Fuel control apparatus for an automobile engine equipped with an

Details Fuel control apparatus for an automobile engine equipped with an Fuel control apparatus for an automobile engine equipped with an

1974-07-15

1977-04-05

Husar, C. J.

Power plants

Internal combustion engine with treatment or handling of...

Having sensor or indicator of malfunction, unsafeness, or...

60285, 123198DB, 123198F, F02B 7510

Patent

active

040154289

ABSTRACT:
An improved fuel control apparatus for installation on an automobile engine equipped with an electronically controlled fuel injection system and a catalytic exhaust gas purifying system to prevent excess uncombusted fuel from being carried over into the catalytic purifier and burning therein with a resultant damage thereto. The apparatus essentially comprises a plurality of solenoid valves each associated with one of a plurality of fuel injection nozzles, a device for alternately energizing the solenoid valves to close to selectively stop the supply of fuel to one of the fuel injection nozzles upon elevation of the purifier temperature above a predetermined level, and a device for detecting the temperature of the catalytic purifier and transmitting only in case of elevation of the purifier temperature above a predetermined level a signal which enables the solenoid valve energizing device to function.

REFERENCES:
patent: 3101617 (1963-08-01), Brinson
patent: 3472068 (1969-10-01), List et al.
patent: 3576182 (1971-04-01), Howland
patent: 3820198 (1974-06-01), Scofield
patent: 3851469 (1974-12-01), Eichler et al.
patent: 3916622 (1975-11-01), Gospodar

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