HYDRAULIC SYSTEM IN PARTICULAR FOR ACTUATION OF A TRANSMISSION SYSTEM
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United States of America Patent
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Issued Date -
Jun 18, 2015
app pub date -
May 23, 2013
filing date -
May 23, 2012
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Abstract
A hydraulic system 71, more particularly for the actuation of a transmission system, comprises
- an oil pump 67, which is driven by one of the shafts of the transmission system or a drive source, which pump has an input and an output, which input is connected to the oil tank 75 and which output is connected to a main line 73, a switchable valve 91, which is located between the output 69 of the oil pump 67 and the oil tank 75, a restriction 93, which is located between the switchable valve 91 and the oil tank 75, anda further valve 95, which is located between the output 69 of the oil pump 67 and the main line 73.
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