EP0940633A2 - Dunstabzugshaube - Google Patents
Dunstabzugshaube Download PDFInfo
- Publication number
- EP0940633A2 EP0940633A2 EP99104376A EP99104376A EP0940633A2 EP 0940633 A2 EP0940633 A2 EP 0940633A2 EP 99104376 A EP99104376 A EP 99104376A EP 99104376 A EP99104376 A EP 99104376A EP 0940633 A2 EP0940633 A2 EP 0940633A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- air
- flaps
- extractor hood
- exhaust
- exhaust air
- 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
Links
Images
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
Definitions
- the invention relates to an extractor hood according to the preamble of claim 1.
- An extractor hood of this type is from the utility model DE-GM 78 02 041 U1 known.
- the radial fan housings are each about one Third of its scope is open. Your open pages face each other. Between they have vertical swivel axes of two flaps. With recirculation mode of the flaps they extend in front of a vertical plane in which the two Rotation axes of the radial fans lie in the radial fans in close to them Rotors and thereby prevent their air flows between the two rotors can get into the rear part of the extractor hood.
- the flaps When the flaps are in the exhaust mode, their free ends extend forward to a front opening edge of the blower housing, so that the Air flows from both radial fans between their rotors into the rear Guide part of the extractor hood.
- the rotor of the radial fan arranged on the right seen in plan view rotates clockwise, and the rotor of the left one Radial blower seen from above in a counterclockwise direction.
- the blowers have spiral casings through which the one formed between them and their rotors Distance in the direction of rotor rotation is increasingly wider.
- a radial fan with spiral casing of this type is also from the utility model DE-G 83 08 512.2 U1 known.
- the bottom of the extractor hoods is usually through one Grid or perforated plate or another air-permeable plate-like element is formed, over which a grease filter is arranged.
- DE utility model 1 987 333 is an extractor hood with a grease filter, an odor filter with activated carbon known for separating odors and a fan, which in this order are arranged in a housing.
- DE utility model 91 05 430.3 an extractor hood is known, in which a fan in the air flow path is arranged between a grease filter and an odor filter.
- Recirculation mode means that the extracted from the extractor hood over a hotplate in a kitchen Air after passing through the grease filter and any, if any Odor filter is poured back into the kitchen.
- Exhaust mode means that the air cleaned in the extractor hood from the kitchen into the Free is headed.
- Extractor hoods according to the invention are used in particular as undercounter hoods Use, which can be mounted under an upper cabinet, which over a hotplate is arranged in the kitchen.
- the object of the invention is to be achieved with a technically simple one Construction to improve the efficiency of the extractor hood.
- the air flow paths of the two fans are separated from one another by the invention kept separate until they flow out of the blowers. Outside the blower Avoided in each mode that the air flows of the two fans against each other bounce. As a result, both on the air intake side and on the air discharge side of the two fans prevents the fans from working against each other and thereby losing energy for air transportation.
- the invention has the advantage that the extractor hood is a simple one Construction with few parts.
- the extractor hood can be manufactured in this way by the factory be that they can be easily selected without the need for many additional parts can be used for recirculation mode or for exhaust air mode.
- Another Advantage of the invention is that the flaps for both recirculation and exhaust air operation serve as walls to limit the air flow, and in the recirculation mode additionally as partitions between the fan outlet air flows and one rear area of the extractor hood.
- the flaps are over their Air axes extend the swivel axes to the rear.
- These air control elements are preferably connected to the flaps or are made to move together with them from a single piece of material so that they are each together can be pivoted with the flaps.
- the air guiding elements serve a similar purpose like the flaps both in the recirculation mode and in the exhaust mode of the flaps as side walls of the air flows. This is no longer necessary with these guide elements Requirement that different additional elements are required for recirculation mode and for exhaust air mode become.
- Figures 1, 2 and 3 each show schematically and in plan view a horizontal one Cross section through an extractor hood 2 according to the invention along the plane I-I of Fig.4.
- the extractor hood 2 has a housing 4 with a front wall 6, Side walls 7, a rear wall 8, a top wall 10 and a bottom 12.
- a left radial blower 14 and a right radial blower are located side by side 16, whose vertical spaced parallel to each other Rotor axes of rotation 18 and 20 are shown schematically.
- the extractor hood 2 is arranged above a hotplate, not shown, in a kitchen.
- the blowers 14 and 16 suck through the air-permeable floor 12 haze or air into the Housing 4 and in the housing 4 by a grease filter, not shown, and, if desired, through an odor filter, and then drive the cleaned air depending on the setting the extractor hood 2 in recirculation mode through recirculation outlet openings 22 and 24 in the front area of the ceiling 10 back into the kitchen according to FIG. 3; or in exhaust air operation according to FIG. 1 through a ceiling exhaust air opening 26 in the ceiling 10 and an exhaust pipe, not shown, connected to it from the kitchen out into the open; or according to an exhaust air operation variant shown in FIG through a rear wall exhaust opening 28 of the rear wall 8 and a connected, Exhaust duct, not shown, from the kitchen to the outside.
- the bottom 12 is air-permeable in the suction area of the blowers 14 and 16, for example formed by expanded metal or a perforated plate or grid.
- the rotors 30 and 32 of the radial blowers 14 and 16 each convey the air tangentially through an air outlet opening 34 and 36 in parallel air flows 38 and 39 from front to back.
- the left rotor rotates counterclockwise 40 and the right rotor 32 rotates clockwise 41, as seen in plan view.
- the housing 42 and 44 of the two fans 14 and 16 are facing each other on their Sides from front to back are curved and converging then through a common partition 48 to the rear to one behind the Extended rotors 30 and 32 located area where on both sides of the partition 48 in rear blower area opening edges 50 and 52 of the housing are arranged. These opening edges 50 and 52 form together with that arranged between them Partition 48 lateral boundaries of the air outlet openings 34 and 36.
- blower duct 54 and 55 which increases in the direction of rotation of the rotor is formed.
- Flaps 60 and 62 are about pivot axes 61 and 63 between one in the figures 1 and 2 shown exhaust air operating position and one shown in Fig.3 Recirculation mode position swiveling.
- the pivot axes 61 and 63 are parallel to the rotor axes 18 and 20 arranged vertically.
- the pivot axes 61 and 63 are located far behind the opening edges 50 and 52.
- the flaps 60 and 62 have such a size that they are in position for exhaust air operation according to FIGS and 2 as far as the fan housings 42 and 44 and one between them
- Exhaust duct section 64 which extends from the air outlet openings 34 and 36 of the two fans extends to the rear.
- Each flap 60 and 62 is through an air baffle 66 and 68 to the opposite Swivel axis side extended.
- Exhaust air operating position of the flaps extends that of flaps 60 and 62 exhaust air section 64 bounded on both sides to the rear up to the rear wall 8, where the rear wall exhaust air opening 28 is located between the air guiding elements 66 and 68. 1, the rear wall exhaust opening 28 is closed while it is open in the exhaust air operation shown in Fig.2.
- the air guiding elements 66 and 68 form the side walls of the one delimited by them on both sides in FIGS Exhaust air section.
- the ceiling exhaust air opening 26 is located between the pivot axes 61 and 63 the flaps 60 and 64 and is open in the exhaust air operation of Fig.1, but in the Exhaust mode variant of Fig. 2 closed.
- an air guide 70 is used, which the of the flaps 60 and 62 delimited exhaust air section 64 upwards and extended to the ceiling exhaust opening 26.
- the air guiding elements 66 and 68 are connected with their flaps 60 and 62 in a manner fixed against movement, consist, for example, together with their flap of a single one Piece of material, so that they are together with the flaps 60 and 62 respectively Pivot axes 61 and 63 are pivotable.
- the ceiling exhaust opening 26 and the rear wall exhaust opening 28 remain during the Production of the housing 4 is preferably closed and are perforated marked at which the removable opening area can be separated.
- the exhaust openings 26 and 28 can already at Formed housing production and then optionally closed with a closure element become.
- the flaps 60 and 62 are together with their air guide elements 66 and 68 about the pivot axes 61 and 63 in the in Fig.3 position shown rotated. In this position, flaps 60 and 62 extend of their pivot axes 61 and 63 towards each other, so that they the exhaust duct section 36 close the back by placing their free flap ends 72 and 73 close together lie at a distance behind the rear end 74 of the partition 48. Die Air guiding elements 66 and 68 extend from the pivot axes 61 and 63 in FIG.
- the two air circulation ducts are identified by arrows 82 and 84 in FIG.
- the air circulation ducts 82 and 84 extend in a horizontal plane.
- the air of the left blower 14 flows from its air outlet opening 34 only to those located in front of the blowers on the left Forced air exhaust ports 22.
- the air from the right blower 16 flows from whose air outlet opening 36 only to the circulating air outlet openings arranged on the right in front of the fans 24th
- a good degree of efficiency is achieved by the invention because the air currents two blowers 14 and 16 neither in the area of their air outlet openings 34 and 36 still at the end of the flow path at the circulating air outlet openings 22 and 24 to disturb.
- Another advantage is that through the partition 48 between the two blowers 14 and 16, the flow path within these blowers 14 and 16 extends over the full 360 degrees of the housing circumference and thereby the blowers have a long flow path within their housing in which they can develop their support.
- the flow conditions of the blowers 14 and 16 remain for exhaust air operation according to FIGS. 1 and 2 and for recirculated air operation according to FIG. 3 each the same, because in both modes of operation the air outlet openings 34 and 36 between the rear end 74 of the partition 48 and the opening edges 50 and 52 remains unchanged.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
Description
- Fig.1
- schematisch in Draufsicht einen Horizontalschnitt durch eine Dunstabzugshaube nach der Erfindung bei Abluftbetrieb mit durch eine Gehäusedecke nach oben abgeleiteter Abluft,
- Fig.2
- schematisch in Draufsicht einen Horizontalschnitt durch die Dunstabzugshaube von Fig.1 bei Abluftbetrieb mit Abführung der Abluft durch eine Rückwand der Dunstabzugshaube,
- Fig.3
- schematisch eine Draufsicht auf einen Horizontalschnitt der Dunstabzugshaube nach den Figuren 1 und 2 bei Umluftbetrieb,
- Fig.4
- verkleinert und perspektivisch eine Außenansicht der Dunstabzugshaube der Figuren 1 bis 3.
Claims (9)
- Dunstabzugshaube mit zwei nebeneinander angeordneten Radialgebläsen (14, 16), deren Luftauslässe (34, 36) nebeneinander und zur gleichen Seite der Dunstabzugshaube hin gerichtet angeordnet sind; mit Klappen (60, 62), welche zwischen einer Stellung für Umluftbetrieb und einer Stellung für Abluftbetrieb um zueinander parallele, vertikale Schwenkachsen (61, 63) verstellbar angeordnet sind, dadurch gekennzeichnet, daß die Luftauslässe (34, 36) der beiden Gebläse (14, 16) auf deren hinteren Seite und in der Dunstabzugshaube nach hinten gerichtet angeordnet sind; daß die Schwenkachsen (61, 63) der Klappen (60, 62) mit Abstand hinter den Luftauslässen(34, 36) angeordnet sind; daß die Klappen (60, 62) eine solche Größe haben, daß sie in Stellung für Abluftbetrieb bis an die Gebläsegehäuse (42, 44) heranreichen und zwischen sich einen Abluftkanalabschnitt (64) begrenzen, welcher sich von den Gebläse-Luftauslässen (34, 36) nach hinten erstreckt, wohingegen die Klappen (60, 62) in Stellung für Umluftbetrieb sich in Dunstabzugshauben-Querrichtung mit Abstand von den Gebläse-Luftauslässen (34, 36) und quer zu diesen erstrecken, so daß sie einen zwischen ihnen und den Gebläse-Luftauslässen (34, 36) verlaufenden Anfangsabschnitt von zwei Umluftkanälen (82,84) begrenzen; daß der eine Umluftkanal (82) sich um den Außenumfang des einen Gebläsegehäuses (42) und der andere Umluftkanal (84) sich um den Außenumfang des anderen Gebläsegehäuses (46) je bis zu Umluftauslaßöffnungen (22, 24) erstreckt, welche vor den Gebläsen (14, 16) in einem Gehäuse (4) der Dunstabzugshaube gebildet sind.
- Dunstabzugshaube nach Anspruch 1, dadurch gekennzeichnet, daß jeder der Umluftkanäle (82, 84) eigene Umluftauslaßöffnungen (22, 24) hat, welche derart angeordnet sind, daß ihre Luftströme nicht gegeneinander prallen.
- Dunstabzugshaube nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Klappen ( 60, 62) um ihre Schwenkachsen (61, 63) zueinander hin schwenkbar sind und eine solche Länge haben, daß sie in einer solchen zueinander hin geschwenkten Stellung für Umluftbetrieb aneinander anliegen und eine Sperrwand bilden, welche die Luft der Luftauslässe (34, 36) daran hindert, in den hinteren Teil der Dunstabzugshaube zu strömen.
- Dunstabzugshaube nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß für jede Klappe (60, 62) ein sie zur entgegengesetzten Schwenkachsenseite hin verlängemdes Luftleitelement (66, 68) vorgesehen ist, welche bei Positionierung der Klappen auf Abluftbetrieb den von diesen Klappen (60, 62) beidseitig begrenzten Abluftwegabschnitt (64) in Richtung zur hinteren Dunstabzugsseite hin verlängem, jedoch bei Umluftbetrieb-Stellung der Klappen einen Abschnitt der Umluftkanäle (82, 84) begrenzen, welcher sich zwischen diesen Luftleitelementen und den Gebläsegehäusen (42, 46) erstreckt.
- Dunstabzugshaube nach Anspruch 4, dadurch gekennzeichnet, daß die Luftleitelemente (66, 68) mit den Klappen (60, 62) drehfest verbunden sind, so daß sie jeweils zusammen mit den Klappen um die Schwenkachsen (61, 63) schwenkbar sind.
- Dunstabzugshaube nach einem der vorhergehenden Ansprüche, gekennzeichnet durch einen wahlweise zwischen die Schwenkachsen (61, 63) einsetzbaren, den zwischen den Klappen (60, 62) in ihrer Abluftbetriebs-Stellung gebildeten horizontalen Abluftkanalabschnitt (64) nach hinten begrenzenden und nach oben umlenkenden Luftleitkörper (70).
- Dunstabzugshaube nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß sie in einer Decke eine wahlweise aufmachbare Abluft-Austrittsöffnung (26) aufweist, welche sich über den Klappen (60, 62) in dem durch ihre Schwenkachsen (61, 63) definierten Abstandsbereich befindet.
- Dunstabzugshaube nach einem der Ansprüche 3 bis 8, dadurch gekennzeichnet, daß in einer Dunstabzugshauben-Rückwand (8) eine wahlweise aufmachbare Abluft-Austrittsöffnung (28) gebildet ist, und daß in Abluftbetriebs-Stellung der Klappen und der Luftleitelemente diese Luftleitelemente (66, 68) mit ihren von den Schwenkachsen entfernten freien Enden bis zu der Dunstabzugshauben-Rückwand (8) reichen und den von den Klappen (60, 62) beidseitig begrenzten Abluftkanalabschnitt (64) bis zu dieser Abluft-Austrittsöffnung (28) verlängern.
- Dunstabzugshaube nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die beiden Luftauslässe (34, 35) in Gebläseumfangsrichtung je einerseits durch einen Gehäuserandteil (50, 52) und eine zwischen diesen Gehäuserandteilen angeordnete vertikale Trennwand (48) begrenzt sind, welche die Luftströme in den beiden Radialgebläsen (14, 16) voneinander trennt und sich von vorne nach hinten mindestens bis zu einer theoretischen Tangentenverbindung an der Rückseite der beiden Gebläse-Rotoren (30, 32) erstreckt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19809559 | 1998-03-05 | ||
DE19809559A DE19809559A1 (de) | 1998-03-05 | 1998-03-05 | Dunstabzugshaube |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0940633A2 true EP0940633A2 (de) | 1999-09-08 |
EP0940633A3 EP0940633A3 (de) | 2000-11-22 |
EP0940633B1 EP0940633B1 (de) | 2003-07-02 |
Family
ID=7859891
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99104376A Expired - Lifetime EP0940633B1 (de) | 1998-03-05 | 1999-03-04 | Dunstabzugshaube |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0940633B1 (de) |
DE (2) | DE19809559A1 (de) |
ES (1) | ES2201582T3 (de) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102261690A (zh) * | 2011-09-09 | 2011-11-30 | 宁波舜韵电子有限公司 | 一种外排和内循环式薄型抽油烟机 |
US8074637B2 (en) * | 2004-06-23 | 2011-12-13 | Panasonic Corporation | High frequency heating apparatus having a range hood |
CN102563731A (zh) * | 2011-09-09 | 2012-07-11 | 宁波舜韵电子有限公司 | 一种外排和内循环抽油烟机 |
EP2535647A1 (de) | 2011-06-16 | 2012-12-19 | Miele & Cie. KG | Dunstabzugshaube für einen Herd oder eine Kochstelle |
EP2789921A1 (de) * | 2013-04-09 | 2014-10-15 | Silverline Küchengeräte und Handel GmbH | Dunstabzugshaube |
EP2955450A1 (de) * | 2014-06-12 | 2015-12-16 | Miele & Cie. KG | Plattformeinrichtung für eine dunstabzugshaube |
CN105570158A (zh) * | 2016-02-18 | 2016-05-11 | 广东美的厨房电器制造有限公司 | 吸油烟机及其风机组件 |
CN105673567A (zh) * | 2016-02-18 | 2016-06-15 | 广东美的厨房电器制造有限公司 | 吸油烟机及其风机组件 |
US20170016629A1 (en) * | 2014-09-12 | 2017-01-19 | Wuhu Midea Kitchen Appliances Manufacturing Co., Ltd. | Range hood and volute casing thereof |
CN107023867A (zh) * | 2017-05-03 | 2017-08-08 | 广东美的厨房电器制造有限公司 | 应用于双风机吸油烟机的油烟引流结构和双风机吸油烟机 |
EP3348912A4 (de) * | 2015-09-08 | 2019-03-27 | Guangdong Midea Kitchen Appliances | Bereichshaube |
CN109595645A (zh) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | 一种近吸式吸油烟机 |
CN109595639A (zh) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | 一种近吸式吸油烟机 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7802041U1 (de) * | 1978-01-24 | 1978-05-03 | G. Bauknecht Gmbh, Elektrotechnische Fabriken, 7000 Stuttgart | Dunstabzugshaube |
US5230327A (en) * | 1992-07-28 | 1993-07-27 | Jang Sun Sing | Kitchen smoke exhauster |
-
1998
- 1998-03-05 DE DE19809559A patent/DE19809559A1/de not_active Withdrawn
-
1999
- 1999-03-04 DE DE59906137T patent/DE59906137D1/de not_active Expired - Lifetime
- 1999-03-04 EP EP99104376A patent/EP0940633B1/de not_active Expired - Lifetime
- 1999-03-04 ES ES99104376T patent/ES2201582T3/es not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7802041U1 (de) * | 1978-01-24 | 1978-05-03 | G. Bauknecht Gmbh, Elektrotechnische Fabriken, 7000 Stuttgart | Dunstabzugshaube |
US5230327A (en) * | 1992-07-28 | 1993-07-27 | Jang Sun Sing | Kitchen smoke exhauster |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8074637B2 (en) * | 2004-06-23 | 2011-12-13 | Panasonic Corporation | High frequency heating apparatus having a range hood |
EP2535647A1 (de) | 2011-06-16 | 2012-12-19 | Miele & Cie. KG | Dunstabzugshaube für einen Herd oder eine Kochstelle |
DE102011051103A1 (de) | 2011-06-16 | 2012-12-20 | Miele & Cie. Kg | Dunstabzugshaube für einen Herd oder eine Kochstelle |
CN102261690A (zh) * | 2011-09-09 | 2011-11-30 | 宁波舜韵电子有限公司 | 一种外排和内循环式薄型抽油烟机 |
CN102563731A (zh) * | 2011-09-09 | 2012-07-11 | 宁波舜韵电子有限公司 | 一种外排和内循环抽油烟机 |
JP2014524007A (ja) * | 2011-09-09 | 2014-09-18 | 寧波舜韵電子有限公司 | 外排出と内循環の薄型レンジフード |
EP2789921A1 (de) * | 2013-04-09 | 2014-10-15 | Silverline Küchengeräte und Handel GmbH | Dunstabzugshaube |
EP2955450A1 (de) * | 2014-06-12 | 2015-12-16 | Miele & Cie. KG | Plattformeinrichtung für eine dunstabzugshaube |
US10060634B2 (en) * | 2014-09-12 | 2018-08-28 | Wuhu Midea Kitchen Appliances Manufacturing Co., Ltd. | Range hood and volute casing thereof |
US20170016629A1 (en) * | 2014-09-12 | 2017-01-19 | Wuhu Midea Kitchen Appliances Manufacturing Co., Ltd. | Range hood and volute casing thereof |
EP3348912A4 (de) * | 2015-09-08 | 2019-03-27 | Guangdong Midea Kitchen Appliances | Bereichshaube |
US10578316B2 (en) | 2015-09-08 | 2020-03-03 | Guangdong Midea Kitchen Appliances Manufacturing Co., Ltd. | Range hood |
CN105673567A (zh) * | 2016-02-18 | 2016-06-15 | 广东美的厨房电器制造有限公司 | 吸油烟机及其风机组件 |
CN105570158A (zh) * | 2016-02-18 | 2016-05-11 | 广东美的厨房电器制造有限公司 | 吸油烟机及其风机组件 |
CN107023867A (zh) * | 2017-05-03 | 2017-08-08 | 广东美的厨房电器制造有限公司 | 应用于双风机吸油烟机的油烟引流结构和双风机吸油烟机 |
CN109595645A (zh) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | 一种近吸式吸油烟机 |
CN109595639A (zh) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | 一种近吸式吸油烟机 |
CN109595639B (zh) * | 2017-09-30 | 2024-01-16 | 宁波方太厨具有限公司 | 一种近吸式吸油烟机 |
CN109595645B (zh) * | 2017-09-30 | 2024-01-16 | 宁波方太厨具有限公司 | 一种近吸式吸油烟机 |
Also Published As
Publication number | Publication date |
---|---|
EP0940633A3 (de) | 2000-11-22 |
DE59906137D1 (de) | 2003-08-07 |
EP0940633B1 (de) | 2003-07-02 |
DE19809559A1 (de) | 1999-09-09 |
ES2201582T3 (es) | 2004-03-16 |
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