THROTTLE BODY

PROBLEM TO BE SOLVED: To provide a throttle body capable of operating a first throttle valve interlocking with accelerator operation and a second throttle valve interlocking with the first throttle valve with a phase difference kept. SOLUTION: The throttle body 10 is provided with a main body 12 forming an intake passage 13, a first valve shaft 15 rotatably provided on the main body 12 and interlocking with accelerator operation, the first throttle valve 16 provided as one body with the first valve shaft 15 and opening and closing the intake passage 13, a second valve shaft 26 rotatably provided on the main body 12, the second throttle valve 27 provided as one body with the second valve shaft 26 and opening and closing the intake passage 13, and an interlocking mechanism 30 making the second valve shaft 26 interlock with the first valve shaft 15 when the first throttle valve 16 is opened exceeding a predetermined opening and making the second valve shaft 26 not interlock with the first valve shaft 15 when the first throttle valve 16 is opened to a predetermined opening or less. COPYRIGHT: (C)2009,JPO&INPIT