Electrical control method and apparatus for combustion engines

Details Electrical control method and apparatus for combustion engines Electrical control method and apparatus for combustion engines

1977-09-16

1979-07-31

Gruber, Felix D.

Boots, shoes, and leggings

123 32EB, 123117D, 364104, G06F 770, F02D 2104

Patent

active

041632826

ABSTRACT:
In a method and apparatus for controlling a combustion engine, a digital computer repetitively and sequentially calculates first and second values corresponding to the proper settings or actuation of first and second control devices that are used to control the combustion of the air-fuel mixture, by sensing changes in the operating conditions of the engine, the computer being programmed to calculate such first and second values from a first fuction describing a desired relationship between the condition of the engine and the setting of the first control device and from a second function describing another desired relationship between the condition of the engine and the setting of the second control device. An interrupt controller is provided to receive pulses which are synchronized with the rotational speed of the engine (hereinafter: synchronized pulse or pulses) and at least one clock pulse in a predetermined time interval so as to initially calculate the first value in the computer upon receiving a synchronized pulse even during the calculation of the second value, and subsequently calculate the second value after completion of the calculation of the first value.

REFERENCES:
patent: 3835819 (1974-09-01), Anderson, Jr.
patent: 3916170 (1975-10-01), Norimatsu et al.
patent: 3969614 (1976-07-01), Moyer et al.
patent: 4009699 (1977-03-01), Hetzler et al.

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