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suction device

A technology of suction device and channel device, which is applied in the direction of cleaning filter devices, etc., and can solve problems such as cumbersome structural design

Active Publication Date: 2021-03-09
FESTOOL GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This structure design is very cumbersome

Method used

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  • suction device
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Examples

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Embodiment Construction

[0077] The suction device 10 is designed, for example, as a household suction device or a workshop suction device. In principle, however, a stationary embodiment of the suction device 10 for a central suction system is possible.

[0078] The suction device 10 is shown in a partially strongly schematic manner in the figures. For example, the suction device can have rollers 11 on its suction housing 12 with which it can be rolled or parked on a substrate.

[0079] The suction housing 12 has, for example, a lower part 20 and a cover part 24 . The lower part 20 may be provided with rollers 11 . A suction port 18 is provided on the lower part 20 for allowing a suction flow, that is to say an air flow loaded with dirt, dust, etc., to flow into the dirt collection chamber 21 .

[0080] For example, a connection socket 19 for connection, in particular a plug-in or plug-in hose 16 , is provided on the intake end 18 . For example, the hose can be connected or can be connected at its...

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Abstract

The invention relates to a suction cleaner (10) having a suction subassembly (15) for generating a suction stream, and having a suction-cleaner housing (12), in which is arranged a dirt-collecting chamber (21), which has a suction inlet (18) and is flow-connected to the suction subassembly (15) via at least one filter (29) and a suction-extraction channel arrangement (25), wherein at least one external-air inlet (30), which can be closed by an external-air valve (5), is arranged on the suction-extraction channel arrangement (25), between the filter (29) and the suction subassembly (15), wherein the external-air valve (35) has an external-air-valve body (37) for closing the external-air inlet (30), it being possible for said body to be adjusted between a closed position (L), in which it closes the external-air inlet (30), and a through-passage position (O), in which it releases the external-air inlet (30) and in which external air flowing in through the external-air inlet (30) flows through the at least one filter (29), for cleaning purposes, in the direction of the dirt-collecting chamber (21). Provision is made for the suction cleaner (10) to have a pressure-control device (60) by means of which an actuating surface (51) connected to the external-air-valve body (37) can be subjected to negative pressure (U) in order to adjust the external-air-valve body (37) in the direction of the closed position (L) or to retain the external-air-valve body (37) in the closed position (L).

Description

technical field [0001] The invention relates to a suction device with a suction unit for generating a suction flow and a suction housing, in which a dirt collection chamber is arranged, the dirt collection chamber has a suction end and is passed through At least one filter and suction channel arrangement are fluidly connected to the suction assembly, wherein at least one through-air filter is arranged between the filter and the suction assembly at the suction channel arrangement. A valve capable of closing an external air input, wherein the external air valve has an external air valve body for closing the external air input, the external air valve body being in a closed position for closing the external air input and releasing the external air Adjustable between a straight-through position of the air inlet in which external air flowing in via the external air inlet flows through the at least one filter in the direction of the dirt collection chamber for cleaning . Backgroun...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A47L9/20
CPCA47L9/20
Inventor M.巴拉拜施
Owner FESTOOL GMBH
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