| 摘要 |
PROBLEM TO BE SOLVED: To simply and inexpensively produce an injection device, to prevent interaction between a medium and an actuator, and to improve spraying quality. SOLUTION: A valve assembly 10 equipped with a valve member 11 sealing at a valve seat 13 is provided, the valve assembly 10 is arranged in the medium M to be injected, an actuator device 21 equipped with the actuator 21, a piston 22, and a return element 23 is provided, an impact transmission device 24 is provided, the impact transmission device 24 is arranged between the valve assembly 10 and the actuator device 20, the valve assembly 10 is fluid-tightly separated from the actuator device 20, and the impact generated by the actuator device 20 is transmitted to the medium M to be injected, and thereby, the valve assembly 10 is opened, and the medium M is injected. COPYRIGHT: (C)2010,JPO&INPIT |
