| 摘要 |
The invention relates to a motor. The motor comprises a rotary member (6), at least one actuator member, preferably in the form a bellow (2a-c), a first passage (12-17) through which a space of the actuator member (2a-c) is connectable to a first source (10), a second passage (18, 19) through which the space of the actuator member (2a-c) is connectable to a second source (20) and a valve member (15) arranged to successively connect the actuator member (2a-c) to the first source (10) and the second source. An inner end portion (3a-c) of the actuator member (2a-c) is connected to the rotary member (6) in such a way that a motion of the first end portion (3a-c) provides a rotary motion of the rotary member (6).
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