Ignition distributor - hall effect sensor switching system...

Details Ignition distributor - hall effect sensor switching system... Ignition distributor - hall effect sensor switching system...

F - Mech Eng,Light,Heat,Weapons

02

P

341/38.12, 317/5

F02P 7/03 (2006.01) F02D 41/34 (2006.01) F02P 3/045 (2006.01) F02P 7/063 (2006.01) F02P 7/07 (2006.01)

Patent

CA 1272505

ABSTRACT A system and method for synchronizing ignition and fuel injection pulses produced by the interruption of Hall Effect signals by a window-in-vane interrupter in an internal combustion engine ignition distributor. The synchronization condition is checked on a periodic basis by: determining the condition of the signal from the reference signal sensor, resetting a first flag in the engine control computer and then ending the in-synchronization method if the reference signal is low, and if the reference signal is high, checking the condition of the signal from the synchronization signal sensor. If the signal from the synchronization signal sensor is low, the first flag is set and then the in-synchronization method is ended. If the signal is high, the condition of the first flag is checked. If the condition of the first flag is reset, ending the in-synchronization method, and if the flag is set, a second flag is set indicating that the top dead center position of cylinder 3 is imminent; and then the in- synchronization method is ended. rn/

513994

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