| 摘要 |
<p>PURPOSE:To release the connection of the discharge opening of a drainage pump and a drainage hose easily by remote control. CONSTITUTION:An electromagnet 16 is installed to the flange of the inlet 14A of a drainage hose 14, the flanges of each discharge opening 50 of drainage pumps 5A, 5B are composed of a magnetic substance while the electromagnet 16 is on-off controlled by remote control, and the inlet 14A of the drainage hose 14 and each discharge opening 50 of the drainage pumps 5A, 5B can be connected or disconnected.</p> |
