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Patent Searching and Data


Title:
DOUBLE-ROW SELF-ALIGNING ROLLER BEARING AND MAIN SHAFT SUPPORT STRUCTURE FOR WIND-TURBINE GENERATOR
Document Type and Number:
WIPO Patent Application WO/2006/033320
Kind Code:
A1
Abstract:
The relationships of L2 < L1 and L2 > A hold, where L1 is the length of a spherical roller (11) in one row, L2 the length of a spherical roller (12) in the other row, and A the major axis of a contact ellipse (14) produced on a contact surface between the spherical roller (12) in the other row and a raceway ring (20b).

Inventors:
Mori, Nobuyuki c/o NTN CORPORATION (3066 Aza Oyumida, Oaza Higashikata, Kuwana-sh, Mie 11, 51108, JP)
Application Number:
PCT/JP2005/017277
Publication Date:
March 30, 2006
Filing Date:
September 20, 2005
Export Citation:
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Assignee:
NTN CORPORATION (3-17, Kyomachibori 1-chome Nishi-k, Osaka-shi Osaka 03, 55000, JP)
Mori, Nobuyuki c/o NTN CORPORATION (3066 Aza Oyumida, Oaza Higashikata, Kuwana-sh, Mie 11, 51108, JP)
International Classes:
F16C23/08; F03D11/00; F16C19/38; F16C33/36; F16C33/58; H02K7/08
Foreign References:
JP2004245251A2004-09-02
JPH10184677A1998-07-14
JP2004019731A2004-01-22
JP2000356218A2000-12-26
JP2002147449A2002-05-22
JP2003130057A2003-05-08
JPS61171917A1986-08-02
JPH01224523A1989-09-07
Attorney, Agent or Firm:
Itoh, Hidehiko (IMY INTERNATIONAL PATENT OFFICE, Kyowa Shimanouchi Bldg. 21-19, Shimanouchi 1-chome, Chuo-k, Osaka-shi Osaka 82, 54200, JP)
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