Exhaust gas e.g. carbon-di-oxide, filtering device for motor vehicle, has flexible or rigid sheath assuring cooling of aspirated unburned gas in pipe of exhaust box during transfer of gas to air inlet of carburetor

摘要

The device has a flexible or rigid sheath (3) made of heat conducting material assuring cooling of aspirated unburned gas in a pipe of exhaust box (2) during the transfer of the gas to an air inlet of carburetor by a filtration system.