DUST-COLLECTING DEVICE AND ELECTRIC VACUUM CLEANER Russian patent published in 2011 - IPC A47L5/00 

FIELD: personal use articles.

SUBSTANCE: invention relates to a dust-collecting device, comprising a filter located inside a jacket body, including a hole for air suction and an outlet hole, and to an electric vacuum cleaner that comprises it. The first filter is located on the first inclined surface inclined at the angle of not more than 45 degrees relative to the axial direction (direction of an arrow X) of the flow channel, comprising a horizontal element inside the jacket body, so that a part of the first filter is located in a position A of the ledge on the form of the air suction hole. The dust almost does not stick to the first filter, and suction resistance may be ensured. It is not necessary to arrange the whole first filter next to the hole for air suction, so that a dust-collecting volume may be ensured, the filter are may be increased to prevent reduction of suction efficiency.

EFFECT: invention prevents reduction of suction efficiency to maintain suction and dust-collecting volume.

11 cl, 11 dwg