EP2881512B1 - Clothes drier - Google Patents
Clothes drier Download PDFInfo
- Publication number
- EP2881512B1 EP2881512B1 EP13826126.8A EP13826126A EP2881512B1 EP 2881512 B1 EP2881512 B1 EP 2881512B1 EP 13826126 A EP13826126 A EP 13826126A EP 2881512 B1 EP2881512 B1 EP 2881512B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lint filter
- door
- air
- unit
- lint
- 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.)
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- 238000001035 drying Methods 0.000 claims description 105
- 238000007789 sealing Methods 0.000 claims description 26
- 238000012856 packing Methods 0.000 description 11
- 239000000428 dust Substances 0.000 description 10
- 238000011144 upstream manufacturing Methods 0.000 description 8
- 238000010981 drying operation Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 238000007791 dehumidification Methods 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- D06F58/22—Lint collecting arrangements
Definitions
- the present invention relates to a clothes dryer for drying clothes.
- the lint filter is detachably attached to the door.
- a gap produced between the lint filter and the door may cause leakage of circulating drying air from the circulating path.
- a supply amount of the drying air circulating within the circulating path decreases, and deteriorates clothes drying performance within the drying drum.
- lint which has not been caught by the lint filter and has passed therethrough may reach a heat exchanger in the circulating path, and accumulate on the heat exchanger. As a result, heat exchange efficiency of the heat exchanger lowers, and the drying performance further deteriorates.
- DE 85 35 335 U1 relates to a lint filter device for a domestic laundry clothes dryer.
- the lint filter is arranged in an upwardly open chute which is a part of the pot of the loading door of the laundry clothes dryer.
- Housing 110 includes front wall 111, rear wall 112 on a side opposite to front wall 111, left wall 113 standing between front wall 111 and rear wall 112, right wall 114 on a side opposite to left wall 113, and top wall 115 closing an area surrounded by upper edges of these walls 111 to 114.
- Loading port 116 is formed in front wall 111 of housing 110.
- Loading port 116 is a port through which a user loads clothes into housing 110.
- clothes dryer 100 includes door 120 attached to front wall 111.
- Door 120 has opening handle 123.
- Door 120 rotationally shifts between an opened position and a closed position on body coupling hinge 125 (see FIG. 7B ).
- Door 120 shown in FIG. 1 is in the closed position.
- a clothes drying operation performed by the clothes dryer according to this exemplary embodiment is hereinafter described briefly.
- Clothes dryer 100 performs drying operation based on course information output from operation panel 201. At this time, the user shifts door 120 to the opened position in advance, and loads clothes into rotary drum 320 through loading port 116. Thereafter, the user shifts door 120 to the closed position to start the clothes drying operation.
- Rotary drum 320 constituting the drying chamber has a bottomed cylindrical shape.
- Rotary drum 320 is disposed such that an axial center of the rotation axis of rotary drum 320 is horizontal, and that loading port 116 is located on the front surface side.
- first circulating tube 425 the pressure of the working medium flowing through first circulating tube 425 is reduced by expansion valve 424, whereby the temperature of the working medium is reduced to a low temperature.
- the working medium flowing through second circulating tube 426 is compressed by compressor 423, whereby the temperature of the working medium is increased to a high temperature.
- the dehumidified drying air is heated by second circulating tube 426 and fins 428 constituting heater 422 and heated by the high-temperature working medium.
- the drying air becomes high-temperature dry air suitable for drying clothes.
- a structure of lint filter 510 in the clothes dryer according to this exemplary embodiment is hereinafter described with reference to FIGS. 5 to 10B .
- projection 515 is further provided on side surface 512b of frame 512 of lint filter 510 according to this exemplary embodiment so as to secure simplification of attachment and detachment, and a high degree of sealing.
- lint filter 510 When lint filter 510 is not properly accommodated in accommodating unit 121, lint filter 510 has the following structure so as to prevent closure of door 120.
- such a structure is allowed which merely interferes with lock unit 514, for example, prevents locking by lock unit 514 when the user attempts to slide lock unit 514 positioned in the upper portion of lint filter 510 to the locked state in a state where projection 515 has not reached bent portion 128 of guide portion 127.
- This structure allows the user to easily recognize an inaccurate use state. As a result, this structure prevents leakage of air caused by attachment of lint filter 510 to an inaccurate position of accommodating unit 121, thereby improving drying performance.
- the clothes dryer according to the present invention includes a drying chamber that accommodates clothes, a loading port through which the clothes are loaded into and removed from the drying chamber, a door that closes the loading port, and a lint filter that is detachably attached to the door.
- the door includes an accommodating unit that is disposed opposed to the loading port and that accommodates the lint filter.
- the lint filter and the accommodating unit are connected with each other via a sealing unit.
- the sealing unit is inclined with respect to a vertical direction.
- the door includes a guide portion.
- the lint filter includes a projection fitted to the guide portion.
- This structure securely accommodates the lint filter into the accommodating unit without looseness, and reduces separation between the lint filter and the accommodating unit. Moreover, this structure increases tight contact of the sealing unit. Accordingly, this structure prevents leakage of air from a gap between the lint filter and the accommodating unit, and improves drying performance.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Description
- The present invention relates to a clothes dryer for drying clothes.
- A conventional clothes dryer is provided with a yarn waste catcher called lint filter. The lint filter catches lint generated from clothes (for example, see PTL 1 and PTL 2).
- The conventional clothes dryer includes at least a drying drum provided with a loading port through which clothes are loaded, and a door. The drying drum has a bottomed cylindrical shape having the loading port on a front surface side, and a bottom portion on a rear surface side. The drying drum rotates around a rotation axis defined horizontally. The door is opened when a user loads clothes into the drying drum or removes clothes from the drying drum.
- An air supply fan is provided on the rear surface side of the drying drum. Drying air is supplied from the rear surface side of the drying drum to the front surface side thereof by rotation of the air supply fan. The drying air supplied into the drying drum passes through the door and flows through a circulating path formed below the drying drum, and again reaches the air supply fan. Clothes are dried by utilizing circulation of drying air in this manner.
- In this case, the circulating drying air contains lint generated from clothes. The lint generated from clothes reaches the air supply fan or a heater, and causes problems in some cases. To prevent these problems, a lint filter is provided on the door to catch the lint.
- When cleaning the lint filter, the user opens the door, and detaches the lint filter from the door. Then, the user discards foreign matters such as lint caught by the lint filter.
- In the conventional clothes dryer, the lint filter is detachably attached to the door. In this case, if the lint filter is not securely accommodated within the door, a gap produced between the lint filter and the door may cause leakage of circulating drying air from the circulating path. When this leakage occurs, a supply amount of the drying air circulating within the circulating path decreases, and deteriorates clothes drying performance within the drying drum. In addition, lint which has not been caught by the lint filter and has passed therethrough may reach a heat exchanger in the circulating path, and accumulate on the heat exchanger. As a result, heat exchange efficiency of the heat exchanger lowers, and the drying performance further deteriorates.
- Simplification and easiness of attachment and detachment are desired for the lint filter which is repeatedly attached and detached, considering labor of maintenance and the like. In addition, secure sealing is also desired so as to prevent deterioration of drying performance caused by leakage of drying air from a circulating duct. Similarly, excellent sealing is required so as to prevent contamination of an exterior of the clothes dryer by lint or the like contained in drying air and leaked from circulating duct.
-
- PTL 1: Unexamined Japanese Patent Publication No.
2005-177502 - PTL 2:
WO 2005/121437 A -
DE 85 35 335 U1 relates to a lint filter device for a domestic laundry clothes dryer. The lint filter is arranged in an upwardly open chute which is a part of the pot of the loading door of the laundry clothes dryer. - It is an object of the present invention to provide an improved and useful clothes dryer in which the above-mentioned problems are eliminated. In order to achieve the above-mentioned object, there is provided a clothes dryer according to claim 1. Advantageous embodiments are defined by the dependent claims.
- Advantageously, the clothes dryer includes a drying chamber that accommodates clothes, a loading port through which clothes are loaded into and removed from the drying chamber, a door that closes the loading port, and a lint filter that is detachably attached to the door. The door includes an accommodating unit that is disposed opposed to the loading port and that accommodates the lint filter. The lint filter and the accommodating unit are connected with each other via a sealing unit. The sealing unit is inclined with respect to a vertical direction.
- According to this structure, the lint filter is accommodated within the accommodating unit along a sloped surface formed in an inner surface of the accommodating unit of the door. This structure air-tightly seals the sealing unit between the lint filter and the sloped surface of the accommodating unit by utilizing the weight of the lint filter, thereby providing a secure sealing structure between the lint filter and the accommodating unit. Accordingly, this structure prevents leakage of dust such as lint from the interior of an air path where drying air circulates. As a result, this structure facilitates attachment and detachment of the lint filter to and from the accommodating unit of the door, and increases sealing. This structure therefore provides a clothes dryer capable of achieving high drying performance.
-
-
FIG. 1 is a front view of a clothes dryer according to an exemplary embodiment of the present invention. -
FIG. 2 is a cross-sectional side view of the clothes dryer according to the exemplary embodiment. -
FIG. 3 is a rear perspective view of the clothes dryer according to the exemplary embodiment. -
FIG. 4 is a view schematically illustrating a heat pump device of the clothes dryer according to the exemplary embodiment. -
FIG. 5 is a front perspective view of a door of the clothes dryer according to the exemplary embodiment. -
FIG. 6 is a rear perspective view of the door of the clothes dryer according to the exemplary embodiment. -
FIG. 7A is a side view of the door of the clothes dryer according to the exemplary embodiment. -
FIG. 7B is a rear view of the door of the clothes dryer according to the exemplary embodiment. -
FIG. 8 is a cross-sectional view taken along line 8-8 inFIG. 7B . -
FIG. 9A is a cross-sectional side view illustrating a part of the door of the clothes dryer according to the exemplary embodiment. -
FIG. 9B is a cross-sectional side view illustrating a part of the door of the clothes dryer according to the exemplary embodiment. -
FIG. 9C is an enlarged view illustrating a main part of the clothes dryer according to the exemplary embodiment. -
FIG. 10A is a perspective view illustrating an upper part of the door of the clothes dryer according to the exemplary embodiment. -
FIG. 10B is a perspective view illustrating the upper part of the door of the clothes dryer according to the exemplary embodiment. - A clothes dryer according an exemplary embodiment of the present invention is hereinafter described with reference to the drawings. The following description is merely a specific example of the present invention, and therefore does not intend to limit the scope of the present invention.
- A structure of a clothes dryer according to an exemplary embodiment of the present invention is hereinafter described with reference to
FIGS. 1 to 4 . -
FIG. 1 is a front view of the clothes dryer according to the exemplary embodiment of the present invention.FIG. 2 is a cross-sectional side view of the clothes dryer according to the exemplary embodiment.FIG. 3 is a rear perspective view of the clothes dryer according to the exemplary embodiment.FIG. 4 is a view schematically illustrating a heat pump device of the clothes dryer according to the exemplary embodiment. - As illustrated in
FIGS. 1 to 4 ,clothes dryer 100 according to this exemplary embodiment includeshousing 110, and provides a drying function for drying clothes withinhousing 110 by utilizing circulation of drying air. -
Housing 110 includesfront wall 111,rear wall 112 on a side opposite tofront wall 111, leftwall 113 standing betweenfront wall 111 andrear wall 112,right wall 114 on a side opposite to leftwall 113, andtop wall 115 closing an area surrounded by upper edges of thesewalls 111 to 114.Loading port 116 is formed infront wall 111 ofhousing 110.Loading port 116 is a port through which a user loads clothes intohousing 110. - As illustrated in
FIGS. 1 and2 ,clothes dryer 100 includesdoor 120 attached tofront wall 111.Door 120 has openinghandle 123.Door 120 rotationally shifts between an opened position and a closed position on body coupling hinge 125 (seeFIG. 7B ).Door 120 shown inFIG. 1 is in the closed position. - A clothes drying operation performed by the clothes dryer according to this exemplary embodiment is hereinafter described briefly.
- First, the user shifts
door 120 to the opened position by pullingopening handle 123 provided ondoor 120 to the front to open loadingport 116. Then, the user loads clothes intohousing 110 through loadingport 116. Thereafter, the user shiftsdoor 120 to the closed position to close loadingport 116. At this time,door 120 is fixed to the closed position by door lock lever 124 (seeFIG. 7B ). - When
controller 200 shown inFIG. 2 detects the closure ofdoor lock lever 124 to a body side ofclothes dryer 100,controller 200 bringsclothes dryer 100 into a state for starting clothes drying. Then, clothes drying is started to dry the clothes loaded intorotary drum 320 constituting a drying chamber. - Clothes drying is performed by the foregoing operation.
- As illustrated in
FIG. 1 ,clothes dryer 100 according to this exemplary embodiment further includesoperation panel 201.Operation panel 201 is equipped as a part offront wall 111 ofhousing 110. The user is allowed to set various types of operation courses by operatingoperation panel 201. -
Clothes dryer 100 performs drying operation based on course information output fromoperation panel 201. At this time, the user shiftsdoor 120 to the opened position in advance, and loads clothes intorotary drum 320 through loadingport 116. Thereafter, the user shiftsdoor 120 to the closed position to start the clothes drying operation. -
Rotary drum 320 constituting the drying chamber has a bottomed cylindrical shape.Rotary drum 320 is disposed such that an axial center of the rotation axis ofrotary drum 320 is horizontal, and that loadingport 116 is located on the front surface side. - As illustrated in
FIGS. 2 and3 , double-shaft drive motor 310 is provided on a bottom surface ofclothes dryer 100. Drum drivepulley 311 for rotatingrotary drum 320 is provided on frontrotary drive shaft 310a of double-shaft drive motor 310.Drum drive belt 312 fitted to drum drivepulley 311 is attached to an outer circumference ofrotary drum 320. On the other hand, fan drivepulley 313 for rotatingair supply fan 331 is provided on rearrotary drive shaft 310b of double-shaft drive motor 310. A driving force of double-shaft drive motor 310 is transmitted toair supply fan 331 viafan drive belt 314 fitted to fan drivepulley 313. - In this case,
air supply fan 331 disposed on a downstream side ofheat pump device 420 sucks drying air supplied from upstream air-supply path 480. Then,air supply fan 331 delivers drying air to downstream air-supply path 332 offan case 330. - With rotation of double-
shaft drive motor 310, the clothes accommodated intorotary drum 320 is repeatedly agitated, in which the clothes are raised in a rotation direction, and dropped from an appropriate position. At this time, drying air is supplied from circulatingduct 430 intorotary drum 320 in accordance with rotation ofair supply fan 331. - The drying air is then introduced into
rotary drum 320 where the clothes are agitated as described above, and the drying air is caused to efficiently collide with the clothes. As a result, the clothes are dried in an appropriate manner. - As illustrated in
FIG. 2 , circulatingduct 430 for circulating drying air provided inclothes dryer 100 according to this exemplary embodiment includeslint filter 510,filter 482,heat pump device 420, andfan case 330 accommodating the air supply fan.Fan case 330 is coupled withrear plate 117 provided betweenrotary drum 320 andrear wall 112 ofhousing 110.Lint filter 510 accommodated in an accommodating unit ofdoor 120 catches lint.Filter 482 disposed in a lower part ofclothes dryer 100 and on an upstream side ofheat pump device 420 catches foreign matters having passed throughlint filter 510. Circulatingduct 430 further includes upstream air-supply path 480 disposed betweenlint filter 510 andfilter 482. -
Clothes dryer 100 according to this exemplary embodiment includesheat pump device 420 illustrated inFIG. 4 .Heat pump device 420 exchanges heat with drying air having passed throughrotary drum 320 within circulatingduct 430.Heat pump device 420 is disposed on a flow path of drying air flowing fromrotary drum 320 toair supply fan 331.Heat pump device 420 exchanges heat with air flowing towardair supply fan 331, and produces high-temperature and dry air to supply the air torotary drum 320. - Further, as illustrated in
FIG. 4 ,heat pump device 420 includesdehumidifier 421 for dehumidifying air, andheater 422 for heating air. Bothdehumidifier 421 andheater 422 are provided within circulatingduct 430. While drying air passes throughdehumidifier 421 ofheat pump device 420 after passing throughlint filter 510,dehumidifier 421 dehumidifies the drying air and lowers a humidity of the drying air. Then, the dehumidified drying air passes throughheater 422 to be heated. In other words,heat pump device 420 exchanges heat with most drying air having passed throughrotary drum 320 to produce high-temperature and low-humidity drying air used for drying clothes. - The structure of the heat pump device in the clothes dryer according to this exemplary embodiment is hereinafter described in detail with reference to
FIG. 4 . - As illustrated in
FIG. 4 ,heat pump device 420 includes atleast compressor 423,expansion valve 424, first circulatingtube 425, and second circulatingtube 426.Compressor 423 compresses working medium (for example, refrigerant).Expansion valve 424 reduces pressure of the working medium. First circulatingtube 425 guides the working medium flowing fromexpansion valve 424 tocompressor 423. Second circulatingtube 426 guides the working medium flowing fromcompressor 423 toexpansion valve 424. First circulatingtube 425 and second circulatingtube 426 form a closed loop passing throughcompressor 423 andexpansion valve 424. First circulatingtube 425 and second circulatingtube 426 are provided so as to project into circulatingduct 430 which guides air sucked by air blower 410. - Specifically, the pressure of the working medium flowing through first circulating
tube 425 is reduced byexpansion valve 424, whereby the temperature of the working medium is reduced to a low temperature. The working medium flowing through second circulatingtube 426 is compressed bycompressor 423, whereby the temperature of the working medium is increased to a high temperature. - First circulating
tube 425 ofheat pump device 420 is folded multiple times to define a flow path of the working medium within circulatingduct 430. A number of fins are attached to first circulatingtube 425 thus folded. Thus, first circulatingtube 425 andfins 427 within circulatingduct 430 constitutedehumidifier 421 ofheat pump device 420. - Similarly, second circulating
tube 426 ofheat pump device 420 is folded multiple times to define a flow path of the working medium within circulatingduct 430. A number of fins are attached to second circulatingtube 426 thus folded. Second circulatingtube 426 andfins 428 within circulatingduct 430 constituteheater 422 ofheat pump device 420. - The operation of the heat pump device and the flow of drying air in the clothes dryer are now described more specifically.
- First, drying air flowing within circulating
duct 430 is cooled by first circulatingtube 425 andfins 427 constitutingdehumidifier 421 and cooled by the low-temperature working medium. As a result, water vapors within the drying air condense on first circulatingtube 425 andfins 427. The drying air is dehumidified in this manner. - Thereafter, the dehumidified drying air is heated by second circulating
tube 426 andfins 428constituting heater 422 and heated by the high-temperature working medium. As a result, the drying air becomes high-temperature dry air suitable for drying clothes. - In other words,
dehumidifier 421 andheater 422 exchanges heat with air flowing within circulatingduct 430 to produce drying air. - Then,
air supply fan 331 sucks the drying air dehumidified and heated byheat pump device 420, and supplies the drying air to downstream air-supply path 332 offan case 330. The supplied drying air flows through opening 432 ofrear plate 117 intospace 450 between the bottom surface ofrotary drum 320 andrear plate 117. - Thereafter, the drying air flows through a number of ventilation holes (not shown) formed in
bottom wall 321 ofrotary drum 320, and entersrotary drum 320. The drying air thus entered collides with the clothes while passing throughrotary drum 320. This collision between the drying air and the clothes dries the clothes. At this time, the drying air discharged fromrotary drum 320 receives water vapors or the like from the clothes, and the humidity of the drying air rises. Simultaneously, dust containing lint generated from the clothes, hair attached to the clothes and the like are captured, and made to float by the drying air discharged fromrotary drum 320. - Thereafter, the drying air containing dust such as lint and having a high humidity is supplied to door air-supply holes 122 (see
FIG. 6 ) ofaccommodating unit 121 attached to a rear surface ofdoor 120. The drying air supplied to door air-supply holes 122 passes throughlint filter 510. At this time,lint filter 510 catches the dust such as lint floating within the drying air and removes the dust. - The drying air having passed through
lint filter 510 further passes through upstream air-supply path 480, and then throughfilter 482. Then, the lint or the like having passed throughlint filter 510 is caught byfilter 482 and removed. - Thereafter, the drying air flows from
suction introduction port 481 intoheat pump device 420, where the drying air is dehumidified bydehumidifier 421 and heated byheater 422. The drying air dehumidified and heated to high-temperature passes throughsuction discharge port 429. Then, the drying air is again sucked byair supply fan 331, and supplied to downstream air-supply path 332. - The clothes are therefore dried by the drying air allowed to circulate within circulating
duct 430 androtary drum 320 by the operation of the heat pump device and the flow of the drying air described above. - A structure of
lint filter 510 in the clothes dryer according to this exemplary embodiment is hereinafter described with reference toFIGS. 5 to 10B . -
FIG. 5 is a front perspective view illustrating the door of the clothes dryer according to the exemplary embodiment of the present invention.FIG. 6 is a rear perspective view illustrating the door of the clothes dryer according to the exemplary embodiment.FIG. 7A is a side view of the door illustrating the clothes dryer according to the exemplary embodiment.FIG. 7B is a rear view illustrating the door of the clothes dryer according to the exemplary embodiment.FIG. 8 is a cross-sectional view taken along line 8-8 inFIG. 7B .FIGS. 10A and 10B are perspective views illustrating an upper part of the door of the clothes dryer according to the exemplary embodiment. - As described above,
lint filter 510 according to this exemplary embodiment catches dust such as lint floating within drying air discharged fromrotary drum 320. -
Lint filter 510 is inserted intoaccommodating unit 121 ofdoor 120 from above withdoor 120 opened, and is detachably attached toaccommodating unit 121 ofdoor 120. - On the other hand,
filter 482 is inserted from belowfront wall 111 ofhousing 110, for example, and detachably attached tosuction introduction port 481 connected withheat pump device 420 on a downstream side of upstream air-supply path 480.Filter 482 is formed of a sponge material, for example. -
Lint filter 510 and filter 482 are removed fromaccommodating unit 121 ofdoor 120 and from belowfront wall 111 ofhousing 110, respectively. Then, lint accumulated onlint filter 510 andfilter 482 is removed. Maintenance work forlint filter 510 andfilter 482 is achieved in this manner. Moreover, dust such as lint contained in the circulating drying air can be almost completely removed bylint filter 510 andfilter 482. - As illustrated in
FIGS. 6 to 8 ,lint filter 510 at least includesmesh filter 511 constituting a filter unit,frame 512, seal packing 513, andlock unit 514.Mesh filter 511 catches dust such as lint to remove the dust.Frame 512 fixes and holdsmesh filter 511. Seal packing 513 is provided on a rear surface side of lint filter 510 (door air-supply holes 122 side of accommodating unit 121) to function as a sealing unit. In addition, seal packing 513 makes contact with press-contact wall 126 ofaccommodating unit 121 ofdoor 120 shown inFIG. 8 to maintain airtightness betweenaccommodating unit 121 andlint filter 510. Note that the sealing unit is only required to maintain airtightness betweendoor 120 andlint filter 510, and therefore may be provided on adoor 120 side, for example. -
Lock unit 514 provided in an upper portion oflint filter 510 fixeslint filter 510 toaccommodating unit 121 ofdoor 120, to locklint filter 510 thereto. -
Lock unit 514 includeslock mechanism 516 for lockinglint filter 510 todoor 120, andoperation unit 517 for shiftinglock mechanism 516 toward left and right. - As illustrated in
FIG. 7B , whenlint filter 510 is accommodated withinaccommodating unit 121 ofdoor 120,lock unit 514 is locked withoperation unit 517 oflock unit 514 located at a center, and is unlocked withoperation unit 517 slid toward the right and located on a right side. - Specifically, when
operation unit 517 andlock mechanism 516 oflock unit 514 are located at positions shown inFIG. 6 , a position ofrecess 129 ofaccommodating unit 121 does not agree with a position oflock mechanism 516 as indicated by solid line arrow A inFIG. 6 (seeFIG. 10B ). Therefore,lint filter 510 cannot be accommodated withinaccommodating unit 121. For accommodatinglint filter 510,operation unit 517 oflock unit 514 is slid toward the right to shiftlock mechanism 516 toward the right and bringlock unit 514 into an unlocked state, as illustrated inFIG. 6 . In this state,lint filter 510 is inserted intoaccommodating unit 121 ofdoor 120 from above. At this time, the position ofrecess 129 ofaccommodating unit 121 agrees with the position oflock mechanism 516 as indicated by broken line arrow B inFIG. 6 . As a result,lock mechanism 516 oflock unit 514 is fitted intorecess 129 located in an upper portion ofaccommodating unit 121. Whenoperation unit 517 oflock unit 514 is slid toward the left withlock mechanism 516 fitted to recess 129,lock mechanism 516 shifts fromrecess 129 ofaccommodating unit 121 toward the left. As a result,lint filter 510 is accommodated within door 120 (seeFIG. 10A ). This allowslint filter 510 to be securely accommodated withinaccommodating unit 121 ofdoor 120. - As illustrated in
FIG. 7A , communicatingport 130 communicating with upstream air-supply path 480 is formed in a lower portion ofaccommodating unit 121 ofdoor 120 in whichlint filter 510 is accommodated. Accordingly, drying air circulated byair supply fan 331 flows fromrotary drum 320 through door air-supply holes 122 ofdoor 120, and then passes throughlint filter 510 accommodated inaccommodating unit 121. Subsequently, the drying air flows from communicatingport 130 ofaccommodating unit 121 toward upstream air-supply path 480. - Simplification and easiness of attachment and detachment are desired for
lint filter 510 which is repeatedly attached and detached, considering labor of maintenance and the like. In addition, secure sealing is also desired so as to prevent deterioration of drying performance caused by leakage of drying air from circulatingduct 430. Similarly, excellent sealing is required so as to prevent contamination of an exterior ofclothes dryer 100 by lint or the like contained in drying air and leaked from circulatingduct 430. - Therefore,
projection 515 is further provided onside surface 512b offrame 512 oflint filter 510 according to this exemplary embodiment so as to secure simplification of attachment and detachment, and a high degree of sealing. - Operation and effect of
projection 515 provided onlint filter 510 according to this exemplary embodiment are hereinafter described with reference toFIGS. 9A to 9C . -
FIGS. 9A and 9B are cross-sectional side views illustrating a part of the door of the clothes dryer according to the exemplary embodiment.FIG. 9C is an enlarged view of portion C shown inFIG. 9A . - As illustrated in
FIG. 9A ,projection 515 oflint filter 510 shifts along groove-shapedguide portion 127 formed on an inner side ofaccommodating unit 121 ofdoor 120, for example. With this structure,lint filter 510 is guided toward an accurate position ofaccommodating unit 121 ofdoor 120 and accommodated inaccommodating unit 121. In other words, guideportion 127 ofaccommodating unit 121 guidesprojection 515 oflint filter 510, whereby attachment oflint filter 510 toaccommodating unit 121 is facilitated. Moreover,lint filter 510 is accurately attached toaccommodating unit 121, whereby leakage of air caused by attachment oflint filter 510 to an inaccurate position is prevented. - Moreover,
guide portion 127 further includesbent portion 128 in a lower portion (communicatingport 130 side) ofguide portion 127 as illustrated inFIG. 9A .Bent portion 128 is configured such that a predetermined angle is formed byupper portion 128a andlower portion 128b ofbent portion 128. - When
lint filter 510 is accommodated withinaccommodating unit 121 as illustrated inFIG. 9B ,projection 515 shifts toward press-contact wall 126 side ofaccommodating unit 121 by the angle ofbent portion 128. In this case, seal packing 513 oflint filter 510 is pressed against press-contact wall 126 ofaccommodating unit 121, andlint filter 510 is accommodated withinaccommodating unit 121. Accordingly,lint filter 510 is securely accommodated withinaccommodating unit 121 without looseness betweenlint filter 510 andaccommodating unit 121 and without easy separation therebetween. Moreover,bent portion 128 is bent in such a direction as to press seal packing 513 oflint filter 510 against press-contact wall 126 ofaccommodating unit 121. In this case, tight contact betweenlint filter 510 andaccommodating unit 121 produced by seal packing 513 increases. This structure prevents leakage of air from a gap betweenlint filter 510 andaccommodating unit 121, thereby improving drying performance. - As illustrated in
FIG. 8 , press-contact wall 126 ofaccommodating unit 121 in contact with seal packing 513 oflint filter 510 is inclined from accommodatingport 121b ofaccommodating unit 121 toward communicatingport 130 with respect to the vertical direction. In other words,lint filter 510 is inclined so as to ride on a wall surface of press-contact wall 126. Specifically, in the closed state ofdoor 120,upper portion 126a of press-contact wall 126 projects fromlower portion 126b toward loadingport 116. In this case, press-contact wall 126 is inclined such thatlower portion 126b is larger in thickness thanupper portion 126a as viewed in the cross section of press-contact wall 126. In other words, the inner surface ofaccommodating unit 121 forms a sloped surface of a substantially trapezoidal shape (including trapezoidal shape) as viewed in the cross-sectional view. In this case,lint filter 510 is brought into press-contact with press-contact wall 126 ofaccommodating unit 121 by a weight oflint filter 510. As a result, airtightness betweenlint filter 510 andaccommodating unit 121 is further improved by seal packing 513 oflint filter 510 provided on the surface opposed to press-contact wall 126. - Moreover, as illustrated in
FIG. 9A , an attachment surface of seal packing 513 attached tolint filter 510 has a substantially trapezoidal shape (or trapezoidal shape) having a sloped surface which substantially agrees (or agrees) with a reversed shape of the inner surface ofaccommodating unit 121. Specifically, in the closed state ofdoor 120,upper portion 510a of the attachment surface of seal packing 513 oflint filter 510 projects fromlower portion 510b toward loadingport 116. In this case, the weight oflint filter 510 is given in such a direction as to bringlint filter 510 into tight contact with press-contact wall 126, whereby the seal structure is more securely formed. This structure prevents leakage of lint or the like, and leakage of drying air from the air duct ranging from door air-supply holes 122 to communicatingport 130 by a simple seal structure. Accordingly, this structure secures sufficient drying performance allowed by circulation of drying air, and the dehumidification and heating functions ofheat pump device 420. - Furthermore,
lock unit 514 oflint filter 510 disposed in an upper portion offrame 512 securely attaches and fixeslint filter 510 todoor 120. In this case, it is required to properly fixlint filter 510 toaccommodating unit 121 bylock unit 514. - When
lint filter 510 is not properly accommodated inaccommodating unit 121,lint filter 510 has the following structure so as to prevent closure ofdoor 120. - That is, as illustrated in
FIG. 9B , closure ofdoor 120 is allowed in a state whereupper end 512a offrame 512 oflint filter 510 andupper end 121a ofaccommodating unit 121 are substantially in alignment (or in alignment) with each other. On the other hand, whenupper end 512a offrame 512 andupper end 121a ofaccommodating unit 121 do not substantially in alignment with each other,lint filter 510 makes contact with loadingport 116, anddoor 120 cannot be properly closed. - Moreover, when it is attempted to accommodate
link filter 510 intoaccommodating unit 121 withlock unit 514 slid to a locked state as indicated by solid line arrow A inFIG. 6 ,lock mechanism 516 oflock unit 514 interferes withupper end 121a ofaccommodating unit 121. In this case,lint filter 510 cannot be properly accommodated in accommodating unit 121 (seeFIG. 10A ). Therefore, as indicated by broken line arrow B inFIG. 6 ,lock mechanism 516 oflint filter 510 is inserted intorecess 129 ofaccommodating unit 121 in the unlocked state (state whereoperation unit 517 is slid toward the right) oflock unit 514. Then,operation unit 517 oflock unit 514 is slid toward the left to bringlock unit 514 into the locked state (seeFIG. 10B ). -
Lint filter 510 having the foregoing structure prevents closure ofdoor 120 whenlint filter 510 is not properly accommodated inaccommodating unit 121. This structure allows drying operation to be performed while maintaining sufficient sealing betweenlint filter 510 and press-contact wall 126 ofaccommodating unit 121. - Furthermore, this structure prevents attachment of
lint filter 510 to an inaccurate position ofaccommodating unit 121. Accordingly, this structure prevents leakage of air from the press-contact surface betweenlint filter 510 andaccommodating unit 121. In addition, this structure prevents leakage of lint or the like to the outside from the air duct ranging from door air-supply holes 122 to communicatingport 130. As a result, this structure secures the drying function achieved by circulation of drying air and the dehumidification and heating functions provided by the heat pump device. - Note that, such a structure is allowed in which an elastic body such as a spring is disposed in a lower portion of
lock unit 514, for example, so as to prevent closure ofdoor 120 when the user attempts to closedoor 120 without lockinglock unit 514. In this case, iflock unit 514 is in the unlocked state without locking oflock unit 514, an upper end of lock unit 514 (such as upper end of operation unit 517) interferes with loadingport 116 by a push-up force of the spring as an elastic body. Therefore, closure ofdoor 120 is not allowed. For closingdoor 120,lock unit 514 is pushed downward while resisting the elastic repulsive force of the spring. Then, lockunit 514 is slid toward the left to come into the locked state (seeFIG. 10B ) and the upper end oflock unit 514 is lowered to a height not interfering with loadingport 116. This structure more securely attacheslint filter 510 toaccommodating unit 121 while preventing such a problem that lockunit 514 oflint filter 510 is left unlocked. Accordingly, this structure prevents lowering of sealing caused whenlint filter 510 floats upward during drying operation. Moreover, this structure more securely prevents leakage of lint or the like, and leakage of drying air to the outside from the air duct ranging from door air-supply holes 122 to communicatingport 130. Accordingly, this structure secures sufficient drying performance allowed by circulation of drying air, and the dehumidification and heating functions ofheat pump device 420. - In addition,
lint filter 510 includes the elastic body such as the foregoing spring withinlock unit 514 so as to allow locking oflock unit 514 when the upper end offrame 512 and the upper end ofaccommodating unit 121 are substantially in alignment with each other. In this case,lock unit 514 pressed downward by the elastic body comes into contact withaccommodating unit 121 ofdoor 120, andlint filter 510 is pressed downward vialock unit 514. This structure prevents lowering of sealing caused whenlint filter 510 floats upward during drying operation. Moreover, this structure more securely prevents leakage of lint or the like to the outside from the air duct ranging from door air-supply holes 122 to the communicatingport 130. Accordingly, this structure secures sufficient drying performance allowed by circulation of drying air, and the dehumidification and heating functions ofheat pump device 420. - In addition, such a structure is allowed which merely interferes with
lock unit 514, for example, prevents locking bylock unit 514 when the user attempts to slidelock unit 514 positioned in the upper portion oflint filter 510 to the locked state in a state whereprojection 515 has not reachedbent portion 128 ofguide portion 127. This structure allows the user to easily recognize an inaccurate use state. As a result, this structure prevents leakage of air caused by attachment oflint filter 510 to an inaccurate position ofaccommodating unit 121, thereby improving drying performance. - As described above, the clothes dryer according to the present invention includes a drying chamber that accommodates clothes, a loading port through which the clothes are loaded into and removed from the drying chamber, a door that closes the loading port, and a lint filter that is detachably attached to the door. The door includes an accommodating unit that is disposed opposed to the loading port and that accommodates the lint filter. The lint filter and the accommodating unit are connected with each other via a sealing unit. The sealing unit is inclined with respect to a vertical direction.
- According to this structure, the lint filter is accommodated within the accommodating unit along a sloped surface formed in an inner surface of the accommodating unit of the door. This structure air-tightly seals the sealing unit between the lint filter and the sloped surface of the accommodating unit by utilizing the weight of the lint filter, thereby providing a secure sealing structure between the lint filter and the accommodating unit. Accordingly, this structure prevents leakage of dust such as lint from the interior of an air path where drying air circulates. As a result, this structure facilitates attachment and detachment of the lint filter to and from the accommodating unit of the door, and increases sealing. This structure therefore provides a clothes dryer capable of achieving high drying performance.
- According to the clothes dryer of the present invention, the lint filter may include a filter unit that catches lint, and a frame that holds the filter unit. An upper portion of the frame may be thicker than a lower portion of the frame.
- This structure forms the inclined sealing unit. The lower portion of the frame of the lint filter has a tapered shape. Accordingly, this structure further facilitates attachment and detachment of the lint filter to and from the accommodating unit.
- According to the clothes dryer of the present invention, the door includes a guide portion. The lint filter includes a projection fitted to the guide portion.
- According to this structure, the guide portion guides the projection to allow the lint filter to be accommodated in the accommodating unit. Accordingly, this structure facilitates attachment of the lint filter to the accommodating unit. In addition, this structure accurately attaches the lint filter to the accommodating unit. This structure therefore prevents attachment of the lint filter to an inaccurate position of the accommodating unit. Accordingly, this structure prevents displacement of the lint filter from the accommodating unit, with reduction of leakage of drying air, thereby preventing deterioration of drying performance.
- According to the clothes dryer of the present invention, the guide portion further includes is a bent portion. The bent portion is configured to have an upper portion and a lower portion bent into a predetermined angle.
- This structure securely accommodates the lint filter into the accommodating unit without looseness, and reduces separation between the lint filter and the accommodating unit. Moreover, this structure increases tight contact of the sealing unit. Accordingly, this structure prevents leakage of air from a gap between the lint filter and the accommodating unit, and improves drying performance.
- The present invention is advantageous in such fields as clothes dryers where easy attachment and detachment of a lint filter and high airtightness are demanded.
-
- 100 clothes dryer
- 110 housing
- 111 front wall
- 112 rear wall
- 113 left wall
- 114 right wall
- 115 top wall
- 116 loading port
- 117 rear plate
- 120 door
- 121 accommodating unit
- 121a, 512a upper end
- 121b accommodating port
- 122 door air-supply hole
- 123 opening handle
- 124 door lock lever
- 125 body coupling hinge
- 126 press-contact wall
- 126a, 128a, 510a upper portion
- 126b, 128b, 510b lower portion
- 127 guide portion
- 128 bent portion
- 129 recess
- 130 communicating port
- 200 controller
- 201 operation panel
- 310 double-shaft drive motor
- 310a front rotary drive shaft
- 310b rear rotary drive shaft
- 311 drum drive pulley
- 312 drum drive belt
- 313 fan drive pulley
- 314 fan drive belt
- 320 rotary drum (drying chamber)
- 321 bottom wall
- 330 fan case
- 331 air supply fan
- 332 downstream air-supply path
- 410 air blower
- 420 heat pump device
- 421 dehumidifier
- 422 heater
- 423 compressor
- 424 expansion valve
- 425 first circulating tube
- 426 second circulating tube
- 427,428 fin
- 429 suction discharge port
- 430 circulating duct
- 432 opening
- 450 space
- 480 upstream air-supply path
- 481 suction introduction port
- 482 filter
- 510 lint filter
- 511 mesh filter (filter unit)
- 512 frame
- 512b side surface
- 513 seal packing (sealing unit)
- 514 lock unit
- 515 projection
- 516 lock mechanism
- 517 operation unit
Claims (2)
- A clothes dryer (100) comprising:a drying chamber (320) that accommodates clothes;a loading port (116) through which the clothes are loaded into and removed from the drying chamber (320);a door (120) that closes the loading port (116); anda lint filter (510) that is detachably attached to the door (120),wherein the door (120) includes an accommodating unit (121) that is disposed opposed to the loading port (116) and that accommodates the lint filter (510),the lint filter (510) and the accommodating unit (121) are connected with each other via a sealing unit (513), characterized in thatthe sealing unit (513) is inclined with respect to a vertical direction,whereinthe door (120) includes a guide portion (127), andthe lint filter (511) includes a projection (515) fitted to the guide portion (127),whereinthe guide portion (127) further includes a bent portion (128) in a lower portion of the guide portion (127) and configured to have an upper portion and a lower portion bent into a predetermined angle, wherein the sealing unit (513) of the lint filter (510) is pressed against a press-contact wall (126) of the accommodating unit (121).
- The clothes dryer (100) according to claim 1, wherein
the lint filter (510) includes a filter unit (511) that catches lint, and a frame (512) that holds the filter unit (511), and
an upper portion of the frame (512) is thicker than a lower portion of the frame (512).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012170779A JP6043952B2 (en) | 2012-08-01 | 2012-08-01 | Clothes dryer |
PCT/JP2013/004362 WO2014020846A1 (en) | 2012-08-01 | 2013-07-17 | Clothes drier |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2881512A1 EP2881512A1 (en) | 2015-06-10 |
EP2881512A4 EP2881512A4 (en) | 2015-09-23 |
EP2881512B1 true EP2881512B1 (en) | 2017-06-14 |
Family
ID=50027558
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13826126.8A Active EP2881512B1 (en) | 2012-08-01 | 2013-07-17 | Clothes drier |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2881512B1 (en) |
JP (1) | JP6043952B2 (en) |
CN (1) | CN104411876B (en) |
WO (1) | WO2014020846A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6118990B2 (en) * | 2013-09-13 | 2017-04-26 | パナソニックIpマネジメント株式会社 | Washing and drying machine |
CN106894216A (en) * | 2015-12-18 | 2017-06-27 | 青岛海尔洗衣机有限公司 | A kind of lint filter and clothes-drying device |
JP7010625B2 (en) * | 2017-08-08 | 2022-01-26 | 東芝ライフスタイル株式会社 | Clothes dryer |
JP6742284B2 (en) * | 2017-09-13 | 2020-08-19 | 日立グローバルライフソリューションズ株式会社 | Filter unit and washing machine having filter unit |
JP2019050897A (en) * | 2017-09-13 | 2019-04-04 | 日立アプライアンス株式会社 | Filter unit and washing machine including filter unit |
CN111350067B (en) * | 2018-12-24 | 2022-06-21 | 无锡小天鹅电器有限公司 | Door body assembly and clothes dryer |
Citations (3)
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US3320678A (en) * | 1965-01-27 | 1967-05-23 | Gen Electric | Easy clean lint filter |
WO2004098364A2 (en) * | 2003-05-05 | 2004-11-18 | American Dryer Corporation | Combination washer/dryer having a common heat source |
CN2808981Y (en) * | 2005-06-01 | 2006-08-23 | 海尔集团公司 | Filter device and drying washer equipped with the same |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS427118Y1 (en) * | 1965-05-25 | 1967-04-03 | ||
DE3446356C1 (en) * | 1984-12-19 | 1986-03-27 | Bosch-Siemens Hausgeräte GmbH, 8000 München | Lint-filter device in a domestic laundry dryer |
DE8535335U1 (en) * | 1985-12-16 | 1987-05-14 | Bosch-Siemens Hausgeräte GmbH, 8000 München | Lint filter device |
AU2004240201B2 (en) | 2003-12-22 | 2010-06-10 | Lg Electronics Inc. | Condensed water storing apparatus of a dryer |
KR101093988B1 (en) * | 2004-06-05 | 2011-12-15 | 엘지전자 주식회사 | A sealing apparatus of the door lint filter for a drying machine |
KR100700793B1 (en) * | 2004-12-10 | 2007-03-27 | 엘지전자 주식회사 | Lint filter assembly of drum type washing machine for having dry function |
CN2863849Y (en) * | 2005-12-22 | 2007-01-31 | 海尔集团公司 | Thread shred filtering apparatus for dryer and dryer |
JP4729448B2 (en) * | 2006-07-07 | 2011-07-20 | 日立アプライアンス株式会社 | Washing and drying machine |
JP5292222B2 (en) * | 2009-08-24 | 2013-09-18 | 株式会社東芝 | Clothes dryer |
-
2012
- 2012-08-01 JP JP2012170779A patent/JP6043952B2/en active Active
-
2013
- 2013-07-17 WO PCT/JP2013/004362 patent/WO2014020846A1/en active Application Filing
- 2013-07-17 CN CN201380035097.3A patent/CN104411876B/en active Active
- 2013-07-17 EP EP13826126.8A patent/EP2881512B1/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3320678A (en) * | 1965-01-27 | 1967-05-23 | Gen Electric | Easy clean lint filter |
WO2004098364A2 (en) * | 2003-05-05 | 2004-11-18 | American Dryer Corporation | Combination washer/dryer having a common heat source |
CN2808981Y (en) * | 2005-06-01 | 2006-08-23 | 海尔集团公司 | Filter device and drying washer equipped with the same |
Also Published As
Publication number | Publication date |
---|---|
JP2014030474A (en) | 2014-02-20 |
JP6043952B2 (en) | 2016-12-14 |
CN104411876B (en) | 2016-11-23 |
EP2881512A1 (en) | 2015-06-10 |
EP2881512A4 (en) | 2015-09-23 |
CN104411876A (en) | 2015-03-11 |
WO2014020846A1 (en) | 2014-02-06 |
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