Fuel injection system and method for a premixture type internal

Details Fuel injection system and method for a premixture type internal Fuel injection system and method for a premixture type internal

1987-06-17

1988-11-08

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Fuel injection system

123478, 123 52MV, F02D 4162, F02M 5100

Patent

active

047828064

ABSTRACT:
A fuel injection system and method for injecting fuel into a chamber in an air intake manifold which is connected to plurality of engine cylinders by a plurality of branch passages. The fuel injection system controls separately an amount of fuel injected from an injector to each engine cylinder with configurations of the respective branch passages taken into account. That is to say, in the fuel injection system, at least one fuel injector is disposed so as to inject fuel into the chamber, timing of suction stroke of each engine cylinder is determined, and the amount of fuel supplied to each cylinder is set on the basis of the dimensions of the branch passage from the position of the fuel injector to a corresponding cylinder, and the amount of fuel injected through the fuel injector for each cylinder is calculated on the basis of the amount of fuel to be actually distributed to each cylinder. The fuel injector is actuated to inject fuel in the suction stroke of each cylinder, the amount of fuel injected being calculated on the basis of amount of fuel to be actually distributed to each cylinder.

REFERENCES:
patent: 4387429 (1983-06-01), Yamauchi et al.
patent: 4478190 (1984-10-01), Kawai
patent: 4485791 (1984-12-01), Sugo et al.
patent: 4491143 (1985-01-01), Yasuhara
patent: 4495924 (1985-01-01), Ueno et al.
patent: 4528956 (1985-07-01), Ogata et al.
patent: 4562817 (1986-01-01), Ito
patent: 4567868 (1986-02-01), Yasuhara

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