Global Patent Index - EP 0697513 B1

EP 0697513 B1 19980923 - Composite piston for internal combustion engine

Title (en)

Composite piston for internal combustion engine

Title (de)

Gebauter Kolben für Verbrennungsmotoren

Title (fr)

Piston composite pour moteur à combustion interne

Publication

EP 0697513 B1 19980923 (DE)

Application

EP 95109581 A 19950621

Priority

DE 4429489 A 19940819

Abstract (en)

[origin: EP0697513A1] The internal combustion engine piston includes an upper section (1) made of ferrous material, together with a lower section (4) made of light metal or cast iron. The two sections are joined together via axial screws (3) through gilled flat connecting surfaces (2,7). At least one of the connecting surfaces is covered with a coating layer (6) comprising a solid lubricant such as graphite, bonded in hardened resin. The coating layer has a thickness of between 10 and 30 mm. and may be applied by spraying, painting or screen printing.

IPC 1-7

F02F 3/00

IPC 8 full level

F02F 3/00 (2006.01); F02F 3/22 (2006.01); F02B 3/06 (2006.01)

CPC (source: EP)

F02F 3/0023 (2013.01); F02F 3/22 (2013.01); F02B 3/06 (2013.01)

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

EP 0697513 A1 19960221; EP 0697513 B1 19980923; DE 4429489 A1 19960222; DE 59503675 D1 19981029; JP 3723608 B2 20051207; JP H0868358 A 19960312

DOCDB simple family (application)

EP 95109581 A 19950621; DE 4429489 A 19940819; DE 59503675 T 19950621; JP 20888195 A 19950816