Global Patent Index - EP 1022351 A1

EP 1022351 A1 2000-07-26 - Plasma sprayed layer on cylinder bores of engine blocks

Title (en)

Plasma sprayed layer on cylinder bores of engine blocks

Title (de)

Durch Plasmaspritzen aufgebrachte Schicht für Zylinderlaufflächen von Motorblöcken und Verfahren zu deren Herstellung

Title (fr)

Couche déposée par jet de plasma sur des alésages de cylindres de blocs moteur

Publication

EP 1022351 A1 (DE)

Application

EP 99811122 A

Priority

  • CH 9199 A
  • CH 24599 A

Abstract (en)

Iron-containing layer applied by plasma spraying contains 1-4 wt.% bound oxygen. An Independent claim is also included for a process for the production of layers comprising injecting an amount of air of 200-1000 NLPM during plasma spraying.

Abstract (de)

Durch Plasmaspritzen aufgebrachte eisenhaltige Schichten für Zylinderlaufflächen von Motorblöcken, welche einen Gehalt an gebundenem Sauerstoff 1 bis 4 Gewichts-% aufweisen, zeichnen sich bezüglich Bearbeitbarkeit und Tribologie durch hervorragende Eigenschaften aus. Insbesondere sind die Reibungskoeffizienten und die Neigung zum Scuffing drastisch verringert. Derartige Schichten werden u.a. hergestellt, indem während des Plasmaspritzens eine Luftmenge von 200 bis 1000 NLPM zugegeben wird.

IPC 1-7 (main, further and additional classification)

C23C 4/08; C23C 4/16

IPC 8 full level (invention and additional information)

F02F 1/00 (2006.01); C23C 4/04 (2006.01); C23C 4/08 (2006.01); C23C 4/16 (2006.01)

CPC (invention and additional information)

C23C 4/16 (2013.01); C23C 4/08 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 1022351 A1 20000726; EP 1022351 B1 20040519; EP 1022351 B2 20090225; AT 267275 T 20040615; AT 365814 T 20070715; CA 2296155 A1 20000719; CA 2296155 C 20040914; CA 2296155 E 20090414; DE 59909522 D1 20040624; DE 59914394 D1 20070809; EP 1507020 A2 20050216; EP 1507020 A3 20050420; EP 1507020 B1 20070627; ES 2221343 T3 20041216; ES 2221343 T5 20090612; ES 2288232 T3 20080101; JP 2000212717 A 20000802; JP 2007191795 A 20070802; JP 3967511 B2 20070829; JP 4644687 B2 20110302; PT 1022351 E 20041029; PT 1507020 E 20070713; US 2002051851 A1 20020502; US 6548195 B1 20030415; US 6572931 B2 20030603

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