Method and apparatus for controlling a fluid actuated system

The present invention relates to an improved fluid actuated system, such as those used in hydraulically actuated fuel injectors of an internal combustion engine. A fluid pump supplies hydraulic fluid to a high pressure rail that in turn supplies the fuel injectors with high pressure fluid. Pump outp...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MICHELS RYAN P, BLASS JAMES R, GIBSON DENNIS H
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF WEAPONS
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Beschreibung
Zusammenfassung:	The present invention relates to an improved fluid actuated system, such as those used in hydraulically actuated fuel injectors of an internal combustion engine. A fluid pump supplies hydraulic fluid to a high pressure rail that in turn supplies the fuel injectors with high pressure fluid. Pump output control is provided by an actuator and an electronic control module. A position sensor provides data related to actuator position to the electronic control module. Pump control parameters are determined by the electronic control module, based on fluid pressure, engine operating conditions and actuator position.