| 摘要 |
PROBLEM TO BE SOLVED: To provide a secondary air control device capable of controlling a supply amount of secondary air to an exhaust system even under a low temperature environment.SOLUTION: A secondary air control device 10 includes: a valve element 31 for controlling a supply amount of secondary air supplied to an exhaust system 3 of an internal combustion engine by opening and closing a gas passage 21 in which the secondary air is circulated; a shaft 36 connected to the valve element 31; driving means 32 for driving the shaft 36; and a housing 20 for accommodating the valve element 31, and having a seal face 24 closing the gas passage 21 by closely kept into contact with the valve element 31. The seal face 24 is inclined to a horizontal face, and the shaft 36 is connected to the valve element 31 at a part 31b eccentric downward from a central portion 31a of the valve element 31. |
