Method of recognizing operating errors in a fuel injection syste

Details Method of recognizing operating errors in a fuel injection syste Method of recognizing operating errors in a fuel injection syste

1996-06-05

1998-01-13

Dombroske, George M.

Measuring and testing

Internal combustion engine or related engine system or...

Compression

73115, F02M 100, G01M 1500

Patent

active

057082022

ABSTRACT:
In a method of recognizing operating errors in the fuel injection system of an internal combustion engine wherein fuel is supplied by a fuel pump via a common fuel supply line to a number of fuel injectors, the fuel pressure in the common fuel supply line is determined at least at two predetermined points in time between which the pressure should not change when the system is properly operating and an operating error is indicated if a difference in pressure is determined which exceeds a predetermined threshold value.

REFERENCES:
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patent: 4977872 (1990-12-01), Hartopp et al.
patent: 5020362 (1991-06-01), Hart et al.
patent: 5107700 (1992-04-01), Kuttner et al.
patent: 5445019 (1995-08-01), Glidewell et al.
patent: 5492099 (1996-02-01), Maddock
Werner Banzhaf et al, "Prufung von Einspritzdusen fur Dieselmotoren", BOSCH TECHN. BERICHTE, 1986, pp. 198-204.

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