Corrective feedback technique for controlling air-fuel ratio for

Details Corrective feedback technique for controlling air-fuel ratio for Corrective feedback technique for controlling air-fuel ratio for

1980-07-17

1983-02-08

Gruber, Felix D.

Boots, shoes, and leggings

123440, 123480, 123489, F02B 106, F02M 716

Patent

active

043731872

ABSTRACT:
In a fuel control method data used to control the amount of the fuel supply in the previous cycle is corrected in response to the output of an O.sub.2 sensor in a current cycle, and added to or subtracted from the corrected data value as the difference between a value derived from data stored in a map based on the output of a vacuum sensor and engine rotation speed in the previous cycle and a value derived from the data stored in the map based on the output of the vacuum sensor and engine rotation speed in the current cycle. The sum or difference is used as current control data.

REFERENCES:
patent: 3689755 (1972-09-01), Hodgson et al.
patent: 4224910 (1980-09-01), O'Brien
patent: 4270503 (1981-06-01), Pomerantz
patent: 4279230 (1981-07-01), Bauer et al.
patent: 4290107 (1981-09-01), Suda et al.
patent: 4290400 (1981-09-01), Pomerantz
patent: 4294212 (1981-10-01), Aoki

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