Intake air heating device for use in internal combustion engine

摘要

This invention relates to an intake air heating device in an internal combustion engine. The intake air heating device comprises means for guiding flames from a flame holding or baffle cylinder to an intake pipe, the aforesaid means being attached to one end of the flame baffle cylinder integrally secured to the body proper of the intake air heating device and projecting into the interior of an elbow portion of the intake pipe, or secured to the inner wall of the elbow portion of the intake pipe which faces said one end of the flame baffle cylinder, so that the intake air heating device may fulfill the intake-air heating function when mounted on the elbow portion of the intake pipe connecting an air cleaner with an engine.