Title:
シリンダライナとピストンリングの組み合わせ
Document Type and Number:
Japanese Patent JP4954644
Kind Code:
B2
Abstract:
A combination of a cylinder liner and a piston ring, wherein the cylinder liner includes, silicon: 23.0-28.0% by weight, magnesium: 0.80-2.0% by weight, copper: 3.0-4.5% by weight, iron: 0.25% by weight or less, nickel: 0.01% by weight or less, wherein surface roughness profile of the inner circumference surface has Rz=0.5 to 1.0 mum, Rk=0.2 to 0.4 mum, Rpk=0.05 to 0.1 mum, Rvk=0.08 to 0.2 mum, wherein the piston ring includes carbon: 0.6-0.7% by weight, chrome: 13-14% by weight, molybdenum: 0.2-0.4% by weight, silicon: 0.25-0.50% by weight, manganese: 0.2-0.5% by weight, and wherein carbides with the diameter of 5.0 mum and less are 4-10%.
Inventors:
Hiraishi
Katsuaki Ogawa
Yuzo Ishikawa
Hirase bundle
Kazuhiro Samejima
Katsuaki Ogawa
Yuzo Ishikawa
Hirase bundle
Kazuhiro Samejima
Application Number:
JP2006236974A
Publication Date:
June 20, 2012
Filing Date:
August 31, 2006
Export Citation:
Assignee:
Nippon Piston Ring Co., Ltd.
International Classes:
F02F1/00; C22C21/02; C22C38/00; C22C38/22; C22C38/40; F02F5/00; F16J9/26; F16J10/04
Domestic Patent References:
| JP2004116707A | ||||
| JP2001280497A | ||||
| JP11172413A | ||||
| JP9060726A | ||||
| JP9019757A | ||||
| JP5280643A | ||||
| JP64041649A | ||||
| JP58027860A |
Attorney, Agent or Firm:
Yasuo Ishikawa