Burst knock prevention at high engine load

Details Burst knock prevention at high engine load Burst knock prevention at high engine load

1996-07-23

1997-12-02

Dolinar, Andrew M.

Internal-combustion engines

Charge forming device

Fuel injection system

123422, F02P 515

Patent

active

056924739

ABSTRACT:
The present invention provides an apparatus for limiting the occurrence of knock conditions in an internal combustion engine. The apparatus includes a throttle sensor that detects transition of an engine throttle from a steady state throttle condition to a wide open throttle condition. Further, spark means is provided for generating a spark for an engine cylinder firing event, with the spark means generating the spark with an associated spark advance. Further, a controller is provided that is responsive to the wide open throttle condition detected by the throttle sensor and that causes the spark advance to incrementally advance to a maximum level over a predetermined time period, thereby minimizing the occurrence of engine knock conditions.

REFERENCES:
patent: 5040509 (1991-08-01), Nakaki et al.
patent: 5119782 (1992-06-01), Kashiwabara et al.

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