US20080209954A1 - Washer Dryer - Google Patents

Washer Dryer Download PDF

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Publication number
US20080209954A1
US20080209954A1 US11/568,618 US56861806A US2008209954A1 US 20080209954 A1 US20080209954 A1 US 20080209954A1 US 56861806 A US56861806 A US 56861806A US 2008209954 A1 US2008209954 A1 US 2008209954A1
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United States
Prior art keywords
water tank
heater
heater casing
hole
drum
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.)
Abandoned
Application number
US11/568,618
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English (en)
Inventor
Kazutoshi Nakiri
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
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Filing date
Publication date
Application filed by Sharp Corp filed Critical Sharp Corp
Assigned to SHARP KABUSHIKI KAISHA reassignment SHARP KABUSHIKI KAISHA ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: NAKIRI, KAZUTOSHI
Publication of US20080209954A1 publication Critical patent/US20080209954A1/en
Abandoned legal-status Critical Current

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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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/006—Recovery arrangements, e.g. for the recovery of energy or water
    • 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 
    • D06F58/26—Heating arrangements, e.g. gas heating equipment
    • 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
    • D06F25/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air 
    • 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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/04—Heating 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/52—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to electric heating means, e.g. temperature or voltage
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/28—Electric heating
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters

Definitions

  • the present invention relates to a washer dryer.
  • This washer dryer includes a housing, a water tank placed in this housing, a drum which is placed in this water tank and which accommodates laundry, and a drying system placed between a top face of the housing and an outer upper portion of the water tank.
  • the drying system has a blower mechanism part, a heating mechanism part for heating air blown by the blower mechanism part, and a hot air blower part for guiding air heated by the heating mechanism part into the drum.
  • an opening portion for allowing laundry to be put in and out therethrough.
  • the opening portion of the housing is to be opened and closed by a door which is pivotably fitted to the housing.
  • At the frontage of the drum is provided an opening portion which faces the opening portion of the housing. Also, the frontage of the drum is inclined to an agree of 5° to 20° with respect to a vertical plane.
  • the washer dryer of this construction after laundry are thrown into the drum through the opening portion of the housing by a user, at least one of washing operation, rinsing operation, dewatering operation and drying operation according to operation contents set by the user.
  • the drying system In the drying operation, while laundry that have completely been dewatered are in the drum, the drying system operates with the drum rotating both leftward and rightward, alternately. As a result of this, air heated by the heating mechanism part is fed into the drum via a hot air blower part to blow against the laundry that is being stirred, so that moisture with which the laundry are impregnated can be evaporated.
  • the drying system since the drying system is located between the top face of the housing and the outer upper portion of the water tank, the temperature of an upper external wall of the housing, in particular, is elevated by radiation heat of the exterior wall of the drying system during the drying operation. In such a case, the user, when touching the upper exterior wall of the housing, would feel discomfort or uneasy. Therefore, it is necessary to add a heat insulating material to the exterior wall of the drying system or add a heat insulating material to lower portion of the top face of the housing. However, the addition of the heat insulating material would cause a problem of an increase in manufacturing cost.
  • an object of the present invention is to provide a washer dryer which is capable of suppressing discomfort or uneasy feeling for the user without causing increases in manufacturing cost and moreover enhancing the drying efficiency for laundry.
  • a washer dryer comprising:
  • heat radiated from at least part of the outer wall of the drying system provided within the water tank can be confined within the water tank. That is, heat radiated from at least of the outer wall of the drying system can be utilized as the heat that contributes to the drying of laundry in the washing and dewatering tank. Accordingly, heat radiation loss of the drying system can be suppressed to a minimum, so that efficient drying of laundry can be achieved.
  • the drying system has:
  • blower mechanism part is placed outside the water tank, installation and maintenance of the blower mechanism part can be achieved more simply.
  • the heating mechanism part has:
  • the metallic heater casing is provided so as to surround the heat generation part of the heater, even if waste threads have adhered to the heat generation part of the heater and caught fire, spreading of the fire of the waste threads to the resin component or the water tank can be prevented by the heater casing. Therefore, the safety of the washer dryer can be enhanced.
  • the heater casing is supported in the water tank by the heat-resistant resin component fixed to the water tank, influences of the heat applied from the heater casing to the water tank can be relaxed. That is, the amount of heat applied from the heater casing to the water tank can be reduced. Therefore, thermal deformation of the water tank can be prevented, so that safety of the washer dryer can be further enhanced.
  • part of the heater casing faces an outer circumferential surface of the washing and dewatering tank.
  • part of the heater casing is set to face the outer circumferential surface of the washing and dewatering tank, the radiation heat of the outer wall of the heater casing can be transferred to the washing and dewatering tank with high efficiency.
  • part of the resin component is positioned between the heater casing and the washing and dewatering tank.
  • part of the resin component is positioned between the heater casing and the washing and dewatering tank, the amount of heat applied from the heater casing to part of the water tank to which influences of radiation heat due to the outer wall of the heater casing should be avoided can be further reduced.
  • temperature elevation of the heater casing can be detected by the temperature control component with high sensitivity. Therefore, any abnormal temperature elevation of the heater casing can be detected promptly by the temperature control component, so that heat influences from the heater casing to peripheral components can be suppressed to a minimum.
  • the temperature control component can be brought into contact with the heater casing with ease.
  • a side face of the protruding portion is given as a sloped surface for keeping water from accumulating in the protruding portion, for example, even if water has entered into the heater casing during the dewatering of laundry, it never occurs that water stays in the protruding portion in the drying of the laundry. Therefore, any abnormal temperature elevation of the heater casing can be detected correctly and promptly by the temperature control component.
  • a cushioning material is placed between the heater casing and the resin component.
  • the cushioning material is placed between the heater casing and the resin component, heat of the heater casing can be prevented from being directly transferred to the resin component. Therefore, materials of heat-resistant temperatures may be used as the material of the resin component, so that a reduction of the manufacturing cost can be achieved.
  • the cushioning material is placed between the heater casing and the resin component, rattling of the heater casing and the resin component due to vibrations in the dewatering of the laundry can be suppressed. Therefore, occurrence of unusual noise due to the heater casing and the resin component can be prevented.
  • the hot air blower part is fixed only to the front portion of the water tank while the heating mechanism part is fixed only to the rear portion of the water tank, the hot air blower part and the heating mechanism part can be combined together in combination of the front portion of the water tank and the rear portion of the water tank. Therefore, assembly of the water tank and the drying system becomes easier to achieve, so that the assemblability of the washer dryer can be enhanced.
  • the washer dryer can be enhanced in serviceability.
  • the support part guides the heat generation part of the heater to a specified position within the heater casing.
  • the support part guides the heat generation part of the heater to a specified position within the heater casing, installation of the heater can be simplified.
  • FIG. 1 is a schematic sectional view of a drum type washing machine which is an embodiment of the washer dryer of the present invention
  • FIG. 2 is a schematic front view of the water tank of the washer dryer
  • FIG. 3 is a schematic sectional view of the water tank of the washer dryer
  • FIG. 4 is an enlarged view of main part of FIG. 3 .
  • FIG. 1 shows a schematic sectional view of a drum type washing machine which is an embodiment of the washer dryer of the invention.
  • the drum type washing machine includes a housing 1 , a bottomed cylindrical-shaped water tank 3 set within the housing 1 , a bottomed cylindrical-shaped drum 4 which is rotatably set within the water tank 3 and which accommodates laundry, a drum-driving motor 5 which is mounted in the rear of the water tank 3 and which drives the drum 4 into rotation, a drying system 6 part of which is provided between the water tank 3 and the drum 4 and which serves for drying laundry in the drum 4 , and two dampers 7 for elastically supporting rear portions of the water tank 3 .
  • the drum 4 is an example of the washing and dewatering tank.
  • Most of the frontage of the housing 1 is formed of a front panel 12 , and bottom portion of the housing 1 is formed of a bottom base 13 . Also, a housing opening portion 11 is provided at the frontage of the housing 1 , and the housing opening portion 11 is opened and closed by a door 2 pivotably fitted to the housing 1 with hinges.
  • a detergent casing 14 for housing therein detergent, bleach and softener, and an operation part 15 having operation keys and a display part.
  • On the back side of the operation part 15 (on the interior side of the housing 1 ) is placed an operation circuit 17 for controlling the operation of the drum type washing machine.
  • a rear portion of the top face of the housing 1 is formed into a step portion 16 lower than a front portion of the top face.
  • a tap water feed port 41 for feeding tap water to the water tank 3 and a bath water feed port 42 for feeding bath water to the water tank 3 .
  • a water feed channel from the tap water feed port 41 to the detergent casing 14 has a water feed valve 43
  • a water feed channel from the bath water feed port 42 to the detergent casing 14 has a bath water pump 44 .
  • the water tank 3 which is combined with the frontage of the housing portion located on the front side of the drum 4 in its rotational axis direction, is composed of a front portion 31 , and a rear portion 32 fixed by screw in combination with the front portion 31 and located on the rear side of the drum 4 in its rotational axis direction, where the center axis is inclined with respect to the horizontal plane so that the rear portion 32 becomes lower than the front portion 31 .
  • a water tank opening portion 18 is provided at the front portion 31 of the water tank 3 , and a door packing 19 formed of an elastic member such as rubber or soft resin is fitted to an opening edge of the water tank opening portion 18 .
  • the water tank 3 is transversely positioned so that the water tank opening portion 18 faces the housing opening portion 11 . More specifically, the center axis of the water tank 3 is inclined to form an angle of 5° to 30° with respect to the horizontal direction.
  • a water feed duct 20 for feeding water, washing liquid or the like into the water tank 3 is connected to an upper portion of the water tank 3 .
  • a drain duct 21 for draining water or washing liquid or the like within the water tank 3 to the outside is connected to a lower portion of the water tank 3 .
  • the drain duct 21 is further connected to a drain hose 23 via a filter 22 .
  • the filter 22 removes waste threads in the liquid that has flowed down from within the water tank 3 .
  • the drain hose 23 is provided with a drain valve 25 which is opened and closed by a drain motor 24 .
  • the drum 4 is so positioned that its center axis is decentered toward the top face of the housing 1 with respect to the center axis of the water tank 3 . That is, the center axis of the drum 4 is positioned on an upper portion side of the water tank 3 with respect to the center axis of the water tank 3 .
  • a distance between the lower peripheral wall of the drum 4 and the lower peripheral wall of the water tank 3 is larger than a distance between the upper peripheral wall of the drum 4 and the upper peripheral wall of the water tank 3 .
  • the drum 4 is placed so as to be located on the upper portion side of the water tank 3 .
  • the rotational axis of the drum 4 is inclined to form an angle of 5° to 30° with respect to the horizontal direction, so that the drum 4 has its rear portion positioned lower than its front portion.
  • a drum opening portion 26 which faces the housing opening portion 11 and the water tank opening portion 18 .
  • the dampers 7 are fitted to a damper fitting surface 30 of a damper support metal fitting 8 by their end portions of one side other than the water tank 3 side.
  • FIG. 2 shows a schematic front view of the water tank 3 .
  • the water tank opening portion 18 is smaller in diameter than the drum opening portion 26 . Then, a water tank opening portion center C 1 is positioned on one side of the housing 1 closer to the top face of the housing 1 than a drum opening portion center C 2 . That is, the water tank opening portion 18 is decentered from the drum opening portion 26 toward the top face of the housing 1 .
  • the drying system 6 is positioned lower than a plane including the center axis of the water tank 3 and containing a horizontal axis perpendicular to the center axis. That is, the drying system 6 is installed at a lower portion of the space within the housing 1 .
  • the drying system 6 has a dehumidification heat exchanger 100 for dehumidifying the air in the water tank 3 , a blower mechanism part 200 for directly sucking the air dehumidified by the dehumidification heat exchanger 100 , a heating mechanism part 300 for heating the air blown out by the blower mechanism part 200 , and a hot air blower part 400 for guiding the air heated by the heating mechanism part 300 into the drum 4 .
  • the dehumidification heat exchanger 100 is positioned at a lower portion of the space in the water tank 3 . More specifically, the dehumidification heat exchanger 100 is positioned in a region which is immersed with the washing liquid between the inner circumferential surface of the water tank 3 and the outer circumferential surface of the drum 4 .
  • FIG. 3 shows a schematic sectional view of the water tank 3 .
  • a plurality of small holes 27 are provided all over the peripheral wall of the drum 4 (in FIGS. 1 and 3 , only six small holes 27 are shown and the others are not). These small holes 27 are purposed to circulate washing water, dry air or the like between a space, which is defined by the water tank 3 and the drum 4 , and the space inside the drum 4 . Also, radially inwardly protruding baffles 28 are provided on the inner wall surface of the drum 4 . This baffles 28 are positioned at three points circumferentially at, for example, 120° intervals. The baffles 28 serve for iteratively lifting and dropping laundry along with the rotation of the drum 4 .
  • a liquid balancer 29 surrounding the drum opening portion 26 of the drum 4 from outside is provided in order that any imbalance that tends to occur due to offsets of the laundry, washing liquid and the like is canceled by move of sealed liquid inside the liquid balancer 29 during the rotation of the drum 4 .
  • FIG. 4 shows an enlarged view of main part of FIG. 3 .
  • the blower mechanism part 200 is fitted to a rear face lower portion of the water tank 3 .
  • the blower mechanism part 200 is composed of a fan casing 201 , a fan 202 housed in the fan casing 201 , and a fan motor 203 which drives the fan 202 into rotation.
  • the fan casing 201 is fitted to a rear face lower portion of the water tank 3 , and the space in the fan casing 201 is communicated with the space in the water tank 3 . Then, the fan casing 201 is provided with a hole 204 through which a sheath heater 301 is to be inserted.
  • the hole 204 is an example of the third hole.
  • the fan 202 is coupled directly with the rotating shaft of the fan motor 203 . With the fan 202 rotated by the fan motor 203 , air inside the water tank 3 can be sucked directly into the fan casing 201 .
  • the heating mechanism part 300 is positioned between a lower portion of the water tank 3 and a lower portion of the drum 4 . Then, the heating mechanism part 300 has the sheath heater 301 , a metallic heater casing 302 surrounding a heat generation part 311 of the sheath heater 301 , and a heater casing support component 303 for supporting the heater casing 302 in the water tank 3 . It is noted that the sheath heater 301 is an example of the heater and the heater casing support component 303 is an example of the resin component.
  • the sheath heater 301 is capable of heating the air in the water tank 3 as well as water, washing water or the like in the water tank 3 .
  • the heat generation part 311 of the sheath heater 301 is placed inside the heater casing 302 by the insertion of the sheath heater 301 into the hole 204 of the fan casing 201 .
  • a metallic heater flange 313 is provided integrally with the sheath heater 301 , and moreover a heater packing 314 for sealing the hole 204 of the fan casing 201 is provided.
  • the portion 312 is an example of the fitting portion
  • the heater packing 314 is an example of the packing
  • the heater flange 313 is an example of the flange.
  • the sloped surface 323 is so formed as to be inclined with respect to the horizontal plane during the use so that its rear portion becomes lower than the front portion.
  • a heater supporter 321 which is located near the protruding portion 322 to support the sheath heater 301 .
  • This heater supporter 321 guides the heat generation part 311 of the sheath heater 301 to a specified position within the heater casing 302 . Needless to say, it is in a completed state of the drum type washing machine that the sloped surface 323 is inclined with respect to the horizontal plane as described above.
  • the heater supporter 321 is an example of the support part.
  • the heater casing support component 303 is fixed only to the rear portion 32 of the water tank 3 . Also, the heater casing support component 303 is formed of heat-resistant resin. Then, in a lower portion of the heater casing support component 303 is provided a hole 331 that allows the protruding portion 322 of the heater casing 302 to be exposed. It is noted that the hole 331 is an example of the first hole.
  • the hot air blower part 400 is fixed only to the front portion 31 of the water tank 3 . Also, a rear-side end portion of the hot air blower part 400 is coupled to a front-side end portion of the heater casing 302 . Meanwhile, a front-side end portion of the hot air blower part 400 is positioned between the front lower portion of the water tank 3 and the front lower portion of the drum 4 . Then, a blower hole 40 provided at the front-side end portion of the hot air blower part 400 is positioned between a lower edge of the water tank opening portion 18 and a lower edge of the drum opening portion 26 , thus facing the drum opening portion 26 (see FIG. 2 ).
  • a heat-resistant cushioning material 600 is placed between the heater casing 302 and the heater casing support component 303 , and between the heater casing 302 and the hot air blower part 400 . It is noted that the heat-resistant cushioning material 600 is an example of the cushioning material.
  • a hole 33 that confronts the hole 331 is provided in a lower portion of the water tank 3 .
  • a temperature excessive-elevation prevention device 500 for controlling the temperature of the heater casing 302 is inserted into the hole 33 .
  • An end portion of the temperature excessive-elevation prevention device 500 on the heater casing 302 side is in contact with the protruding portion 322 of the heater casing 302 .
  • the hole 33 is an example of the second hole
  • the temperature excessive-elevation prevention device 500 is an example of the temperature control component.
  • the heating mechanism part 300 and the hot air blower part 400 is located between the lower portion of the water tank 3 and the drum 4 , radiation heat of the heating mechanism part 300 and the hot air blower part 400 is intercepted by the water tank 3 so as not to directly reach the housing 1 . Therefore, the housing 1 can be prevented from getting high temperature without any heat insulating material, thus making it possible to suppress user's discomfort and uneasy feeling without involving any increase in manufacturing cost.
  • the drying system 6 For drying of the laundry in the drum 4 , the drying system 6 is operated. Upon operation of the drying system 6 , as indicated by the arrow of FIG. 1 , air circulates in the water tank 3 . More specifically, when the drying system 6 is operated, the fan 202 of the blower mechanism part 200 is rotated, so that hot air generated by the sheath heater 301 blows off from the blower hole 40 toward lower portion of the space in the drum 4 . As a result of this, moisture of the laundry in the drum 4 evaporates. Air containing the moisture, i.e., moist air goes from the small holes 27 out of the drum 4 , being cooled by the dehumidification heat exchanger 100 located at a lower portion of the space in the water tank 3 .
  • the moist air is condensed. That is, the moist air is dehumidified by the dehumidification heat exchanger 100 so as to become dry air.
  • This dry air is fed into the heater casing 302 by the blower mechanism part 200 , reheated by the sheath heater 301 , and then blown out from the blower hole 40 toward the lower portion in the drum 4 . That is, the hot air generated by the sheath heater 301 blows out from the blower hole 40 toward the lower portion of the space in the drum 4 .
  • heat radiated from the heating mechanism part 300 and the hot air blower part 400 can be confined in the water tank 3 . That is, heat radiated from the outer walls of the heating mechanism part 300 and the hot air blower part 400 can be utilized as heat that contributes to the drying of laundry in the drum 4 . Accordingly, heat radiation loss of the drying system 6 can be suppressed to a minimum, so that the drying efficiency for laundry can be enhanced.
  • blower mechanism part 200 is located outside the water tank 3 , installation and maintenance of the blower mechanism part 200 can be easily achieved.
  • the metallic heater casing 302 is provided so as to surround the heat generation part 311 of the sheath heater 301 , even if waste threads have adhered to the heat generation part 311 of the sheath heater 301 and caught fire, spreading of the fire of the waste threads to the heater casing support component 303 or the water tank 3 can be prevented by the heater casing 302 . Therefore, the safety of the drum type washing machine can be enhanced.
  • the heater casing 302 does not make contact with the water tank 3 , influences of the heat applied from the heater casing 302 to the water tank 3 can be relaxed. That is, the amount of heat applied from the heater casing 302 to the water tank 3 can be reduced. Therefore, thermal deformation of the water tank 3 can be prevented, so that safety of the drum type washing machine can be further enhanced.
  • the radiation heat of the outer wall of the heater casing 302 can be transferred to the drum 4 with high efficiency.
  • the heater casing support component 303 Since most of the lower portion of the heater casing 302 is covered with the heater casing support component 303 , radiant heat directed from the lower portion of the heater casing 302 toward the water tank 3 can be intercepted by the heater casing support component 303 . That is, the lower portion of the heater casing 302 and the water tank 3 can be heat-insulated by the heater casing support component 303 . Therefore, the amount of heat applied from the heater casing 302 to the water tank 3 can be further reduced.
  • the temperature excessive-elevation prevention device 500 for controlling the temperature of the heater casing 302 is kept in contact with the heater casing 302 , temperature elevations of the heater casing 302 can be detected with high sensitivity by the temperature excessive-elevation prevention device 500 . Therefore, any abnormal temperature elevation of the heater casing 302 can be detected promptly by the temperature excessive-elevation prevention device 500 , so that heat influences from the heater casing 302 to peripheral components can be suppressed to a minimum.
  • the protruding portion 322 of the heater casing 302 is protruding from the hole 331 of the heater casing support component 303 , it is easy to make the temperature excessive-elevation prevention device 500 brought into contact with the heater casing 302 .
  • the sloped surface 323 of the protruding portion 322 is so formed as to be inclined with respect to the horizontal plane so that its rear portion becomes lower than its front portion, for example, even if water has entered into the heater casing 302 during the dewatering of laundry, it never occurs that water stays in the protruding portion 322 in the drying of the laundry. Therefore, any abnormal temperature elevation of the heater casing 302 can be detected correctly and promptly by the temperature excessive-elevation prevention device 500 .
  • heat-resistant cushioning material 600 is placed between the heater casing 302 and the heater casing support component 303 as well as between the heater casing 302 and the hot air blower part 400 , heat of the heater casing 302 is not transferred directly to the heater casing support component 303 and the hot air blower part 400 . Therefore, heat applied to the heater casing support component 303 and the hot air blower part 400 from the heater casing 302 is of small amount, so that thermal deformation of the heater casing support component 303 and the hot air blower part 400 can be prevented.
  • the heat-resistant cushioning material 600 is placed between the heater casing 302 and the heater casing support component 303 as well as between the heater casing 302 and the hot air blower part 400 , it becomes possible to suppress rattling of the heater casing 302 , the heater casing support component 303 and the hot air blower part 400 , for example, due to vibrations in the dewatering of the laundry. Therefore, occurrence of unusual noise due to the heater casing 302 , the heater casing support component 303 and the hot air blower part 400 can be prevented.
  • the hot air blower part 400 is fixed only to the front portion 31 of the water tank 3 , and the heater casing support component 303 is fixed only to the rear portion 32 of the water tank 3 . Therefore, by setting a combination of the front portion of the water tank 3 and the rear portion of the water tank 3 , it becomes possible to combine the heater casing 302 supported by the heater casing support component 303 and the hot air blower part 400 together. Thus, assembly of the water tank 3 and the drying system 6 becomes easier to achieve, so that the drum type washing machine of this embodiment becomes higher in assemblability.
  • the washer dryer of this embodiment is enhanced in serviceability.
  • part of the drying system 6 is placed on one side between the water tank 3 and the drum 4 , the side being lower than a plane which contains a center axis of the water tank 3 and which contains a horizontal axis perpendicular to the center axis.
  • part of the drying system 6 is placed on one side between the water tank 3 and the drum 4 , the side being upper than a plane which contains a center axis of the water tank 3 and which contains a horizontal axis perpendicular to the center axis.
  • part of the drying system 6 may also be placed on one side between the water tank 3 and the drum 4 , the side being the left side of a plane which contains a center axis of the water tank 3 and which contains a vertical axis perpendicular to the center axis.
  • part of the drying system 6 may also be placed on one side between the water tank 3 and the drum 4 , the side being the right side of a plane which contains a center axis of the water tank 3 and which contains a vertical axis perpendicular to the center axis.
  • the place where at least part of the drying system 6 is placed may be anywhere between the water tank 3 and the drum 4 .
  • the entirety of the drying system 6 may be placed between the water tank 3 and the drum 4 . That is, all of the dehumidification heat exchanger 100 , the blower mechanism part 200 , the heating mechanism part 300 and the hot air blower part 400 may be placed between the water tank 3 and the drum 4 .
  • the dehumidification heat exchanger 100 although placed between the water tank 3 and the drum 4 in the above-described embodiment, yet may also be placed between the housing 1 and the water tank 3 .
  • the protruding portion 322 is provided at a lower portion of the heater casing 302 in the above-described embodiment, yet the protruding portion 322 may also be provided at a lower portion of the water tank 3 . More specifically, it is also possible that the heater casing support component 303 has a first hole provided at a portion facing the water tank 3 while the water tank 3 has a protruding portion provided at a portion facing the first hole, the protruding portion protruding toward the heater casing 302 and having a second hole. In this case, the temperature excessive-elevation prevention device 500 is inserted into the second hole so that the temperature excessive-elevation prevention device 500 is brought into contact with a lower portion of the heater casing 302 .
  • the hole 204 for insertion of the sheath heater 301 is provided in the blower mechanism part 200 in the above-described embodiment, yet the hole 204 for insertion of the sheath heater 301 may also be provided in the water tank 3 .
  • the place where the hole 204 for insertion of the sheath heater 301 may be either in a front face lower portion of the water tank 3 or in a rear face lower portion of the water tank 3 .
  • the axis of the washing and dewatering tank may be horizontal, diagonal or vertical. That is, the axis of the washing and dewatering tank may be set parallel to the horizontal plane, or diagonal to the horizontal plane, or vertical to the horizontal plane.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
US11/568,618 2005-02-24 2006-02-07 Washer Dryer Abandoned US20080209954A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2005-048550 2005-02-24
JP2005048550A JP3847318B2 (ja) 2005-02-24 2005-02-24 洗濯乾燥機
PCT/JP2006/302033 WO2006090576A1 (fr) 2005-02-24 2006-02-07 Machine a laver et a secher le linge

Publications (1)

Publication Number Publication Date
US20080209954A1 true US20080209954A1 (en) 2008-09-04

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US11/568,618 Abandoned US20080209954A1 (en) 2005-02-24 2006-02-07 Washer Dryer

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US (1) US20080209954A1 (fr)
EP (1) EP1852536A4 (fr)
JP (1) JP3847318B2 (fr)
KR (1) KR20070102627A (fr)
CN (1) CN1977077B (fr)
AU (1) AU2006218315B2 (fr)
TW (1) TWI322840B (fr)
WO (1) WO2006090576A1 (fr)

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US20100251777A1 (en) * 2007-11-28 2010-10-07 Nobuo Komoto Washing/drying machine
US7926202B2 (en) * 2005-03-18 2011-04-19 Bsh Bosch Und Siemens Hausgeraete Gmbh Condenser tumble-dryer
US20130047677A1 (en) * 2011-08-31 2013-02-28 Jonghee Han Laundry treating apparatus
WO2017119686A1 (fr) * 2016-01-04 2017-07-13 엘지전자 주식회사 Appareil de traitement pour vêtements
US20190112742A1 (en) * 2017-10-17 2019-04-18 Haier Us Appliance Solutions, Inc. Fan assembly for a washing machine appliance
US10690391B2 (en) 2013-03-15 2020-06-23 Whirlpool Corporation Appliance using heated glass panels

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KR100922986B1 (ko) * 2009-01-12 2009-10-22 윤태소 건조기
JP2015205109A (ja) * 2014-04-23 2015-11-19 日立アプライアンス株式会社 ドラム式洗濯機
CN111101351B (zh) * 2018-10-26 2022-08-26 无锡小天鹅电器有限公司 烘干系统和衣物处理装置

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US4024735A (en) * 1974-11-30 1977-05-24 Zallas Establishment Washing machine
US4154003A (en) * 1975-07-02 1979-05-15 August Lepper, Maschinen-und Apparatebau GmbH Combined drum washer and drying arrangement
US6539753B1 (en) * 1999-03-31 2003-04-01 Kabushiki Kaisha Toshiba Drum type washing machine
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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7926202B2 (en) * 2005-03-18 2011-04-19 Bsh Bosch Und Siemens Hausgeraete Gmbh Condenser tumble-dryer
US8511324B2 (en) * 2007-11-28 2013-08-20 Haier Group Corporation Washing/drying machine
US20100251777A1 (en) * 2007-11-28 2010-10-07 Nobuo Komoto Washing/drying machine
US10273624B2 (en) 2011-08-31 2019-04-30 Lg Electronics Inc. Laundry treating apparatus having holding portion and detergent introduction portion
US20130047677A1 (en) * 2011-08-31 2013-02-28 Jonghee Han Laundry treating apparatus
US9388523B2 (en) 2011-08-31 2016-07-12 Lg Electronics Inc. Laundry treating apparatus
US9631312B2 (en) * 2011-08-31 2017-04-25 Lg Electronics Inc. Laundry treating apparatus having a cabinet with an inclined portion
US10690391B2 (en) 2013-03-15 2020-06-23 Whirlpool Corporation Appliance using heated glass panels
WO2017119686A1 (fr) * 2016-01-04 2017-07-13 엘지전자 주식회사 Appareil de traitement pour vêtements
EP3401435A4 (fr) * 2016-01-04 2019-11-20 LG Electronics Inc. -1- Appareil de traitement pour vêtements
US10738408B2 (en) 2016-01-04 2020-08-11 Lg Electronics Inc. Clothes treating apparatus
EP4219818A3 (fr) * 2016-01-04 2023-11-01 LG Electronics Inc. Appareil de traitement de vêtements
EP4293152A3 (fr) * 2016-01-04 2024-03-13 LG Electronics Inc. Appareil de traitement de vêtements
US20190112742A1 (en) * 2017-10-17 2019-04-18 Haier Us Appliance Solutions, Inc. Fan assembly for a washing machine appliance

Also Published As

Publication number Publication date
CN1977077A (zh) 2007-06-06
EP1852536A4 (fr) 2012-08-08
TW200643257A (en) 2006-12-16
KR20070102627A (ko) 2007-10-18
JP3847318B2 (ja) 2006-11-22
JP2006230655A (ja) 2006-09-07
AU2006218315A1 (en) 2006-08-31
CN1977077B (zh) 2010-12-01
EP1852536A1 (fr) 2007-11-07
AU2006218315B2 (en) 2009-04-23
TWI322840B (en) 2010-04-01
WO2006090576A1 (fr) 2006-08-31

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