Vacuum pump
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United States of America Patent
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Issued Date -
Sep 8, 2011
app pub date -
Jul 30, 2009
filing date -
Nov 20, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a vacuum pump, in particular a vane cell pump, having a housing in which a suction space is provided, and a housing passage opening into the suction space, wherein a suction non-return valve opening to the outside or into an external vacuum space is arranged in the housing passage, said valve being accommodated in a pot-shaped housing, the pot-shaped housing having a housing bottom and a housing jacket, wherein the housing bottom is integral with the housing jacket.
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