EP 2222947 A1 20100901 - CAST PISTON HAVING SUPPORTING RIBS, AND METHOD FOR THE PRODUCTION OF SUCH A PISTON
Title (en)
CAST PISTON HAVING SUPPORTING RIBS, AND METHOD FOR THE PRODUCTION OF SUCH A PISTON
Title (de)
GUSSKOLBEN MIT STÜTZRIPPEN UND VERFAHREN ZUR HERSTELLUNG EINES SOLCHEN KOLBENS
Title (fr)
PISTON EN FONTE AVEC NERVURES DE SOUTIEN, ET PROCÉDÉ DE FABRICATION D'UN TEL PISTON
Publication
Application
Priority
- EP 2008063225 W 20081002
- DE 102007058789 A 20071206
Abstract (en)
[origin: US2010307446A1] The invention relates to a cast piston for an internal combustion engine having a piston base, a cylindrical piston head connected to the piston base, and pin bores provided in an at least partially hollow piston shaft, which is positioned on the side of the piston head opposite the piston base. The piston has one or more supporting ribs located at least partially in the piston shaft, and at least one supporting rib has a recess on the side facing the piston base.
IPC 8 full level
F02F 3/00 (2006.01)
CPC (source: EP US)
F02F 3/0076 (2013.01 - EP US); Y10T 29/49988 (2015.01 - US)
Citation (search report)
See references of WO 2009071354A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
US 2010307446 A1 20101209; US 8662049 B2 20140304; AT E533934 T1 20111215; DE 102007058789 A1 20090610; EP 2222947 A1 20100901; EP 2222947 B1 20111116; ES 2377348 T3 20120326; PL 2222947 T3 20120330; WO 2009071354 A1 20090611
DOCDB simple family (application)
US 74640008 A 20081002; AT 08805008 T 20081002; DE 102007058789 A 20071206; EP 08805008 A 20081002; EP 2008063225 W 20081002; ES 08805008 T 20081002; PL 08805008 T 20081002