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Title:
PLANETARY GEAR TRANSMISSION UNIT
Document Type and Number:
Japanese Patent JP2010270911
Kind Code:
A
Abstract:

To provide a planetary gear transmission unit capable of withstanding a large load.

The planetary gear transmission unit 10 includes: a ring gear 17; a sun gear 18; a planetary carrier 19 for driving a plurality of planetary shaft 12 to which a planetary gear 11 is rotatably fitted by means of a planetary bearing 13. The planetary shaft is a flex pin shaft 12, and each of the flex pin shafts 12 includes a pair of planetary gears 11, and each of the pair of the planetary gears 11 is a single helical type planetary gear having a helix angle opposite to a helix angle of the other planetary gear 11 of the pair. This invention further provides a gear box 20 which includes the planetary gear transmission unit 10, and a wind turbine including the gear box 20.


Inventors:
SMOOK WARREN
Application Number:
JP2010105452A
Publication Date:
December 02, 2010
Filing Date:
April 30, 2010
Export Citation:
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Assignee:
HANSEN TRANSMISSIONS INTERNATL NV
International Classes:
F16H1/28; F03D11/02
Domestic Patent References:
JP2007525623A2007-09-06
JP2009500576A2009-01-08
JP2000240735A2000-09-05
Foreign References:
EP1559928A22005-08-03
US20060142114A12006-06-29
Attorney, Agent or Firm:
Shinjiro Ono
Kazuo Shamoto
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Yasuaki Omiyama



 
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