EP2558223A1 - Dampfreinigungsgerät - Google Patents
DampfreinigungsgerätInfo
- Publication number
- EP2558223A1 EP2558223A1 EP10713664A EP10713664A EP2558223A1 EP 2558223 A1 EP2558223 A1 EP 2558223A1 EP 10713664 A EP10713664 A EP 10713664A EP 10713664 A EP10713664 A EP 10713664A EP 2558223 A1 EP2558223 A1 EP 2558223A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- steam
- steam cleaning
- boiler
- appliance according
- safety valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000013020 steam cleaning Methods 0.000 title claims abstract description 54
- 238000012423 maintenance Methods 0.000 claims abstract description 50
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 230000002411 adverse Effects 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000007257 malfunction Effects 0.000 description 4
- 230000006735 deficit Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000012459 cleaning agent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/32—Carpet-sweepers
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/408—Means for supplying cleaning or surface treating agents
- A47L11/4086—Arrangements for steam generation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2230/00—Other cleaning aspects applicable to all B08B range
- B08B2230/01—Cleaning with steam
Definitions
- the invention relates to a steam cleaning device with a liquid tank, which is connected to an electrically heatable steam boiler for generating steam, which can be applied to a surface to be cleaned, wherein the steam boiler has a safety valve which opens at inadmissible high steam pressure in the boiler.
- Such steam cleaning devices are used for cleaning a wide variety of surfaces, in particular for cleaning hard surfaces used. They comprise an electrically heatable steam boiler for evaporating a liquid cleaning agent, in particular for evaporating water. The generated steam can be applied to the surface to be cleaned, for example on a floor surface.
- the steam boiler has a safety valve that opens when an inadmissibly high vapor pressure is formed within the boiler.
- limescale deposits in the boiler unless the steam cleaner is operated with distilled water.
- this usually has a maintenance opening, which is closed by a maintenance closure during normal operation of the steam cleaning device.
- the maintenance lock can be released by the user so that he can pour out the liquid in the boiler and fill the boiler with a descaling solution.
- the descaling solution then usually remains in the boiler for some time to dissolve the lime in the boiler, and then the descaling solution passes through the service opening poured out again.
- the maintenance opening can then be closed again by the user by means of the maintenance closure, so that the steam cleaning device can then be operated again for cleaning a surface.
- a steam cleaning device of the type mentioned is known from US patent application US 2005/0102789 AI.
- the safety valve is located in this device within the housing. This has the consequence that in the event of a malfunction in an excessively high vapor pressure within the boiler, the steam exiting via the safety valve as well as the liquid droplets entrained by the steam are distributed within the housing. You can come into contact with live parts.
- Object of the present invention is to provide a steam cleaning device of the type mentioned in such a way that the risk of impairment of the user when opening the safety valve is reduced and the handling of the steam cleaning device is simplified.
- the safety valve is integrated into a detachable maintenance closure of the boiler and can be covered by a cover that covers between a maintenance closure Closed position and the maintenance lock releasing release position is movable back and forth.
- the safety valve is integrated into the maintenance lock, with the aid of which the maintenance opening of the steam boiler is closed during normal operation of the steam cleaning device. If an impermissibly high pressure builds up in the steam boiler in the event of a malfunction, the steam can escape via the safety valve.
- the safety valve integrated in the maintenance lock is covered by a cover element. The cover thus reduces direct contact of the user with the steam exiting via the safety valve and the hot liquid droplets entrained by the steam.
- the cover is movable between a closing position covering the maintenance lock and thus also the safety valve and a release position releasing the maintenance lock together with the safety valve.
- the cover can be moved to its release position, so that then the maintenance lock can be solved by the maintenance opening.
- the steam cleaning device according to the invention is thus characterized on the one hand by simple handling, on the other hand it is ensured that steam escaping via the safety valve and entrained liquid droplets in the event of a fault can not reach the user directly.
- the cover element is held movably on the housing.
- it can be held displaceably on the housing, so that it can be moved back and forth between its closed position and its release position. can be pushed.
- the housing can form a guide receiving the cover element.
- the cover is pivotally mounted on the housing. It can be pivoted back and forth between its closed position and its release position.
- a pivotable mounting of the cover on the housing can be realized inexpensively and the handling of a pivotally mounted on the housing cover designed for the user very easy.
- the housing has a first recess, in which the maintenance closure is arranged and which can be covered by the cover.
- the first recess may be designed in the manner of a depression or pocket, which is preferably arranged on the upper side of the housing.
- the first recess is closed in the closed position of the cover by the cover.
- the maintenance lock is easily accessible to the user. For this purpose, it is only necessary to move the cover in its release position. It is favorable if the cover element assumes a distance from the maintenance closure in its closed position, wherein a vapor expansion space extends between the cover element and the maintenance closure.
- the provision of a Dampfentschreibsraumes which at least partially surrounds the maintenance closure, has the advantage that in case of failure at an inadmissibly high pressure within the boiler via the safety valve leaking steam can relax in the adjoining the safety valve Dampfentschreibsraum.
- the risk of an impairment of the user by the exiting steam is kept particularly low.
- the liquid droplets entrained by the steam can be deposited on the wall of the vapor-release space.
- the exiting steam can be cooled by contact with the walls of the Dampfentschreibsraumes. At least part of the exiting steam can therefore condense in the steam expansion space, the condensate can be deposited on the walls of the vapor release space.
- the cover element releases a steam outlet opening, via which steam can escape in a horizontal direction from the steam release space after opening the safety valve.
- Steam exiting via the safety valve first enters the steam release room. A portion of the vapor may condense and settle within the vapor release space. A remaining part of the steam can flow out of the steam expansion space via the steam outlet opening in the horizontal direction.
- the outflowing steam can be deflected on the wall of Dampfentschreibsraumes. This increases the deposition rate of the steam.
- the steam flowing out of the vapor-release space leaves the vapor-release space in the horizontal direction.
- the risk is extremely low that the user with the flowing steam or entrained liquid droplets comes into contact.
- the cross-sectional area of the steam outlet opening is favorably at least as large as the opening cross-section of the safety valve.
- the provision of a relatively large cross-sectional area for the steam outlet opening has the consequence that the steam flowing out via the steam outlet opening has a comparatively low flow velocity. As a result, the risk of impairment of the user can be further reduced.
- the opening cross section of the safety valve may be, for example, 20 mm 2 .
- the cross-sectional area of the steam outlet opening is preferably a multiple of the opening cross-section of the safety valve, for example 1,500 mm 2 .
- the cross-sectional area of the steam outlet opening is at least 200 mm 2 .
- the steam cleaning device comprises a receiving space, which is in flow communication via the steam outlet opening with the Dampfentsciencesraum.
- Steam which flows in the event of a fault via the safety valve in the Dampfentschreibsraum, can leave this via the steam outlet opening.
- the steam can then be absorbed by the receiving space of the steam cleaning device.
- Within the receiving space it can undergo further cooling, wherein at least a portion of the vapor condenses and entrained liquid droplets largely deposit on the wall of the receiving space.
- the receiving space can be arranged within the housing. However, it can also be provided that the receiving space is formed by a recess of the housing.
- the depression can be designed in the manner of a depression or pocket. It is particularly favorable if the housing has a first depression which can be covered by the covering element and in which the maintenance closure is arranged, as well as a second depression adjoining the first depression and forming the receiving space.
- the first recess is covered during normal operation of the steam cleaning device by the cover, which assumes its closed position.
- the second recess may be accessible to the user during normal operation of the steam cleaner.
- first recess merges via a sloping step into the second depression.
- the first recess forms the Dampfentschreibsraum, which is in flow communication via the steam outlet opening with the receiving space formed by the second recess.
- the sloping step between the first recess and the second recess has the advantage that the second recess has a greater depth than the first recess and thereby can form a plenum for vapor entrained liquid droplets as well as condensate, which is on the wall of the second recess separates.
- the receiving space can not serve to absorb in case of failure via the safety valve leaking steam, but in an advantageous embodiment of the invention, the receiving space forms a storage compartment for stowing a cable, a hose and / or one or more accessories of the steam cleaning device, if the steam cleaner is not in operation.
- the storage compartment can be open on at least one side. It can be provided, for example, that the user can stow a mains cable of the steam cleaning device in the storage compartment when the steam cleaning device is out of operation.
- the power cord can be connected to an external power supply. In times when the steam cleaner is not in use, the power cord can be stored in the storage compartment.
- the storage compartment can For this purpose, in particular be accessible to the user at the top of the housing of the steam cleaning device.
- the user can dissolve the maintenance lock to decalcify the boiler. Liquid that is still in the boiler, the user can then pour out through the maintenance opening. He can then add a descaling solution to the steam boiler, which he can then dispense again after descaling through the maintenance opening. Pouring a liquid from the boiler via the maintenance opening is facilitated in an advantageous embodiment of the invention in that the cover in its release position forms a release aid for dumping a liquid from the boiler after opening the maintenance lock.
- the cover element additionally also has the function of simplifying the pouring out of a liquid from the steam boiler via the maintenance opening. For this purpose, the cover element forms a release aid in its release position. This simplifies the pouring of the liquid to the user.
- the cover element forms a protruding over the housing groove in its release position.
- a liquid can be distributed in a particularly simple manner from the steam boiler via the maintenance opening.
- the channel tapers in the delivery direction, d. H. in the direction of the maintenance opening facing away.
- Figure 1 a perspective view of a steam cleaning device
- Figure 2 is a partial sectional view of the steam cleaning device in the area of a maintenance closure with integrated safety valve, which is covered by a cover;
- FIG. 3 shows a partial sectional view corresponding to FIG. 1 during the exit of FIG
- Figure 4. is a partial sectional view corresponding to Figure 2, wherein the cover for dispensing a liquid occupies a release position and
- Figure 5 a partial perspective view of the steam cleaning device
- a generally designated by the reference numeral 10 portable steam cleaning device is shown schematically with a housing 12 having a carrying handle 16 on its upper side 14.
- a hose connection 20 is arranged, to which a steam discharge hose 22 can be connected.
- free end of the steam discharge hose 22 can in the usual way a
- Steam delivery nozzle can be connected.
- a rigid extension tube can be connected to the free end of the steam discharge hose 22, to which in turn a steam discharge nozzle, in particular a floor nozzle, can be connected.
- a steam discharge nozzle in particular a floor nozzle
- Such extension tubes and vapor delivery nozzles are known per se to those skilled in the art.
- a liquid tank 24 is arranged on the housing 12, which is detachable from the housing 12 and can be filled with a cleaning liquid, preferably with water.
- the housing 12 surrounds an electrically heatable steam boiler 26, which is connected to the liquid tank 24 via an input line 28.
- a pump 30 is connected, can be promoted via the cleaning liquid from the liquid tank 44 into the boiler 26.
- the steam boiler 26 is in flow communication with the hose connection 20.
- the liquid provided by the liquid tank 24 can be evaporated and the steam can then be directed via the hose connection 20 and the steam discharge hose 22 connected thereto to a surface to be cleaned, in particular to a bottom surface.
- the steam boiler 26 has a maintenance opening 34 shown in FIG. 4, which can be closed by means of a maintenance closure 36.
- a safety valve 38 is integrated in the maintenance lock. Should an impermissibly high vapor pressure develop in the event of a fault within the steam boiler 26, then the safety valve 38 opens, so that the pressure in the steam boiler 26 can be reduced. In this case, steam can escape via the safety valve 38 from the steam boiler 26.
- the maintenance opening 34 is arranged at the free end of an integrally connected to the steam boiler 26 pipe socket 40, which projects with its free end into an outlet opening 42 of the housing.
- the outlet opening 42 is arranged on a bottom wall 44 of a first depression 46 formed in the housing 12 on its upper side 14.
- the bottom wall 44 of the first recess 46 merges via a sloping step 48 into a bottom wall 50 of a second depression 52, which faces away from the first depression 46 of the end face 18.
- the first recess 46 is designed like the second recess 52 in the manner of a trough or pocket and is accessible on the upper side 14 of the housing 12 for the user.
- first recess 46 is covered by a cover element in the form of a closure flap 54, which between its in the figures 1, 2 and 3 illustrated closed position and their release position shown in Figures 4 and 5 back and forth pivotally mounted in the first recess 46.
- the closure flap 54 comprises a cover 56 which, in the closed position of the closure flap 54, covers the first depression 46 and is integrated into the outer contour of the housing 12.
- the cover 56 is aligned in the closed position of the closure flap 54 with a top wall 58 of the housing 12. This is particularly clear from Figures 2 and 3.
- the closure flap 54 has a first side wall 66 and a second side wall 68.
- the two side walls 66 and 68 are integrally connected to both the lid 56 and the rear wall 60 and form in combination with the cover 54 and the rear wall 60 a discharge chute 70 from. This becomes clear in particular from FIG. 5 and will be explained in more detail below.
- the housing 12 has a cable passage 74, which is penetrated by a power cable 76.
- the steam cleaning device 10 can be connected to an external power supply.
- the liquid tank 24 can be filled with a cleaning liquid, for example with water.
- a cleaning liquid for example with water.
- the cleaning liquid can be pumped into the steam boiler 26, if necessary. Within the boiler 26, the liquid can then be evaporated and the steam can be directed over the steam discharge hose 22 on the surface to be cleaned.
- the safety valve integrated in the maintenance lock 36 opens. About the safety valve 38 can then escape from the steam boiler 26 steam. This is shown in FIG. With the exiting steam and hot liquid droplets are entrained.
- a remaining part of the steam flows in the horizontal direction via the steam outlet opening 62 in the second recess 52nd
- a large part of the entrained liquid droplets have lost their kinetic energy due to the deflection occurring in the vapor release space 78 so far that it sinks within the second recess 52 onto the bottom wall 50 thereof.
- the steam flowing into the second recess 52 partially condenses in the second recess 52. A remaining part of the steam escapes upwards from the second recess 52 after a further deflection. However, the steam exiting from the second recess 52 has due to the deflections that have occurred and due to contact with the wall of the second recess 52 and / or the wall of the first recess 46 lost much of its energy and was cooled considerably.
- the user first disconnects the power cable 46 from the external voltage Supply and then cool the steam cleaning device 10. He can then pivot the shutter 54 from its closed position shown in Figures 1 to 3 in the release position shown in Figures 4 and 5. In this case, the closure flap 54 releases the first depression 46 and thus also the maintenance closure 36. The user can then release the maintenance lock 36 with the integrated safety valve 38 from the service opening 34. Liquid that may still be in the boiler 26, the user can spill over the maintenance opening 34.
- the closure flap 54 in its release position forms a dispensing aid in the form of the dispensing chute 70 projecting beyond the housing 12.
- the dispensing chute 70 tapers into the service opening 34 Distribution direction. The user can therefore still distribute liquid in the boiler 26 in a simple manner by means of the discharge chute 70. In this case, virtually no liquid enters the second recess 52, since it is covered by the closure flap 54 in the release position of the closure flap 54.
- the user may fill a descaling solution via the service opening 34 in the boiler 26.
- the descaling solution may then remain in the boiler 26 for some time to dissolve deposited lime.
- the descaling solution can then be poured out of the steam boiler 26 via the maintenance opening 34 and the discharge chute 70.
- the user can then close the maintenance opening 34 by means of the maintenance closure 36, in order then to put the steam cleaning appliance 10 into operation again.
- the second recess 52 serves as a storage compartment, in which the user can stow the power cable 76, for example.
- the steam cleaning device 10 is characterized by easy handling, in particular when descaling the steam boiler 26. In addition, there is virtually no risk that the user in the event of a malfunction with the exiting via the safety valve 38 steam or entrained by the vapor liquid droplets in contact.
Landscapes
- Cleaning By Liquid Or Steam (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2010/054948 WO2011127975A1 (de) | 2010-04-15 | 2010-04-15 | Dampfreinigungsgerät |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2558223A1 true EP2558223A1 (de) | 2013-02-20 |
| EP2558223B1 EP2558223B1 (de) | 2014-02-26 |
Family
ID=43414842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10713664.0A Not-in-force EP2558223B1 (de) | 2010-04-15 | 2010-04-15 | Dampfreinigungsgerät |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2558223B1 (de) |
| JP (1) | JP5427979B2 (de) |
| CN (1) | CN102892523B (de) |
| ES (1) | ES2455224T3 (de) |
| WO (1) | WO2011127975A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016015763A1 (de) * | 2014-07-30 | 2016-02-04 | Alfred Kärcher Gmbh & Co. Kg | Kolbenpumpe und hochdruckreinigungsgerät mit einer solchen kolbenpumpe |
| CN115444306A (zh) * | 2022-09-22 | 2022-12-09 | 添可智能科技有限公司 | 清洁设备及地刷组件 |
| CN120571801B (zh) * | 2025-06-25 | 2026-04-10 | 宁波荣宜达电器有限公司 | 一种蒸汽高压清洗混合设备 |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5840099U (ja) * | 1981-09-11 | 1983-03-16 | 東芝熱器具株式会社 | スチ−ムアイロン |
| JPH0545405U (ja) * | 1991-10-22 | 1993-06-18 | 三菱重工業株式会社 | 安全弁出口排気管のドレン受皿 |
| US5386612A (en) * | 1992-09-09 | 1995-02-07 | Sham; John C. K. | Portable steam vacuum cleaner |
| IT234849Y1 (it) * | 1994-09-26 | 2000-03-20 | Etairoi Holding Sa | Apparecchio generatore di vapore per uso domestico, in particolare per lavori di pulizia |
| JP2000107090A (ja) * | 1998-10-02 | 2000-04-18 | Denaro:Kk | 殺菌水を用いた洗浄方法及びその装置 |
| GB2377365A (en) * | 2001-07-10 | 2003-01-15 | Lambert Wu | Vapour cleaner, especially steam cleaner, with valve means for vapour release |
| US20030024574A1 (en) | 2001-08-06 | 2003-02-06 | Samson Tsen | Safety valve for steam cleaner |
| CN2629854Y (zh) * | 2003-05-14 | 2004-08-04 | 何庭华 | 一种蒸气清洁器 |
| CN2640637Y (zh) * | 2003-09-09 | 2004-09-15 | 苏州市春菊电器有限公司 | 带安全阀的进水孔盖 |
| US20050102789A1 (en) | 2003-10-06 | 2005-05-19 | Earlex Ltd. | Steam generator |
| DE10351879B3 (de) * | 2003-10-29 | 2005-04-21 | Alfred Kärcher Gmbh & Co. Kg | Dampfreinigungsgerät |
| CN2684951Y (zh) * | 2004-01-16 | 2005-03-16 | 夏建中 | 蒸汽清洗器 |
| FR2874629B1 (fr) * | 2004-09-02 | 2006-12-08 | Seb Sa | Fer a repasser comportant une poignee integrant un orifice de remplissage d'un reservoir |
| DE102004052198B4 (de) * | 2004-10-20 | 2006-11-09 | Alfred Kärcher Gmbh & Co. Kg | Dampfreinigungsgerät |
| JP2006145030A (ja) * | 2004-10-22 | 2006-06-08 | Celaya Emparanza Y Galdos Internacional Sa | 家庭で用いる加圧水蒸気発生装置用安全遮断機構 |
| ES2289845B1 (es) * | 2004-10-22 | 2008-12-16 | Celaya Emparanza Y Galdos Internacional, S.A. | Cierre de seguridad para aparatos de produccion de vapor de agua a presion para uso domestico. |
| US7487651B2 (en) * | 2005-01-21 | 2009-02-10 | Euro-Pro Operating, Llc | Steamer with wrapped cord and hose |
| JP3117499U (ja) * | 2005-10-11 | 2006-01-05 | チェン チュン−ミン | 蒸気クリーナー |
| CN201046441Y (zh) * | 2006-12-27 | 2008-04-16 | 如皋市大生线路器材有限公司 | 蒸汽清洁器 |
-
2010
- 2010-04-15 WO PCT/EP2010/054948 patent/WO2011127975A1/de not_active Ceased
- 2010-04-15 ES ES10713664.0T patent/ES2455224T3/es active Active
- 2010-04-15 CN CN201080066211.5A patent/CN102892523B/zh not_active Expired - Fee Related
- 2010-04-15 EP EP10713664.0A patent/EP2558223B1/de not_active Not-in-force
- 2010-04-15 JP JP2013504133A patent/JP5427979B2/ja not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2011127975A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102892523B (zh) | 2014-11-19 |
| ES2455224T3 (es) | 2014-04-15 |
| JP2013527796A (ja) | 2013-07-04 |
| CN102892523A (zh) | 2013-01-23 |
| WO2011127975A1 (de) | 2011-10-20 |
| JP5427979B2 (ja) | 2014-02-26 |
| EP2558223B1 (de) | 2014-02-26 |
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