US2007006578A1PendingUtilityA1

Apparatus for removing particulate matter

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Assignee: HONDA MOTOR CO LTDPriority: Jul 7, 2005Filed: Jul 3, 2006Published: Jan 11, 2007
Est. expiryJul 7, 2025(expired)· nominal 20-yr term from priority
Inventors:Kiyoshi TanaamiTakahiro Naka
C01P 2002/34B01J 2523/00B01J 23/6562F01N 2330/06B01D 53/944B01J 23/83B01D 2255/1023C01G 51/70F01N 3/022B01J 23/34C01G 1/02B01D 2255/402Y02T10/12C01G 45/1264B01J 23/894B01D 2255/1021B01J 23/002F01N 2510/065B01D 53/945
47
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Claims

Abstract

An apparatus for removing particulate matter is provided which is able to lower a temperature to burn particulate matter. The apparatus for removing particulate matter burns and removes the particulate matter emitted from an internal combustion engine, and comprises a perovskite-type complex oxide which is represented by the general formula ABO 3 where B is a metal having a valence of +3 or more. The metal having a valence of +3 or more for B of the general formula comprises at least one metal selected from the group consisting of Ti, Zr, Hf, V, Cr, Mo, W, Mn, Fe, Ru, Co, Ni, Cu, Ag, and Au. The perovskite-type complex oxide comprises at least one complex oxide selected from the group consisting of LaMn(III)O 3 , LaSrMn(III)O 3 , and LaCo(III)O 3 . The perovskite-type complex oxide supports Pt or Pd.

Claims

exact text as granted — not AI-modified
1 . An apparatus for removing particulate matter which burns and removes particulate matter emitted from an internal combustion engine, comprising: 
 a perovskite-type complex oxide which is represented by the general formula ABO 3  where B is a metal having a valence of +3 or more.    
   
   
       2 . The apparatus for removing particulate matter according to  claim 1 , wherein the metal having a valence of +3 or more for B of the general formula comprises at least one metal selected from the group consisting of Ti, Zr, Hf, V, Cr, Mo, W, Mn, Fe, Ru, Co, Ni, Cu, Ag, and Au.  
   
   
       3 . The apparatus for removing particulate matter according to  claim 1 , wherein the perovskite-type complex oxide comprises at least one complex oxide selected from the group consisting of LaMn(III)O 3 , LaSrMn(III)O 3 , and LaCo(III)O 3 .  
   
   
       4 . The apparatus for removing particulate matter according to  claim 1 , wherein the perovskite-type complex oxide supports Pt or Pd.

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