Micro diaphragm pump
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United States of America Patent
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-
Feb 17, 1998
Grant Date -
N/A
app pub date -
Mar 15, 1996
filing date -
Sep 25, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a micro diaphragm pump which has a pump body consisting of two parts, one part including two valve chambers with a pump chamber disposed therebetween and in communication with the valve chambers by passages, a diaphragm extends across and closes the chambers and forms, in the areas of the valve chambers, valve membranes for inlet and outlet valves which are integrally formed, both on one side of the diaphragm, both pump body parts being sealingly connected to the diaphragm.
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