Laminar flow element

Details Laminar flow element Laminar flow element

1984-03-09

1986-03-18

Bryant, III, James E.

Pipes and tubular conduits

With flow regulators and/or baffles

Restrictors

138 40, 138108, F16L 102, F16L 106

Patent

active

045762040

ABSTRACT:
A laminar flow element for use in a cylindrical fluid flow passage for restricting the flow of fluid through that passage to a constant volume flow rate. The element comprises a body portion having a cylindrical peripheral surface of predetermined length and predetermined diameter, with the surface defining with the passage an annular, tubular fluid passageway. Locating portions are provided extending from the element for engagement with at least one surface in the cylindrical passage for maintaining the peripheral surface concentrically disposed within the cylindrical passage. The length and diameter of the element are dimensioned so that the flow is laminar under all operating conditions, and therefore the volume rate of flow of fluid through the passage is linearly proportional to the pressure drop along the annular passage.

REFERENCES:
patent: 67614 (1867-08-01), Trees
patent: 155936 (1874-10-01), Fell
patent: 578311 (1897-03-01), Blessing
patent: 2610300 (1952-09-01), Walton et al.
patent: 3220256 (1965-11-01), Weichbrod
patent: 3749122 (1973-07-01), Gold
patent: 4031913 (1977-06-01), Apellaniz
patent: 4484472 (1984-11-01), Licinit et al.

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