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Controlling cyclone efficiency with a vacuum interface

  • US 20050022483A1
  • Filed: 05/10/2002
  • Published: 02/03/2005
  • Est. Priority Date: 10/05/2000
  • Status: Active Grant
First Claim
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1. Powder recovery apparatus for a powder coating spray system, comprising:

  • a powder spray booth;

    a cyclone having an inlet thereto that receives powder entrained in air from said spray booth wherein said cyclone operates to separate powder from the air;

    said cyclone having an outlet for recovering said separated powder and an exhaust for air; and

    a negative pressure source coupled to said cyclone outlet;

    said negative pressure source producing an induced air volume that causes a substantial flow of powder from said cyclone outlet to a container to reduce powder lost through said cyclone exhaust.

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