Patent ID: 9175635
Filing Date: 2015-11-03
Classification: F01L,F02B,F02F

Abstract:
1. A two-stroke spark-ignition engine with through scavenging, comprising: an engine cylinder having a cylinder perimeter and exhaust valves; an injection nozzle; a storage space with pressurized air; a cylinder head; a sparking plug in the cylinder head; and a bushing having a perimeter, wherein the bushing is rotatably mounted on an outside of the engine cylinder and provided with throttle openings on a perimeter of the bushing and wherein a plurality of inlet openings are arranged on the cylinder perimeter in a plurality of vertically spaced rows arranged one over the other and including at least a top row and a bottom row, and wherein the bushing is rotatably adjustably mounted on the engine cylinder wherein by rotary adjustment of the bushing, the inlet openings of the bottom row are the first of said plurality of rows to be opened and the inlet openings of the top row are the last to be opened for enabling passage of pressurized air from the storage space into the compression space of the engine cylinder, wherein the inlet openings are circular and the throttle openings have a triangular shape.