| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a water discharging device capable of stopping repetitive operation and controlling the operation speed according to a user's preference. <P>SOLUTION: The water discharging device comprises a housing having a columnar space inside; a core movable within the columnar space while dividing the columnar space into first and second pressure chambers and having a core internal passage inside; a water discharge cylinder body having a water discharge passage communicating with the core internal passage and leading to the outside of the housing; a first water inlet which leads a fluid into the first pressure chamber; a second water inlet which leads the fluid into the second pressure chamber; a first lead-in port for leading the fluid from the first pressure chamber into the core internal passage; a second lead-in port for leading the fluid from the second pressure chamber into the core internal passage; a valve element for changing the opening of the first and second lead-in ports; a control means for reversing the opening size relation of the first and second lead-in ports when the core is reversed in the moving direction; and a speed control part which applies variable sliding resistance to the water discharge cylinder body. <P>COPYRIGHT: (C)2007,JPO&INPIT |
