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Venturi spray nozzle for a cleaning device

  • US 4,712,740 A
  • Filed: 03/17/1986
  • Issued: 12/15/1987
  • Est. Priority Date: 03/02/1984
  • Status: Expired due to Fees
First Claim
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1. A cleaning device comprising:

  • a source of cleaning fluid;

    a source of pressurized air;

    spray means connected to said fluid and air sources for educing fluid from said fluid source using said pressurized air and forcibly spraying said fluid onto a surface to be cleaned;

    said spray means including an air manifold provided by and internally of a housing which is open at one end and which is connected to said air source to pressurize said housing, said housing having separate, interconnected top and bottom walls and having a plurality of nozzle channels extending from said air manifold and formed by constrictions in at least one of said walls of said housing, said constrictions extending inwardly into said manifold from said open one end of said housing; and

    a fluid manifold connected to said fluid source and having a plurality of fingers extending therefrom, each finger being positioned in a respective nozzle channel so that pressurized air flowing through said channels educes fluid from said fingers.

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