[특허]Monorotor for a gas turbine engine

Monorotor for a gas turbine engine 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02L-003/06
출원번호	US-0491050 (2000-01-25)
발명자 / 주소	Izadi Said Elgin Richard L.
출원인 / 주소	Hamilton Sundstrand Corporation
대리인 / 주소	Wood Phillips VanSanten Clark & Mortimer
인용정보	피인용 횟수 : 15 인용 특허 : 13

초록 ▼

High inertia and large bearing loads encountered in monorotors for gas turbine engines are reduced in a monorotor having a compressor wheel section (10) made of a relatively low density material while the turbine wheel section (12) maintains resistance to heat by being made of a relatively higher density, heat resistant material. The two are joined into a monorotor through the use of two bodies (24,38) which are inertia welded to the respective wheels (10,12) and then welded together by any one of a variety of welding processes.

대표청구항 ▼

[ What is claimed is:] [9.]9. A monorotor for a gas turbine engine having a hot section containing a turbine wheel and a cold section containing a rotary compressor wheel joined to said turbine wheel for rotation therewith, said monorotor comprising:a turbine wheel formed of a material resistant to high temperatures and rotatable about an axis;a rotary compressor wheel formed of a material different from said turbine wheel and having a lesser density than the turbine wheel material, said compressor wheel being rotatable about said axis;a first body of a material different from those of said turbine and compressor wheels and metallurgically bonded to one of said wheels;a second body of a material different from those of said turbine and compressor wheels and metallurgically bonded to the other of said wheels; anda weld metallurgically bonding said bodies together for joint rotation about said axis.

이 특허에 인용된 특허 (13)

Yoshikawa Takaya (Aichi JPX) Ishida Noboru (Aichi JPX), Ceramic rotor and metal shaft assembly.
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Fang Ho T. (Scottsdale AZ), Ceramic-metal brazed joint for turbochargers.
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Joco Fidel M. (Long Beach CA), Compressor wheel assembly for turbochargers.
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Brobeck Helmut (Hessheim DEX), Improved connection structure for joining ceramic and metallic parts of a turbine shaft.
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De Kruif Jack (Carson CA), Integral deflection washer compressor wheel.
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Leins ; Alfred, Internal combustion engine with afterburning and catalytic reaction in a supercharger turbine casing.
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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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Brueckner Gerhard (Munich DEX) Woehrl Bernhard (Gauting DEX) Sassmannshausen Harald (Fuerstenfeldbruck DEX), Radial compressor rotor with imbalance compensation.
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Pollini Claudio (Uster CHX) Strizenou Cornelis (Nussbaumen CHX), Rotor for thermal turbomachines.
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Wood Homer J. (Sherman Oaks CA), Single shaft gas turbine engine with radial exhaust diffuser.
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Osborn Norbert L. (402 W. Grauwyler Irving TX 75061), Turbocharger and adaptations thereof.
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Osborn Norbert L. (402 W. Grauwyler Irving TX 75061), Turbocharger compressor housing.
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McInerney William L. (Dallas) Osborn Norbert L. (Irving TX) Schruf Gerhard M. (Irving TX), Turbomachinery incorporating heat transfer reduction features.
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이 특허를 인용한 특허 (15)

Rosen, Seth E.; Beers, Craig M.; Pragluski, Robert M.; Rowley, Michael P., Air cycle machine air bearing shaft.
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Bacon,Isabelle; Durham,Simon John Peter, Compressor rotor and method for making.
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Fonte, Matthew V., Corrosion resistant bimetallic tube manufactured by a two-step process.
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Sutherlin, Richard C.; Herb, Brett J.; Graham, Ronald A., Corrosion resistant fluid conducting parts, methods of making corrosion resistant fluid conducting parts and equipment and parts replacement methods utilizing corrosion resistant fluid conducting parts.
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Gerald Richard Crawmer, Fabricating turbine rotors composed of separate components.
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Sekihara, Masaru; Usami, Saburo; Hayasaka, Yasushi; Dodo, Satoschi, Gas turbine and gas turbine power generator.
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Carrier, Charles William, Inertia welding of blades to rotors.
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Sutherlin, Richard C.; Herb, Brett J.; Graham, Ronald A., Method for making corrosion resistant fluid conducting parts.
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Haubold, Thomas; Berkenhoff, Claudia, Method for the repair of a compressor rotor designed in blisk technology.
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Keller, Sorin; Balbach, Werner Martin; Gerdes, Claus Paul, Method for welding rotors for power generation.
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Light, Stacey H.; Hagshenas, Behzad, Method of making a turbine wheel axial retention device.
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Hall, James A.; Krishnamurthy, Krish, Method of manufacture of dual titanium alloy impeller.
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Izadi, Said, Method of manufacturing a turbine rotor.
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Izadi, Said, Method of manufacturing a turbine rotor.
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Carney,Michael, Single-piece turbine rotor and pinion gear and manufacturing technique for 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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Monorotor for a gas turbine engine 원문보기