PUMP DEVICE

PUMP DEVICE

PROBLEM TO BE SOLVED: To provide a pump device capable of improving discharge efficiency and removing gas from a flow passage part.SOLUTION: Since for an interval in an operation direction between a diaphragm part 46 disposed at a most swollen position and a valve opening part 40 disposed at a close...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: MUKAI HISAO
Format: Patent
Sprache:eng ; jpn
Schlagworte:
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a pump device capable of improving discharge efficiency and removing gas from a flow passage part.SOLUTION: Since for an interval in an operation direction between a diaphragm part 46 disposed at a most swollen position and a valve opening part 40 disposed at a closed position as L1, and a stroke length of the diaphragm part 46 as X, the following relationship is satisfied: 0