Patent ID: 6659064
Filing Date: 2003-12-09
Classification: F01M

Abstract:
A compact four-cycle internal combustion engine (100) comprising a cylinder (12) which is closed on the top by a cylinder head (2) and which changes below into a crankcase (1) in the cylinder (12) a piston (11) moving up and down, in the cylinder head (2) an intake port (14) with an admission valve (4) and an exhaust conduit (15) with an exhaust valve (5), a carburetor (8) for forming an oil-fuel-air mixture lubricating the engine, as well as means (3, 6, 13) by which a mixture is transported within each engine cycle from the carburetor (8) into the crank chamber (10) closed by the crankcase (1) and from the crank chamber (10) into the intake port (14), characterized in that the carburetor (8) is connected outside the crank chamber (10) with the intake port (14).