Patent ID: 7665450

Claim:
An internal combustion engine including a cylinder head with an intake port for use in supplying air or a mixture of fuel and air into a combustion chamber, comprising: a fuel mixing means inserted into the intake port, the fuel mixing means having a stream-disturbing body with a plurality of vanes formed thereon for disturbing a stream passing through the intake port, wherein the fuel mixing means further comprises: a hollow cylindrical support ring fixedly inserted into the intake port; a support rib extending radially inwardly from an inner surface of the support ring; a hub having a through-bore and an outer surface fixed to the support rib such that the through-bore is arranged in the same direction as the hollow of the support ring; and a support shaft inserted and supported in the through-bore of the hub, and wherein the stream-disturbing body is supported by the support shaft, and the plurality of vanes are formed on an outer surface of the stream-disturbing body.