Patent ID: 6581563
Filing Date: 2003-06-24
Classification: F01M,F02B,F02F

Abstract:
An internal combustion engine comprising:a cylinder block having a cylinder formed therein; a piston reciprocally moveable within said cylinder; a combustion chamber formed at one end of said cylinder; a chamber portion; a communication passage having a first end opening to said cylinder and a second end opening to said chamber portion, said first end opening to said cylinder along a width; a control valve provided in said communication passage for controlling an opening and closing of said communication passage; a scavenging passage opening to said cylinder at a position below said first end of said communication passage; and a lubricating oil supply for providing oil to said cylinder, said lubricating oil supply feeding oil to a first hole provided in a wall of said cylinder, wherein said first hole is one hole positioned below said first end of said communication passage and below said opening of said scavenging passage into said cylinder, when taken in a reciprocal travel direction of said piston, and wherein said first hole is located below and within said width of said first end of communication passage.