Flow system for pipes, pipe fittings, ducts and ducting elements

Details Flow system for pipes, pipe fittings, ducts and ducting elements Flow system for pipes, pipe fittings, ducts and ducting elements

1997-07-22

1999-11-30

Brinson, Patrick

Pipes and tubular conduits

With flow regulators and/or baffles

138 39, 366337, F15D 5500

Patent

active

059924659

ABSTRACT:
An insert for placement within a generally tubular fluid conduit having an inner conduit wall. The insert functions to provide quasi-laminar flow to a fluid, and is constructed as a generally ring shaped flow-through structure having an outer wall and an inner wall. The outer wall has a shape complimentary to the inner conduit wall such that the structure can be held by friction fit at an interface of the outer wall and conduit wall. The inner wall of the structure has projecting inwardly therefrom a plurality of uniformly spaced generally sinusoidal shaped vanes each terminating at an apex disposed between about 0.4 and 0.8 the radius dimension of the structure, and extending longitudinally preferably helically at an angle between about 17 degrees and 19 degrees in relation to a horizontal plane. Substantially identical construction as that of the insert is also incorporated within an inventive tubular fluid conduit having an inner wall with at least one integral quasi-laminar flow inducing portion constructed with substantially identical components as present at the inner wall of the insert. The construction functions to induce and maintain optimized spiral flow within a conduit.

REFERENCES:
patent: 1974110 (1934-09-01), Higley
patent: 5197509 (1993-03-01), Cheng
patent: 5213138 (1993-05-01), Presz, Jr.
patent: 5230369 (1993-07-01), Presz, Jr.
patent: 5327940 (1994-07-01), Presz, Jr.
patent: 5362179 (1994-11-01), Sirovich et al.
patent: 5529084 (1996-06-01), Mutsakis et al.
patent: 5758967 (1998-06-01), King
patent: 5833389 (1998-11-01), Sirovich et al.

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