Title:
STEP-UP GEAR FOR WIND-POWERED ELECTRICITY GENERATION
Document Type and Number:
WIPO Patent Application WO/2013/035865
Kind Code:
A1
Abstract:
In order to obtain a step-up gear for wind-powered electricity generation that is highly reliable and has a long service life while also being compact, lightweight, and low-cost, a step-up gear (50) for wind-powered electricity generation is equipped with a planetary gear mechanism (52). The step-up gear (50) is further equipped with a planetary gear (68) that forms one element of the planetary gear mechanism (52), and a planetary pin (64) that rotatably supports the planetary gear (68) via a roller bearing (76). Spaces (S1, S2) in which a lubricant penetrates are formed between the planetary gear (68) and the roller bearing (76) and/or between the roller bearing (76) and the planetary pin (64).
Inventors:
YOSHIDA SHINJI (JP)
IGARASHI YOSHITAKA (JP)
IGARASHI YOSHITAKA (JP)
Application Number:
PCT/JP2012/072981
Publication Date:
March 14, 2013
Filing Date:
September 07, 2012
Export Citation:
Assignee:
SUMITOMO HEAVY INDUSTRIES (JP)
YOSHIDA SHINJI (JP)
IGARASHI YOSHITAKA (JP)
YOSHIDA SHINJI (JP)
IGARASHI YOSHITAKA (JP)
International Classes:
F16H57/04; F03D11/02; F16H1/28
Foreign References:
| JP2011127451A | 2011-06-30 | |||
| JPH0545297U | 1993-06-18 | |||
| JP2007071355A | 2007-03-22 | |||
| JPH02110741U | 1990-09-05 | |||
| JP2009144533A | 2009-07-02 | |||
| JPS62108656U | 1987-07-11 | |||
| JP2011208610A | 2011-10-20 |
Attorney, Agent or Firm:
MAKINO, Takehiro et al. (JP)
Takehiro Makino (JP)
Takehiro Makino (JP)
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Claims: