EP 1778965 A1 20070502 - COOLING DUCT PISTON FOR AN INTERNAL COMBUSTION ENGINE COMPRISING HEAT PIPES
Title (en)
COOLING DUCT PISTON FOR AN INTERNAL COMBUSTION ENGINE COMPRISING HEAT PIPES
Title (de)
KÜHLKANALKOLBEN FÜR EINEN VERBRENNUNGSMOTOR MIT WÄRMEROHREN
Title (fr)
PISTON A CONDUIT DE REFROIDISSEMENT DESTINE A UN MOTEUR A COMBUSTION INTERNE ET MUNI DE CALODUCS
Publication
Application
Priority
- DE 2005001411 W 20050810
- DE 102004038946 A 20040811
Abstract (en)
[origin: WO2006015585A1] Disclosed is a cooling duct piston for an internal combustion engine comprising heat pipes. In order to improve dissipation of heat from the thermally loaded piston areas while preventing thermal tensions, liquid-filled heat pipes (6) that are provided with an evaporator end (6a) and a condenser end (6b) are disposed in bores (5) of the cooling duct (7) which are oriented towards the bottom of the piston. Said heat pipes (6) are arranged such that the evaporator ends (6a) terminate at the end of the bores which faces the piston bottom while the condenser ends (6b) terminate in the closed cooling duct (7).
IPC 8 full level
CPC (source: EP KR US)
F02F 3/16 (2013.01 - KR); F02F 3/18 (2013.01 - EP US); F02F 3/22 (2013.01 - EP KR US); F01P 2003/2278 (2013.01 - EP US); F05C 2251/048 (2013.01 - EP US)
Citation (search report)
See references of WO 2006015585A1
Designated contracting state (EPC)
DE ES FR GB IT
DOCDB simple family (publication)
DE 102004038946 A1 20060223; BR PI0514305 A 20080610; CN 101018942 A 20070815; EP 1778965 A1 20070502; JP 2008509338 A 20080327; JP 4909269 B2 20120404; KR 101210098 B1 20121207; KR 20070050068 A 20070514; US 2007251487 A1 20071101; US 7603977 B2 20091020; WO 2006015585 A1 20060216
DOCDB simple family (application)
DE 102004038946 A 20040811; BR PI0514305 A 20050810; CN 200580030325 A 20050810; DE 2005001411 W 20050810; EP 05774024 A 20050810; JP 2007525163 A 20050810; KR 20077005457 A 20050810; US 65998605 A 20050810