ACCESSORY DRIVE BELT TENSIONER
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United States of America Patent
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Issued Date -
Feb 7, 2019
app pub date -
Sep 15, 2016
filing date -
Sep 16, 2015
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Abstract
The present invention relates to an accessory drive belt tensioner for use in an engine for motor vehicles, comprising a base, a tensioner arm and a pulley mounted on the tensioner arm, wherein the base and the tensioner arm are arranged in a pivotal arrangement, the base and the tensioner arm are tension loaded and the pivotal arrangement confines a space being aimed for receiving a generator pulley, wherein the tensioner arm is made of a specific thermally conductive plastic composition; comprises cooling fins, the cooling fins being positioned in the vicinity of, or at least partially inside the space confined by the pivotal arrangement; and comprises a bearing surface part, for sliding contact with the base (A) within the pivotal arrangement, consisting of metal.
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