PITCH LOCK SYSTEM
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United States of America Patent
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N/A
Issued Date -
Oct 3, 2013
app pub date -
Mar 13, 2013
filing date -
Mar 29, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A pitch lock system for a wind turbine with a rotor, at least one pitchable blade and a interface having a pitch bearing system with a first bearing ring, a second bearing ring and a pitch drive installed at a support plate at a structural part connected to the first bearing ring and interacting with teeth on a toothed element, where the toothed element is in fixed connection with the second bearing part. The pitch lock system has at least a base plate and an arrangement for fastening the base plate indirectly to the first bearing ring and a locking pawl that can be fasten to the base plate with an element on the locking pawl interacting with the toothed element.
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