Patent ID: 6832475
Filing Date: 2004-12-21
Classification: B60K,F01K,F01N,Y02T

Abstract:
A combustion gas purification system wherein a catalytic system that purifies a combustion gas is disposed in an exhaust passage guiding the combustion gas from a combustion system, and at least one part of the catalytic system is provided with temperature adjustment means for adjusting the temperature thereof, wherein the temperature adjustment means has a heat transfer tube through which an operating medium flows and the at least one part of the catalytic system has a catalyst support which is placed in direct contact and integrated with the heat transfer tube of the temperature adjustment means, and the heat transfer tube and the catalyst support are brought into direct contact with the combustion gas at a same position along a flow of the combustion gas, whereby the temperature adjustment means operates to recover thermal energy of the combustion gas and the operation of the temperature adjustment means depends on a temperature condition of the operating medium.