Internal combustion engine fuel injection control system

Details Internal combustion engine fuel injection control system Internal combustion engine fuel injection control system

1976-02-05

1977-09-06

Feinberg, Samuel

Internal-combustion engines

Noncompression

123139E, F02B 300

Patent

active

040461130

ABSTRACT:
An i.c. engine fuel injection control includes a corona-discharge type transducer for measuring the mass of air aspirated by the engine. Since such a transducer is humidity sensitive a compensation circuit is provided for automatically applying a humidity correction to the control circuit which is used to control the quantity of fuel injected as a function of the transducer output. This control circuit includes an integrator to which the transducer output is periodically applied and a current source which periodically discharges the integrator, the time taken to discharge determining the quantity of fuel injected. The current source is controlled by the humidity sensitive means, to obtain the required compensation.

REFERENCES:
patent: 3523244 (1970-08-01), Goodman et al.
patent: 3732854 (1973-05-01), Murtin
patent: 3810389 (1974-05-01), Jason
patent: 3831563 (1974-08-01), Bittain et al.
patent: 3898882 (1975-08-01), Prokopius

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