Suction nozzle with battery unit for a vacuum cleaner

摘要

The nozzle (1) has a suction opening (4) located at a base-side in a housing (3), and a cleaning roller (6) mounted in the housing in a rotatable manner. The cleaning roller is driven by an electric motor (5) that exhibits a power output over 40 watt. An accumulator unit (8) has energy density of above 200 watt-hour per liter based on overall volume of the accumulator unit. Energy capacity of the accumulator unit is larger than 40 watt-hour. The accumulator unit is alternatively arranged at or in the housing. The accumulator unit is based on lithium-ion-system.