【発明の名称】内燃機関の排気浄化装置

Title:

【発明の名称】内燃機関の排気浄化装置

Document Type and Number:

Japanese Patent JP3350673

Kind Code:

B2

Abstract:

An exhaust emission control device capable of reducing the effect of air pollutants such as nitrogen oxides, carbon monoxide, hydrocarbon, and particulates thereon and, particularly, having a sufficient effect on the reduction of the air pollutants exhausted from an unmodified internal combustion engine proper, wherein a muffling chamber (20) having a muffling effect forming a first venturi means having a first conical venturi (22) and allowing a first stage streamlining and thermal expansion and changing the exhaust gas streamlined at the first stage into a non-streamlined flow, a streamlining chamber (30) as a second venturi means having a center-restricted venturi (32) and allowing a second stage streamlining and thermal expansion, and a heating expansion chamber (40) as a third venturi means having a second conical venturi (42) and a reverse conical venturi (43) and causing a thermal change are stored in an outer box (10).

Inventors:

Michiji Ono

Application Number:

JP2001009918A

Publication Date:

November 25, 2002

Filing Date:

January 18, 2001

Export Citation:

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