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Mobile foam producing unit

  • US 7,959,091 B2
  • Filed: 04/13/2009
  • Issued: 06/14/2011
  • Est. Priority Date: 05/04/2007
  • Status: Active Grant
First Claim
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1. A mobile foam producing unit for dispensing a first liquid and a second liquid using a municipal water supply providing water at a pressure of less than 100 psi, comprising:

  • (a) a base having a plurality of wheels;

    (b) a housing operatively connected to the base, the housing having first, second, third and fourth sides, the housing having a first docking area for receiving a first liquid and a second docking area for receiving a second liquid;

    (c) an air compressor for supplying compressed air operatively connected to the base;

    (d) a water pump, having a water pump inlet and a water pump outlet, operatively connected to the base;

    (e) a first hose assembly having a first outer hose and a first inner hose;

    (f) a second hose assembly having a second outer hose and a second inner hose;

    (g) a water inlet, the water inlet having a first opening adapted and configured to be connected to a municipal water supply and a second opening in fluid communication with the water pump inlet;

    (h) a rechargeable battery operatively connected to the base, the rechargeable battery being used to power the air compressor and the water pump;

    (i) the water inlet, through the water pump, in fluid communication with the first outer hose and the water inlet in fluid communication with the second outer hose;

    (j) the first liquid in fluid communication with the first outer hose, wherein a use solution is made;

    (k) the air compressor in fluid communication with the first inner hose;

    (l) the second liquid in fluid communication with the second inner hose;

    (m) a first spray gun operatively connected to a discharge end of the first hose assembly, whereby foam is dispensed by combining the use solution in the first outer hose and the compressed air in the first inner hose;

    (n) a second spray gun operatively connected to a discharge end of the second hose assembly, the second spray gun having a selector valve for allowing separate dispensing of the water in the second outer hose and the second liquid in the second inner hose;

    (o) a first hose rack operatively connected to a first side of the housing, wherein the first hose assembly is storable on the first hose rack; and

    (p) a second hose rack operatively connected to a second side of the housing, wherein the second hose assembly is storable on the second hose rack.

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