| 摘要 |
<p>1. Device for the remote control of decanting operations in which a material to be decanted is transferred from a storage vessel into a vessel which is to be charged, a control signal with a start and stop function being supplied by a hand-held station (1) to a control device at the delivery system in order to maintain the decanting operation while a filling valve is kept open and while a pump is operating, characterized in that the hand-held station (1) is provided with a seperate start and stop signal transmitter (14 ; 15) and in relation to the control device is so set that, after actuation of the control device, a status signal transmitter (11) is switched on, that, after the start signal transmitter has been operated, the status signal transmitter can be cancelled and the filling valve is opened with the pump operating, that after a preset first time interval, the status signal transmitter (11) switches on again and that up to the end of the second time interval, by renewed operation of the start signal transmitter (14), the filling valve is kept open and the pump remains switched on, but when the start signal transmitter (14) is not operated the filling valve goes into the closed position and the pump is switched off or its outpout is reduced, and that, on the other hand, by operation of the stop signal transmitter (15) the filling valve can be moved into the closed position and the pump be switched off or its output be reduced at any time.</p> |
