Turbine with yaw brake mechanism having a rotor lock and a corresponding receptacle
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United States of America Patent
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Sep 11, 2018
Grant Date -
Aug 25, 2016
app pub date -
Feb 24, 2015
filing date -
Feb 24, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A yaw brake mechanism is described for maintaining a yawing structure, such as a nacelle of a fluid turbine, at a desired orientation or azimuthal heading about a reference or yaw axis. The yaw brake mechanism uses one or more rotor locks and one or more receptacles that cooperate with one another to achieve the locking function. One of the rotor locks is actuatable so that a portion thereof can be engaged in one of the receptacles to lock the yawing structure. The number of rotor locks and receptacles can be selected to allow the yawing structure to achieve any azimuth heading around the full 360 degrees of the yaw axis with various degrees of accuracy. The yaw brake mechanism allows the yawing structure to maintain multiple headings while being subjected to extreme moment and force loads in a low mass, low height, low cost solution.
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