Transition fuel multiplier

Details Transition fuel multiplier Transition fuel multiplier

1990-05-14

1991-04-02

Wolfe, Willis R.

Internal-combustion engines

Combustion chamber means having fuel injection only

Using multiple injectors or injections

123478, 123492, F02D 4104

Patent

active

050039440

ABSTRACT:
The present invention is a method of firing fuel injectors for an engine of an automotive vehicle. The method includes the steps of determining whether injection timing for firing fuel injectors has changed from one predetermined state to another predetermined state of a distributor reference signal, firing the injectors for a predetermined time period and delivering a calculated amount of fuel for the one predetermined state if the injection timing has not changed. The method also includes determining whether a need for transition fuel has ended if the injection timing has changed and firing the fuel injectors for another predetermined time period and delivering a calculated amount of transition fuel at another predetermined state if the need for transition fuel has not ended. The method further includes firing the fuel injectors for another predetermined time period and delivering a calculated amount of fuel for the another predetermined state either after completion of the firing of transition fuel or if the need for transition fuel has ended.

REFERENCES:
patent: 3749065 (1973-07-01), Rothfusz et al.
patent: 4602603 (1986-07-01), Honkanen et al.
patent: 4640253 (1987-02-01), Kamai
patent: 4718387 (1988-01-01), Shinchi et al.
patent: 4721086 (1988-01-01), Scarnera et al.
patent: 4785784 (1988-11-01), Nanyoshi et al.
patent: 4889100 (1989-12-01), Nakaniwa et al.
patent: 4915078 (1990-04-01), Sonoda et al.

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