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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 (engelsk)Inngår i: Wissensforum VDI: VDI-Fachkonferenz Getriebe in Mobilen Arbeitsmaschinen, 2011Konferansepaper, Publicerat paper (Fagfellevurdert)
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.

sted, utgiver, år, opplag, sider
2011.
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-132925OAI: oai:DiVA.org:liu-132925DiVA, id: diva2:1051356
Konferanse
Wissensforum VDI, June 7-8, 2011
Forskningsfinansiär
Swedish Energy Agency, P32064-1
Tilgjengelig fra: 2016-12-01 Laget: 2016-12-01 Sist oppdatert: 2017-09-13

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