Piston ring

Disclosed is a piston ring which is fitted into a ring groove of an aluminum alloy piston and enables to prevent aluminum adhesion over a long time. A resin coating film containing 0.5-20% by volume of a carbon black particle and 3-30% by volume of a solid lubricant particle relative to the total of...

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Bibliographic Details
Main Authors USUI MIYUKI, WATANABE YOSHINARI, HAYASHI TOSHIKATSU, SAITOU HIROAKI, MURAMATSU GYO
Format Patent
LanguageChinese
English
Published 23.09.2009
Subjects
ADHESIVES
BLASTING
CHEMICAL PAINT OR INK REMOVERS
CHEMISTRY
COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS
CORRECTING FLUIDS
CYLINDERS
DYES
ENGINEERING ELEMENTS AND UNITS
FILLING PASTES
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
INKS
LIGHTING
MECHANICAL ENGINEERING
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
PASTES OR SOLIDS FOR COLOURING OR PRINTING
PISTONS
POLISHES
SEALINGS
THERMAL INSULATION IN GENERAL
USE OF MATERIALS THEREFOR
WEAPONS
WOODSTAINS
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Summary:Disclosed is a piston ring which is fitted into a ring groove of an aluminum alloy piston and enables to prevent aluminum adhesion over a long time. A resin coating film containing 0.5-20% by volume of a carbon black particle and 3-30% by volume of a solid lubricant particle relative to the total of the coating film is formed on at least one of the upper and lower surfaces of a piston ring. The carbon black particle may preferably contain a graphitized carbon black particle and/or a composite graphite black particle.
Bibliography:Application Number: CN200780043373