EP 3619416 B1 20211013 - STEEL PISTON HAVING A PHOSPHATE LAYER
Title (en)
STEEL PISTON HAVING A PHOSPHATE LAYER
Title (de)
STAHLKOLBEN MIT EINER PHOSPHAT-SCHICHT
Title (fr)
PISTON EN ACIER POURVU D'UNE COUCHE DE PHOSPHATE
Publication
Application
Priority
- DE 102017207591 A 20170505
- EP 2018061497 W 20180504
Abstract (en)
[origin: WO2018202849A1] The invention relates to a steel piston for an internal combustion engine, comprising an amorphous phosphate layer in at least one region thereof. Said layer improves adhesion of a solid film lubricant.
IPC 8 full level
C23C 22/07 (2006.01); F02F 3/10 (2006.01)
CPC (source: EP RU US)
C23C 22/08 (2013.01 - EP RU); C23C 22/18 (2013.01 - US); C23C 22/83 (2013.01 - EP RU US); F02F 3/10 (2013.01 - EP RU US); C10N 2080/00 (2013.01 - EP)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
WO 2018202849 A1 20181108; BR 112019023182 A2 20200519; CN 110892142 A 20200317; CN 110892142 B 20221206; DE 102017207591 A1 20181108; EP 3619416 A1 20200311; EP 3619416 B1 20211013; PL 3619416 T3 20220307; RU 2019139407 A 20210607; RU 2019139407 A3 20211006; RU 2769041 C2 20220328; US 2020102656 A1 20200402
DOCDB simple family (application)
EP 2018061497 W 20180504; BR 112019023182 A 20180504; CN 201880029961 A 20180504; DE 102017207591 A 20170505; EP 18722516 A 20180504; PL 18722516 T 20180504; RU 2019139407 A 20180504; US 201816611030 A 20180504