[특허]Extruded guide frame and manufacturing methods thereof

Extruded guide frame and manufacturing methods thereof 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G21C-007/117 G21C-007/08 G21C-007/12 G21C-021/18
출원번호	US-0215119 (2014-03-17)
등록번호	US-10096388 (2018-10-09)
발명자 / 주소	Shargots, Scott J
출원인 / 주소	BWXT mPower, Inc.
대리인 / 주소	Nelson Mullins Riley & Scarborough LLP
인용정보	피인용 횟수 : 0 인용 특허 : 66

초록 ▼

A control rod guide frame has a central passage of constant cross-section as a function of position along a central axis that passes through the central passage. The central passage is sized and shaped to guide a traveling assembly including at least one control rod as it moves along the central axis. The control rod guide frame comprises at least two radial guide frame sections secured around and defining the central passage. Each radial guide frame section may comprise an extruded radial guide frame section, which may be made of extruded steel. The central passage may include control rod guidance channels parallel the central axis and machined into the extruded radial guide frame sections. The at least two radial guide frame sections may be interchangeable. In some embodiments the at least two radial guide frame sections consist of between four and eight radial guide frame sections.

대표청구항 ▼

1. An apparatus comprising: a control rod guide frame having a central passage of constant cross-section as a function of position along a central axis that passes through the central passage, the central passage sized and shaped to guide a traveling assembly including at least one control rod as the traveling assembly moves along the central axis,wherein the control rod guide frame comprises at least two radial guide frame sections that are secured to each other in alternating up and down orientations and configured to surround and define the central passage. 2. The apparatus as set forth in claim 1, wherein each radial guide frame section comprises an extruded radial guide frame section. 3. The apparatus as set forth in claim 2, wherein the central passage includes control rod guidance channels parallel to the central axis and machined into the extruded radial guide frame sections. 4. The apparatus as set forth in claim 2, wherein the extruded radial guide frame sections are made of extruded steel. 5. The apparatus as set forth in claim 1, wherein the at least two radial guide frame sections consist of between four and eight radial guide frame sections. 6. The apparatus as set forth in claim 1, wherein the central passage includes control rod guidance channels parallel to the central axis. 7. The apparatus as set forth in claim 1, wherein the control rod guide frame further comprises: bands wrapped around the outside of the at least two radial guide frame sections to secure the at least two radial guide frame sections together to define a control rod guide frame body of the control rod guide frame. 8. The apparatus as set forth in claim 1, wherein the control rod guide frame further comprises: welds at interfaces between the at least two radial guide frame sections that secure the at least two guide frame sections together to define a control rod guide frame body of the control rod guide frame. 9. The apparatus as set forth in claim 1, wherein the at least two radial guide frame sections secured around and defining the central passage define a guide frame body, and the control rod guide frame further comprises: a lower plate connected to a lower end of the guide frame body; andan upper plate connected to an upper end of the guide frame body. 10. The apparatus as set forth in claim 9, wherein each radial guide frame section is a single element that extends the entire length along the central axis between the lower and upper plates. 11. The apparatus as set forth in claim 1, wherein the at least two radial guide frame sections secured around and defining the central passage define a guide frame body having a constant outer perimeter as a function of position along a center axis. 12. The apparatus as set forth in claim 1, wherein the at least two radial guide frame sections secured around and defining the central passage define a guide frame body, and the radial guide frame sections include flow slot passages providing fluid communication between the central passage and the exterior of the guide frame body. 13. The apparatus as set forth in claim 1, wherein the control rod guide frame further comprises: keys disposed in alignment features of the at least two radial guide frame sections. 14. The apparatus as set forth in claim 1, further comprising: a nuclear reactor core comprising a fissile material; anda control rod drive mechanism (CRDM) arranged to control movement of the traveling assembly as the traveling assembly moves along the central axis. 15. The apparatus as set forth in claim 14, further comprising a reactor pressure vessel that contains the nuclear reactor core, the CRDM, and the control rod guide frame.

이 특허에 인용된 특허 (66)

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Johnson Daniel R. (Schaumburg IL), Attachment for securing high temperature internals to refractory lined pressure vessels.
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Kashiwai Shin-ichi (Hitachi JPX) Yokomizo Osamu (Toukai JPX) Orii Akihito (Hitachi JPX) Nishida Koji (Hitachi JPX) Kanazawa Toru (Hitachi JPX) Moriya Kumiaki (Hitachi JPX), Boiling water reactor.
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Murakami, Kazuo; Suzuki, Shigemitsu; Yoshigai, Kyohichi, Control rod for nuclear reactor.
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Aktas, Birol; Clark, Carlton W.; Russell, II, William Earl, Control rod guide tube and method for providing coolant to a nuclear reactor fuel assembly.
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Aktas, Birol; Clark, Carlton W.; Russell, II, William Earl, Control rod guide tube and method for providing coolant to a nuclear reactor fuel assembly.
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Robert Jean,FRX ; Kopecky Bernard,FRX, Frame-held neutron-absorbing fuel rod assembly storage rack.
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Woodcock Joel (Sewickly Township ; Westmoreland County PA), Guide plate for guide tubes used in nuclear reactors.
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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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Extruded guide frame and manufacturing methods thereof 원문보기

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