METHOD FOR CONTROLLING THE RAIL PRESSURE IN AN INJECTION SYSTEM

A method for regulating the rail pressure in an injection system of a motor vehicle is described. For the purpose of regulating the rail pressure, a high-pressure pump, which is provided with a digital inlet valve, is actuated, wherein the digital inlet valve is activated such that it is matched to...

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Bibliographic Details
Main Authors Kraft, Thomas, Bodensteiner, Andreas, Sassler, Walter
Format Patent
LanguageEnglish
Published 26.07.2018
Subjects
BLASTING
COMBUSTION ENGINES
CONTROLLING COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
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Summary:A method for regulating the rail pressure in an injection system of a motor vehicle is described. For the purpose of regulating the rail pressure, a high-pressure pump, which is provided with a digital inlet valve, is actuated, wherein the digital inlet valve is activated such that it is matched to the delivery and suction phase physically present. In this way, it is possible for pressure regulation to be achieved by way of a digital valve even for transmission ratios at which the pump does not have exactly a multiple of delivery and suction phases during two engine cycles.
Bibliography:Application Number: US201815928612