WO2003008696A1 - Drum device for home appliance - Google Patents
Drum device for home appliance Download PDFInfo
- Publication number
- WO2003008696A1 WO2003008696A1 PCT/KR2002/001361 KR0201361W WO03008696A1 WO 2003008696 A1 WO2003008696 A1 WO 2003008696A1 KR 0201361 W KR0201361 W KR 0201361W WO 03008696 A1 WO03008696 A1 WO 03008696A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- drum
- reductive
- vibration
- sound insulating
- insulating member
- Prior art date
Links
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
- D06F58/06—Mountings for the rotating drums
-
- 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
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/02—Rotary receptacles, e.g. drums
-
- 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
-
- 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
Definitions
- the present invention relates to a home appliance, and more particularly, to a drum device for minimizing noise from a drum in which washing or drying is in progress in a washing machine or a drying machine.
- the dryer is an apparatus for drying objects, such as laundry, introduced into the drum by blowing air heated by an electric heater or a gas burner.
- the specification takes a drum device used in the dryer as an example for convenience of description.
- the present invention is applicable to any apparatus which uses a drum, such as a washing machine.
- FIG. 1 illustrates a disassembled perspective view of key parts of a related art dryer.
- a drum 1 is installed in a cabinet (not shown) that forms an outside shape ofthe dryer.
- the drum 1 is cylindrical, with opposite opened ends, and has a belt groove 2 along an outside circumference of a middle of the drum 1 for winding a drum belt 4 driven by a motor 3.
- the drum 1 has a drying chamber 5 therein for carrying out drying.
- the drum 1 has a plurality of baffles 6 for turning drying objects in the drying chamber 5. Since the drum 1 has high temperature air circulating inside ofthe drum 1, the drum 1 is in general formed of a metal, for an example, stainless steel.
- Reference numeral 3' denotes a pulley for transmission of power from the motor 3 to the drum belt 4.
- the drum 1 is provided with a front head 7 and a rear head 9 fitted to a front end and a rear end thereof, oppositely.
- the front heat 7 and the rear head 9 close opened parts of the drum 1, to form the drying chamber 5, and support the front end and the rear end ofthe drum 1.
- the front head 7 has an opening 8 for making inside and outside ofthe drying chamber 5 in communication.
- the opening 8 is selectively opened by a door (not shown).
- the rear head 9 is fitted with an air supply duct 12, in communication with the inside of the drying chamber 5 for serving as a passage for supplying air, more precisely, a heated air to the inside ofthe drying chamber 5.
- a lint duct 15 an air escape from the drying chamber 5, at one side of the front head 7 at a bottom of the opening 8 of the front head 7, having a lint filter therein for filtering foreign matters (for example, lint and dust) contained in the air escaping from the drying chamber 5.
- blower 17 connected to the lint duct 15, for drawing air inside of the drying chamber 5 through the lint duct 15.
- the blower 17 is fitted to an inside of a blower housing 18 having one side in communication with the lint duct 15 and the other side connected to an air discharge pipe 19. Therefore, the air, escaped from the drying chamber 5 and passed through the lint duct 15, is discharge to an outside through the air discharge pipe 19 by the blower
- the hot air duct 20 is provided with a system for generating a thermal energy for heating the air.
- the hot air duct 20 has a mixing tube 24, for mixing a gas sprayed from a gas nozzle 22 with a primary air.
- the gas nozzle 22 is fitted to one side of a valve 30 for controlling gas supply.
- the reference numeral 23 denotes a gas supply tube 23 connected to the valve 30.
- the gas nozzle 22 at one side of the valve 30 is fitted to an inlet to the mixing tube 24 opposite thereto.
- the gas sprayed from the gas nozzle 22 and external air introduced through the inlet of the mixing tube 24, i.e., the primary air, are mixed inside ofthe mixing tube 24.
- the drum 1 Upon pressing a starting button after laundry, drying objects, is introduced into the drying chamber 5 in the drum 1, and a door thereon is closed, the drum 1 starts to rotate as the drum belt 4 wound around the belt groove 2 is driven by the motor 3.
- the blower 17 starts, the air inside of the drying chamber 5 is drawn through the lint duct 15.
- external air is introduced into the inside of the drying chamber 5 through the air supply duct 12.
- the air to the air supply duct 12 is heated to a relatively high temperature by heat supplied from the gas burned as the gas passes through the hot air duct 20.
- the hot air is introduced to the inside of the drying chamber 5 in the drum 1 through the air supply duct 12. After absorbing moist contained in the laundry in the drying chamber 5, the hot air escapes the drying chamber 5 owing to a suction power of the blower 17.
- the air is involved in filtering dust and lint as the hot air passes through the lint filter fitted to an inside ofthe lint duct 15.
- the laundry inside of the drum 1 of a metal repeats a process of being lifted and dropped by the baffles 6 as the laundry rotates along with the drum 1.
- fittings to the laundry such as buttons, zippers, clips, collide with a surface of the metallic drum when the laundry drops inside of the drum 1, to generate noise.
- metallic foreign matters such as coin, also drop and collide with the drum surface to generate noise when the drum rotates, which is amplified as the drum acts as a kind of a resonator. Disclosure of Invention
- An object ofthe present invention designed for solving the foregoing various problems, lies on an effective insulation of vibratory noise occurred as fittings to laundry, or metallic foreign matters, collide with an inside surface of the drum in a home appliance during the drum rotates.
- a drum device for a home appliance including a drum having a chamber therein rotatably fitted for carrying out a work, and vibration reductive sound insulating member fitted to the drum for insulating vibratory sound caused by collision of objects flowing inside ofthe chamber with the drum as the drum is rotated.
- the vibration reductive sound insulating member may be fitted around an outside circumferential surface ofthe drum.
- the outside circumferential surface ofthe drum has recesses for fitting the vibration reductive sound insulating members therein.
- a plurality of the vibration reductive sound insulating members may be fitted to the outside surface of the drum in a length direction of the drum.
- the outside circumferential surface of the drum has a plurality of recesses for fitting the vibration reductive sound insulating members therein in a length direction ofthe drum.
- the vibration reductive sound insulating member is formed of an elastic material, preferably butyl rubber.
- the vibration reductive sound insulating member is attached to the outside surface of the drum, and the vibration reductive sound insulating member preferably has a form of sheet.
- the vibration reductive sound insulating member may be a butyl rubber layer added with a sound absorbing material layer, such as a polyester layer.
- the drum device in a home appliance of the present invention can insulate the vibratory sound caused by collision of fittings to laundry and the drum when the drum is rotated, thereby securing silence ofthe home appliance, to enhance a product reliability.
- FIG. 1 illustrates a disassembled perspective view of key parts of a related art dryer
- FIG. 2 illustrates a perspective view of a drum device in a home appliance in accordance with a preferred embodiment ofthe present invention
- FIG. 3 illustrates a perspective view of a system in accordance with another preferred embodiment ofthe present invention. Best Mode for Carrying Out the Invention
- the drum 30 is cylindrical, to form a chamber 31 therein.
- the chamber 31 has laundry introduced thereto, for drying or washing the laundry.
- drum belt 34 wound at one side ofthe groove 32 for driving the drum 30.
- the groove 32 around the outside surface of the drum has an annular form along a circumference
- the groove may be helical along the outside circumferential surface ofthe drum.
- vibration reductive sound insulating member in the groove 32 for insulating vibratory sound caused by collision occurred inside ofthe metallic drum 30.
- the vibration reductive sound insulating member serves to insulate vibratory sound occurred when a hard object collide with the metallic drum 30, effectively.
- the vibration reductive sound insulating member is preferably formed of an elastic material, for example, rubber, or leather, and most preferably, butyl rubber, which has a good processibility, is easy to composite with other material, has an excellent heat resistance, an excellent fire retardancy, and strong vibration reductive capability.
- the butyl rubber is attached around the outside circumferential surface of the drum 30 along the groove 32, to do which an adhesive is coated on one side ofthe butyl rubber 40.
- the vibration reductive sound insulating member may be a composite layer of a butyl rubber layer and a sound absorbing material layer, such as a polyester sheet.
- butyl rubber 40 is attached to a location where the fittings to the laundry collide the most frequently. Though the location may be found by experiment, in general the location is in the vicinity of a middle part ofthe drum 10.
- the butyl rubber 40 has a thickness suitable to the groove 32 such that the butyl rubber 40 is not projected beyond the outside surface of the drum 30, for not affecting rotation ofthe drum 30.
- FIG. 2 illustrates two wound lines of butyl rubber 40.
- a number ofthe wound lines ofthe butyl rubber 40 may differ depending on design conditions.
- FIG. 3 there is a chamber 131 in a cylindrical drum 130.
- the chamber 131 has laundry introduced thereto for, as an example, washing or drying.
- the drum 130 has a drum belt 134 wound around an outside surface of the drum 130 for transmission of power for rotating the drum 130.
- the drum belt 134 is wound in a belt groove 132 formed along an outside circumferential surface of the drum 130.
- butyl rubbers 140 vibration reductive sound insulating members
- the embodiment has a plurality of butyl rubbers 140 attached on both sides of the belt groove 132 in parallel in a length direction of the drum 130.
- Recesses 232 may be formed in the outside surface of he drum 130 for attachment ofthe butyl rubbers 140.
- the present invention has butyl rubber 40, a vibration reductive sound insulating member, attached to the outside surface of the drum 30, for insulating vibratory sound occurred during rotation ofthe drum 30. That is, when the drum 30 is rotated in a state the laundry is introduced into the chamber 31 of a dryer, or a washing machine, the laundry repeats a process of being dropped after lifted to an upper part ofthe chamber 31.
- fittings such as buttons, zippers, and clips of hard materials, such as metal or plastic collide with the inside surface of the drum 30.
- the drum 30 is formed of a metal, such as stainless steel, and has a vacant inside, vibratory sound is generated when the fittings collide with the drum 30.
- vibratory sound can be insulated effectively by the vibration reductive sound insulating member attached to the outside ofthe drum 30.
- the butyl rubber 40 is particularly favorable for the dryer, and the like that has a danger of fire, as the butyl rubber 40 is fire retardant.
- the drum device in a home appliance of the present invention has vibration reductive sound insulating member fitted to an outside surface of a drum for insulating vibratory sound caused by collision of fittings, such as buttons, and the like, with an inside surface of the drum as the laundry is dropped when the drum is rotated, thereby improving silence of a drum type washing machine, or a home appliance, to enhance a product reliability of consumer by one stage higher. Accordingly, the present invention is very useful for industries.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2002319943A AU2002319943B2 (en) | 2001-07-19 | 2002-07-19 | Drum device for home appliance |
EP02749421A EP1407071B1 (en) | 2001-07-19 | 2002-07-19 | Drum device for home appliance |
JP2003515003A JP3902770B2 (en) | 2001-07-19 | 2002-07-19 | Drum equipment for home appliances |
DE60216100T DE60216100T2 (en) | 2001-07-19 | 2002-07-19 | DRUM DEVICE FOR HOUSEHOLD UNIT |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010043485A KR100593635B1 (en) | 2001-07-19 | 2001-07-19 | Drum device for home appliance |
KR2001/43485 | 2001-07-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003008696A1 true WO2003008696A1 (en) | 2003-01-30 |
Family
ID=19712299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2002/001361 WO2003008696A1 (en) | 2001-07-19 | 2002-07-19 | Drum device for home appliance |
Country Status (8)
Country | Link |
---|---|
US (1) | US20030167804A1 (en) |
EP (1) | EP1407071B1 (en) |
JP (1) | JP3902770B2 (en) |
KR (1) | KR100593635B1 (en) |
CN (1) | CN1228496C (en) |
AU (1) | AU2002319943B2 (en) |
DE (1) | DE60216100T2 (en) |
WO (1) | WO2003008696A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1541741A2 (en) * | 2003-12-09 | 2005-06-15 | Lg Electronics Inc. | Laundry dryer |
JPWO2005095274A1 (en) * | 2004-03-31 | 2008-02-21 | ステラケミファ株式会社 | Aggregate of carbon nanotubes, method for forming the same, and biocompatible material |
EP2192222A1 (en) * | 2008-11-27 | 2010-06-02 | BSH Bosch und Siemens Hausgeräte GmbH | Insulation layer and drum for laundry drier |
WO2011080121A1 (en) * | 2009-12-31 | 2011-07-07 | Arcelik Anonim Sirketi | A laundry dryer comprising an integrated plastic base unit |
US8083122B2 (en) | 2003-06-05 | 2011-12-27 | Lg Electronics Inc. | Drum for washer and dryer |
EP3587651A1 (en) * | 2018-06-28 | 2020-01-01 | Miele & Cie. KG | Laundry treating machine comprising a tub or a drum |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050057808A (en) * | 2003-12-11 | 2005-06-16 | 엘지전자 주식회사 | Drum device of dryer |
KR101047232B1 (en) * | 2003-12-09 | 2011-07-06 | 엘지전자 주식회사 | Drum device for home appliance |
KR101093878B1 (en) * | 2004-06-05 | 2011-12-13 | 엘지전자 주식회사 | A drum apparatus of a dryer |
ES2306605B1 (en) * | 2007-04-04 | 2009-06-17 | Bsh Electrodomesticos España, S.A. | DRUM OF A CARE TREATY MACHINE OF CLOTHING. |
DE102008006511A1 (en) * | 2008-01-29 | 2009-07-30 | BSH Bosch und Siemens Hausgeräte GmbH | Laundry drum for a laundry treatment machine |
DE102008009141A1 (en) * | 2008-02-14 | 2009-08-27 | BSH Bosch und Siemens Hausgeräte GmbH | Laundry drum for a laundry treatment machine |
KR101537610B1 (en) * | 2009-02-19 | 2015-07-17 | 엘지전자 주식회사 | Drier |
US20120291302A1 (en) * | 2011-05-16 | 2012-11-22 | Bsh Home Appliances Corporation | Noise-reducing laundry drum for a household appliance |
US8864634B2 (en) * | 2011-05-26 | 2014-10-21 | Innovative Xercise Solutions, Llc | Weight-lifting bar |
US20150368852A1 (en) * | 2014-06-18 | 2015-12-24 | Owens Corning Intellectual Capital, Llc | Vibration damping system |
US10152956B1 (en) * | 2016-01-01 | 2018-12-11 | Kevin Joseph McIntyre | Apparatus for sound volume reduction |
US10738410B2 (en) * | 2018-08-03 | 2020-08-11 | Haier Us Appliance Solutions, Inc. | Rotating component of a laundry appliance with a helical seam |
KR20210003379A (en) * | 2019-07-02 | 2021-01-12 | 삼성전자주식회사 | Clothes dryer and manufacturing method of damping ring for the smae |
DE102021125796A1 (en) | 2021-10-05 | 2023-04-06 | Miele & Cie. Kg | Drum for a clothes dryer and clothes dryer |
CN114836955A (en) * | 2022-05-31 | 2022-08-02 | 海信(山东)冰箱有限公司 | Clothes processor |
Citations (2)
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US5263343A (en) * | 1991-06-12 | 1993-11-23 | Samsung Electronics Co., Ltd. | Insulating structure of a washing machine having a water container cover |
EP0381586B1 (en) * | 1989-02-03 | 1994-12-21 | Esswein S.A. | Method for acoustically insulating noise sources in a dishwasher, and dishwasher using said method |
Family Cites Families (11)
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US2184545A (en) * | 1938-02-12 | 1939-12-26 | Goodrich Co B F | Belt pulley |
US3913828A (en) * | 1971-09-02 | 1975-10-21 | Avco Corp | Reinforcing ultra-centrifuge rotors |
JPH0673935B2 (en) * | 1988-04-01 | 1994-09-21 | ニチアス株式会社 | Damping material and soundproof structure using damping material |
US5216823A (en) * | 1992-03-17 | 1993-06-08 | White Consolidated Industries, Inc. | Bearing and seal assembly for clothes dryer drum |
JP2798569B2 (en) * | 1992-11-25 | 1998-09-17 | 松下電器産業株式会社 | Drying processing equipment |
KR200157097Y1 (en) * | 1996-11-01 | 1999-09-15 | 윤종용 | Vibration absorbing apparatus of a drum washing machine |
US5965851A (en) * | 1997-01-28 | 1999-10-12 | Owens Corning Fiberglas Technology, Inc. | Acoustically insulated apparatus |
CA2208388C (en) * | 1997-06-20 | 2005-06-14 | Camco Inc. | Clothes dryer having noise reduced drum |
GB9908020D0 (en) * | 1999-04-08 | 1999-06-02 | Monotub Plc | Washing machine |
KR100662765B1 (en) * | 2001-01-10 | 2007-01-02 | 주식회사 엘지이아이 | Drum structure for a dryer |
US6807700B2 (en) * | 2002-07-09 | 2004-10-26 | Owens Corning Fiberglass Technology, Inc. | Acoustical laundry tub blanket |
-
2001
- 2001-07-19 KR KR1020010043485A patent/KR100593635B1/en not_active IP Right Cessation
-
2002
- 2002-07-19 EP EP02749421A patent/EP1407071B1/en not_active Revoked
- 2002-07-19 DE DE60216100T patent/DE60216100T2/en not_active Revoked
- 2002-07-19 JP JP2003515003A patent/JP3902770B2/en not_active Expired - Fee Related
- 2002-07-19 CN CNB028024354A patent/CN1228496C/en not_active Expired - Fee Related
- 2002-07-19 US US10/380,037 patent/US20030167804A1/en not_active Abandoned
- 2002-07-19 AU AU2002319943A patent/AU2002319943B2/en not_active Ceased
- 2002-07-19 WO PCT/KR2002/001361 patent/WO2003008696A1/en active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0381586B1 (en) * | 1989-02-03 | 1994-12-21 | Esswein S.A. | Method for acoustically insulating noise sources in a dishwasher, and dishwasher using said method |
US5263343A (en) * | 1991-06-12 | 1993-11-23 | Samsung Electronics Co., Ltd. | Insulating structure of a washing machine having a water container cover |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8083122B2 (en) | 2003-06-05 | 2011-12-27 | Lg Electronics Inc. | Drum for washer and dryer |
US8365437B2 (en) | 2003-06-05 | 2013-02-05 | Lg Electronics Inc. | Drum for washer and dryer |
EP1541741A2 (en) * | 2003-12-09 | 2005-06-15 | Lg Electronics Inc. | Laundry dryer |
EP1541741A3 (en) * | 2003-12-09 | 2009-05-13 | Lg Electronics Inc. | Laundry dryer |
JPWO2005095274A1 (en) * | 2004-03-31 | 2008-02-21 | ステラケミファ株式会社 | Aggregate of carbon nanotubes, method for forming the same, and biocompatible material |
JP5014786B2 (en) * | 2004-03-31 | 2012-08-29 | ステラケミファ株式会社 | Aggregate of carbon nanotubes, method for forming the same, and biocompatible material |
EP2192222A1 (en) * | 2008-11-27 | 2010-06-02 | BSH Bosch und Siemens Hausgeräte GmbH | Insulation layer and drum for laundry drier |
WO2011080121A1 (en) * | 2009-12-31 | 2011-07-07 | Arcelik Anonim Sirketi | A laundry dryer comprising an integrated plastic base unit |
EP3587651A1 (en) * | 2018-06-28 | 2020-01-01 | Miele & Cie. KG | Laundry treating machine comprising a tub or a drum |
Also Published As
Publication number | Publication date |
---|---|
KR20030008649A (en) | 2003-01-29 |
AU2002319943B2 (en) | 2005-09-22 |
DE60216100D1 (en) | 2006-12-28 |
DE60216100T2 (en) | 2007-06-28 |
EP1407071A1 (en) | 2004-04-14 |
CN1464929A (en) | 2003-12-31 |
KR100593635B1 (en) | 2006-06-28 |
US20030167804A1 (en) | 2003-09-11 |
JP2004521717A (en) | 2004-07-22 |
JP3902770B2 (en) | 2007-04-11 |
CN1228496C (en) | 2005-11-23 |
EP1407071B1 (en) | 2006-11-15 |
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