DIAPHRAGM PUMP FOR THE TRANSPORT OF LIQUIDS
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United States of America Patent
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Issued Date -
Mar 22, 2007
app pub date -
Sep 18, 2006
filing date -
Sep 16, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A diaphragm pump for conveying liquids for application in a sterile environment includes passageways for conduction of a liquid, and check valves for controlling a flow of liquid through the passageways. The diaphragm pump is constructed in such a way that all surfaces of the passageways in contact with the liquid being conveyed are disposed at a slant. In addition, all transitions between liquid-conducting surfaces have a gradual configuration. For drainage of the diaphragm pump, the shutoff elements of the check valves are lifted off their valve seat through temporary generation of a magnetic field.
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