System for controlling an internal combustion engine in a motor

Details System for controlling an internal combustion engine in a motor System for controlling an internal combustion engine in a motor

1991-02-11

1992-12-15

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Including exhaust gas condition responsive means

123690, 123691, 123399, F02D 700

Patent

active

051707691

ABSTRACT:
The invention is directed to a system for electronically controlling (open loop and/or closed loop) an internal combustion engine of a motor vehicle. By means of at least one measuring unit at least one signal is generated representing the position of a power-determining component and the measuring unit comprises several sensors. The measuring unit is associated with a power-determining component of the vehicle such as a throttle flap or the control rod and/or accelerator pedal. The sensors are checked with respect to their functional capability by comparing the signal values generated by the sensors to each other with respect to a pregiven tolerance range. When a fault of one or more of the sensors is detected, then that sensor or those sensors which is or are unaffected can be determined.

REFERENCES:
patent: 4603675 (1986-08-01), Junginger et al.
patent: 4693111 (1987-09-01), Arnold et al.
patent: 4988428 (1991-01-01), Iwakiri et al.
patent: 5025767 (1991-06-01), Kuma et al.
patent: 5070847 (1991-12-01), Akiyama et al.
patent: 5080072 (1992-01-01), Hosokai et al.
patent: 5090389 (1992-02-01), Ooma

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