Systems and methods for fuel injection

Systems and methods for fuel injection

Methods and systems are provided for pressurizing a step chamber of a direct injection fuel pump. In one example, the step chamber may be pressurized to a pressure higher than an output pressure of a lift pump, the lift pump supplying fuel to the direct injection fuel pump. The pressurization of the...

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Hauptverfasser: Meinhart, Mark, Pursifull, Ross Dykstra, Zhang, Hao, Surnilla, Gopichandra, Basmaji, Joseph F
Format: Patent
Sprache:eng
Schlagworte:
BLASTING
COMBUSTION ENGINES
CONTROLLING COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MECHANICAL ENGINEERING
SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF
WEAPONS
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creator Meinhart, Mark
Pursifull, Ross Dykstra
Zhang, Hao
Surnilla, Gopichandra
Basmaji, Joseph F
description Methods and systems are provided for pressurizing a step chamber of a direct injection fuel pump. In one example, the step chamber may be pressurized to a pressure higher than an output pressure of a lift pump, the lift pump supplying fuel to the direct injection fuel pump. The pressurization of the step chamber may occur during at least a portion of a pump stroke of the direct injection fuel pump.
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subjects BLASTING
COMBUSTION ENGINES
CONTROLLING COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MECHANICAL ENGINEERING
SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF
WEAPONS
title Systems and methods for fuel injection
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