the north-south axis, and a plane reflector 3 is disposed orthogonally to central axis L1, at the end part of the reflector 1 at the opposite side of the direction of location of the sun.Type: GrantFiled: November 9, 2011Date of Patent: March 22, 2016Assignees: Hitachi, Ltd., Hitachi Plant Mechanics Co., Ltd.Inventors: Shinichirou Kawane, Jun Yoshida, Munenori Kawamura, Hironobu Ueda
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Publication number: 20130298897Abstract: [Problem] To present a solar heat collecting device capable of enhancing the heat collecting efficiency by effectively utilizing the sunlight entering an area near the end part of the reflector at the opposite side of the direction of location of the sun. [Solving Means] In the solar heat collecting device for collecting the reflected light of sunlight Sb1, Sb2 entering a trough type reflector 1 having a parabolic section to a heat collecting pipe 2 erected at a position of focus of the reflector 1, and transmitting energy to a heat medium passing inside of the heat collecting pipe 2, the solar heat collecting device is installed so that central axis L1 of the reflector 1 may be directed along the north-south axis, and a plane reflector 3 is disposed orthogonally to central axis L1, at the end part of the reflector 1 at the opposite side of the direction of location of the sun.Type: ApplicationFiled: November 9, 2011Publication date: November 14, 2013Applicants: Hitachi Plant Mechanics Co., Ltd., Hitachi Plant Technologies, Ltd.Inventors: Shinichirou Kawane, Jun Yoshida, Munenori Kawamura, Hironobu Ueda