EP 0275841 A3 19900131 - PROCESS FOR OBTAINING A VALVE SEAT
Title (en)
PROCESS FOR OBTAINING A VALVE SEAT
Publication
Application
Priority
IT 6796386 A 19861223
Abstract (en)
[origin: EP0275841A2] The invention concerns a process for obtaining a valve seat (3) in an intake duct of an internal combustion engine in which the finishing milling of the duct is eliminated, thus obtaining improvements in engine performance.
IPC 1-7
IPC 8 full level
F01L 3/22 (2006.01); F02F 1/42 (2006.01); F02F 1/24 (2006.01)
CPC (source: EP)
F01L 3/22 (2013.01); F02F 1/4235 (2013.01); F02F 2001/245 (2013.01)
Citation (search report)
- [A] AT 331575 B 19760825 - LIST HANS [AT], et al
- [A] AT 378827 B 19851010 - AVL VERBRENNUNGSKRAFT MESSTECH [ST]
- [A] GB 1042147 A 19660914 - HUMBER LTD, et al
- [A] GB 1494244 A 19771207 - MASCHF AUGSBURG NUERNBERG AG
- [A] DE 2048567 A1 19710415
- [A] FR 822334 A 19371228
Designated contracting state (EPC)
DE ES FR GB SE
DOCDB simple family (publication)
EP 0275841 A2 19880727; EP 0275841 A3 19900131; BR 8706933 A 19880726; IT 1196870 B 19881125; IT 8667963 A0 19861223; YU 229087 A 19900228; YU 47052 B 19941228
DOCDB simple family (application)
EP 87830446 A 19871217; BR 8706933 A 19871216; IT 6796386 A 19861223; YU 229087 A 19871216