Internal combustion engine having combustion heater

Details Internal combustion engine having combustion heater Internal combustion engine having combustion heater

F - Mech Eng,Light,Heat,Weapons

02

B

F02B 41/00 (2006.01) F02N 19/02 (2010.01) F01N 5/02 (2006.01) F01P 3/20 (2006.01) F02B 47/08 (2006.01) F02D 21/08 (2006.01) F02D 41/00 (2006.01) F02M 31/04 (2006.01)

Patent

CA 2262128

Disclosed is an internal combustion engine having a combustion heater of a type of introducing a combustion gas into an intake system, in which an air/fuel ratio is prevented from becoming rich, and NOx and particulate matters are to be reduced even when the internal combustion engine is combined with an EGR device. The internal combustion engine has the combustion heater provided in an intake system, for speeding up warm-up of the internal combustion engine and enhancing a performance of a car room heater by guiding the combustion gas emitted from the combustion heater to a mainstream pipe and warming up the cooling water with the combustion heat held by the combustion gas. The internal combustion engine comprises the EGR device and a recirculated exhaust gas quantity control device for controlling a quantity of an EGR gas recirculated by the EGR device according to an introduction quantity of the combustion gas into the mainstream pipe. The EGR device is stopped during operation of the combustion heater.

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