Patent ID: 6460524
Filing Date: 2002-10-08
Classification: F01M

Abstract:
A blow-by gas separator comprising:a separator unit mounted on a front end surface of a cylinder block, said separator unit having accommodation space for accommodating a drive mechanism that transmits the driving force of the crank shaft of an engine to a driven shaft; wherein: said separator unit is provided with a blow-by gas passage chamber formed along the outer peripheral edge of an upper part of the accommodation space, and has formed therein a blow-by gas flow-in port and a blow-by gas flow-out port which are opened in said blow-by gas passage chamber, wherein: said separator unit comprises a frame member, including the accommodation space and a frame member recessed portion, and a cover member, mounted on said recessed portion of said frame member and having a cover member recessed portion which cooperates with said frame member recessed portion to form said blow-by gas passage chamber; a partitioning plate having a passage port is disposed between said frame member and said cover member to partition said blow-by gas passage chamber into a blow-by gas flow-in chamber and a blow-by gas flow-out chamber, said passage port communicates said blow-by gas flow-in chamber with said blow-by gas flow-out chamber, a blow-by gas flow-in port is opened in said blow-by gas flow-in chamber, and a blow-by gas flow-out port is opened in said blow-by gas flow-out chamber.