Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Benjamin Raylor0
Jeyakumar Ganeshalingham0
Trevor Frank Jones0
Date of Patent
January 12, 2010
0Patent Application Number
105122860
Date Filed
April 25, 2003
0Patent Primary Examiner
Patent abstract
A duct (10) for transporting a two phase mixture has a length portion of circular cross-section (12) leading, via a transition zone (14) in which the duct cross-section changes from circular to lobed, to a zone in which its cross-section exhibits at least one lobe (16) extending helically around and along the duct. The duct has a cross-sectional area which is substantially constant, or which progressively increases, over the transition zone. The transition from circular to lobed cross-section is alternatively smooth and continuous, and the transition zone occupies a duct length in which the or each lobe becomes relocated by at least one position.
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