[특허]Method for fastening blades on the periphery of the rotor body of a steam turbine and the turbo-machine produced by the

[미국특허] Method for fastening blades on the periphery of the rotor body of a steam turbine and the turbo-machine produced by the 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01D-005/30 B23P-015/02 B21K-023/00
출원번호	US-0873605 (1986-06-11)
우선권정보	DE-3521664 (1985-06-18)
발명자 / 주소	Faber Guy (Oberrohrdorf CHX) Kuhnen Gottfried (Oberrohrdorf CHX)
출원인 / 주소	BBC Brown, Boveri & Company, Limited (Baden CHX 03)
인용정보	피인용 횟수 : 12 인용 특허 : 4

초록 ▼

Steam turbine blades are fastened in an outer layer of weld material applied by deposit welding to the outer surface of the rotor body, the composition of the weld material being optimally matched with respect to hot strength and/or corrosion resistance, in particular stress corrosion resistance, to the local mechanical, thermal and chemical requirements. A possible option is additionally to insert a deposit welded intermediate layer of medium alloying element content. Steels with 10-14% Cr, low carbon and additions of Mo and possibly V are preferred as the weld material for the layer.

대표청구항 ▼

A rotor and blade arrangement for a steam turbine, comprising: a rotor body; an outer layer applied to the rotor body comprising at least one welding run of a steel that is one of high temperature corrosion resistance and stress corrosion resistance; said outer layer being machined for the purpose of receiving blades; and blades inserted into the machined outer layer. A method for fastening blades on the periphery of a rotor body of a steam turbine by firmly clamping and wedging the blades in recesses and/or protrusions of the rotor body, comprising: covering an annular portion of the outer surface of the rotor body, by means of deposit welding, with at least one layer, said at least one layer being formed by welding a run of one of a high temperature corrosion resistant and stress corrosion resistant steel, after solidification of the welding run, subjecting the part of the rotor body formed by deposit welding to machining by one of turning, milling and grinding for the purpose of forming at least one of a recess and a protrusion to receive the blades, and inserting the blades in said at least one machined layer of weld material.

이 특허에 인용된 특허 (4) 인용/피인용 타임라인 분석

Langer Manfred (Fallersleben DEX) Siebels Johann (Wolfsburg DEX), Method of producing an article which comprises a first zone of a nonoxide ceramic material and a second zone of a softer.
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Mhlberger Horst (Staufenstrasse 29 D-6000 Frankfurt/Main 1 DEX), Welding alloy and method.
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Nakazaki Takamitsu (Takahagi JA) Kita Hisanao (Hitachi JA) Yonezawa Tatsuo (Hitachi JA) Kawada Yasuzi (Hitachi JA) Okamura Hisanori (Hitachi JA), Welding method for dissimilar metals.
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Sakata Shinji (Hitachi JPX) Yokota Hirakazu (Hitachi JPX) Shimizu Tasuku (Hitachi JPX) Otawara Yasuhiko (Katsuta JPX), Welding method of turbine diaphragm.
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이 특허를 인용한 특허 (12) 인용/피인용 타임라인 분석

Blumer, Eric; Jan, David K.; Smoke, Jason; Adams, Robbie Joseph; Kington, Harry Lester, Bladed gas turbine engine rotors having deposited transition rings and methods for the manufacture thereof.
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Smoke, Jason; Jan, David K.; Mittendorf, Don; Ludwig, Brent; Miner, Amandine; Chase, Deanna Pinar, Dual alloy bladed rotors suitable for usage in gas turbine engines and methods for the manufacture thereof.
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Coulon Andr (Bessoncourt FRX), Method of applying a protective coating to a titanium alloy blade, and a blade obtained thereby.
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Charbonnel, Jean-Louis; Miraucourt, Gerard G.; Naudet, Jacky, Method of fixing stemmed blade for a flow-straightening stage of a gas turbine engine.
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Clark Robert E. (Orlando FL) Novak Robert L. (Winter Springs FL) Amos Dennis R. (Rock Hill SC), Method of making a high temperature - low temperature rotor for turbines.
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Anderson ; III Karl Rudolph ; Crawmer Gerald Richard ; Ellis Edward Kenneth ; Nolan John Francis ; Earvolino Louis Patrick ; Seeley Robert Ellis ; Pepe Joseph John ; Christoffel Robert Joseph ; Van U, Method of repairing a steam turbine rotor.
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Anderson ; III Karl Rudolph ; Crawmer Gerald Richard ; Ellis Edward Kenneth ; Nolan John Francis ; Earvolino Louis Patrick ; Seeley Robert Ellis ; Pepe Joseph John ; Christoffel Robert Joseph ; Van U, Method of repairing a steam turbine rotor.
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Meier, Reinhold, Method of repairing metallic components.
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Farineau, Thomas Joseph; Deallenbach, Robert Edward; McMurray, Timothy Scott, Rotor blade mounting.
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Roberts Blaine W. ; Zielke William H. ; Puri Arun ; Jirinec Michael ; Novak Frank, Rotor repair system and technique.
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Baran, Robert Gerard; Koza, Kenneth Michael; Miller, Jr., Richard James; Olson, James Edward; Piechota, Robert James; Roy, Kevin John Lewis; Willett, Fred Thomas, Steam turbine with single shell casing, drum rotor, and individual nozzle rings.
상세보기
Robert E. Clark ; Dennis R. Amos, Turbine system having more failure resistant rotors and repair welding of low alloy ferrous turbine components by controlled weld build-up.
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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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[미국특허] Method for fastening blades on the periphery of the rotor body of a steam turbine and the turbo-machine produced by the 원문보기