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12:20 ics Großer Saal
Increased energy efficiency of hydraulic hybrid drives by means of a multi-chamber accumulator
Frank Bauer, HYDAC Technology GmbH, Germany
Daniel Feld, HYDAC Technology GmbH
Christian Stauch, HYDAC Technology GmbH
The focus of the present contribution is hydraulic energy recovery by means of hydro- pneumatic multi-chamber accumulators. A simulation study is presented comparing two different multi-chamber accumulator concepts for energy recovery in an exemplary load case involving a forklift mast. The first concept is based on the Double Piston Accumulator /1/. It is compared to the so-called Digital Accumulator /2/. Both similarities and differences of the two concepts are discussed in the presentation.