Homelite Technologies Limited

Techtronic Industries Company Limited

John D Sheldon

Nagesh S Mavinahally

Nagesh S Navinahally

A two-stroke internal combustion engine including a cylinder; and a piston movably mounted in the cylinder. The cylinder includes an exhaust port and transfer ports. The transfer ports include a first pair of the transfer ports disposed closer to the exhaust port than a second pair of the transfer ports which are disposed further away from the exhaust port. The first pair of transfer ports are angled relative to each other at a first angle of about 70&#xb0; to about 85&#xb0; and the second pair of transfer ports are angled relative to each other at a second angle of about 120&#xb0; to about 150&#xb0;. Directional discharge of scavenged air out of the transfer portsestablishes a flow path for the scavenged air to minimize losses of the fresh unburned fuel into the exhaust port.

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Anderson, SC, United States of America

John D Sheldon