To suppress the deflection of an electric motor 20 and a worm 30a.
In this electric actuator 100a, when an output shaft 21 of the electric motor 20 rotates, a projection 26a of a worm stopper 26 applies a rotating force to the worm 30a. In this case, the worm 30a rotates in such a state that it is supported by a casing support shaft 12. Accompanied by this, the rotating force from the worm 30a is applied to a worm wheel 30b and the worm wheel 30b is rotated. When the rotating force from the worm 30a is applied to the worm wheel 30b, the force from the worm wheel 30b is applied to the worm 30a as a reaction, but the worm 30a is supported by the casing support shaft 12. Therefore, the force applied to the worm 30a from the worm wheel 30b is applied only to the casing support shaft 12, but not applied to the output shaft 21 of the electric motor 20.
| JP4254645 | Vehicle air conditioner |
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Takahiro Miura
Fumihiro Mizuno