Cyclonic Separating Apparatus

a technology of cyclonic separation and separating apparatus, which is applied in the direction of cleaning equipment, domestic applications, applications, etc., can solve the problems that no prior art arrangement achieves 100% separation efficiency, and achieve the effect of low risk of re-entrainment, efficient operation and no risk of blockag

Inactive Publication Date: 2008-11-27
DYSON TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0008]Preferably, the first cyclonic separating unit comprises a single first cyclone and, more preferably, the or each first cyclone is substantially cylindrical. This arrangement encourages larger particles of dirt and debris to be reliably collected and stored with a relatively low risk of re-entrainment.
[0009]Preferably, the second cyclonic separating unit comprises a plurality of second cyclones arranged in parallel and, more preferably, the number of

Problems solved by technology

None of the prior art arrangements achieves 100% separation efficiency (i.e. the ability reliably to sep

Method used

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  • Cyclonic Separating Apparatus
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  • Cyclonic Separating Apparatus

Examples

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Embodiment Construction

[0018]FIG. 1 shows a cylinder vacuum cleaner 10 having a main body 12, wheels 14 mounted on the main body 12 for maneuvering the vacuum cleaner 10 across a surface to be cleaned, and cyclonic separating apparatus 100 also mounted on the main body 12. A hose 16 communicates with the cyclonic separating apparatus 100 and a motor and fan unit (not shown) housed within the main body 12 for drawing a dirty airflow into the cyclonic separating apparatus 100 via the hose 16. Commonly, a floor-engaging cleaner head (not shown) is coupled to the distal end of the hose 16 via a wand to facilitate manipulation of the dirty air inlet over the surface to be cleaned.

[0019]In use, air drawn into the cyclonic separating apparatus 100 via the hose 16 has entrained dirt and dust separated therefrom in the cyclonic separating apparatus 100. The dirt and dust is collected within the cyclonic separating apparatus 100 while the cleaned air is channeled past the motor for cooling purposes before being eje...

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Abstract

A cyclonic separating apparatus includes a first cyclonic separating unit including at least one first cyclone, a second cyclonic separating unit located downstream of the first cyclonic separating unit and including at least one second cyclone, and a third cyclonic separating unit located downstream of the second cyclonic separating unit and including a plurality of third cyclones arranged in parallel. The separation efficiency of the first cyclonic separating unit is lower than the separation efficiency of the second cyclonic separating unit and the separation efficiency of the second cyclonic separating unit is lower than the separation efficiency of the third separating unit, thus achieving a higher separation efficiency than known separation apparatus.

Description

REFERENCE TO RELATED APPLICATIONS[0001]This application is a national stage application under 35 USC 371 of International Application No. PCT / GB2006 / 001661, filed May 8, 2006, which claims the priority of United Kingdom Application No. 0510864.2, filed May 27, 2005, the contents of both of which prior applications are incorporated herein by reference.FIELD OF THE INVENTION[0002]The invention relates to cyclonic separating apparatus. Particularly, but not exclusively, the invention relates to cyclonic separating apparatus suitable for use in vacuum cleaners.BACKGROUND OF THE INVENTION[0003]Vacuum cleaners which utilise cyclonic separating apparatus are well known. Examples of such vacuum cleaners are shown in EP 0042723, U.S. Pat. No. 4,373,228, U.S. Pat. No. 3,425,192, U.S. Pat. No. 6,607,572 and EP 1268076. In each of these arrangements, first and second cyclonic separating units are provided with the incoming air passing sequentially through each separating unit.SUMMARY OF THE INV...

Claims

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Application Information

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IPC IPC(8): A47L9/10A47L5/00A47L9/16B04C5/26B04C5/28
CPCA47L9/1625A47L9/1633A47L9/1641B04C5/26B04C5/28
Inventor COURTNEY, STEPHEN BENJAMINDYSON, JAMESGOMICIAGA-PEREDA, RICARDO
Owner DYSON TECH LTD
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