| 摘要 |
PURPOSE: To provide a filter or a catalyst improved in the removal efficiency of harmful constituents from exhaust gas, especially its temp. characteristic. CONSTITUTION: This filter or catalytic converter unit 1 for removing harmful constituents from the exhaust engine gas of an internal combustion engine is provided with a feed duct 6 to the filter or catalytic converter unit 1 made from metal wires, through which the exhaust gas is conveyed, made from compression-molded wires or fibers as a tangled mass, braiding, knitted fabric or woven cloth or in powder, granular or chip form, and with a delivery duct 7 for the exhaust gas purified by the filter or catalytic converter unit 1. The filter or catalytic converter unit 1 is also constructed as a heat exchanger unit 8 for the exhaust gas to be cleaned. |
