CN103445717B - Portable surface cleaning sucking appts - Google Patents
Portable surface cleaning sucking appts Download PDFInfo
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- CN103445717B CN103445717B CN201310031230.XA CN201310031230A CN103445717B CN 103445717 B CN103445717 B CN 103445717B CN 201310031230 A CN201310031230 A CN 201310031230A CN 103445717 B CN103445717 B CN 103445717B
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Abstract
The present invention relates to a kind of portable surface cleaning sucking appts, comprising: suction nozzle, the suction channel being connected with this suction nozzle, the container that catchments, moisture separator for separating of liquified air mixture; Suction channel is arranged in and catchments in container, and moisture separator string is located on suction channel; Moisture separator comprises: the rotator being suitable for rotating being located in suction channel, and the rotating shaft of this rotator distributes along the air flow line in suction channel; The space that suction channel is provided with the container that catchments communicates of this rotator contiguous. The present invention adopts the principle of rotating centrifugal to realize being separated of liquid and air, when liquified air mixture flows on described rotator, liquid rotates with this rotator and produces centrifugal force, and under the effect of this centrifugal force, space on suction channel enters the container that catchments, and air is discharged by suction channel, and then achieve being separated of liquid and air.
Description
Technical field
The present invention relates to the technical field of cleaning appliance, specifically a kind of portable surface cleaning sucking appts, it is applicable to draw liquid air mixture from body surface, and liquid is separated from described liquified air mixture, then by liquid stored in a liquid collecting container.
Background technology
The liquid on crust such as window-glass can be drawn by means of this kind of suction unit. For this reason, produce suction airstream by means of suction unit, and sucked the mixture formed by liquid and air by suction nozzle with battery unit. Liquid can be separated from the mixture that liquid and air are formed by means of tripping device and transfer in liquid collecting container. User manually guides surfacewise this surface suction unit on the surface needing to be drawn.
Chinese patent literature CN101909499B discloses a kind of portable hard surface vacuum, this hard surface vacuum has suction nozzle with battery unit and suction unit and tripping device and dirty fluid box, described suction unit is connected with suction nozzle with battery unit flowing, liquid air mixture is drawn for from crust, tripping device is used for separating liquid from liquified air mixture, and dirty fluid box is for holding separated liquid. It is furnished with separate chamber between suction nozzle with battery unit and suction unit, this separate chamber holds tripping device, and separate chamber is connected with the suction port flowing of suction nozzle with battery unit by suction channel and is connected with suction unit flowing by low pressure pipeline, and separate chamber is connected with dirty fluid box by spout.
Above-mentioned the deficiencies in the prior art part is: there is separate chamber and dirty fluid box simultaneously, causes product overall volume relatively big, is unfavorable for that user portably uses.
Summary of the invention
Technical problem to be solved by this invention is to provide the portable surface cleaning sucking appts that a kind of structure is simple, volume is less, it is suitable for drawing liquid air mixture from body surface, and liquid is separated from described liquified air mixture, then by liquid stored in a liquid collecting container.
In order to solve the problem, the present invention provides a kind of surface cleaning suction unit, comprising: suction nozzle, the suction channel being connected with this suction nozzle and the container that catchments; Characterized by further comprising: for separating of the moisture separator of liquified air mixture; Described suction channel catchments in container described in being arranged in, and described moisture separator string is located on described suction channel; Described moisture separator comprises: the rotator being suitable for rotating being located in described suction channel, and the rotating shaft of this rotator distributes along the air flow line in described suction channel; The space that described suction channel is provided with the described container that catchments communicates of this rotator contiguous.
For realizing pumping function, being convenient to the enforcement mode of portable use as another kind, this surface cleaning suction unit also comprises: the sucktion fan being connected with the end of this suction channel. If not using sucktion fan, it is also possible to adopt the suction pipe of suction cleaner to be connected with the end of described suction channel, to realize pumping function.
Catchment described in described moisture separator the is contiguous center of container is arranged, so both it is beneficial to moisture separator to be entered by water and catchment in container, the water that the container storage that can make to catchment again is more, that is: when the water level catchmented in container is lower than certain value, suction unit is under any use angle, and the water in container that catchments not easily is back in moisture separator or described suction channel.
For improving the centrifugal effect of liquid on described rotator, described rotator is cone-shaped body or plane body or conical pallidum, and described rotating shaft is on the center axis of this rotator; Wherein, the end face of cone-shaped body, conical pallidum is relative with described air-flow.
As one preferred embodiment, described suction channel comprises: forward and backward pipe; Described moisture separator also comprises: sleeve, and the inwall of this sleeve is connected with the bottom margin of described rotator by multiple connection muscle; The sidewall of this sleeve is distributed with through hole; The two ends of described sleeve are sheathed on the adjacent port of described forward and backward pipe respectively. During work, air is suitable for passing through from the gap between multiple connection muscle, and discharges from the end of described suction channel. Liquid is suitable for from the container that catchments described in the through hole described sleeve enters. Described sleeve is suitable for preventing the liquid catchmenting in container from entering from the adjacent port of described forward and backward pipe. Meanwhile, the adjacent port of described forward and backward pipe is arranged with the sealing-ring that self-lubricating material (as: tetrafluoroethylene) is made, makes two ends port rotary seal adjacent with the described forward and backward pipe cooperation respectively of described sleeve.
Modification as such scheme: described rotator is multiple ribs being connected with rotating shaft; Preferred as one, each rib is uniformly distributed along a conical surface relative with described air flow line, makes liquid generation centrifugal force and the effect of the container that catchments described in entering to improve further. Described suction channel comprises: forward and backward pipe; Described moisture separator also comprises: sleeve, and the inwall of this sleeve is connected with the outer end of described rib, and is distributed with through hole on the sidewall of this sleeve; The two ends of described sleeve are sheathed on the adjacent port of described forward and backward pipe respectively.
As the optional embodiment of one, the rotating shaft of described rotator is connected with the rotating shaft transmission of described sucktion fan, or described rotator adopts a motor to drive.
In order to realize adopting the mode of assembly to realize quick assembling, when specifically implementing, the sucktion fan being connected with the end of described suction channel comprises: be connected with the rear end of described rear pipe and be one on lead wind cover, be suitable for leading wind cover with this being led under wind cover is connected, upper and lower wind cover of leading is suitable for forming a cavity, it is provided with fan blade in this cavity, the outer side wall of this cavity is distributed with venting port, under lead wind cover rear end be provided with this under lead the motor casing of wind cover in one, be provided with the motor for driving described fan blade in this motor casing; This motor casing is arranged in the shell of this suction unit by multiple cushion blocking.
As another kind of optional embodiment, the fan blade of described rotator and described sucktion fan rear and front end with the rotating shaft of a motor is in transmission connection respectively.
When specifically implementing, described suction nozzle is dovetail shaped, and the entrance of this suction nozzle is provided with upper and lower sheet rubber in strip and setting up and down; The anterior border of this lower sheet rubber is distributed with breach, and the upper surface of this lower sheet rubber is distributed with and the groove that each breach is connected; The anterior border of upper sheet rubber is suitable for covering the anterior border of lower sheet rubber.
As another kind of optional embodiment, described rear pipe internal fixtion is provided with sleeve pipe, and the two ends of the transmission shaft being arranged in this sleeve pipe are connected with the output shaft of described rotator with the motor in described sucktion fan respectively; Described sleeve pipe is rotatably assorted with described transmission shaft by one pair of copper cover or tetrafluoroethylene cover.
When specifically implementing, described in the container that catchments be transparent vessel, this container that catchments is provided with and is used to indicate the graduated scale that liquid level arrives described moisture separator height; When reaching the warning water level on graduated scale when the liquid level in the container that catchments, user need open described in catchment container water port on rubber chock plug discharge water.
In order to convenient for assembly, before described, pipe and the outlet of described suction nozzle are in one; Before described, pipe coordinates with the inlet seal of the described container that catchments; The outlet of described rear pipe coordinates with the exit seal of the described container that catchments.
As one preferred embodiment, described rotating shaft is distributed on the medullary ray of described suction channel.
The present invention has positive effect relative to prior art: the moisture separator of (1) the present invention adopts the principle of rotating centrifugal to realize being separated of liquid and air, specifically adopt the rotator being suitable for rotating being located in described suction channel, when liquified air mixture flows on this rotator, liquid rotates with this rotator and produces centrifugal force, and under the effect of this centrifugal force, space on described suction channel enters the container that catchments, and air is discharged by described suction channel, and then achieve being separated of liquid and air. (2) the portable surface cleaning sucking appts of the present invention, catchments in container described in suction channel is arranged in, and described moisture separator string is located on described suction channel; Avoiding of the prior art needs separate chamber and dirty fluid box independently to exist, takies the bigger problem in space; Therefore the moisture separator of the present invention has the less feature of volume.
Accompanying drawing explanation
In order to make the content of the present invention be more likely to be clearly understood, below basis specific embodiment and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein:
Fig. 1 is the internal structure schematic diagram figure of the suction unit of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the decomposition chart of the assembly being made up of the sucktion fan in Fig. 1, moisture separator and part suction channel;
Fig. 4 is the assembly structure figure of the assembly shown in Fig. 3;
Fig. 5 is the stereographic map of the sleeve in Fig. 3;
Fig. 6 is the rear view of the sleeve in Fig. 5;
Fig. 7 is another kind of structure iron of the rotator in embodiment;
Fig. 8 is the third structure iron of the rotator in embodiment;
Fig. 9 is the 4th kind of structure iron of the rotator in embodiment;
Figure 10 is the 5th kind of structure iron of the rotator in embodiment;
Figure 11 is the 6th kind of structure iron of the rotator in embodiment;
Figure 12 is the local structural graph of the upper surface of the lower sheet rubber in embodiment.
Embodiment
Embodiment 1
Such as Fig. 1, the portable surface cleaning sucking appts of the present embodiment, comprising: suction nozzle 1, the suction channel 2 being connected with this suction nozzle 1, the container 3 that catchments, the moisture separator 4 for separating of liquified air mixture, the sucktion fan 5 that is connected with the end of this suction channel 2.
Described suction channel 2 catchments in container 3 described in being arranged in, and described moisture separator 4 string is located on described suction channel 2; Described moisture separator 4 comprises: the rotator 4-3 being suitable for rotating being located in described suction channel 2, and the rotating shaft 4-30 of this rotator 4-3 distributes along the air flow line in described suction channel 2; The space that described suction channel 2 is provided with the described container 3 that catchments communicates of contiguous this rotator 4-3. Described rotator 4-3, when its rotating shaft 4-30 rotates, is suitable for covering the cross section of described suction channel 2, catchments in container 3 described in being got rid of by the liquid in described air-flow; This rotator 4-3 is provided with and is suitable for making air in described air-flow by the opening with pipe 2-2 after entering, or exists in the surrounding of this rotator 4-3 and be suitable for making air in described air-flow by with the opening of pipe 2-2 after entering or space.
Preferred as one, the rotating shaft 4-30 of described rotator 4-3 is distributed on the medullary ray of described suction channel 2.
For improving the centrifugal effect of liquid on described rotator 4-3, as optionally implementing mode, described rotator 4-3 is cone-shaped body (such as Figure 10) or plane body or conical pallidum (such as Figure 11), the rotating shaft being on the center axis of this rotator 4-3 is consistent with described air flow line, and the end face of cone-shaped body, conical pallidum is relative with described air-flow.
The rotating shaft 4-30 of described rotator 4-3 is connected with the rotating shaft transmission of described sucktion fan 5, or described rotator 4-3 adopts separately a motor to drive. As another kind of optional embodiment, the fan blade 5-3 of described rotator 4-3 and described sucktion fan 5 rear and front end with the rotating shaft of a motor is in transmission connection respectively.
Catchment described in described moisture separator 4 the is contiguous center of container 3 is arranged, so both it is beneficial to moisture separator to be entered by water and catchment in container 3, the container 3 that can make to catchment again stores more water, that is: when the water level catchmented in container 3 is lower than certain value, this suction unit is under any use angle, and the water in container 3 that catchments not easily is back in moisture separator 4 or described suction channel 2.
As one preferred embodiment, such as Fig. 3 to 6, described suction channel 2 comprises: front pipe 2-1, rear pipe 2-2; Described moisture separator 4 also comprises: sleeve 4-1, and the inwall of this sleeve 4-1 is connected with described rotator 4-3 bottom margin by multiple connection muscle 4-2; The sidewall of this sleeve 4-1 is distributed with through hole 4-4; The two ends of described sleeve 4-1 are sheathed on the adjacent port of described front pipe 2-1, rear pipe 2-2 respectively. During work, under the effect of sucktion fan 5, air is suitable for passing through from the gap between described connection muscle 4-2, and discharges from the sucktion fan 5 of the end being located at described suction channel 2. When described rotator 4-3 rotates, be suitable for covering the entrance of described rear pipe 2-2.
Liquid is suitable for from the container 3 that catchments described in the through hole 4-4 described sleeve 4-1 enters. Described sleeve 4-1 is suitable for preventing the liquid catchmented in container 3 from entering from the adjacent port of described front pipe 2-1, rear pipe 2-2. Meanwhile, the adjacent port of described forward and backward pipe is arranged with the sealing-ring that self-lubricating material (as: tetrafluoroethylene) is made, makes two ends port rotary seal adjacent with the described forward and backward pipe cooperation respectively of described sleeve.
Described suction nozzle 1 is in dovetail shaped, and the entrance of this suction nozzle 1 is provided with upper sheet rubber 1-1 in strip and setting up and down, lower sheet rubber 1-2; The anterior border of this lower sheet rubber 1-2 is distributed with breach 1-3, and the upper surface of this lower sheet rubber 1-2 is distributed with and the groove 1-4 that each breach 1-3 is connected;The anterior border of upper sheet rubber 1-1 is suitable for covering the anterior border of lower sheet rubber 1-2.
The described container 3 that catchments is for transparent vessel, and this container 3 that catchments is provided with and is used to indicate the graduated scale that liquid level arrives described moisture separator height; When the warning water level that the liquid level in the container 3 that catchments reaches on graduated scale, user need open described in catchment container 3 water port on rubber chock plug 11 discharge water.
In order to convenient for assembly, the outlet of described front pipe 2-1 and described suction nozzle 1 is in one; Described front pipe 2-1 coordinates with the described inlet seal catchmenting container 3; The outlet of described rear pipe 2-2 coordinates with the described exit seal catchmenting container 3.
Embodiment 2
On the basis of embodiment 1, there is following modification in the present embodiment:
Such as Fig. 9, the suction unit of the present embodiment is without the need to adopting above-mentioned sucktion fan 5, but draws a tube-like interface 9 being connected with the end of described suction channel 2 at housing 8 end of suction unit; During use, the suction pipe of suction cleaner is adopted to be connected with described tube-like interface 9, to realize pumping function.
Described rotator 4-3 adopts separately a motor being fixed in described housing 8 to drive 10, or described rotator 4-3 adopts wind leaf to form, now without the need to adopting motor to drive.
Embodiment 3
On the basis of embodiment 1 or 2, there is following modification in the present embodiment:
Such as Fig. 8, described rotator is multiple rib 4-5 being connected with rotating shaft; Preferred as one, each rib 4-5 is uniformly distributed along a conical surface, makes liquid produce centrifugal force and the effect of the container that catchments described in entering to improve further. As further preferably, such as Fig. 7, each rib 4-5 periphery is connected with described sleeve 4-1.
In order to realize adopting the mode of assembly to realize quick assembling, the sucktion fan 5 being connected with the end of described suction channel 2 comprises: be connected with the rear end of described rear pipe 2-2 and be one on lead wind cover 5-1, be suitable for leading wind cover 5-2 with this being led under wind cover 5-1 is connected, upper and lower wind cover of leading is suitable for forming a cavity, fan blade 5-3 it is provided with in this cavity, the outer side wall of this cavity is distributed with venting port, under lead wind cover 5-2 rear end be provided with this under lead the motor casing 5-4 of wind cover 5-2 in one, be provided with the motor 5-5 for driving described fan blade 5-3 in this motor casing 5-4; This motor casing 5-4 is arranged in the shell 8 of surface cleaning suction unit by multiple cushion blocking 5-6.
Described rear pipe 2-2 internal fixtion is provided with sleeve pipe, and the two ends of the transmission shaft being arranged in this sleeve pipe are connected with the output shaft of described rotator 4-3 with described motor 5-5 respectively; Described sleeve pipe is by one pair of copper cover or tetrafluoroethylene overlaps 5-7 and described transmission shaft is rotatably assorted.
The bottom surface leading wind cover 5-2 under described is provided with the first double stopper 5-8 adopting flexible glue secondary injection molding, and this suction unit comprises one to symmetrically arranged housing 8, is provided with and the block reinforcement 8-1 that this first double stopper 5-8 is sealed and matched in this housing 8.
The mating surface of housing 8 is provided with the 2nd double stopper adopting flexible glue secondary injection molding by this, to realize the stopping property guaranteeing whole suction unit. Wherein, the part being in this below block reinforcement 8-1 of described block reinforcement 8-1 and described housing 8 forms an airtight cavity, is provided with battery 12 in this airtight cavity.
Obviously, above-described embodiment is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention. For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without the need to also cannot all enforcement modes be given exhaustive. And the apparent change that these spirit belonging to the present invention are extended out or variation are still among protection scope of the present invention.
Claims (19)
1. a surface cleaning suction unit, comprising: suction nozzle, the suction channel being connected with this suction nozzle and the container that catchments;
Characterized by further comprising: for separating of the moisture separator of liquified air mixture;
Described suction channel catchments in container described in being arranged in, and described moisture separator string is located on described suction channel;
Described moisture separator comprises: the rotator being suitable for rotating being located in described suction channel, and the rotating shaft of this rotator distributes along the air flow line in described suction channel;
The space that described suction channel is provided with the described container that catchments communicates of this rotator contiguous;
Described suction channel comprises: forward and backward pipe;
Described moisture separator also comprises: sleeve, and the inwall of this sleeve is connected with the bottom margin of described rotator by multiple connection muscle;
The sidewall of this sleeve is distributed with through hole;
The two ends of described sleeve are sheathed on the adjacent port of described forward and backward pipe respectively;
The two ends of described sleeve are port rotary seal adjacent with described forward and backward pipe cooperation respectively.
2. surface cleaning suction unit according to claim 1, it is characterised in that: described rotator is cone-shaped body or plane body, and described rotating shaft is on the center axis of this rotator; Wherein, the end face of cone-shaped body is relative with described air-flow.
3. surface cleaning suction unit according to claim 1, it is characterised in that: the center of the container that catchments described in described moisture separator is contiguous is arranged.
4. surface cleaning suction unit according to claim 1, it is characterised in that this suction unit also comprises: the sucktion fan being connected with the end of this suction channel.
5. surface cleaning suction unit according to claim 1, it is characterised in that: described rotator is multiple ribs being connected with rotating shaft.
6. surface cleaning suction unit according to claim 4, it is characterised in that: the rotating shaft of described rotator is connected with the rotating shaft transmission of described sucktion fan, or described rotator adopts a motor to drive.
7. according to the surface cleaning suction unit one of claim 1-6 Suo Shu, it is characterized in that: the sucktion fan being connected with the end of described suction channel comprises: be connected with the rear end of described rear pipe and be one on lead wind cover, be suitable for leading wind cover with this being led under wind cover is connected, upper and lower wind cover of leading is suitable for forming a cavity, it is provided with fan blade in this cavity, the outer side wall of this cavity is distributed with venting port, under lead wind cover rear end be provided with this under lead the motor casing of wind cover in one, be provided with the motor for driving described fan blade in this motor casing; This motor casing is arranged in the shell of surface cleaning suction unit by multiple cushion blocking.
8. surface cleaning suction unit according to claim 4, it is characterised in that: the fan blade of described rotator and described sucktion fan rear and front end with the rotating shaft of a motor is in transmission connection respectively.
9. surface cleaning suction unit according to claim 1, it is characterised in that: described suction nozzle is dovetail shaped, and the entrance of this suction nozzle is provided with upper and lower sheet rubber in strip and setting up and down;
The anterior border of this lower sheet rubber is distributed with breach, and the upper surface of this lower sheet rubber is distributed with and the groove that each breach is connected;
The anterior border of upper sheet rubber is suitable for covering the anterior border of lower sheet rubber.
10. surface cleaning suction unit according to claim 1, it is characterised in that: described rear pipe internal fixtion is provided with sleeve pipe, and the two ends of the transmission shaft being arranged in this sleeve pipe are connected with the output shaft of described rotator with the motor in described sucktion fan respectively; Described sleeve pipe is rotatably assorted with described transmission shaft by one pair of copper cover or tetrafluoroethylene cover.
11. surface cleaning suction units according to claim 1, it is characterised in that: described in the container that catchments be transparent vessel, this container that catchments is provided with and is used to indicate the graduated scale that liquid level arrives described moisture separator height.
12. surface cleaning suction units according to claim 1, it is characterised in that: before described, pipe and the outlet of described suction nozzle are in one;
Before described, pipe coordinates with the inlet seal of the described container that catchments; The outlet of described rear pipe coordinates with the exit seal of the described container that catchments.
13. surface cleaning suction units according to claim 1, it is characterised in that: described rotating shaft is distributed on the medullary ray of described suction channel.
14. surface cleaning suction units according to claim 1, it is characterized in that: the adjacent port of described forward and backward pipe is arranged with the sealing-ring that self-lubricating material is made, so that port rotary seal adjacent with the described forward and backward pipe cooperation respectively of the two ends of described sleeve.
15. surface cleaning suction units according to claim 5, it is characterised in that: described rib is uniformly distributed along a conical surface relative with described air flow line.
16. surface cleaning suction units according to claim 1, it is characterised in that: when described rotator rotates, be suitable for covering the cross section of described suction channel.
17. surface cleaning suction units according to claim 16, it is characterized in that: described rotator is provided with the opening being suitable for the air in described air-flow is passed through, or there is, in the surrounding of this rotator, the opening or space that are suitable for the air in described air-flow is passed through.
18. surface cleaning suction units according to claim 1, it is characterised in that: described rotator adopts wind leaf to form.
19. surface cleaning suction units according to claim 7, it is characterized in that: under lead wind cover bottom surface be provided with the first double stopper adopting flexible glue secondary injection molding, this suction unit comprises one to symmetrically arranged housing, is provided with the block reinforcement being sealed and matched with this first double stopper in this housing;
The mating surface of housing is provided with the 2nd double stopper adopting flexible glue secondary injection molding by this; Wherein, the part being in below this block reinforcement of described block reinforcement and described housing forms an airtight cavity, is provided with battery in this airtight cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310031230.XA CN103445717B (en) | 2013-01-25 | 2013-01-25 | Portable surface cleaning sucking appts |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310031230.XA CN103445717B (en) | 2013-01-25 | 2013-01-25 | Portable surface cleaning sucking appts |
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| Publication Number | Publication Date |
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| CN103445717A CN103445717A (en) | 2013-12-18 |
| CN103445717B true CN103445717B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310031230.XA Active CN103445717B (en) | 2013-01-25 | 2013-01-25 | Portable surface cleaning sucking appts |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103720432B (en) * | 2014-01-08 | 2017-01-04 | 中山市众智电器有限公司 | Portable liquid suction device and fluid reservoir assembly thereof |
| CN104305938B (en) * | 2014-10-09 | 2016-08-24 | 厦门唯科健康科技有限公司 | A kind of cleaner for hard-surface cleaning and clean method thereof |
| CN104337470B (en) * | 2014-10-09 | 2016-08-24 | 厦门唯科健康科技有限公司 | A kind of crust vacuum cleaner and clean method thereof |
| DE102015220896B4 (en) * | 2015-10-26 | 2019-02-07 | J. Schmalz Gmbh | Method for separating liquid and gaseous fluid contained in a gaseous fluid |
| CN106725078A (en) * | 2017-01-06 | 2017-05-31 | 奉化市威优特电器有限公司 | A kind of suction nozzle |
| DE102020118595A1 (en) | 2020-07-14 | 2022-01-20 | Alfred Kärcher SE & Co. KG | Suction cleaning device and method for operating a suction cleaning device |
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| US8152913B2 (en) * | 2009-02-16 | 2012-04-10 | Samsung Gwangju Electronics Co., Ltd. | Dust collecting apparatus for compressing dust |
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| TW528612B (en) * | 2001-06-19 | 2003-04-21 | Balcke Duerr Energietech Gmbh | Centrifugal separator for separating off water |
| WO2008065313A3 (en) * | 2006-12-01 | 2009-12-03 | WINDDROP, Société à responsabilité limitée | Vacuum suction and cleaning apparatus |
| DE102008004965B3 (en) * | 2008-01-11 | 2009-05-14 | Alfred Kärcher Gmbh & Co. Kg | Portable hard surface suction device |
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| CN103445717A (en) | 2013-12-18 |
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Denomination of invention: Portable suction device for surface cleaning Effective date of registration: 20221006 Granted publication date: 20160608 Pledgee: Bank of China Limited Yongkang sub branch Pledgor: JINHUA GAOJIU ELECTRIC EQUIPMENT Co.,Ltd. Registration number: Y2022330002443 |