Modified cylinder head

Details Modified cylinder head Modified cylinder head

F - Mech Eng,Light,Heat,Weapons

02

B

F02B 15/00 (2006.01) F01L 1/26 (2006.01) F02F 1/42 (2006.01) F02B 3/06 (2006.01) F02F 1/24 (2006.01)

Patent

CA 2087858

2087858 9305287 PCTABS00020 Multiple intake valves operatively associated in a common combustion chamber are advantageous in that the design achieves high output for an internal combustion engine. The subject modified cylinder head utilizes the advantages available in a multiple intake valve system, but further enhances the design by reducing heat rejection. In the subject modified cylinder head, three intake valves (38, 40, 42) having corresponding intake valve ports (26, 28, 30) and one exhaust valve (68) having an exhaust valve port (66) are operatively associated in a common combustion chamber. A reduction in heat rejection is achieved through a relationship between the cross-sectional areas of the intake and exhaust valve ports (26, 28, 30, 66). The intake valve ports (26, 28, 30) are constructed so that their cross-sectional area is larger than about 69 % of the combined cross-sectional area of the intake and the exhaust ports (26, 28, 30, 66).

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