| 摘要 |
PROBLEM TO BE SOLVED: To provide a valve device capable of lessening a collision force between a valve main body and a valve element when the valve element moves to a first position and comes into collision with a contact surface of the valve main body. SOLUTION: An injector 10 includes the main body 12, the valve element 20, and a spring 28. An opening 18b is formed in a second fluid-pipe 18 of the main body 12. In the main body 12, the valve element 20 is movably held so as to move to the first position where the valve element comes into contact with the contact surface 18c of the second fluid-pipe 18 to close the opening 18b, and a second position where the valve element is separated from the contact surface 18c to open the opening 18b. The spring 28 urges the valve element 20 to the first position. The valve element 20 is connected to the main body 12 by means of viscoelastic substances 24, 26. COPYRIGHT: (C)2009,JPO&INPIT
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