EP 2663760 A1 20131120 - PISTON FOR USE IN INTERNAL COMBUSTION ENGINES
Title (en)
PISTON FOR USE IN INTERNAL COMBUSTION ENGINES
Title (de)
KOLBEN ZUM EINSATZ IN VERBRENNUNGSMOTOREN
Title (fr)
PISTON À UTILISER DANS DES MOTEURS À COMBUSTION INTERNE
Publication
Application
Priority
- DE 102011002653 A 20110113
- EP 2012050347 W 20120111
Abstract (en)
[origin: WO2012095445A1] Piston for use in internal combustion engines, having a piston skirt composed of skirt walls (12) and box walls (16), said walls enclosing a recess (20), wherein the at least one skirt wall (12) is provided for use on the pressure side of the piston (10) in the installed state. Said piston is in particular characterized in that, in at least one partial region (22) of at least one skirt wall (12) provided for use on the pressure side of the piston (10), the recess (20) is in substantially the shape of a parabola, a section of an ellipse or a catenoid, wherein said parabola, said section of an ellipse or said catenoid lies in a plane substantially parallel to the piston crown.
IPC 8 full level
CPC (source: EP KR US)
F02F 3/00 (2013.01 - EP KR US); F02F 3/02 (2013.01 - KR); F02F 3/022 (2013.01 - EP US)
Citation (search report)
See references of WO 2012095445A1
Citation (examination)
EP 0430362 A1 19910605 - AE PISTON PRODUCTS [GB]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
WO 2012095445 A1 20120719; BR 112013017725 A2 20161011; CN 103443432 A 20131211; DE 102011002653 A1 20120719; EP 2663760 A1 20131120; JP 2014507588 A 20140327; KR 20140016887 A 20140210; MX 2013008004 A 20130821; RU 2013137755 A 20150220; US 2013333657 A1 20131219; US 8955488 B2 20150217
DOCDB simple family (application)
EP 2012050347 W 20120111; BR 112013017725 A 20120111; CN 201280005441 A 20120111; DE 102011002653 A 20110113; EP 12700127 A 20120111; JP 2013548822 A 20120111; KR 20137020548 A 20120111; MX 2013008004 A 20120111; RU 2013137755 A 20120111; US 201213979692 A 20120111