Cylinder for a two cycle engine

Details Cylinder for a two cycle engine Cylinder for a two cycle engine

1986-06-27

1988-03-15

Garrett, Robert E.

Motors: expansible chamber type

Fluid supply through diverse paths to single expansible chamber

Position responsive

91402, 92169, 291564R, 51290, F15B 1522, F01B 1102

Patent

active

047305401

ABSTRACT:
The cylinder for a two cycle engine includes at least a port opened and closed by a piston in the cylinder the port being divided into a plurality of port portions by a rib extending longitudinally of the cylinder. The inner surface of the cylinder is formed with elongated concave recesses at the respective ends of the rib extending in the direction of extension thereof for regulating the pressing force per unit area of honing process. Each of the concave recesses has preferably substantially the same width as the width of the rib and the sum of the lengths of the concave recesses is preferably substantially the same as the length of the port.

REFERENCES:
patent: Re18644 (1932-11-01), Yount
patent: 755324 (1904-03-01), Soley
patent: 4196547 (1980-04-01), Keske
"Cylinder Boring, Honing, and Wall Finishing", Brush Research Manufacturing Co.

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