ENDLESS DRIVE ARRANGEMENT WITH ACTIVE IDLER
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United States of America Patent
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app pub date -
Jun 29, 2015
filing date -
Jun 27, 2014
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Abstract
In an aspect, an endless drive arrangement for an engine is provided and includes a crankshaft pulley that is drivable by a crankshaft of the engine, a secondary motive device that is operable to drive a secondary motive device pulley; an endless drive member that is engaged with the crankshaft pulley and the secondary motive device pulley, wherein the endless drive arrangement is operable in a first mode in which tension in a first span of the endless drive member is lower tension than a second span of the endless drive member and in a second mode in which tension in the second span of the endless drive member is lower than tension in the first span of the endless drive member; first and second tensioners may move as needed to maintain tension in first and second spans of the belt.
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