Energy efficiency in hydraulic systems
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United States of America Patent
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Issued Date -
Aug 23, 2007
app pub date -
Feb 21, 2006
filing date -
Feb 21, 2006
priority date (Note) -
Abandoned
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Abstract
The present invention describes use of a fluid having a VI of at least 130 to improve the energy efficiency of a hydraulic system. Furthermore, the present invention relates to a hydraulic system comprising a hydraulic fluid having a VI of at least 130, a unit for creating mechanical power, a unit that converts mechanical power into hydraulic energy, and a unit that converts hydraulic energy into mechanical work. Preferentially, engine speed can be reduced to decrease load and stress while delivering the same amount of hydraulic power.
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