Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1994-02-18
1995-05-23
Dolinar, Andrew M.
Internal-combustion engines
Charge forming device
Fuel injection system
123479, F02D 4122, F02D 4138
Patent
active
054171946
ABSTRACT:
In a method of operating a multi-cylinder Diesel engine in which fuel delivered by an engine-driven high-pressure pump is supplied to a high-pressure line from where it is admitted through injectors to the associated cylinders by an engine speed synchronous pulse and the pressure in the fuel line is determined by a pressure sensor at a certain operating point present during fuel delivery and, upon failure of the synchronous pulse, a pressure signal generated at this operating point is used to start the injection sequence with the activation of one of the injectors, and the time spans between subsequent operating points in the injection sequence are determined and, if a deviation between the time spans exceeds a limit value, another injector is selected for the start of another injection sequence, which is used as a new start of the injection sequence until the time spans between the various operating points in the high-pressure fuel supply lines which are a measure for engine speed are essentially the same.
REFERENCES:
patent: 4941445 (1990-07-01), Deutsch
MTZ Motortechnische Zeilschift 49 (1988) 1, Digitale Diesel Elektronik beim BMW-Turbodiesel Modell 324 1-d. by Gerd Schwarzbouer and Helmut Weiss (mounth unknown).
ATZ Automobiltechnische Zeitschrift 91 (1989) 4, Moglichkeiten zur Komfortverbesserung durch Einsatz der Digitalen Diesel-Elektronik by G. Pabinger and J. Wolkerstorfer (no unknown).
Mot-Technik, Mar. 5, 1988, Neue Dimensionen-Digitale Dieselemspritzung by Olaf von Fersen.
Bach Klaus J.
Dolinar Andrew M.
Mercedes-Benz AG
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