Method for forming a signal relating to the quantity of exhaust

Details Method for forming a signal relating to the quantity of exhaust Method for forming a signal relating to the quantity of exhaust

1996-01-16

1997-04-15

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

F02M 2507

Patent

active

056199740

ABSTRACT:
A method for forming a signal relating to the quantity of exhaust gas recirculated in an internal combustion engine. The signal for the quantity of recirculated exhaust gas is formed on the basis of a signal for the stream of fresh gas fed to the internal combustion engine and a signal for the entirety of the stream of gas fed to the internal combustion engine. The signal for the entirety of the stream of gas which is fed is formed from a series of characteristic operating variables. These characteristic operating variables include, inter alia, the pressure in the intake tract, which can either be detected by means of a sensor or be formed from standby signals. The signal for the quantity of recirculated exhaust gas can be provided with a dynamic correction signal. Furthermore, the signal for the quantity of recirculated exhaust gas can be used in an exhaust gas recirculation valve with position reporting facility to identify an adaptive correction signal.

REFERENCES:
patent: 4762109 (1988-08-01), Jeenicke
patent: 4942860 (1990-07-01), Chujo et al.
patent: 5205260 (1993-04-01), Takahashi et al.
patent: 5273019 (1993-12-01), Matthews et al.
patent: 5379744 (1995-01-01), Pischke et al.
patent: 5383126 (1995-01-01), Ogawa et al.
patent: 5482020 (1996-01-01), Shimizu et al.

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