INTAKE VALVE AND MANUFACTURING METHOD THEREOF

摘要

PROBLEM TO BE SOLVED: To provide a means for improving output and fuel consumption of an internal combustion engine, in regard to an intake valve for an internal combustion engine using an aluminum alloy. SOLUTION: The intake valve 10 for an internal combustion engine has a shaft part 20 and an umbrella part 30 connected to the shaft part 20. At least one of the shaft part 20 and the umbrella part 30 is made of the aluminum alloy comprising carbon nano tube. COPYRIGHT: (C)2006,JPO&NCIPI