Global Patent Index - EP 1729003 B1

EP 1729003 B1 20091223 - Piston for an internal combustion engine

Title (en)

Piston for an internal combustion engine

Title (de)

Kolben für Brennkraftmaschine

Title (fr)

Piston pour un moteur à combustion interne

Publication

EP 1729003 B1 20091223 (DE)

Application

EP 06010563 A 20060523

Priority

DE 102005026664 A 20050602

Abstract (en)

[origin: EP1729003A2] The piston has a piston casing with polytetrafluoroethylene free lacquer section applied based on PAI as slipping coating, where the section has 5 - 25 micrometer (mm) thickness. The PAI has 5 -15 weight percentage of zinc sulfide and 5-15 weight percentage of graphite or molybdenum disulfide and 5-15 weight percentage of titanium di oxide. The zinc sulfide and titanium di oxide exist a particle size of same and greater than 0.7 (mm). The lacquer section has a thickness of about 8 - 20 micrometer, and the piston is made of aluminum alloy.

IPC 8 full level

F02F 3/10 (2006.01)

CPC (source: EP)

F02F 3/10 (2013.01); F05C 2201/021 (2013.01); F05C 2201/903 (2013.01); F05C 2225/06 (2013.01); F05C 2253/12 (2013.01)

Designated contracting state (EPC)

DE ES FR GB IT

DOCDB simple family (publication)

EP 1729003 A2 20061206; EP 1729003 A3 20070829; EP 1729003 B1 20091223; DE 102005026664 A1 20061207; DE 102005026664 B4 20080124; DE 502006005712 D1 20100204

DOCDB simple family (application)

EP 06010563 A 20060523; DE 102005026664 A 20050602; DE 502006005712 T 20060523