Fuel supply control arrangement for an internal combustion engin

Details Fuel supply control arrangement for an internal combustion engin Fuel supply control arrangement for an internal combustion engin

1987-04-29

1988-12-27

Dolinar, Andrew M.

Internal-combustion engines

Charge forming device

Fuel injection system

123489, F02D 4104

Patent

active

047933127

ABSTRACT:
A fuel supply control arrangement for use in an internal combustion engine, which is so adapted that, in the arrangement to decrease the air/fuel ratio, i.e., to enrich the air/fuel mixture at a specific operating region by increasing the amount of fuel supply, upon transfer into the specific operating region, the fuel is once increased to an amount more than a regular fuel amount for obtaining an air/fuel ratio set in the specific operating region, so as to be restored thereafter to the regular fuel amount, whereby undesirable leaning of the air/fuel mixture at an early stage of transfer into the specific operating state, arising from adhesion of fuel onto an intake passage wall surface can be prevented.

REFERENCES:
patent: 4143623 (1979-03-01), Norimatsu et al.
patent: 4357923 (1982-11-01), Hideg
patent: 4416237 (1983-11-01), Aoki et al.
patent: 4454847 (1984-06-01), Isomura et al.
patent: 4488529 (1984-12-01), Nishida et al.

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