EP2772695A2 - Hotte aspirante - Google Patents

Hotte aspirante Download PDF

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Publication number
EP2772695A2
EP2772695A2 EP14002209.6A EP14002209A EP2772695A2 EP 2772695 A2 EP2772695 A2 EP 2772695A2 EP 14002209 A EP14002209 A EP 14002209A EP 2772695 A2 EP2772695 A2 EP 2772695A2
Authority
EP
European Patent Office
Prior art keywords
hood
air
extractor
insert
cover plate
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
EP14002209.6A
Other languages
German (de)
English (en)
Other versions
EP2772695B1 (fr
EP2772695A3 (fr
Inventor
Thomas Degelo
Marcel Blättler
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.)
V-Zug AG
Original Assignee
V-Zug AG
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 V-Zug AG filed Critical V-Zug AG
Priority to SI201431836T priority Critical patent/SI2772695T1/sl
Priority to EP14002209.6A priority patent/EP2772695B1/fr
Publication of EP2772695A2 publication Critical patent/EP2772695A2/fr
Publication of EP2772695A3 publication Critical patent/EP2772695A3/fr
Priority to AU2015203034A priority patent/AU2015203034A1/en
Priority to CN201510359986.6A priority patent/CN105299720B/zh
Application granted granted Critical
Publication of EP2772695B1 publication Critical patent/EP2772695B1/fr
Active 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
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes

Definitions

  • the present invention relates to a fume hood with a grease filter, a suction system for applying this grease filter with negative pressure to gases to be purified, especially by cooking fumes contaminated air to promote through this grease filter, and with a cover, which the suction effect of the suction system to slit-shaped Limited openings at the edge of the trigger.
  • Extractor hoods with edge extraction are well-known products for private kitchen equipment and are commercially available. Extractor hoods of this kind are typically mounted on a wall above the hob or attached to the ceiling above the hob.
  • fume hoods for home kitchen appliances are usually not designed to be cleaned (daily), for example, by spraying and / or by the use of scouring agents.
  • a vapor extraction device with edge suction which has at least one slit-shaped intake opening for sucked air, which extends along an outer Rands a central air-impermeable cover plate extends, a hood screen with at least one central air-permeable grease filter, which closes a flue or chimney, wherein at least a central portion of the grease filter (and the hood screen) is shielded in operation by the cover plate from a cooking area and the gap-shaped inlet opening is connected by an air channel, the inner boundary surfaces are impermeable surfaces of the hood shield and the airtight cover plate, wherein the boundary surfaces are shaped so that the gap-shaped intake opening opposite boundary surfaces deflecting a entering into the slit-shaped intake air flow by at least 45 degrees, wherein the deflecting parts the boundary surfaces of the air duct opposite the slot-shaped intake opening are at least partially separated from one from the rest of the hood screen and / or the cover plate form the reusable insert part.
  • An element has a shielding effect within the meaning of the invention, if the rectilinear motion of the cooking fumes from the place of its formation, i. the hotplate, the shielded element interrupts and thus forces the sucked air to make a detour through the gap-shaped intake opening.
  • the extractor device is preferably an extractor hood without moving extension, so a hood in which the cover plate and the rest of the hood screen are not moved during operation relative to each other, or in which the gap-shaped intake opening has a constant distance to the grease filter.
  • the cover plate on the extractor device can be movably mounted or disconnected and reusable mounted, in particular in embodiments in which the insert part is partially covered by the cover plate in the ready state, and the separation or re-insertion of the Insert is blocked by the cover plate in its closed ready state.
  • the insert part can not be separated from the rest of the extractor device in the closed, ready-for-use position. Therefore, for cleaning, first the cover plate is moved from an operating position to a maintenance position or separated from the extractor device.
  • the surfaces which limit the air gap and thus deposit more fat residue can be cleaned with the insert separately from the rest of the extractor.
  • the material of the insert is preferably dishwasher safe, e.g. made of stainless steel or a durable plastic.
  • the insert preferably comprises magnetic fasteners which connect the insert releasably to the remainder of the extractor.
  • the attachment means are preferably shaped to prevent slippage of the insert along the hood screen.
  • the insert part preferably has positioning means which cooperate with positioning means on the remainder of the extractor hood and define the position of the insert part during insertion and preferably prevent slippage of the insert part in the inserted state.
  • These positioning means may be, for example, matched positive and negative profiles or contour surfaces on the insert part and the corresponding contact surfaces of the hood screen.
  • the fastening means and the positioning means are combined in one place.
  • the insert becomes accessible and can be cleaned by the user by simply pulling on the magnetic fixture be separated from the extractor device.
  • the insert preferably still has one or more handles.
  • the slot-shaped intake opening is longer and extends, for example, around the cover plate or consists of several sections
  • several insert parts can be used instead of an insert part.
  • the inserts are identical and interchangeable.
  • a longer section of the intake opening for example a circumferential intake gap of a cooker hood suspended over the cooking area, can thus have two or more identical insert parts.
  • the insert part or the insert parts and the grease filter or the grease filter of the extractor device are preferably designed as separate components of the extractor device. However, it may be advantageous for some extractor devices if the grease filter and the insert form a single component, so that the insert forms a preferably air-impermeable extension of the grease filter and is separated with this for cleaning the rest of the extractor device.
  • the insert Due to its function, the insert is arranged at the entrance of the air duct to the central grease filter. It may therefore also have grease, for example in the form of meshes of expanded metal, which extend into the air duct or are arranged transversely to the air duct.
  • the extractor device according to this invention an extractor hood with peripheral edge suction and designed so that it is mounted in the operating state above the cooking position.
  • the cover plate is preferably connected by means of hinges with the rest of the extractor device and is the Cleaning the inserts folded down by the user.
  • the device according to the invention can also be applied to other types of extractor devices, such as table hoods or downdraft hoods.
  • the cover plate can also consist of several sections.
  • the extractor device still has in a known manner in the exhaust duct or chimney on a blower for generating a negative pressure. Furthermore, it can also have further filters mounted in the exhaust duct, particularly in recirculation mode.
  • FIG. 1A A schematic perspective full view of a known extractor hood 10 is in the Figures 1A and 1B shown.
  • the hood consists of a duct or chimney part 11, and a lower, firmly connected to the outlet shaft 11 hood screen 12, to which a hinged cover plate 13 is fixed by hinges. It shows FIG. 1A the extractor hood in the closed state and FIG. 1B the extractor hood in the open state.
  • a cooker hood of this type is installed above a cooking range and may typically be configured in a draft mode or in a recirculation mode. In recirculation mode, the intake air is conveyed through an opening 111 with additional odor-binding filter in the chimney 11 back into the room.
  • the hood shade 12 has an outer frame 120 which on one side (in the example shown, the underside) protrudes beyond the central inner surface and thus forms a peripheral edge on this side.
  • the cover plate 13 serves as an air-impermeable baffle surface, so that in the closed state ( FIG. 1A ) the air is sucked in only by the circumferential gap 121 between the outer edge of the cover plate 13 and the peripheral edge of the frame 120 of the hood screen 12.
  • the cover plate 13 may for example be made of glass, plastic or Metal exist.
  • the cover plate 13 still inwardly directed spacers 131.
  • the dimensions of the spacers 131 define the height of the air channel between the intake nip 121 and the centrally located intake opening into the chimney 11.
  • the air duct is essentially delimited by the inner underside of the hood screen 12 and the inner surface of the cover plate 13 oriented upwards in the closed state.
  • the air passage allows air which is sucked in through the intake nip 121 to flow to the center of the hood screen 12 and to be sucked into the chimney 11 through the grease filter 123.
  • the outer surface of the cover plate 13 is exposed in the operating state directly to the vapors of the cooking area and shields the central portion of the hood with the grease filter 123 against these fumes.
  • FIG. 1A and 1B illustrated and described above elements or functions of a cooker hood are known.
  • an example according to the invention will be described starting from FIG. 1A and 1B described extractor hood 10, wherein elements which are common to the examples or in their function coincide with the same reference numerals FIG. 1A and 1B Marked are.
  • illustrated extractor hood 10 also has a chimney 11, a fixed hood screen 12 and a hinged cover plate 13.
  • the grease filter 123 consists of 3 parts, each one Part can be solved by itself for cleaning the hood screen 12.
  • the illustrated extractor hood 10 further comprises three lamps 122 in the hood screen 12.
  • hood screen 12 On the inner surface of the hood screen 12 five identical inserts 124 are attached. These are mounted on the surface or surfaces of the hood screen 12 between the grease filter 123 and inner edge of the peripheral frame 120. Two of these inserts 124 in a corner of the hood screen 12 are in the enlarged section of FIG. 2 B shown.
  • the inserts 124 are arranged so that they at least largely form the inner surface (s) opposite the air gap 121 at the beginning of the air channel 125 in the ready state of the extractor hood 10, ie when the cover 13 is closed.
  • FIG. 2C shows a vertical section through the center of the hood 10.
  • the hood 10 is designed in this example for wall mounting.
  • the hood shade 12 forms in this variant a substantially U-shaped screen around the central chimney 11, which is mounted directly on the wall.
  • the fan 112 is shown in the chimney 11, with which the kitchen fumes or vapors are sucked through the nip 121 in the hood.
  • the intake to the chimney 11 is covered by the grease filter 123.
  • the grease filter 123 is designed so that it extends over part of the circumferential intake gap 121. In a typical wall mounting of the extractor hood 10, this part of the circumferential intake gap 121 is that part which runs along the wall.
  • the air flows with the blower 112 on are in FIG. 2C indicated by arrows. As shown, the air enters the near-wall region of the intake gap 121 without deflection directly through the grease filter 123 into the chimney compartment.
  • the sucked air after passing through the intake gap 121 is first transported in the air channel 125 between the inner boundary surface of the hood shield 12 and the cover plate 13 in the direction of the chimney 11 and passes there the grease filter 123. It can be observed in that the air which passes through the remaining sections of the intake gap 121 undergoes a deflection immediately after the intake gap.
  • FIG. 3A-3C It is shown which sequence has the deflection of the air in this area and which constitute the advantages of the present invention.
  • the flow of the sucked air is as shown by the arrows.
  • the air flow is drawn through the nip 121 between the hood edge 120 and the cover plate 13 in the air passage 125 which extends between the underside of the hood screen 12 and the top of the cover plate 13.
  • the sucked air passes through the central grease filter 123 and rises in the chimney 11 upwards.
  • FIG. 3A shows the basic elements of a known extractor hood, as for example in FIG. 1 is shown, ie without inserts according to the present invention. Due to the deflection of the sucked air, it comes straight to the wall parts, which lie opposite the nip 121, for increased deposits of residues 30. In the extractor hood after FIG. 3B however, the exposed areas where such deposition 30 occurs are parts of the Insert parts 124 and can be easily separated and cleaned by the user from the rest of the hood in a simple manner and without tools.
  • the insert 124 of FIG. 3B essentially forms a voltage applied to the underside of the hood screen 10 surface in the entrance region of the air channel 125 by the sucked air is deflected.
  • the insert 124 of FIG. 3C On the other hand, in addition, a lattice-shaped expanded metal stretched transversely to the air duct 125, on which residue 30 can likewise be deposited, additionally exists. It should be noted, however, that such an additional grease separator arranged transversely to the air duct 125 may, on the one hand, increase the efficiency of grease separation, but on the other hand reduces the suction power of the extractor hood 10 for a given engine power. Therefore, it may be more advantageous to design the insert 124 so that the air channel 125 remains as free as possible of flow obstructions and (as in the example of FIG. 3B shown) to dispense with additional grease separator at this point.
  • An insert 124 consists essentially of two side plates 124-3, which are connected at their respective opposite edges by a first cross plate 124-1 and a second cross plate 124-2.
  • the first cross-plate 124-1 forms in the inserted state of the insert part 124, the pull-in gap 121 opposite wall surface of the hood screen 12.
  • the second cross plate 124-2 forms a surface which follows the contour of the cover plate 13 in the closed state or contacts, so that in operable state, the sucked air flows substantially through the opening between the two cross plates 124-1, 124-2 and the two side plates 124-3 and then enters the air passage 125.
  • the separation of fat residues from the air happens primarily on the first cross plate 124-1.
  • Parts of a magnetic support 124-4 in the form of a positively shaped profile are also mounted on the first cross-plate 124-1, which at least partially rests on the hood shield 12 in the inserted state of the insert part, with which the insert part 124 on the hood shield 12 (in a correspondingly shaped negative profile) is anchored.
  • FIG.5 the process of removing or reinserting an insert 124 as described in U.S. Pat FIG. 4 is shown.
  • FIG. 5A shows the insert 124 in the inserted and ready state and the cover plate 13 also in the closed and ready for operation.
  • the magnet holder 124-4 is anchored in the hood shield 12 within a recess 126, which is adapted to the positive profile 124-4.
  • the insert 124 can not slip in the lateral direction, ie along the hood screen 12.
  • FIG. 5B shows the insert 124 in a dissolved state of the hood screen 12, wherein the cover plate 13 for removing the insert 124 is already in the open state, ie folded down in the present example.
  • the insert 124 can be released by its simple pull in the direction perpendicular to the main plane of the hood screen 12 from its permanent magnetic anchoring 126, 124-4.
  • FIG. 5C are in the cross-sectional view of FIG. 5B shown elements shown again in a perspective view. An insert 124 is in shown separated state while other inserts 124 are still anchored in the hood screen 12.
  • FIG. 6 an example of a variant of the present invention is shown. Identical or similar elements are again marked with the same reference numerals as in the preceding examples.
  • the example shows an extractor hood 10 with a chimney 11 and a fixed hood shade 12.
  • the central inner area of the hood shade 12 with the chimney 11 is shielded from the hob by a cover plate 13 so that the cooking fumes or vapors only be sucked through a circumferential gap 121 in the hood 10.
  • the example shows FIG. 6
  • the central grease filter 123 is extended so far that its edge areas extend to the parts of the hood screen 12, which lie opposite the pull-in gap 121. In this arrangement, the sucked in operation air flow can be cleaned before the deflection in the direction of the central chimney 11 through the grease filter 123.
  • the central grease filter 123 remains restricted to an inner area substantially defined by the circumference of the chimney 11.
  • the central fat filter 123 after FIG. 6B However, it has air-impermeable edge portions 123-1, which extend to the parts of the hood screen 12, which lie opposite the pull-in gap 121. That is, the deflection of the air sucked in operation from the air gap 120 into the air channel 125 happens before the air flows through the grease filter 123. Deposits, which at the deflecting the air flow, preferably deposited on the air-impermeable edge regions 123-1 of the grease filter 123 from.
  • FIG. 7 It is shown that the present invention can also apply to other extractor devices with a slit-shaped intake opening and subsequent deflection of the intake air, which are not ceiling or wall mounted apply.
  • the example of FIG. 7 represents a (in the vicinity of the hob retractable) table hood or downdraft hood 10, which are known as such. Identical or similar elements are marked with the same reference numerals as in the preceding examples.
  • the example shows a table hood 10 with a chimney 11, a blower 112 and a hood shade 12.
  • the inner area of the hood shade 12 with the grease filter 123 is shielded from the hotplate by a cover plate 13 so that the cooking vapors resp Vapors are sucked into the hood 10 only by a horizontal gap 121 running at the upper edge of the table hood. From there, the sucked air is deflected in the vertical in this example air passage 125 between the cover plate 13 and the hood screen 12. As indicated by the arrows, the sucked air then passes through the grease filter 123.
  • the wall region of the hood screen 12, which lies opposite the pull-in gap 121, has an insert part 124 in which the fat residues of the sucked-in air can be deposited.
  • the insert 124 is connected to the remainder of the hood shield 12 by means of a magnetic anchor 126 and can be easily separated from the hood shield by pulling.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Separating Particles In Gases By Inertia (AREA)
EP14002209.6A 2014-06-27 2014-06-27 Hotte aspirante Active EP2772695B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SI201431836T SI2772695T1 (sl) 2014-06-27 2014-06-27 Napa za odsesavanje pare
EP14002209.6A EP2772695B1 (fr) 2014-06-27 2014-06-27 Hotte aspirante
AU2015203034A AU2015203034A1 (en) 2014-06-27 2015-06-09 Extractor hood
CN201510359986.6A CN105299720B (zh) 2014-06-27 2015-06-26 抽取器罩

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14002209.6A EP2772695B1 (fr) 2014-06-27 2014-06-27 Hotte aspirante

Publications (3)

Publication Number Publication Date
EP2772695A2 true EP2772695A2 (fr) 2014-09-03
EP2772695A3 EP2772695A3 (fr) 2015-03-18
EP2772695B1 EP2772695B1 (fr) 2021-04-21

Family

ID=51032890

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14002209.6A Active EP2772695B1 (fr) 2014-06-27 2014-06-27 Hotte aspirante

Country Status (4)

Country Link
EP (1) EP2772695B1 (fr)
CN (1) CN105299720B (fr)
AU (1) AU2015203034A1 (fr)
SI (1) SI2772695T1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015100207A1 (de) * 2015-01-09 2016-07-14 Miele & Cie. Kg Dunstabzugshaube
EP3045824A1 (fr) * 2015-01-16 2016-07-20 Berbel Ablufttechnik Gmbh Dispositif d'aspiration d'air au-dessus d'une cuisiniere
DE102015100557A1 (de) * 2015-01-15 2016-07-21 Miele & Cie. Kg Dunstabzugshaube
DE102017201256A1 (de) 2017-01-26 2018-07-26 BSH Hausgeräte GmbH Dunstabzugshaube
CN108870482A (zh) * 2017-05-15 2018-11-23 浙江睿尚电器股份有限公司 吸油烟机及其立体进风系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6196214B1 (en) * 1997-08-25 2001-03-06 North Star Technologies Ltd. Air extraction apparatus
CH704954B1 (de) * 2004-08-04 2012-11-30 V Zug Ag Dunstabzugshaube zur Anordnung über einer Kochstelle.
CN100516665C (zh) * 2006-08-18 2009-07-22 富士工业株式会社 抽油烟机
DE102008020149A1 (de) * 2008-04-22 2009-10-29 BSH Bosch und Siemens Hausgeräte GmbH Filtereinheit für eine Dunstabzugsvorrichtung und Dunstabzugsvorrichtung
DE102010039408A1 (de) * 2010-08-17 2012-02-23 BSH Bosch und Siemens Hausgeräte GmbH Luftleiteinheit für Ansaugöffnung einer Dunstabzugshaube
DE102010039411A1 (de) * 2010-08-17 2012-02-23 BSH Bosch und Siemens Hausgeräte GmbH Filtereinheit für eine Dunstabzugshaube sowie Dunstabzugshaube
DE102012222415A1 (de) * 2012-12-06 2014-06-12 BSH Bosch und Siemens Hausgeräte GmbH Dunstabzugshaube

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015100207A1 (de) * 2015-01-09 2016-07-14 Miele & Cie. Kg Dunstabzugshaube
DE102015100207B4 (de) 2015-01-09 2021-09-30 Miele & Cie. Kg Dunstabzugshaube
DE102015100557A1 (de) * 2015-01-15 2016-07-21 Miele & Cie. Kg Dunstabzugshaube
EP3045824A1 (fr) * 2015-01-16 2016-07-20 Berbel Ablufttechnik Gmbh Dispositif d'aspiration d'air au-dessus d'une cuisiniere
DE102017201256A1 (de) 2017-01-26 2018-07-26 BSH Hausgeräte GmbH Dunstabzugshaube
EP3574265B1 (fr) * 2017-01-26 2022-03-23 BSH Hausgeräte GmbH Hotte aspirante
CN108870482A (zh) * 2017-05-15 2018-11-23 浙江睿尚电器股份有限公司 吸油烟机及其立体进风系统

Also Published As

Publication number Publication date
EP2772695B1 (fr) 2021-04-21
CN105299720A (zh) 2016-02-03
SI2772695T1 (sl) 2021-07-30
EP2772695A3 (fr) 2015-03-18
CN105299720B (zh) 2019-10-11
AU2015203034A1 (en) 2016-01-21

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