Title:
【発明の名称】点火時期学習制御方法
Document Type and Number:
Japanese Patent JP2832299
Kind Code:
B2
Abstract:
The timing is based on a basic ignition timing and a learned correcting quantity including a large correcting quantity and a small correcting quantity both dependent on the presence or absence of knock. When the engine speed is higher than a predetermined value, the calculation based on the learning correcting quantity is stopped, and a small correcting quantity for high speed is selected dependent on engine speed and intake pressure from a memory which stores a plurality of small correcting quantities. An ignition timing for the high engine speed is calculated from the basic ignition timing, the large correcting quantity, and the small high speed correcting quantity.
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Inventors:
OOKUMO HIROYA
MYAMA HIDEJI
MYAMA HIDEJI
Application Number:
JP12513489A
Publication Date:
December 09, 1998
Filing Date:
May 18, 1989
Export Citation:
Assignee:
FUJI JUKOGYO KK
International Classes:
F02P5/15; F02P5/152; F02P5/153; (IPC1-7): F02P5/152; F02P5/15; F02P5/153
Domestic Patent References:
| JP63306282A | ||||
| JP59110862A |
Attorney, Agent or Firm:
Nobujun Kobashi