Device for controlling the increased fuel supply for engines

Details Device for controlling the increased fuel supply for engines Device for controlling the increased fuel supply for engines

1985-12-03

1987-08-04

Cox, Ronald B.

Internal-combustion engines

Charge forming device

Fuel injection system

123438, F02M 712

Patent

active

046838600

ABSTRACT:
A device for increasing an amount of fuel to be supplied to an engine includes a fuel increasing mechanism for supplying an added amount of fuel to the engine, and an electric control circuit including a low-temperature sensor for detecting a low temperature of the engine to produce a first signal capable of actuating the fuel increasing mechanism, and a neutral-gear-condition detector for detecting the neutral-gear-condition of a gear transmission associated with the engine to produce a second signal. The fuel increasing mechanism is inactivated in response to the second signal from the neutral-gear-condition sensor by overriding the low-temperature sensor to prevent the increase of fuel while the gear transmission is in neutral. A second embodiment employs additional sensors for air temperature, engine r.p.m., vehicle speed and the park-condition of an automatic transmission also for controlling the fuel increase.

REFERENCES:
patent: 3744346 (1973-07-01), Minck
patent: 4266522 (1981-05-01), Williams
patent: 4563990 (1986-01-01), Kishida

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