Air density computer for an internal combustion engine fuel cont

Details Air density computer for an internal combustion engine fuel cont Air density computer for an internal combustion engine fuel cont

1972-08-23

1976-09-28

Myhre, Charles J.

Internal-combustion engines

Noncompression

123179L, F02B 300, F02D 104

Patent

active

039825035

ABSTRACT:
An air density computer is disclosed herein for controlling the fuel injected into an internal combustion engine to maintain a desired air to fuel ratio during the engine's warm-up period. The air density computer responds to a temperature sensor, mounted in the engine's air intake manifold, and computes a density signal indicative of the relative density of the air as a function of the air's temperature. The fuel control computer responds to this density signal as well as other sensor inputs and generates output signals indicative of the engine's fuel requirements which are corrected for the higher density of the cold air inhaled by the engine during the transient warm-up period.

REFERENCES:
patent: 2870310 (1959-01-01), Overbeek
patent: 2871376 (1959-01-01), Kretzmer
patent: 3219843 (1965-11-01), Follett
patent: 3500803 (1970-03-01), Long
patent: 3589345 (1971-06-01), Benson
patent: 3592177 (1971-07-01), Wehde
patent: 3646917 (1972-03-01), Nagy
patent: 3682152 (1972-08-01), Muller

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