EP3018420A1 - In einem Kochfeld integrierte Dunstabzugshaube - Google Patents

In einem Kochfeld integrierte Dunstabzugshaube Download PDF

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Publication number
EP3018420A1
EP3018420A1 EP14191693.2A EP14191693A EP3018420A1 EP 3018420 A1 EP3018420 A1 EP 3018420A1 EP 14191693 A EP14191693 A EP 14191693A EP 3018420 A1 EP3018420 A1 EP 3018420A1
Authority
EP
European Patent Office
Prior art keywords
extractor hood
movable part
container
hob
integrated
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Withdrawn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
EP14191693.2A
Other languages
English (en)
French (fr)
Inventor
Patrick Forlin
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.)
CONCEPT SWISS AG Kitchen Systems
Original Assignee
CONCEPT SWISS AG Kitchen Systems
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 CONCEPT SWISS AG Kitchen Systems filed Critical CONCEPT SWISS AG Kitchen Systems
Priority to EP14191693.2A priority Critical patent/EP3018420A1/de
Publication of EP3018420A1 publication Critical patent/EP3018420A1/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Withdrawn legal-status Critical Current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
    • F24C15/2042—Devices for removing cooking fumes structurally associated with a cooking range e.g. downdraft
    • 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
    • F24C15/2092—Removing cooking fumes movable extendable or pivotable

Definitions

  • the present invention is relative to an extractor hood, with powered fan, for venting fumes and vapours generated during the preparation and cooking of food, built into the working top of a kitchen or integrated in a hob.
  • the EP2105674 European patent application describes a powered extractor hood for kitchens.
  • the driving power is provided by an actuator, in particular a hydraulic jack which, fastened to the bottom of the compartment that houses the movable part, moves upward or downward the movable element of the hood.
  • On the movable element is mounted a shaft that rotates freely, the ends of which are provided with gears that engage corresponding racks so that, during their movement, the axis of the movable element remains parallel to the direction of displacement of the movable element.
  • a different preferred embodiment contained in the same document proposes the substitution of the hydraulic jack with an electric motor, mounted on the wall of the movable element, that drives the shaft to rotate the gears that engage the racks installed on the sides of the housing.
  • the US2008029081 patent application also describes a retractable telescopic fan of limited thickness.
  • the solution employs a pantographic device with an end fastened to the structure of the fan through a bracket and an end connected to the movable element to cause the upward and downward movement of the latter.
  • An actuator rotates a threaded shaft that engages an arm of the pantograph to control the upward and downward movement of the hood.
  • a main objective of the invention is to propose an extractor hood for fumes and vapours that can be recessed in the working top or built into a hob, perfectly flush with the top when it is in a rest position and protruding a few centimetres when in operation so as not to be an encumbrance during cooking.
  • the proposed solution employs simple and innovative mechanisms to displace said extractor hood between the operating position and the rest position.
  • the technical options adopted make it so that the extractor hood according to the invention can be easily positioned along any side of the hob or in the spaces between the burners.
  • Another objective of the invention is to provide an extractor hood of the type mentioned above that allows an easy and effortless extraction of the lid or of the upper movable part in order to clean it.
  • a further objective of the invention is to contain small spills of liquids and to collect any liquids that could leak out on the hob.
  • FIG. 1 The structure of an extraction hood according to the present invention is illustrated in Figures 1 and 2 , respectively in a rest position and in an operating position.
  • the reference numeral 1 indicates a container of the general device which, with the extractor hood in the rest position, is completely closed by a plane surface consisting of a frame element 3 and a top plate 4.1 of a movable part 4 of the extractor hood ( Fig. 4 ).
  • the reference numeral 2 indicates another connecting and holding compartment connected with the container 1.
  • a control device for example a push-button strip on the frame element or alternatively a remote control unit with a button strip installed on the hob (not shown) connected to a control unit 8 ( Fig. 6 ) contained in the compartment 2, are controlled one or more actuators 5, preferably electric motors, to operate said extractor hood.
  • Said actuators are connected, directly or through shafts, with devices which, through their rotation, make it possible to lift or lower the movable part 4.
  • an electric motor 5 rotates a shaft 6 having cams 7.1 mounted on its ends.
  • the actuators 5 must be capable to rotate in one direction and in the opposite direction so that, through the rotation, the movement of the lateral surface of the cam 7.1 transmits the movement generated by the actuators so as to open and close the extractor hood.
  • this type of installation requires the presence of devices, such as for example limit switches (not shown), to control the amplitude of rotation of said cams 7.1.
  • the opening and closing of the extractor hood can be provided by a number of electric motors 5 that drive respective cams 7.1 and are connected with the control unit 8 which controls their synchronized operation.
  • Lifting runners 9 rest on the lateral surfaces of the cams 7.1. Said runners 9 are engaged in vertical guides 10 ( Fig. 3 ) and, thanks to a cam-tappet mechanism, convert a rotational movement into a linear movement that is transmitted to the movable part 4 of the extractor hood.
  • the vertical guides 10 are fastened to head surfaces 4.2 of the external container 1.
  • Said runners 9 have a generally rectangular shape and can be provided with projecting fins 9.1 ( Fig. 3 ) to engage the vertical guide 10 so as to obtain a lower stop for the runner 9 and thus for the movable part 4.
  • On their upper part is provided a seat 9.2 in which is engaged by contact the corresponding head surface 4.2.
  • Said movable part 4 is not coupled to the runner 9 for reasons that will be illustrated below.
  • the movable part remains substantially recessed in the cooktop or hob, with the shortcoming of collecting possible spills from the hob or cooktop.
  • the hood with the movable part protrudes by a few tens of centimetres and represents a serious obstruction for the operator.
  • the present invention provides a movable hood which, in the operating position projects from two centimetres up to a maximum of about 5 centimetres above the hob, with considerable advantage for the user, who can operate freely in addition to avoiding visible obstacles.
  • the hood according to the invention is however provided with a safety anti-spill device.
  • the movable part 4 ( Fig. 4 ) is characterized by a box-like structure; the two head surfaces 4.2 are solid and terminate with a shape suitable to engage with the corresponding seat 9.2 formed on the respective runner 9; the two lateral surfaces 4.3 have a smaller height compared to the head surfaces 4.2 and are provided with a slit 4.4.
  • a gasket (not shown) on the contact perimeter of the frame 3 with the head and lateral surfaces, together with the position and the height of said slit 4.4, makes it possible to have on one hand a sufficient extraction of the fumes and vapours produced during cooking and, on the other hand, to prevent small quantities of liquids accidentally spilled on the hob to flow into the compartment that contains the extractor hood when it is in operation.
  • the lower edge of the slit is at a distance H from the level of the cooking top or the recess.
  • the upper movable part 4 rests on but is not coupled to the runners 9; on one hand for reasons of safety: in fact, in the case in which an operator accidentally has the fingers inserted into the slit, the downward movement of the runners does not drag the movable upper part 4 downward, and the part simply rests on the fingers without causing harm; and on the other hand, for reasons of cleanliness: the removal of the upper movable part allows the cleaning of the same and access to the compartment housing the hood. When the compartment is open, it is possible to remove a tray 11 and some filters 12, which will be described below.
  • the tray 11 shown in Fig. 2 consists of a hollow body 11.1 having a perforated and removable closing surface 11.2.
  • the holes in the tray allow any particles and liquids that enter through the slit 4.4 to settle in the hollow body 11.1 of the tray 11.
  • the closing surface 11.2 is engaged on pins 11.3 fixed to the base of the tray; preferably, said pins 11.3 extend for a sufficient height to be gripped by an operator who wants to extract the tray to carry out the periodic checks or cleaning operations.
  • Said tray 11 may contain a filter (not shown) capable of trapping liquids and particles captured by the filters 12 and any other liquids that may flow over the edge of the slit 4.4 of the movable part 4.
  • a filter (not shown) capable of trapping liquids and particles captured by the filters 12 and any other liquids that may flow over the edge of the slit 4.4 of the movable part 4.
  • Fig. 3 are also shown the filters 12, applied to the vertical lateral surfaces of the container 1; they are standard components commonly available on the market and, preferably, they can be provided with magnets inserted into their frame element to help stabilize their position, in addition to the pressure exerted by suction and by the force of gravity.
  • the external container 1 that houses the extractor hood communicates with the other compartment 2 separated in two zones ( Fig. 6 ) by a vertical wall 13: one zone is dedicated to housing the control unit 8 and another to house the connector 14 with the ducts that convey the fumes and vapours to a filter (not shown) to be circulated in the kitchen space or vented outside the kitchen.
  • a second embodiment functionally equivalent to the previous one to obtain the movement of the movable part 4 employs eccentric discs 7.2 ( Fig. 5 ) installed on the shaft 6 in place of the cams 7.1.
  • the choice of eccentric discs 7.2 makes it possible to raise and lower the extractor hood without requiring the reversal of the direction of rotation of the shaft 6 on which said eccentric discs are installed.
  • the opening and closure of the extractor hood can be achieved by more electric motors 5 that drive respective eccentric discs 7.2.
  • a third embodiment functionally equivalent to the previous ones to obtain the raising and lowering of the extractor hood is shown in Fig. 7 .
  • a cylinder 15, which is anchored to the extractor hood, contains a pin 16 which projects laterally from an opening on the cylinder 15; said pin 16 is mobile and is rotated, through a lever 17 fastened at one of its ends, by a linear actuator (not shown); the pin 16 transmits its rotational movement to a tooth 18, integral to the same pin, which in turn controls the lifting of the runner 9 that supports the movable part 4 of the extractor hood.
  • two such devices are provided at the opposite ends of the movable part 4.
  • a fourth embodiment functionally equivalent to the previous ones, employs a pulley mechanism shown in Fig. 8 .
  • a force generated by an actuator (not shown) is applied through a cable 20 to a block 19 which slides in the guide 10 and on which rests the base of a runner 9 that supports the movable part 4 of the extractor hood.
  • a plurality of pulleys 21 makes it possible to reverse the direction of application of the force to lift and lower the movable part 4.
EP14191693.2A 2014-11-04 2014-11-04 In einem Kochfeld integrierte Dunstabzugshaube Withdrawn EP3018420A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14191693.2A EP3018420A1 (de) 2014-11-04 2014-11-04 In einem Kochfeld integrierte Dunstabzugshaube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14191693.2A EP3018420A1 (de) 2014-11-04 2014-11-04 In einem Kochfeld integrierte Dunstabzugshaube

Publications (1)

Publication Number Publication Date
EP3018420A1 true EP3018420A1 (de) 2016-05-11

Family

ID=52000617

Family Applications (1)

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EP14191693.2A Withdrawn EP3018420A1 (de) 2014-11-04 2014-11-04 In einem Kochfeld integrierte Dunstabzugshaube

Country Status (1)

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EP (1) EP3018420A1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3299725A1 (de) * 2016-09-26 2018-03-28 BSH Hausgeräte GmbH Dunstabzugsvorrichtung mit abdeckung für eine gehäuseöffnung des dunstabzugsgehäuses der dunstabzugsvorrichtung
CN108036378A (zh) * 2017-12-05 2018-05-15 珠海格力电器股份有限公司 一种自动开合装置的控制方法、装置及吸油烟机
US11098907B1 (en) 2019-05-17 2021-08-24 Grease Catcher Systems, LLC Apparatus and method for containing and recovering residue from a kitchen ventilation system
EP3475621B1 (de) 2016-06-22 2022-11-02 Bruckbauer, Wilhelm Vorrichtung zum abzug von kochdünsten

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4501260A (en) * 1979-07-17 1985-02-26 Norris Industries Inc. Cooktop ventilation system
US5062410A (en) * 1990-07-23 1991-11-05 Broan Mfg. Co., Inc. Downdraft range ventilator
JP2005106374A (ja) * 2003-09-30 2005-04-21 Fuji Industrial Co Ltd オープンキッチン用の排気装置
US20080029081A1 (en) 2005-08-01 2008-02-07 Gagas John M Low Depth Telescoping Downdraft Ventilator
EP2105674A2 (de) 2008-03-27 2009-09-30 Sirius S.P.A. Motorisierte senkrecht ausziehbare Dunstabzugshaube für Küchen
DE202011005698U1 (de) * 2011-04-28 2011-09-26 Wilhelm Bruckbauer Kochfeld mit zentraler Absaugung von Kochdünsten nach unten

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4501260A (en) * 1979-07-17 1985-02-26 Norris Industries Inc. Cooktop ventilation system
US5062410A (en) * 1990-07-23 1991-11-05 Broan Mfg. Co., Inc. Downdraft range ventilator
JP2005106374A (ja) * 2003-09-30 2005-04-21 Fuji Industrial Co Ltd オープンキッチン用の排気装置
US20080029081A1 (en) 2005-08-01 2008-02-07 Gagas John M Low Depth Telescoping Downdraft Ventilator
EP2105674A2 (de) 2008-03-27 2009-09-30 Sirius S.P.A. Motorisierte senkrecht ausziehbare Dunstabzugshaube für Küchen
DE202011005698U1 (de) * 2011-04-28 2011-09-26 Wilhelm Bruckbauer Kochfeld mit zentraler Absaugung von Kochdünsten nach unten

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3475621B1 (de) 2016-06-22 2022-11-02 Bruckbauer, Wilhelm Vorrichtung zum abzug von kochdünsten
EP3299725A1 (de) * 2016-09-26 2018-03-28 BSH Hausgeräte GmbH Dunstabzugsvorrichtung mit abdeckung für eine gehäuseöffnung des dunstabzugsgehäuses der dunstabzugsvorrichtung
CN108036378A (zh) * 2017-12-05 2018-05-15 珠海格力电器股份有限公司 一种自动开合装置的控制方法、装置及吸油烟机
CN108036378B (zh) * 2017-12-05 2019-09-10 珠海格力电器股份有限公司 一种自动开合装置的控制方法、装置及吸油烟机
US11098907B1 (en) 2019-05-17 2021-08-24 Grease Catcher Systems, LLC Apparatus and method for containing and recovering residue from a kitchen ventilation system

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