EP 0359791 B1 19920129 - PROCESS AND SYSTEM FOR ADJUSTING THE LAMBDA VALUE
Title (en)
PROCESS AND SYSTEM FOR ADJUSTING THE LAMBDA VALUE
Publication
Application
Priority
DE 3808696 A 19880316
Abstract (en)
[origin: WO8908777A1] Process and system for adjusting the lambda value of the air/fuel mixture to be supplied to an internal combustion engine, whereby the throttle valve is adjusted so that lean operation is obtained in the lower load region, whereas stoichiometric operation (lambda = 1) is obtained in the upper load region.
IPC 1-7
IPC 8 full level
F02D 41/04 (2006.01); F02D 41/14 (2006.01)
CPC (source: EP KR US)
F02D 41/14 (2013.01 - KR); F02D 41/1479 (2013.01 - EP US); F02D 41/1486 (2013.01 - EP US)
Citation (examination)
- EP 0176967 A2 19860409 - MAZDA MOTOR [JP]
- Patent Abstracts of Japan, vol.11,no.321 1,4,8 (M-633) (2768) 20 October 1987
- Patent Abstracts of Japan, vol. 10, No.311 1,3,5,6,9,10 (M528) (2367) 23 October 1986
Designated contracting state (EPC)
DE GB
DOCDB simple family (publication)
WO 8908777 A1 19890921; DE 3808696 A1 19891005; DE 58900795 D1 19920312; EP 0359791 A1 19900328; EP 0359791 B1 19920129; JP 3048587 B2 20000605; JP H02503460 A 19901018; KR 0137222 B1 19980425; KR 900700740 A 19900816; US 5014668 A 19910514
DOCDB simple family (application)
DE 8900099 W 19890223; DE 3808696 A 19880316; DE 58900795 T 19890223; EP 89902627 A 19890223; JP 50243289 A 19890223; KR 890702125 A 19891115; US 44585789 A 19891115