US 12,011,127 B2
Floor cleaner
Rafael Davila, Kannapolis, NC (US); Robert McRorie, Huntersville, NC (US); and Yogeshwar Sookdeo, Archdale, NC (US)
Assigned to Techtronic Floor Care Technology Limited, Tortola (VG)
Filed by Techtronic Floor Care Technology Limited, Tortola (VG)
Filed on May 22, 2023, as Appl. No. 18/321,672.
Application 18/321,672 is a continuation of application No. 17/131,147, filed on Dec. 22, 2020, granted, now 11,653,809.
Claims priority of provisional application 62/975,982, filed on Feb. 13, 2020.
Prior Publication US 2023/0337883 A1, Oct. 26, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A47L 11/40 (2006.01); B01D 45/08 (2006.01)
CPC A47L 11/4016 (2013.01) [A47L 11/4027 (2013.01); A47L 11/4077 (2013.01); B01D 45/08 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A floor cleaner comprising:
a fluid flow path extending from a dirty air inlet to a clean air outlet;
a fluid flow motor positioned in the fluid flow path;
a recovery tank positioned in the fluid flow path having a top portion, a bottom portion, and a sidewall extending between the top portion and the bottom portion,
the recovery tank configured to receive liquid-laden air from the dirty air inlet, the recovery tank having a recovery tank inlet forming an inlet passageway in fluid communication with the dirty air inlet and a recovery tank outlet in fluid communication with the clean air outlet;
a baffle with a baffle wall surrounding a baffle axis, the baffle wall having an upper end and a lower end opposite the upper end, the baffle having a first side and a second side opposite the first side, a first surface toward the clockwise direction that extends downwardly toward the lower end of the baffle wall in a direction from the first side toward the second side, and a second surface toward the counter clockwise direction that extends downwardly toward the lower end of the baffle wall in a direction from the first side toward the second side,
the baffle aligned with the inlet passageway, the inlet passageway configured to direct a stream of liquid-laden air against the first side of the baffle wall directing a first portion of the liquid circumferentially around the baffle in a clockwise direction and a second portion in a counter clockwise direction to separate the liquid from the air;
wherein the first surface and the second surface directs the first portion and the second portion of the stream of liquid in the respective circumferential direction and an axial direction.