Patent ID: 6152093
Filing Date: 2000-11-28
Classification: F02B,F02F,Y02T

Abstract:
A cylinder block which is suitable for use in a stratified scavenging two-cycle engine, wherein:said cylinder block has a cylinder chamber formed therein;a sidewall of said cylinder block has an exhaust port and at least two scavenging ports formed therein;said sidewall of said cylinder block has at least two vertical scavenging flow passage segments formed therein;said sidewall of said cylinder block has at least two horizontal scavenging flow passage segments cut therein with each horizontal scavenging flow passage segment connecting an upper end portion of a respective vertical scavenging flow passage segment and a respective scavenging port; andsaid sidewall of said cylinder block has at least two recesses formed in an exterior surface of said sidewall, with each recess being an extension of a respective horizontal scavenging flow passage segment toward an outside of said cylinder block.