ELECTRIC VACUUM CLEANER WITH CLOSED METHOD OF CLEANING IN COLD AND HOT MODES AND METHOD OF ITS OPERATION Russian patent published in 2017 - IPC A47L5/00 

FIELD: electricity.

SUBSTANCE: electric vacuum cleaner comprises a casing, an electric motor with a fan, air ducts with the built-in valves, a dust collection combined brush with the sucking and pumping nozzles. The thermal motor is located in the casing in the separate cooling chamber, the chamber communicates with the interior of the vacuum cleaner and the external space through the ducts and valves. Two fans are installed on the motor shaft, one of which is located in the cooling chamber, and the second one is derived into the main vacuum cleaner volume. The method of operating the electric vacuum cleaner is characterized by the closed cleaning cycle and implements the construction performance of the vacuum cleaner.

EFFECT: electric vacuum cleaner facilitates the cleaning process, improves the cleaning quality, reduces the noise level.

3 cl, 2 dwg