AXIAL SECURING OF A PLANETARY GEARING BEARING ARRANGEMENT
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United States of America Patent
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Issued Date -
Dec 29, 2016
app pub date -
Nov 18, 2014
filing date -
Dec 18, 2013
priority date (Note) -
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Abstract
A planetary transmission, for a wind turbine, having at least one of each of a planetary gearwheel, a shaft and a carrier. The planetary gearwheel is mounted by at least first and second bearings for rotation on the shaft. The first bearing supports the gearwheel against displacement in a first axial direction while the second bearing supports the gearwheel against displacement in a second axial direction, opposite to the first direction. The planetary transmission includes elements for supporting inner rings of the first and the second bearings against respective displacement in the first and the second directions, and an element for supporting the shaft on the carrier against displacement of the shaft in the first direction. The elements for supporting the shaft on the carrier are arranged so that the first and the second bearings cannot be in a load path between the planetary shaft and the carrier.
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