Oil discharging system for main shaft bearing of wind turbine generator
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United States of America Patent
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Apr 11, 2017
Issued Date -
N/A
app pub date -
Dec 9, 2014
filing date -
Oct 28, 2014
priority date (Note) -
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Abstract
An oil discharging system for a main shaft bearing of a wind turbine generator, includes: a main shaft bearing, a bearing seal, a bearing end cover, a waste oil through hole, at least one thumb wheel; the bearing seal is sleeved to an end of the main shaft bearing, the bearing end cover is engaged with the bearing seal to encircle the outside of the bearing seal; the waste oil through hole is provided on the bearing end cover; the at least one thumb wheel is provided on the bearing seal, enables the waste oil been discharged from the waste oil through hole after the thumb wheel acts upon. Since the thumb wheel rotates with the main shaft bearing, so that the waste oil discharge from the waste oil through hole effectively, thus pollutions to the wind turbine generator and surroundings thereof are reduced.
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