Efficient engine piston

Application Number: 00121884
Application Date: 2000.08.06
Publication Number: 1289004
Publication Date: 2001.03.28
Priority Information: 1999/9/16 CN 99243209.X
International: F02F3/00
Applicant(s) Name: Chen Yuzhou
Address:
Inventor(s) Name: Chen Yuzhou
Patent Agency Code: 00000
Patent Agent:
Abstract The present invention relates to a high-efficiency engine piston with maximum aerodynamic resistance for heat engine, and is characterized by that on the original cylindrical piston body it is formed from piston skirt portion, piston pin hole, piston head end, piston top portion, oil ring groove pistioned on the piston head and air ring goove, and its piston top portion possesses a semicircular or sub-semicircular concave surface whose diameter or chord must be equal to or approaching to the diameter to top portion to make it must processes a maximum concave surface, its aerodynamic resistance is maximum, its efficiency also is maximum so as to make engine efficiency implement multiplication.