Drive train cooling arrangement and method for operating same
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United States of America Patent
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Jun 20, 2017
Grant Date -
Aug 21, 2014
app pub date -
Apr 25, 2014
filing date -
Nov 9, 2011
priority date (Note) -
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Abstract
A drive train cooling arrangement for motor vehicles has a first cooling circuit and a second cooling circuit and has a pump arrangement, by means of which coolant can be fed to the first and the second cooling circuit. The pump arrangement has a bidirectional pump, which has a first pump port and a second pump port and which can be driven by a pump electric motor. The first pump port is connected to the first cooling circuit, wherein the second pump port is connected to the second cooling circuit. A coolant volume flow which is provided for at least one of the first and the second cooling circuit can be adjusted by changing the rotational speed of the pump electric motor.
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