GREASE COMPOSITION FOR RESIN LUBRICATION AND ELECTRICALLY OPERATED POWER STEERING UNIT

Title:

GREASE COMPOSITION FOR RESIN LUBRICATION AND ELECTRICALLY OPERATED POWER STEERING UNIT

Document Type and Number:

WIPO Patent Application WO/2004/081156

Kind Code:

A1

Abstract:

A grease composition for resin lubrication that can maintain excellent sliding lubrication between a resin member and a metal member and between metal members for a prolonged period of time. In particular, a grease composition for resin lubrication characterized by comprising a base oil, a thickening agent and at least one wax selected from among nonpolar waxes and polar waxes. The grease composition for resin lubrication is applied to telescopic rods for vehicle steering and electrically operated power steering units to thereby attain durability enhancement and service life prolongation.

Inventors:

MIYAJIMA HIROTOSHI (JP)
NAKATANI SHINYA (JP)
IWANO TOSHIYUKI (JP)
NAKA MICHIHARU (JP)

Application Number:

PCT/JP2004/002634

Publication Date:

September 23, 2004

Filing Date:

March 03, 2004

Export Citation:

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Assignee:

NSK LTD (JP)
NSK STEERING SYS CO LTD (JP)
MIYAJIMA HIROTOSHI (JP)
NAKATANI SHINYA (JP)
IWANO TOSHIYUKI (JP)
NAKA MICHIHARU (JP)

International Classes:

B62D1/16; B62D5/04; C10M101/02; C10M105/04; C10M105/18; C10M105/32; C10M107/02; C10M115/08; C10M117/02; C10M117/06; C10M135/10; C10M143/00; C10M159/06; C10M169/00; C10M169/02; C10M169/06; F16D3/06; F16H55/06; F16H57/02; F16H57/04; C10N10/04; C10N20/02; C10N30/06; C10N40/04; C10N50/10; (IPC1-7): C10M159/06; B62D1/18; B62D5/04; C10M143/00; C10M169/00

Foreign References:

JP2002371290A	2002-12-26
JPH09194867A	1997-07-29
JP2003003185A	2003-01-08
JP2002308125A	2002-10-23
JPS6031598A	1985-02-18
JPH02194095A	1990-07-31
JPH0741784A	1995-02-10
JP2002227854A	2002-08-14
JP2003054421A	2003-02-26
US6444621B1	2002-09-03

Other References: