WO2013097975A1 - A washer comprising a dehumidifying unit - Google Patents

A washer comprising a dehumidifying unit Download PDF

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Publication number
WO2013097975A1
WO2013097975A1 PCT/EP2012/072530 EP2012072530W WO2013097975A1 WO 2013097975 A1 WO2013097975 A1 WO 2013097975A1 EP 2012072530 W EP2012072530 W EP 2012072530W WO 2013097975 A1 WO2013097975 A1 WO 2013097975A1
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WO
WIPO (PCT)
Prior art keywords
valve
tub
washer
air
dehumidifying
Prior art date
Application number
PCT/EP2012/072530
Other languages
French (fr)
Inventor
Yusuf Koc
Erman Tutkak
Original Assignee
Arcelik Anonim Sirketi
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Arcelik Anonim Sirketi filed Critical Arcelik Anonim Sirketi
Publication of WO2013097975A1 publication Critical patent/WO2013097975A1/en

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Classifications

    • 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
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/48—Drying arrangements
    • A47L15/481—Drying arrangements by using water absorbent materials, e.g. Zeolith
    • 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
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
    • A47L15/0021—Regulation of operational steps within the washing processes, e.g. optimisation or improvement of operational steps depending from the detergent nature or from the condition of the crockery
    • A47L15/0034—Drying phases, including dripping-off phases
    • 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
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/48—Drying arrangements
    • A47L15/488—Connections of the tub with the ambient air, e.g. air intake or venting arrangements
    • 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
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
    • A47L15/0021—Regulation of operational steps within the washing processes, e.g. optimisation or improvement of operational steps depending from the detergent nature or from the condition of the crockery
    • A47L15/0042—Desorption phases of reversibly dehydrogenated drying material, e.g. zeolite in a sorption drying system
    • 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
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/03—Operation mode, e.g. delicate washing, economy washing, reduced time, sterilizing, water softener regenerating, odor eliminating or service
    • 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
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/34—Other automatic detections
    • 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
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/10—Air circulation, e.g. air intake or venting arrangements

Definitions

  • the present invention relates a washer the dehumidifying effectiveness of which is increased.
  • dehumidifying elements comprising reversible type moisture adsorbent materials are used. Adsorbent materials can adsorb moisture up to the saturation point and simultaneously emit heat to their surroundings.
  • zeolite is used as moisture adsorbent in washers. Desiccant materials are regenerated by means of a heater. In cases wherein the heater is disposed inside the chamber, zeolite particles directly contacting the heater burn since they are exposed to high amount of heat. Air is provided to be delivered onto the zeolite by means of an air channel.
  • German Patent Document No. DE3626887 a dishwasher is described comprising a valve that prevents air passage to the dehumidifying unit when the desiccation capacity of the desiccant material is full.
  • the aim of the present invention is the realization of a washer comprising a dehumidifying unit the desiccation performance of which is improved.
  • the washer realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, comprises a dehumidifying unit wherein at least one desiccant material that dehumidifies the air passing therethrough is situated and at least one valve having a closed position wherein the valve prevents the humid air in the tub from passing to the dehumidifying unit and an open position wherein the valve allows the humid air in the tub to pass to the dehumidifying unit.
  • the washer of the present invention furthermore comprises a valve that changes to the closed position with the start of the washing and/or rinsing step.
  • the washer comprises a motor and a control unit that provides the valve to be moved by means of the motor.
  • the washer comprises the control unit that prevents the delivery of air to the dehumidifying unit with the completion of regeneration and provides the delivery of air to the dehumidifying unit with the start of the dehumidifying step.
  • the washer comprises at least one heater that provides the desiccant material to be heated and the control unit that prevents air passage to the dehumidifying unit when the heater is in closed position.
  • the washer comprises an air channel both ends of which are connected to the tub, a fan that sucks and sends the humid air in the tub towards the dehumidifying unit and a valve that allows the air passage through the air channel to be controlled.
  • the washer comprises the fan that is operated only during regeneration and/or dehumidifying and a valve that moves with the weight of the air during the air delivery from the air channel.
  • the desiccant material has reversible feature.
  • zeolite is used as the desiccant material.
  • a washer is realized having a valve that prevents the humid air formed in the washing and/or rinsing steps from passing to the desiccant material.
  • the moisture forming in the tub is prevented from passing through the desiccant material and thus from decreasing the desiccant capacity thereof before the dehumidifying step.
  • Figure 1 – is the schematic view of a washer when a valve is in the closed position.
  • Figure 2 – is the schematic view of a washer when a valve is in the open position.
  • the washer (1) comprises
  • valve (9) remains in the closed position (K) in the washing and/or rinsing step ( Figure 1).
  • the tub (3) interior temperature increases and vapor formation occurs in the tub (3) in the pre-washing and main washing steps in washing machines and in the main washing and hot rinsing steps in dishwashers.
  • the valve (9) changes to the closed position (K) and thus the humid air in the tub (3) is prevented from passing to the dehumidifying unit (7).
  • the desiccation capacity of the desiccant material (5) is prevented from decreasing before the dehumidifying step.
  • the valve (9) is opened and the humid air passing from the tub (3) to the air channel (4) is delivered to the dehumidifying unit (7) ( Figure 2).
  • the humid air is dehumidified in the desiccant material (5) disposed in the dehumidifying unit (7) and exits the dehumidifying unit (7) to return to the tub (3).
  • the desiccant material (5) emanates heat due to its thermophysical feature while retaining moisture and transfers this heat to the air passing therethrough.
  • the tub (3) interior temperature increases and thus the water accumulated on the items are provided to be evaporated.
  • the vapor formed passes over the desiccant material (5) in the dehumidifying unit (7) again in the closed cycle and received into the tub (3). After awhile, the humid air in the tub (3) is discharged from the tub (3).
  • the washer (1) comprises a motor (10) that opens/closes the valve (9) and a control unit (11) that provides the valve (9) to be opened/closed by means of the motor (10).
  • the control unit (11) moves the valve (9) that remains in the closed position (K) in the washing and/or rinsing step by means of the motor (10) and provides the valve (9) to remain in the open position (A) in the dehumidifying step ( Figure 2).
  • the washer (1) comprises the control unit (11) that provides the valve (9) to change to the closed position (K) with the completion of regeneration and to change again to the open position (A) in the dehumidifying step.
  • air is required to be delivered to the dehumidifying unit (7) for preventing the desiccant materials (5) from burning.
  • the valve (9) is opened by means of the control unit (11) and the air in the tub (3) is delivered to the desiccant material (5).
  • the valve (9) is changed to the closed position (K) by means of the control unit (11).
  • the passage of the humid air in the tub (3) is prevented from passing to the desiccant material (5) until the dehumidifying step and thus the desiccation capacity of the desiccant material (5) is prevented from decreasing.
  • the washer (1) comprises at least one heater (6) that is used for the regeneration of the desiccant material (5) and the control unit (11) that provides the valve (9) to change to the closed position (K) when the heater (6) is turned off.
  • the heater (6) is operated for regenerating the desiccant materials (5).
  • the desiccant material (5) is provided to be heated by operating the heater (6) and thus the moisture is provided to be removed from the desiccant material (5).
  • the heater (6) is turned off when the desiccant material (5) regains its desiccant characteristic. With the heater (6) being turned off, the control unit (11) detects the completion of the regeneration process.
  • the valve (9) is provided to be closed by means of the control unit (11) and the air passage from the tub (3) to the dehumidifying unit (7) is prevented.
  • the moisture in the tub (3) is prevented from passing to the desiccant material (5) and thus the desiccation capacity of the desiccant material (5) is prevented from decreasing as a result of this.
  • the washer (1) comprises an air channel (4) both ends of which are connected to the tub (3) such that the dehumidifying unit (7) remains therebetween, a fan (8) disposed on the air channel (4) and that sucks and sends the humid air in the tub (3) towards the dehumidifying unit (7), and the valve (9) disposed on the air channel (4).
  • the valve (9) is in the open position (A) in the regeneration or dehumidifying step and the air sucked by the fan (8) passes to the air channel (4) from the tub (3).
  • the humid air received into the air channel (4) is delivered to the dehumidifying unit (7) by means of the fan (8) ( Figure 1, Figure 2).
  • the washer (1) comprises the fan (8) that is operated only during regeneration and/or dehumidifying and the valve (9) that opens in the direction of gravity with the weight of the air during the delivery of air from the air channel (4) that extends in the vertical direction.
  • the air moved by the fan (8) passes to the air channel (4).
  • the valve (9) opens by moving in the same direction with the effect of the humid air coming from the tub (3).
  • the humid air is delivered to the dehumidifying unit (7) by means of the fan (8).
  • the humid air is dehumidified in the desiccant material (5) disposed in the dehumidifying unit (7) and exits the dehumidifying unit (7) to return to the tub (3).
  • a washer (1) is realized having a valve (9) that prevents the humid air forming in the washing and/or rinsing steps from passing to the desiccant material (5).
  • the amount of moisture in the tub (3) increases in the washing and/or rinsing steps.
  • the humid air is prevented from passing to the desiccant material (5) that regains its desiccant characteristic after regeneration.
  • the desiccant material (5) is provided to have a high dehumidifying performance in the dehumidifying step.

Landscapes

  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Abstract

The present invention relates to washer (1) comprising an outer cabinet (2), a tub (3) wherein the washing process is performed, situated into the outer cabinet (2) such that a gap remains therebetween, an air channel (4) both ends of which are connected to the tub (3) and the dehumidifying unit (7) wherein at least one desiccant material (5) that dehumidifies the air passing therethrough is situated.

Description

A WASHER COMPRISING A DEHUMIDIFYING UNIT
The present invention relates a washer the dehumidifying effectiveness of which is increased.
In the washers with dehumidifying effectiveness, a great amount of energy is consumed in the step of drying the washed items. In the state of the art, dehumidifying elements comprising reversible type moisture adsorbent materials are used. Adsorbent materials can adsorb moisture up to the saturation point and simultaneously emit heat to their surroundings. In the state of the art, zeolite is used as moisture adsorbent in washers. Desiccant materials are regenerated by means of a heater. In cases wherein the heater is disposed inside the chamber, zeolite particles directly contacting the heater burn since they are exposed to high amount of heat. Air is provided to be delivered onto the zeolite by means of an air channel. However, in the washing and rinsing steps performed between the regeneration and dehumidifying steps, the tub interior temperature rises and thus the amount of moisture in the tub increases considerably. The passage of the humid air to the zeolite through the air channel before the dehumidifying step decreases the desiccation capacity of the zeolite. Thus dehumidifying effectiveness decreases.
In the state of the art German Patent Document No. DE3626887, a dishwasher is described comprising a valve that prevents air passage to the dehumidifying unit when the desiccation capacity of the desiccant material is full.
The aim of the present invention is the realization of a washer comprising a dehumidifying unit the desiccation performance of which is improved.
The washer realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, comprises a dehumidifying unit wherein at least one desiccant material that dehumidifies the air passing therethrough is situated and at least one valve having a closed position wherein the valve prevents the humid air in the tub from passing to the dehumidifying unit and an open position wherein the valve allows the humid air in the tub to pass to the dehumidifying unit.
The washer of the present invention furthermore comprises a valve that changes to the closed position with the start of the washing and/or rinsing step.
In an embodiment of the present invention, the washer comprises a motor and a control unit that provides the valve to be moved by means of the motor.
In an embodiment of the present invention, the washer comprises the control unit that prevents the delivery of air to the dehumidifying unit with the completion of regeneration and provides the delivery of air to the dehumidifying unit with the start of the dehumidifying step.
In an embodiment of the present invention, the washer comprises at least one heater that provides the desiccant material to be heated and the control unit that prevents air passage to the dehumidifying unit when the heater is in closed position. Thus, in the washing and/or rinsing steps, the moisture in the tub is prevented from passing to the desiccant material and thus the desiccation capacity of the desiccant material is prevented from decreasing as a result of this.
In an embodiment of the present invention, the washer comprises an air channel both ends of which are connected to the tub, a fan that sucks and sends the humid air in the tub towards the dehumidifying unit and a valve that allows the air passage through the air channel to be controlled.
In an embodiment of the present invention, the washer comprises the fan that is operated only during regeneration and/or dehumidifying and a valve that moves with the weight of the air during the air delivery from the air channel.
The desiccant material has reversible feature. Preferably zeolite is used as the desiccant material.
By means of the present invention, a washer is realized having a valve that prevents the humid air formed in the washing and/or rinsing steps from passing to the desiccant material. Thus, the moisture forming in the tub is prevented from passing through the desiccant material and thus from decreasing the desiccant capacity thereof before the dehumidifying step.
A washer realized in order to attain the aim of this invention is illustrated in the attached figures, where :
Figure 1 – is the schematic view of a washer when a valve is in the closed position.
Figure 2 – is the schematic view of a washer when a valve is in the open position.
The elements illustrated in the figures are numbered as follows:
  1. Washer
  2. Outer cabinet
  3. Tub
  4. Air channel
  5. Desiccant material
  6. Heater
  7. Dehumidifying unit
  8. Fan
  9. Valve
  10. Motor
  11. Control unit
The washer (1) comprises
  • an outer cabinet (2),
  • a tub (3) wherein the washing process is performed, situated into the outer cabinet (2) such that a gap remains therebetween,
  • a dehumidifying unit (7) wherein the desiccant material (5) that dehumidifies the air passing therethrough is situated,
  • at least one valve (9) having a closed position (K) wherein the valve (9) prevents the humid air in the tub (3) from passing to the dehumidifying unit (7) and an open position (A) wherein the valve (9) allows the humid air in the tub (3) to pass to the dehumidifying unit (7) (Figure 1).
Furthermore, the valve (9) remains in the closed position (K) in the washing and/or rinsing step (Figure 1).
Of washers (1), the tub (3) interior temperature increases and vapor formation occurs in the tub (3) in the pre-washing and main washing steps in washing machines and in the main washing and hot rinsing steps in dishwashers. In these steps, wherein the amount of moisture increases in the tub (3), the valve (9) changes to the closed position (K) and thus the humid air in the tub (3) is prevented from passing to the dehumidifying unit (7). Thus, the desiccation capacity of the desiccant material (5) is prevented from decreasing before the dehumidifying step.
When the dehumidifying step starts, the valve (9) is opened and the humid air passing from the tub (3) to the air channel (4) is delivered to the dehumidifying unit (7) (Figure 2). The humid air is dehumidified in the desiccant material (5) disposed in the dehumidifying unit (7) and exits the dehumidifying unit (7) to return to the tub (3). The desiccant material (5) emanates heat due to its thermophysical feature while retaining moisture and transfers this heat to the air passing therethrough. As the air passing through the dehumidifying unit (7) heats up, the tub (3) interior temperature increases and thus the water accumulated on the items are provided to be evaporated. The vapor formed passes over the desiccant material (5) in the dehumidifying unit (7) again in the closed cycle and received into the tub (3). After awhile, the humid air in the tub (3) is discharged from the tub (3).
In an embodiment of the present invention, the washer (1) comprises a motor (10) that opens/closes the valve (9) and a control unit (11) that provides the valve (9) to be opened/closed by means of the motor (10). The control unit (11) moves the valve (9) that remains in the closed position (K) in the washing and/or rinsing step by means of the motor (10) and provides the valve (9) to remain in the open position (A) in the dehumidifying step (Figure 2).
In an embodiment of the present invention, the washer (1) comprises the control unit (11) that provides the valve (9) to change to the closed position (K) with the completion of regeneration and to change again to the open position (A) in the dehumidifying step. During regeneration, air is required to be delivered to the dehumidifying unit (7) for preventing the desiccant materials (5) from burning. The valve (9) is opened by means of the control unit (11) and the air in the tub (3) is delivered to the desiccant material (5). When the regeneration step is completed, the valve (9) is changed to the closed position (K) by means of the control unit (11). Thus, the passage of the humid air in the tub (3) is prevented from passing to the desiccant material (5) until the dehumidifying step and thus the desiccation capacity of the desiccant material (5) is prevented from decreasing.
In an embodiment of the present invention, the washer (1) comprises at least one heater (6) that is used for the regeneration of the desiccant material (5) and the control unit (11) that provides the valve (9) to change to the closed position (K) when the heater (6) is turned off. In the washers (1) comprising a dehumidifying unit (7), the heater (6) is operated for regenerating the desiccant materials (5). The desiccant material (5) is provided to be heated by operating the heater (6) and thus the moisture is provided to be removed from the desiccant material (5). The heater (6) is turned off when the desiccant material (5) regains its desiccant characteristic. With the heater (6) being turned off, the control unit (11) detects the completion of the regeneration process. When the heater (6) is turned off, the valve (9) is provided to be closed by means of the control unit (11) and the air passage from the tub (3) to the dehumidifying unit (7) is prevented. Thus, in the washing and/or rinsing steps, the moisture in the tub (3) is prevented from passing to the desiccant material (5) and thus the desiccation capacity of the desiccant material (5) is prevented from decreasing as a result of this.
In an embodiment of the present invention, the washer (1) comprises an air channel (4) both ends of which are connected to the tub (3) such that the dehumidifying unit (7) remains therebetween, a fan (8) disposed on the air channel (4) and that sucks and sends the humid air in the tub (3) towards the dehumidifying unit (7), and the valve (9) disposed on the air channel (4). The valve (9) is in the open position (A) in the regeneration or dehumidifying step and the air sucked by the fan (8) passes to the air channel (4) from the tub (3). The humid air received into the air channel (4) is delivered to the dehumidifying unit (7) by means of the fan (8) (Figure 1, Figure 2).
In an embodiment of the present invention, the washer (1) comprises the fan (8) that is operated only during regeneration and/or dehumidifying and the valve (9) that opens in the direction of gravity with the weight of the air during the delivery of air from the air channel (4) that extends in the vertical direction. In the regeneration and/or dehumidifying step, the air moved by the fan (8) passes to the air channel (4). The valve (9) opens by moving in the same direction with the effect of the humid air coming from the tub (3). The humid air is delivered to the dehumidifying unit (7) by means of the fan (8). The humid air is dehumidified in the desiccant material (5) disposed in the dehumidifying unit (7) and exits the dehumidifying unit (7) to return to the tub (3).
By means of the present invention, a washer (1) is realized having a valve (9) that prevents the humid air forming in the washing and/or rinsing steps from passing to the desiccant material (5). The amount of moisture in the tub (3) increases in the washing and/or rinsing steps. Before the dehumidifying step, the humid air is prevented from passing to the desiccant material (5) that regains its desiccant characteristic after regeneration. Thus, the desiccant material (5) is provided to have a high dehumidifying performance in the dehumidifying step.
It is to be understood that the present invention is not limited to the embodiments disclosed above and a person skilled in the art can easily introduce different embodiments. These should be considered within the scope of the protection postulated by the claims of the present invention.

Claims (6)

  1. A washer (1) comprising
    - an outer cabinet (2),
    - a tub (3) wherein the washing process is performed, situated into the outer cabinet (2) such that a gap remains therebetween,
    - a dehumidifying unit (7) wherein the desiccant material (5) that dehumidifies the air passing therethrough is situated ,
    - at least one valve (9) having a closed position (K) wherein the valve (9) prevents the humid air in the tub (3) from passing to the dehumidifying unit (7) and an open position (A) wherein the valve (9) allows the humid air in the tub (3) to pass to the dehumidifying unit (7),
    characterized by
    - the valve (9) that remains in the closed position (K) in the washing and/or rinsing step.
  2. A washer (1) as in Claim 1, characterized by a motor (10) that opens/closes the valve (9) and a control unit (11) that provides the valve (9) to be opened/closed by means of the motor (10).
  3. A washer (1) as in Claim 2, characterized by the control unit (11) that provides the valve (9) to change to the closed position (K) with the completion of regeneration and to change again to the open position (A) in the dehumidifying step.
  4. A washer (1) as in Claim 2 or 3, characterized by at least one heater (6) that is used for the regeneration of the desiccant material (5) and the control unit (11) that provides the valve (9) to change to the closed position (K) when the heater (6) is turned off.
  5. A washer (1) as in any one of the Claims 1 to 4, characterized by an air channel (4) both ends of which are connected to the tub (3) such that the dehumidifying unit (7) remains therebetween, a fan (8) disposed on the air channel (4) and that sucks and delivers the humid air in the tub (3) towards the dehumidifying unit (7), and the valve (9) disposed on the air channel (4).
  6. A washer (1) as in Claim 5, characterized by the fan (8) that is operated only during regeneration and/or dehumidifying and the valve (9) that opens in the direction of gravity with the weight of the air during the delivery of air from the air channel (4) that extends in the vertical direction.
PCT/EP2012/072530 2011-12-29 2012-11-14 A washer comprising a dehumidifying unit WO2013097975A1 (en)

Applications Claiming Priority (2)

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TRA2011/13227 2011-12-29
TR201113227 2011-12-29

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017202007A1 (en) 2017-02-08 2018-08-09 E.G.O. Elektro-Gerätebau GmbH Apparatus for dehumidifying, electrical appliance with such a device and method for dehumidifying
US20230123693A1 (en) * 2021-10-15 2023-04-20 Whirlpool Corporation Dish drying system with water harvesting hybrid nanomaterial

Citations (7)

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Publication number Priority date Publication date Assignee Title
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WO2002003002A1 (en) * 2000-07-05 2002-01-10 Smart Clean Combination closed-circuit washer and drier
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EP2301409A1 (en) * 2010-11-12 2011-03-30 V-Zug AG Dishwasher with sorption medium and fresh air feed
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