Pipes and tubular conduits – With flow regulators and/or baffles – Flow facilitating
Patent
1977-03-24
1982-01-12
Little, Willis
Pipes and tubular conduits
With flow regulators and/or baffles
Flow facilitating
48180C, F15D 102
Patent
active
043100287
ABSTRACT:
The fluid throughput of a conduit is increased without increasing the power requirements or the size of the conduit by affixing to the inner surface of the conduit at least one airfoil located with its leading edge facing into the flow substantially at the beginning of rectilinear flow. The airfoil advantageously has a body portion, a head portion, and a tail portion wherein the body portion has upper and lower planar surfaces defined by substantially parallel planes, side portions defined by substantially parallel side planes which are substantially normal to the upper and lower parallel planes, the head portion has a bulbous portion extending substantially below the lower parallel plane and the tail portion extends substantially below the lower parallel planes but not as far below as the bulbous portion.
REFERENCES:
patent: 3113593 (1963-12-01), Vicard
patent: 3351091 (1967-11-01), Chambert
patent: 3381713 (1968-05-01), Jacobsen
patent: 3671208 (1972-06-01), Medsker
patent: 3820570 (1974-06-01), Holzhuter
Hueschen Gordon W.
Little Willis
Patriark, Inc.
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