Title:
ROTATING RING BEARING STRUCTURE FOR WIND WHEEL AND METHOD FOR REPLACING ROTATING RING BEARING STRUCTURE FOR WIND WHEEL
Document Type and Number:
WIPO Patent Application WO/2013/047617
Kind Code:
A1
Abstract:
A rotating ring bearing structure for a wind wheel is provided with an outer ring (2) which is bolted and joined to a rotor head, an inner ring (3) which is bolted and joined to the wind wheel blades, and balls (4) which are arranged in one or more rows in the circumferential direction between the outer ring (2) and the inner ring (3). Either the outer ring (2) and/or the inner ring (3) comprises divided members (2A, 3A). Two adjacent divided members (2A, 3A) are provided so as to be separated from each other. As a result of the configuration, the bearing can be replaced without removing the blades from the rotor head of the wind wheel.
Inventors:
YOSHIDA TAKAFUMI (JP)
NODA YOSHITOMO (JP)
SEKI SEITA (JP)
NODA YOSHITOMO (JP)
SEKI SEITA (JP)
Application Number:
PCT/JP2012/074783
Publication Date:
April 04, 2013
Filing Date:
September 26, 2012
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
F16C33/60; F03D11/00; F16C33/40; F16C33/64; F16C43/04
Domestic Patent References:
| WO2007108304A1 | 2007-09-27 | |||
| WO2011099120A1 | 2011-08-18 |
Foreign References:
| JPH07310645A | 1995-11-28 | |||
| JP2009063099A | 2009-03-26 | |||
| JPH0324322A | 1991-02-01 | |||
| JP2003214442A | 2003-07-30 | |||
| JP2010116991A | 2010-05-27 |
Attorney, Agent or Firm:
FUJITA, Takaharu et al. (JP)
Takaharu Fujita (JP)
Takaharu Fujita (JP)
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Claims:
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