Driving turbine blade assembly comprising a passage through which a fluid may pass
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United States of America Patent
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Jan 22, 2013
Issued Date -
N/A
app pub date -
Oct 6, 2008
filing date -
Oct 4, 2007
priority date (Note) -
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Abstract
A turbine unit (11) comprising a passage (23) through which a fluid may pass. Located within the passage (23) is a driving turbine blade set (25) upstream from a pumping turbine blade set (27) wherein the diameter of the pumping turbine blade is larger than the diameter of the driving turbine blade set. The driving turbine blade set and pumping turbine blade set are mounted in opposed relation whereby the turbine blade sets are in reversed orientation with respect to each other such that in simultaneous operation a region between the two turbine blade sets has a lower pressure than the fluid pressure at an opening of the passage. This induces a greater mass flow rate through the turbine unit than would otherwise be created by a pumping turbine blade set equal to or smaller in diameter than the driving turbine blade set.
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