Fuel supply devices for internal combustion engines

Details Fuel supply devices for internal combustion engines Fuel supply devices for internal combustion engines

1978-11-08

1980-10-14

Myhre, Charles J.

Internal-combustion engines

Charge forming device

Having fluidic logic control means

123443, 123585, 261 23A, 60276, F02M 700

Patent

active

042274966

ABSTRACT:
A fuel supply device for an internal combustion engine having at least two groups of combustion chambers, each group having a separate exhaust pipe, comprises a carburettor which delivers a mixture whose air/fuel ratio is adjusted responsive to the composition of the exhaust gases of the "richer" group. The carburettor is connected to a manifold having two branches each associated with one group. The branch feeding the "leaner" group is provided with an air/fuel ratio correction circuit comprising a solenoid valve controlled by a circuit whose input detector is located in the exhaust pipe of the "leaner" group.

REFERENCES:
patent: 4000614 (1977-01-01), Abthoff et al.
patent: 4051672 (1977-10-01), Masaki et al.
patent: 4088100 (1978-05-01), Tokura et al.
patent: 4125098 (1978-11-01), Kiyota
patent: 4134261 (1979-01-01), Iizuka et al.

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