Patents by Inventor Masataka Aoki
Masataka Aoki 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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Publication number: 20240124245Abstract: According to an embodiment, an article conveyance sorting apparatus includes a distributing section, a first conveyance section, a second conveyance section, and a conveyance sorting section. The distributing section distributes an article in a first direction or a second direction based on a first distribution control signal or a second distribution control signal corresponding to a distinguishing result of the article distinguished based on article information. The first conveyance section receives the article distributed in the first direction. The second conveyance section receives the article distributed in the second direction. The conveyance sorting section sorts each of articles conveyed by the plurality of trays to a designated sorting destination.Type: ApplicationFiled: August 26, 2022Publication date: April 18, 2024Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Infrastructure Systems & Solutions CorporationInventors: Masataka SATO, Takashi AOKI
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Patent number: 8411813Abstract: A method for carrying out a reactor internal, comprising steps of: forming a first opening portion in a ceiling of a reactor building at a position directly above an equipment pool in said reactor building; cutting a cylindrical reactor internal surrounding a core in a reactor pressure vessel disposed in said reactor building, at one position in an axial direction; surrounding said cut cylindrical reactor internal with a radiation shield; and carrying out said cylindrical reactor internal surrounded by said radiation shield out of said reactor building through said first opening portion.Type: GrantFiled: June 30, 2009Date of Patent: April 2, 2013Assignee: Hitachi-GE Nuclear Energy, Ltd.Inventor: Masataka Aoki
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Publication number: 20090323883Abstract: A method for carrying out a reactor internal, comprising steps of: forming a first opening portion in a ceiling of a reactor building at a position directly above an equipment pool in said reactor building; cutting a cylindrical reactor internal surrounding a core in a reactor pressure vessel disposed in said reactor building, at one position in an axial direction; surrounding said cut cylindrical reactor internal with a radiation shield; and carrying out said cylindrical reactor internal surrounded by said radiation shield out of said reactor building through said first opening portion.Type: ApplicationFiled: June 30, 2009Publication date: December 31, 2009Inventor: Masataka AOKI
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Publication number: 20070069857Abstract: A viewer qualification is stored in an RFID tag of a reader operator who is a user of the tag information reader and a viewer qualification range defined for each piece of article information depending on confidentiality of the article is stored in the article tag along with multiple pieces of article information. The wireless communication part in the tag information reader obtains the viewer qualification from the tag of the user, obtains the multiple pieces of article information and the viewer qualification range from the article tag, and stores them in a storage area. The information extracting part extracts the article information a viewer qualification range of which covers the viewer qualification from the storage area, and passes it to a display part for displaying it.Type: ApplicationFiled: September 1, 2006Publication date: March 29, 2007Inventors: Kenji Utaka, Masataka Aoki, Kenji Araki
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Publication number: 20050135538Abstract: A structure in a reactor building to be transported is made small when the structure is carried out from the reactor building and/or when the structure is carried into the reactor building. A beam is used outside a building inside of which a reactor pressure vessel is installed. The beam passes above the reactor pressure vessel and crosses over the building. A lifting machine has a lifting device and is moved on the beam. A shield is provided for shielding radioactive rays radiated from the reactor pressure vessel into the building through an opening portion provided in a roof of the building. The reactor pressure vessel, is moved together with the shield upward through the opening portion using the lifting device.Type: ApplicationFiled: November 24, 2003Publication date: June 23, 2005Inventors: Masataka Aoki, Kouichi Ushiroda, Takahiro Adachi, Kazuaki Kobayashi, Masatoshi Yoshizaki, Tatsuo Fukuda, Tomoya Yoshida
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Publication number: 20050031066Abstract: A method for carrying out the equipment of a nuclear power plant from its containment building, which can shorten the working time and reduce the number of casks to be used for carrying out the equipment exposed to radioactive rays from the containment building. To achieve the above object, the method of the present invention removes structures of a nuclear power plant, which are disposed outside the equipment installed in the nuclear power plant, then the removed structures are placed in the equipment to be carried out from the building.Type: ApplicationFiled: May 20, 2004Publication date: February 10, 2005Applicant: Hitachi, Ltd.Inventors: Masataka Aoki, Takahiro Adachi, Katsumi Kobayashi, Mitsuo Kuroha, Kazunori Izumi
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Publication number: 20040258191Abstract: A structure in a reactor building to be transported is made small when the structure is carried out from the reactor building and/or when the structure is carried into the reactor building. A beam is used outside a building inside of which a reactor pressure vessel is installed. The beam passes above the reactor pressure vessel and crosses over the building. A lifting machine has a lifting device and is moved on the beam. A shield is provided for shielding radioactive rays radiated from the reactor pressure vessel into the building through an opening portion provided in a roof of the building. The reactor pressure vessel, is moved together with the shield upward through the opening portion using the lifting device.Type: ApplicationFiled: June 28, 2004Publication date: December 23, 2004Applicants: Hitachi, Ltd., Hitachi Plant Engineering & Construction Co., Ltd.Inventors: Masataka Aoki, Kouichi Ushiroda, Takahiro Adachi, Kazuaki Kobayashi, Masatoshi Yoshizaki, Tatsuo Fukuda, Tomoya Yoshida
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Patent number: 6782070Abstract: When carrying the large structure out through an aperture portion provided at a roof of a reactor building, a chamber for covering the aperture is provided at the roof so that work of providing the chamber for covering the aperture portion can be performed independent of other work performed in the reactor building. At least a part of the work of using a roof crane, and at least a part of the work of handling fuel assemblies in the reactor building can be performed in parallel with forming the roof aperture.Type: GrantFiled: November 20, 2002Date of Patent: August 24, 2004Assignee: Hitachi, Ltd.Inventors: Masataka Aoki, Takahiro Adachi
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Patent number: 6744841Abstract: A method of carrying equipment out of a nuclear reactor building that, in carrying equipment rendered radioactive out of a nuclear reactor building, makes it possible to shorten the operating time and reduce the number of casks to be used, wherein the structures of a nuclear power plant that are outside the equipment installed in the nuclear power plant are removed and these removed structures are then stored in the space in the equipment and carried out of the building.Type: GrantFiled: December 19, 2001Date of Patent: June 1, 2004Assignee: Hitachi, Ltd.Inventors: Masataka Aoki, Takahiro Adachi, Katsumi Kobayashi, Mitsuo Kuroha, Kazunori Izumi
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Patent number: 6731715Abstract: One of methods for carrying out a reactor vessel according to the present invention comprises the steps of removing an overhead traveling crane in a reactor containment vessel of a pressurized water reactor, or the steps of, in an area where an overhead traveling crane is installed, operating the overhead traveling crane to move aside for creating a space, through which the reactor vessel is able to pass, and then carrying out the reactor vessel through an opening provided in a top portion of the reactor containment vessel. With the present method, the reactor vessel of the pressurized water reactor can be carried out in a short time with high efficiency.Type: GrantFiled: October 24, 2002Date of Patent: May 4, 2004Assignee: Hitachi, Ltd.Inventors: Masataka Aoki, Kouichi Ushiroda, Takahiro Adachi
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Patent number: 6643349Abstract: In order to carry out a radioactivated reactor pressure vessel from a nuclear reactor building of a nuclear power plant, a first opening portion for carrying out the reactor pressure vessel is provided in a roof of the nuclear reactor building. A radiation shield for covering the reactor pressure vessel and shielding radiations is carried into the reactor building through the first opening portion, and installed on a reactor shield wall. A hanger is lowered through the first opening portion and a slit provided on an upper lid of the radiation shield. A portion of a lid of the reactor pressure vessel and a portion of the upper lid of the radiation shield are abutted by hanging up the reactor pressure vessel by the hanger.Type: GrantFiled: August 1, 2002Date of Patent: November 4, 2003Assignees: Hesco Technology Co., Ltd., ICC Co., Ltd.Inventors: Masataka Aoki, Norihito Saito, Takahiro Adachi
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Patent number: 6625245Abstract: A method of carrying out a reactor vessel according to the present invention includes removing an overhead traveling crane in a reactor containment vessel of a pressurized water reactor. Alternatively, in an area where an overhead traveling crane is installed, operating the overhead traveling crane to move aside for creating a space, through which the reactor vessel is able to pass. Then the reactor vessel is carried out through an opening provided in a top portion of the reactor containment vessel. With the present method, the reactor vessel of the pressurized water reactor can be carried out in a short period of time with high efficiency.Type: GrantFiled: May 14, 2002Date of Patent: September 23, 2003Assignee: Hitachi, Ltd.Inventors: Masataka Aoki, Kouichi Ushiroda, Takahiro Adachi
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Patent number: 6608879Abstract: When carrying the large structure out through an aperture portion provided at a roof of a reactor building, a chamber for covering the aperture is provided at the roof so that work of providing the chamber for covering the aperture portion can be performed independent of other work performed in the reactor building, before at least a part of work of using a roof crane and at least a part work of handling fuel assemblies in the reactor building.Type: GrantFiled: March 15, 2001Date of Patent: August 19, 2003Assignee: Hitachi, Ltd.Inventors: Masataka Aoki, Takahiro Adachi
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Publication number: 20030128795Abstract: When carrying the large structure out through an aperture portion provided at a roof of a reactor building, a chamber for covering the aperture is provided at the roof so that work of providing the chamber for covering the aperture portion can be performed independent of other work performed in the reactor building, before at least a part of work of using a roof crane and at least a part work of handling fuel assemblies in the reactor building.Type: ApplicationFiled: November 20, 2002Publication date: July 10, 2003Applicant: Hitachi, Ltd.Inventors: Masataka Aoki, Takahiro Adachi
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Patent number: 6549601Abstract: An old core shroud (11) and an old jet pump (16) received in a reactor pressure vessel (1) are cut and carried out. A module of core internals having a new core shroud (N11), a new jet pump (N16) and a new baffle plate (N29) integrated is carried into the reactor pressure vessel (1) in which an old baffle plate (28) and an old shroud support cylinder (13) welded and fixedly secured to the reactor pressure vessel (1), and an old shroud support leg (12) fixedly secured to said old baffle plate (28) and said old shroud support cylinder (13) are left. Then, the new baffle plate (29) is fixedly secured to the old baffle plate (28), and the new core shroud (11) is fixedly secured to the old shroud support leg (12).Type: GrantFiled: August 29, 2000Date of Patent: April 15, 2003Assignee: Hitachi, Ltd.Inventors: Masataka Aoki, Junichi Kawahata
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Publication number: 20030043953Abstract: One of methods for carrying out a reactor vessel according to the present invention comprises the steps of removing an overhead traveling crane in a reactor containment vessel of a pressurized water reactor, or the steps of, in an area where an overhead traveling crane is installed, operating the overhead traveling crane to move aside for creating a space, through which the reactor vessel is able to pass, and then carrying out the reactor vessel through an opening provided in a top portion of the reactor containment vessel. With the present method, the reactor vessel of the pressurized water reactor can be carried out in a short time with high efficiency.Type: ApplicationFiled: October 24, 2002Publication date: March 6, 2003Applicant: Hitachi, Ltd.Inventors: Masataka Aoki, Kouichi Ushiroda, Takahiro Adachi
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Publication number: 20020186806Abstract: When a radioactivated reactor pressure vessel is carried out from a nuclear reactor building of a nuclear power plant, a first opening portion for carrying out the reactor pressure vessel is provided in a roof of the nuclear reactor building, a radiation shield for covering the reactor pressure vessel and shielding radiations is carried into the reactor building through the first opening portion, and installed on a reactor shield wall, lowering a hanger through the first opening portion and a slit provided on an upper lid of the radiation shield, a part of a lid of the reactor pressure vessel and a part of the upper lid of the radiation shield are abutted by hanging up the reactor pressure vessel by the hanger, and the reactor pressure vessel and the radiation shield integrated therewith are raised and carried out of the reactor building, whereby the shield can be easily mounted on the large-sized apparatus in a short time and a dose of radiations exposed to a worker when the shield is mounted can be reduced.Type: ApplicationFiled: August 1, 2002Publication date: December 12, 2002Applicant: Hitachi, Ltd.Inventors: Masataka Aoki, Norihito Saito, Takahiro Adachi
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Publication number: 20020176529Abstract: One of methods for carrying out a reactor vessel according to the present invention comprises the steps of removing an overhead traveling crane in a reactor containment vessel of a pressurized water reactor, or the steps of, in an area where an overhead traveling crane is installed, operating the overhead traveling crane to move aside for creating a space, through which the reactor vessel is able to pass, and then carrying out the reactor vessel through an opening provided in a top portion of the reactor containment vessel. With the present method, the reactor vessel of the pressurized water reactor can be carried out in a short time with high efficiency.Type: ApplicationFiled: July 8, 2002Publication date: November 28, 2002Applicant: Hitachi, Ltd.Inventors: Masataka Aoki, Kouichi Ushiroda, Takahiro Adachi
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Publication number: 20020157327Abstract: The present invention provides a method of handling a structure and an equipment of handling the structure which can make swing of the structure to be transported small when the structure in a reactor building is curried out from the reactor building and/or when the structure is carried into the reactor building from the outside of the reactor building.Type: ApplicationFiled: April 19, 2002Publication date: October 31, 2002Inventors: Masataka Aoki, Kouichi Ushiroda, Takahiro Adachi, Kazuaki Kobayashi, Masatoshi Yoshizaki, Tatsuo Fukuda, Tomoya Toshida
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Patent number: 6452993Abstract: When a radioactivated reactor pressure vessel is carried out from a nuclear reactor building of a nuclear power plant, a first opening portion for carrying out the reactor pressure vessel is provided in a roof of the nuclear reactor building, a radiation shield for covering the reactor pressure vessel and shielding radiations is carried into the reactor building through the first opening portion, and installed on a reactor shield wall, lowering a hanger through the first opening portion and a slit provided on an upper lid of the radiation shield, a part of a lid of the reactor pressure vessel and a part of the upper lid of the radiation shield are abutted by hanging up the reactor pressure vessel by the hanger, and the reactor pressure vessel and the radiation shield integrated therewith are raised and carried out of the reactor building, whereby the shield can be easily mounted on the large-sized apparatus in a short time and a dose of radiations exposed to a worker when the shield is mounted can be reduced.Type: GrantFiled: January 13, 2000Date of Patent: September 17, 2002Assignees: Hitachi, Ltd., HESCO Technology Co., Ltd., ICC Co., Ltd.Inventors: Masataka Aoki, Norihito Saitou, Takahiro Adachi