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Cyclonic dust collector

A technology of dust collecting device and cyclone, applied in vacuum cleaners, suction filters, cleaning equipment, etc., can solve the problem of low dust collection effect, and achieve the effect of preventing re-scattering and improving dust collection effect.

Inactive Publication Date: 2009-08-26
LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, the existing cyclone dust collection device has the problem that the dust collection effect is low due to the re-scattering of dust.

Method used

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  • Cyclonic dust collector
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Embodiment Construction

[0042] Parts that are the same as those in the prior art are assigned the same names and symbols, and detailed description thereof will be omitted.

[0043] The same part of the present invention as the prior art is that the dust collection device includes a primary cyclone 1 and a secondary cyclone 3 connected to the primary cyclone 1 . Only, the structure of the first outlet 14 of the primary cyclone 1 in the present invention is different from that of the prior art.

[0044] The above description of the prior art, before the present invention, it is generally believed that the lower part of the first outflow port 14 of the primary cyclone 1 should be in the shape of an opening, while the upper part should be in a state without through holes. That's because, if you want to use the principle of the cyclone to collect dust, the inflowing air will rotate downward along the inner wall of the body, and at the same time separate the dust, and then rise to about the center to be di...

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PUM

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Abstract

A cyclone dust collection device, comprising a body with an inlet for sucking in air, and an outlet for discharging air from the body, which is arranged inside the body; and a re-spreading device for preventing the dust collected at the bottom of the body from being scattered again is set at the lower part of the outlet. A scattering preventing member; wherein the outlet includes a through-hole portion forming a plurality of holes, and a closing portion located below the through-hole portion. The invention can improve dust collection performance.

Description

technical field [0001] The invention relates to a cyclone dust collecting device. Background technique [0002] The cyclone dust collection device is a device that uses the principle of a cyclone to collect dust and dust in the air (hereinafter "dust"). Dust collecting devices are used in many fields, and they are mainly suitable for vacuum cleaners for household use. In order to improve the dust collection performance, recently, a multi-cyclone dust collector (Dual Cyclone Collector) in which a plurality of cyclone dust collectors are connected is generally used. That is, the multiple dust collection device is composed of an upstream cyclone (upstream cyclone) that sucks air containing dust (hereinafter "polluted air") and collects relatively large dust, and is connected to the above-mentioned upstream cyclone to collect relatively small dust The downstream side cyclone (downstream cyclone) constitutes. Multiple dust collection devices generally use an upstream side cycl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A47L9/10A47L9/00
Inventor 玄起卓曺亨周郑景善
Owner LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD