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Efficient hydraulic pumps , motors and transformers for hydraulic hybrid systems in mobile machinery
Innas BV, Netherlands.
Innas BV, Netherlands.
Volvo Constrúction Equipment, Sweden.ORCID iD: 0000-0001-6452-2746
2011 (English)In: Wissensforum VDI: VDI-Fachkonferenz Getriebe in Mobilen Arbeitsmaschinen, 2011Conference paper, Published paper (Refereed)
Abstract [en]

A detailed simulation of a large 33 metric ton wheel loader, carrying out the short loading cycle, has been performed. Two systems have been compared and examined side by side: • The conventional system, having a mechanical transmission for driving the wheels and a conventional load sensing hydraulic circuit for the work and steering cylinders. • A new hydraulic hybrid system for the wheel drive and the implements, applying new and efficient hydrau- lic pumps and motors. The core of the new system is the hydraulic transformers which convert and control all the hydraulic power flows inside the loader. The new system results in a reduction of the fuel consumption of about 50% in the analyzed cycle. The new transmission and hydraulic system also results in a strong reduction of the cooler demands.

Place, publisher, year, edition, pages
2011.
National Category
Other Mechanical Engineering
Identifiers
URN: urn:nbn:se:liu:diva-132925OAI: oai:DiVA.org:liu-132925DiVA, id: diva2:1051356
Conference
Wissensforum VDI, June 7-8, 2011
Funder
Swedish Energy Agency, P32064-1
Available from: 2016-12-01 Created: 2016-12-01 Last updated: 2017-09-13

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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Output format
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