| 摘要 |
Insert (100) for a pressurized container (3), comprising an electric pump (170), in particular a diaphragm pump, and an on/off switch (190), characterized in that the insert also comprises a microswitch (300) and a device (199) which is constructed such that, when a pressure in the pressurized container exceeds a maximum value, the microswitch is actuated and the electric pump is turned off and, when a pressure in the pressurized container falls below a minimum value, the microswitch is released and the electric pump is turned on. |
