ROCKER ARM SHAFT WITH IMPROVED ABRASION RESISTANCE AND ROCKER ARM SHAFT/BUSH ASSEMBLY COMPRISING SAME

Title:

ROCKER ARM SHAFT WITH IMPROVED ABRASION RESISTANCE AND ROCKER ARM SHAFT/BUSH ASSEMBLY COMPRISING SAME

Document Type and Number:

WIPO Patent Application WO/2012/067426

Kind Code:

A2

Abstract:

The present invention relates to a rocker arm shaft and to a rocker arm shaft/bush assembly including a rocker arm shaft and a rocker arm bush that surrounds the rocker arm shaft, in which the rocker arm shaft has a surface on which fine embossments are formed, thereby achieving superior lubrication characteristics and superior abrasion resistance as a result.

Inventors:

KIM SUNG GI (KR)
OH SEOK JU (KR)

Application Number:

PCT/KR2011/008760

Publication Date:

May 24, 2012

Filing Date:

November 16, 2011

Export Citation:

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Assignee:

DOOSAN INFRACORE CO LTD (KR)
KIM SUNG GI (KR)
OH SEOK JU (KR)

International Classes:

F01L1/18; F01L1/12

Foreign References:

JP2007177677A	2007-07-12
JPH08158838A	1996-06-18
JP2006322331A	2006-11-30
JP2007023817A	2007-02-01

Other References:

None
See also references of EP 2642093A4

Attorney, Agent or Firm:

KIM, Kee-Hyo (KR)
김기효 (KR)

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