Rotor bearing for a wind power generating plant
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United States of America Patent
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Aug 23, 2016
Grant Date -
Jan 23, 2014
app pub date -
Jan 19, 2012
filing date -
Jan 19, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A rolling bearing, particularly a rotor bearing, or main bearing, for a wind power generating plant, the bearing having at least two mutually concentric rings separated from each other by a gap in which one or more rows of rolling elements roll along raceways on both rings, such that the two rings are rotatable in mutually opposite directions about their common axis, wherein each ring has at least one connection surface for connection to a foundation, wherein the connection surfaces extend parallel to one another and are passed through approximately perpendicularly by a plurality of fastening bores for receiving fastening bolts extending through them or screwed into them, wherein the raceway of at least one rolling-element row is formed on a part separate from the ring concerned and is pushed away from the ring concerned in a direction perpendicular to the connection surfaces, by at least one resilient element.
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