F - Mech Eng,Light,Heat,Weapons – 02 – D
Patent
F - Mech Eng,Light,Heat,Weapons
02
D
341/38.13
F02D 41/14 (2006.01)
Patent
CA 1248610
DOUBLE AIR-FUEL RATIO SENSOR SYSTEM HAVING IMPROVED RESPONSE CHARACTERISTICS ABSTRACT OF THE DISCLOSURE In a double air-fuel sensor system including two air-fuel ratio sensors upstream and downstream of a catalyst converter provided in an exhaust gas passage, an actual air-fuel ratio is adjusted in accordance with the outputs of the upstream-side air-fuel ratio sensor and the downstream-side air-fuel ratio sensor. The adjustment of the air-fuel ratio by the downstream-side air-fuel ratio sensor is stopped when the engine is in a predetermined state.
505724
Bessho Hironori
Chujo Yoshiki
Katsuno Toshiyasu
Kayanuma Nobuaki
Masui Takatoshi
Borden Ladner Gervais Llp
Toyota Jidosha Kabushiki Kaisha
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