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A surface treatment appliance, a filter and components therefor

A filter assembly and throat technology, applied in the field of surface treatment tools, can solve the problems that the machine can not provide suction, the bypass valve is blocked by dirt, etc., and achieve the effect of good centripetal dust separation performance

Inactive Publication Date: 2018-07-31
CONTROL WIZARD PTY LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the bypass valve setting trips at -20 kPa, the machine is not giving good suction
[0008] Some machines utilize bypass valves upstream of the cyclone filter, but these have been found to become clogged quickly with dirt

Method used

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  • A surface treatment appliance, a filter and components therefor
  • A surface treatment appliance, a filter and components therefor
  • A surface treatment appliance, a filter and components therefor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0173] Figure 1 to Figure 3 and Figure 28 A cyclonic filter assembly unit 14 is shown whose air flow and suction can be increased when it is provided with a tangentially arranged injector unit 25 mounted around the rim periphery of the cyclone 14 .

[0174] The cyclone filter assembly unit 14 is configured to be installed in a vacuum cleaner (not shown), and the cyclone filter assembly unit 14 includes a housing ( Figure 28 99 in , but for clarity, in figure 1 ), the housing has a housing inlet 98 for the dirty air flow and a housing outlet 97 for the filtered air flow. Mounted in the housing 99 is a cyclone separator 14 having a plurality of cyclone inlets 16 , a dirt outlet 18 , and a clean air outlet 20 in fluid communication with the housing outlet 97 . There are a plurality of injector units 25 configured to deliver a flow of clean air from the exterior of the housing 99 and dirty air from the interior of the housing to the one or more cyclone inlets 16 . Each inj...

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PUM

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Abstract

A cyclone filtration assembly unit is described. The unit is configured to mount in a vacuum cleaner, and includes a housing having a housing inlet for a dirty air stream and a housing outlet for a filtered air stream; one or more cyclone separators mounted in the housing, each of the one or more cyclone separators comprising one or more cyclone separator inlets, at least one dirt outlet, and at least one clean air outlet in fluid communication with the housing outlet; and one or more injector units configured to deliver an airstream of clean air from outside the housing and dirty air from inside the housing to the one or more cyclone separator inlets, the injector unit comprising: a diffuser duct having an inlet end in fluid communication with the housing inlet to introduce dirty air fromthe housing inlet to the cyclone separator inlet, and an injector tube configured to inject clean air into the diffuser duct adjacent the inlet end, the injector tube being in fluid communication with a housing aperture at an inlet end to introduce clean air from outside the housing to the diffuser duct.

Description

technical field [0001] The technology generally relates to surface treatment appliances, including vacuum cleaners, floor scrubbers, and the like. The technology also relates to filters and filter components for surface treatment appliances. Background technique [0002] Surface treatment appliances utilizing cyclonic separation devices are known. [0003] The high performance of a cyclone separation device depends on good air velocity inside the cyclone separator. Each particle of dust, which is either dust or another type of particulate matter, rotates with the airflow in the cyclone separator, and the cyclone separator generates a certain centripetal force on it. According to the known formula: F=mv 2 / r, the centripetal force is related to velocity, mass and radius. [0004] Since force depends on the square of velocity, velocity is the most important factor in cyclonic separation. In a vacuum cleaner with a cyclone, the performance of the cyclone decreases when the ...

Claims

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Application Information

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IPC IPC(8): A47L5/18A47L9/16
CPCA47L9/0072A47L9/02A47L9/1625A47L9/1641A47L9/165B04C5/02B04C5/04B04C5/28
Inventor 康震
Owner CONTROL WIZARD PTY LTD
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