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Flow amplifying nozzle

  • US 4,195,780 A
  • Filed: 12/27/1978
  • Issued: 04/01/1980
  • Est. Priority Date: 12/01/1977
  • Status: Expired due to Term
First Claim
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1. A fluid-directing flow-amplifying nozzle comprising a rear body section and a forwardly-extending nozzle section;

  • said body section including an axial portion, a cylindrical sleeve portion spaced radially from said axial portion, and an annular transverse wall portion extending therebetween;

    said axial, sleeve, and wall portions together defining a forwardly-facing annular recess;

    said nozzle section being threadedly and adjustably connected to said axial portion and having a rearwardly-projecting cylindrical collar received within said forwardly-facing recess;

    said collar being spaced radially from said axial portion to define an annular distribution chamber therebetween and being spaced radially from said sleeve portion to form an annular forwardly-extending flow-directing passage; and

    passage means provided by said body section for conducting a primary fluid under pressure into said distribution chamber;

    said collar having a rearwardly-facing annular surface movable in relation to said transverse wall portion of said body to define a selectively variable metering passage for altering the flow of primary fluid from said nozzle as the position of said threaded nozzle section is adjusted with respect to said body section.

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