Transfer gearbox
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United States of America Patent
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Jun 2, 2015
Grant Date -
Jul 25, 2013
app pub date -
Aug 29, 2011
filing date -
Sep 22, 2010
priority date (Note) -
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Abstract
A transfer gearbox includes an input shaft, first and second output shafts, and a torque transmission device having a clutch which distributes a driving torque introduced via the input shaft optionally to the first output shaft and the second output shaft. A chain drive is active between the torque transmission device and the second output shaft, and includes a lower chain wheel which engages in an oil sump with lubrication oil such that, by way of a chain, lubrication oil is conveyed from the oil sump in the direction of an upper chain wheel which is drive-connected to the lower chain wheel via the chain. The chain is arranged at an outlet opening of an oil reservoir which collects the lubrication oil and which opens into the oil sump. The chain throttles the flowing out of the lubrication oil collected in the oil reservoir into the oil sump.
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