Apparatus and method for control of an internal combustion engin

Details Apparatus and method for control of an internal combustion engin Apparatus and method for control of an internal combustion engin

1996-02-23

1997-09-09

Dolinar, Andrew M.

Internal-combustion engines

Combustion chamber means combined with air-fuel mixture...

123424, 123425, 123435, F02D 4304

Patent

active

056645449

ABSTRACT:
Within a predetermined time immediately after start up, ignition timing is retarded within a range wherein the output fluctuations do not exceed a predetermined permissible limit. Subsequently under conditions after elapse of the predetermined time but when warm up has not yet been completed, air-fuel ratio is weakened within a range wherein the output fluctuations do not exceed a predetermined permissible limit. Then after warm up an exhaust gas recirculation amount is increased within a range wherein the output fluctuations do not exceed a predetermined permissible limit.

REFERENCES:
patent: 4364353 (1982-12-01), Fiala
patent: 4471736 (1984-09-01), Yoshida et al.
patent: 5027772 (1991-07-01), Hongo

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