Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
PISTON RING MADE OF STEEL FOR INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JP2002302739
Kind Code:
A
Abstract:

To provide a piston ring made of steel for an internal combustion engine, which has excellent chipping resistance and can prevent chipping occurring in abutment parts or corner parts.

This piston ring made of the steel has a fundamental structure consisting of a bainitic single phase, or a structure mainly consisting of a bainitic phase, and containing a martensitic phase of ≤40% by area ratio. The piston ring preferably has a composition containing 0.5 to 1.0% C, ≤1.0% Si, ≤2.0% Mn, 1.0 to 20.0% Cr and 0.5 to 2.0% Mo, or further containing 3.0 to 8.0% Ni and/or ≤0.5% V.


More Like This:
WO/2015/041215COMBINATION OF CYLINDER BORE AND PISTON RING
WO/2003/098079METHOD FOR PRODUCING ANTI-WEAR COATINGS ON STEEL PISTON RINGS, AND STEEL PISTON RING COMPRISING ONE SUCH ANTI-WEAR COATING
JP7445828piston ring
Inventors:
NAKAMURA YOSHIKATSU
SAMEJIMA SHUJI
HIRASE TSUKANE
Application Number:
JP2001107991A
Publication Date:
October 18, 2002
Filing Date:
April 06, 2001
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NIPPON PISTON RING CO LTD
International Classes:
F16J9/26; C22C38/00; C22C38/38; C22C38/58; (IPC1-7): C22C38/00; C22C38/38; C22C38/58; F16J9/26
Attorney, Agent or Firm:
Eiichi Kobayashi



 
Previous Patent: LOW-SEGREGATION PEARLITIC RAIL WITH EXCELLENT WEAR RESISTANCE AND RESISTANCE TO INTERNAL FATIGUE DAM...

Next Patent: HOT ROLLED SHEET FOR GRAIN ORIENTED SILICON STEEL SHEET