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Open Circuit Solution for Pump Controlled Actuators
Linköping University, The Institute of Technology. Linköping University, Department of Mechanical Engineering, Fluid and Mechanical Engineering Systems.ORCID iD: 0000-0001-6452-2746
Linköping University, The Institute of Technology. Linköping University, Department of Mechanical Engineering, Fluid and Mechanical Engineering Systems.
Linköping University, The Institute of Technology. Linköping University, Department of Mechanical Engineering, Fluid and Mechanical Engineering Systems.
2006 (English)In: 4th FPNI - PhD Symposium Sarasota 2006, Sarasota: Coastal Printing , 2006, Vol. 1, 27-40 p.Conference paper, Published paper (Refereed)
Abstract [en]

Mobile machines of today often contain hydraulic valve controlled actuator loads in an open loop circuit. For the purpose of saving energy, the constant pressure pumps have in the past often been replaced by load sensing pumps and valves. In mobile applications, they have significantly reduced the energy consumption. Stricter environmental demands and rapidly increased fuel cost require an even lower consumption. By analyzing a typical working cycle of a construction machine, the possibility of energy recovery has been identified. The analyse confirms the importance of minimizing the metering losses. In a load-sensing valve solution these losses arise as a result of the unequal drive pressure levels. By adopting a displacement controlled regenerative solution, a significantly higher level of efficiancy can be obtained. 

Place, publisher, year, edition, pages
Sarasota: Coastal Printing , 2006. Vol. 1, 27-40 p.
Keyword [en]
pump control, open circuit, energy efficiency, energy recovery
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-36910Local ID: 33026ISBN: 1424304997 (print)OAI: oai:DiVA.org:liu-36910DiVA: diva2:257759
Conference
4th FPNI - PhD Symposium Sarasota, Florida 2006
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2017-09-13

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Heybroek, KimLarsson, JonasPalmberg, Jan-Ove

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