| 摘要 |
A valve device (1) in which a valve element (6) driven by a stepping motor (8) opens and closes an aperture (3a) in a gas inlet tube (3) in a main body case (2) composed of a first case unit (10) and a second case unit (20) that are joined together, wherein a rotor unit (90) of the stepping motor (8) is disposed inside the first case unit (10), and a bearing member (24) for rotatably supporting a shaft unit (92) at one end side of the rotor unit (90) and a partition wall (30) provided with a cylindrical wall (33) for rotatably supporting a small-diameter shaft unit (93) at the other end side of the rotor unit (90) are supported by the first case unit (10). |
