Title:
BALL SCREW GREASE COMPOSITION FOR RACK-ASSISTED ELECTRIC POWER STEERING
Document Type and Number:
WIPO Patent Application WO/2021/200930
Kind Code:
A1
Abstract:
This ball screw grease composition for a rack-assisted electric power steering contains a thickener, a base oil, and at least one compound selected from the group consisting of a Ca sulfonates, fatty acids, and triglycerides, wherein the kinematic viscosity of the base oil at 40°C is 4-100 mm2/s, and the worked penetration of the composition is 265-385.
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Inventors:
SOMA MINAMI (JP)
KOCHI TSUYOSHI (JP)
KOMORIYA TOMONOBU (JP)
KOCHI TSUYOSHI (JP)
KOMORIYA TOMONOBU (JP)
Application Number:
PCT/JP2021/013506
Publication Date:
October 07, 2021
Filing Date:
March 30, 2021
Export Citation:
Assignee:
KYODO YUSHI (JP)
International Classes:
C10M169/04; C10M129/40; C10M129/74; C10M135/10; C10M107/02; C10N10/04; C10N20/00; C10N20/02; C10N30/00; C10N40/00; C10N50/10
Domestic Patent References:
| WO2004037958A1 | 2004-05-06 |
Foreign References:
| JP2015160493A | 2015-09-07 | |||
| JP2006306275A | 2006-11-09 | |||
| JP2010095631A | 2010-04-30 | |||
| JP2014047276A | 2014-03-17 | |||
| JP2004059814A | 2004-02-26 | |||
| JP2001335792A | 2001-12-04 | |||
| JP2012077283A | 2012-04-19 | |||
| JP2006057709A | 2006-03-02 | |||
| JP2010241858A | 2010-10-28 | |||
| JP2006077205A | 2006-03-23 | |||
| JP2006335102A | 2006-12-14 | |||
| JP2020172571A | 2020-10-22 | |||
| JP2006306275A | 2006-11-09 | |||
| JP2006307023A | 2006-11-09 |
Attorney, Agent or Firm:
TANAKA Shinichiro et al. (JP)
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