High pressure extractor
First Claim
Patent Images
1. A floor cleaning device comprising:
- a base;
a cleaning fluid supply tank carried by the base;
a source of pressure communicating with the cleaning fluid supply tank which pressurizes a cleaning fluid held in the cleaning fluid supply tank to an above atmospheric pressure; and
a fluid delivery system which delivers pressurized cleaning fluid from the cleaning fluid supply tank to a surface to be cleaned.
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Abstract
A floor cleaning device includes a base. A cleaning fluid supply tank is carried by the base. A source of pressure communicates with the cleaning fluid supply tank which pressurizes a cleaning fluid held in the cleaning fluid supply tank to an above atmospheric pressure. A fluid delivery system delivers pressurized cleaning fluid from the cleaning fluid supply tank to a surface to be cleaned.
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Citations
30 Claims
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1. A floor cleaning device comprising:
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a base;
a cleaning fluid supply tank carried by the base;
a source of pressure communicating with the cleaning fluid supply tank which pressurizes a cleaning fluid held in the cleaning fluid supply tank to an above atmospheric pressure; and
a fluid delivery system which delivers pressurized cleaning fluid from the cleaning fluid supply tank to a surface to be cleaned. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method of cleaning a surface comprising:
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supplying a pressurized gas to a cleaning liquid supply tank;
pressurizing a cleaning liquid held in the liquid supply tank;
delivering the pressurized cleaning liquid to a distributor which applies the cleaning liquid to a surface to be cleaned; and
,suctioning cleaning liquid from the floor into a recovery tank. - View Dependent Claims (21, 22)
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23. A carpet extractor comprising:
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a housing;
a first cleaning liquid tank mounted to the housing;
a fluid delivery system which delivers a cleaning liquid from the cleaning liquid tank to a surface to be cleaned;
a heater which heats the cleaning liquid before it exits said fluid delivery system, the heater operating at a first power level in a warm-up phase and at a second power level, lower than the first power level, in an operational mode;
a suction source carried by the housing, which functions only in the operational mode; and
,a suction nozzle which fluidly communicates with the suction source, for withdrawing the cleaning liquid from the surface. - View Dependent Claims (24, 25, 26, 27, 28)
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29. An extractor comprising:
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a housing;
a cleaning fluid supply tank carried by the housing, for holding a cleaning fluid;
a heater, carried by the housing, which heats the cleaning fluid;
a fluid delivery system which delivers cleaning fluid from the cleaning fluid supply tank to a surface to be cleaned;
a suction nozzle which withdraws dirty fluid from the surface;
a suction source which fluidly communicates with the suction nozzle; and
a control system which controls delivery of power to the suction source and the heater, the control system having a warm up mode, in which power is delivered at a first level to the heater and no power is delivered to the suction source, and an operational mode, in which power is delivered at a second, lower, level to the heater, and power is delivered to the suction source. - View Dependent Claims (30)
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Specification