EP2123823B1 - Séchoir à linge pour usage domestique - Google Patents

Séchoir à linge pour usage domestique Download PDF

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Publication number
EP2123823B1
EP2123823B1 EP08156769A EP08156769A EP2123823B1 EP 2123823 B1 EP2123823 B1 EP 2123823B1 EP 08156769 A EP08156769 A EP 08156769A EP 08156769 A EP08156769 A EP 08156769A EP 2123823 B1 EP2123823 B1 EP 2123823B1
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EP
European Patent Office
Prior art keywords
air
airflow
laundry
drying container
casing
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.)
Not-in-force
Application number
EP08156769A
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German (de)
English (en)
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EP2123823A1 (fr
Inventor
Luciano Sartor
Sergio Pillot
Marco Costantin
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Electrolux Home Products Corp NV
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Electrolux Home Products Corp NV
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 Electrolux Home Products Corp NV filed Critical Electrolux Home Products Corp NV
Priority to EP08156769A priority Critical patent/EP2123823B1/fr
Priority to ES08156769T priority patent/ES2370918T3/es
Priority to PL08156769T priority patent/PL2123823T3/pl
Priority to AT08156769T priority patent/ATE517207T1/de
Publication of EP2123823A1 publication Critical patent/EP2123823A1/fr
Application granted granted Critical
Publication of EP2123823B1 publication Critical patent/EP2123823B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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 
    • D06F58/24—Condensing 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
    • D06F58/20—General details of domestic laundry dryers 

Definitions

  • the present invention relates to a home laundry drier.
  • the present invention relates to a rotary-drum home laundry drier, to which the following description refers purely by way of example.
  • rotary-drum laundry driers usually comprise a substantially parallelepiped-shaped outer casing; a cylindrical bell-shaped drum for housing the laundry to be dried, and which is housed in axially rotating manner inside the casing to rotate about a horizontal longitudinal axis, directly facing a laundry loading and unloading opening formed in the front face of the casing; a door hinged to the front face of the casing to rotate to and from a rest position closing the opening in the front face of the casing to seal the casing and the revolving drum; and an electric motor assembly for rotating the drum about its longitudinal axis inside the casing.
  • Rotary-drum laundry driers of the above type also comprise a closed-circuit, hot-air generator designed to circulate inside the revolving drum a stream of hot air with a low moisture content, and which flows through the revolving drum and over the laundry inside the drum to rapidly dry the laundry.
  • the closed-circuit, hot-air generator comprises an air recirculating conduit having its two ends connected to the revolving drum, on opposite sides of the latter; an electric circulating fan or similar located along the recirculating conduit for producing, inside the recirculating conduit, an airflow which flows through the revolving drum; an air/air heat exchanger located along the recirculating conduit and designed for rapidly cooling the airflow from the revolving drum to condense the surplus moisture in the airflow; and finally an electric heater located along the recirculating conduit, downstream of the air/air heat exchanger, for rapidly heating the airflow from the heat exchanger back to the revolving drum, so that the air flowing directed into the drum is heated rapidly to a temperature higher than or equal to that of the same air flowing out of the revolving drum.
  • hot-air generator of the above type finally comprises an electric cooling fan which is located into the dryer casing, next to the air/air heat exchanger, for generating, on command, an airflow of external cold air which flows through the air/air heat exchanger to maximize efficiency of the air/air heat exchanger.
  • US 5 146 693 discloses a steam condensation device provided in a dryer or combination washer/dryer for condensing hot water vapor carried by hot air used to dry laundry in the dryer or combination washer/dryer.
  • the steam condensation device includes a vertically extending tubular casing, at least one condenser conduit extending vertically within and spaced from the casing so as to define an annular space therebetween, and a spiral wall disposed between respective internal and external surfaces of the at least one condenser conduit and the casing.
  • the spiral wall extends spirally toward the lower end of the at least one condenser conduit so as to define a spiral conveying path alongside the external surface of the at least one condenser conduit.
  • the condensation device is arranged so that hot air circulating through the interior of the rotating basket containing laundry in the machine passes through the interior of the at least one condensor conduit.
  • Cold water is supplied onto the spiral wall whereas it is conveyed spirally alongside the external surface of the at least one condenser conduit so as to cool the same.
  • water vapor contained in the hot air passing through the interior of the at least one condenser conduit is cooled and consequently condensed.
  • US 4179821 discloses a vent arrangement for dishwashers for venting the hot humid air displaced from the interior of the dishwasher during drying cycles which minimizes the formation of condensate on the exterior surfaces in and about the vent exit opening.
  • the vent exit opening is located in the uppermost region of the dishwasher door and of relatively large area to allow efficient convection drying action, while a plurality of vent exit opening ribs are disposed vertically within the vent exit opening, the vent exit ribs have a particular cross-sectional shape such as to minimize the formation of condensate.
  • the cross-sectional shape includes flange portions laterally extending from a body portion along the frontal edge of each of the vent exit ribs, creating a T-shape to produce an air flow effect minimizing the contact of the vented air with the surface of the ribs and also acting to reduce the thermal mass of the ribs to further minimize condensation.
  • the ribs are formed integrally with a molded plastic vent duct housing, the duct housing also having an upper interior surface and deflector lip configured to direct air flow downwardly as it exits through the opening to reduce condensation on the upper edge.
  • a catch lip extends across the inner edge of the vent duct adjacent the vent exit opening to capture condensate formed on the duct upper surface.
  • the vent exit rib flange shape and vertical disposition recessed within the vent exit opening guide any slight condensate which does form back into the interior of the dishwasher.
  • a home laundry dryer as claimed in Claim 1 and preferably, though not necessarily, in any one of the Claims depending directly or indirectly on Claim 1.
  • number 1 indicates as a whole a home laundry drier comprising a preferably, though not necessarily, parallelepiped-shaped outer box casing 2; a preferably, though not necessarily, cylindrical bell-shaped drum 3 for housing the laundry to be dried, and which is fixed in axially rotating manner inside casing 2, directly facing a laundry loading and unloading opening 2a formed in the front face of casing 2; and a door 4 hinged to the front face of casing 2 to rotate to and from a rest position closing opening 2a in the front face to seal revolving drum 3.
  • revolving drum 3 rests horizontally inside casing 2 on a number of horizontal supporting rollers 5 which are fitted to casing 2 to let revolving drum 3 freely rotate about its longitudinal axis L.
  • Laundry drier 1 also comprises an electric motor assembly 6 for rotating, on command, revolving drum 3 about its longitudinal axis L inside casing 2; and a closed-circuit, hot-air generator 7 housed inside casing 2 and designed to circulate through revolving drum 3 a stream of hot air having a low moisture level, and which flows over and rapidly dries the laundry inside drum 3.
  • Casing 2 revolving drum 3, door 4, supporting rollers 5, and electric motor assembly 6 are commonly known parts in the industry, and therefore not described in detail.
  • hot-air generator 7 provides for gradually drawing air from revolving drum 3; extracting surplus moisture from the hot air drawn from revolving drum 3; heating the dehumidified air to a predetermined temperature, normally higher than the temperature of the air from revolving drum 3; and feeding the heated, dehumidified air back into revolving drum 3, where it flows over, to rapidly dry, the laundry inside the drum.
  • hot-air generator 7 provides for continually dehumidifying and heating the air circulating inside revolving drum 3 to rapidly dry the laundry inside the drum, and substantially comprises:
  • the intake end of recirculating conduit 8 is integrated in door 4, and is faced to the front opening of revolving drum 3; the end wall 3a of revolving drum 3 is perforated, or at any rate permeable to air, to permit air entry into drum 3; and the exhaust end of recirculating conduit 8 is coupled in airtight manner directly to the end wall 3a of revolving drum 3.
  • Electric centrifugal fan 9 is structured to produce an airflow f flowing along recirculating conduit 8, from the intake end of recirculating conduit 8, i.e. door 4, to the exhaust end of recirculating conduit 8, i.e. the perforated end wall 3a of revolving drum 3.
  • heat exchanger 10 is preferably, though not necessarily, located at the bottom of casing 2, and it is also provided with a condensed-water canister 10a which collects the liquid distilled water produced, when the drier is running, inside heat exchanger 10 by condensation of the surplus moisture in airflow f arriving from revolving drum 3. Obviously condensed-water canister 10a is located in the bottom of heat exchanger 10.
  • hot-air generator 7 is also provided with a second air/air heat exchanger 13 which is located along recirculating conduit 8, between the intake end of recirculating conduit 8 (i.e. door 4) and heat exchanger 10, preferably, though not necessarily, downstream of electric centrifugal fan 9, and which is designed so that the airflow f from revolving drum 3 and a natural chimneypot-effect generated ascensional convective current g of cold air from outside casing 2 flow through it simultaneously, so that the cold air ascensional convective current g cools the airflow f from revolving drum 3 to condense the surplus moisture inside airflow f.
  • a second air/air heat exchanger 13 which is located along recirculating conduit 8, between the intake end of recirculating conduit 8 (i.e. door 4) and heat exchanger 10, preferably, though not necessarily, downstream of electric centrifugal fan 9, and which is designed so that the airflow f from revolving drum 3 and a natural chimneypot-effect generated ascens
  • heat exchanger 13 comprises at least two vertically-oriented air ducts 14 and 15 which are housed inside casing 2 one close to the other, so as to share at least part of a partitioning wall made of heat-conductive material.
  • Vertically-oriented air duct 14 is inserted along recirculating conduit 8 so that the hot airflow f from revolving drum 3 can release heat to the partitioning wall that separates air ducts 14 and 15 one from the other; whereas vertically-oriented air duct 15 has its upper and lower ends in direct communication with the outside so as to allow the cold air from outside casing 2 to establish, through duct 15, a natural ascensional convective current g that cools the partitioning wall separating air ducts 14 and 15.
  • the hot airflow f from revolving drum 3 keeps the partitioning wall separating air ducts 14 and 15 at a temperature greater than that of the cold air from outside casing 2, so that the cold air from outside casing 2, after entering into air duct 15 from the lower end of duct 15, starts heating up while flowing on the partitioning wall.
  • the cold air from outside casing 2 starts expanding inside air duct 15 and is then driven upwards along air duct 15 by chimneypot-effect.
  • the vertically-oriented air duct 15 is integrated in one of the vertical walls of casing 2, whereas air duct 14 consists of a substantially flat boxlike element 14 which lies on this vertical wall of casing 2 for maximizing heat exchange.
  • one of the vertical walls of casing 2 consists of a substantially flat, rectangular-shaped panel 16 made of a heat-conductive material (such as a metal material), and which is provided with an internal airspace extending vertically within the panel body.
  • Said airspace defines duct 15 and communicates directly with the outside of casing 2 via two openings 15a e 15b located one next to the upper edge of panel 16 (i.e. next to the worktop of drier casing 2), and the other next to the lower edge of panel 16 (i.e. next to the bottom of drier casing 2).
  • Air duct 14 in turn, consists of an elongated rectangular cross-section tubular element made of a heat-conductive material, which is fixed on the inner face of panel 16, in a substantially vertical position, with one of its main lateral walls in direct contact with the inner face of panel 16, just upon airspace 15; and of two substantially funnel-shaped manifolds fitted on both ends of the tubular element for connecting, in airtight manner, said tubular element to two consecutive sections of recirculating conduit 8.
  • the manifold closing the lower end of the vertically-oriented tubular element lying on the inner face of panel 16 is also shaped so as to collect and drain to condensed-water canister 10a the liquid distilled water produced, when the drier is running, inside the vertically-oriented tubular element (i.e. inside air duct 14) by condensation of the surplus moisture in airflow f arriving from revolving drum 3.
  • the vertically-oriented tubular element forming air duct 14 may be in one peace with panel 16, and/or only the portion of panel 16 separating air duct 14 from air duct 15 may be made of a heat-conductive material.
  • heat exchanger 13 has lots of advantages: first and foremost, it allows a remarkable downsizing of the main air/air heat exchanger 10 and of electric cooling fan 11.
  • hot-air generator 7 lacks heat exchanger 10 and electric cooling fan 11, and may preferably, though not necessarily, comprise an auxiliary electric circulating fan or other type of air circulating pump, which is housed into air duct 15 for generating, on command and when the natural ascensional convective current g along air duct 15 does not suffices in sufficiently cooling the airflow f from revolving drum 3, an additional force-circulated airflow along air duct 15 for better cooling the partitioning wall separating air ducts 14 and 15, and so the airflow f arriving from revolving drum 3.
  • auxiliary electric circulating fan or other type of air circulating pump which is housed into air duct 15 for generating, on command and when the natural ascensional convective current g along air duct 15 does not suffices in sufficiently cooling the airflow f from revolving drum 3, an additional force-circulated airflow along air duct 15 for better cooling the partitioning wall separating air ducts 14 and 15, and so the airflow f arriving from re
  • heat exchanger 13 has its own condensed-water canister for collecting the liquid distilled water produced, when the drier is running, inside air duct 14 by condensation of the surplus moisture in airflow f arriving from revolving drum 3.
  • the condensed-water canister is located on the bottom of casing 2, just beneath the manifold closing the lower end of the vertically-oriented tubular element forming the main section of air duct 14.
  • the closed-circuit, hot-air generator 7 is replaced by an open-circuit, hot-air generator 17 which provides for drawing cold air from the outside of casing 2; heating the external cold air to a predetermined temperature, normally higher than the temperature of the air in revolving drum 3; feeding the heated external air into revolving drum 3, where it flows over, to rapidly dry, the laundry inside the drum; and finally drawing the moist warm air out of revolving drum 3 back to the outside of casing 2.
  • the open-circuit, hot-air generator 17 differs from the closed-circuit, hot-air generator 7 in that the air/air heat exchanger 10 is missing, and that air recirculating conduit 8 is replaced by two air circulating conduits 8a and 8b each connecting revolving drum 3 with the outside of casing 2.
  • the intake end of air circulating conduit 8a communicates with the outside of casing 2, preferably, though not necessarily, on the rear wall of casing 2, whereas the exhaust end of air circulating conduit 8a is coupled in airtight manner directly to the end wall 3a of revolving drum 3.
  • the intake end of air circulating conduit 8b is integrated in door 4, and is faced to the front opening of revolving drum 3, whereas the exhaust end of air circulating conduit 8b communicates with the outside of casing 2.
  • electric centrifugal fan 9 is located along air circulating conduit 8a and/or 8b to produce an airflow f which flows, in closes succession, through air circulating conduit 8a, through revolving drum 3 and over the laundry inside drum 3, and finally through air circulating conduit 8ab back to the outside; whereas electric heater 12 (in the example shown, a resistor) is located along air circulating conduit 8a for rapidly heating the airflow f arriving from the outside and directed towards the revolving drum 3, so that the air entering into revolving drum 3 is heated rapidly to a temperature preferably, though not necessarily, higher than or equal to that of the same air flowing out of revolving drum 3.
  • electric heater 12 in the example shown, a resistor
  • heat exchanger 13 is placed along air circulating conduit 8b so that the airflow f from revolving drum 3 is cooled by the natural chimneypot-effect generated ascensional convective current g of cold air from outside casing 2 to condense part of the surplus moisture inside airflow f from revolving drum 3.
  • condensed-water canister 13a is preferably, though not necessarily, located on the bottom of casing 2, just beneath the manifold closing the lower end of the vertically-oriented tubular element forming the main section of air duct 14, whereas pressurized-steam generator 18 comprises an instant in-pressure electric boiler 19 designed to receive a given quantity of water and immediately convert it into a stream of high-pressure steam whose pressure is slightly higher than external pressure; a steam injection nozzle 20 located inside casing 2, in the collar connecting the front opening of revolving drum 3 to opening 2a in the front face of casing 2, and structured for projecting jets of high-pressure steam directly inside drying drum 3; and a steam exhaust pipe 21 connecting the outlet of boiler 19 to the steam injection nozzle 20 for feeding the high-pressure steam produced by boiler 19 directly to nozzle 20.
  • hot-air generator 17 may optionally comprise an auxiliary electric circulating fan 25 or other type of air circulating pump, which is housed into air duct 15 for generating, on command and when the natural ascensional convective current g along air duct 15 does not suffices in sufficiently cooling the airflow f from revolving drum 3, an additional force-circulated airflow along air duct 15 for better cooling the partitioning wall separating air ducts 14 and 15, and so the airflow f arriving from revolving drum 3.
  • auxiliary electric circulating fan 25 or other type of air circulating pump

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Drying Of Solid Materials (AREA)
  • Centrifugal Separators (AREA)

Claims (14)

  1. Sèche-linge domestique (1) comprenant une enveloppe extérieure (2) et, à l'intérieur de l'enveloppe, un récipient de séchage de linge (3) destiné à contenir le linge devant être séché, et un générateur d'air chaud (7, 17) destiné à faire circuler un courant d'air chaud à l'intérieur du récipient de séchage de linge (3) ; ledit générateur d'air chaud (7, 17) comprenant un premier conduit de circulation d'air (8, 8b) à travers lequel un écoulement d'air (f) d'air humide chaud est canalisé hors dudit récipient de séchage de linge (3), et au moins un premier échangeur de chaleur air/air (10, 13) positionné le long dudit premier conduit de circulation d'air (8, 8b) pour refroidir l'écoulement d'air (f) à partir du récipient de séchage de linge (3) et condenser le surplus d'humidité dans ledit écoulement d'air (f) ; ledit sèche-linge domestique (1) étant caractérisé en ce que ledit premier échangeur de chaleur air/air (13) comprend au moins des première (14) et seconde (15) conduites d'air logées à l'intérieur de l'enveloppe (2) l'une proche de l'autre, afin de partager au moins une partie d'une paroi de séparation ; la première conduite d'air (14) étant insérée le long dudit premier conduit de circulation d'air (8, 8b) ; la seconde conduite d'air (15) étant orientée de façon sensiblement verticale, et ayant ses extrémités supérieure et inférieure (15a, 15b) en communication directe avec l'extérieur afin de permettre à l'air froid à partir de l'extérieur de l'enveloppe (2) d'établir, par l'intermédiaire de la seconde conduite d'air (15), par effet de souche de cheminée, un courant de convection ascendant naturel (g) d'air froid à partir de l'extérieur de l'enveloppe (2) et qui s'écoule à travers le premier échangeur de chaleur air/air (13) conjointement avec l'écoulement d'air (f) à partir du récipient de séchage de linge (3), pour que le courant de convection ascendant d'air froid (g) refroidisse la paroi de séparation séparant lesdites première (14) et seconde (15) conduites d'air l'une de l'autre et refroidisse l'écoulement d'air (f) à partir dudit récipient de séchage de linge (3) pour condenser au moins une partie du surplus d'humidité à l'intérieur dudit écoulement d'air chaud (f).
  2. Sèche-linge domestique selon la revendication 1, dans lequel au moins ladite seconde conduite d'air (15) est intégrée dans une (16) des parois verticales de l'enveloppe (2).
  3. Sèche-linge domestique selon la revendication 2, dans lequel ladite paroi verticale (16) de l'enveloppe (2) comprend un panneau sensiblement plat (16) pourvu d'un espace d'air interne (15) s'étendant verticalement à l'intérieur du corps de panneau ; ledit espace d'air (15) communiquant directement avec l'extérieur de l'enveloppe (2) par l'intermédiaire de deux ouvertures (15a, 15b), une positionnée à côté du bord supérieur du panneau (16), et l'autre positionnée à côté du bord inférieur du panneau (16), afin de définir ladite seconde conduite d'air (15).
  4. Sèche-linge domestique selon la revendication 3, dans lequel ladite première conduite d'air (14) se trouve sur la face intérieure de ladite paroi verticale (16).
  5. Sèche-linge domestique selon la revendication 4, dans lequel ladite première conduite d'air (14) comprend un élément tubulaire, à section transversale rectangulaire allongée, qui est fixé sur la face intérieure du panneau (16), dans une position sensiblement verticale, avec une de ses parois latérales principales en contact direct avec la face intérieure du panneau (16) ; et deux collecteurs sensiblement en forme d'entonnoir, installés sur les deux extrémités dudit élément tubulaire pour raccorder ledit élément tubulaire à deux sections consécutives dudit premier conduit de circulation d'air (8, 8b).
  6. Sèche-linge domestique selon l'une quelconque des revendications précédentes, dans lequel ledit premier échangeur de chaleur air/air (13) est pourvu d'un bidon à eau condensée (10a, 13a) destiné à collecter l'eau distillée liquide produite, lorsque le sèche-linge fonctionne, à l'intérieur de ladite première conduite d'air (14) par condensation du surplus d'humidité dans l'écoulement d'air chaud (f) arrivant dudit récipient de séchage de linge (3) ; ledit générateur d'air chaud (7, 17) comprenant également un générateur de vapeur sous pression (18) qui, sur commande, évacue l'eau distillée à partir dudit bidon à eau condensée (10a, 13a) et produit des jets de vapeur dans ledit récipient de séchage de linge (3).
  7. Sèche-linge domestique selon la revendication 6, dans lequel ledit générateur de vapeur sous pression (18) comprend une chaudière électrique (19) conçue pour recevoir une quantité donnée d'eau et la convertir immédiatement en un courant de vapeur dont la pression est supérieure à une pression externe ; une buse d'injection de vapeur (20) positionnée à l'intérieur de l'enveloppe (2) pour projeter des jets de vapeur directement à l'intérieur dudit récipient de séchage de linge (3) ; et un tuyau d'échappement de vapeur (21) raccordant la sortie de ladite chaudière (19) à la buse d'injection de vapeur (20) pour distribuer la vapeur produite par ladite chaudière (19) directement à ladite buse (20).
  8. Sèche-linge domestique selon la revendication 7, dans lequel ledit générateur de vapeur sous pression (18) comprend également une pompe à eau (22) qui aspire, sur commande, l'eau distillée à partir du bidon à eau condensée (10a, 13a) du premier échangeur de chaleur air/air (10, 13) et la distribue à ladite chaudière électrique (19), et des moyens de régulation d'écoulement actionnés électriquement (23) qui sont positionnés le long du tuyau raccordant la pompe à eau (22) à la chaudière (19) pour réguler le débit de l'eau distillée vers la chaudière électrique (19).
  9. Sèche-linge domestique selon l'une quelconque des revendications précédentes, dans lequel ledit sèche-linge (1) comprend également des moyens de ventilation (9) capables de produire, le long dudit premier conduit de circulation d'air (8), un écoulement d'air (f) qui s'écoule à travers ledit récipient de séchage de linge (3).
  10. Sèche-linge domestique selon l'une quelconque des revendications précédentes, dans lequel ledit générateur d'air chaud (7, 17) comprend également des moyens de ventilation auxiliaires (25) qui sont logés dans la seconde conduite d'air (15) pour générer, sur commande, un écoulement d'air supplémentaire à circulation forcée le long de la seconde conduite d'air (15) pour mieux refroidir l'écoulement d'air chaud (f) arrivant dudit récipient de séchage de linge (3).
  11. Sèche-linge domestique selon l'une quelconque des revendications précédentes, dans lequel ledit générateur d'air chaud (7, 17) comprend un second conduit de circulation d'air (8, 8b) par l'intermédiaire duquel un écoulement d'air (f) d'air chaud est canalisé dans ledit récipient de séchage de linge (3), et des moyens de chauffage (12) positionnés le long dudit second conduit de circulation d'air (8, 8a) pour chauffer, sur commande, l'écoulement d'air (f) s'écoulant dans ledit récipient de séchage de linge (3).
  12. Sèche-linge domestique selon la revendication 11, dans lequel lesdits premier (8, 8b) et second (8, 8a) conduits de circulation d'air sont raccordés l'un à l'autre afin de définir un conduit de recirculation d'air (8) ayant ses deux extrémités raccordées audit récipient de séchage de linge (3) ; lesdits moyens de chauffage (12) étant positionnés le long dudit conduit de recirculation d'air (8), en aval dudit premier échangeur de chaleur air/air (13), pour chauffer l'écoulement d'air (f) s'écoulant hors du premier échangeur de chaleur air/air (10) et de retour dans le récipient de séchage de linge (3).
  13. Sèche-linge domestique selon la revendication 12, dans lequel ledit générateur d'air chaud (7) comprend un second échangeur de chaleur (10) positionné le long dudit conduit de recirculation d'air (8), entre le premier échangeur de chaleur air/air (13) et les moyens de chauffage (12), pour refroidir davantage l'écoulement d'air (f) à partir du récipient de séchage de linge (3) et condenser le surplus d'humidité dans ledit écoulement d'air (f).
  14. Sèche-linge domestique selon l'une quelconque des revendications précédentes, dans lequel ledit récipient de séchage de linge (3) comprend un tambour sensiblement en forme de cloche (3) qui est fixé de manière axialement rotative à l'intérieur de l'enveloppe (2), directement en face d'une ouverture de chargement et de déchargement de linge (2a) formée dans la face avant de ladite enveloppe (2).
EP08156769A 2008-05-22 2008-05-22 Séchoir à linge pour usage domestique Not-in-force EP2123823B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP08156769A EP2123823B1 (fr) 2008-05-22 2008-05-22 Séchoir à linge pour usage domestique
ES08156769T ES2370918T3 (es) 2008-05-22 2008-05-22 Secadora doméstica de ropa.
PL08156769T PL2123823T3 (pl) 2008-05-22 2008-05-22 Domowa suszarka do prania
AT08156769T ATE517207T1 (de) 2008-05-22 2008-05-22 Haushaltswäschetrockner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08156769A EP2123823B1 (fr) 2008-05-22 2008-05-22 Séchoir à linge pour usage domestique

Publications (2)

Publication Number Publication Date
EP2123823A1 EP2123823A1 (fr) 2009-11-25
EP2123823B1 true EP2123823B1 (fr) 2011-07-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP08156769A Not-in-force EP2123823B1 (fr) 2008-05-22 2008-05-22 Séchoir à linge pour usage domestique

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EP (1) EP2123823B1 (fr)
AT (1) ATE517207T1 (fr)
ES (1) ES2370918T3 (fr)
PL (1) PL2123823T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
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CN102337665A (zh) * 2010-07-16 2012-02-01 田飞 具有热回收装置的烘干机
CN103868274A (zh) * 2012-12-12 2014-06-18 李家海 一种新型高效节能的电供热式药品工业干燥机

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Publication number Priority date Publication date Assignee Title
EP2573253B1 (fr) * 2011-09-26 2016-09-07 Electrolux Home Products Corporation N.V. Sèche-linge à pompe à chaleur
CN102889756A (zh) * 2012-10-24 2013-01-23 无锡市通和工机有限公司 箱式干燥器
CN105780432B (zh) * 2014-12-26 2019-07-23 博西华电器（江苏）有限公司 衣物烘干机及其工作方法

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Publication number Priority date Publication date Assignee Title
US4179821A (en) 1977-11-21 1979-12-25 General Electric Company Dishwasher vent arrangement
FR2646501B1 (fr) * 1989-04-28 1991-09-20 Esswein Sa Condenseur d'humidite pour air chaud et humide, et appareil muni d'un tel condenseur
IT221382Z2 (it) * 1989-12-01 1994-03-16 Zanussi A Spa Industrie Dispositivo di condensazione del vapore per macchine asciugabiancheriao macchine combinate per il lavaggio e l'asciugatura della biancheria

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102337665A (zh) * 2010-07-16 2012-02-01 田飞 具有热回收装置的烘干机
CN102337665B (zh) * 2010-07-16 2013-03-06 田飞 具有热回收装置的烘干机
CN103868274A (zh) * 2012-12-12 2014-06-18 李家海 一种新型高效节能的电供热式药品工业干燥机

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PL2123823T3 (pl) 2011-12-30
EP2123823A1 (fr) 2009-11-25
ES2370918T3 (es) 2011-12-23
ATE517207T1 (de) 2011-08-15

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