Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1983-06-21
1984-06-19
Cox, Ronald B.
Internal-combustion engines
Charge forming device
Fuel injection system
123440, F02B 300
Patent
active
044548460
ABSTRACT:
In an internal-combustion engine disposed in a vehicle, when the engine is in an idle state and the vehicle speed is not equal to zero and is less than a predetermined value, the air-fuel ratio of the engine is controlled so that the air-fuel mixture is on the lean side of the stoichiometric air-fuel ratio. In addition, even after the vehicle speed becomes zero, the air-fuel ratio is controlled so that the air-fuel mixture is on the lean side for a predetermined time period.
REFERENCES:
patent: 4129105 (1978-12-01), Ito
patent: 4136645 (1979-01-01), Ito
Matsuda Yoshihiko
Suzuki Yukio
Cox Ronald B.
Toyota Jidosha & Kabushiki Kaisha
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