Failure system for internal combustion engine

Details Failure system for internal combustion engine Failure system for internal combustion engine

1980-09-10

1982-05-04

Gruber, Felix D.

Boots, shoes, and leggings

123198DB, 123480, 36443111, F02B 3916, F02D 3300

Patent

active

043285473

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, such as a fuel cut-off and reset system which responds to one of the selected fail signals receives information concerning one or more engine operating parameters such as manifold pressure, throttle position, engine coolant temperature, air temperature, and engine speed or period and the like. These parameters are sensed and then supplied to input circuits for signal conditioning and conversion to 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-injections ignition timing, proportional and/or on-off EGR control, and the like.

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