US 12,465,962 B1
Wastewater treatment device, docking station for cleaning robot and cleaning system
Wen Li, Shenzhen (CN); Nengfeng Zhang, Shenzhen (CN); and Ning Cheng, Shenzhen (CN)
Assigned to TP-Link Systems Inc., Irvine, CA (US)
Filed by TP-Link Systems Inc., Irvine, CA (US)
Filed on Jan. 23, 2025, as Appl. No. 19/035,801.
Int. Cl. B08B 9/087 (2006.01); A47L 11/40 (2006.01)
CPC B08B 9/087 (2013.01) [A47L 11/4091 (2013.01); A47L 2201/02 (2013.01); B08B 2209/08 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A wastewater treatment device for a docking station for a cleaning robot, the wastewater treatment device comprising:
a wastewater tank, comprising a discharge opening at its bottom;
an actuator;
a blade, being actuated by the actuator to rotate within the wastewater tank in a plane substantially parallel with a bottom of the wastewater tank;
wherein the blade comprises an accessory part arranged transversely to a body of the blade, the accessory part being pressed to a first position when contacting with the bottom of the wastewater tank, and being elastically biased to a second position extending into the discharge opening of the wastewater tank when located in the discharge opening.