EP 1001143 A3 20001206 - Valve control for intake and exhaust valves in internal combustion engines
Title (en)
Valve control for intake and exhaust valves in internal combustion engines
Title (de)
Ventilsteuerung für Ein- und Auslassventile von Verbrennungsmotoren
Title (fr)
Commande de soupape pour soupapes d'admission et d'échappement de moteur à combustion interne
Publication
Application
Priority
DE 19852209 A 19981112
Abstract (en)
[origin: EP1001143A2] The valve controller has at least one control element with which the inlet/outlet valve is opened and closed. At least one piezo element (1) actuates at least one valve element (3) that controls the input and output flow of a pressurized medium to at least one control piston (15) that is displaced by the pressurized medium against a countering force to open the valve (30).
IPC 1-7
IPC 8 full level
F01L 1/14 (2006.01); F01L 1/20 (2006.01); F01L 1/25 (2006.01); F01L 9/02 (2006.01); F01L 9/04 (2006.01); F01L 9/10 (2021.01); F01L 9/20 (2021.01); F16K 31/02 (2006.01)
CPC (source: EP US)
F01L 1/143 (2013.01 - EP US); F01L 1/25 (2013.01 - EP US); F01L 9/10 (2021.01 - EP US); F01L 9/20 (2021.01 - EP US)
Citation (search report)
- [XA] GB 2122257 A 19840111 - MOLONEY PAUL JULIAN
- [X] US 4724801 A 19880216 - O'NEILL CORMAC G [US]
- [X] GB 1569638 A 19800618 - ISHIKAWAJIMA HARIMA HEAVY IND
- [A] US 3727595 A 19730417 - LINKS H
- [A] US 5806474 A 19980915 - PAUL MARIUS A [US], et al
- [A] PATENT ABSTRACTS OF JAPAN vol. 009, no. 268 (M - 424) 25 October 1985 (1985-10-25)
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)
EP 1001143 A2 20000517; EP 1001143 A3 20001206; EP 1001143 B1 20050921; DE 19852209 A1 20000518; DE 59912577 D1 20060202; ES 2245495 T3 20060101; JP 2000161031 A 20000613; US 6374784 B1 20020423
DOCDB simple family (application)
EP 99121736 A 19991103; DE 19852209 A 19981112; DE 59912577 T 19991103; ES 99121736 T 19991103; JP 32335099 A 19991112; US 44165299 A 19991112