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Catalytic combustion engine exhaust gas purifier with additional air supply

  • US 5,590,522 A
  • Filed: 01/31/1995
  • Issued: 01/07/1997
  • Est. Priority Date: 05/25/1992
  • Status: Expired due to Term
First Claim
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1. In a catalytic combustion engine exhaust gas purifier with additional air supply having a housing structure accommodating an exhaust gas inlet, at least one catalyst element, laminarizing means for laminarizing flow of the exhaust gas in first direction, means for dividing the housing structure into several chambers, and an exhaust gas outlet, the improvement comprising:

  • means for supplying additional air into the housing structure in a second flow direction, andat least one suction plate in the housing structure after the laminarizing means in the first direction of the exhaust gas flow and in the vicinity of the means for supplying the additional air, the suction plate having an exhaust gas port and an additional air port, and being arranged across the first and second directions of the exhaust gas and additional air flows so that the additional air is sucked through the additional air port and from the suction plate into the exhaust gas flow through the exhaust gas port.

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