Hydraulic system and a method for controlling a hydraulic system

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United States of America Patent

PATENT NO 9863449
SERIAL NO

14123122

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Abstract

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A hydraulic system for a working machine includes a hydraulic actuator and a first hydraulic machine for supplying fluid to the hydraulic actuator. The hydraulic system further includes a hydraulic transformer for supplying fluid to the hydraulic actuator in parallel with the first hydraulic machine, and an accumulator for fluid. The hydraulic transformer includes a first port and a second port and the transformer is adapted to transform a first pressure and a first flow at the first port to a second pressure and a second flow at the second port. The second port of the hydraulic transformer is in fluid communication with the hydraulic actuator and the first port is in communication with the accumulator.

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Patent Owner(s)

  • VOLVO CONSTRUCTION EQUIPMENT AB

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Heybroek, Kim Strängnäs, SE 16 76
Wiktor, Roland Hameln, DE 6 12

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