DUAL ARCHITECTURE FOR AN ELECTRO-HYDRAULIC DRIVE SYSTEM, MACHINE AND METHOD FOR CONTROLLING A MACHINE WITH AN ELECTRO-HYDRAULIC DRIVE SYSTEM

DUAL ARCHITECTURE FOR AN ELECTRO-HYDRAULIC DRIVE SYSTEM, MACHINE AND METHOD FOR CONTROLLING A MACHINE WITH AN ELECTRO-HYDRAULIC DRIVE SYSTEM

An example hydraulic system includes a hydraulic actuator; a pump driven by an electric motor and having an inlet port and an outlet port; a boost flow line configured to provide boost fluid flow or receive excess fluid flow; a reservoir fluid line fluidly coupled to a reservoir; and a valve assembl...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: ZHANG, Hao, CARL, Blake, VANDERLAAN, Dale
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
DREDGING
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
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Beschreibung
Zusammenfassung:An example hydraulic system includes a hydraulic actuator; a pump driven by an electric motor and having an inlet port and an outlet port; a boost flow line configured to provide boost fluid flow or receive excess fluid flow; a reservoir fluid line fluidly coupled to a reservoir; and a valve assembly configured to operate in a plurality of states to allow the pump to operate in a closed-circuit configuration in which fluid discharged from the hydraulic actuator is provided to the inlet port of the pump or an open-circuit configuration in which fluid discharged from the hydraulic actuator is provided to the reservoir.