| 摘要 |
<p>A pump, comprising a casing (14) to which fluid is fed, an input valve part (18) installed opposedly to the rear surface of the casing (14), a pump part (16), an output valve part (20), and a pump main unit (12) which forms selectively a flow path on the rear surface of the casing (14) through a selective displacement operation of the input valve part (18), pump part (16), and output valve part (20) in the direction toward or away from the rear surface of the casing (14), the flow of fluid being controlled by the selective forming of the flow path, whereby, the size and thickness of the pump can be reduced and, in addition, the amount of discharge of fluid (amount of movement) can be increased.</p> |
