Patent ID: 6119640
Filing Date: 2000-09-19
Classification: F01L,F02B,Y02T

Abstract:
An internal combustion engine with a sequential operating cycle, comprising:a crankcase with a shaft installed therein,at least one cylinder connected to the crankcase and enclosing a piston with a pin linked to the shaft through a connecting rod, the cylinder having at least a pair of opposite ports, each port being connected with a passage,a slide valve mounted within each passage to alternatively connect the passage with an inlet pipe and an exhaust pipe,wherein the slide valves are disposed at opposite ends of the shaft, the cylinder has scavenging ports, and the crankcase defines a crank chamber communicating with the scavenging ports through scavenging passages and connected to the inlet pipe through the slide valve, and whereby the passage and the port are uncovered by a lower edge of the piston as the piston ascends the cylinder.