Patent ID: 7653965
Filing Date: 2010-02-02
Classification: A47L

Abstract:
1. A carpet cleaning system for use over long runs comprising: a central tank and vacuum assembly facilitating the routing of clean and waste water, said central tank and vacuum assembly being for creation of vacuum pressure for recapturing water applied to a carpet being cleaned; a wand assembly adapted for applying clean water to a carpet to be cleaned, said wand assembly being adapted for recapturing said water in the form of waste water from the carpet; a hose assembly having a first end and a second end, said first end being operationally coupled to said central tank and vacuum assembly, said second end being operationally coupled to said wand assembly, said hose assembly being for conduction water and waste water between said wand assembly and said central tank and vacuum assembly; said vacuum assembly comprising a first blower member having a first inlet and a first outlet, said first blower assembly being configured to create a vacuum at said first inlet and exhaust air from said first outlet; a second blower member having a second inlet and a second outlet, said second blower assembly being configured to create a vacuum at said second inlet and exhaust air from said second outlet, said first and second inlets being coupled in parallel to increase airflow through said vacuum assembly; and a third blower member having a third inlet and a third outlet, said third blower assembly being configured to create a vacuum at said third inlet and exhaust air from said third outlet, said third outlet being operationally coupled to said first and second inlets, said third blower member being configured in series with a combination of said first and second blower members being coupled in parallel; wherein said third blower member being coupled in series to increase vacuum pressure created by said vacuum assembly.