Drive train device
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United States of America Patent
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Feb 17, 2015
Grant Date -
Mar 8, 2012
app pub date -
Nov 4, 2011
filing date -
May 5, 2009
priority date (Note) -
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Abstract
In a drive train device, in particular a motor vehicle drive train device, with a working fluid pressure system for providing an operating fluid pressure including at least a first and a second operating fluid pressure source connected in at least one operating state directly to the working fluid pressure system, and a lubricating and cooling fluid pressure system with an operating fluid pressure deviating from the operating fluid pressure in the working fluid pressure system, a hydraulic switching unit is provided which in at least one operating state connects the second operating fluid pressure source directly to the lubricating and cooling fluid pressure system for increasing the pressure thereof.
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