EP1630478A1 - Dunstabzugshaube - Google Patents

Dunstabzugshaube Download PDF

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Publication number
EP1630478A1
EP1630478A1 EP04107003A EP04107003A EP1630478A1 EP 1630478 A1 EP1630478 A1 EP 1630478A1 EP 04107003 A EP04107003 A EP 04107003A EP 04107003 A EP04107003 A EP 04107003A EP 1630478 A1 EP1630478 A1 EP 1630478A1
Authority
EP
European Patent Office
Prior art keywords
suction port
exhaust hood
regulating member
driving motor
canopy portion
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.)
Granted
Application number
EP04107003A
Other languages
English (en)
French (fr)
Other versions
EP1630478B1 (de
Inventor
Sung-Bae Song
Seung-Jo Baek
Sang-Bum Sohn
Je-Jun Lee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP1630478A1 publication Critical patent/EP1630478A1/de
Application granted granted Critical
Publication of EP1630478B1 publication Critical patent/EP1630478B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes
    • F24C15/2021—Arrangement or mounting of control or safety systems

Definitions

  • the present invention relates to an exhaust hood, and more particularly to, an exhaust hood which is installed above a range so as to discharge foul air, such as heat, vapor, food odor, etc., produced when cooking, to the outside of a room.
  • foul air such as heat, vapor, food odor, etc.
  • a hood as an air exhaustion apparatus is installed above a cooking stove, that is, a range, so as to exhaust foul air, such as heat, vapor, food odor, etc., produced when cooking food, to the outside of a room, thereby keeping the room comfortable.
  • Fig. 1 is a bottom perspective view illustrating a prior art exhaust hood
  • Fig. 2 is a side view illustrating an installation structure of the prior art exhaust hood.
  • the prior art exhaust hood 10 comprises a duct portion 11 that houses an air blower 20 therein and is secured to an indoor wall 30 and a canopy portion 12 that is installed at the bottom of the duct portion 11 at a predetermined spacing from a range 50.
  • the canopy portion 12 is formed in such a shape that is relatively wider than the duct portion 11, and has a suction port 12a formed at a lower part thereof, and the suction port 12a has a filter 13 installed thereto.
  • the air blower 20 is operated to suck foul air produced when cooking through the suction port 12a of the canopy portion 12, and discharge the sucked foul air to the outside of a room through the duct portion 11.
  • the width of the canopy portion 12 may be relatively larger than that of a cooking area, that is, an area where food is placed, in order to quickly discharge foul air produced when cooking to the outside of the room.
  • a cooking area that is, an area where food is placed
  • the width of the canopy portion 12 is larger, a kitchen space becomes narrower.
  • the width of the canopy portion should be very restricted in consideration of a kitchen space.
  • the size of the suction port formed at a lower part of the canopy portion is also restricted. This makes it hard to quickly and effectively discharge foul air produced when cooking cannot to the outside of the room, thereby contaminating the room air.
  • an object of the present invention is to provide an exhaust hood which can quickly discharge foul air produced when cooking to the outside of a room and prepare a pleasant indoor environment by properly regulating the opening degree of a suction port located right above food being cooked without having to make the size of a canopy portion large.
  • an exhaust hood comprising: a duct portion; a canopy portion installed at the bottom of the duct portion, and provided at the lower surface with a suction port ; a suction port opening regulating means installed within the canopy portion and for regulating the opening of the suction port according to the position of food; and a plurality of temperature sensor portions installed at lower parts of the canopy portion so as to sense heat of food and drive the suction port opening regulating means according to the result of sensing.
  • the suction port opening regulating means for the exhaust hood comprises: a regulating member horizontally and slidably installed within the canopy portion; a driving portion secured to the canopy portion so as to drive the regulating member; and power transmission units for converting the rotary motion of the driving portion into the vertical motion of the regulating member.
  • One example of the power transmission unit may comprise: a pinion secured to a rotary shaft of the driving portion; and a rack formed on the top surface of the regulating member so as to engage with the pinion.
  • the driving portion is supported by a bracket, and the bracket is secured to the inside of the canopy portion by bolts.
  • Rail grooves are formed on the inner surfaces of both sides of the canopy portion, and rail protuberances are formed on the outer surfaces of both sides of the regulating member.
  • Fig. 3 is a longitudinal sectional view illustrating an exhaust hood according to a first embodiment of the present invention.
  • Fig. 4 is a perspective view of essential parts of the exhaust hood according to the first embodiment of the present invention.
  • Figs. 5A to 5C show the exhaust hood according to the first embodiment of the present invention, wherein Fig. 5A is a longitudinal sectional view of front and rear parts of a suction port when opened, Fig. 5B is a longitudinal sectional view of the front part of the suction port when opened, and Fig. 5C is a longitudinal sectional view of the rear part of the suction port when opened.
  • the exhaust hood 100 comprises: a duct portion 110; a canopy portion 120 installed at the bottom of the duct portion 110 and provided at the lower surface with a suction port 121; a suction port opening regulating means 130 installed within the canopy portion 120 and for regulating the opening of the suction port 121 according to the position of food; and a plurality of temperature sensor portions 141 and 142 installed at lower parts of the canopy portion 120 so as to sense heat of food and drive the suction port opening regulating means 130 according to the result of sensing.
  • the duct portion 110 is secured to a kitchen inner wall 30 by general engaging means, for example, bolts (not shown).
  • the top part of the duct portion 110 is connected to an exhaust duct (not shown) connecting to the outside of the room, the bottom part of the duct portion 110 is connected to the canopy portion 120, and the duct portion 110 has an air blower 111 installed therein.
  • the canopy portion 120 is constructed of a structure having a relatively larger width than the duct portion so that it can quickly suck and discharge foul air produced when cooking.
  • the spacing between the canopy portion 120 and the range 500 is maintained a proper distance, for example, generally 600 to 650 mm, so as not to make cooking inconvenient.
  • the range 500 known as a cooking stove is provided with a plurality of burner portions, for example, a first burner portion 501 and a second burner portion 502. Depending on a user's selection, either the first burner 501 or the second burner 502 can be used, or both of the first burner portion 501 and second burner portion 502 can be used.
  • the first sensor portion 141 and second sensor portion 142 are installed respectively at the front side and rear side of the canopy portion 120.
  • the first temperature sensor portion 141 and second sensor portion 142 sense heat of food cooked in the first burner portion 501 or second burner portion 502, and drive the suction port opening regulating means 130 according to the result of sensing.
  • the suction port opening regulating means 130 regulates the opening degree of the suction port 121 formed at the lower part of the canopy portion 120 according to the result of sensing of the first temperature sensor 141 and second temperature sensor 142 as set forth above, to quickly discharge foul air produced when cooking to the outside of the room, thereby maintaining a pleasant room air.
  • the suction port opening regulating means for the exhaust hood comprises: a regulating member 131 horizontally and slidably installed within the canopy portion 120; a driving portion 132 secured to the canopy portion 120 so as to drive the regulating member 131; and power transmission units 133 and 134 for converting the rotary motion of the driving portion 132 into the vertical motion of the regulating member 131.
  • the driving portion 132 a general driving motor is used.
  • the power transmission unit 133 and 134 comprises a pinion 133 secured to a rotary shaft 132a of the driving portion, i.e., driving motor 132 and a rack 134 formed on the top surface of the regulating member 131 so as to engage with the pinion 133.
  • the rack 134 is longitudinally formed on the top surface of the regulating member 134 in a vertical direction of the canopy portion 120, and the pinion 131 is engaged with the rack 134, being fitted to the rotary shaft 132a of the driving motor 132.
  • the driving motor 132 is supported by a bracket 135, and the bracket 135 is secured to the inside of the canopy portion 120 by bolts (not shown).
  • Rail grooves 137 are longitudinally formed on the inner surfaces of both sides of the canopy portion 120 in the vertical direction thereof so that the regulating member 131 can slide in the vertical direction of the canopy portion 120.
  • Rail protuberances 138 are longitudinally formed on the outer surfaces of both sides of the regulating member 131 in the vertical direction thereof so as to correspond to the rail grooves 138.
  • the foul air produced when cooking contains fine food particles.
  • the inside of the canopy portion 120 or duct 110 may be contaminated and the food particles may be rotten to give off odors.
  • a sound insulation material 131a is installed within the regulating member 131 in order to block noise produced when operating the air blower 111.
  • both first sensor portion 141 and second sensor portion 141 sense heat of the food.
  • the driving motor 132 is driven, the regulating member 131 is slidably moved along the rail grooves 137 by the pinion 133 secured to the rotary shaft 132a of the driving motor 132 and the rack 134 engaging with the pinion 133.
  • both sides of the suction port 121 that is, both of the front and rear parts of the suction port 121 are opened, and through this open space, foul air produced when cooking is quickly discharged out of the room by a suction force of the air blower 111.
  • the respective temperature sensor portions 141 and 142 sense heat of foods mounted respectively on multiple burner portions installed at the range 500, that is, on the first burner portion 501 or second burner portion 502, and regulates, i.e., varies the opening of the suction port 121 by moving the regulating member 131, to quickly discharge a larger quantity of foul air to the outside of the room, thereby keeping the room pleasant.
  • Fig. 6 is a longitudinal sectional view illustrating an exhaust hood according to a second embodiment of the present invention.
  • Fig. 7 is a perspective view of essential parts of the exhaust hood according to the second embodiment of the present invention.
  • Figs. 8A to 8C show the exhaust hood according to the second embodiment of the present invention, wherein Fig. 8A is a longitudinal sectional view of front and rear parts of a suction port when opened, Fig. 8B is a longitudinal sectional view of the front part of the suction port when opened, and Fig. 8C is a longitudinal sectional view of the rear part of the suction port when opened;
  • the exhaust hood 200 comprises: a duct portion 210; a canopy portion 220 installed at the bottom of the duct portion 210 and provided at the lower surface with a suction port 221; a suction port opening regulating means 230 installed within the canopy portion 220 and for regulating the opening of the suction port 221 according to the position of food; and a plurality of temperature sensor portions 240 installed at lower parts of the canopy portion 220 so as to sense a temperature of a position of the canopy portion 220 and drive the suction port opening regulating means 230 according to the result of sensing.
  • the suction port opening regulating means 230 of the exhaust hood comprises a bracket 231 secured to the inside of the canopy portion 220, a first driving motor 232 supported by the bracket 231, a second driving motor 233 installed adjacent to the first driving motor 232, a first regulating member 234 rotatably coupled to a rotary shaft 232a of the first driving motor 232 so as to selectively open some parts of the suction port 221, and a second regulating member 235 rotatably coupled to a rotary shaft 233a of the second driving motor 233 so as to selectively open other parts of the suction port 221.
  • the first driving motor 232 and second driving motor 233 are secured leaning against each other.
  • a first securing hole 234a is formed at one side of the first regulating member 234 so as to insert the rotary shaft 232a of the first driving motor 232 thereinto
  • a second securing hole 235a is formed at one side of the second regulating member 235 so as to insert the rotary shaft 233a of the second regulating member 235 thereinto.
  • the first regulating member 234 and second regulating member 235 shut the suction port 221, being spread out horizontally relative to the rotary shaft 23a and rotary shaft 235a, respectively.
  • the first regulating member 234 rotates at a predetermined angle relative to the rotary shaft 234a by the operation of the first driving motor 232 to thus open some parts of the suction port 221
  • the second regulating member 235 rotates at a predetermined angle relative to the rotary shaft 235a to thus open some parts of the suction port 221.
  • both first sensor portion 241 and second sensor portion 242 sense heat of the food.
  • both first driving motor 232 and second driving motor 233 are driven, the regulating member 234 secured to the rotary shaft 232a of the first driving motor 232 rotates at a predetermined angle relative to the rotary shaft 234a and at the same time, the second regulating member 235 secured to the rotary shaft 235a of the second driving motor 235 rotates at a predetermined angle relative to the rotary shaft 235a, to thus open the front and rear parts of the suction port 221.
  • foul air produced when cooking is quickly discharged out of the room by a suction force of the air blower 211.
  • Fig. 9 is a longitudinal sectional view illustrating an exhaust hood according to a third embodiment of the present invention.
  • Fig. 10 is a bottom perspective view showing an open state of a front part of a suction port in the exhaust hood according to the third embodiment of the present invention.
  • Fig. 11 is a bottom perspective view showing an open state of a rear part of the suction port in the exhaust hood according to the third embodiment of the present invention.
  • the exhaust hood 300 comprises: a duct portion 310; a canopy portion 320 installed at the bottom of the duct portion 310 and provided at the lower surface with a suction port 321; a suction port opening regulating means 330 installed within the canopy portion 320 and for regulating the opening of the suction port 321 according to the position of food; and a plurality of temperature sensor portions 340 installed at lower parts of the canopy portion 320 so as to sense a temperature of a position of the canopy portion 320 or a temperature of heat of food and drive the suction port opening regulating means 330 according to the result of sensing.
  • the suction port opening regulating means 330 of the exhaust hood comprises a bracket 331 secured to the inside of the canopy portion 320, a driving motor 332 supported by the bracket 331, and a regulating member 333 supported by the bracket 331 and for regulating the opening of the suction port 321 while rotating at a predetermined angle by the driving motor 332.
  • Auxiliary suction ports 321 are formed at both sides of the bottom surface of the canopy portion 320, and a suction hole 333a is formed at the regulating member 333.
  • the temperature sensor portions each can sense heat of hood being cooked on a plurality of burners, for example, a first burner portion or second burner portion, installed at the range, and regulate, i.e., vary the position of the suction port by moving the regulating member, to quickly discharge a larger quantity of foul air to the outside of the room, thereby keeping the room pleasant.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)
EP04107003A 2004-08-16 2004-12-27 Dunstabzugshaube Not-in-force EP1630478B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020040064386A KR100565253B1 (ko) 2004-08-16 2004-08-16 레인지용 후드

Publications (2)

Publication Number Publication Date
EP1630478A1 true EP1630478A1 (de) 2006-03-01
EP1630478B1 EP1630478B1 (de) 2011-09-21

Family

ID=35455998

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04107003A Not-in-force EP1630478B1 (de) 2004-08-16 2004-12-27 Dunstabzugshaube

Country Status (2)

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EP (1) EP1630478B1 (de)
KR (1) KR100565253B1 (de)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1669679A1 (de) * 2004-12-09 2006-06-14 Lg Electronics Inc. Lufteinlassregelung für Küchenhaube
NL2002405C2 (nl) * 2009-01-09 2010-07-13 Bos Exclusieve Fornuizen B V Afzuiginstallatie en werkwijze voor het variëren van een fluïdumstroom over het oppervlak van de inlaat.
CN101799183A (zh) * 2009-02-11 2010-08-11 Lg电子株式会社 包括排气罩的微波炉
EP2249087A3 (de) * 2009-04-30 2012-01-11 BSH Bosch und Siemens Hausgeräte GmbH Dunstabzugshaube mit Abdeckungen für Luftdurchlassflächen
EP2330355B1 (de) 2009-12-01 2015-08-12 Indesit Company S.p.A. Kochoberfläche und Kontrollmethode dieser Kochoberfläche
EP2955449A1 (de) * 2014-06-11 2015-12-16 Applianza S.A Dunstabzug
EP3009747A1 (de) * 2014-10-15 2016-04-20 Miele & Cie. KG Dunstabzugshaube und verfahren zum betreiben einer dunstabzugshaube
CN106918062A (zh) * 2015-12-25 2017-07-04 北京奇虎科技有限公司 基于抽油烟机的温度控制方法、装置及抽油烟机
CN109654557A (zh) * 2018-12-24 2019-04-19 马鞍山浩科金属制品有限公司 一种便于清理油污且可调节性广的吸油烟机
US11466866B2 (en) 2019-10-28 2022-10-11 Lg Electronics Inc. Kitchen hood with front facing vent

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101291412B1 (ko) * 2006-12-27 2013-07-30 엘지전자 주식회사 후드 겸용 전자 레인지
KR102053799B1 (ko) * 2019-06-28 2019-12-09 (주)한빛엔지니어링건축사사무소 공동주택의 주방용 레인지 후드장치

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1258687A1 (de) * 2001-05-17 2002-11-20 Brandt Cooking Abzugshaube und Steuerverfahren für ein Abzugsystem
US20040035411A1 (en) * 2000-08-10 2004-02-26 Andrey Livchak Device and method for controlling/balancing flow fluid flow-volume rate in flow channels
DE10245403B3 (de) * 2002-09-28 2004-04-22 Miele & Cie. Kg Rückstauklappe zur Anordnung in einem Abluftweg, insbesondere einer Dunstabzugsvorrichtung
EP1426694A2 (de) * 2002-11-21 2004-06-09 Futurum Ab Vorrichtung für eine Klappe

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040035411A1 (en) * 2000-08-10 2004-02-26 Andrey Livchak Device and method for controlling/balancing flow fluid flow-volume rate in flow channels
EP1258687A1 (de) * 2001-05-17 2002-11-20 Brandt Cooking Abzugshaube und Steuerverfahren für ein Abzugsystem
DE10245403B3 (de) * 2002-09-28 2004-04-22 Miele & Cie. Kg Rückstauklappe zur Anordnung in einem Abluftweg, insbesondere einer Dunstabzugsvorrichtung
EP1426694A2 (de) * 2002-11-21 2004-06-09 Futurum Ab Vorrichtung für eine Klappe

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1669679A1 (de) * 2004-12-09 2006-06-14 Lg Electronics Inc. Lufteinlassregelung für Küchenhaube
NL2002405C2 (nl) * 2009-01-09 2010-07-13 Bos Exclusieve Fornuizen B V Afzuiginstallatie en werkwijze voor het variëren van een fluïdumstroom over het oppervlak van de inlaat.
CN101799183A (zh) * 2009-02-11 2010-08-11 Lg电子株式会社 包括排气罩的微波炉
EP2249087A3 (de) * 2009-04-30 2012-01-11 BSH Bosch und Siemens Hausgeräte GmbH Dunstabzugshaube mit Abdeckungen für Luftdurchlassflächen
EP2330355B1 (de) 2009-12-01 2015-08-12 Indesit Company S.p.A. Kochoberfläche und Kontrollmethode dieser Kochoberfläche
EP2955449A1 (de) * 2014-06-11 2015-12-16 Applianza S.A Dunstabzug
EP3009747A1 (de) * 2014-10-15 2016-04-20 Miele & Cie. KG Dunstabzugshaube und verfahren zum betreiben einer dunstabzugshaube
CN106918062A (zh) * 2015-12-25 2017-07-04 北京奇虎科技有限公司 基于抽油烟机的温度控制方法、装置及抽油烟机
CN109654557A (zh) * 2018-12-24 2019-04-19 马鞍山浩科金属制品有限公司 一种便于清理油污且可调节性广的吸油烟机
US11466866B2 (en) 2019-10-28 2022-10-11 Lg Electronics Inc. Kitchen hood with front facing vent
US11473783B2 (en) 2019-10-28 2022-10-18 Lg Electronics Inc. Kitchen hood with height adjustment
US11573010B2 (en) 2019-10-28 2023-02-07 Lg Electronics Inc. Self-cleaning kitchen hood
US11629861B2 (en) * 2019-10-28 2023-04-18 Lg Electronics Inc. Kitchen hood with slim profile

Also Published As

Publication number Publication date
KR100565253B1 (ko) 2006-03-30
EP1630478B1 (de) 2011-09-21
KR20060015972A (ko) 2006-02-21

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