EP 1666701 A4 20100407 - VALVE GEAR OF INTERNAL COMBUSTION ENGINE
Title (en)
VALVE GEAR OF INTERNAL COMBUSTION ENGINE
Title (de)
VENTILTRIEB FÜR VERBRENNUNGSMOTOR
Title (fr)
TRAIN DE SOUPAPES POUR MOTEUR THERMIQUE
Publication
Application
Priority
- JP 2004012191 W 20040825
- JP 2003208562 A 20030825
Abstract (en)
[origin: EP1666701A1] A valve gear of an internal combustion engine, wherein when a zone for one of the positive and negative accelerations of a rotating cam is set to be used by a ramp part, the ramp part is formed in a curved shape so that the lift amount of a swing cam per unit swing angle can generate the other positive or negative acceleration so that a valve lift speed at the portion of the valve corresponding to the ramp part is made generally constant.
IPC 8 full level
F01L 1/08 (2006.01); F01L 13/00 (2006.01)
CPC (source: EP US)
F01L 1/08 (2013.01 - EP US); F01L 13/0021 (2013.01 - EP US); F01L 13/0063 (2013.01 - EP US); F01L 2013/0068 (2013.01 - EP US); F01L 2305/00 (2020.05 - EP US)
Citation (search report)
- [Y] GB 629629 A 19490923 - AUSTIN MOTOR CO LTD, et al
- [Y] US 6055949 A 20000502 - NAKAMURA MAKOTO [JP], et al
- See references of WO 2005019607A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1666701 A1 20060607; EP 1666701 A4 20100407; CA 2537162 A1 20050303; JP 2005069014 A 20050317; US 2006207533 A1 20060921; WO 2005019607 A1 20050303
DOCDB simple family (application)
EP 04772152 A 20040825; CA 2537162 A 20040825; JP 2003208562 A 20030825; JP 2004012191 W 20040825; US 36346006 A 20060227