Patent ID: 6536683
Filing Date: 2003-03-25
Classification: A23G,B05B

Abstract:
A liquid spraying system comprising a spray head having at least one spray nozzle for discharging a liquid spray, a liquid supply system for directing pressurized supply liquid to the spray head with a portion of the supply liquid being directed from said spray head as a discharging spray and a portion of the supply liquid exiting the spray head as a return liquid,said liquid supply system including first and second selectively pressurizable liquid containable tanks, said first tank having a first fluid conduit coupled to said spray head, said second tank having a second fluid conduit coupled to said spray head, said liquid supply system having a first cycle of operation in which said first tank is pressurized and said second tank is depressurized so that pressurized liquid is supplied from said first tank to said spray head and return liquid is directed through said second conduit to said second tank, and said liquid supply system having a second cycle of operation in which said second tank is pressurized and said first tank is depressurized so that pressurized liquid is supplied to said spray head from said second tank through said second conduit and return liquid is directed through said first conduit to said first tank.