| 摘要 |
A filter container 1 is described, fitted with inlet closure mechanism(s) 5 below the inlet(s) 2 that are opened when a filter 3 is placed in the container 1. The outlet 8 of the container 1 is arranged so that the outlet shroud 9 creates a water seal between the container 1 and the outlet 8. The removal of the filter 3 will close of the inlet closure device(s) 5. The container 1 may be fitted with electrical sensor(s) (figure 3, 10; figure 4, 11) to indicate that the filter 3 is missing and that the liquid level inside the container 1 is continuously above that required. The sensor(s) may comprise a float switch (figure 4,11) and/or a location sensor (figure 3, 10). |
