Engine control system

Details Engine control system Engine control system

1990-01-09

1991-07-30

Dolinar, Andrew M.

Internal-combustion engines

Charge forming device

Fuel injection system

123412, 731173, F02D 4102

Patent

active

050352261

ABSTRACT:
An engine control system comprises a circuit for selecting a first engine controlled variable or a second engine controlled variable according to engine condition, changeover value for introducing to a pressure sensor the atmospheric pressure when the circuit selects the first engine controlled variable and the negative suction pressure when the circuit selects the second engine controlled variable, an engine control circuit for controlling the engine on the basis of a selected engine controlled variable and the atmospheric pressure and a delay circuit for making the selecting circuit to select the second engine controlled variable after a predetermined time period from the time when the pressure to be introduced to the pressure sensor is changed over from the atmospheric pressure to the negative suction pressure.

REFERENCES:
patent: 4332226 (1982-06-01), Nomura et al.
patent: 4416239 (1983-11-01), Takase et al.
patent: 4475381 (1984-10-01), Nakatomi et al.
patent: 4501250 (1985-02-01), Omori et al.
patent: 4787043 (1988-11-01), Zimmerman et al.

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