EP 1023527 A1 20000802 - EXHAUST VALVE FOR INTERNAL COMBUSTION ENGINES
Title (en)
EXHAUST VALVE FOR INTERNAL COMBUSTION ENGINES
Title (de)
AUSLASSVENTIL FÜR BRENNKRAFTMASCHINEN
Title (fr)
SOUPAPE D'ECHAPPEMENT POUR MOTEURS A COMBUSTION INTERNE
Publication
Application
Priority
- NO 9800254 W 19980826
- NO 973949 A 19970827
Abstract (en)
[origin: WO9910630A1] An exhaust valve for internal combustion engines comprises a cylindrical valve stem (1) with a longitudinal cooling duct (2), and a circular, substantially disc-shaped head (3) securely connected to the valve stem (1), the head (3) having at least one cooling duct (4) which extends from the bottom (5) of the valve stem's cooling duct (2) to an outlet (6) on the head's surface (7), in order to conduct coolant through the valve stem (1), through the head (3) to exhaust gases from the engine. In the valve stem's cooling duct (2) there is inserted a cross section-reducing insert (8).
IPC 1-7
IPC 8 full level
F01L 3/16 (2006.01)
CPC (source: EP KR)
F01L 3/16 (2013.01 - EP KR)
Citation (search report)
See references of WO 9910630A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 9910630 A1 19990304; AU 9008898 A 19990316; CA 2302348 A1 19990304; CN 1277654 A 20001220; EP 1023527 A1 20000802; JP 2001516833 A 20011002; KR 20010023374 A 20010326; NO 306074 B1 19990913; NO 973949 D0 19970827; NO 973949 L 19990301
DOCDB simple family (application)
NO 9800254 W 19980826; AU 9008898 A 19980826; CA 2302348 A 19980826; CN 98810576 A 19980826; EP 98941935 A 19980826; JP 2000507920 A 19980826; KR 20007002013 A 20000226; NO 973949 A 19970827