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Vortex-diodes

Bi-directional flow control system

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Vortex diodes

Details

Inventors: Syred, Nicholas; Grant, John; Sidhu, Baldip Singh;
Assignee:
Primary Examiner: Cline; William R.
Assistant Examiner:
Attorney, Agent or Firm: Larson, Taylor and Hinds

A vortex diode having a thin cylindrical vortex chamber with an axial port and at least one tangential port. The chamber is provided with a peripheral channel and the diameter of each tangential port is substantially equal to the diameter of the peripheral channel.

DETAILED DESCRIPTION The present invention seeks to improve upon existing known vortex diodes by paying particular attention to geometrical parameters of the diode so as to give optimum results for both high and low resistance modes.
According to the present invention a vortex diode comprises a thin cylindrical vortex chamber having an axial port and at least one tangential port, the diameter of the or each tangential port at its junction with the chamber being substantially equal to the height of the chamber at its periphery.
Conveniently the chamber is formed with an enlarged peripheral channel having a diameter substantially equal to the diameter of the or each tangential port.

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