Fuel injection control apparatus for internal combustion engine

Details Fuel injection control apparatus for internal combustion engine Fuel injection control apparatus for internal combustion engine

1990-01-18

1991-06-11

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

123494, F02D 4104

Patent

active

050223739

ABSTRACT:
A fuel injection control apparatus for an internal combustion engine includes a fuel injection valve, a throttle valve positioned in an inlet passage, a bypass passage communicating with the inlet passage downstream of the throttle valve, an arrangement for admitting ambient air into the bypass passage, and means for calculating a normally desired amount of fuel to be injected into the inlet passage by the fuel injection valve based on the air pressure in the bypass passage. In order to compensate for differences between the respective air pressures in the bypass passage and the downstream part of the inlet passage, means are provided for calculating an adjusted amount of fuel to be injected which is different from the normally desired amount of fuel.

REFERENCES:
patent: 4010717 (1977-03-01), Taplin
patent: 4313412 (1982-02-01), Hosaka et al.
patent: 4594987 (1986-06-01), Wataya et al.

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