| 摘要 |
PROBLEM TO BE SOLVED: To provide a valve device which can reduce the power consumed when the opening/closing operation of a valve body is executed and can be economically used. SOLUTION: The valve device is constituted as follows. A wire rod 41 bent into a U shape is connected to the valve body via a lever member 39, a connection member 38, an operation shaft 33, and a valve shaft. The opening/closing operation of the valve body is executed by the leverage working on a shaft 42 due to the heat shrinkage of the wire rod 41. COPYRIGHT: (C)2005,JPO&NCIPI
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