Electronically controlled fuel injection system for internal com

Details Electronically controlled fuel injection system for internal com Electronically controlled fuel injection system for internal com

1977-07-01

1979-07-10

Myhre, Charles J.

Internal-combustion engines

Noncompression

123117D, F02B 502

Patent

active

041604296

ABSTRACT:
An electronically controlled fuel injection system in which terminating fuel injection is improved is disclosed. A reference position detector is adapted to generate a synchronizing signal at the predetermined angular position of an engine. A first computing circuit is connected to compute the required fuel injection interval in response to the synchronizing signal and a second computing circuit is connected to compute the rotation interval between two synchronizing signals successively generated. A further computing circuit is connected to compute the time interval which is equal to the difference between the rotation interval and the injection interval. The fuel injection is started when the time interval computed by the further computing circuit has passed after the generation of the synchronizing signal and is attained during the computed injection interval, whereby the fuel injection is terminated at the same position as the predetermined angular position.

REFERENCES:
patent: 3986006 (1976-10-01), Kawai et al.
patent: 4034720 (1977-07-01), Noguchi et al.

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