EP0575681A1 - Absaughaube mit einem ausziehbaren Einlassrohr und Filtereintritt - Google Patents

Absaughaube mit einem ausziehbaren Einlassrohr und Filtereintritt Download PDF

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Publication number
EP0575681A1
EP0575681A1 EP92440083A EP92440083A EP0575681A1 EP 0575681 A1 EP0575681 A1 EP 0575681A1 EP 92440083 A EP92440083 A EP 92440083A EP 92440083 A EP92440083 A EP 92440083A EP 0575681 A1 EP0575681 A1 EP 0575681A1
Authority
EP
European Patent Office
Prior art keywords
suction
duct
hood
hood according
head
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.)
Withdrawn
Application number
EP92440083A
Other languages
English (en)
French (fr)
Inventor
Christian Baldauff
Jean-Pierre Bec
Christian Redelsperger
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.)
Compagnie Europeenne pour lEquipement Menager SA
Original Assignee
Compagnie Europeenne pour lEquipement Menager SA
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 Compagnie Europeenne pour lEquipement Menager SA filed Critical Compagnie Europeenne pour lEquipement Menager SA
Publication of EP0575681A1 publication Critical patent/EP0575681A1/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • F24C15/2078—Removing cooking fumes movable
    • F24C15/2085—Removing cooking fumes movable adjustable in height
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area

Definitions

  • the present invention relates to an improved extractor hood with extendable suction tube and removable and filtering end mouth for suction, grease retention and evacuation of the fumes produced on a work surface, in particular a table. Cooking.
  • the invention relates to a hood with a filtering suction mouth, the position of which is adjustable in height relative to the hob.
  • An extractor hood for example to be placed above a hob in a domestic or industrial kitchen, conventionally consists of a suction mouth provided with an inlet grille, occupying all or one part of the underside of the device, of a suction group connected to an electrical or electronic control device, of a filter element, for example by one or more replaceable paper or activated carbon filters, and a suction outlet, either on the upper side or on the top of the rear side of the device.
  • the hood is placed at a fixed distance above the work surface where the volatile fumes to be evacuated are born, so as to offer good suction efficiency.
  • the suction surface of the hood is of dimensions smaller than those of the hob. It is located at a minimum distance from the latter to intercept and then evacuate more fumes.
  • This minimum distance is limited by the size of the device and by the space which must remain free for the work and the evolution of the user.
  • retractable or "drawer” type hoods have been designed.
  • this is a panel swivel which is part of the cover in the folded state and occupies an inclined position during operation, thus forming an extension in the manner of a canopy.
  • the extension of the suction volume is obtained by a horizontal plane which is extracted from the body of the hood in the manner of a drawer.
  • hoods generally present comes from the need to frequently replace the filter element. Indeed, it quickly clogs with deposits, especially greasy, during the passage of charged and smoked vapors. The efficiency of the hood then decreases significantly due to the pressure drop caused by fouling.
  • the adaptation to a device poses problems of space at the level of the suction mouth, and of efficiency, because the complex path and the significant slowdown imposed on the fumes from their entry into the appliance generate a significant pressure drop.
  • the aspiration diagram can be notably improved by a sufficient extent and an adapted conformation of the gutter underside.
  • a first object of the invention consists in suppressing the changes in direction of the aspirated flow and the rejected flow.
  • An additional aim is to be able to easily integrate the mechanical assembly into a series of tall pieces of furniture, and more particularly to be able to constitute its facade by a tall piece of furniture and thus have an additional storage space.
  • Another aim is to provide sufficient distance for ease of movement and comfort of the user.
  • Yet another object is to offer the user the possibility of choosing the suction level himself by varying the position of the suction mouth and adapting it to his needs. For example, for a large clearance it is preferable increase the evacuation efficiency by bringing the hood entry as close as possible to the place of vapor emission. When not in use, for reasons of aesthetics and / or tightness compared to the outside, it is preferable to retract the hood as much as possible.
  • the general aim of the invention is to remedy the aforementioned drawbacks by designing an improved suction hood of the telescopic type with an end suction head provided with a filter element of the labyrinth filter type, hood in which the suction head is removable and washable, for example in a dishwasher.
  • the general inventive idea consists in providing a hood in the form of two telescopic tubes, the movable tube of which has at its lower end. a suction mouth. It then consists in associating at the end of the movable evacuation tube of the hood a suction mouth with removable and washable filter and in incorporating a fixed lower support in the form of a panel serving as a drain, the conformation of the underside has a central recessed area in which the mouth is erased in the high position, gutter panel having a surface and a conformation of the underside making it possible to increase the suction volume.
  • a hood 1 according to the invention is placed in a kitchen above a hob 2 surrounded by low furniture such as 3 and 4 ( Figure 5).
  • the hood will generally be fixed to the wall, for example between two elements of wall cupboards such as 5 and 6, or itself integrated into a piece of furniture 7 for a homogeneous aesthetic.
  • It may also include an aesthetic body making it possible to hide the fixed central tube in order to constitute an assembly adapted to the general aesthetic line of a kitchen.
  • the hood 1 is placed at a sufficient height above the cooking surface 2 so that its mouth does not constitute discomfort for the user in its extreme low position.
  • the hood 1 proper comprises a fixed central tube 8 secured at its lower end to a fixed support serving as a deflector.
  • This panel-type support plays the role of drain. It will be referred to below as a drain panel 9.
  • the fixed central tube 8 forms with a movable tube a telescopic tubular assembly 10 ending at its lower end by a suction head 11, and at its other end by a suction group 12 for the extraction-evacuation of vapors and smoke in a waterproof technical box 13 in communication with the outside by a strain of connection which may be arranged in line, that is to say in axial extension of the telescopic tubular assembly 10, as shown in the figures, or lateral, on the rear face or on one of the lateral faces.
  • the suction group 12 is formed by a turbine powered by a motor (not shown), electrically or electronically controlled.
  • the telescopic tubular assembly 10 carries at its lower end the drain panel 9 of generally rectangular shape, the underside of which is shaped according to a central zone with a conical cavity 14 for reception having a central recess, crossed by the telescopic assembly 10, and in which a portion of the suction head 11 is erased in the extreme high position.
  • a suitable configuration of the underside makes it possible to significantly increase the suction volume.
  • the sliding of the movable conduit 17 in the fixed conduit 15 is ensured by means of guiding in translation, for example slides such as 19, with, for example, blocking and unblocking at the end of the race, to which means may be added. immobilization in any intermediate position.
  • An electric geared motor or mechanical compensator means causes the vertical displacement of the movable conduit 17 in one direction or the other between an extreme high position (total retraction) and an extreme low position (total extension).
  • the motor means is in direct or reduced engagement on an axial assembly 20 of the screw-nut type converting the rotary movement of the motor into axial translation movement.
  • the filtering suction head 11 is removably mounted at the lower end of the movable duct 17. It has a generally circular shape with suction mouth 21 also circular having an inlet 22 in the form of an annular opening in a strip allowing omnidirectional extraction of vapors and fumes from the hob 2.
  • the filter suction head 11 will be described below.
  • the upper and lower parts form, when fitted, an improved labyrinth filter cylindroconical 30.
  • the filtering suction head 11 is removably mounted by dissociation of one or two component parts at the lower end of the movable conduit by any quick coupling / uncoupling means, for example screwing, type blocking bayonet or other, allowing the user to deposit and wash the filter regularly, for example in a dishwasher.
  • any quick coupling / uncoupling means for example screwing, type blocking bayonet or other
  • the fumes and vapors coming from the hob pass through the labyrinth filter 30 delimited by the lower 23 and upper 27 parts of the suction head 11.
  • the path of the fumes and vapors takes place in the conical volume delimited by the two curved walls with circular symmetry opposite the two upper and lower parts constituting the suction mouth.
  • the suction head consists of the two removable parts forming the upper and lower interior walls of an improved filter 30 of the labyrinth type shaped in the interior volume of the suction head.
  • the upper part or flange 27 is mounted integral or removable on a conical withdrawal shoulder 31 of shape complementary to its underside, constituting the external conformation of extension of the lower end of the movable conduit 17, and is held there, for example by staples 32 as shown in Figure 8, or any other quick attachment means in the case of a removable upper part 27.
  • this upper part protects the lower end face of the movable conduit 17, by collecting fatty deposits and the like.
  • the lower part 23 has the underside a conical central shape 25 arranged concentrically opposite the frustoconical birth of the upper part 27 into which its end penetrates.
  • the interval between the two parts 23 and 27 delimits the annular suction mouth 11.
  • the upper end of the conical central shape 25 of the lower part 23 has a plane junction interface which comes to bear on a complementary support disposed in the central position of the lower inlet of the movable conduit. It will, for example, be a disc 33 held by horizontal arms arranged in spokes.
  • the quick fastening system used will, for example, be of the bayonet type as shown, or any other removable fastening method (Figure 8).
  • the lateral surface of the central cone (25) comprises the pins or tongues 26 arranged in the upright position, that is to say perpendicular to the surface on which they are shaped, in a circular alternating arrangement staggered from a crown to the 'other or shifted alternately according to several crowns, for example four.
  • the lower part 23 has a raised circular peripheral rim 34 directed upwards, forming, with the birth 35 of the central cone 25, an annular gutter 36 in which liquid greases accumulate, settling on the pins of the filter 30 then trickling down the along the walls to the collector formed by this gutter.
  • the annular rim 28 of the upper part 27 has an outer diameter greater than that of the lower part. It is shaped on the underside according to a bevelled entry ramp 37 with a slope relative to the adjacent conformation of the outlet panel 9 in order to better capture and direct the fumes rising from the plane towards the suction inlet. cooking at the entrance of the mouth suction 21.
  • the underside of the drain panel 9 will include a recessed conical central zone 14 into which opens the telescopic assembly 10 making it possible to accommodate the upper part of the suction head 11 which, in its extreme high position, comes disappear in this withdrawal. It therefore does not have a potentially dangerous and unsightly projection in this high retracted position.
  • secondary suction openings such as 38 and 39 are formed through the lateral faces of the double jacket 18 of the movable tubular conduit 17 in order to recover in the position exited from the conduit the fumes and vapors which would not have not been sucked in by the telescopic suction head when it is in a position of partial or maximum extension.
  • the openings 38 and 39 existing through the double envelope 18 of the movable tubular conduit 17 are preferably oblong, that is to say elongated vertically along the axis of symmetry over a sufficient length, in order to suck the best possible smoke in each extension position.
  • These openings constitute secondary air inlets in the extended position of the telescopic assembly.
  • Another important characteristic of the invention relates to the overflow panel 9 acting as a deflector.
  • the central zone extends towards the edges in a curved shape set back 40 with respect to the horizontal plane defined by the external edges, ensuring the connection between the perimeter border 41 and the central zone 14. It is slightly concave with a slight slope included between 5 and 20 °, and preferably around 10 °.
  • the flange 27 has on its periphery a bevel 37 in a slope to deflect the active part of the filter the vapors and fumes arriving along the external face of the outlet panel 9.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)
EP92440083A 1992-06-26 1992-07-09 Absaughaube mit einem ausziehbaren Einlassrohr und Filtereintritt Withdrawn EP0575681A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9208074A FR2692823B1 (fr) 1992-06-26 1992-06-26 Hotte à tube d'aspiration extensible à bouche filtrante d'extrémité.
FR9208074 1992-06-26

Publications (1)

Publication Number Publication Date
EP0575681A1 true EP0575681A1 (de) 1993-12-29

Family

ID=9431383

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92440083A Withdrawn EP0575681A1 (de) 1992-06-26 1992-07-09 Absaughaube mit einem ausziehbaren Einlassrohr und Filtereintritt

Country Status (2)

Country Link
EP (1) EP0575681A1 (de)
FR (1) FR2692823B1 (de)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1418386A2 (de) * 2002-10-31 2004-05-12 Giovanni Paladini Rauch und/oder Dampfabzugseinrichtung für Küchenabzugshauben
EP1798482A2 (de) * 2005-12-13 2007-06-20 Sirius S.P.A. Dunstabzugshaube mit herausziehbarer Filtereinheit
EP1481201B1 (de) * 2002-02-27 2008-02-27 BSH Bosch und Siemens Hausgeräte GmbH ABZUGSHAUBE UND VERFAHREN ZUR ABSAUGUNG UND/ODER AUFREINIGUNG KONTAMINIERTER TRäGERSTOFFE
NL2004636C2 (en) * 2010-04-29 2011-11-01 Intell Properties B V Device and method for controling airflow in an exhaust channel.
EP2309192A3 (de) * 2009-09-25 2011-11-30 Netto Air ApS Abzugsaubenanordnung für Kochapparate
CN107052016A (zh) * 2017-06-06 2017-08-18 福州安辛达环保科技有限公司 一种废气处理机
CN107339726A (zh) * 2017-04-01 2017-11-10 宁波方太厨具有限公司 一种吸油烟机
CN107692535A (zh) * 2017-09-30 2018-02-16 福建金源泉科技发展有限公司 一种除油烟火锅桌及其使用方法
CN108006734A (zh) * 2017-06-07 2018-05-08 宁波方太厨具有限公司 一种油网间隙可变的吸油烟机及其控制方法
CN108800369A (zh) * 2018-09-04 2018-11-13 北京元始天地科技有限公司 一种空气净化一体机
CN108980934A (zh) * 2018-07-17 2018-12-11 绍兴市奥帅电器股份有限公司 一种简洁式油烟机及其制造方法
CN109405002A (zh) * 2017-08-16 2019-03-01 宁波方太厨具有限公司 一种吸油烟机及其控制方法
CN109758844A (zh) * 2017-11-09 2019-05-17 宁波方太厨具有限公司 双层动态滤网机构及具有该机构的吸油烟机
CN109827203A (zh) * 2017-11-23 2019-05-31 宁波方太厨具有限公司 双层滤网机构及具有该机构的吸油烟机
ES2723714A1 (es) * 2018-02-23 2019-08-30 Inoxpan S L Campana extractora de humos con desplazamiento automatico de la cubierta inferior
CN110887090A (zh) * 2019-12-16 2020-03-17 浙江蓝炬星电器有限公司 一种集成灶出风罩用嵌入式安装装置及安装方法
CN113483371A (zh) * 2021-08-02 2021-10-08 杨俊岭 一种具有除湿功能的吸油烟机
CN113834102A (zh) * 2021-09-08 2021-12-24 宁波方太厨具有限公司 一种吸油烟机及其控制方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1139972A (en) * 1966-01-18 1969-01-15 Baird & Tatlock Ltd Improvements relating to fume extraction apparatus
FR2221914A5 (en) * 1973-02-22 1974-10-11 Faivre Robert Vertically movable gas collector hood - has telescopic mechanism for easy working esp. for use in kitchens
FR2575681A1 (fr) * 1985-01-10 1986-07-11 Exactum Handel Bv Hotte d'extraction
DE3920558A1 (de) * 1989-06-23 1991-01-10 Bauknecht Hausgeraete Entlueftungsgeraet fuer einen kuechenherd
FR2671498A1 (fr) * 1991-01-11 1992-07-17 Dietrich Equip Menager Hotte d'aspiration pour un plan de travail.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1139972A (en) * 1966-01-18 1969-01-15 Baird & Tatlock Ltd Improvements relating to fume extraction apparatus
FR2221914A5 (en) * 1973-02-22 1974-10-11 Faivre Robert Vertically movable gas collector hood - has telescopic mechanism for easy working esp. for use in kitchens
FR2575681A1 (fr) * 1985-01-10 1986-07-11 Exactum Handel Bv Hotte d'extraction
DE3920558A1 (de) * 1989-06-23 1991-01-10 Bauknecht Hausgeraete Entlueftungsgeraet fuer einen kuechenherd
FR2671498A1 (fr) * 1991-01-11 1992-07-17 Dietrich Equip Menager Hotte d'aspiration pour un plan de travail.

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1481201B1 (de) * 2002-02-27 2008-02-27 BSH Bosch und Siemens Hausgeräte GmbH ABZUGSHAUBE UND VERFAHREN ZUR ABSAUGUNG UND/ODER AUFREINIGUNG KONTAMINIERTER TRäGERSTOFFE
EP1418386A2 (de) * 2002-10-31 2004-05-12 Giovanni Paladini Rauch und/oder Dampfabzugseinrichtung für Küchenabzugshauben
EP1418386A3 (de) * 2002-10-31 2005-01-12 Giovanni Paladini Rauch und/oder Dampfabzugseinrichtung für Küchenabzugshauben
EP1798482A2 (de) * 2005-12-13 2007-06-20 Sirius S.P.A. Dunstabzugshaube mit herausziehbarer Filtereinheit
EP1798482A3 (de) * 2005-12-13 2011-09-28 Sirius S.P.A. Dunstabzugshaube mit herausziehbarer Filtereinheit
EP2309192A3 (de) * 2009-09-25 2011-11-30 Netto Air ApS Abzugsaubenanordnung für Kochapparate
EP2383526A3 (de) * 2010-04-29 2013-07-03 Intell Properties B.V. Vorrichtung und Verfahren zur Steuerung Luftstrom in einem Abgaskanal.
NL2004636C2 (en) * 2010-04-29 2011-11-01 Intell Properties B V Device and method for controling airflow in an exhaust channel.
WO2018176969A1 (zh) * 2017-04-01 2018-10-04 宁波方太厨具有限公司 一种吸油烟机
CN107339726A (zh) * 2017-04-01 2017-11-10 宁波方太厨具有限公司 一种吸油烟机
CN107339726B (zh) * 2017-04-01 2022-01-14 宁波方太厨具有限公司 一种吸油烟机
CN107052016A (zh) * 2017-06-06 2017-08-18 福州安辛达环保科技有限公司 一种废气处理机
CN107052016B (zh) * 2017-06-06 2018-03-06 深圳科莱环保科技有限公司 一种废气处理机
CN108006734A (zh) * 2017-06-07 2018-05-08 宁波方太厨具有限公司 一种油网间隙可变的吸油烟机及其控制方法
CN108006734B (zh) * 2017-06-07 2023-09-15 宁波方太厨具有限公司 一种油网间隙可变的吸油烟机及其控制方法
CN109405002A (zh) * 2017-08-16 2019-03-01 宁波方太厨具有限公司 一种吸油烟机及其控制方法
CN109405002B (zh) * 2017-08-16 2024-01-16 宁波方太厨具有限公司 一种吸油烟机及其控制方法
CN107692535A (zh) * 2017-09-30 2018-02-16 福建金源泉科技发展有限公司 一种除油烟火锅桌及其使用方法
CN109758844A (zh) * 2017-11-09 2019-05-17 宁波方太厨具有限公司 双层动态滤网机构及具有该机构的吸油烟机
CN109758844B (zh) * 2017-11-09 2024-01-16 宁波方太厨具有限公司 双层动态滤网机构及具有该机构的吸油烟机
CN109827203A (zh) * 2017-11-23 2019-05-31 宁波方太厨具有限公司 双层滤网机构及具有该机构的吸油烟机
CN109827203B (zh) * 2017-11-23 2024-01-16 宁波方太厨具有限公司 双层滤网机构及具有该机构的吸油烟机
ES2723714A1 (es) * 2018-02-23 2019-08-30 Inoxpan S L Campana extractora de humos con desplazamiento automatico de la cubierta inferior
CN108980934A (zh) * 2018-07-17 2018-12-11 绍兴市奥帅电器股份有限公司 一种简洁式油烟机及其制造方法
CN108800369A (zh) * 2018-09-04 2018-11-13 北京元始天地科技有限公司 一种空气净化一体机
CN110887090A (zh) * 2019-12-16 2020-03-17 浙江蓝炬星电器有限公司 一种集成灶出风罩用嵌入式安装装置及安装方法
CN113483371B (zh) * 2021-08-02 2023-05-09 杨俊岭 一种具有除湿功能的吸油烟机
CN113483371A (zh) * 2021-08-02 2021-10-08 杨俊岭 一种具有除湿功能的吸油烟机
CN113834102A (zh) * 2021-09-08 2021-12-24 宁波方太厨具有限公司 一种吸油烟机及其控制方法

Also Published As

Publication number Publication date
FR2692823A1 (fr) 1993-12-31
FR2692823B1 (fr) 1995-05-19

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