Turbine with coaxial sets of blades

Details Turbine with coaxial sets of blades Turbine with coaxial sets of blades

2006-08-01

2011-12-06

Kershteyn, Igor (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Plural impellers having relative movement or independent...

Coaxial rotation

C416S128000, C416S19800R, C415S004300, C415S066000, C415S068000, C290S044000, C290S055000

Reexamination Certificate

active

08070444

ABSTRACT:
A turbine (5) having at least two sets of co-axially mounted, rotatable blades (10, 15) arranged so that one set cannot eclipse another. Preferably, the sets of blades (10, 15) are contra-rotatable. Each set of blades (10, 15) may be operable to extract similar amounts of energy, thereby to minimise the net reactive torque.

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patent: 316900 (1956-10-01), None
patent: 1 467 093 (2004-10-01), None
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patent: WO 03/025385 (2003-03-01), None
patent: WO 2004/031577 (2004-04-01), None
International Search Report for International Application No. PCT/GB2006/002857.

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