Knocking control apparatus for internal combustion engine

Details Knocking control apparatus for internal combustion engine Knocking control apparatus for internal combustion engine

1991-12-20

1993-02-16

Nelli, Raymond A.

Internal-combustion engines

Combustion chamber means combined with air-fuel mixture...

F02P 514

Patent

active

051861453

ABSTRACT:
A control apparatus for an internal combustion engine having: a sensor for detecting a running condition of the internal combustion engine; a detector for detecting information indicative of the running condition in accordance with an output signal of the sensor; and a controller for controlling the internal combustion engine in accordance with a detection result of the detector, the controller communicating with the detector through a signal line is characterized in that: the detector includes sending circuit for sending the information by change in level of the signal lines from the last outputted information and the controller comprises: a reading circuit for reading level of the signal line; a memory for storing the read level of the signal line; a restoring circuit for restoring the information in accordance with the change of level read at this time from the level stored at the last time; a setting circuit for setting an amount of controlling of the internal combustion engine in accordance with restored result; and sub-controller for effecting a safety control when the level of the signal line read at this time does not change from that read out at the last time.

REFERENCES:
patent: 4993387 (1991-02-01), Sakakibara et al.
patent: 5054448 (1991-10-01), Matsuoka et al.
patent: 5065724 (1991-11-01), Takeda
patent: 5088044 (1992-02-01), Matsura
patent: 5090382 (1992-02-01), Bolander et al.
patent: 5090383 (1992-02-01), Demizu et al.
patent: 5101790 (1992-04-01), Takasu et al.

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