DEVICE FOR AUTOMATIC ADJUSTMENT OF VACUUM CLEANER SUCTION CAPACITY Russian patent published in 2013 - IPC A47L9/28 

FIELD: personal use articles.

SUBSTANCE: invention relates to a device for automatic adjustment of the vacuum cleaner suction capacity. According to the invention, the device increases the vacuum cleaner motor-and-blower unit electric capacity exactly as far as required for optimal cleaning of specific surfaces and according to the requirements of the corresponding mode of the vacuum cleaner operation. The device maintains optimal efficiency of cleaning throughout the vacuum cleaner service life. Due to constant suction capacity virtually continuously in place at the suction nozzle 8, dust and mud particles are invariably captured and directed to the dust collector 3 with constant suction capacity.

EFFECT: careful treatment of surfaces being cleaned and energy saving.

13 cl, 3 dwg