SUCTION PUMP WITH A SAFETY VALVE
A suction pump comprises a safety valve having a first step (55, 46) which opens at a first underpressure, and a second step (35, 9) which opens at a second underpressure, the first underpressure being quantitatively lower than the second. This suction pump cannot be inactivated by liquid, in partic...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A suction pump comprises a safety valve having a first step (55, 46) which opens at a first underpressure, and a second step (35, 9) which opens at a second underpressure, the first underpressure being quantitatively lower than the second. This suction pump cannot be inactivated by liquid, in particular milk, that has been sucked into the pump and has accumulated there. (Figure 4) |
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