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특허 상세정보

Turbocharged engine using an air bypass valve

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F03B-033/44   
미국특허분류(USC) 060/611; 060/285
출원번호 US-0199319 (2008-08-27)
등록번호 US-8136357 (2012-03-20)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Plumsea Law Group, LLC
인용정보 피인용 횟수 : 0  인용 특허 : 19
초록

A system to cool exhaust gas entering a catalytic converter in a turbocharged engine is disclosed. An air bypass valve is controlled to vent pressurized air to the atmosphere to overrev a turbocharger when exhaust gas exceeds a predetermined temperature. The rotation of the turbocharger increases to maintain a desired boost pressure. When this occurs, the turbocharger absorbs more energy from the exhaust gas to maintain the desired boost pressure. Thus, the exhaust gas entering the catalytic converter is cooled.

대표
청구항

1. A turbocharged engine system, comprising: an engine;an air inlet to provide air to the engine;an air bypass valve that vents air from the air inlet directly to the atmosphere;a turbocharger disposed in the air inlet;a catalytic converter located downstream of the engine;an air bypass valve controller to open the air bypass valve when an exhaust gas temperature from the engine entering the catalytic converter exceeds a predetermined temperature; andwherein the turbocharger is configured to rotate faster to maintain air pressure when opening the air byp...

이 특허에 인용된 특허 (19)

  1. Moraal Paul Eduard,DEX ; Carberry Brendan Patrick,DEX. Automotive engine with controlled exhaust temperature and oxygen concentration. USP2001086276139.
  2. Fenelon Thomas R. ; Hercey Robert L. ; Hill Gerald A.. Compressor by-pass and valving for a turbocharger. USP1998035724813.
  3. Jinhui Sun ; Xinqun Gui ; Terry G. Wood ; Steven T. Omachi. Control strategy for turbocharged engine having variable valve actuation apparatus. USP2002086434938.
  4. Ellmer, Dietmar; Neugartner, Jorg. Device and method for the heating of a catalytic converter for a supercharged internal combustion engine. USP2003106637204.
  5. Moorman James W. (Inkster MI). Engine secondary air flow control system. USP1976113992878.
  6. Boley,William Christopher; Boyer,Gary Nelson. Engine turbocharger control management system. USP2006016990814.
  7. Chamoto, Tetsuo; Terada, Mikio. Exhaust emission control device. USP2005026851256.
  8. Hirota, Shinya; Tanaka, Toshiaki; Itoh, Kazuhiro; Nakatani, Koichiro; Kimura, Koichi; Asanuma, Takamitsu. Exhaust gas purification device. USP2003046546721.
  9. Albert Fahringer AT; Bernd Lutz AT; Peter Skorjanz AT. Internal combustion engine. USP2002106457312.
  10. Makoto Suzuki JP; Hideo Kobayashi JP; Shinya Hirota JP; Toshiaki Tanaka JP; Kotaro Hayashi JP. Internal combustion engine having lean NOx catalyst. USP2002046370871.
  11. Roberts, Jr.,Charles E.; Roecker,Ryan C.. Method for controlling boost pressure in a turbocharged diesel engine. USP2006037010914.
  12. Bolton,Brian Kenneth; Sisken,Kevin Dean; Grosmougin,Anne Lise. Method for controlling engine air/fuel ratio. USP2006077080511.
  13. Cholvin Robert L. (Santa Monica CA) McInerney Charles E. (Rolling Hills Estates CA) Nancarrow James N. (Torrance CA) Gantz Jack L. (Marina Del Ray CA). Supercharged diesel engine air flow control system. USP1984124489702.
  14. Schorn,Norbert Andreas; Kindl,Helmut Matthias; Spaeder,Uwe; Stalman,Rob. Supercharged internal combustion engine. USP2008097426830.
  15. Ikebe Hidehito (Wako JPX) Sugino Takuya (Wako JPX) Nakajima Susumu (Wako JPX) Kinoshita Kenichiro (Wako JPX) Takahashi Nobu (Wako JPX). Supercharging pressure control system for supercharged internal combustion engines. USP1994035297532.
  16. Gallagher Shawn Michael ; Khalil Ihab ; Glenn Doug ; Alvarez Juan Carlos. Turbo-charged engine combustion chamber pressure protection apparatus and method. USP2001106295816.
  17. Tadokoro Tomoo (Hiroshima JPX) Nakao Masami (Hiroshima JPX) Okimoto Haruo (Hiroshima JPX) Iwaki Masato (Hiroshima JPX). Turbocharger bypass control for internal combustion engines. USP1984074459809.
  18. Zimmer Michael T. ; Kakoczki Richard J. ; Davis James A. ; Pratt Jerrold A. ; Reinbold Edward O.. Turbocharger control management system. USP2000106134888.
  19. Woollenweber William E. ; Halimi Edward M.. Turbocharging systems for internal combustion engines. USP2000056062026.

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