Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1987-03-11
1988-08-30
Wolfe, Willis R.
Internal-combustion engines
Charge forming device
Fuel injection system
123476, F02D 4100, F02P 900
Patent
active
047668652
ABSTRACT:
To rapidly determine the position of the crankshaft of a four-cycle engine with an equal number n of cylinders in relation to its cylinders it is proposed that a signal generator attached to the crankshaft be divided along its circumference into n/2 equal signal-mark sections, each with one identification mark, and that a signal generator attached to the camshaft be divided into n/2 or n equal signal sections with equal graduations that differ from one another. The identification marks differ when the number of signal-mark sections differs and can be identical when the number of these sections is different. Comparison of the pulses from the two signal generators and synchronized by the indentification marks makes it possible to directly associate the position of the crankshaft with the cylinders even immediately after the engine starts.
REFERENCES:
patent: 4284052 (1981-08-01), Hanisko
patent: 4365602 (1982-12-01), Stiller et al.
patent: 4414946 (1983-11-01), Daumer et al.
patent: 4574756 (1986-03-01), Ito et al.
patent: 4615318 (1986-10-01), Imoto et al.
patent: 4644917 (1987-02-01), Yakuwa et al.
Fogiel Max
Pierburg GmbH
Wolfe Willis R.
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