[특허]Turbocharger turbine assembly

[미국특허] Turbocharger turbine assembly 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02D-023/00 F01D-017/12 F01D-025/24 F01D-025/26 F01D-025/14 F02B-037/00 F02B-037/24 F01D-025/16 F02C-006/12 F02B-039/00
출원번호	US-0642133 (2015-03-09)
등록번호	US-9732633 (2017-08-15)
발명자 / 주소	Annati, Richard E. Frick, Matthew J.
출원인 / 주소	Caterpillar Inc.
대리인 / 주소	Leydig, Voit & Mayer, Ltd.
인용정보	피인용 횟수 : 1 인용 특허 : 164

초록 ▼

A turbocharger including a turbine housing including a gas inlet passage and a turbine wheel arranged in the turbine housing. A bearing housing is connected to the turbine housing. A nozzle ring is disposed around the turbine wheel and a shroud is arranged in surrounding relation to at least a portion of the turbine wheel. The shroud is connected to the nozzle ring and the nozzle ring and shroud are connected to a heat shield. The heat shield is secured to the bearing housing by a plurality of cross key pins, each cross key pin being inserted in a radially extending first passage in the heat shield and a complementary radially extending second passage in the bearing housing. The first passages and second passages are symmetrically arranged in a circular pattern about a rotational axis of the turbine.

대표청구항 ▼

1. A turbocharger comprising: a turbine housing including a gas inlet passage;a turbine wheel that has a plurality of blades and is arranged in the turbine housing;a bearing housing connected to the turbine housing;a shaft rotatably supported in the bearing housing and connected to the turbine wheel;a heat shield;a nozzle ring disposed around the turbine wheel and including a plurality of vanes with flow channels being defined between the vanes that are in fluid communication with the gas inlet passage and with the turbine wheel; anda shroud arranged in surrounding relation to at least a portion of the turbine wheel, the shroud being connected to the nozzle ring, the nozzle ring and shroud are connected to the heat shield;wherein the heat shield is secured to the bearing housing by a plurality of cross key pins, each cross key pin being inserted in a radially extending first passage in the heat shield and a complementary radially extending second passage in the bearing housing, the first passage and second passage being oriented normal to a rotational axis of the turbine wheel and symmetrically arranged in a circular pattern about the rotational axis of the turbine wheel such that the cross key pins force symmetrical thermal expansion of the heat shield, nozzle ring and shroud during operation of the turbocharger; andwherein the flow channels defined by the vanes are configured to direct gas tangentially and radially inward toward an inner diameter of the turbine wheel and the shroud is configured to define a flow path in communication with the gas inlet passage and the flow channels, the flow path extending in a direction parallel to a rotational axis of the turbine wheel, wherein the shroud includes a first leg that extends in a radial direction of the turbine wheel and a second leg that extends in the direction parallel to the rotational axis of the turbine wheel, and wherein the shroud further includes a first gas seal arranged between the second leg of the shroud and an inside wall of the turbine housing and a second gas seal arranged between the heat shield and the bearing housing. 2. The turbocharger of claim 1 wherein the shroud is integrally formed with the nozzle ring such that the plurality of vanes extend away from the shroud. 3. The turbocharger of claim 1 wherein the shroud, the nozzle ring and the heat shield are made of the same material. 4. The turbocharger of claim 1 wherein the vanes extend from the first leg of the shroud. 5. The turbocharger of claim 1 wherein the second seal comprises a plurality of knife edge seals that extend from a surface of the heat shield into engagement with the bearing housing. 6. A method of providing symmetrical thermal expansion of components of a turbocharger including a turbine housing and a turbine wheel arranged in the turbine housing and connected to a shaft that is rotatably supported in a bearing housing, the method comprising: providing a nozzle ring disposed around the turbine wheel and including a plurality of vanes with flow channels being defined between the vanes that are in fluid communication the gas inlet passage and with the turbine wheel;connecting a shroud arranged in surrounding relation to at least a portion of the turbine wheel to the nozzle ring;connecting the shroud and the nozzle ring to a heat shield;connecting the heat shield to the bearing housing with a plurality of cross key pins, each cross key pin being inserted in a radially extending first passage in the heat shield and a complementary radially extending second passage in the bearing housing, the first passage and first passage being oriented normal to a rotational axis of the turbine wheel and symmetrically arranged in a circular pattern about the rotational axis of the turbine wheel such that the cross key pins force symmetrical thermal expansion of the heat shield, nozzle ring and shroud during operation of the turbocharger; andwherein the connecting a shroud arranged in surrounding relation includes connecting a shroud that is integrally formed with the nozzle ring such that the plurality of vanes extend away from the shroud, wherein the providing a nozzle ring includes providing a nozzle ring where the flow channels defined by the vanes are configured to direct gas tangentially and radially inward toward an inner diameter of the turbine wheel, and the shroud is configured to define a flow path in communication with the gas inlet passage and the flow channels, the flow path extending in a direction parallel to a rotational axis of the turbine wheel, and wherein the connecting a shroud arranged in surrounding relation includes connecting a shroud where the shroud includes a first leg that extends in a radial direction of the turbine wheel and a second leg that extends in the direction parallel to the rotational axis of the turbine wheel and further including providing a first gas seal arranged between the second leg of the shroud and an inside wall of the turbine housing and providing a second gas seal arranged between the heat shield and the bearing housing. 7. The method of claim 6 wherein the connecting a shroud arranged in surrounding relation includes connecting a shroud where the shroud, the nozzle ring and the heat shield are made of the same material.

이 특허에 인용된 특허 (164) 인용/피인용 타임라인 분석

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이 특허를 인용한 특허 (1) 인용/피인용 타임라인 분석

Annati, Richard E.; Frick, Matthew J.; Griffith, Robert, Turbocharger turbine nozzle and containment structure.
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더보기 버튼을 클릭하시면 더 많은 관련자료를 살펴볼 수 있습니다.

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

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 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

연합인증

[미국특허] Turbocharger turbine assembly 원문보기

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활용도 Top5 특허

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[미국특허] Turbocharger turbine assembly 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

전체(0) 논문(0) 특허(0) 보고서(0)

이 특허에 인용된 특허 (164) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (1) 인용/피인용 타임라인 분석

활용도 분석정보

활용도 Top5 특허 더보기

관련 콘텐츠

특허 원문 보기

IPC 상위 출원인

AI-Helper ※ AI-Helper는 오픈소스 모델을 사용합니다.

선택된 텍스트

활용도 Top5 특허