Electronic fuel-injection device having read/write memory for st

Details Electronic fuel-injection device having read/write memory for st Electronic fuel-injection device having read/write memory for st

1992-10-08

1993-05-04

Miller, Carl S.

Internal-combustion engines

Engine speed regulator

Having condition responsive means with engine being part of...

123449, F02D 3100

Patent

active

052071995

ABSTRACT:
A fuel injection device includes an actuator for positioning an adjusting member to establish a fuel injection level. A correcting device such as a resistor is provided to compensate for any positional deviation of the adjusting member during assembly of the fuel injection device. A value of the correcting device is read and compared with an actuator correction value previously stored in a read/write memory such as an E.sup.2 PROM. If the value of the correcting device is within normal parameters and differs from the prestored actuator correction value, the prestored actuator correction value is overwritten using the value of the correcting device to obtain a new stored actuator correction value. The actuator correction value stored in the read/write memory is used to correct the position of the adjusting member.

REFERENCES:
patent: 4294211 (1981-10-01), Stumpp
patent: 4497294 (1985-02-01), Izumi
patent: 4572130 (1986-02-01), Tsukamoto
patent: 4667634 (1987-05-01), Matsumura
patent: 4961412 (1990-10-01), Furuyama

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