System and method for recovering energy and leveling hydraulic system loads

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United States of America Patent

PATENT NO 9803338
SERIAL NO

13571517

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Importance

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Abstract

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A hydraulic system including an accumulator and a hydraulic transformer is disclosed. The hydraulic transformer includes first and second variable displacement pump/motor units mounted on a rotatable shaft. The rotatable shaft has an end adapted for connection to an external load. The first variable displacement pump/motor unit includes a first side that fluidly connects to a pump and a second side that fluidly connects to a tank. The second variable displacement pump/motor unit includes a first side that fluidly connects to the accumulator and a second side that fluidly connects with the tank.

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Patent Owner(s)

Patent OwnerAddress
DANFOSS A/SDENMARK NORDBORG REGION SYDDANMARK

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jagoda, Aaron Hertzel St. Louis Park, US 12 61

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