Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1982-03-08
1985-05-21
Lall, Parshotam S.
Internal-combustion engines
Charge forming device
Fuel injection system
123 52MF, 123443, F02M 5100
Patent
active
045179476
ABSTRACT:
A multiple cylinder engine including a first group of cylinders having a first intake passage which is provided with a air-fuel mixture of a predetermined ratio in accordance with the signal from an exhaust gas sensor provided in the exhaust passage from the first group of cylinders. The engine further includes a second group of cylinders having a second intake passage which is provided with a mixture having an air-fuel ratio which is of a predetermined relationship with respect to the air-fuel ratio of the mixture provided to the first group of cylinders, the predetermined relationship being determined in accordance the engine operating condition. Check valves are provided in the intake passages to prevent the mixture in the first intake passage from being mixed with that in the second intake passage so that accurate control can be ensured.
REFERENCES:
patent: 3814069 (1974-06-01), Croft et al.
patent: 3910240 (1975-10-01), Omori et al.
patent: 4114374 (1978-09-01), Tanahashi
patent: 4357828 (1982-11-01), Nakawo
patent: 4401081 (1983-08-01), Wessel et al.
Kaneko Tadashi
Nishikawa Toshio
Othuka Kazutoshi
Lall Parshotam S.
Mazda Motor Corporation
Wolfe W. R.
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