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Method and apparatus for providing diluted gas to exhaust emission analyzer 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01N-001/14
출원번호 US-0536401 (1995-09-29)
발명자 / 주소
  • Harvey R. Neal
  • Dageforde Allen F.
출원인 / 주소
  • Horiba Instruments Inc.
대리인 / 주소
    Brooks & Kushman P.C.
인용정보 피인용 횟수 : 36  인용 특허 : 0

초록

An apparatus and method are adapted for analyzing exhaust emissions by using a small fraction of a continuously-extracted exhaust sample combined with a pollutant-free diluent through a system of critical flow orifices at a predetermined and precisely controlled flow ratio. A small quantity of gas i

대표청구항

[ What is claimed is:] [12.] A method for preparing a sample of exhaust gas from the exhaust system of an engine for analysis by an exhaust emission analyzer, said method including the steps of:extracting an exhaust gas sample from the exhaust system of an engine and passing said exhaust gas sample

이 특허를 인용한 특허 (36)

  1. Nevius,Timothy A., Acoustic flowmeter calibration method.
  2. Hill,James A., Acoustic transducer.
  3. Hill,James A., Acoustic transducer.
  4. John F. Foss, Apparatus and method for measuring infiltration flow rate.
  5. Wei, Qiang; Abdul-Khalek, Imad Said, Apparatus and methods for determination of total and solid carbon content of engine exhaust.
  6. Bornemann Torsten,DEX, Apparatus and process for the analysis of exhaust gas components.
  7. Silvis, William Martin; Williamson, James Patrick, CVS system sample water vapor management.
  8. Guenther, Mark T.; Carpenter, Daniel D.; Zablocki, Jarret D.; Schmidt, Fredric C.; Rooney, Richard Thomas; Nevius, Timothy Alfred; Porter, Scott Thomas; Hill, Leslie, Emissions test system and method.
  9. Guenther, Mark; Carpenter, Dan; Zablocki, Jarret; Schmidt, Fredric; Rooney, Richard Thomas; Nevius, Timothy Alfred; Porter, Scott Thomas; Hill, Leslie, Emissions test system and method.
  10. Dickson,Richard R.; Graze, Jr.,Russell R., Exhaust gas particulate measuring system.
  11. Hanashiro Noriyuki,JPX ; Shibata Atsushi,JPX ; Sasaki Kyoshuke,JPX ; Matsuyama Mamoru,JPX ; Obara Keisuki,JPX ; Yanagihara Shigeru,JPX ; Yamawaki Shuta,JPX, Exhaust gas sampling apparatus.
  12. Story, Dwight Eric, Exhaust system integrity tester.
  13. Hirai Hitoshi,JPX ; Miyai Masaru,JPX, Gas analyzer and method for detecting NO.sub.x.
  14. Sasaki, Takashi; Suzuki, Akihiro; Saito, Takashi; Oishi, Hidetoshi, Gas sensor, gas sensor system, and controlling method thereof.
  15. McDonald, Joseph Fitzgerald; Silvis, William Martin; Kreft, Norbert; Marek, Gerald, Heated stainless steel emissions canister.
  16. Eskin, Leo D.; Roby, Richard J.; Klassen, Michael S.; Ramotowski, Michael J., Integrated system and method for production and vaporization of liquid hydrocarbon fuels for combustion.
  17. Ramotowski, Michael J.; Joklik, Richard; Fuller, Casey; Gokulakrishnan, Ponnuthurai; Eskin, Leo; Gaines, Glenn; Roby, Richard J.; Klassen, Michael S., Method and apparatus for conditioning liquid hydrocarbon fuels.
  18. Ramotowski, Michael J.; Joklik, Richard; Fuller, Casey; Gokulakrishnan, Ponnuthurai; Eskin, Leo; Gaines, Glenn; Roby, Richard J.; Klassen, Michael S., Method and apparatus for conditioning liquid hydrocarbon fuels.
  19. Harvey R. Neal ; Dageforde Allen F., Method and apparatus for providing diluent gas to exhaust emission analyzer.
  20. Cocconi Alan G., Method and apparatus for vehicle exhaust gas pollutant mass flow measurement.
  21. Muench Reinhold,DEX, Method and device for determining the concentration of a substance in a gaseous medium.
  22. Dickson, Richard R.; Graze, Jr., Russell R., Method for controlling dilution air.
  23. Nakatani, Shigeru; Kato, Yoshinori; Yamauchi, Tomomi; Iida, Yoshitaka; Koshikawa, Masato, Method for refining dilution air and dilution air refinery.
  24. Silvis, William M., Mixing system and method.
  25. Graze, Jr.,Russell Robert, Particulate sampling system and method.
  26. Graze, Jr.,Russell Robert; Randall,Jerry Kirk, Particulate sampling system having flow check device.
  27. Staphanos, Stephen, Process analytic system with improved sample handling system.
  28. Leo Alphonse Gerard Breton, Real-time exhaust gas modular flowmeter and emissions reporting system for mobile apparatus.
  29. Breton Leo Alphonse Gerard, Real-time on-road vehicle exhaust gas modular flowmeter and emissions reporting system.
  30. Leo Alphonse Gerard Breton, Real-time on-road vehicle exhaust gas modular flowmeter and emissions reporting system.
  31. Wei,Qiang; Asano,Ichiro, Sampler for engine exhaust dilution.
  32. Wei, Qiang; Porter, Scott T.; Asano, Ichiro; Rahman, Montajir M D.; Kusaka, Takeshi, Solid particle counting system with valve to allow reduction of pressure pulse at particle counter when vacuum pump is started.
  33. Mathews Loren T. ; White David B. ; Whineray David R., System for mass emission sampling of combustion products.
  34. Roby, Richard J.; Klassen, Michael S.; Schemel, Christopher F., System for vaporization of liquid fuels for combustion and method of use.
  35. Wei,Qiang; Asano,Ichiro, Wide range constant concentration particle generating system.
  36. Wei,Qiang; Asano,Ichiro, Wide range continuous diluter.
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