EP2317232A1 - Dispositif de hotte, notamment hotte aspirante pour le fonctionnement à circulation d'air - Google Patents

Dispositif de hotte, notamment hotte aspirante pour le fonctionnement à circulation d'air Download PDF

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Publication number
EP2317232A1
EP2317232A1 EP09401031A EP09401031A EP2317232A1 EP 2317232 A1 EP2317232 A1 EP 2317232A1 EP 09401031 A EP09401031 A EP 09401031A EP 09401031 A EP09401031 A EP 09401031A EP 2317232 A1 EP2317232 A1 EP 2317232A1
Authority
EP
European Patent Office
Prior art keywords
extraction device
housing
drive
tension members
vapor extraction
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Withdrawn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
EP09401031A
Other languages
German (de)
English (en)
Inventor
Ole Behrens
Reinhard Scheffsiek
Rainer Ragert
Peter Wienand
Uwe Hahn
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.)
Miele und Cie KG
Original Assignee
Miele und Cie KG
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 Miele und Cie KG filed Critical Miele und Cie KG
Priority to EP09401031A priority Critical patent/EP2317232A1/fr
Publication of EP2317232A1 publication Critical patent/EP2317232A1/fr
Withdrawn legal-status Critical Current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

Definitions

  • the invention relates to a vapor extraction device, in particular a fume hood for the recirculation mode, with a housing in which one or more filters and one or more fans are arranged, and with suspension means with which the housing height adjustable hanging fastened.
  • the suspension means comprise a drive and at least two tension members, each having a first end and a second end.
  • the invention thus raises the problem of improving a vapor extraction device so that an oblique position of the housing is excluded by asynchronous adjustment of the tension members.
  • the drive comprises a shaft to which the first ends of the tension members are attached and the tension members on the shaft are at least partially wound or wound up.
  • the suspension means advantageously have at least one deflection means over which one of the tension members is guided. With the aid of the deflecting means, it is possible to guide the tension member guided over it, in spite of attachment to the same shaft as a tension member not guided by a deflecting means, along any parallel straight line from or to the housing.
  • the one or more deflection means may comprise a deflection axis. The axis can be rotatable or fixed. Rollers with guide grooves may be mounted on the axle and / or the shaft.
  • the achievable with the present invention consist in the achievable with the invention synchronicity of the drive for all tension members.
  • the drive may include a motor coupled to drive to the drive shaft. It is also conceivable that the drive is manually operated and has a hand crank or the like.
  • the drive shaft is preferably mounted axially displaceable. This makes it possible to always keep the point at which a tension member leaves the drive shaft when winding or unwinding, always keep it in the same place in the room, especially when the tension members are wound in the manner of a helix.
  • At least one end of the drive shaft may be provided with a thread that is rotatably mounted in a threaded bushing. Due to the pitch of the thread, the amount of axial displacement during one revolution of the drive shaft can be determined.
  • the helix may have the same pitch as the thread at the end or ends of the drive shaft.
  • the tension members are preferably wound up with the same winding sense.
  • the tension members are preferably wound on the drive shaft or a coil in the manner of a helix.
  • the second ends of the tension members may be attached to the housing.
  • the drive is then attachable to a ceiling of a room, a wall or the like.
  • the second ends of the tension members may also be attached to a ceiling of a room or the like. Then the drive is attached to and / or in the housing.
  • the vapor extraction device can have an electrical line, via which electrical devices in or on the housing, such as the one or more blowers or the motor of the drive can be supplied with electrical energy.
  • the vapor extraction device may have a means for winding and unwinding the conduit during raising or lowering of the housing.
  • the tension members may be electrical conductors, via which electrical devices in or on the housing, such as the blower or the motor of the drive are supplied with electrical energy.
  • the vapor extraction device can have a recessed ceiling housing, with respect to which the housing can be moved by means of the drive.
  • Driving elements may be attached to the tension members.
  • the vapor extraction device may have a cover which has passages through which the tension members are guided. The driver elements can take the cover when lifting the housing and move from a position in which the cover closes the ceiling mounting housing in a position within the ceiling mounting housing.
  • a vapor extraction device may comprise one or more means for damping, which are suitable and adapted to damp a striking of parts of the vapor extraction device, for example, on other parts of the vapor extraction device upon swinging of the housing.
  • the damping means or the for example be attached to the ceiling mounting housing and in particular to a lower edge of the ceiling mounting housing or on the cover.
  • the damping means or the damping means may comprise an elastic material.
  • a combination of a hard and a soft material is used.
  • the soft material serves to cushion and is covered by the hard material.
  • the hard material preferably has a low coefficient of friction with stainless steel, so that the housing, the ceiling housing or the cover, which are preferably made of stainless steel, can slide along the damping means, without posing a serious resistance to the drive.
  • An insertion means which is suitable and arranged to facilitate the insertion of the housing when entering the ceiling installation housing, can be arranged on the ceiling installation housing of a vapor extraction device according to the invention.
  • the insertion means may be formed by a bevel or a cone or the like at the lower edge of the recessed housing in the installation position.
  • vapor extraction devices of the invention shown in the figures have many features in common. The same reference numerals are therefore used in the figures for the same features of the vapor extraction devices.
  • the vapor extraction device has a housing 1 which is suspended by means of a suspension means 5 on a ceiling D.
  • a fan 4 is provided with the on a suction side of the housing 1, it is the bottom of the housing 1, a negative pressure and on a discharge side of the housing 1, which is the top of the housing 1, an overpressure can be generated.
  • an air flow through the housing 1 can arise, through which the vapor can be removed from the underside of the housing 1.
  • the housing 1 is designed with respect to the parts that affect the flow through the housing 1 areaymmetric. That which in the FIG. 1 (and in the FIG. 3 ) is shown to a left half of the housing 1, is also found in a right half of the housing. The following description initially refers only to the left half of the housing. But it can be easily transferred to the right half.
  • the housing 1 has on the bottom of the grease filter 2, z. B. from a wire tangle or wire mesh. These grease filters 2 largely close the underside of the housing 1. The grease filters 2 are inserted into an intake opening 13 of the housing 1. The grease filters 2 can be removed for cleaning, among other things.
  • a vacuum chamber 12 is then provided to the grease filter 2 or the suction opening 13.
  • the vacuum chamber 12 is connected to a fan chamber 14.
  • the blower 4 is arranged in the fan chamber 14.
  • the fan chamber 14 is both part of the airway through the left part of the housing 1 and through the right part of the housing first
  • a protective grid 15 is arranged, which prevents grease filters 2 removed from the housing 1, objects or limbs are inserted through the vacuum chamber 12 in the fan chamber 14 and damaged or injured by fan blades or other possibly rotating parts ,
  • a protective grid 16 is provided for the same reasons.
  • an overpressure chamber 17 adjoins behind the fan chamber 14.
  • the exhaust openings 18 are formed by openings of a perforated grid, which is part of the housing 1.
  • a filter cartridge 19 with an odor filter 3 is arranged.
  • the odor filter 3 may be an activated carbon filter.
  • the filter cartridge 19 can be removed either from the overpressure chamber 17 or, it can be opened on its underside or pivoted downwards, so that the odor filter 3 can be removed and replaced by another odor filter 3.
  • a partition plate 20 is arranged between the vacuum chamber 12 and the pressure chamber 17, a partition plate 20 is arranged.
  • This separating plate 20 is pivotally mounted in an axis 200 and can be folded down with removed grease filters 2.
  • the filter cartridge 19 can be removed, opened or pivoted down to replace the odor filter 3.
  • a special feature of the vapor extraction device according to FIG. 1 and 2 is the suspension means 5 with which the housing 1 is mounted vertically adjustable on the ceiling D.
  • the suspension means 5 comprises a total of four tension members 50, which are attached to first ends of a drive 51. Second ends of the tension members 50 are attached to the housing 1 which hangs on the tension members 50.
  • the tension members 50 may in particular be steel cables.
  • the tension members 50 can be wound up and unwound to adjust the height at which the housing 1 hangs.
  • the drive 51 comprises a shaft 510 which can be driven by a motor 511.
  • the shaft 510 has threads 513 at its ends, which are mounted in threaded bushings 514. When the shaft 510 is rotated by the motor, the shaft shifts according to a pitch of the threads 513 and a thread of the threaded bushes 514.
  • the motor 511 whose output is rigidly connected to the shaft 510, can follow the axial movement of the shaft 510, it is arranged in a holder 512, which holds the non-rotating parts of the motor 511 during operation of the motor 511, but at the same time axial displacement of the engine allows.
  • the holder 512 is designed in the manner of a pot, in which the motor is inserted.
  • a slot is provided, in which a pin engages the motor and the motor so rotatably holds, but allows the axial displacement of the motor.
  • the tension members 50 can be wound on the spools 515 in the manner of a helix. That is, portions of each tension member 50 are wound side by side on the spool. The approximate length of the sections corresponds to the circumference of the associated spool 515.
  • a wound part of the tension member 50 has a pitch. This slope has the consequence that the point at which an unwound part of the tension member strikes the spool 515, wraps in the axial direction during winding or unwinding of the tension member 50 relative to the spool 515.
  • the tension members 50 are wound in the same winding sense, so that the compensation of the migration for all tension members 50 is possible.
  • the coils 515 have a same diameter.
  • each case two of the four coils 515 are mounted directly adjacent to the shaft 510.
  • the tension member 50 of one of these adjacent coils 515 is guided in each case directly from the coil 515 to the housing 1.
  • the respective other tension member 50 is initially guided substantially parallel to the ceiling D and then to the housing 1 via a deflection means 52. At the deflection 52, the affected tension members 50 are deflected by approximately 90 ° down.
  • the deflection means 52 comprises a rotatable shaft 520 which is parallel to the shaft 510. On the axis of two pulleys 521 are mounted with the same diameter and the same diameter as the coils 515. The tension members 50 are guided over the pulleys. The distance of the axis 520 to the shaft 510 corresponds to the distance of the fastening points of the second ends on the left half of the housing 1 to the attachment points of the second ends of the tension members 50 on the right half of the housing 1, so that the tension members 50 are perpendicular to the coils 515 or the pulleys 521 are guided to the housing 1.
  • limit switches 516, 517 are provided, which turn off the motor 511 of the drive 51 when reaching a lowest position or a highest position.
  • the limit switches 516, 517 are mounted so that they are actuated by the axial displacement of the shaft 510 during winding and unwinding of the tension members 50.
  • the limit switches 516, 517 are preferably slidably mounted so that the switching point can be adjusted.
  • the vapor extraction device according to the FIG. 3 first differs from the vapor extraction device according to the FIGS. 1 and 2 in that the vapor extraction device is retractable in a suspended ceiling or a (wooden) beam ceiling.
  • the vapor extraction device has a ceiling housing 9, which is inserted in the ceiling D.
  • the ceiling installation housing 9 is open at the bottom and in the ceiling installation housing, the drive 51, the deflection means 52 and a means 53 for safety shutdown are arranged.
  • the inner dimension of the recessed ceiling housing 9 is selected so that the housing 1 can be lifted by means of the drive 51 in the recessed housing 9 and is almost completely absorbed in the recessed ceiling housing 9 (see left half of FIG. 3 ).
  • the ceiling mounting housing 9 In the lowered state of the housing 1, the ceiling mounting housing 9 is closed by a cover 8, so that an insight into the ceiling mounting housing 9 and the parts of the vapor extraction device located therein is prevented.
  • the cover 8 has holes which serve as passages 80 for the tension members 50.
  • the cover 8 is in the lowered state of the housing 1 on an edge 90 of the ceiling mounting housing 9.
  • driver elements 501 are mounted below the cover, which are larger than the bushings 80. When lifting the housing 1, these driver elements 501 strike the cover 8 and provide in a further lifting of the housing 1 for a lifting and method of Cover 8 in the ceiling mounting housing.
  • the means 53 for safety shutdown of the drive 51 comprises a spring 530, on which the shaft 510 rests. If it comes through an object on the housing 1 when lifting the housing to a blockage, the spring 530 is deflected. It operates a limit switch 531 and the motor 511 of the drive 51 is turned off.
  • the vapor extraction device therefore comprises means for damping 21, which are suitable and adapted to damp the striking of the cover 8.
  • the damping means comprise a combination of a hard and a soft material.
  • the soft material serves to cushion and is covered by the hard material.
  • the hard material has a low coefficient of friction with stainless steel, so that the damping means 21 attached to the cover 8 can slide along the ceiling-mounting case 9 made of stainless steel without offering serious resistance to the drive.
  • the in the FIG. 4 schematically shown parts of the third vapor extraction device have, in contrast to the vapor extraction devices described above, a center mounted motor 511 and a center mounted shaft 510.
  • a center mounted motor 511 On the shaft 510 a total of four coils 515 are mounted, on each of which a tension member 50 can be wound or from which the tension member 50 can be unwound.
  • First ends of the tension members are attached to the coils 515.
  • Each two tension members are guided to one of two deflection axes 520, on which deflection rollers 521 are mounted.
  • the deflection axes 520 are parallel to the shaft 510.
  • the tension members 50 are deflected by approximately 90 °.
  • the housing of the vapor extraction device At second ends of the tension members 50, the housing of the vapor extraction device is mounted.
  • the coils 515 have a same diameter, so that for the same tension members 50 is always provided for a uniform lowering or lifting of the housing.
  • FIG. 5 schematically illustrated vapor extraction device has a vertical shaft 510.
  • a disc 518 is attached on the shaft 510.
  • the shaft and the disc can also form a component.
  • Grooves are provided in the peripheral surface of the disc to receive tension members 50.
  • the tension members are attached to the disc 518 at a first end. By a rotation of the disc 518, the tension members 50 can be wound up or unwound.
  • the tension members run from the points at which they exit the disc 518 to 90 ° offset from each other arranged deflection rollers 521 and are guided over these pulleys substantially parallel to the axis of rotation of the disc 518 and the shaft 510 to a housing 1. Second ends of the tension members are fixed to the housing 1.
  • the diameter of the disc 518 is preferably selected so that one revolution of the disc 518 allows a maximum height adjustment of the housing 1.
  • Limit switch 516, 517, in the direction of the FIG. 5 lie behind one another, ensure after a full rotation of the disc 518 for an automatic shutdown of a motor that drives the shaft 510.

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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)
EP09401031A 2009-11-03 2009-11-03 Dispositif de hotte, notamment hotte aspirante pour le fonctionnement à circulation d'air Withdrawn EP2317232A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09401031A EP2317232A1 (fr) 2009-11-03 2009-11-03 Dispositif de hotte, notamment hotte aspirante pour le fonctionnement à circulation d'air

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09401031A EP2317232A1 (fr) 2009-11-03 2009-11-03 Dispositif de hotte, notamment hotte aspirante pour le fonctionnement à circulation d'air

Publications (1)

Publication Number Publication Date
EP2317232A1 true EP2317232A1 (fr) 2011-05-04

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EP09401031A Withdrawn EP2317232A1 (fr) 2009-11-03 2009-11-03 Dispositif de hotte, notamment hotte aspirante pour le fonctionnement à circulation d'air

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EP (1) EP2317232A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2846101A1 (fr) * 2013-09-05 2015-03-11 Miele & Cie. KG Dispositif de hotte aspirante et procédé de fonctionnement
DE102016103125A1 (de) * 2016-02-23 2017-08-24 Miele & Cie. Kg Tragseil für eine Dunstabzugshaube und Dunstabzugshaube
DE102017122667B3 (de) 2017-09-29 2018-12-06 Miele & Cie. Kg Zugentlastungsvorrichtung für eine Dunstabzugseinrichtung, Dunstabzugseinrichtung und Verfahren zum Montieren einer Dunstabzugseinrichtung
EP3531027A1 (fr) * 2018-02-23 2019-08-28 Inoxpan, S.L. Hotte aspirante à mouvement automatique du couvercle inférieur
DE102017203639B4 (de) * 2017-03-07 2021-05-06 BSH Hausgeräte GmbH Höhenverstellvorrichtung für eine Dunstabzugshaube, Dunstabzugshaube und Verfahren zum Einstellen der Position einer Dunstabzugshaube
EP4343211A1 (fr) * 2022-09-21 2024-03-27 Berbel Ablufttechnik Gmbh Hotte aspirante

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0146722A1 (fr) * 1983-12-17 1985-07-03 JASO Möbelwerke GmbH Dispositif d'évacuation des fumées pour la cuisine
DE8900256U1 (de) * 1989-01-11 1989-03-23 Hüppe Form Sonnenschutz- und Raumtrennsysteme GmbH, 2900 Oldenburg Aufzugsvorrichtung eines freihängenden Vorhanges
DE4034614A1 (de) * 1990-10-31 1992-05-14 Warema Renkhoff Gmbh & Co Kg Vorrichtung zum verschatten von fensterflaechen
DE4105004A1 (de) * 1991-02-19 1992-08-20 Kueppersbusch Dunstabzug
WO2006123861A1 (fr) * 2005-05-16 2006-11-23 Sun Ja Seo Appareil d’aspiration pour hotte
WO2007148842A1 (fr) * 2006-06-19 2007-12-27 Tae Young Co., Ltd. Hotte de cuisinère télescopique
EP1901009A2 (fr) * 2006-09-01 2008-03-19 Lufttechnik + Metallbau AG Hotte aspirante
DE102008027470A1 (de) * 2008-06-09 2009-12-10 BSH Bosch und Siemens Hausgeräte GmbH Höhenverstellbare Dunstabzugshaube sowie Verfahren zum Absaugen von Wrasen

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0146722A1 (fr) * 1983-12-17 1985-07-03 JASO Möbelwerke GmbH Dispositif d'évacuation des fumées pour la cuisine
DE8900256U1 (de) * 1989-01-11 1989-03-23 Hüppe Form Sonnenschutz- und Raumtrennsysteme GmbH, 2900 Oldenburg Aufzugsvorrichtung eines freihängenden Vorhanges
DE4034614A1 (de) * 1990-10-31 1992-05-14 Warema Renkhoff Gmbh & Co Kg Vorrichtung zum verschatten von fensterflaechen
DE4105004A1 (de) * 1991-02-19 1992-08-20 Kueppersbusch Dunstabzug
WO2006123861A1 (fr) * 2005-05-16 2006-11-23 Sun Ja Seo Appareil d’aspiration pour hotte
WO2007148842A1 (fr) * 2006-06-19 2007-12-27 Tae Young Co., Ltd. Hotte de cuisinère télescopique
EP1901009A2 (fr) * 2006-09-01 2008-03-19 Lufttechnik + Metallbau AG Hotte aspirante
DE102008027470A1 (de) * 2008-06-09 2009-12-10 BSH Bosch und Siemens Hausgeräte GmbH Höhenverstellbare Dunstabzugshaube sowie Verfahren zum Absaugen von Wrasen

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2846101A1 (fr) * 2013-09-05 2015-03-11 Miele & Cie. KG Dispositif de hotte aspirante et procédé de fonctionnement
DE102016103125A1 (de) * 2016-02-23 2017-08-24 Miele & Cie. Kg Tragseil für eine Dunstabzugshaube und Dunstabzugshaube
EP3211326B1 (fr) * 2016-02-23 2019-10-16 Miele & Cie. KG Hotte d'extraction
DE102017203639B4 (de) * 2017-03-07 2021-05-06 BSH Hausgeräte GmbH Höhenverstellvorrichtung für eine Dunstabzugshaube, Dunstabzugshaube und Verfahren zum Einstellen der Position einer Dunstabzugshaube
DE102017122667B3 (de) 2017-09-29 2018-12-06 Miele & Cie. Kg Zugentlastungsvorrichtung für eine Dunstabzugseinrichtung, Dunstabzugseinrichtung und Verfahren zum Montieren einer Dunstabzugseinrichtung
EP3531027A1 (fr) * 2018-02-23 2019-08-28 Inoxpan, S.L. Hotte aspirante à mouvement automatique du couvercle inférieur
EP4343211A1 (fr) * 2022-09-21 2024-03-27 Berbel Ablufttechnik Gmbh Hotte aspirante

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