Switching arrangement for regulation of the fuel-air mixture del

Details Switching arrangement for regulation of the fuel-air mixture del Switching arrangement for regulation of the fuel-air mixture del

1979-04-16

1981-02-24

Myhre, Charles J.

Internal-combustion engines

Charge forming device

Fuel injection system

F02B 7510

Patent

active

042520991

ABSTRACT:
A switching arrangement for regulation of a fuel-air mixture delivered to an internal combustion engine by means of an oxygen-measuring sensor in an exhaust flow of an internal combustion engine which produces an electric signal which is in turn used by a control unit of the fuel injection system including the fuel supply pump and timed valve and being influenced by supplementary air valve and warm-up control is improved by simplifying the circuit arrangement through the use of an rpm relay, that can be affected by the rpm of the internal combustion engine as the only relay to control operation of the control unit and timed valve as well as the fuel pump, supplementary air valve, the warm-up control.

REFERENCES:
patent: 3949551 (1976-04-01), Eichler et al.
patent: 3967598 (1976-07-01), Rachel
patent: 4031866 (1977-06-01), Asano
patent: 4057042 (1977-11-01), Aono
patent: 4084565 (1978-04-01), Dorch
patent: 4133326 (1979-01-01), Copi et al.
patent: 4172433 (1979-10-01), Bianchi et al.
Catalog Extract from "Stribel", pp. 18, 42, 48, 24, and diagram.

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