CN1097652C - Drying device - Google Patents
Drying device Download PDFInfo
- Publication number
- CN1097652C CN1097652C CN98104493A CN98104493A CN1097652C CN 1097652 C CN1097652 C CN 1097652C CN 98104493 A CN98104493 A CN 98104493A CN 98104493 A CN98104493 A CN 98104493A CN 1097652 C CN1097652 C CN 1097652C
- Authority
- CN
- China
- Prior art keywords
- temperature
- rotating cylinder
- dried
- testing organization
- warm wind
- 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.)
- Expired - Fee Related
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Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
- D06F58/04—Details
-
- 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
- D06F58/00—Domestic laundry dryers
- D06F58/32—Control of operations performed in domestic laundry dryers
- D06F58/34—Control of operations performed in domestic laundry dryers characterised by the purpose or target of the control
- D06F58/36—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry
- D06F58/38—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry of drying, e.g. to achieve the target humidity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Drying Of Solid Materials (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The present invention relates to a drying device, in which hot air in a rotary drum is circulated through a circulation path including a heat exchanger and subjects to be dried are dried through dehumidification in the heat exchanger. Subjects to be dried are enclosed in a rotary drum having a rotating shaft extended in an approximately horizontal direction, and a heat exchanger in which hot air containing moisture in the rotary drum is directly heat exchanged by water and an air heater are provided inside a circulation path in which hot air in the rotary drum is circulated by a blower fan. The degree to which the subjects to be dried in the rotary drum are dried is detected from the difference between the temperature of the water used in heat exchanging action in the heat exchanger and the temperature of the hot air circulating in the circulation path.
Description
The present invention relates to make the interior warm wind of rotating cylinder in containing the peripheral passage of heat exchanger, to circulate, in heat exchanger, dehumidify, make the drying device of the thing drying that is dried.
In the past, this type of drying device is made in making the peripheral passage of rotating cylinder Nei Neiwen circulation, be provided with heater and heat exchanger, with cooling fan from the external refrigeration heat exchanger, make the warm wind moisture content that dewfall, the thing that is dried in to rotating cylinder contain in heat exchanger that contains wet steam dehumidify, will be with the air of the dehumidifying of heater heating once more in rotating cylinder supply carry out drying.
In addition, make with contact heater and heat exchange type both wings fan are set in the peripheral passage that warm wind circulates in making rotating cylinder, the warm wind that contains wet steam circulated in the peripheral passage with heat exchange type both wings fan, simultaneously, cool off from the outside, make the warm wind dewfall that contains wet steam, the moisture content that the thing that is dried in the rotating cylinder is contained dehumidifies, and with the air that the heater heating has dehumidified, supplies with in rotating cylinder once more.
In above-mentioned traditional structure, because with air-cooled heat exchanger or heat exchange type both wings fan, thereby need enough big heat release area, thus there is the problem that becomes maximization, in addition, when environment temperature raises, then cooling capacity descends, dehumidifying effect is reduced, and drying time is elongated, in addition, owing to make the air that heat exchanger or heat exchange type both wings fan coolling are crossed in indoor discharging, also have the problem that indoor temperature is risen.
The present invention is just in order to address the above problem, and purpose is to provide the dehumidifying effect that can improve the heat exchanger device, shorten drying time, can reach miniaturization simultaneously again, improve the drying device of the accuracy of detection that detects the thing degree of drying that is dried.
Be the drying device of the present invention that achieves the above object, comprise the rotating cylinder that holds the thing that is dried, has the rotating shaft of being arranged to roughly to be positioned at horizontal direction, in the peripheral passage that the warm wind that makes with wind pushing mechanism in the described rotating cylinder circulates, be provided with, water directly with contain heat exchanger and the heater that the warm wind of wet steam carries out heat exchange in the rotating cylinder, with for making the supply water temperature that in described heat exchanger, produces heat exchange action and the temperature difference detect the degree of drying of the thing that is dried in the described rotating cylinder through the warm wind-warm syndrome degree of described peripheral passage circulation.
In view of the above, by water directly with contain that the warm wind of wet steam carries out heat exchange in the rotating cylinder, can improve heat exchanger dehumidifying effect, shorten drying time, can reach miniaturization simultaneously again, improve the accuracy of detection that detects the thing degree of drying that is dried.
In addition, drying device according to the present invention comprises the rotating cylinder that holds the thing that is dried, has the rotating shaft of being arranged to roughly to be positioned at horizontal direction, in having the peripheral passage of wind pushing mechanism, be provided with, water directly with contain heat exchanger and the heater that the warm wind of wet steam carries out heat exchange in the described rotating cylinder, with for making the supply water temperature that produces heat exchange action at above-mentioned heat exchanger and the temperature difference of the warm wind-warm syndrome degree that circulates through above-mentioned peripheral passage detect the degree of drying of the thing that is dried in the above-mentioned rotating cylinder.Generally, because the cooling capacity of water is than the cooling capacity height of air, by water directly with contain that the warm wind of wet steam carries out heat exchange in the rotating cylinder, can improve heat exchanger dehumidifying effect, shorten drying time, simultaneously can reach miniaturization again, in addition, during the thing one that is dried enters falling rate of drying, owing to produce the supply water temperature reduction of heat exchange action, the warm wind-warm syndrome degree rising that circulates through the peripheral passage for making, further improve the accuracy of detection that detects the thing degree of drying that is dried with such thermal gradient energy at heat exchanger.
In addition, according to the present invention, by described heat exchanger being made the lengthwise type that is roughly, its bottom has the warm wind inlet portion that is connected with rotating cylinder, its top has warm wind export department, the 1st temperature testing organization that detects for the supply water temperature that produces heat exchange action is set near described temperature wind inlet portion, simultaneously near described temperature wind export department, the 2nd temperature testing organization that detects the warm wind-warm syndrome degree of circulation is set, detect the degree of drying of the thing that is dried in the described rotating cylinder with described the 1st temperature testing organization output and the temperature difference of the 2nd temperature testing organization output, make from warm wind export department and enter in the heat exchanger, the warm wind one side that contains the interior wet steam of rotating cylinder rises in heat exchanger, one side is carried out heat exchange with water, the wet steam composition dewfall of Wen Fengzhong, this dew is discharged from warm wind inlet portion with the water supply that produces heat exchange action, the Wen Fengcong temperature wind export department that has dehumidified discharges.Detect the supply water temperature that produces heat exchange action with the 1st temperature testing organization, detect through the peripheral passage the warm wind-warm syndrome degree that circulates, dehumidified, just can detect the degree of drying of the thing that is dried in the rotating cylinder accurately with this temperature difference with the 2nd temperature testing organization.
In addition, according to the present invention, by the 3rd temperature testing organization that detects the warm wind-warm syndrome degree of circulation is set near the rotating cylinder outlet, in order to replace described the 2nd temperature testing organization, detect the degree of drying of the thing that is dried in the described rotating cylinder with described the 1st temperature testing organization output and the temperature difference of the 3rd temperature testing organization output, owing near the rotating cylinder outlet, detect warm wind-warm syndrome degree through the peripheral passage circulation, because of not being subjected to carry out high Precision Detection, thereby can detect the degree of drying of the thing that is dried in the rotating cylinder with higher precision for the supply water temperature that produces heat exchange influences.
Simple declaration to accompanying drawing.
Fig. 1 is the stereogram after the present invention's the 1st embodiment drying device partly dissects,
Fig. 2 is the cutaway view of above-mentioned drying device,
Fig. 3 is the front view of heat exchanger after part is dissectd of above-mentioned drying device,
Fig. 4 is the circuit block diagram of above-mentioned drying device,
Fig. 5 is the stereogram of the present invention's the 2nd embodiment drying device after part is dissectd.
Below, with reference to accompanying drawing to as the embodiment of the invention, have the washing kinetic energy drying device describe.
Embodiment 1 as shown in Figure 1 and Figure 2, on the whole peripheral part that can be configured in the rotating cylinder 1 in the water jacket 3, lay a plurality of limberss 2 with rotating freely, along continuous straight runs roughly, the end of rotating shaft 4 that is arranged on the pivot of rotating cylinder 1 are fixed, but at the lid 5 of the peristome setting freely openable of rotating cylinder 1.With spring body 7 water jacket 3 hangings are being landed in the body 6, the vibration transfer when not making dehydration is carried out vibrationproof supporting with vibrationproof buffer 8 to it to landing on the body 6, simultaneously, and the balancer 9 that vibrates when being set to alleviate dehydration.Heater 10 is used for external groove 3 washed water and heats.
The 1st motor 11 is used to make rotating cylinder 1 by low speed N1 (for example 53rpm) rotation, and the 2nd motor 12 is used to make rotating cylinder 1 to rotate by high speed N2 (for example 1000rpm).With belt 13,14 the 1st motor 11 is linked to each other with driven pulley 15 with the 2nd motor 12 respectively.In addition, the 1st motor 11 and the 2nd motor 12 are to be made of the induction conductivity that is connected to into mutually with capacitor.
As shown in Figure 3, heat exchanger 18 is for having the word shape of falling L of vertical component effect 18a, and the warm wind inlet portion 24 that the water jacket 3 by flexible pipe 17 and encirclement rotating cylinder 1 links to each other is set in its bottom, and warm wind export department 25 is set at an upper portion thereof.Admission port 26 links to each other with the 1st water-supply valve 27 by water hose 28, supplies with the water that produces heat exchange action.Near warm wind inlet portion 24, install the 1st temperature testing organization 29 that detect to produce the heat exchange action feed temperature, near warm wind export department 25, install the 2nd temperature testing organization 30 that detects warm wind-warm syndrome degree in the circulation.In addition, this 1st, the 2nd temperature testing organization 29,30 is made of thermistor.
As shown in Figure 4, control device 31 is used to control the 1st motor the 11, the 2nd motor 12.Control device 32 is made of microcomputer, be used for controlling, a series of washing procedures such as washing, rinsing, dehydration are controlled by 33 pairs of heaters of power switch mechanism the 10, the 1st motor the 11, the 2nd motor 12, warm fan/motor 22, fan electromotor the 23, the 1st water-supply valve the 27, the 2nd water-supply valve 34 and draining pump 35 etc. with formations such as bidirectional triode thyristors.Heater 10 is used to heat the washings in the water jacket 3, and the 2nd water-supply valve 34 is used at the washings of washing procedure in water jacket 3, and the 2nd water-supply valve 34 is used in the draining that washing procedure feeds water in water jacket 3, draining pump 35 is used for water jacket 3 washed water.
Controlling organization 32 be installed in warm wind inlet portion 24 neighbouring, detect and be dried as input, in can temperature difference detection rotating cylinder 1 degree of drying of thing of the output of the 1st temperature testing organization 29 of the supply water temperature that produces heat exchange action and near, the output that detects the 2nd temperature testing organization 30 of warm wind-warm syndrome degree in the circulation that is installed in warm wind export department 25 with the output of the 1st temperature testing organization 29 and the output of the 2nd temperature testing organization 30.
Action in the said structure now is described.In addition, omit the action specification in the washing procedure.
At this moment, make pressure fan 19 rotations, supplying with rotating cylinder 1 with the warm wind of warm wind heater 22 heating, being used to heat the thing that is dried in the rotating cylinder 1 with fan electromotor 23.The side of the Wen Fengcong water jacket 3 that contains the wet steam that the thing that is dried thus takes place because of heating is entered in the heat exchanger 18 through warm wind inlet portion 24 by flexible pipe 17.
In addition, by water hose 28 admission ports 26, for example, with the confluent of 0.4 liter of per minute, heat exchanger 18 feeds water from the 1st water-supply valve 27.26 feedwater that enter are flowed along the bottom surface 18b of heat exchanger 18 from the admission port, and 18c drips from the bottom.The water that drips is loose by the warm wind that enters from warm wind inlet portion 24.
Therefore, enter heat exchanger 18 Wen Fengyu water interior, that contain the wet steam in the rotating cylinder 1 and simultaneously carry out heat exchange from heat exchange 18 interior one side risings together, make the wet steam composition dewfall of Wen Fengzhong.This dew flows to the below with the water supply that produces heat exchange action, discharges from warm wind inlet portion, enters in the water jacket 3 by flexible pipe 17, uses draining pump 35 with outside its discharge machine.In addition, the Wen Fengcong temperature wind export department 25 that has been dehumidified in heat exchange 18 discharges, and, is back in the rotating cylinder 1 by warm wind heater 22 heating by peripheral passage 16, and the thing that is dried in the rotating cylinder 1 is carried out drying.
When the output of the 2nd temperature testing organization 30 of the warm wind-warm syndrome degree that detect through the peripheral passage 16 circulations, dehumidified through preheating and drying, constant rate of drying and during entering falling rate of drying, temperature is to raise and changes.In addition, detect to produce heat exchange action supply water temperature the 1st temperature testing organization 29 output during the preheating and drying, present the variation same (output for the absolute value of temperature, the 2nd temperature testing organization 30 is higher) during the constant rate of drying with the output of the 2nd temperature testing organization 30, yet, during entering falling rate of drying, temperature is reduction and changes.
Its result can detect the degree of drying of the thing that is dried in the rotating cylinder 1 with the temperature difference of the output of the output of the 2nd temperature testing organization 30 and the 1st temperature testing organization 29 more accurately.
In addition, in the above-described embodiments, the action when setting dry trip is described, and the action when the washing stroke that continues enters dry trip too.
The 2nd embodiment will be installed in the 3rd temperature testing organization 44 that thermistor constitutes on the flexible pipe 17 that links to each other with the side of the water jacket 3 that surrounds rotating cylinder 1 as shown in Figure 5, be used for detecting near the outlet of rotating cylinder 1 the warm wind-warm syndrome degree of circulation.
Controlling organization 32 input among Fig. 4 be not that the 2nd temperature testing organization 30 but the output of the 3rd temperature testing organization 44 become the degree of drying with the interior thing that is dried of the temperature difference detection rotating cylinder 1 of the output of the 1st temperature testing organization 29 and the output of the 3rd temperature testing organization 44.Other structure is identical with the foregoing description 1.
Now action describes to said structure.In addition, about warm wind circulated in peripheral passage 16, make the action of the thing drying that is dried in the rotating cylinder 1, because of identical with the foregoing description 1, the Therefore, omited illustrates it.
Because near the outlet of rotating cylinder 1, the occasion that warm wind-warm syndrome degree through peripheral passage 16 circulation is detected is the same with near the output of the 2nd temperature testing organization 30 that detects the warm wind export department 25 of the heat exchanger 18 of the foregoing description 1, during the process preheating and drying, enter during the falling rate of drying during the constant rate of drying, temperature is the variation that raises, compare with near the occasion that the warm wind export department 25 of heat exchanger 18, detects, because of not being subjected to influence, can detect with higher precision into the supply water temperature that produces heat exchange, further improve the accuracy of detection of the degree of drying of the thing that is dried in the rotating cylinder 1.
In sum, hold the thing that is dried according to the present invention by possessing, has the rotating cylinder that is provided with along general horizontal direction, be arranged in the peripheral passage with wind pushing mechanism, the direct heat exchanger that carries out heat exchange with the warm wind that contains wet steam in the rotating cylinder of water, be arranged on the heating arrangements in the above-mentioned peripheral passage, and owing to constituting the degree of drying that detects the thing that is dried in the above-mentioned rotating cylinder with the feed temperature that is provided at above-mentioned heat exchanger generation heat exchange action and the temperature difference of the warm wind-warm syndrome degree that circulates through above-mentioned peripheral passage, water directly carries out heat exchange with the warm wind that contains wet steam in the rotating cylinder, can improve the dehumidifying effect of heat exchanger, combine short drying time, simultaneously can make the heat exchanger miniaturization again, in addition, because one enters during the falling rate of drying of the thing that is dried, then make the supply water temperature decline that produces heat exchange action at heat exchanger, warm wind-warm syndrome degree through peripheral passage circulation rises, with the degree of drying of such thermal gradient energy with the thing that is dried in the high Precision Detection rotating cylinder more.
In addition, according to the present invention because heat exchanger is constituted in its bottom, has the warm wind inlet portion that links to each other with rotating cylinder, the roughly lengthwise shape that has warm wind export department at an upper portion thereof, near described temperature wind inlet portion, install the 1st temperature testing organization that detects the supply water temperature that produces heat exchange action, simultaneously near warm wind export department, install the 2nd temperature testing organization that detects the warm wind-warm syndrome degree of circulation, with the temperature difference of the output of described the 1st temperature testing organization and the output of the 2nd temperature testing organization by the degree of drying that detects the thing that is dried in the above-mentioned rotating cylinder, the warm wind one side that contains wet steam in the rotating cylinder that enters in the heat exchanger from warm wind inlet portion is risen in heat exchange, one side is carried out heat exchange with water, make the wet steam composition dewfall of Wen Fengzhong, this dew is discharged from warm wind inlet portion with the water supply that produces heat exchange action, detect for the supply water temperature that produces heat exchange action with the 1st temperature testing organization, circulate through the peripheral passage with the detection of the 2nd temperature testing organization, the warm wind-warm syndrome degree that has been dehumidified can detect the degree of drying of the thing that is dried in the rotating cylinder accurately with this temperature difference.
In addition, according to the present invention, by near the outlet of rotating cylinder, installing the 3rd temperature testing organization that detects the warm wind-warm syndrome degree of circulation, in order to replace the 2nd temperature testing organization, owing to detect the degree of drying of the thing that is dried in the above-mentioned rotating cylinder with the output of the 1st temperature testing organization and the temperature difference of the 3rd temperature testing organization output, by near the rotating cylinder outlet, detecting warm wind-warm syndrome degree through the peripheral passage, so can not be subjected to for the supply water temperature that produces heat exchange influence, detect accurately, thereby can be with the degree of drying of the thing that is dried in the high Precision Detection rotating cylinder more.
Claims (3)
1. drying device, comprise: hold the thing that is dried, have the rotating cylinder of the rotating shaft that along continuous straight runs is provided with, have wind pushing mechanism, the water that is arranged in the peripheral passage and contain the warm wind of wet steam in the described rotating cylinder and directly carry out the heat exchanger of heat exchange and be arranged on heating arrangements in the described peripheral passage, it is characterized in that the temperature that is used in the described heat exchanger water supply that produces heat exchange action and the temperature difference through the temperature of the warm wind of described peripheral passage circulation detect the degree of drying of the thing that is dried in the described rotating cylinder.
2. device according to claim 1, it is characterized in that, described heat exchange body becomes the lengthwise type, has the warm wind inlet portion that links to each other with described rotating cylinder in its bottom, has warm wind export department at an upper portion thereof, installing detects the 1st temperature testing organization of the supply water temperature that produces heat exchange action near described temperature wind inlet portion, simultaneously installing detects the 2nd temperature testing organization of the warm wind-warm syndrome degree of circulation near described temperature wind export department, and the temperature difference of exporting with described the 1st temperature testing organization output and the 2nd temperature testing organization detects the degree of drying of the thing that is dried in the described rotating cylinder.
3. device according to claim 2, it is characterized in that, near the 3rd temperature testing organization that installing detects the warm wind-warm syndrome degree of circulation described rotating cylinder outlet detects the degree of drying of the thing that is dried in the described rotating cylinder to replace described the 2nd temperature testing organization with described the 1st temperature testing organization output and the temperature difference of the 3rd temperature testing organization output.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP37593/97 | 1997-02-21 | ||
| JP9037593A JPH10235093A (en) | 1997-02-21 | 1997-02-21 | Drying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1191250A CN1191250A (en) | 1998-08-26 |
| CN1097652C true CN1097652C (en) | 2003-01-01 |
Family
ID=12501857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98104493A Expired - Fee Related CN1097652C (en) | 1997-02-21 | 1998-02-20 | Drying device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH10235093A (en) |
| KR (1) | KR100272400B1 (en) |
| CN (1) | CN1097652C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101372805A (en) * | 2007-08-24 | 2009-02-25 | 日立空调·家用电器株式会社 | Drier and washing drier |
| CN101358426B (en) * | 2007-08-03 | 2011-06-08 | 日立空调·家用电器株式会社 | Dring machine and washing drying machine |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4857081B2 (en) * | 2006-11-08 | 2012-01-18 | 日立アプライアンス株式会社 | Drum type washer / dryer |
| DE112008000374T5 (en) * | 2007-02-08 | 2010-03-11 | Lg Electronics Inc. | Hot air generating device and dryer with this |
| CN109387050B (en) * | 2018-11-19 | 2023-12-05 | 江苏德联达智能科技有限公司 | Drying device used in electronic product production process |
| CN113756055B (en) * | 2021-09-28 | 2022-08-19 | 珠海格力电器股份有限公司 | Washing barrel assembly, washing machine and drying and cooling method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2178247Y (en) * | 1993-11-03 | 1994-09-28 | 倪梓明 | Drying machine |
| CN1124801A (en) * | 1994-04-26 | 1996-06-19 | 株式会社东芝 | Dryor |
-
1997
- 1997-02-21 JP JP9037593A patent/JPH10235093A/en active Pending
-
1998
- 1998-02-19 KR KR1019980005099A patent/KR100272400B1/en not_active IP Right Cessation
- 1998-02-20 CN CN98104493A patent/CN1097652C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2178247Y (en) * | 1993-11-03 | 1994-09-28 | 倪梓明 | Drying machine |
| CN1124801A (en) * | 1994-04-26 | 1996-06-19 | 株式会社东芝 | Dryor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101358426B (en) * | 2007-08-03 | 2011-06-08 | 日立空调·家用电器株式会社 | Dring machine and washing drying machine |
| CN102174735B (en) * | 2007-08-03 | 2013-11-13 | 日立空调·家用电器株式会社 | Drying machine and washing and drying machine |
| CN101372805A (en) * | 2007-08-24 | 2009-02-25 | 日立空调·家用电器株式会社 | Drier and washing drier |
| CN101372805B (en) * | 2007-08-24 | 2012-07-18 | 日立空调·家用电器株式会社 | Drier and washing drier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1191250A (en) | 1998-08-26 |
| JPH10235093A (en) | 1998-09-08 |
| KR19980071497A (en) | 1998-10-26 |
| KR100272400B1 (en) | 2000-11-15 |
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