Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1982-06-23
1984-04-03
Dolinar, Andrew M.
Internal-combustion engines
Charge forming device
Fuel injection system
123493, F02D 502
Patent
active
044401191
ABSTRACT:
In an electronic fuel injecting method and device for an internal combustion engine, wherein a basic injection time is obtained in accordance with an intake pressure of the engine and an engine rotational speed, and, during transition, the basic injection time is corrected in accordance with the operating conditions of the engine so as to determine a fuel injection time, when a change in value of the intake pressure in every first predetermined time period exceeds a first criterion value, an increase correction for acceleration or a decrease correction for deceleration is effected, in case the change in value of the intake pressure in every first predetermined time period does not exceed the first criterion value, if a change in value of the intake pressure in every second predetermined time period being longer than the first predetermined time period exceeds a second criterion value, at least an increase correction for acceleration is effected, and if the change in value of the intake pressure does not exceed the second criterion value, neither an increase correction for acceleration nor a decrease correction for deceleration is effected, and further, if necessary, when the change in value of the intake pressure after the first predetermined time period has elapsed exceeds the first criterion value, the count starting point of the second predetermined time period is made to be the time at which the first predetermined time period has elapsed.
REFERENCES:
patent: 4184458 (1980-01-01), Aoki et al.
patent: 4245605 (1981-01-01), Rice et al.
patent: 4356803 (1982-11-01), Miyagi
patent: 4359993 (1982-11-01), Carlson
Isobe Toshiaki
Kobayashi Nobuyuki
Dolinar Andrew M.
Toyota Jidosha Kogyo Kabushiki Kaisha
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