Measuring and testing – Test stand – For engine
Patent
1981-09-08
1983-11-08
Myracle, Jerry W.
Measuring and testing
Test stand
For engine
73119A, 123478, 123612, 324391, G01M 1500
Patent
active
044135084
ABSTRACT:
An adjusting system for crank angle sensor signal comprises a crank angle sensor, a timing detector and an adjusting unit including an output control device. The crank angle sensor is associated with an engine crankshaft and produces first and second signals. The first signal is indicative of a predetermined crankshaft position for each engine cylinder and the second signal is indicative of rotation of the engine crankshaft through a unit angle. These signals are used for controlling fuel injection timing or spark timing. The timing detector measures the difference between an actual value and a target value with respect to a desired timing, which timing is, for example, fuel injection timing, spark timing, or a predetermined crankshaft position for each engine cylinder. The output control device is provided at a safe place away from various engine rotational parts and is manually operable to change its output as a correction value. The adjusting unit is adapted to adjust the first signal in response to the output of the output control device to make the actual value coincide with the target value so that the first signal is electrically adjusted safely and efficiently without moving the crank angle sensor itself to attain optimal fuel injection timing or spark timing.
REFERENCES:
patent: 3314407 (1967-04-01), Schneider
patent: 3573609 (1971-04-01), Vaher
patent: 4109616 (1978-08-01), Zechnall et al.
Kawamura Yoshihisa
Yasuhara Seishi
Myracle Jerry W.
Nissan Motor Company Ltd.
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