Modular gear unit for a wind turbine

US9028361B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9028361-B2
Application numberUS-201213711948-A
CountryUS
Kind codeB2
Filing dateDec 12, 2012
Priority dateDec 16, 2011
Publication dateMay 12, 2015
Grant dateMay 12, 2015

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  1. Title

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  2. Abstract

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Abstract

Official abstract text for this publication.

A planetary gear unit ( 21 ) of a gearbox of a wind turbine comprising a sun gear ( 27 ), planet gears ( 25, 25′ ), a ring gear ( 24 ), a planet carrier ( 29 ) and an outer casing ( 31 ); the ring gear ( 24 ) being mounted on the outer casing ( 31 ); the planet carrier ( 29 ) comprising a bogie plate ( 35 ) where planet gears ( 25, 25′ ) are rotatably mounted on planet shafts ( 41 ); the planet carrier ( 29 ) comprising a main body ( 51 ) and a backplate ( 53 ) which can be joined/disjoined to the main body ( 51 ) for facilitating the assembly/disassembly of the planetary gear unit ( 21 ); the planet carrier ( 29 ) being rotatably mounted on said outer casing ( 31 ) by means of a first bearing ( 72 ) in contact with said main body ( 51 ) at the rotor side and by means of a second bearing ( 73 ) in contact with said backplate ( 53 ) at the generator side.

First claim

Opening claim text (preview).

The invention claimed is: 1. A planetary gear unit ( 21 ) of a gearbox of a wind turbine, the planetary gear unit ( 21 ) comprising only one central sun gear ( 27 ), at least one pair of planet gears ( 25 , 25 ′), a ring gear ( 24 ), a planet carrier ( 29 ), and an outer casing ( 31 ), the outer casing ( 31 ) being attached to a wind turbine nacelle, the ring gear ( 24 ) being mounted on the outer casing ( 31 ), the planet carrier ( 29 ) comprising a bogie plate ( 35 ), the bogie…

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What does patent US9028361B2 cover?
A planetary gear unit ( 21 ) of a gearbox of a wind turbine comprising a sun gear ( 27 ), planet gears ( 25, 25′ ), a ring gear ( 24 ), a planet carrier ( 29 ) and an outer casing ( 31 ); the ring gear ( 24 ) being mounted on the outer casing ( 31 ); the planet carrier ( 29 ) comprising a bogie plate ( 35 ) where planet gears ( 25, 25′ ) are rotatably mounted on planet shafts ( 41 ); the planet…
Who is the assignee on this patent?
Gamesa Innovation & Tech Sl
What technology area does this patent fall under?
Primary CPC classification F16H1/28. Mapped technology areas include Mechanical Engineering.
When was this patent published?
Publication date Tue May 12 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).