F - Mech Eng,Light,Heat,Weapons – 02 – P
Patent
F - Mech Eng,Light,Heat,Weapons
02
P
123/11, 324/15
F02P 17/00 (2006.01) F02D 41/34 (2006.01) F02P 7/077 (2006.01) G01M 15/06 (2006.01) G04F 10/00 (2006.01) F02B 1/04 (2006.01)
Patent
CA 1180758
ENGINE OPERATION RELATED EVENT TIMING SYSTEM Abstract of the Invention A system for indicating the timing of an engine control event relative to the top dead center position of an internal combustion engine. A sensor responsive to piston movement develops pulses of equal angular width before and after the top dead center position of a selected piston, and the time relation of the sensor pulses with respect to the initiation of an engine control event is used to determine the timing of the engine control event with respect to the piston top dead center position. The timing so determined is compensated for engine accelera- tion by taking into account the difference in duration of the two sensor pulses.
406769
General Motors Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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