EP1356151A1 - Wäschetrockner und verfahren zum behandeln von wäsche - Google Patents
Wäschetrockner und verfahren zum behandeln von wäscheInfo
- Publication number
- EP1356151A1 EP1356151A1 EP02706650A EP02706650A EP1356151A1 EP 1356151 A1 EP1356151 A1 EP 1356151A1 EP 02706650 A EP02706650 A EP 02706650A EP 02706650 A EP02706650 A EP 02706650A EP 1356151 A1 EP1356151 A1 EP 1356151A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ozone generator
- ozone
- laundry
- air flow
- dryer according
- 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
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
- D06F58/20—General details of domestic laundry dryers
- D06F58/203—Laundry conditioning arrangements
-
- 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
- D06F58/32—Control of operations performed in domestic laundry dryers
- D06F58/34—Control of operations performed in domestic laundry dryers characterised by the purpose or target of the control
- D06F58/36—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry
- D06F58/44—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry of conditioning or finishing, e.g. for smoothing or removing creases
-
- 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
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/02—Characteristics of laundry or load
- D06F2103/08—Humidity
-
- 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
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/28—Air properties
- D06F2103/34—Humidity
-
- 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
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/38—Conditioning or finishing, e.g. control of perfume injection
Definitions
- the invention relates to a clothes dryer with a container for laundry, into which a supply air flow can be introduced for the purpose of drying the laundry, according to the preamble of claim 1.
- the invention also relates to a method for treating laundry according to the preamble of claim 16.
- Ozone the tri-atomic oxygen (0 3 ), is used advantageously in numerous technical applications.
- ventilation technology applications airborne germs, for example, but also oxidizable gases and vapors and odors are oxidatively destroyed.
- water technology applications such as drinking water, swimming pools
- ozone is dissolved in small amounts of around 1 - 2 g / m 3 in water with the aim of preventing biological activities in the water and killing germs, and oxidatively destroying organic substances dissolved in water.
- this weak concentration of 1 to 2 ppm by weight in aqueous solution there is no toxic effect on humans and no aggressive effect on materials, although germs are killed after an average of 10 minutes and the reproductive capacity of biological material is generally prevented.
- Ozone is the most reactive oxidant with a very high effectiveness against all oxidizable substances and against all kinds of germs.
- Newer ozone generators are no longer built according to the classic principle of a tube, but often as a flat, multilayer dielectric assembly using planar technology.
- the invention is therefore based on the object of providing a clothes dryer and a method with which it is possible to completely or partially sterilize or passivate microorganisms and germs in laundry.
- a tumble dryer with a container for laundry, in particular a drum, into which a supply air flow can be introduced for drying the laundry, and which is characterized by an ozone generator which is capable of adding ozone to the supply air flow.
- the object is further achieved by a method for treating laundry which is located in a container, in particular the drum of a clothes dryer, with a supply air flow being able to be introduced into the container for the purpose of treating, in particular drying, characterized in that the Supply air flow ozone is added, which is generated by an ozone generator before it is introduced into the supply air flow.
- the ozone is initially in a pressure vessel from which it is slowly released into the supply air flow, so that in this case the ozone can have been produced by an ozone generator which is removed from the place where the laundry is dried.
- this invention proposes to use ozone advantageously in electric clothes dryers.
- ozone is added to the air provided for drying.
- the ozone is preferably generated electrically according to the principle of the dielectric barrier silent discharge.
- Compact flat modules are preferably used as ozone generators.
- the amount of ozone generated in the system is typically in a range between 50-200 mg / h, which results in ozone concentrations of approximately 0.5 lppm in the event of permanent ozone decomposition and in the presence of wet laundry.
- the invention can in particular also be used for the preparation of hospital linen and thus contribute to reducing the risk of cross-infections within the hospital.
- the supply air flow is preferably heated to accelerate the drying process.
- the clothes dryer therefore preferably has an air heater which is able to heat the supply air flow.
- the supply air flow comprises two partial air flows, namely a main air flow and a secondary air flow, a smaller amount of air per unit time flowing in the secondary air flow than in the main air flow and the ozone generator being arranged in one of the two partial air flows.
- the ozone generator can be arranged in the secondary air flow and a filter can be arranged in the same which filters out particles from the secondary air flow.
- the secondary air flow is passed through the filter.
- the ozone generator is therefore switched off when the moisture content of the laundry or the air flowing out of the laundry is less than a predetermined threshold value.
- the clothes dryer has a moisture sensor which detects the moisture of the laundry or the air flowing out of the laundry and, if this humidity is less than a predetermined threshold value, switches off the ozone generator or triggers a switch-off of the ozone generator.
- the ozone generator is automatically switched off after a predetermined period of time after the laundry drying process has started and before the end of the same.
- the clothes dryer can have a timer which is able to switch off the ozone generator after a predetermined period of time after the start of the clothes drying process.
- the supply air flow in this case is preferably both kept going and heated for a certain period of time after the ozone generator has been switched off.
- the container has a lockable loading hatch, wherein the ozone generator can only be switched on when the loading hatch is closed and the tumble dryer comprises a switch which is able to forcibly switch off the ozone generator before or when the loading hatch is opened.
- the switch can be triggered in parallel by this switch.
- the container has a lockable loading hatch with an opening mechanism with a blocking device, which is able to block the opening mechanism when the ozone generator is switched on, so that the loading hatch can only be opened when the ozone generator is switched off. In this way it is prevented that the ozone generator continuously produces ozone and releases it through the hatch opening when the loading hatch is open.
- the container has a lockable loading hatch with an opening mechanism with a blocking device, actuation of the opening mechanism triggers a shutdown of the ozone generator and the blocking device blocks the opening mechanism when the ozone generator is switched on and after the ozone generator is switched off for a predetermined waiting time and only after that releases at this
- the blocking of the opening mechanism is only released when the ozone generator is switched off and at least a predetermined waiting time has passed after it was switched off.
- the blocking device can be able, for example with the aid of a delay circuit, to block the opening mechanism for a predetermined waiting time after the ozone generator has been switched off and only then release it. so that opening the hatch after switching off the ozone generator is only possible after the waiting time.
- the supply air flow is preferably both kept going and heated for a certain period of time.
- the tumble dryer is therefore able to keep the supply air flow and the air heater going for a certain period of time after the ozone sensor has been switched off.
- the ozone generator is therefore heated by a heating element to such a high temperature that no condensation takes place on the ozone generator.
- the ozone generator can be heated above the dew point temperature by means of a heating element.
- the temperature of the ozone generator is preferably regulated here, a temperature setpoint being specified which is higher than the dew point temperature.
- the tumble dryer can have a temperature controller which is connected to the heating element and a temperature sensor arranged on or in the ozone generator and is able to regulate the temperature of the ozone generator by influencing the heating power of the heating element.
- the heating element can be an electrical resistor which is thermally conductively connected to the ozone generator.
- the ozone is preferably generated by means of compact, flat modules based on the principle of the electrically disabled discharge according to DE 1 99 31 366.0.
- the ozone generator is therefore preferably one which has two electrodes, between which a high voltage of a high-voltage generator is applied and between which there are at least two dielectrics.
- the ozone is therefore preferably generated by an ozone generator which has two electrodes between which a high voltage is applied and between which there are at least two dielectrics, and which is operated on the principle of dielectric barrier discharge.
- the temperature sensor and / or the heating element can e.g. a conductor structure, in particular made of platinum, which is applied to one of the dielectrics, in particular vapor-deposited.
- FIG. 1 shows a schematic representation of a clothes dryer according to the invention
- FIG. 2 shows a schematic time schedule for a clothes drying process according to the invention
- FIG. 3 shows a schematic block diagram for a moisture control of a
- Laundry dryer according to an embodiment of the invention and Figure 4 is a schematic representation of an embodiment of a known ozone generator, which is additionally provided with a conductor structure serving as a temperature sensor.
- FIG. 1 schematically shows an embodiment of a laundry dryer 10 according to the invention, which has an ozone generator 6 with two electrodes (not shown in FIG. 1). A high voltage of a high-voltage generator (not shown in FIG. 1) is applied between the two electrodes via corresponding supply lines, not shown.
- the laundry to be dried is vigorously aerated in a rotatable drum 5 or in rotatable drums 5 with the aid of supply air, the air transported by powerful fans 2 being heated by the system in heating registers 3.
- the supply air enters the tumble dryer in two partial air flows 1A, IB, namely in a main air flow 1A and in a secondary air flow IB, both of which are driven by the fan 2.
- the secondary air flow IB flows through a tube 7, which contains the ozone generator 6, before it enters the drum 5, and is enriched with ozone in the process. Both partial air flows 1A, IB are swirled by the fan 2 and thereby mixed with one another largely homogeneously.
- a filter in the area of the air inlet side of the tube 7, a filter can be arranged which consists of particles filters out the secondary air flow and thus protects the ozone generator 6 from contamination.
- a filter can also be arranged in the region of the air outlet end of the tube 7, in order to prevent dust or fluff from diffusing into the tube 7, for example when the fan 2 is at a standstill.
- the air leaves the tumble dryer as exhaust air flow 8.
- the drum is often on the same shaft 4 with the blades of the fan, so that the drum is rotated and the fan is moved with a single motor. After a while, the laundry is removed dry.
- the ozone generator can be located in the main flow of the internally transported air. This has the disadvantage that textile fluff and other particles can settle on the surface of the ozone generator and can hinder its function in the long run. According to the invention, it is therefore proposed to preferably arrange the ozone generator in a secondary flow, as shown in FIG. 1 using an exemplary embodiment.
- Simple systems simply blow the heated air through the items of washing moving in the drum 5, the moist and hot exhaust air 8 simply being discharged to the outside.
- More complex systems work in terms of ventilation in terms of ventilation, with condensers (cooled surfaces) extracting the moisture from the air according to the condensation principle and temporarily storing it in a container that must be emptied after the drying process.
- the ozone is preferably generated electrically according to the principle of the dielectric barrier silent discharge.
- Compact flat modules are preferably used as ozone generators. The one generated in the system
- Amount of ozone is typical in a range between 50-200mg / h, which at permanent decay of the ozone and in the presence of wet laundry gives ozone concentrations of about 0.5 lppm.
- the ozone generator 6 is arranged in front of the fan or fan 2 in FIG. 1. In another embodiment (not shown), the ozone generator 6 is arranged between the fan 2 and the air heater 3, in yet another embodiment (not shown) between the air heater 3 and the drum 5. The turbulence generated by the fan 2 also ensures that the secondary air flow is mixed with the main air flow in these embodiments.
- ozone dissolves in the water that is contained in the wet tissue to be dried (4.94 ml (or approx. 10 mg) ozone dissolves in 1000 ml of water).
- This forms highly reactive hydro radicals, such as O 2 H, O 3 H, or O 2 R (R organic residue), which when recombined generate oxygen in the singlet state:
- the process according to the invention advantageously ensures that germs, protein residues and odor-carrying chemical substances, organic substances attached to the laundry Substances that are destroyed by oxidation or at least passivated. After the ozone treatment, the laundry is hygienic in every respect.
- FIG. 2 shows the timing of a typical application:
- the switch-on range of the fan and the drum is designated by the reference number 11, the switch-on range of the electric air heater by the reference number 12 and the switch-on range by the ozonization by the reference number 13.
- both the air blower, the air heating, the drum motor and the ozone generator are switched on.
- the fan, the air heater and the ozone generator are switched on simultaneously according to the variant of FIG. 2 at the beginning of the laundry drying process, time to.
- the ozone generator is switched off.
- tl which is preferably chosen so that approximately 80% of the laundry-bound moisture has evaporated
- the ozone generator is switched off while the valve is Tor, the rotation of the drum and the air heater continue to go beyond the time tl.
- the clothes dryer preferably comprises a timer which is able to switch off the ozone generator after a predetermined period of time after the start of the clothes drying process.
- the timer which is usually present from the outset in conventional tumble dryers for controlling the time sequences can advantageously be used, so that advantageously no additional timer is required for timing the ozone generation.
- the remaining drying time is completed conventionally.
- the hydroxides and the adsorbed ozone molecules detach from the laundry and disintegrate into diatomic, molecular oxygen 0 2 .
- the laundry removed is hygienically perfect and advantageously no longer carries any adsorbed ozone.
- the air heater is also switched on at a time t2 lying after the time t1, while the fan and the rotation of the drum continue to run beyond the time t2. Finally, at a later point in time t3, the fan and the rotation of the drum are also switched off.
- a clothes dryer according to the invention has a moisture sensor which is able to detect the moisture of the laundry or the air flowing out of the laundry and then, if this humidity is less than a predetermined threshold value, to switch off the ozone generator or trigger a shutdown of the ozone generator.
- FIG. 3 shows a schematic block diagram for a moisture control of a tumble dryer according to an embodiment of the invention with a moisture sensor 25, a central control and command device 22, an ozone generator 24 and a controllable high-voltage generator 23, which is able to supply the ozone generator 24 with high voltage.
- Many modern drying devices contain sensors that determine the moisture in the laundry. This can be done by measuring the relative humidity of the air using a hygrometer, but also by measuring the electrical conductivity of the laundry; wet laundry conducts, dry laundry is an insulator.
- the existing moisture sensor can be used as the moisture sensor 25, FIG. 3, so that advantageously no additional moisture sensor is required for the moisture control of the ozone generation.
- the moisture sensor 25 of FIG. 3 can therefore be an existing or a retrofitted moisture sensor.
- control device 22 which controls one or more conventional functions of the tumble dryer and is able to serve as a control and command device 22 (FIG. 3), in which case there is advantageously no additional control for the moisture control of the ozone generation. and command device is required.
- the command and control device 22 of FIG. 3 can therefore be an existing or retrofitted control device.
- Retrofitting conventional tumble dryers to a tumble dryer according to the invention is therefore possible in many cases with little effort.
- FIG. 3 there is an electrical connection 26, 26 'between the central control and command device 22 controlling the tumble dryer, the sensors 25 and the high-voltage generator 23 which drives the ozonization module 24.
- the moisture sensor 25 detects the humidity of the laundry or the air flowing out of the laundry and, if this humidity is less than the predetermined threshold value, outputs a switching signal to the control and command device 22. This in turn then outputs a switching signal to the high-voltage generator 23, causing it to switch off the high voltage, so that the ozone generator 24 no longer receives high voltage and is therefore switched off.
- a moisture sensor is connected directly to the high-voltage generator and is able to cause the latter to switch off the high voltage if the measured humidity falls below the threshold value without a control and command device being involved.
- These designs are based on the logic that ozonization is switched off when the relative humidity in the internal air circuit or the relative humidity of the exhaust air 8, FIG. 1, or when the conductivity of the laundry falls below a certain, predetermined value. As a result, laundry that is already dry is prevented from being ozonized.
- control methods advantageously prevent very high ozone concentrations from forming inside the device. Because when the laundry is wet, a large proportion of the ozone produced goes from the gas phase into the aqueous solution. With a given ozone production of approx. 50-100mg / h and with a given natural decay rate of ozone, namely half-life at high air temperatures and high air humidity in the range of a few minutes, ozone concentrations in the range of typically 0.5-lppm result with wet laundry, which at a room volume of approx. 50 liters corresponds to a weight of just a few micrograms of airborne ozone. Existing ozone is less in the air than in a weak aqueous solution.
- the airborne ozone concentration inside the device can increase to values of 3-5ppm. This is not only ineffective in relation to the intended aim, but can have long-term adverse effects on surfaces and technical components in contact with ozone.
- the drying process is interrupted by the user, for example to put another piece of laundry in the drum.
- ozone can get into the surrounding space through the open hatch.
- 50 liters of air with a very high ozone concentration of e.g. 10ppm should be in the device, mixing it with approx.10,000 liters of room air would result in a worst case scenario of an ozone concentration of harmless but smellable 0.05ppb, since all device functions - including that Ozone production - to be interrupted when the hatch is opened.
- the ozone generator can be heated above the dew point temperature by means of a heating element.
- the heating element can be, in particular, an electrical resistor, through which a heating current flows and which is thermally conductively connected to the ozone generator.
- it is proposed to thermally couple an electrical resistor acting as a heater to the ozonization module.
- the ozone generator has two electrodes, between which a high voltage of a high-voltage generator is applied and between which there are at least two dielectrics and which works on the principle of dielectric barrier discharge.
- the ozone generation is preferably carried out in compact, flat modules according to the principle of the electrically disabled silent discharge according to the teaching of DE 1 99 31 366.0.
- the clothes dryer has a temperature controller which is connected to the heating element and a temperature sensor arranged on or in the ozone generator and is capable of regulating the temperature of the ozone generator by influencing the heating power of the heating element.
- the temperature sensor can be designed as a conductor structure, in particular made of platinum. forms, which is applied to one of the dielectrics, in particular vapor-deposited.
- FIG. 4 shows a schematic illustration of an embodiment of such an ozone generator, which, however, is additionally provided with a conductor structure 36 serving as a temperature sensor.
- the ozone generator of FIG. 4 comprises a carrier 33, which consists of a first dielectric and carries on its one main surface a layer 32 consisting of another, second dielectric, which only partially covers the main surface of the carrier 33.
- a band electrode 31 is arranged on this so that the second dielectric 32 is located between the band electrode 31 and the carrier 33.
- a counter electrode 34 is arranged on the opposite main surface of the carrier 33. This is followed by a glass layer 35, which serves as an insulator and protection for the counter electrode 34.
- the counter electrode 34 is also used as a temperature sensor, so that the separate conductor structure 36 can be omitted. According to a further embodiment, the counter electrode 34 is used as a temperature sensor, the separate conductor structure 36 having a heating current flowing through it and being used as a heating element.
- the invention is commercially applicable for a device for drying laundry, which has a rotating drum receiving the dry material, an air heater and an air fan which conveys the heated air through the drum and thus through the laundry to be dried.
- An ozonizer is built into the airflow, so that the air is enriched with ozone.
- germs, odors and organic substances carried by the laundry are advantageously destroyed or passivated by the chemical mechanism of the oxidation.
- the invention is commercially applicable in hospitals and nursing homes.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10103905A DE10103905A1 (de) | 2001-01-30 | 2001-01-30 | Hygienisch einwandfreie Trocknung von Wäsche unter Einsatz von Ozonisatoren |
DE10103905 | 2001-01-30 | ||
PCT/DE2002/000317 WO2002061197A1 (de) | 2001-01-30 | 2002-01-30 | Wäschetrockner und verfahren zum behandeln von wäsche |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1356151A1 true EP1356151A1 (de) | 2003-10-29 |
EP1356151B1 EP1356151B1 (de) | 2005-09-14 |
Family
ID=7672075
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02706650A Expired - Lifetime EP1356151B1 (de) | 2001-01-30 | 2002-01-30 | Wäschetrockner und verfahren zum behandeln von wäsche |
Country Status (5)
Country | Link |
---|---|
US (1) | US20040237338A1 (de) |
EP (1) | EP1356151B1 (de) |
JP (1) | JP2004524892A (de) |
DE (3) | DE10103905A1 (de) |
WO (1) | WO2002061197A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10311255A1 (de) | 2002-09-18 | 2004-04-01 | T.E.M.! Technologische Entwicklungen Und Management Gmbh | Lufttransport- und/oder Aufbereitungsanlagen mit katalytisch beschichteten Oberflächen luftberührender Flächen |
DE10260149A1 (de) * | 2002-12-20 | 2004-07-01 | BSH Bosch und Siemens Hausgeräte GmbH | Vorrichtung zur Bestimmung des Leitwertes von Wäsche, Wäschetrockner und Verfahren zur Verhinderung von Schichtbildung auf Elektroden |
DE102006037239A1 (de) * | 2006-08-09 | 2008-02-14 | BSH Bosch und Siemens Hausgeräte GmbH | Verfahren und Wäschetrockner bzw. Waschtrockner zum Steuern des Trocknens von feuchter Wäsche |
AU2008241354A1 (en) * | 2007-04-20 | 2008-10-30 | Eco-Dry Systems Pty Ltd | Ozone dryer |
KR101256145B1 (ko) * | 2007-11-05 | 2013-04-23 | 동부대우전자 주식회사 | 히터 내장형 흡기관을 구비하는 건조기 |
KR101308510B1 (ko) * | 2007-11-05 | 2013-09-12 | 동부대우전자 주식회사 | 히터 내장형 흡기관을 구비하는 건조기 |
DE102010029885A1 (de) | 2010-06-09 | 2011-12-15 | BSH Bosch und Siemens Hausgeräte GmbH | Verfahren zur Behandlung von Wäsche in einer Waschmaschine bei niedriger Temperatur und hierzu geeignete Waschmaschine |
TR201010882A1 (tr) * | 2010-12-24 | 2012-07-23 | Ar�El�K Anon�M ��Rket� | Bir ozon üretici içeren kurutucu. |
KR101580173B1 (ko) * | 2011-02-01 | 2015-12-24 | 삼성전자 주식회사 | 세탁기, 전력 관리기 및 그의 제어 방법 |
KR102658780B1 (ko) * | 2016-09-21 | 2024-04-19 | 엘지전자 주식회사 | 건조기의 제어 방법 |
US10648944B2 (en) * | 2016-09-30 | 2020-05-12 | Endress+Hauser Conducta Inc. | Failure analysis of a measuring sensor with an integrated temperature sensor |
CN108310425B (zh) * | 2018-02-02 | 2021-02-12 | 毕玉亮 | 大棚自动灭菌机 |
CN113237314B (zh) * | 2021-06-02 | 2022-04-29 | 中科瑞能(山东)科技有限公司 | 一种具有臭氧杀菌功能的粮食烘干塔 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2957330A (en) * | 1954-02-26 | 1960-10-25 | Kermit R Cline | Combination washer and drier |
US3226842A (en) * | 1963-03-06 | 1966-01-04 | Gen Electric | Fabric dryer with ozone type bleaching system |
US3438136A (en) * | 1965-11-01 | 1969-04-15 | Jack E Raymond | Ozone producing laundry freshening units |
US3877152A (en) * | 1973-10-03 | 1975-04-15 | Dewitt Y Gorman | Sanitizing and deodorizing apparatus |
DE3343236A1 (de) * | 1983-11-30 | 1985-06-05 | Hans 4600 Dortmund Baltes | Verfahren und vorrichtung zum trocknen und sterilisieren von geweben, insbesondere von empflindlichen geweben |
US4941270A (en) * | 1987-09-21 | 1990-07-17 | 501 Geonate Holdings Inc. | Ozone dryer |
DE19935984A1 (de) * | 1999-07-30 | 2001-02-01 | Bsh Bosch Siemens Hausgeraete | Vorrichtung und Verfahren zum Desodorieren und Desinfizieren von Wäsche |
-
2001
- 2001-01-30 DE DE10103905A patent/DE10103905A1/de not_active Withdrawn
-
2002
- 2002-01-30 US US10/466,319 patent/US20040237338A1/en not_active Abandoned
- 2002-01-30 EP EP02706650A patent/EP1356151B1/de not_active Expired - Lifetime
- 2002-01-30 DE DE10290283T patent/DE10290283D2/de not_active Expired - Fee Related
- 2002-01-30 DE DE50204252T patent/DE50204252D1/de not_active Expired - Lifetime
- 2002-01-30 JP JP2002561123A patent/JP2004524892A/ja not_active Withdrawn
- 2002-01-30 WO PCT/DE2002/000317 patent/WO2002061197A1/de active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO02061197A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE50204252D1 (de) | 2005-10-20 |
JP2004524892A (ja) | 2004-08-19 |
WO2002061197A1 (de) | 2002-08-08 |
US20040237338A1 (en) | 2004-12-02 |
EP1356151B1 (de) | 2005-09-14 |
DE10103905A1 (de) | 2002-08-01 |
DE10290283D2 (de) | 2004-04-15 |
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