| 摘要 |
PROBLEM TO BE SOLVED: To provide a bulge on an entire circumference of a hose connection cylinder by restraining deterioration of productivity and increase of processing costs.SOLUTION: A throttle body 1 of an electronic throttle is integrated with: a bore housing 4 with which a valve 3 is assembled; and an actuator housing 5 with which an electric actuator 2 is assembled. A hose connection cylinder 6 for connecting an air hose is separately provided, and is coupled by bolts 8. In this manner, the hose connection cylinder 6 is separately provided, and therefore, "a thinned part α" can be provided on the throttle body 1 without restraint of "die-releasing". Also, the hose connection cylinder 6 is separately provided, and therefore, "a bulge 6a across an entire circumference" can be formed on the hose connection cylinder 6 without using cutting processing. In this manner, the bulge 6a can be provided on the entire circumference of the hose connection cylinder 6 while restraining deterioration of productivity and increase of processing costs. |
