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High energy loss nested sleeve fluid control device

  • US 3,954,124 A
  • Filed: 12/05/1973
  • Issued: 05/04/1976
  • Est. Priority Date: 12/05/1973
  • Status: Expired due to Term
First Claim
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1. In an energy loss fluid control device having a casing defining a fluid flow passage and a cage in the casing receiving the fluid therethrough, the improvement which comprises said cage being composed of a plurality of nested concentric tubular sleeves defining tiers of annular chambers in nested radial relation, and orifices in each sleeve registering with adjacent chambers of said annular chambers in circumferentially offset relation with the orifices of the next adjacent sleeve to provide tortuous elongated flow paths for fluid flowing through the cage.

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