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The Haldex Concentric variable flow pump (VFP) is an energy-efficient annulus and rotor design that provides infinitely variable lubrication for the new generation of engines, reducing fuel consumption by as much as 4% |
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The compact, durable design uses two rotor sets to align flow to demand, so reducing power requirement and fuel consumption. The driving rotor operates in the normal manner whilst the position and flow of the second, eccentric rotor is controlled either mechanically or electronically |
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Haldex Concentric VFP technology offers major benefits in heavy diesels with stop-start duty cycles and also in high-performance passenger cars, where a cold start and significant running time below 80°C means that the lube system is responsible for even more parasitic losses |
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Many European and US OEMs are working with Haldex Concentric on variable flow pumps for both diesel and petrol engines, off-highway, truck and passenger car applications |
