Title:
GREASE COMPOSITION AND STEERING GEAR DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/148802
Kind Code:
A1
Abstract:
This grease composition contains a base oil, a thickening agent and an extreme pressure additive. The base oil contains a trimellitic acid ester and a poly-α-olefin. The trimellitic acid ester is contained at a proportion of 10.0-60.0 mass% relative to the total amount of the trimellitic acid ester and the poly-α-olefin. The thickening agent contains lithium 12-hydroxystearate and lithium stearate. The lithium 12-hydroxystearate is contained at a proportion of 5.0-95.0 mass% relative to the total amount of the lithium 12-hydroxystearate and the lithium stearate. The extreme pressure additive contains a molybdenum dialkyldithiocarbamate. The molybdenum dialkyldithiocarbamate is contained at a proportion of 0.6-16.0 mass% relative to the total amount of the trimellitic acid ester, the poly-α-olefin, the lithium 12-hydroxystearate, the lithium stearate and the molybdenum dialkyldithiocarbamate.
Inventors:
HAGINO YAMASHITA YURIE (JP)
TANAKA HIROKI (JP)
TANAKA HIROKI (JP)
Application Number:
PCT/JP2022/003775
Publication Date:
August 10, 2023
Filing Date:
February 01, 2022
Export Citation:
Assignee:
JTEKT CORP (JP)
International Classes:
C10M169/02; B62D5/22; C10M105/38; C10M105/40; C10M107/02; C10M117/02; C10M117/04; C10M135/18; C10N10/02; C10N30/06; C10N40/04
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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