Pump assembly
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United States of America Patent
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Dec 17, 2013
Grant Date -
Nov 3, 2011
app pub date -
Feb 2, 2010
filing date -
Feb 26, 2009
priority date (Note) -
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Abstract
A pump assembly includes a pump housing (2) with a fluid entry (6) and a fluid exit (8) for a fluid to be delivered. A stator housing (4) is connected to the pump housing (2). At least one cooling channel (12) is formed in a wall of the stator housing (4) and is connected to cooling channels (22, 24) in the pump housing (2), which are in connection with the fluid entry (6) and the fluid exit (8), so that the fluid flows through the at least one cooling channel on account of the pressure difference between the fluid entry (6) and the fluid exit (8).
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