EP 0653015 A1 19950517 - VALVES AND VALVE TIMING FOR INTERNAL COMBUSTION ENGINE.
Title (en)
VALVES AND VALVE TIMING FOR INTERNAL COMBUSTION ENGINE.
Title (de)
VENTILE UND VENTILSTEUERUNG FÜR BRENNKRAFTMASCHINE.
Title (fr)
SOUPAPES ET DISTRIBUTION DE SOUPAPES POUR MOTEUR A COMBUSTION INTERNE.
Publication
Application
Priority
- IT BA920023 A 19920727
- US 9306952 W 19930727
Abstract (en)
[origin: WO9402717A1] An exhaust valve assembly (30) selectively covers an exhaust manifold (42) circumferentially located about a top wall of a cylinder (20) without interfering with segments of a piston (21). The exhaust valve assembly includes a ring-shaped portion (22b) of a cylinder lining which is configured to selectively obstruct air from escaping radially from the top of the cylinder. The exhaust manifold (42) is opened and closed by the lifting of the exhaust valve assembly (30) by a vertical guillotine-type motion. An intake valve assembly (50) is provided on a cylinder head (26) and has a ring or washer shape. The timing of both valves is facilitated by a single spring (100) and induction and exhaust gear-like, planar timing bearings (70, 110). Each of the induction timing bearing (70) and the exhaust timing bearing (110) have a caming surface provided thereon to face the other bearing. The induction timing bearing (70) and the exhaust timing bearing are followed by respective roller tappets (72, 112). The valving and timing arrangement facilitate the flexibility in the design of a combustion chamber (21a).
IPC 1-7
IPC 8 full level
F01L 1/12 (2006.01); F01L 1/26 (2006.01); F01L 3/20 (2006.01); F01L 5/04 (2006.01); F01L 9/04 (2006.01); F02F 1/24 (2006.01); F02F 1/42 (2006.01)
CPC (source: EP)
F01L 3/20 (2013.01); F01L 5/045 (2013.01)
Designated contracting state (EPC)
BE CH DE ES FR GB IT LI MC NL SE
DOCDB simple family (publication)
WO 9402717 A1 19940203; AU 4993393 A 19940214; BR 9306805 A 19981208; CA 2141187 A1 19940203; CA 2141187 C 20060620; DE 69327104 D1 19991230; DE 69327104 T2 20000720; EP 0653015 A1 19950517; EP 0653015 A4 19971229; EP 0653015 B1 19991124; ES 2141772 T3 20000401; IT 1263277 B 19960805; IT BA920023 A0 19920727; IT BA920023 A1 19940128; JP H08501612 A 19960220
DOCDB simple family (application)
US 9306952 W 19930727; AU 4993393 A 19930727; BR 9306805 A 19930727; CA 2141187 A 19930727; DE 69327104 T 19930727; EP 93919830 A 19930727; ES 93919830 T 19930727; IT BA920023 A 19920727; JP 50472494 A 19930727