Ignition timing controlling apparatus and method for internal co

Details Ignition timing controlling apparatus and method for internal co Ignition timing controlling apparatus and method for internal co

1995-09-15

1996-12-17

Dolinar, Andrew M.

Internal-combustion engines

Charge forming device

Fuel injection system

123424, F02P 515, F02P 5153

Patent

active

055842763

ABSTRACT:
During a predetermined period of time T upon a start of the engine, when low frequency components of a variation in either of an engine revolution speed or combustion pressure are extracted and the extracted low frequency component level is below a predetermined value (.DELTA.Nref or .DELTA.Peref), an ignition timing is retarded up to a limit such that a variation state of either of the engine revolution speed or the combustion pressure is kept at a value below the predetermined value.

REFERENCES:
patent: 4271798 (1981-06-01), Seitz et al.
patent: 4699105 (1987-10-01), Jensen

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