Direct-injection gasoline engine

Abstract

A direct-injection gasoline engine comprising: a cylinder block; a crank case, mounted in the lower part of the cylinder block; a cylinder head, mounted to the top of the cylinder block; head covers, formed to the top of the cylinder head; a crank shaft formed in a crank chamber, formed between the cylinder block and the crank case; a piston formed in the cylinder block, with an eddy-current producing part in its upper surface; a connecting rod 4, the ends of which connect the piston and crank shaft and converts the alternating motion of the piston into a rotating motion; an ignition plug, formed in the middle of the cylinder head; a fuel injector, which sprays fuel into a combustion chamber; an exhaust port, formed on the other side of the cylinder head; an exhaust valve, for opening and closing the exhaust port; a suction port, formed on one side of the cylinder head; a suction valve, which opens and closes the suction port; a pair of cam shafts, each installed in the head covers for operating the suction valve and exhaust valve; and a surge tank, directly connected to the suction port and mounted to the central part of the head covers.

Dependencies are inferred from the claim text.