Fuel supply control for internal combustion engine by intake air

Details Fuel supply control for internal combustion engine by intake air Fuel supply control for internal combustion engine by intake air

1996-12-05

1998-05-12

Argenbright, Tony M.

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

123458, 123497, F02M 3708

Patent

active

057493448

ABSTRACT:
Throttle valve opening and engine rotational speed are detected to estimate intake air pressure. Fuel consumption Q is estimated from the estimated intake air pressure. Fuel pump drive voltage is calculated from estimated intake air pressure and estimated fuel consumption through a data map. This map is set in advance from data measured experimentally. By thus driving the fuel pump, it can be controlled at an earlier (i.e., advanced) relative time by taking the response time delay of the control system and the fuel pump into consideration.

REFERENCES:
patent: 5211150 (1993-03-01), Anzai
patent: 5215062 (1993-06-01), Asano et al.
patent: 5483940 (1996-01-01), Namba et al.
patent: 5546911 (1996-08-01), Iwamoto et al.
patent: 5586539 (1996-12-01), Yonekawa et al.

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