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THREE-DIMENSIONAL MANUFACTURING OF QUIETING VALVE HAVING COMPLEX PASSAGES

  • US 20170138507A1
  • Filed: 08/04/2016
  • Published: 05/18/2017
  • Est. Priority Date: 08/07/2015
  • Status: Active Grant
First Claim
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1. A noise-reducing valve structure, comprising:

  • a unitary spindle-shaped body having a central lumen for receiving a fluid flow from one end and a poppet member from another end, the body having an inner diameter adjacent the central lumen and an outer diameter; and

    a circumferentially and axially distributed plurality of radial passages adapted to be opened and closed in accordance with a guided position of the poppet member, the plurality of radial passages extending through the unitary body from the inner diameter to the outer diameter and having a gradually increasing area from the inner diameter to the outer diameter.

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