Title:
GREASE COMPOSITION AND STEERING GEAR DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/148995
Kind Code:
A1
Abstract:
Provided is a grease composition comprising a base oil, a thickener, and an extreme pressure additive, wherein the base oil includes trimellitate ester and poly-α-olefin, the content of the trimellitate ester is 10.0-60.0 mass% with respect to the total amount of the trimellitate ester and the poly-α-olefin, the thickener includes lithium 12-hydroxystearate and lithium stearate, the content of the lithium 12-hydroxystearate is 5.0-95.0 mass% with respect to the total amount of the lithium 12-hydroxystearate and the lithium stearate, the extreme pressure additive includes molybdenum dialkyldithiocarbamate, and the content of the molybdenum dialkyldithiocarbamate is 0.6-16.0 mass% with respect to the total amount of the trimellitate ester, the poly-α-olefin, the lithium 12-hydroxystearate, the lithium stearate, and molybdenum dialkyldithiocarbamate.
Inventors:
HAGINO YAMASHITA YURIE (JP)
TANAKA HIROKI (JP)
TANAKA HIROKI (JP)
Application Number:
PCT/JP2022/024321
Publication Date:
August 10, 2023
Filing Date:
June 17, 2022
Export Citation:
Assignee:
JTEKT CORP (JP)
International Classes:
C10M169/04; C10M105/36; C10M107/02; C10M117/02; C10M117/04; C10M135/18
Foreign References:
| JPH11131082A | 1999-05-18 | |||
| JP2004269722A | 2004-09-30 | |||
| JP2012102191A | 2012-05-31 | |||
| JP2006335102A | 2006-12-14 | |||
| CN104371796A | 2015-02-25 |
Attorney, Agent or Firm:
SUNCREST PATENT AND TRADEMARK ATTORNEYS (JP)
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