SYSTEM OF INTERNAL COMBUSTION ENGINE START-UP Russian patent published in 2009 - IPC F02N11/08 

FIELD: engines and pumps.

SUBSTANCE: invention is related to the field of automobile electronics, namely to the field of electric starter start-up of internal combustion engines (ICE). System for start-up of internal combustion engine comprises starter, energy source, ignition lock contacts, traction relay, controlled switch, microcontroller with inbuilt voltage comparator, sensor of ICE crankshaft rotation frequency and source of reference voltage. The first output of traction relay winding is connected to negative output of energy source. Starter is connected to energy source via contacts of traction relay. Outputs of ICE crankshaft rotation frequency sensor and source of reference voltage are accordingly connected to the first and second inlets of microcontroller comparator. Output of microcontroller is connected to inlet of controlled switch control. Power contacts of controlled switch are connected between the second contact of ignition lock and the second output of traction relay winding. The first contact of ignition lock is connected to positive output of energy source.

EFFECT: energy saving during start-up and higher reliability in repeated start-ups of ICE.

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