Title:
GREASE COMPOSITION FOR AUTOMOBILE ELECTRICAL EQUIPMENT AUXILIARY DEVICE AND PRELUBRICATED ROLLING BEARING USING THE GREASE COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2004/061058
Kind Code:
A1
Abstract:
A grease composition for an automobile electrical equipment auxiliary device, which comprises a base oil comprising an aromatic ester oil and, compounded therewith, a specific di-urea compound as a thickener; and a prelubricated rolling bearing using the grease composition. The grease composition and the rolling bearing are free from the occurrence of a strange sound even in an operation at a very low temperature such as -40°C, exhibits excellent resistance to seizure even at a high temperature near 180°C, and also is excellent in rust inhibiting characteristics, and thus is suitable for use in electrical equipment, an auxiliary machine for an engine and the like.
Inventors:
FUJITA YASUNOBU (JP)
NAKATANI SHINYA (JP)
DENPOU KATSUAKI (JP)
SUMIYA HISAO (JP)
NAKATANI SHINYA (JP)
DENPOU KATSUAKI (JP)
SUMIYA HISAO (JP)
Application Number:
PCT/JP2004/000006
Publication Date:
July 22, 2004
Filing Date:
January 05, 2004
Export Citation:
Assignee:
NSK LTD (JP)
FUJITA YASUNOBU (JP)
NAKATANI SHINYA (JP)
DENPOU KATSUAKI (JP)
SUMIYA HISAO (JP)
FUJITA YASUNOBU (JP)
NAKATANI SHINYA (JP)
DENPOU KATSUAKI (JP)
SUMIYA HISAO (JP)
International Classes:
F16C33/78; C10M105/36; C10M115/08; C10M125/02; C10M129/26; C10M129/28; C10M129/76; C10M133/06; C10M169/02; F16C33/66; C10N10/02; C10N10/04; C10N10/06; C10N20/06; C10N30/00; C10N30/06; C10N30/08; C10N30/12; C10N40/02; C10N50/10; (IPC1-7): C10M169/02; C10M169/00; F16C33/66
Foreign References:
| JP2001107073A | 2001-04-17 | |||
| JPH08209176A | 1996-08-13 | |||
| US20020076125A1 | 2002-06-20 | |||
| US20010034306A1 | 2001-10-25 | |||
| JP2003342593A | 2003-12-03 | |||
| JP2004003596A | 2004-01-08 | |||
| JP2004018597A | 2004-01-22 |
Attorney, Agent or Firm:
Oguri, Shohei (13th Floor ARK Mori Building, 12-32, Akasaka 1-chom, Minato-ku Tokyo, JP)
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