| 摘要 |
A toilet flush opening device (10) includes a water cistern (12) that includes a lower discharge aperture (14) and a vertical moveable discharging open/close element (16) for this aperture (14), which is able to occupy a closed lower position to keep the water in the cistern (12) or an open upper position to discharge the water into a toilet bowl. The device is characterized in that the open/close element (16) can be urged from its lower position to its upper position by an electrohydraulic actuator (18) which includes a controlled solenoid valve (20), and an expandable hydraulic device (22) that can be supplied with water at pressure by the solenoid valve (20) to urge the open/close element (16) from its closed lower position to its open upper position.
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