US 12,256,875 B2
Portable hard surface cleaning appliance
Juergen Zuger, Gerlingen (DE); Saulius Martinkenas, Schwaikheim (DE); Christoph Frohmader, Rieden (DE); Hannes Belz, Backnang (DE); Daniel Krohm, Leutenbach (DE); and Christian Stewen, Marbach a. N. (DE)
Assigned to ALFRED KÄRCHER SE & CO. KG, Winnenden (DE)
Filed by Alfred Kärcher SE & Co. KG, Winnenden (DE)
Filed on Aug. 25, 2020, as Appl. No. 17/002,440.
Application 17/002,440 is a continuation of application No. PCT/EP2018/054673, filed on Feb. 26, 2018.
Prior Publication US 2020/0383532 A1, Dec. 10, 2020
Int. Cl. A47L 1/05 (2006.01); A47L 5/24 (2006.01); A47L 7/00 (2006.01); A47L 9/06 (2006.01); A47L 9/28 (2006.01)
CPC A47L 1/05 (2013.01) [A47L 5/24 (2013.01); A47L 7/0009 (2013.01); A47L 7/0019 (2013.01); A47L 7/0023 (2013.01); A47L 7/0042 (2013.01); A47L 9/0626 (2013.01); A47L 9/2857 (2013.01); A47L 9/2884 (2013.01)] 29 Claims
OG exemplary drawing
 
1. A portable hard surface cleaning appliance for squeegeeing and suctioning a liquid from a hard surface, in particular from a window pane, comprising:
a suction nozzle, which has a suction opening at which at least one squeegee lip is arranged;
an electrical device, which has a suction turbine in flow connection with the suction nozzle for suctioning a liquid air mixture from the suction opening, an electric motor, an electronic control system, and at least one rechargeable battery;
a separating device, which is arranged in a flow path between the suction nozzle and the suction turbine for separating liquid from the suctioned liquid air mixture; and
a liquid tank for receiving the separated liquid,
wherein the hard surface cleaning appliance comprises an inner housing arrangement and an outer housing arrangement,
wherein the inner housing arrangement accommodates the separating device and the electrical device, and the outer housing arrangement surrounds the inner housing arrangement,
wherein the inner housing arrangement comprises a separating housing, in which the separating device is arranged and which comprises a first separating housing part and a second separating housing part, which are connectible to each other in a liquid-tight manner
wherein one of the first and second separating housing parts comprises an inlet channel into which an end portion of a suction conduit of the suction nozzle dips.