Global Patent Index - EP 0931172 B1

EP 0931172 B1 20011212 - COATED WEAR RESISTING PISTON RINGS FOR INTERNAL COMBUSTION ENGINES AND METHOD FOR THEIR PRODUCTION

Title (en)

COATED WEAR RESISTING PISTON RINGS FOR INTERNAL COMBUSTION ENGINES AND METHOD FOR THEIR PRODUCTION

Title (de)

VERSCHLEISSFESTE, BESCHICHTETE KOLBENRINGE, KOLBENRINGE FÜR VERBRENNUNGSKRAFTMASCHINEN UND VERFAHREN ZU DEREN HERSTELLUNG

Title (fr)

SEGMENTS DE PISTON REVETUS RESISTANTS A L'USURE POUR MOTEURS A COMBUSTION INTERNE ET PROCEDE DE PRODUCTION CORRESPONDANT

Publication

EP 0931172 B1 20011212 (DE)

Application

EP 97912019 A 19970925

Priority

  • DE 9702205 W 19970925
  • DE 19640789 A 19961002

Abstract (en)

[origin: DE19640789A1] The invention relates to coated wear resisting parts for internal combustion engines, specially piston rings, and the method for their production. The parts disclosed in the invention are specially advantageous when used in modern designed motors. According to the invention, said wear resisting parts are characterized by a 50 to 400 mu m thick coating applied by thermal spraying on the surface of the part subjected to wear. The coating is characterized by the fact that several cubic hard material phases containing Ti and C and/or Ti and a second metal and carbon, and a metal binder phase can be demonstrated. According to the invention, said parts are produced by applying the coating using plasma spraying on air or high speed flame spraying.

IPC 1-7

C23C 4/06; F02F 5/00

IPC 8 full level

F02F 5/00 (2006.01); C23C 4/06 (2016.01)

CPC (source: EP)

C23C 4/06 (2013.01)

Designated contracting state (EPC)

DE ES FR GB IT PT SE

DOCDB simple family (publication)

DE 19640789 A1 19980416; DE 19640789 C2 20020131; AU 4940297 A 19980424; BR 9711841 A 20000118; DE 59705801 D1 20020124; EP 0931172 A1 19990728; EP 0931172 B1 20011212; ES 2168618 T3 20020616; JP 2001503816 A 20010321; PT 931172 E 20020628; WO 9814628 A1 19980409

DOCDB simple family (application)

DE 19640789 A 19961002; AU 4940297 A 19970925; BR 9711841 A 19970925; DE 59705801 T 19970925; DE 9702205 W 19970925; EP 97912019 A 19970925; ES 97912019 T 19970925; JP 51613198 A 19970925; PT 97912019 T 19970925