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electric vacuum cleaner

A vacuum cleaner, electric technology, applied in the direction of vacuum cleaners, suction filters, household appliances, etc., can solve the problems of lowering, lowering the suction power of the electric blower, blocking the ventilation of the dust bag, etc.

Active Publication Date: 2016-01-27
TOSHIBA LIFESTYLE PROD & SERVICES CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the case of an electric vacuum cleaner using a dust bag, when dust accumulates in the dust bag, the dust bag becomes clogged and the air permeability decreases. If it exceeds the specified amount, it will leak from the centrifugal separation part together with the air and adhere to the filter, which may reduce the suction power of the electric blower.

Method used

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Experimental program
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Embodiment Construction

[0024] Hereinafter, the configuration of the first embodiment will be described with reference to the drawings.

[0025] First, in Figure 4 Among them, 11 represents a so-called canister electric vacuum cleaner, and this electric vacuum cleaner 11 has a pipe part 12 as a suction air passage body (air passage forming body) and a vacuum cleaner main body 13 detachably connected to the pipe part 12 .

[0026] The pipe part 12 is equipped with: a connecting pipe part 15, which is connected to the vacuum cleaner main body 13; a flexible hose body 16, which communicates with the front end side (the upstream side of the suction air path) of the connecting pipe part 15; On the front end side of the hose body 16 (the upstream side of the suction air path); the extension pipe 18 is detachably connected to the front end side of the hand operation part 17 (the upstream side of the suction air path); and the ground brush 19, It is selectively and detachably connected to the front end sid...

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PUM

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Abstract

Provided is an electric dust collector capable of reliably preventing blockage of a filter caused by excessive storage of dust of a second separating part. The electric dust collector (11) has an electric air blower (31). The electric dust collector (11) has a second separating part communicated to a suction side of the electric air blower (31) and used for centrifugally separating and collecting the dust from the dust-containing suction side. The electric dust collector (11) has an optical sensor (84) arranged between the filter and the second separating part and used for detecting the amount of dust therethrough. The electric dust collector (11) has a control mechanism (34) which performs control to reduce input of the electric dust collector (11) in the case that the amount of the dust detected by the optical sensor (84) is more than specified amount.

Description

technical field [0001] The present invention relates to an electric vacuum cleaner provided with a filter between a suction side of an electric blower and a centrifugal separation unit. Background technique [0002] Conventionally, there is an electric vacuum cleaner provided with a filter between an electric blower and a dust collection unit for collecting dust sucked by driving the electric blower. [0003] As the dust collection unit, a structure equipped with a dust bag such as a paper bag as a filter, or a so-called cyclone type centrifugal separation unit that rotates dust-containing air to centrifugally separate the dust (cyclone separation), etc. . [0004] In the case of an electric vacuum cleaner using a dust bag, when dust accumulates in the dust bag, the dust bag becomes clogged and the air permeability decreases. If it exceeds the specified amount, it will leak from the centrifugal separation part together with the air and adhere to the filter, which may reduc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A47L9/10A47L9/00A47L5/22
CPCA47L5/362A47L9/12A47L9/1683A47L9/19A47L9/2815A47L9/2842
Inventor 阿部裕介石泽明弘宇根正道生沼重徳铃木仁
Owner TOSHIBA LIFESTYLE PROD & SERVICES CORP