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US 12,453,449 B2Granted
Self-cleaning system and method for extraction cleaners
AssigneeBISSELL Inc.
InventorsAlan J. Krebs, Kenneth M. Lenkiewicz, Scott Miller Vogel, Aaron P. Griffith, Eric Daniel Buehler, Jeffrey A. Scholten, Jake Boles
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Abstract
Systems and methods for self-cleaning an extraction cleaner are provided. The extraction cleaner includes a suction nozzle defining a suction pathway, a fluid distributor configured to dispense cleaning fluid to a surface to be cleaned, and a nozzle flushing manifold configured to spray cleaning fluid into the suction pathway of the suction nozzle.
Claims20
An extraction cleaner comprising:
- a fluid delivery system comprising a supply container;
- a recovery system comprising a recovery container, a suction nozzle defining a suction pathway, and a suction source in fluid communication with the suction nozzle and configured to generate a working air stream through the suction pathway;
- a brush chamber;
- and
- an agitator within the brush chamber;
- wherein the fluid delivery system further comprises:
- a fluid distributor in fluid communication with the supply container, the fluid distributor configured to deposit a cleaning fluid onto the agitator and/or onto a surface to be cleaned;
- and
- a nozzle flushing manifold in fluid communication with the supply container and comprising a plurality of distributor outlets configured to spray cleaning fluid into the suction pathway.
6 more elements
Dependencies are inferred from the claim text.