VACUUM CLEANER AND BATTERY UNIT Russian patent published in 2018 - IPC A47L7/00 

FIELD: human vital needs satisfaction.

SUBSTANCE: vacuum cleaner includes a cleaner body including a suction motor for generation of suction force, a suction unit communicating with the cleaner body and sucking air and dust, and a battery unit for supplying power to the suction motor. The battery unit includes a plurality of battery cells, an inner casing including a plurality of casings for members with a plurality of battery cells respectively arranged therein and spaced apart from each other, and an outer casing with an inner casing housed therein, including a flow channel in which air flows.

EFFECT: increased reliability.

20 cl, 9 dwg