CPC Subgroup
F02P 5/15 Digital data processing
Full Title
Advancing or retarding ignition; Control therefor > automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions (dependent on position of personal controls of engine F02P5/02) > using electrical means > Digital data processing
4 direct subcodes
Child Classifications
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- F02P 5/152 dependent on pinking (detecting or indicating knocks in internal-combustion engines G01L23/22)
- F02P 5/153 dependent on combustion pressure