Title:
SUBSCANNING PORT OF TWO-CYCLE ENGINE
Document Type and Number:
Japanese Patent JPH0544572
Kind Code:
A
Abstract:
PURPOSE: To improve durability by preventing the lower edge of a subscavenging port from being scuffed by the lower edge of the skirt of a piston.
CONSTITUTION: A subscavenging port 4 the scavenging angle of which forms an acute angle is formed on the rear surface of a cylinder 1 so that the lower edge of the skirt of a piston 6 is positioned at a level higher than that of the lower edge 7 of the subscavenging port 4 when a piston 6 is positioned at a top dead center. A protrusion 8 positioned at a level higher than that of the lower edge of the skirt of the piston 6 positioned at the top dead center is formed on the central part of the lower edge 7 of the subscavenging port 4.
Inventors:
KAGEYAMA MINORU
Application Number:
JP22848691A
Publication Date:
February 23, 1993
Filing Date:
August 15, 1991
Export Citation:
Assignee:
SUZUKI MOTOR CO
International Classes:
F02F1/22; F02B75/02; (IPC1-7): F02F1/22
Attorney, Agent or Firm:
Hiromitsu Fujimoto (2 outside)