Hard floor surface cleaner utilizing an aerated cleaning liquid
AssigneeTennant Company
InventorsBruce F. Field, Bryan L. Christensen, Michael L. Blehert
Life of this patent
Estimating the term…
Abstract
A hard floor surface cleaning apparatus includes an aerator, a rotating scrub medium engaging the hard floor surface, a fluid conveyor, and a fluid recovery device. The aerator is configured to produce a foam-like aerated cleaning liquid from a cleaning liquid. The fluid conveyor is coupled to the aerator and is configured to deliver the aerated cleaning liquid onto the scrub medium. The fluid recovery device is configured to remove soiled solution from the hard floor surface.
Claims16
A movable device for a hard floor surface cleaning process comprising:
- an aerator configured to produce a foam-like aerated cleaning liquid from a cleaning liquid;
- rotatable scrub medium configured to engage the hard floor surface;
- a fluid conveyor in fluid communication with the aerator, said fluid conveyor configured to deliver the aerated cleaning liquid onto the scrub medium;
- and
- a fluid recovery device having a fluid recovery tank, the fluid recovery device configured to remove and collect soiled solution from the hard floor surface.
A device of clam 10 wherein the defoaming device includes a device for dispensing a chemical defoamer.
A surface maintenance vehicle for a hard floor surface cleaning process comprising:
- a tank holding water;
- a chemical dispenser configured to mix a chemical with water from the tank to form a cleaning liquid;
- an aerator configured to generate an aerated cleaning liquid from the cleaning liquid;
- a scrub brush configured to engage the hard floor surface;
- a fluid conveyor in fluid communication with the aerator, said fluid conveyor configured to deliver the aerated cleaning liquid onto the scrub brush;
- and
- a fluid recovery device having a fluid recovery tank, the fluid recovery device configured to remove and collect soiled solution from the hard floor surface.
Dependencies are inferred from the claim text.