Air intake apparatus of internal combustion engine

Abstract

An air intake apparatus of an internal combustion engine includes a port portion into which fuel injected form an injection opening of an injector is introduced, an intake passage provided at an inner side of the port portion to flow an air-fuel mixture including the fuel and air, the air-fuel mixture being supplied to a cylinder provided at the internal combustion engine, and a port heater provided along an inner surface of the port portion to vaporize the fuel introduced into the intake passage. The port heater includes regions with different heat generation amounts from each other in accordance with a distribution of an adhesion amount of the fuel injected from the injection opening of the injector to the inner surface of the port portion.

Dependencies are inferred from the claim text.