Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1990-05-29
1991-10-15
Argenbright, Tony M.
Internal-combustion engines
Charge forming device
Fuel injection system
123424, F02D 2800
Patent
active
050564854
ABSTRACT:
A crank angle sensor comprises a rotor plate formed with first slits for detecting a first cylinder angular position, second slits for a second cylinder angular position, and a third slit for detecting an angular position of a specified cylinder. The first slits are equi-angularly distant one after another and arranged within a predetermined annular band within the rotor plate, and the second slits are equi-angularly distant one after another and arranged within the predetermined annular band. Each of the first slits is located adjacent to the corresponding one of the second slits. In an ignition timing control system using the crank angle sensor, the control is performed by generating a train of pulses including a train of leading pulses and a train of trailing pulses superimposed to each other, determining whether a start switch is turned ON or not, determining whether an engine temperature is greater than a predetermined value or not, and carrying out an ignition at a falling edge of each of the trailing pulses when the engine temperature is greater than the predetermined value, and at a falling edge of each of the leading pulses when the engine temperature is not greater than the predetermined value.
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Kobayashi Sadao
Yamamoto Hisayuki
Argenbright Tony M.
Mates Robert
Nissan Motor Co., Ltd., No. 2
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