Method and system for recognizing the readiness for operation of

Details Method and system for recognizing the readiness for operation of Method and system for recognizing the readiness for operation of

1987-08-14

1988-05-10

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Fuel injection system

204425, 204426, 123440, F02M 5100, F02D 4114, G01N 2750

Patent

active

047428082

ABSTRACT:
A method for detecting the readiness for operation of an oxygen measurement sensor which is located in the exhaust pipe of an internal combustion engine and serves, together with a regulating device, to regulate the preparation of the mixture for the internal combustion engine. The voltage present at the oxygen measurement sensor is measured in succession for two different conditions of load and the internal resistance is calculated from the results of the measurement and compared with a predetermined value.

REFERENCES:
patent: 4472262 (1984-09-01), Kondo et al.
patent: 4543176 (1985-09-01), Harada et al.
patent: 4561402 (1985-12-01), Nakano et al.
patent: 4609452 (1986-09-01), Shimomura
patent: 4609453 (1986-09-01), Shimomura
patent: 4626338 (1986-12-01), Kondo et al.

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