EP1828469A1 - Wäschetrockner - Google Patents
WäschetrocknerInfo
- Publication number
- EP1828469A1 EP1828469A1 EP05797131A EP05797131A EP1828469A1 EP 1828469 A1 EP1828469 A1 EP 1828469A1 EP 05797131 A EP05797131 A EP 05797131A EP 05797131 A EP05797131 A EP 05797131A EP 1828469 A1 EP1828469 A1 EP 1828469A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- laundry
- spacer
- drying device
- drying
- air
- 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.)
- Withdrawn
Links
- 125000006850 spacer group Chemical group 0.000 claims abstract description 144
- 238000001035 drying Methods 0.000 claims abstract description 71
- 238000000034 method Methods 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims description 44
- 238000007789 sealing Methods 0.000 claims description 20
- 239000013013 elastic material Substances 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 abstract 9
- 238000000605 extraction Methods 0.000 abstract 1
- 239000004753 textile Substances 0.000 description 7
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- LJCZNYWLQZZIOS-UHFFFAOYSA-N 2,2,2-trichlorethoxycarbonyl chloride Chemical compound ClC(=O)OCC(Cl)(Cl)Cl LJCZNYWLQZZIOS-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001331 nose Anatomy 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
- D06F58/04—Details
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/18—Detachable or door-mounted drying arrangements for washing machines
Definitions
- the invention relates to a method for drying queued laundry and garments in a dryer with a rotatable drum, and devices for implementing the method.
- the invention is based on a drying device, which can optionally be used in a laundry dryer with a rotatable drum as an additional built-in part and fixed in such a way that the material to be dried placed on or in the drying rack rests in any operating state of the clothes dryer.
- Clothes dryers of the type in question have a filling opening for loading and unloading the tumble dryer, a door for closing the filling opening, a blower and channels and Leiteinrich ⁇ lines for conveying the process air in a closed circuit and a Hei ⁇ tion for heating the process air ,
- the heated dry air stream is passed through an inlet opening in the drum rear wall in the interior of the drum, where the dry air stream is enriched with moisture from the dry material.
- the moist dry air stream is sucked off through an exhaust air opening in the area of the dryer door and fed to the condenser via a lint filter. There, the exhaust air is cooled, condenses the auf ⁇ moisture taken. The condensed water is passed into a Vorratsbe ⁇ container or discharged to the environment. After the exhaust air has passed through the condenser, the air flow from the fan is in turn passed to the heater where it is heated to the desired drying temperature.
- tumble dryers are also used for drying laundry and garments which are not allowed to move during the drying process to prevent the dry material from entering the fabric, such as knitwear or wool garments, or to avoid other damage to the dry goods.
- the material to be dried is placed in a resting position in specially designed additional devices and arranged in such a way that it is impossible to touch the dry goods with the rotating drum and the dry good can not be damaged.
- they should, if possible, be arranged in a single layer in the dryer. This is especially true for articles of clothing made of wool, since in these by the absence of Governmenttwir ⁇ kung the drying process takes a particularly long time.
- a drying rack is known, which is provided for the dormant storage of dry goods in a drum of a tumble dryer.
- the drying rack is fixed in the door area of the tumble dryer and held against rotation.
- the goods to be dried lie on a horizontal grid, which ab ⁇ relies on an underlying trough.
- the tub is connected at the front with the Absaugöff ⁇ voltage and thus serves as a guide for the drying air flow.
- the drying air flow hits the horizontally located dry material from above and is sucked off below the dry material via an exhaust air duct.
- the device consists of a drying rack, which is fastened by fastening straps on the bearing plate of the Wä ⁇ schetrockners and held against rotation, as well as an insertable into the drying rack inner frame, which is used within an outer shell fixedly arranged and designed with several levels ,
- the dry goods can be distributed on the superimposed planes and thus stored at a distance.
- the surface of the material to be dried in the tumble dryer which can be acted upon by the dry air flow, can thereby be considerably increased and it is possible to significantly shorten the time until a desired degree of drying is achieved.
- the laundry spacer consists in the simplest case of a rectangular mat of a flexible, air and moisture permeable material.
- the roll-up spacer is composed of a plurality of segments interconnected in an articulated manner, which are axially pivotable relative to one another such that the spacer can be rolled up into an at least approximately spiral-shaped form with the dry material laid on.
- the laundry spacer is held stationary in the drum by a frame or a dryer basket, which are hung in the area of the door of the dryer in designated Garein ⁇ directions or secured against rotation in any other way.
- the laundry spacer can be flowed through by the dry air flow, so that the material to be dried can be exposed to the dry air flow in a contact area between the spacer.
- the material to be dried is placed by the user on the flat spread Wäscheabstands ⁇ holder and rolled up with this in a spiral state, wherein the Troc is fixed between the individual layers and completely enclosed.
- a laundry spacer has the advantage of being able to absorb a larger amount of the dry material as a function of the thickness of the laundry spacer.
- the present invention is therefore based on the object of providing a process for the effective drying of dehydrated dry matter deposited in a dryer with a rotating drum, as well as devices for realizing the process which are easy to integrate in known devices and can be adapted to different embodiments of dryers with little effort. It is a particular object of the invention, the dry air flow to such - A -
- this object is achieved by a method for guiding the drying air according to the features of patent claim 1 and with devices for implementing the method according to the features of patent claim 4.
- the drying air flow is limited substantially to the area formed by the laundry or garments and the devices intended to hold them. It is advantageous by suitable means to direct the dry air flow forcibly guided through this area, preferably in the axial direction of the drum.
- the interface between the laundry spacer and the outlet opening is adapted to one another in such a way that positive guidance of the dry air can be ensured without expensive additional devices.
- the solution according to the invention provides for the air outlet opening and the air-permeable laundry spacer to be matched to each other structurally in such a way that an air-tight almost dense connection can be established between the laundry spacer and the suction opening. As a result, the dry air stream is forcibly passed through the laundry spacer with the dry material kept spaced apart therein and the pressurization of the moist dry material with the dry air is intensified.
- a tight connection between the Wäscheabstandshal ⁇ ter with the suction opening according to the invention can be effected in a simple manner that the connection of the laundry spacer and the suction opening by a Klemmdich- tion or sealing collar is realized, which acts on the lateral surface of the spacer or rests on this.
- the inlet opening of the suction channel is formed by a flat disk with a plurality of air passage openings.
- the likewise flat front side of the laundry spacer lies flat or exclusively in pressure-sealing manner with the outer edge.
- the sealing effect can be improved by a sealing ring, which is attached to the flat disc surrounding the air passage openings.
- a preferred embodiment of the invention provides that in the Garvorrich ⁇ device for the laundry spacers means for the air duct are integrated.
- Such a device is preferably designed in two parts with a movable part, which is designed as a means for fixing the holding device and at the same time as an air guiding device.
- the end face of the rolled-up laundry stand holder is virtually constant, irrespective of the items of laundry accommodated in the laundry spacer.
- the laundry spacers is made of a resilient material or in that in the edge region of the laundry spacer simple means are attached to the fixed spacing of the dry material in the rolled laundry spacers.
- the leadership of the dry air stream can be optimized in an advantageous manner by the fact that the lateral surface of the laundry spacer is designed to be impermeable to air. As a result, an axial flow direction of the dry air is forced through the laundry spacer.
- FIG. 1 is a schematic front view of a drying device with a laundry spacer arranged therein;
- FIG. 2 shows a laundry spacer with applied dry material in a flat state
- FIG. 4 shows a laundry spacer with a plurality of rigidly formed and articulated interconnected segments
- FIG. 5 shows a three-dimensional representation of the laundry spacer of the device according to FIG. 4 in its planar state
- Fig. 6 is a sectional view of the laundry spacer of the device according to
- a device type is predominantly used. Characteristic of such a tumble dryer is that it is heated to a predetermined temperature by means of a heating device. heated process air stream is blown through the drum rear wall in the interior of the drum, where the heated air hits the dry material. A suction opening is present in the region of the charging opening, through which the moist exhaust air is first passed through a lint filter and then supplied to the condenser. The exhaust air is cooled in the condenser and the moisture removed from the exhaust air. In the closed circuit, the cooled air is returned to the heater.
- FIG. 1 shows such a tumble dryer 1 in a front view in a highly schematic representation in which all functional parts not directly related to the invention have been omitted.
- the laundry spacer 8 rolled up with at least one laundry or garment 9 is firmly positioned in a holding device 4 which is held stable and secure against rotation in the region of the loading opening 6.
- the rolled-up laundry spacer 8 has the shape of a cylinder with an end face 10 which is planned at least in the outer edge region.
- FIG. 3 shows the laundry spacer 8 in a radial sectional view.
- the single layer with laundry spacers 8 rolled up laundry 9 is spaced in this and kept completely covered.
- the state of the laundry spacer 8 is shown with flat-laid laundry 9 before rolling up.
- the rollable laundry spacer 8 is made wholly or partly of one or more air- and moisture-permeable materials, for example. From a reticulated PUR foam, in which only the corner structures of the foam structure have been preserved. Thus, the material of the coiling ble laundry spacer 8 is also elastic, which advantageously causes the laundry spacers 8 by the user can always be rolled up to an approximately same size, whereby a sufficient accuracy of fit to the air outlet opening 26 can be ensured. Occurring tolerances are absorbed by means of thickness elasticity.
- FIGS. 4, 5 and 6 Another form of the laundry spacer 8 is shown in FIGS. 4, 5 and 6.
- the laundry spacer 8 is formed from a plurality of rigid segments 11 which are connected to each other via axial joints 13 or elastic bands and by means of which the laundry spacer 8 can be rolled up into an at least approximately cylindrical shape (FIG. 4).
- Fig. 5 and 6 show a laundry spacer 8 with spaced along the two side edges arranged in a row perpendicular spacer studs 12.
- On the underside of the laundry spacer 8 is corresponding to the same distance to the two side edges each formed a continuous groove 14, in which engage the spacer knobs 12 when rolling up the laundry spacer 8.
- the Ab- stand nubs 12 and the continuous grooves 14 are formed wedge.
- sleeve 28 may be integrally formed by corresponding shapes of the individual segments 11 of the articulated laundry spacer 8 or be part of bands of elastic material, which are permanently ver ⁇ for example.
- a sleeve 28 is shown made of elastic material, the front side of the edge region of the laundry spacer 8 engages positively.
- the spacer knobs 12 and the continuous grooves 14 are part of the sleeve 28 and advantageously formed in this.
- the connection of sleeve 28 and Wä ⁇ schea spacer 8 can be improved by locking means 27, which engage the end face in kor ⁇ respond Schlde locking receptacles of the segments of the laundry spacer.
- the locking means 27 are also formed in the sleeve 28.
- the sleeve 28 and the elastic bands on both sides with the dimples 12 or grooves 14 are advantageously suitable as a connecting element for the segments 11 of the laundry spacer 8 and can thus assume the function of the joint connectors 13.
- the laundry spacer 8 with spacer knobs 12 and continuous grooves 14 is very easy to handle by the user.
- the lateral extent of the support surface is limited by the spacer knobs 12 and at the start edge by a limiter 29.
- parts of the material 9 to be dried surmount the lateral edges of the laundry spacer 8.
- the user is also made easy the rolling of the laundry spacer 8 in a spiral state with flat end faces 10.
- the spacer knobs 12 and the longitudinal grooves 14 act in particular by their wedge shape as a guide. The user has no trouble, even without paying special attention, to roll up the laundry spacer 8 properly and thus bring it into the desired shape.
- the rolled-up laundry spacer 8 with the dry material 9 held spaced apart in it has the shape of a cylinder with plane-parallel end faces 10.
- the spacer noses 12 and the continuous grooves 14, as well as the limiter 29, cause the size and shape of the roll formed by the rolling up Cylinder regardless of the amount and size of the recorded dry material 9 is always the same and the Stimsei- th 10 of the laundry spacer 8 form a flat surface, which are well suited as a bearing surface for the suction opening 26.
- a textile web 16 is fixedly attached to the end edge of the laundry spacer 8, which is coated with an air-impermeable or nearly air-impermeable material and is approximately dimensioned. That the Wäscheabstands ⁇ holder 8 in the rolled state one to one and a half times can be enclosed.
- the coated textile web 16 is provided with a hook and loop fastener or other suitable closure means, so that the rolled-up laundry spacers 8 can be kept dimensionally stable during the drying process.
- the lateral surface of the roll-up laundry spacer 8 is impermeable to air or impermeable to air by the adjoining layered textile web 16.
- the air-impermeable textile web 16 can be designed so that the lateral surface is completely covered or only partial areas. However, for a favorable drying process, it is advantageous to cover the jacket region facing the air outlet opening 26 in an air-impermeable manner.
- the luftun ⁇ permeable textile web 16 is also applicable to laundry spacers 8 made of elastic material.
- the edge region of the air outlet opening 26 is circumferentially provided with a sealing collar 25 which rests flat over its entire circumference at a laundry spacer 8 inserted in the dryer 1 and kept stable in the holding device 7 ,
- the sealing collar 25 is continuously made of an elastic material and advantageously shaped so that it engages the edge region of the feed opening 6 positively.
- the flat surface of the seal 25 causes the introduced into the drum 2 sene hot air flow to the seal 25 presses and thus the sealing effect ver ⁇ strengthens.
- sealing sleeve 25 is very simple, it can be used with a few and easily executable handles and removed again.
- the storage of the sleeve 25 after its use outside of the dryer 1 is completely trouble-free.
- a dryer 1 is shown, the door 3 is formed as a suction channel 26 and has an inwardly directed, cup-shaped Wäscheabweiser 20.
- the inside of the drum 2 facing surface 21 of the laundry deflector 20 is flat and provided with ei ⁇ ner variety of air passage openings 22.
- the laundry spacer 8 fixedly positioned in the holding device 7 is approximately axially aligned so that the end face of the laundry spacer 8 and the flat surface 21 of the laundry deflector 20 are parallel to one another. Shape and size of the end face of the laundry spacer 8 is the flat surface 21 of the laundry deflector 20 adapted.
- the flat surface 21 of the laundry deflector 20 is pressed sealingly against the end face of the laundry spacer 8.
- this simple gasket is completely sufficient to force the drying air flow through the laundry spacer 8 and the dry material 9 held spaced apart.
- the planar surface 21 of the Wäscheab ⁇ weiser 20 is advantageously provided with a the air passage openings 22 of the Wäscheab ⁇ weisers 20 enclosing sealing ring 23, against which the laundry spacer 8 rests with its outer edge.
- the Halte ⁇ devices for the laundry spacers 8 are not shown. Such devices are known in many versions, for example as a suspension rack or basket. It is at the discretion of the skilled person, adapted to a special type of dryer, a holding frame or a basket in such a way that the laundry spacer 8 can be positioned in the drum 2 such that the planar end face of the laundry spacer 8 at the exhaust opening 26 final surface 10th sealing or nearly sealing (Example Fig. 9) or on the lateral surface of the laundry spacer 8 a sealing connection to the suction opening 26 can be produced (Example Fig. 10).
- the means for guiding the dry air flow are an integral part of the holding device 7 for the laundry stand holder 8.
- the illustrations in FIGS. 7 and 8 show an embodiment of such a device during the insertion process and in the installed position.
- the upper part 18 is angled at its end and contains in the corner area not shown means for fixing the holding device 7.
- the fastening means engage in corresponding means in the door frame and thus cause the holding device 7 with the upper part 18 unfolded with the door frame is stable connected.
- the edge region of the inwardly angled upper part 18 is formed such that it forms a semicircle in the axial direction.
- the upper part 18 of the holding device 7 is pivoted downwards ver ⁇ .
- the user guides the holding device 7 in this state into the interior of the drum 1 and hangs it there.
- the holding device 7 is supported at the bottom of the door frame via appropriately designed means 5. Thereafter, the hinged upper part 18 is pivoted upwards and hooked or latched in the upper part of the door frame.
- the holding device 7 is thus fixed against rotation.
- In the holding device 7 of the rolled laundry spacers 8 is inserted with the textile 9 to be dried.
- the foldable upper part 18 for holding and locking the holder 7 is at the same time the air guiding device.
- the angled end part 19 of the hinged upper part 18 is pivoted into the drum interior 2 and forms a circular air inlet opening with the lower part 17.
- Other deviating from the circular shape of the air inlet openings are possible. It is essential that the opening formed with the upper part 18 unfolded is adapted in shape and size to the laundry spacer 8, or vice versa, the laundry spacer 8 is shaped according to the shape and size of the mounting opening.
- the holding device 7 is adapted to the shape of the feed opening. tion 6 of the respective dryer 1 designed.
- the Haltevor ⁇ device 7 and corresponding to the laundry spacers 8 can be designed so that in an easy for the user handling of the devices of the laundry spacers 8 has an optimal capacity.
- the angled, semicircular louver 19 presses with unfolded upper part 18 from above onto the laundry spacer 8. This state is shown in FIG. In a laundry spacer 8 of thick elastic material, the applied pressure is sufficient to provide an airtight connection between the laundry spacer 8 and the circular air inlet opening.
- Warm dry air flows through the air inlet opening arranged at the rear in the drum wall, which then preferably flows back into the intermediate layers 8 of the laundry spacer 8, where it absorbs and removes the moisture from the dry material.
- the desired and forced by means of the inventive holding device 7 flow path of the process air is indicated in Fig. 8 by arrows.
- the insertion and locking of the device 7, as well as the insertion and removal of the laundry spacer 8 are very easy for the user to do.
- the holding device 7 is equipped on the drum bottom side facing at least one spacer dome 24.
- the axial play of the holding device 7 in the drum 2 is reduced, which facilitates the positioning of the holder and further reduces the possibilities of erroneous actions when inserting the holding device 7.
- the integrated air guiding device 19 ensures that the drying air flow is forcibly guided through the interior of the laundry spacer 8 and the dry material 9 located at a distance therefrom and at rest.
- Drying door 4. Drying insert, holding rack, basket
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004055942A DE102004055942A1 (de) | 2004-11-19 | 2004-11-19 | Wäschetrockner |
| PCT/EP2005/055327 WO2006053807A1 (de) | 2004-11-19 | 2005-10-18 | Wäschetrockner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1828469A1 true EP1828469A1 (de) | 2007-09-05 |
Family
ID=35431501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05797131A Withdrawn EP1828469A1 (de) | 2004-11-19 | 2005-10-18 | Wäschetrockner |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20080110042A1 (de) |
| EP (1) | EP1828469A1 (de) |
| DE (1) | DE102004055942A1 (de) |
| WO (1) | WO2006053807A1 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005013053A1 (de) * | 2005-05-23 | 2006-11-30 | BSH Bosch und Siemens Hausgeräte GmbH | Kondensations-Wäschetrockner |
| US7886458B2 (en) * | 2006-12-22 | 2011-02-15 | G.A. Braun Inc. | Lint collection apparatus and system for fabric dryers |
| DE102008043168A1 (de) | 2008-10-24 | 2010-04-29 | Robert Bosch Gmbh | Trocknungsvorrichtung mit einem Kondensator |
| EP2423370B1 (de) * | 2010-08-24 | 2013-04-17 | Electrolux Home Products Corporation N.V. | Waschmaschine mit Drehtrommel |
| DE102012209124A1 (de) * | 2012-05-30 | 2013-12-19 | BSH Bosch und Siemens Hausgeräte GmbH | Aufnahmevorrichtung für einen entnehmbaren Filter eines Haushaltsgeräts |
| USD832539S1 (en) | 2017-06-29 | 2018-10-30 | John S. Baird | Dryer ball |
| US10465333B1 (en) | 2017-08-01 | 2019-11-05 | John S. Baird | Apparatus to prevent wadding of sheets in clothes dryer |
| US10738410B2 (en) * | 2018-08-03 | 2020-08-11 | Haier Us Appliance Solutions, Inc. | Rotating component of a laundry appliance with a helical seam |
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-
2004
- 2004-11-19 DE DE102004055942A patent/DE102004055942A1/de not_active Withdrawn
-
2005
- 2005-10-18 WO PCT/EP2005/055327 patent/WO2006053807A1/de not_active Ceased
- 2005-10-18 US US11/665,507 patent/US20080110042A1/en not_active Abandoned
- 2005-10-18 EP EP05797131A patent/EP1828469A1/de not_active Withdrawn
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2006053807A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US20080110042A1 (en) | 2008-05-15 |
| WO2006053807A1 (de) | 2006-05-26 |
| DE102004055942A1 (de) | 2006-05-24 |
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