| 摘要 |
<p>PURPOSE:To obtain a catalytically active state by a reduced quantity of power in a metal carrier catalyst for purifying exhaust gas, by providing a device supplying a current to a metal carrier and providing a part where the resistance of the current supply route of the metal carrier becomes locally large on the inflow side of exhaust gas. CONSTITUTION:In a metal carrier catalyst for purifying exhaust gas consisting of a metal carrier composed of an outer cylinder 3 in which a honeycomb body 1 constituted of metal foil is inserted, the catalyst support layer formed to the surface of said carrier and the catalyst metal supported on the catalyst support layer, a device consisting of a power supply 4 supplying a current to the metal carrier and a lead is provided and a part where the resistance of the current supply route of the metal carrier becomes locally large is provided on the inflow side of exhaust gas. Since heat generation is concentrated and large heat value is obtained by increasing local resistance, a part reaching active temp. at an early state is generated. The exhaust gas passes through said and the heat exchange with the exhaust gas is generated to heat the whole of the catalyst.</p> |
