国家/地区 中国（5）
IPC部 C（5）
IPC大类 F02（5）
IPC小类 F02F（5） C23C（2） C25D（2）
IPC F02F003/00（5）
发明人 ZHANG D（3）
公开年 2017（5）
申请年 2016（4） 
专利权人 WUXI MINGSHE.（3）

Preparation of modified carbon-based composite piston used for preparing internal combustion engine involves impregnating piston preform in graphene modified phenolic resin solution via precursor impregnation pyrolysis.

LUO R, LONG W

Graphene surface-modified abrasion-resistant steel oil ring, in which a layer of graphene film is prepared on the surface of the oil ring with a specified thickness.

CHEN Y, MO D, MA A, SONG D, SUN J

Self-lubricating cylinder piston has preset thickness, and is formed by performing plasma-spraying nickel coating on graphene coating.

ZHANG D

Cylinder piston comprises graphene nickel base compound plating layer provided on piston surface.

ZHANG D

Self-lubricating cylinder piston comprises piston surface having nano h-boron nitride and graphene plasma coating of determined thickness.

ZHANG D