Fuel supply control system for an engine

Details Fuel supply control system for an engine Fuel supply control system for an engine

1990-06-14

1991-03-12

Nelli, Raymond A.

Internal-combustion engines

Engine speed regulator

Engine speed reduction by fuel cutoff

F02D 3300

Patent

active

049985191

ABSTRACT:
A fuel supply control system for an engine has an engine speed sensor for producing an engine speed signal and a sensor for sensing temperature of coolant and for producing a coolant temperature dependent on the temperature signal. A predetermined fuel cutoff engine speed, above which bouncing of intake and exhaust valves of the engine occurs, is set in accordance with the coolant temperature to a value which increases with increase of the temperature. When engine speed exceeds the fuel cutoff engine speed, the fuel supply is cut off.

REFERENCES:
patent: 4058106 (1977-11-01), Drews et al.
patent: 4506638 (1985-03-01), Horii et al.
patent: 4598679 (1986-07-01), Ohkumo et al.
patent: 4615316 (1986-10-01), Yasuhara
patent: 4638781 (1987-01-01), Shiki et al.

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