| 摘要 |
The pump unit has a flow monitor (10) contained within the flow path (9) of the pumped liquid within the pump housing (6) an provided by an electromagnetic switching device (14) and a 2-armed lever (16) with one lever arm (18) projecting into the flow p and the other lever arm (19) carrying a magnet (20) for operation of the switching device. The latter is positioned within a terminal housing (11) fitted to the electric motor housing (1), at least the part of the lever arm carrying the magnet enclosed separate hermetically sealed monitor housing (21). |
