[특허]Composite shaft

Honeywell International, Inc.

검색어에 아래의 연산자를 사용하시면 더 정확한 검색결과를 얻을 수 있습니다.
검색연산자

검색연산자	기능	검색시 예
()	우선순위가 가장 높은 연산자	예1) (나노 (기계 \| machine))
공백	두 개의 검색어(식)을 모두 포함하고 있는 문서 검색	예1) (나노 기계) 예2) 나노 장영실
\|	두 개의 검색어(식) 중 하나 이상 포함하고 있는 문서 검색	예1) (줄기세포 \| 면역) 예2) 줄기세포 \| 장영실
!	NOT 이후에 있는 검색어가 포함된 문서는 제외	예1) (황금 !백금) 예2) !image
*	검색어의 *란에 0개 이상의 임의의 문자가 포함된 문서 검색	예) semi*
""	따옴표 내의 구문과 완전히 일치하는 문서만 검색	예) "Transform and Quantization"

과학기술 지식인프라 ScienceON

특허 상세정보

MyON담기

내보내기

Composite shaft

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01D-025/12 F01D-025/08
미국특허분류(USC)	415/001; 415/104; 415/107; 415/175; 415/177; 415/229; 415/216.1; 417/373; 417/407; 384/317; 384/476; 384/900
출원번호	US-0834611 (2004-04-28)
등록번호	US-7267523 (2007-09-11)
발명자 / 주소	Saville,Marshall
출원인 / 주소	Honeywell International, Inc.
인용정보	피인용 횟수 : 9 인용 특허 : 9

초록
▼

A turbine shaft may be used to remove a heat load from pliant bearings without requiring the use of a process fluid for cooling the turbine shaft. The turbine shaft comprises a heat conductive sleeve disposed between an outer surface of a tie rod shaft and an inner surface of a bearing journal; the heat conductive sleeve having a sleeve inner surface separated from a sleeve outer surface by a sleeve thickness; the heat conductive sleeve having a first end separated from a second end longitudinally about a center axis; the sleeve outer surface being in ph...

대표
청구항
▼

I claim: 1. A turbine shaft comprising: a heat conductive sleeve disposed between an outer surface of a tie rod shaft, and an inner surface of a bearing journal; said heat conductive sleeve having a sleeve inner surface separated from a sleeve outer surface by a sleeve thickness; an insulator disposed between said sleeve inner surface and said outer surface of said tie rod shaft; said heat conductive sleeve having a first end separated longitudinally from a second end about a center axis; said sleeve outer surface being in physical contact with said inner surface of said bearing journal; and said heat conductive sleeve having a thermal conductivity that is greater than a thermal conductivity of said bearing journal. 2. The turbine shaft of claim 1, wherein said sleeve inner surface is not in physical contact with said outer surface of said tie rod shaft. 3. The turbine shaft of claim 1, wherein said insulator is air. 4. The turbine shaft of claim 1, wherein said heat conductive sleeve has a thermal conductivity of at least about 50 watts per meter degree Kelvin. 5. The turbine shaft of claim 1, wherein said heat conductive sleeve has a thermal conductivity of at least about 390 watts per meter degree Kelvin. 6. The turbine shaft of claim 1, wherein said heat conductive sleeve comprises at least one of copper, aluminum, silver, a ceramic material, a carbon graphite material, or an impregnated carbon graphite material. 7. The turbine shaft of claim 1, wherein said sleeve thickness is about 1% to about 10,000% that of a thickness of said bearing journal. 8. The turbine shaft of claim 1, wherein said sleeve thickness is about 50% to about 200% that of a thickness of said bearing journal. 9. The turbine shaft of claim 1, wherein said bearing journal comprises a material having a modulus of elasticity of at least about 20 Mpsi. 10. The turbine shaft of claim 1, wherein said bearing journal is a pliant foil bearing journal. 11. A turbine shaft comprising: a heat conductive sleeve disposed between an outer surface of a tie rod shaft, and an inner surface of a bearing journal; said heat conductive sleeve being characterized by a circular cross section; said heat conductive sleeve having a sleeve inner surface separated from a sleeve outer surface by a sleeve thickness; said heat conductive sleeve having a first end separated longitudinally from a second end about a center axis; said second end of said conductive sleeve being in thermal communication with a compressor wheel; said sleeve outer surface being in physical contact with said inner surface of said bearing journal; at least a portion of said sleeve inner surface being physically isolated from said outer surface of said tie rod; and said heat conductive sleeve having a thermal conductivity that is greater than a thermal conductivity of said bearing journal. 12. The turbine shaft of claim 11, wherein said bearing journal is a pliant foil bearing journal. 13. The turbine shaft of claim 11, wherein said sleeve outer surface of said heat conductive sleeve is pressed into frictional or mechanical contact with said inner surface of said bearing journal. 14. The turbine shaft of claim 11, wherein said sleeve outer surface of said heat conductive sleeve is metallurgically bonded by welding, brazing, diffusion, or plating to said inner surface of said bearing journal. 15. A turbine shaft comprising: a heat conductive sleeve having a first portion disposed between an outer surface of a tie rod shaft, and an inner surface of a pliant foil bearing journal; said first portion of said heat conductive sleeve being characterized by a circular cross section; said first portion of said heat conductive sleeve having a sleeve inner surface separated from a sleeve outer surface by a sleeve thickness; said first portion of said heat conductive sleeve having a first end separated longitudinally from a second end about a central axis; said sleeve outer surface being in physical contact with said inner surface of said pliant foil bearing journal; at least a portion of said sleeve inner surface being physically isolated from said outer surface of said tie rod; said heat conductive sleeve having a second ring portion comprising a ring extending radially away from a portion of said sleeve outer surface; said second ring portion being perpendicular to said center axis; said second ring portion having a ring outer diameter; said second ring portion having a first face perpendicular to said center axis and separated longitudinally from a second face about said center axis; said first face and said second face being in physical contact with a portion of an inner surface of a pliant foil thrust bearing runner; said heat conductive sleeve having a thermal conductivity that is greater than a thermal conductivity of said pliant foil bearing journal and said thrust bearing runner. 16. The turbine shaft of claim 15, wherein a length of said heat conductive sleeve, is greater than a length of said pliant foil bearing journal. 17. The turbine shaft of claim 15, wherein said second end of said heat conductive sleeve is in thermal communication with a compressor wheel. 18. The turbine shaft of claim 15, wherein said heat conductive sleeve comprises copper or a copper alloy. 19. The turbine shaft of claim 15, wherein said sleeve thickness is about 1% to about 10,000% that of a thickness of said pliable foil bearing journal. 20. A gas turbine engine comprising: a turbine wheel connected to a compressor wheel through a turbine shaft; said turbine shaft having a bearing journal; said turbine shaft mounted in a turbine housing to rotate within a pliant foil bearing having one or more foils extending about an outer surface of said bearing journal of said turbine shaft; said turbine shaft having a heat conductive sleeve disposed between an outer surface of a tie rod shaft and an inner surface of said bearing journal; said heat conductive sleeve being characterized by a circular cross section; said heat conductive sleeve having a sleeve inner surface separated from a sleeve outer surface by a sleeve thickness; said sleeve outer surface being in physical contact with said inner surface of said bearing journal; said heat conductive sleeve having a first end longitudinally separated from a second end about a center axis; at least a portion of said second end of said heat conductive sleeve being in thermal communication with said compressor wheel; at least a portion of said sleeve inner surface being physically isolated from said outer surface of said tie rod; and said heat conductive sleeve having a thermal conductivity that is greater than a thermal conductivity of said bearing journal. 21. The gas turbine engine of claim 20, wherein said turbine shaft has one or more pliant foil bearing journals. 22. A turbine shaft comprising: a heat conductive sleeve having a first portion disposed between an outer surface of a tie rod shaft, and an inner surface of a pliant foil bearing journal; said first portion of said heat conductive sleeve being characterized by a circular cross section; said first portion of said heat conductive sleeve having a sleeve inner surface separated from a sleeve outer surface by a sleeve thickness; said sleeve thickness being about 200% that of a thickness of said pliant foil bearing journal; said first portion of said heat conductive sleeve having a first end separated longitudinally from a second end about a center axis by a length; said length of said first portion of said heat conductive sleeve being greater than a length of said pliant foil bearing journal; said sleeve outer surface being in physical contact with said inner surface of said pliant foil bearing journal; at least a portion of said sleeve inner surface being physically isolated from said outer surface of said tie rod; said heat conductive sleeve having a second ring portion extending radially away from a portion of said sleeve outer surface; said second ring portion being perpendicular to said center axis; said second ring portion having a ring outer diameter; said second ring portion having a first face perpendicular to said center axis and separated longitudinally from a second face about said center axis; said first face and said second face being in physical contact with a portion of an inner surface of a pliant foil thrust bearing runner; said heat conductive sleeve having a thermal conductivity that is greater than a thermal conductivity of said pliant foil bearing journal and said thrust bearing runner. 23. A method of removing heat from a pliant foil bearing in a turbine comprising the steps of: disposing a turbine shaft in contact with said pliant foil bearing; thermally contacting an end of said turbine shaft with a compressor wheel of said turbine; and rotating said turbine shaft; wherein said turbine shaft includes: a heat conductive sleeve disposed between an outer surface of a tie rod shaft, and an inner surface of a bearing journal of said pliant foil bearing; said heat conductive sleeve having a sleeve inner surface separated from a sleeve outer surface by a sleeve thickness; said sleeve outer surface being in physical contact with said inner surface of said bearing journal; said heat conductive sleeve having a first end separated longitudinally from a second end about a center axis; said second end being in thermal contact with said compressor wheel of said turbine; and said heat conductive sleeve having a thermal conductivity that is greater than a thermal conductivity of said bearing journal. 24. The method of claim 23, wherein said compressor wheel has a lower temperature than said bearing journal.

이 특허에 인용된 특허 (9)

이 특허를 인용한 특허 피인용횟수: 9

IPC 상위 출원인

내보내기

상세정보
내보내기 구분	파일저장 인쇄 메일전송
구성항목	관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	> 총 건의 자료가 검색되었습니다. > 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) > 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. > 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) > 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오 > ~ > Text(ASCII format) Excel format

과학기술 지식인프라 ScienceON

ScienceON Chatbot

특허 상세정보

Composite shaft

초록
▼

대표
청구항
▼

이 특허에 인용된 특허 (9)

이 특허를 인용한 특허 피인용횟수: 9

IPC 상위 출원인

과제정보

상세정보조회

원문조회

IPC 상세정보(version : 201201)

연구과제 성과물(0)

참여연구원의 다른 문헌(0)

처리중입니다.

잠시만 기다려주세요.

ScienceON Chatbot

특허 상세정보

Composite shaft

초록 ▼

대표청구항 ▼

이 특허에 인용된 특허 (9)

이 특허를 인용한 특허 피인용횟수: 9

IPC 상위 출원인

과제정보

상세정보조회

원문조회

IPC 상세정보(version : 201201)

연구과제 성과물(0)

참여연구원의 다른 문헌(0)

처리중입니다.

잠시만 기다려주세요.

초록
▼

대표
청구항
▼