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
  • D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
  • D06F17/04—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid solely by water jets
• • 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
  • D06F18/00—Washing machines having receptacles, stationary for washing purposes, and having further drying means 
• • 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
  • D06F58/10—Drying cabinets or drying chambers having heating or ventilating means
  • D06F58/12—Drying cabinets or drying chambers having heating or ventilating means having conveying means for moving clothes, e.g. along an endless track

Definitions

• the invention relates to a washing machine according to the preamble of claim 1.
• Washing machines of the type mentioned are known from the prior art as commercially available household washing machines with an integrated drying function.
• Household washing machines of this type have a washing drum for moving the laundry, into which washing liquor is washed. The dirt loosened in the laundry is then removed in a rinsing process.
• the washing process is followed by the drying of the laundry.
• Pre-dehumidification is carried out by spinning the laundry. Then the laundry is dried using hot air either according to the condensation principle or according to the exhaust air principle.
• a heat exchanger is required, on which the moist air condenses.
• a clothes dryer is known in which flow guide bodies are arranged in a curved gas channel in front of the heat exchanger, which divide the gas channel in the flow direction into individual flow spaces and thus the gas flow at the outlet of the gas channel or at the entrance of the heat exchanger via the Equalize cross-section.
• the heat exchanger should be used better in this way.
• DE 199 43 389 A1 discloses a heat exchanger for household clothes dryers which is further developed.
• washing, drying and smoothing devices for industrial laundry purposes are known from the prior art.
• JP-A-10118398 a drying, smoothing and ironing device for washed laundry is known, which has a belt for absorbing the moisture and rollers for transporting the laundry.
• a conveyor for moving laundry is known from US Pat. No. 5,439,768, in which the laundry to be transported is coupled to the conveyor belt by means of fastening clips.
• a mangle device in which pressure is exerted on the laundry against a roller by means of a conveyor belt in order to carry out a pre-dehumidification.
• the object of the invention is to create an improved washing machine with an integrated dryer.
• the invention can advantageously be implemented both according to the condensation or recirculation principle and also according to the exhaust air principle.
• the movement of the laundry already washed through a conveying direction in the washing machine intensifies the air exchange with the laundry, so that the time and / or energy required for the drying process can be reduced accordingly.
• the washing machine advantageously has a cabinet-shaped housing.
• a rinsing water container can be arranged on the rear wall of the cabinet-shaped housing.
• the rinse water tank also serves as a heat exchanger, so that water in the rinse water tank is preheated. Preheated fresh water is then already available for a subsequent washing process, so that overall energy can be saved.
• the flushing water tank is advantageously realized by a double-walled design of the rear wall of the housing. This is particularly advantageous since the cabinet-like shape of the housing results in a large area for the heat exchange between the air to be condensed and the condenser.
• the invention makes it possible to hang the laundry to be washed on the conveyor belt located in the washing machine - for example on a hanger or a rod.
• the washing process is then carried out on the laundry thus suspended.
• the drying process follows, in which the laundry is moved in an air flow by means of the conveyor belt.
• the drying process is followed by a smoothing and / or ironing process by blowing hot air into the suspended laundry.
• the items to be washed are then already in their use position, so they can be removed either manually or automatically from the washing machine in order to hang them on a clothes rail.
• a particular advantage of the invention is that the conveyor device of the washing machine can circulate the laundry inside the housing of the washing machine. Different devices for realizing the different washing process steps can be arranged along this cycle. This makes it possible - depending on the degree of soiling - to go through the individual washing process steps several times.
• nozzles for wetting the laundry can be arranged along a section of the circulation in order to ensure better absorption of the washing powder or the washing liquor by moistening the laundry.
• nozzles can be arranged in order to spray the wash items with wash liquor in order to soak them. The dirt is then loosened by the action of the detergent on the laundry.
• the loosened dirt is then removed from the laundry by a rinsing process.
• the rinsing process can be carried out by rinsing nozzles arranged in a further section of the circulation for spraying rinsing water onto the laundry. After the cleaning of the laundry has been carried out, it is advantageous to carry out a step for pre-dehumidifying the laundry.
• a pair of rollers arranged along the circulation in the housing serves to pre-dehumidify the laundry.
• the items to be washed are drawn through the pair of rollers by means of the conveying device, so that the washing water in the items to be washed is at least partially pressed out.
• the pre-dehumidification is carried out by pressing the laundry against an absorbent fleece.
• the items to be washed are preferably pressed against the fleece in a region of the circulation by means of a roller, at the same time being drawn on by the conveying device.
• the fleece absorbs water from the laundry at least in a region of the pressure point of the roll, so that it is pre-dehumidified.
• the laundry is pre-dehumidified by hot or cold compressed air.
• the pre-dehumidification can take place according to the exhaust air dryer as well as the condensation dryer principle.
• the elements required for the drying function are also arranged along the circuit described by the conveyor belt, so that the movement of the wash items results in an average uniform application of warm or hot air to the wash items.
• compressed air can be fed into the laundry, for example, via the suspension of the laundry on the conveyor belt, so that the laundry is "inflated" from the inside.
• the laundry can be coated with compressed air from the outside.
• Fig. 2 is a perspective view of a washing machine with ironing function.
• 1 shows a washing machine 1 which has a cabinet-shaped housing 2.
• the housing 2 can be up to 2 m high, for example.
• the remaining dimensions of the washing machine 1 preferably correspond to those of conventional household washing machines.
• this conveyor device can also be implemented, for example, as a conveyor chain.
• the conveyor belt 3 has drivers which are designed as eyelets 4.
• Each of the eyelets 4 serves to receive a hook or a clip for fastening laundry to the conveyor belt 3.
• the laundry 5 can be located on a clothes hanger 6.
• the hanger 6 then engages with its hook in the eyelet 4.
• the laundry 5 can be hung on the conveyor belt 3 in a manner similar to that in a wardrobe. Since the housing is cupboard-shaped and the circulation is essentially parallel to a housing wall, preferably to the housing side wall, the hanging and removal of the laundry is very easy.
• spray nozzles 7 for spraying water onto the laundry 5.
• cleaning nozzles 8 for spraying washing liquor onto the laundry are arranged along the conveyor belt 3 on the inside of the housing.
• rinsing nozzles 20 for spraying rinsing water onto the items 5 to be washed, so that the loosened dirt is rinsed out of the items 5 to be washed.
• the conveyor belt 3 On the opposite inside of the housing 2 there is an area of the conveyor belt 3 with a hot air pressure blower 9 for brushing the laundry 5 with warm or hot air. Above the hot air pressure blower 9 there is an absorbent fleece 10 which is guided over rollers 11 and 12. At least one of the rollers 11 or 12 can be driven in order to move the fleece in its parallel region directly facing the conveyor belt 3, essentially synchronously with a circulating movement of the conveyor belt 3.
• a blower 13 is also located in the housing 2.
• the blower 13 can be used to suck in air or to blow off exhaust air.
• a heat exchanger 14 which is advantageously designed as a rinsing container.
• the rinsing container has the function of storing the water for the rinsing processes and at the same time serves as a condenser for condensing the water taken up with the compressed air from the laundry 5.
• the water in the rinsing tank is preheated by the heat exchange with the condensing steam. The energy consumption of the washing machine 1 can thereby be reduced.
• the water supply to the heat exchanger 14 takes place via channels running on the rear wall of the housing 2 or via channels running on the side walls of the housing 2. Before the start of the drying process, the heat exchanger 14 is filled with fresh water.
• a fluff filter 15 in a wash liquor collecting container 22 which serves to collect water.
• a circulation pump 16 for wetting and / or spraying the laundry 5 via the spray nozzles 7 or the cleaning nozzles 8 and a drain pump 17 for pumping around or for pumping out washing liquor via the hose 18 are located under the wash liquor collecting container 22.
• a heater in the form of heating spirals below and / or above a door opening in the housing 2.
• the heating coils are not shown in FIG. 1.
• the laundry 5 is first hung in the conveyor belt 3. If the items to be washed 5 are, for example, shirts or blouses, it is advantageous to hang them in each case with a clothes hanger in an eyelet 4 of the conveyor belt 3.
• a laundry net For other items that are not easy to hang on a hanger - for example underwear and socks - the use of a laundry net is advantageous.
• One or more parts of such laundry are placed in a laundry net which has a hook at an upper end corresponding to the hook of the clothes hanger 6 shown in FIG. 1. With its hook, the laundry net can then be hung into the conveyor belt 3 like a hanger 6 in an eyelet 4.
• the detergent is added to the detergent solution container 22 via a detergent addition. This can follow via a storage and dosing container combination according to the principle of a induction bowl. After starting the washing program, the detergent dissolves in the water bath and is led to the cleaning nozzles 8 at the appropriate time via the circulation pump 16.
• the conveyor belt 3 is set in a circumferential movement in a first step, in accordance with the direction of movement shown by the arrows 19.
• the rotational speed of the conveyor belt 3 and thus of the laundry 5 transported by the conveyor belt 3 corresponds to the washing process speed required in each case.
• the spray nozzles 7 wet the passing laundry 5 in order to moisten it and thus accelerate the absorption of detergent into the laundry 5.
• the items to be washed pass the cleaning nozzles 8, through which wash liquor is sprayed onto the items to be washed 5.
• the wash liquor soaks the laundry 5 and so loosens the dirt.
• a third step fresh water is sprayed from the rinsing nozzles 20 onto the laundry 5 passing by in order to remove the dirt and the wash liquor.
• the cleaning success of the items 5 to be cleaned can be checked or the turbidity of the washing liquor measured and, if necessary, evaluated. If the degree of cleaning is not satisfactory, the above Repeat steps as many times as necessary.
• wash liquor or the rinse water drips from the damp laundry 5 into the wash liquor collecting container 22 and is fed from there in a circuit to the cleaning nozzles 8 or pumped out via the drain pump 17.
• washing machine 1 it is not necessary for the laundry 5 to be introduced into the washing liquor 23 located in the washing liquor collecting container 22; rather, washing solution is applied to the laundry 5 in the exemplary embodiment shown solely via the cleaning nozzles 8.
• the laundry 5 can be brought against a system. Furthermore, the process of water exchange or water delivery can be intensified and accelerated with the help of pairs of rollers.
• the dry phase follows. After the fresh water supply to the flushing nozzles 20 has been switched off, dry, heated compressed air is dried for the drying process by means of a compressor or the blower. se 13 led to the laundry. Through an additional circulation or back and forth movement of the laundry 5 through the conveyor belt 3, the drying time can be shortened by the associated intensive air exchange with the air in the housing 2.
• the laundry 5 Before the laundry 5 is actually dried, the laundry 5 is advantageously pre-dehumidified.
• a pair of rollers is electronically controlled by distance sensors on both sides against the laundry 5 moved with the conveyor belt 3, so that the laundry 5 is pulled through the pair of rollers. Due to the pressure of the pair of rollers on the laundry 5 in between, water is pressed out of the laundry 5 and drips back into the washing liquor container 22.
• a roller chain can also be provided, so that the laundry 5 is pulled through a roller chain arranged on both sides of the laundry 5 instead of through the pair of rollers.
• the laundry 5 is pressed against the fleece 10 by means of a roller 24 as soon as it has reached the area of the fleece 10.
• the roller 24 moves in the direction of the arrow 25 in order to press the laundry 5 against the fleece.
• a pressure is exerted on the laundry 5 against the fleece 10, so that the water in the laundry 5 is at least partially absorbed by the fleece 10 at this point.
• the conveyor belt continues to move the laundry 5 in question along the movement seal of the arrow 19, so that the area in which the roller 24 meets the laundry 5 also changes.
• the fleece 10 guided over the rollers 11 and 12 also moves on.
• This has the advantage that, where the laundry 5 is pressed against the fleece 10 by means of the roller 24, there is a region of the fleece 10 that is even drier and thus more absorbent.
• the water absorbed in the fleece can be pressed out, for example, via a further pair of rollers (not shown) when the fleece soaked in water returns on the side directly facing the housing 2.
• the pre-dehumidification can be carried out by means of dry compressed air which is applied directly to the laundry. About the warm air The dry air is applied evenly to the items to be washed by pressure blowers. In addition, the items to be washed can be fixed during the application of the compressed air, for example between grids not shown in FIG. 1.
• the compressed air is advantageously process-controlled in sub-steps.
• the steps mentioned can be carried out in combination or in succession - also repeatedly - in order to achieve an optimal cleaning effect.
• FIG. 2 shows a further preferred embodiment of the washing machine according to the invention.
• the same reference numerals as in FIG. 1 are used.
• Fig. 2 shows a washing machine 2 with smooth and ironing function.
• the washing and drying phases are followed by a smooth and / or ironing phase.
• the conveyor belt 3 is formed in two parts. Only the rear part of the conveyor belt 3 is shown in FIG. 2. Between the two parts of the conveyor belt 3 there are carriers 26 onto which items 5 can be hung.
• the carriers 26 are hollow on the inside for guiding compressed air. Via a compressor, hot air can be blown into the laundry 5 suspended from the carriers 26 via the carriers 26.
• Warm air pressure blowers 9 are arranged along an inside of the housing 2. To implement the smoothing and / or ironing function, hot air is blown into the laundry 5 via the carrier 26, so that the laundry 5 is subjected to the pressure of hot air on the inside thereof. At the same time, the laundry is moved past the warm air pressure blowers 9 by the movement of the conveyor belt 3 in the direction of the arrow 19, so that the laundry 5 is also subjected to air pressure from the outside, so that a counterpressure arises. This results in the desired smooth and ironing effect.
• the laundry 5 After completion of the smoothing and ironing process, the laundry 5 is in the ready-to-use position. It can be rearranged mechanically by a machine from the washing machine 1 into a wardrobe or linen cupboard.

Landscapes

• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
• Treatment Of Fiber Materials (AREA)
• Detergent Compositions (AREA)
• Drying Of Solid Materials (AREA)

Applications Claiming Priority (3)

Publications (2)

Family

ID=7669213

Family Applications (1)

Country Status (6)

Families Citing this family (14)

Family Cites Families (37)

• 2000
  • 2000-12-27 DE DE10065334A patent/DE10065334A1/de not_active Withdrawn
• 2001
  • 2001-12-11 DE DE50111602T patent/DE50111602D1/de not_active Expired - Lifetime
  • 2001-12-11 AT AT01985393T patent/ATE347633T1/de not_active IP Right Cessation
  • 2001-12-11 EP EP01985393A patent/EP1349976B1/fr not_active Expired - Lifetime
  • 2001-12-11 WO PCT/EP2001/014555 patent/WO2002052089A1/fr not_active Ceased
• 2003
  • 2003-05-13 NO NO20032166A patent/NO323441B1/no not_active IP Right Cessation
  • 2003-06-27 US US10/608,497 patent/US7305856B2/en not_active Expired - Fee Related

Non-Patent Citations (1)

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