[특허]Boiling water type nuclear reactor core and operation method thereof

Boiling water type nuclear reactor core and operation method thereof 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G21C-003/34 G21C-007/113
출원번호	US-0048994 (1998-03-27)
우선권정보	JP0079555 (1997-03-31)
발명자 / 주소	Yamashita Junichi,JPX Moriya Kumiaki,JPX Haikawa Katsumasa,JPX Masuhara Yasuhiro,JPX Takii Taichi,JPX Yamanaka Akihiro,JPX Kondo Takao,JPX Aoyama Motoo,JPX Chaki Masao,JPX
출원인 / 주소	Hitachi, Ltd., JPX
대리인 / 주소	Mattingly, Stanger & Malur
인용정보	피인용 횟수 : 12 인용 특허 : 4

초록 ▼

A boiling water type nuclear reactor core, in which a plurality of fuel assemblies, each enclosed in a channel box, are loaded and a plurality of control rods, each having control blades, are arranged between the channel boxes. Latitudinal long blade control rods, each having control rod blades which extend latitudinally in four directions, are arranged between channel boxes on diagonals of square bundle regions each formed by a plurality of fuel assemblies, and latitudinal short blade control rods, each having control rod blades which extend latitudinally in four directions with each control rod blade having a latitudinal length of about half of the width of one of the square bundle regions, are arranged between the channel boxes in the center of each of the square bundle regions. The long blade control rods have a latitudinal blade length which is about twice as long as the latitudinal blade length of the short blade control rods.

대표청구항 ▼

[What is claimed is:] [1.]square bundle regions, each of which is formed by a plurality of fuel assemblies;short blade control rods, each of which has a latitudinal control rod blade length of about one half of the width of said square bundle region and is arranged between said channel boxes in the center of each of said square bundle regions; andlong blade control rods, each of which has a latitudinal control rod blade length of about twice as long as that of said short blade control rods and is arranged between said channel boxes on a diagonal line of each of said square bundle regions.

이 특허에 인용된 특허 (4)

Ose Richard A. (San Jose CA), Control rod drive hydraulic system.
상세보기
Masuhara Yasuhiro (Katsuta JPX) Yokomizo Soamu (Ibaraki JPX) Inoue Kotaro (Ibaraki JPX) Uchikawa Sadao (Katsuta JPX) Aoyama Motoo (Hitachi JPX) Yamashita Junichi (Hitachi JPX) Yoshimoto Yuichiro (Hit, Fuel assembly.
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Popa Frank D. (Monroeville Boro PA), Nuclear fuel pellet containing gadolinia.
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Nishida Koji (Hitachi JPX) Yokomizo Osamu (Ibaraki JPX) Masuhara Yasuhiro (Katsuta JPX) Nakao Toshitsugu (Hitachi JPX) Kashiwai Shin-ichi (Hitachi JPX) Tomiyama Akio (Kobe JPX) Yamashita Junichi (Hit, Nuclear reactor having an ascending cooling path much greater than the descending cooling path.
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이 특허를 인용한 특허 (12)

Yamashita, Junichi; Moriya, Kumiaki; Haikawa, Katsumasa; Masuhara, Yasuhiro; Takii, Taichi; Yamanaka, Akihiro; Kondo, Takao; Aoyama, Motoo; Chaki, Masao, Boiling water type nuclear reactor core and operation method thereof.
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Kawashima, Norio; Oizumi, Hirofumi; Aoike, Satoru, Control rod for boiling water reactor.
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Challberg, Roy C.; Fennern, Larry E.; Fawcett, Russell M., Core configuration for a nuclear reactor.
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Bashkirtsev, Sergey Mikhailovich; Kuznetsov, Valentin Fedorovich; Kevrolev, Valery Vladimirovich; Morozov, Alexey Glebovich; Montgomery, Michael H., Fuel assembly.
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Bashkirtsev, Sergey Mikhailovich; Kuznetsov, Valentin Fedorovich; Kevrolev, Valery Vladimirovich; Morozov, Alexey Glebovich; Montgomery, Michael H., Fuel assembly.
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Bashkirtsev, Sergey Mikhailovich; Morozov, Alexey Glebovich; Totemeier, Aaron, Fuel assembly.
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Totemeier, Aaron; Bashkirtsev, Sergey M.; Morozov, Alexey G., Fuel assembly.
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Bashkirtsev, Sergey M.; Kuznetsov, Valentin F.; Kevrolev, Valery V.; Morozov, Alexey G., Light-water reactor fuel assembly (alternatives), a light-water reactor, and a fuel element of fuel assembly.
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Knabe, Pawel, Module for forming a nuclear fuel assembly and corresponding nuclear fuel assembly.
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Bashkirtsev, Sergey Mikhailovich; Kuznetsov, Valentin Fedorovich; Kevrolev, Valery Vladimirovich; Morozov, Alexei Glebovich; Montgomery, Michael H., Nuclear reactor (alternatives), fuel assembly of seed-blanket subassemblies for nuclear reactor (alternatives), and fuel element for fuel assembly.
상세보기
Bashkirtsev, Sergey Mikhailovich; Kuznetsov, Valentin Fedorovich; Kevrolev, Valery Vladimirovich; Morozov, Alexey Glebovich, Nuclear reactor (alternatives), fuel assembly of seed-blanket subassemblies for nuclear reactor (alternatives), and fuel element for fuel assembly.
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Ingraham, Jason B.; Kvaall, Jr., Gerald D.; Cantonwine, Paul E.; Thomas, Michael W.; Cline, William C., Optimized fuel assembly channels and methods of creating the same.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Boiling water type nuclear reactor core and operation method thereof 원문보기