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특허 상세정보

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내보내기 페이스북 공유 카카오톡 공유

Exhaust gas cleaner and method for cleaning exhaust gas

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-053/34   
미국특허분류(USC) 422/177 ; 422/171 ; 502/439 ; 502/330 ; 502/331 ; 502/344 ; 502/345 ; 502/347
출원번호 US-0883082 (1997-06-26)
우선권정보 JP-0317633 (1994-11-28)
발명자 / 주소
  • Miyadera Tatsuo,JPX
  • Yoshida Kiyohide,JPX
  • Saito Mika,JPX
  • Irite Naoko,JPX
  • Abe Akira,JPX
  • Furuyama Masataka,JPX
출원인 / 주소
  • Kabushiki Kaisha Riken, JPX
대리인 / 주소
    Browdy and Neimark
인용정보 피인용 횟수 : 36  인용 특허 : 8
초록
▼

An exhaust gas cleaner is constituted of an Ag catalyst carrying an Ag component and a base metal catalyst carrying a Cu component and optionally W, V, Mo components, and a noble metal catalyst carrying a noble metal component. The base metal catalyst and the noble metal catalyst may be physically mixed to form a mixed catalyst. Another exhaust gas cleaner is constituted of the first Ag catalyst carrying an Ag component, the second Ag catalyst carrying an Ag component, a base metal catalyst carrying a Cu component and optionally W, V, Mo components, and ...

대표
청구항
▼

[ What is claimed is:] [1.] An exhaust gas cleaner for removing nitrogen oxides by reduction from an exhaust gas containing nitrogen oxides and oxygen in an amount larger than its stoichiometric amount relative to unburned components in said exhaust gas, wherein said exhaust gas cleaner consists essentially of:(a) a silver catalyst consisting essentially of a first porous inorganic oxide supporting 0.2-15 weight % of at least one silver component selected from the group consisting of silver and compounds of silver;(b) a base metal catalyst consisting ess...

인용문헌 (8)

  1. Mizuno Tatsuji (Toyota JPX) Takeshima Shinichi (Susono JPX) Sekizawa Kazuhiko (Shinnanyo JPX) Kasahara Senshi (Shinnanyo JPX), Catalyst for purifying exhaust gas.
  2. Yoshida Kiyohide (Kumagaya JPX) Muramatsu Gyo (Kumagaya JPX) Abe Akira (Kumagaya JPX) Irite Naoko (Kumagaya JPX), Exhaust gas cleaner and method for cleaning same.
  3. Yoshida Kiyohide (Kumagaya JPX) Muramatsu Gyo (Kumagaya JPX) Abe Akira (Kumagaya JPX) Irite Naoko (Kumagaya JPX), Exhaust gas cleaner and method for cleaning same.
  4. Yoshida Kiyohide (Kumagaya JPX) Muramatsu Gyo (Kumagaya JPX) Abe Akira (Kumagaya JPX) Irite Naoko (Kumagaya JPX), Exhaust gas cleaner and method for cleaning same.
  5. Yoshida Kiyohide (Kumagaya JPX) Muramatsu Gyo (Kumagaya JPX) Abe Akira (Kumagaya JPX) Irite Naoko (Kumagaya JPX), Exhaust gas cleaner and method for cleaning same.
  6. Muramatsu Gyo (Kumagaya JPX) Yoshida Kiyohide (Kumagaya JPX) Sumiya Satoshi (Kumagaya JPX) Abe Akira (Kumagaya JPX), Exhaust gas cleaner and method of cleaning exhaust gas catalyst for cleaning exhaust gas.
  7. Yoshida Kiyohide (Kumagaya JPX) Muramatsu Gyo (Kumagaya JPX) Abe Akira (Kumagaya JPX) Miyadera Tatsuo (Tsukuba JPX), Method of cleaning an exhaust gas and exhaust gas cleaner therefor.
  8. Kintaichi Yoshiaki (Ibaraki JPX) Hamada Hideaki (Ibaraki JPX) Ito Takehiko (Ibaraki JPX) Sasaki Motoi (Ibaraki JPX) Suganuma Fujio (Saitama JPX) Tabata Mitsunori (Saitama JPX) Kitazume Akihiro (Saita, Process for removing nitrogen oxides from exhaust gases.

이 특허를 인용한 특허 (36)

  1. Park, Sang-cheol, Catalyst and method for purifying exhaust gas from vehicle engines.
  2. Malyala, Rajashekharam V.; Golden, Stephen J., Catalyst and method for reducing nitrogen oxides in exhaust streams with hydrocarbons or alcohols.
  3. Cavataio, Giovanni; Jen, Hungwen; Warner, James Robert; Girard, James W.; Lambert, Christine Kay, Catalyst assembly for treating engine exhaust.
  4. Klein, Harald; Neuhausen, Ulrich; Lox, Egbert; Gieshoff, Jürgen; Kreuzer, Thomas, Catalyst featuring silicone dioxide based support material for the purification of exhaust gases.
  5. Yeung, King Lun; Yao, Nan; Ho, Ka Yee, Catalytic material and method of production thereof.
  6. Lampert Jordan K. ; Deeba Michel ; Farrauto Robert J., Catalyzed hydrocarbon trap material and method of making the same.
  7. Endo, Kiyomu, Diesel particulate removing apparatus.
  8. Shimoda, Kouhei; Nakagama, Syoji; Ihara, Tomohiko, Exhaust emission control device and method of manufacturing the same.
  9. Bisaiji, Yuki, Exhaust purification system of internal combustion engine.
  10. Bisaiji, Yuki; Mori, Toshihiro, Exhaust purification system of internal combustion engine.
  11. Bisaiji, Yuki; Yoshida, Kohei; Inoue, Mikio, Exhaust purification system of internal combustion engine.
  12. Bisaiji, Yuki; Yoshida, Kohei; Inoue, Mikio, Exhaust purification system of internal combustion engine.
  13. Bisaiji, Yuki; Yoshida, Kohei; Inoue, Mikio, Exhaust purification system of internal combustion engine.
  14. Bisaiji, Yuki; Yoshida, Kohei; Inoue, Mikio, Exhaust purification system of internal combustion engine.
  15. Bisaiji, Yuki; Yoshida, Kohei; Inoue, Mikio, Exhaust purification system of internal combustion engine.
  16. Bisaiji, Yuki; Yoshida, Kohei; Inoue, Mikio; Umemoto, Kazuhiro, Exhaust purification system of internal combustion engine.
  17. Inoue, Mikio; Yoshida, Kohei; Bisaiji, Yuki; Umemoto, Kazuhiro, Exhaust purification system of internal combustion engine.
  18. Inoue, Mikio; Yoshida, Kohei; Bisaiji, Yuki; Umemoto, Kazuhiro, Exhaust purification system of internal combustion engine.
  19. Inoue, Mikio; Yoshida, Kohei; Bisaiji, Yuki; Umemoto, Kazuhiro; Iida, Masahide, Exhaust purification system of internal combustion engine.
  20. Nishioka, Hiromasa; Yoshida, Kohei; Tsukamoto, Yoshihisa; Bisaiji, Yuki; Matsuo, Junichi; Asanuma, Takamitsu, Exhaust purification system of internal combustion engine.
  21. Tsukamoto, Yoshihisa; Nishioka, Hiromasa; Yoshida, Kohei; Bisaiji, Yuki; Matsuo, Junichi; Asanuma, Takamitsu, Exhaust purification system of internal combustion engine.
  22. Uenishi, Toru; Inoue, Mikio; Yoshida, Kohei, Exhaust purification system of internal combustion engine.
  23. Umemoto, Kazuhiro; Inoue, Mikio, Exhaust purification system of internal combustion engine.
  24. Umemoto, Kazuhiro; Yoshida, Kohei; Inoue, Mikio, Exhaust purification system of internal combustion engine.
  25. Umemoto, Kazuhiro; Yoshida, Kohei; Inoue, Mikio, Exhaust purification system of internal combustion engine.
  26. Umemoto, Kazuhiro; Yoshida, Kohei; Inoue, Mikio, Exhaust purification system of internal combustion engine.
  27. Umemoto, Kazuhiro; Yoshida, Kohei; Inoue, Mikio; Bisaiji, Yuki, Exhaust purification system of internal combustion engine.
  28. Watanabe, Masao; Hayashi, Koutarou; Yoshida, Kohei; Bisaiji, Yuki; Umemoto, Kazuhiro, Exhaust purification system of internal combustion engine.
  29. Watanabe, Masao; Hayashi, Koutarou; Yoshida, Kohei; Bisaiji, Yuki; Umemoto, Kazuhiro, Exhaust purification system of internal combustion engine.
  30. Ragle, Christie Susan; Silver, Ronald G.; Zemskova, Svetlana Mikhailovna; Eckstein, Colleen J., Exhaust system having a gold-platinum group metal catalyst.
  31. Socha, Richard F.; Vartuli, James C.; El-Malki, El-Mekki; Kalyanaraman, Mohan; Park, Paul W., Method and apparatus for combination catalyst for reduction of NOin combustion products.
  32. Matros Yurii Sh. ; Bunimovich Grigori A. ; Strots Vadim O., Method and apparatus for emission control.
  33. Cavataio, Giovanni; Jen, Hungwen; Warner, James Robert; Girard, James W.; Lambert, Christine Kay, Methods for treating engine exhaust.
  34. Kalyanaraman, Mohan; Park, Paul W.; Ragle, Christie S., Reformer assisted lean NOcatalyst aftertreatment system and method.
  35. Rinaldi, Fabrizio C.; Yang, Ralph T.; Qi, Gongshin, Selective catalyst reduction of nitrogen oxides with hydrogen.
  36. Andorf Renato,DEX ; Plog Carsten,DEX ; Schaeffner Guido,DEX, Solid for storing/releasing nitrogen oxides as well as nitrogen oxide storage catalyst.

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