Portable hard surface cleaning appliance

US12256875B2 · kind B2 · utility

Assignee

• ALFRED KÄRCHER SE & CO. KG · DE

Inventors

• Juergen Zuger · Gerlingen, DE
• Saulius Martinkenas · Schwaikheim, DE
• Christoph Frohmader · Rieden, DE
• Hannes Belz · Backnang, DE
• Daniel Krohm · Leutenbach, DE
• Christian Stewen · Marbach, DE

Key dates

• Filing date: Aug 25, 2020
• Grant date: Mar 25, 2025
• Expiry date: May 17, 2043

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A47L9/2884
• WIPO field: Furniture, games
• WIPO sector: Other fields

Abstract

A portable hard surface cleaning appliance is provided, including a suction nozzle having a suction opening at which at least one squeegee lip is arranged, an electrical device having 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, at least one rechargeable battery, a separating device arranged in the 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. The hard surface cleaning appliance includes 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.