[특허]Exhaust gas sealing system for turbocharger

[미국특허] Exhaust gas sealing system for turbocharger 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02D-023/00 F02B-037/12 F01D-001/00 F16J-015/10 F16J-015/34 F16J-015/38 F16K-031/00
출원번호	US-0960017 (2004-10-08)
우선권정보	JP-2003-349484(2003-10-08)
발명자 / 주소	Ishihara,Hiromitsu Adachi,Kazunari Sakumoto,Takashi Kono,Shinji
출원인 / 주소	Aisin Seiki Kabushiki Kaisha
대리인 / 주소	Reed Smith LLP
인용정보	피인용 횟수 : 10 인용 특허 : 6

초록 ▼

An exhaust gas sealing system for a turbocharger includes a control valve for controlling a flow of an exhaust gas in a turbine housing, a shaft extending to an outside of the turbine housing through a bearing bore provided on the turbine housing, one end of the shaft being fixed to the control valve, and a sealing member for preventing the exhaust gas from leaking to the outside of the turbine housing through a gap formed between the bearing bore and the shaft. The sealing member includes a through-hole forming a gap with the shaft smaller than a gap formed between the bearing bore and the shaft. One side of the sealing member is pressed against a sealing face and is provided within a cavity formed in the turbine housing and including the sealing face on a peripheral side of the shaft.

대표청구항 ▼

The invention claimed is: 1. An exhaust gas sealing system for a turbocharger comprising: a control valve for controlling a flow of an exhaust gas in a turbine housing; a shaft rotatably disposed within a bearing portion formed on the turbine housing and extending to an outside of the turbine housing through the bearing portion, one end of the shaft being fixed to the control valve; a sealing member for sealing the bearing portion and the shaft and including a through-hole through which the shaft loosely extends and forming a gap with the shaft smaller than a gap formed between the bearing portion and the shaft, wherein one side of the sealing member is biased by a biasing member provided on the other side of the sealing member and pressed against a sealing face formed on a side of the bearing portion close to the outside of the turbine housing; and a first bottomed cylinder member including a first bottom portion through which the shaft loosely extends and a first cylinder portion which is formed on an outer periphery of the first bottom portion and accommodates therein a sealing portion at which the sealing member and the sealing face are pressed against each other. 2. An exhaust gas sealing system according to claim 1, further comprising a second bottomed cylinder member provided between the first bottomed cylinder member and the biasing member, and including a second bottom portion through which the shaft loosely extends and a second cylinder portion which is formed on an outer periphery of the second bottom portion and accommodates therein the biasing member. 3. An exhaust gas sealing system according to claim 1, further comprising an arm portion for holding the control valve and disposed between the bearing portion and a bearing portion which supports the one end of the shaft, wherein the movement of the shaft is prohibited in an axial direction thereof.

이 특허에 인용된 특허 (6) 인용/피인용 타임라인 분석

Hartley, John P., Exhaust gas control valve, apparatus and method of controlling exhaust gas flow.
상세보기
Ueda Hironori (Obu JPX) Hanai Kazumichi (Obu JPX) Takeuchi Hitoshi (Obu JPX) Nakamichi Kazutaka (Obu JPX) Kubota Takashi (Obu JPX), Exhaust gas flow control valve for internal combustion engine.
상세보기
Alley David W. (Rte. #1 ; Box 1003 Hemphill TX 75948), Mechanical end face seal.
상세보기
Fukuoka Tatsuhiko (Aichi JPX) Takenaka Akira (Nagoya JPX), Mechanical seals.
상세보기
Sexton Rodney N. (Laguna Hills CA) Woolf Floyd S. (Lake Matthews CA) Ruud Timothy W. (Laguna Hills CA), Rear seal assembly for a chamber holding a partially frozen beverage.
상세보기
Secor Vincent E. (Port Ewen NY), Shaft seal assembly.
상세보기

이 특허를 인용한 특허 (10) 인용/피인용 타임라인 분석

Kennedy, Donald M., Actuation pivot shaft face seal.
상세보기
Iizuka, Kuniaki; Eguchi, Masatoshi; Asada, Yasushi; Kagimoto, Osamu; Takahashi, Masashige; Ohkuma, Hideumi; Suruga, Yohei; Katayama, Suguru; Kitazawa, Toshihiko, Actuator power transmission mechanism and turbocharger.
상세보기
Christmann, Ralf; Zahoransky, Raduz, Control arrangement of an exhaust-gas turbocharger.
상세보기
Yoshimoto, Takashi; Jinnai, Yasuaki; Tojo, Masaki; Hayashi, Noriyuki, Exhaust turbine equipped with exhaust control valve.
상세보기
House, Timothy; Diemer, Paul, Spring biased sealing method for an actuating shaft.
상세보기
Gupta, Suryakant; Mulani, Parikshit I; John, Poomkuzhimannil Zachariah; Surendran, Anish; Gupta, Anish Kumar; Nambi, S Sundaravel; V, Santosh, Suction sealing for turbocharger.
상세보기
Igarashi, Osamu; Yamada, Kazutomo; Kawabata, Kazunori; Kato, Takeyuki; Sumi, Norihiko, Turbocharger.
상세보기
Schoenherr, Werner; Maier, Stephan, Turbocharger.
상세보기
Takahashi, Yukio; Kaneda, Shinichi, Turbocharger.
상세보기
Leavesley, Malcolm George, Turbocharger apparatus having an exhaust gas sealing system for preventing gas leakage from the turbocharger apparatus.
상세보기

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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] Exhaust gas sealing system for turbocharger 원문보기