In order the blow-by gas and the purge gas treatment equipment null inspired air volume in

摘要

PROBLEM TO BE SOLVED: To lead blow-by gas and purge gas to an intake system in a variable valve engine wherein an intake valve controlled to open/close to adjust an intake quantity is disposed at a cylinder head of an engine body and the intake system without a throttle valve is connected to the cylinder head.;SOLUTION: Blow-by gas sucked from a crankcase 7 of the engine body 5 is force-fed to the intake system 9 side by a first pump 32, and purge gas from a canister 42 is mixed into the blow-by gas force-fed by the first pump 32, by a second pump 41.;COPYRIGHT: (C)2006,JPO&NCIPI