Dual voltage regulator with low voltage shutdown

Details Dual voltage regulator with low voltage shutdown Dual voltage regulator with low voltage shutdown

1978-02-27

1981-01-06

Gruber, Felix D.

Excavating

340636, 340663, 361 18, 364431, G05F 138, G01R 19165

Patent

active

042440505

ABSTRACT:
A method and apparatus for controlling the various functions of an internal combustion engine using a program-controlled microprocessor having a memory preprogrammed with various control laws and associated control schedules receives information concerning one or more engine-operating parameters such as manifold pressure, throttle position, engine coolant temperature, air temperature, engine speed or period and the like. These parameters are sensed and then supplied to input circuits for signal conditioning and conversion into digital words usable by the microprocessor. The microprocessor system computes a digital word indicative of a computer-commanded engine control operation and output circuitry responds to predetermined computer-generated commands and to the computed digital command words for converting them to corresponding pulse-width control signals for controlling such engine operations as fuel-injection, ignition timing, proportional and/or on-off EGR control, and the like.

REFERENCES:
patent: 3079543 (1963-02-01), Decker
patent: 3405319 (1968-10-01), Barringer
patent: 3670246 (1972-06-01), Gately
patent: 3679965 (1972-07-01), Wilkinson
patent: 3784846 (1974-01-01), Krick et al.
patent: 3792341 (1974-02-01), Kime, Jr.
patent: 3918043 (1975-11-01), Beck
patent: 4005344 (1977-01-01), Gaind et al.

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