Secondary air supplying apparatus for internal combustion engine

Details Secondary air supplying apparatus for internal combustion engine Secondary air supplying apparatus for internal combustion engine

1994-03-04

1997-09-16

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

60289, 60300, 219205, 219548, 392481, 392485, 392498, F01N 330

Patent

active

056668040

ABSTRACT:
A secondary air supplying apparatus for an internal combustion engine and a gas heating apparatus are provided to enable high-performance exhaust gas purification in a catalytic apparatus of the internal combustion engine, in particular, even at a low-temperature starting time. A secondary air supplying apparatus supplies secondary air to the catalytic apparatus through a secondary air introducing path for communicating the intake side of the internal combustion engine with an exhaust manifold. In the apparatus, a gas heating apparatus having an exothermic body is provided for the secondary air introducing path.

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patent: 5519191 (1996-05-01), Ketcham

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