Patent ID: 6360964
Filing Date: 2002-03-26
Classification: B08B,B60S,Y10T

Abstract:
An enclosed mobile pressure sprayer apparatus comprising:a mobile trailer having four outer walls a roof and a floor, said walls including at least one door for access to an internal area of said trailer, said trailer divided into at least two sections defined as a pump section and a storage section; an inlet valve secured to an outer wall of said trailer available for coupling to a low pressure water source, said inlet valve including a backflow preventer; a first three way selection valve secured to an outer wall of said trailer, said first selection valve having an inlet fluidly coupled to an outlet of said backflow preventer and selectable between a water source line and a raw chemical source line; a second three way selection valve secured to an outer wall of said trailer fluidly coupled to said water source line and said raw chemical source line and selectable there between to a common output; a storage tank fluidly coupled to said common output of said second selection valve; a high pressure displacement pump mounted within said pump section of said trailer having an inlet fluidly coupled to said storage tank; a third three way selection valve secured to an outer wall of said trailer and fluidly coupled to said pump for directing pressurized fluid to a pressurized outlet or to said storage tank; a regulatory valve secured to an outer wall of said trailer and fluidly coupled to said pressurized outlet of said third section valve for controlling the pressure of fluid from said pump and providing a selective return of fluid to said storage tank; a sprayer control coupled to an outlet of said regulatory valve, said sprayer control held by an operator for directing fluid output from said regulatory valve for use in pressure washing.