US3739487A - Drying apparatus - Google Patents

Drying apparatus Download PDF

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Publication number
US3739487A
US3739487A US00146666A US3739487DA US3739487A US 3739487 A US3739487 A US 3739487A US 00146666 A US00146666 A US 00146666A US 3739487D A US3739487D A US 3739487DA US 3739487 A US3739487 A US 3739487A
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United States
Prior art keywords
air
evaporator
condenser
chamber
over
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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.)
Expired - Lifetime
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US00146666A
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English (en)
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R Clark
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Individual
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Individual
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Publication date
Priority claimed from GB339171A external-priority patent/GB1363292A/en
Priority claimed from GB339071A external-priority patent/GB1363291A/en
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    • 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 
    • D06F58/206—Heat pump arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F24F3/1405—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification in which the humidity of the air is exclusively affected by contact with the evaporator of a closed-circuit cooling system or heat pump circuit

Definitions

  • ABSTRACT A drying apparatus comprising a cabinet for housing articles to be dried and an air conditioning plant including air cooling means to condense water from water vapor-laden air drawn in from the cabinet by a circulating fan and means to heat the air recycled back into the cabinet, the air cooling means and air heating means being the evaporator and condenser respectively of a refrigeration plant, a metered part of the circulating air only being passed over the evaporator by a second fan and part of the heat produced by the condenser being lost externally to the apparatus.
  • This invention relates to improvements in drying apparatus, particularly for the removal of water from domestic articles such as clothing, and comprises an air conditioning part arranged to work in conjunction with acabinet o'r closet, which may include racks for supporting wet articles.
  • the air conditioning part includes .an air cooling means and an air heating means formed by the evaporator and condenser respectively of a refrigeration machine, the evaporator serving to cool air passing thereover below its dew-point to condense out water, and the condenser serving to warm the air stream to produce effective drying conditions in the recirculated air.
  • the air is continually drawn in from the drying cabinet and passed over the evaporator and condenser by a circulating fan and then passed back into the cabinet.
  • a particular advantage of drying apparatus of this type is the ability to completely dry totally saturated articles in a reasonably short period of time without using mechanical movement which has a damaging effect on certain materials.
  • Another object is to provide a drying apparatus which is capable of water extraction over a widely varying range of external temperatures.
  • the cabinet of the drying apparatus can be constructed so as to yield part of the heat produced ex ternally to the apparatus itself.
  • an auxiliary fan is used to draw off a part only of the circulating air and pass same through the evaporator for cooling.
  • the drying apparatus may be constructed as a module containing the conditioning unit and having an air inlet and outlet arranged for use with a separate cabinet which may form part of a dwelling, that is a cupboard or closet.
  • a drying apparatus having both the features of dividing the condenser to lose heat externally, and provision of an auxiliary fan to provide an exact and metered airflow over the evaporator, has proved in practice to be particularly advantageous and by correct design a closed dehumidification cycle can be obtained which is efficient and which will function over any length of time desired to continually extract water from wet articles.
  • a further advantage is that, as it has now been found that provision must be made for heat loss from the sys tern, the cabinet containing the apparatus need not be insulated, the whole acting as a balancing heatexchanger.
  • FIG. 1 shows a drying apparatus in which the condenser is arranged to give up part of its heat external to the apparatus.
  • FIG. 2 shows an apparatus of modified form in which the condenser gives up heat to water moving through the apparatus.
  • FIG. 3 shows an apparatus incorporating an auxiliary fan for passing a metered quantity of air over the evaporator.
  • FIG. 4 shows a side view of an air conditioning module incorporating a condenser arranged to give up part of its heat externally, and an auxiliary fan for passing a metered quantity of air over the evaporator.
  • FIG. 5 is a view looking in the direction X of FIG. 4.
  • FIG. 6 is a side view of a modified apparatus similar in operation to FIG. 4.
  • FIG. 7 is a plan view of the apparatus of FIG. 6 looking in the direction Y, and
  • FIG. 8 is a comparative graph.
  • FIG. 1 shows a drying apparatus generally of the type described in British Patent No. 1133098 and including a drying chamber 1, including racks or rails 2 to hold articles, such as clothing, to be dried.
  • the air conditioning unit forming part of the apparatus has an air inlet 3 and an air outlet 4, and a fan 5 arranged to circulate air from the inlet through the conditioning unit to the outlet.
  • the air stream at the inlet 2 is divided into two parts; roughly one third passes upwards in the direction A and then down through an air cooling means 6 comprising a finned tube forming the evaporator of a vapor compression refrigeration plant. The remaining two thirds by-passes the evaporator and passes in the direction B to recombine with the cooled air at C.
  • the air passing through the evaporator is cooled below its dew-point and the water condensed therefrom is collected by a drip tray 7 and removed from the apparatus.
  • the recombined air stream C passes over the compressor 8 and receiver 9 of the refrigeration plant and is directed upwardly by the fan and over the coils 10 of the condenser forming part of the refrigerating plant and constituting an air heating means.
  • the warm dry air emerges at the outlet 4 and may be distributed by baffles 11 into the drying chamber 2. It has been found, however, that under practical conditions articles within the chamber 2 serve to adequately distribute the airflow without additional means being provided.
  • means are provided to eject heat external to the apparatus, said means comprising splitting the condenser to form a second part 12 integral with the side wall 13 of the apparatus. This second part of the condenser gives up heat to warm the cabinet and hence the air surrounding same.
  • the apparatus of FIG. 2 embodies a drying chamber 21 defined by a perforated wall member 21a, of which the perforations at the side 21b are of smaller size than those at the side 21c to ensure substantially even air flow into the chamber 21.
  • the air conditioning unit has an inlet 23 which again divides the air into two streams A and B.
  • the stream A passes over the evaporator 26 of a refrigerating plant and condensed water is collected by drip tray 27.
  • the air stream recombines at C and is moved, by the circulating fan 25, over the compressor 28 of the refrig erating plant and then passed over condenser 30 of the refrigeration plant to an inlet zone 24 of the drying chamber.
  • the condenser of the refrigeration plant is divided into two parts, the one part 30 mentioned serving as the air heating means, the coils of the other part 32 being housed within the lower part of the apparatus containing water 31.
  • An inlet 33 and outlet 34 for the water is provided which serves primarily as a medium for removing excess heat from the refrigerating cycle.
  • a secondary feature is the use of the water for externalpurposes such as in topping up heat requirements in feed water used for washing machine installations.
  • the drying chamber 21 includes a rotatable drum 22 for housing articles to be dried.
  • the dividing of the condenser has been found to produce an efficient working cycle which may be operated continuously. Under optimum conditions within the evaporator it has been found that in the heat pump cycle more heat is produced by the condenser than is absorbed by the evaporator, and if all such heat is returned to the circulating air stream then, during operation, the efficiency of the dehumidification cycle falls.
  • the division of the condenser to eject a part of the heat external to the apparatus, either to ambient or some suitable medium, the operating cycle can be stabilized at an optimum point.
  • the external condenser should be sized in order to stabilize the system on the required condensing and evaporating conditions.
  • Ambient temperatures will also have an effect on the heat rejected externally and will affect the drying performance of the apparatus.
  • a high ambient temperature will increase the system temperatures and pressures, and although drying performance may remain satisfactory, mechanical limitations may be exceeded.
  • a low ambient temperature will decrease system temperatures which will decrease system temperatures, which will reduce the drying performance.
  • the external condenser must therefore be designed taking into account the ambient temperature conditions in which the apparatus will be used.
  • a heater may be included to boost the drying performance during the initial warming up period.
  • the heater may also serve to improve the operation when the apparatus us used in ambient conditions which are lower in temperature than that for which the apparatus is designed.
  • the drying apparatus shown in FIG. 3 incorporates an auxiliary fan in accordance with the second aspect of this invention.
  • a drying chamber 40 adapted to contain articles to be dried is contained within a cabinet also housing an air conditioning unit.
  • the said unit has 'an air inlet shown generally as 41 and an air outlet 42, and includes a fan 43 for circulating air from the inlet to the outlet.
  • Air at the inlet 41 is divided to produce a stream A which passes upwards and is drawn through an auxiliary fan 44 and then directed downwards to flow through an air cooling means 45, formed by the evaporator of a refrigeration plant 52. Water condensed out of the air by the evaporator is collected at 46.
  • the air stream A then combines with a stream B, which bypasses the evaporator, in the zone C.
  • the fan 43 directs the air stream over an optional electric heater 47 and upwards over the coils 48 of the condenser of the refrigeration plant, and into the drying chamber via the outlet 42.
  • the conditioned air passes into the chamber 40 via a perforated ceiling 49 to be drawn downwards to the inlet 41, through the articles to be dried.
  • a desiccant bed 50 may be provided.
  • Air already existant in the chamber 40 is drawn through inlet stream B through the desiccant bed 50, continuing in an upward direction over the condenser coil 48 into chamber 40. Because of the designed suction pressure in the chamber percent of the air is continually recirculated direct from chamber 40 through the condenser 48. However, due to density differential, 10 percent of the moist air travels in direction A via the fan orifice and in a downward direction across the evaporator 45 and into the zone C. Air passing through the clothes in chamber 40 picks up moisture, some of which is immediately absorbed by the desiccant bed 50. The air is then further warmed by the condenser 48, completing the cycle.
  • the auxiliary fan In contrast to passively splitting the air-flow, the auxiliary fan allows a precise and metered quantity of air to be passed to the evaporator, regardless of the load conditions on the main fan 43 created by resistance to air-flow through the chamber 40.
  • the drying apparatus shown in FIGS. 4 and 5 cmbodies both the features of the divided condenser and the auxiliary fan to produce an apparatus of particular utility for domestic purposes.
  • the apparatus broadly comprises an air conditioning modular part 60 used in conjunction with a drying chamber 61 for housing articles to be dried.
  • the chamber 61 can be formed by a cupboard or closet of an existing dwelling or may form, together with the unit 60, an integral apparatus.
  • the conditioning unit embodies a centrifugal drum fan 62 which draws air in from the chamber 61 through an inlet 63, and passes the air out back into the chamber through an outlet 64.
  • the lower part of the unit houses the compressor 65 of a vapor compression refrigeration system, the condenser of which system is divided into two parts, the one 66 being positioned near the outlet 64 and serving as the air heating means, the other part 67 being located in a recess 68 on the side of the unit.
  • the recess forms a cavity through which air may flow by convection over the part of the condenser 67, the assembly forming a means by which surplus heat may be ejected externally to the apparatus.
  • the air cooling means comprises an evaporator 69 and an auxiliary fan 70 contained within a housing in the unit.
  • the fan 70 serves to draw off at B a metered amount of air from the circulating stream A and pass same over the evaporator where water vapor is condensed and extracted atan outlet 71.
  • the air passes back into the main stream A at C, and the combined streams are passed over the condenser 66, serving as the heating means, and back into the chamber 61.
  • FIG. 8 illustrates at (a) typical water extraction against time for the apparatus of FIGS. 4 and 5, whereas at (b) the extraction is shown for a system without the divided condenser and auxiliary fan.
  • curve (b) due to conditions within the refrigeration cycle being unstabilized, the compressor will cut out after a period of operation, due to stalling, and will remain cut-off until conditions return to normal. The actual cut-off point will depend on the protector used in the compressor, but will result in a discontinuous operation as illustrated.
  • the curve of (c) shows the typical performance of an apparatus without provision of a metered quantity of air across the evaporator, i.e. no auxiliary fan. In this case the operation is continuous but water extraction rates are much lower, representing less efficient operation.
  • FIGS. 6 and 7 show an apparatus similar to that of FIGS. 4 and 5 and the same references are used to indicate parts of like function.
  • the air inlet to the conditioning unit comprises two streams A and A.
  • the stream A passes direct to the inlet of the main fan 62, whilst the stream A is drawn in over the evaporator 69 by a smaller auxiliary fan and passed to the inlet of the main fan constituting the mixing zone C for the two air streams.
  • the air continues through a space containing the compressor 65 and is warmed by passage over the condenser 66 and passed to the outlet 64.
  • the auxiliary fan 70 again provides for the passage of a precise and metered quantity of air over the evaporator 69 and performs an additional function of cooling the bearings of the main fan 62.
  • the condenser is divided into two parts, the one 66 serving as the air heating means and the other 67 forming a convector heater located on the outer wall of the apparatus for dissipating heat externally of the apparatus.
  • the loss of heat from the condenser part 67 may be by natural convection or assisted by forced draught.
  • the rate of dehumidification that can be obtained from such a system is dependent. on a number of parameters, including type and characteristics of the compressor, type of refrigerant, condensing and evaporating temperatures, air flow rate and temperature and humidity, and as heat is lost externally to the cycle, the ambient temperature.
  • the flow rate, temperature and humidity of the air affect the mass transfer rate of moisture from the surface of items being dried and are directly connected with the drying rate that can be achieved.
  • the invention enables these requirements to be realized in practice and provides a drying apparatus with a stabilized cycle and efficient operation.
  • An improvement in a drying apparatus including a chamber to contain articles to be dried and an air conditioning unit having air displacing means for drawing air. in from said chamber and passing same over the evaporator of a refrigerating plant, and then over the condenser of said refrigerating plant, and back into said chamber, wherein the improvement comprises in combination provision of means whereby part of the heat produced by said condenser is ejected externally of said apparatus and a bypass means whereby a part only of the air is passed over the evaporator.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Drying Of Solid Materials (AREA)
US00146666A 1971-01-28 1971-05-25 Drying apparatus Expired - Lifetime US3739487A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB339171A GB1363292A (en) 1971-01-28 1971-01-28 Drying apparatus
GB339071A GB1363291A (en) 1971-01-28 1971-01-28 Drying apparatus

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US3739487A true US3739487A (en) 1973-06-19

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US00146666A Expired - Lifetime US3739487A (en) 1971-01-28 1971-05-25 Drying apparatus

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US (1) US3739487A (de)
DE (1) DE2161649A1 (de)
FR (1) FR2107504A5 (de)
IT (1) IT940150B (de)
NL (1) NL7113251A (de)

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3854224A (en) * 1972-06-16 1974-12-17 Canon Kk Device for heating and drying copy mediums
US3877516A (en) * 1972-03-10 1975-04-15 Guido Zucchini Condenser for streams of gas, in particular streams of gas exiting from the wash tank of plants for dry cleaning
US4471537A (en) * 1982-01-18 1984-09-18 Indesit Industria Elettrodomestici Italiana S.P.A. Dryer apparatus having an improved air circulation
US4603489A (en) * 1984-10-05 1986-08-05 Michael Goldberg Heat pump closed loop drying
US5152077A (en) * 1991-08-16 1992-10-06 Liang Chao Jung Cloth drying machine
US5279047A (en) * 1989-02-03 1994-01-18 Zanker Gmbh Laundry dryer
US5369892A (en) * 1993-06-04 1994-12-06 Dhaemers; Gregory L. Armoire
US5911486A (en) * 1997-02-26 1999-06-15 Conceptronic, Inc. Combination product cooling and flux management apparatus
US20040255394A1 (en) * 2003-06-18 2004-12-23 Vanita Mani Spin cycle methodology and article drying apparatus
US20050071929A1 (en) * 2003-10-01 2005-04-07 Vanita Mani Integral laundry cleaning and drying system and method
US20050198874A1 (en) * 2002-06-05 2005-09-15 Johnson Controls Gmbh Method for the treatment of covering materials for interior fitting pieces in particular for vehicle interiors and interior fitting pieces
US20070006601A1 (en) * 2005-07-06 2007-01-11 General Electric Company System and method for controlling air temperature in an appliance
WO2007065768A1 (de) * 2005-12-06 2007-06-14 BSH Bosch und Siemens Hausgeräte GmbH Vorrichtung und verfahren zum beaufschlagen von waschgut mit einem luftstrom
US20070266585A1 (en) * 2005-04-16 2007-11-22 Michael Arno Portable Disposable Air/Gas Dryer
US20090119848A1 (en) * 2007-06-13 2009-05-14 Kim Joo Yeon Clothes treating machine and method for controlling the same
US20090126218A1 (en) * 2005-05-23 2009-05-21 Bsh Bosch Und Seimens Hausgeraete Gmbh Condensation washer-dryer
US20090293301A1 (en) * 2006-06-06 2009-12-03 BSH Bosch und Siemens Hausgeräte GmbH Device and Method for Drying Laundry
US20100212334A1 (en) * 2005-11-16 2010-08-26 Technologies Holdings Corp. Enhanced Performance Dehumidification Apparatus, System and Method
US20100275630A1 (en) * 2005-11-16 2010-11-04 Technologies Holdings Corp. Defrost Bypass Dehumidifier
US20110271547A1 (en) * 2010-05-10 2011-11-10 Whirlpool Corporation Closed cycle dryer and process for drying clothes using such dryer
US20120030960A1 (en) * 2010-08-09 2012-02-09 Byeongjo Ryoo Clothes dryer
EP2466000A1 (de) * 2010-12-14 2012-06-20 Samsung Electronics Co., Ltd. Wärmepumpen-Wäschetrockner mit Sekundärblasmechanismus
US20130040550A1 (en) * 2010-04-29 2013-02-14 Dryvent Solutions Of Scandinavia Ab System and method for ventilating a defined space
EP2586907A1 (de) * 2011-10-31 2013-05-01 Electrolux Home Products Corporation N.V. Wäschetrockner mit Wärmepumpensystem und Luftumwälzung
US20130125411A1 (en) * 2010-05-24 2013-05-23 Electrolux Home Products Corporation N.V. Absorption drying device for a dishwasher and associated method
US8695228B2 (en) * 2004-11-30 2014-04-15 Lg Electronics Inc. Composite washing system
US20140109428A1 (en) * 2012-10-22 2014-04-24 Seonghwan Kim Dryer
US20150059201A1 (en) * 2013-08-28 2015-03-05 Zain Abedien Naboulsi, Jr. System to reduce moisture within a clothes dryer
EP3031974A1 (de) * 2014-12-08 2016-06-15 LG Electronics Inc. Kondensations-wäschetrockner mit wärmepumpenkreislauf und verfahren zur steuerung eines kondensations-wäschetrockners mit wärmepumpenkreislauf
US9492057B2 (en) 2010-05-24 2016-11-15 Electrolux Home Products Corporation N.V. Device and method for a dishwasher
US9803313B2 (en) 2014-12-29 2017-10-31 Lg Electronics Inc. Clothes treating apparatus
US20210290000A1 (en) * 2020-03-19 2021-09-23 Lg Electronics Inc. Drying apparatus and related methods

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2419472A1 (fr) * 1978-03-08 1979-10-05 Ciat Sa Perfectionnemens a la climatisation des piscines et locaux analogues
FR2448850A1 (fr) * 1979-02-19 1980-09-12 Brochier Yves Sechoir a fromages
FR2460363A1 (fr) * 1979-07-03 1981-01-23 Frimair Sa Procede pour extraire un solvant impregnant des tissus et dispositif pour sa mise en oeuvre
DE2936769C2 (de) * 1979-09-12 1982-12-02 Hans F. 7120 Bietigheim-Bissingen Arendt Trocknungsmaschine
FR2467009A1 (fr) * 1979-10-10 1981-04-17 Amaten Procede et machine de traitement en milieu solvant
GB2094961B (en) * 1981-02-13 1984-09-26 Perlino Antonio Drying apparatus
IT1154032B (it) * 1981-03-09 1987-01-21 Carlo Meda Essiccatore particolarmente asciuga biancheria dotato di un circuito frigorifero fungente da pompa di calore

Citations (5)

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US2314101A (en) * 1937-12-10 1943-03-16 Phipps Charles Albert Hair drying apparatus
US2570808A (en) * 1947-12-12 1951-10-09 William H Hermes Low-temperature drying apparatus
US2627699A (en) * 1950-05-05 1953-02-10 John B Schuettenhelm Musical doll
US2643523A (en) * 1950-06-22 1953-06-30 Drying Systems Inc Bread cooling and conditioning system
US3270530A (en) * 1963-07-31 1966-09-06 Mc Graw Edison Co Dry cleaning machine

Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
US2314101A (en) * 1937-12-10 1943-03-16 Phipps Charles Albert Hair drying apparatus
US2570808A (en) * 1947-12-12 1951-10-09 William H Hermes Low-temperature drying apparatus
US2627699A (en) * 1950-05-05 1953-02-10 John B Schuettenhelm Musical doll
US2643523A (en) * 1950-06-22 1953-06-30 Drying Systems Inc Bread cooling and conditioning system
US3270530A (en) * 1963-07-31 1966-09-06 Mc Graw Edison Co Dry cleaning machine

Cited By (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3877516A (en) * 1972-03-10 1975-04-15 Guido Zucchini Condenser for streams of gas, in particular streams of gas exiting from the wash tank of plants for dry cleaning
US3854224A (en) * 1972-06-16 1974-12-17 Canon Kk Device for heating and drying copy mediums
US4471537A (en) * 1982-01-18 1984-09-18 Indesit Industria Elettrodomestici Italiana S.P.A. Dryer apparatus having an improved air circulation
US4603489A (en) * 1984-10-05 1986-08-05 Michael Goldberg Heat pump closed loop drying
US5279047A (en) * 1989-02-03 1994-01-18 Zanker Gmbh Laundry dryer
US5152077A (en) * 1991-08-16 1992-10-06 Liang Chao Jung Cloth drying machine
US5369892A (en) * 1993-06-04 1994-12-06 Dhaemers; Gregory L. Armoire
US5546678A (en) * 1993-06-04 1996-08-20 Dhaemers; Gregory L. Armoire adaptable to a sauna, drum dryer, and tubular lighted clothing dryer with humidity damper control of exhaust gases
US5911486A (en) * 1997-02-26 1999-06-15 Conceptronic, Inc. Combination product cooling and flux management apparatus
US7870685B2 (en) * 2002-06-05 2011-01-18 Johnson Controls Gmbh Method for the treatment of covering materials for interior fitting pieces in particular for vehicle interiors and interior fitting pieces
US20050198874A1 (en) * 2002-06-05 2005-09-15 Johnson Controls Gmbh Method for the treatment of covering materials for interior fitting pieces in particular for vehicle interiors and interior fitting pieces
US20040255394A1 (en) * 2003-06-18 2004-12-23 Vanita Mani Spin cycle methodology and article drying apparatus
US7926311B2 (en) 2003-10-01 2011-04-19 General Electric Company Integral laundry cleaning and drying system and method
US20050071929A1 (en) * 2003-10-01 2005-04-07 Vanita Mani Integral laundry cleaning and drying system and method
US8695228B2 (en) * 2004-11-30 2014-04-15 Lg Electronics Inc. Composite washing system
US20070266585A1 (en) * 2005-04-16 2007-11-22 Michael Arno Portable Disposable Air/Gas Dryer
US20090126218A1 (en) * 2005-05-23 2009-05-21 Bsh Bosch Und Seimens Hausgeraete Gmbh Condensation washer-dryer
US7984568B2 (en) * 2005-05-23 2011-07-26 Bsh Bosch Und Siemens Hausgeraete Gmbh Condensation type laundry dryer
US20070006601A1 (en) * 2005-07-06 2007-01-11 General Electric Company System and method for controlling air temperature in an appliance
US20100212334A1 (en) * 2005-11-16 2010-08-26 Technologies Holdings Corp. Enhanced Performance Dehumidification Apparatus, System and Method
US20100275630A1 (en) * 2005-11-16 2010-11-04 Technologies Holdings Corp. Defrost Bypass Dehumidifier
US8347640B2 (en) 2005-11-16 2013-01-08 Technologies Holdings Corp. Enhanced performance dehumidification apparatus, system and method
US8769969B2 (en) 2005-11-16 2014-07-08 Technologies Holdings Corp. Defrost bypass dehumidifier
US8316660B2 (en) 2005-11-16 2012-11-27 Technologies Holdings Corp. Defrost bypass dehumidifier
US20090044576A1 (en) * 2005-12-06 2009-02-19 BSH Bosch und Siemens Hausgeräte GmbH Apparatus and Method for Loading Items to Be Washed With an Air Flow
WO2007065768A1 (de) * 2005-12-06 2007-06-14 BSH Bosch und Siemens Hausgeräte GmbH Vorrichtung und verfahren zum beaufschlagen von waschgut mit einem luftstrom
US8356496B2 (en) 2005-12-06 2013-01-22 Bsh Bosch Und Siemens Hausgeraete Gmbh Apparatus and method for loading items to be washed with an air flow
US20090293301A1 (en) * 2006-06-06 2009-12-03 BSH Bosch und Siemens Hausgeräte GmbH Device and Method for Drying Laundry
US20090119848A1 (en) * 2007-06-13 2009-05-14 Kim Joo Yeon Clothes treating machine and method for controlling the same
US20130040550A1 (en) * 2010-04-29 2013-02-14 Dryvent Solutions Of Scandinavia Ab System and method for ventilating a defined space
US8793899B2 (en) * 2010-05-10 2014-08-05 Whirlpool Corporation Closed cycle dryer and process for drying clothes using such dryer
US20110271547A1 (en) * 2010-05-10 2011-11-10 Whirlpool Corporation Closed cycle dryer and process for drying clothes using such dryer
US9080812B2 (en) * 2010-05-24 2015-07-14 Electrolux Home Products Corporation N.V. Absorption drying device for a dishwasher and associated method
US9492057B2 (en) 2010-05-24 2016-11-15 Electrolux Home Products Corporation N.V. Device and method for a dishwasher
US20130125411A1 (en) * 2010-05-24 2013-05-23 Electrolux Home Products Corporation N.V. Absorption drying device for a dishwasher and associated method
US20120030960A1 (en) * 2010-08-09 2012-02-09 Byeongjo Ryoo Clothes dryer
US9238886B2 (en) * 2010-08-09 2016-01-19 Lg Electronics Inc. Clothes dryer
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FR2107504A5 (de) 1972-05-05
NL7113251A (de) 1972-08-01
IT940150B (it) 1973-02-10
DE2161649A1 (de) 1972-08-17

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