VACUUM SYSTEM FOR CONVEYING A HIGH AMOUNT OF SUPPLEMENTAL LIQUID
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United States of America Patent
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-
N/A
Issued Date -
Sep 25, 2008
app pub date -
May 30, 2007
filing date -
Mar 20, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A pump apparatus for conveying a gas-liquid mixture comprises a first pump (7) for conveying gas with a first pump chamber (28) and a first impeller (33), a second pump (11) for conveying liquid with a second pump chamber (36) and a second impeller (41), and a drive device (2) with a rotary-driveable drive shaft (4) for driving the pumps (7, 1 1), the drive shaft (4) being connected to both impellers (33, 41).
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