Fuel-injection internal combustion engine

Details Fuel-injection internal combustion engine Fuel-injection internal combustion engine

1977-03-07

1978-08-22

Myhre, Charles J.

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

123198F, 123 32EE, F01N 315, F02D 1306

Patent

active

041079213

ABSTRACT:
An automotive multiple-cylinder fuel-injection internal combustion engine comprising a plurality of power cylinders, air intake means for supplying air to each group of power cylinders, exhaust passageways each leading from each group of power cylinders, two branch passageways leading from each of the exhaust passageways, an exhaust-gas processing device in communication with one of the branch passageways leading from each of the exhaust passageways, air-fuel ratio control means adapted to control the air-to-fuel ratio of the air-fuel mixture toward a predetermined value or range in accordance with a signal representative of the concentration of oxygen in the exhaust gases discharged from the power cylinders in operative conditions, and cylinder cut-off control means responsive to the load on the engine for bringing at least one group of power cylinders into inoperative conditions when the load on the engine is diminished, the exhaust passageway being provided with valve means so that only the exhaust gases from the power cylinders in operative conditions are passed through one of the branch passageways to the exhaust-gas processing means.

REFERENCES:
patent: 3192706 (1965-07-01), Dolza
patent: 3645098 (1972-02-01), Templin et al.
patent: 3988891 (1976-11-01), Hayler
patent: 4007590 (1977-02-01), Nagai et al.
patent: 4024850 (1977-05-01), Peter et al.

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