Hub pitch gear repair method

A method for repairing a hub pitch gear assembly (115). The method includes providing a ring assembly (137) for adjusting a pitch angle of a wind turbine blade (108) having a plurality of gear teeth (302). A segment of the ring assembly (115) is removed, the segment including at least a portion of a...

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Bibliographic Details
Main Authors AUER, GUNTHER, DIMASCIO, PAUL STEPHEN, GRIMLEY, ROBERT, HAMEL, ALAN, CLOSE, RYAN
Format Patent
LanguageEnglish
French
German
Published 24.06.2015
Subjects
BLASTING
ENGINEERING ELEMENTS AND UNITS
GEARING
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MACHINES OR ENGINES FOR LIQUIDS
MECHANICAL ENGINEERING
OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
PRODUCING MECHANICAL POWER
THERMAL INSULATION IN GENERAL
WEAPONS
WIND MOTORS
WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
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Summary:A method for repairing a hub pitch gear assembly (115). The method includes providing a ring assembly (137) for adjusting a pitch angle of a wind turbine blade (108) having a plurality of gear teeth (302). A segment of the ring assembly (115) is removed, the segment including at least a portion of at least one gear tooth (115), to form a repair cavity (303). A repair segment (301) configured to mate the repair cavity (303) is provided and the repair segment (301) is directed into the repair cavity (303) and fastened in position. A repaired pitch gear assembly (115) and wind turbine (100) are also disclosed.
Bibliography:Application Number: EP20090250444