EP2589882A1 - Hotte filtrante domestique avec tiroir extractible - Google Patents

Hotte filtrante domestique avec tiroir extractible Download PDF

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Publication number
EP2589882A1
EP2589882A1 EP11425267.9A EP11425267A EP2589882A1 EP 2589882 A1 EP2589882 A1 EP 2589882A1 EP 11425267 A EP11425267 A EP 11425267A EP 2589882 A1 EP2589882 A1 EP 2589882A1
Authority
EP
European Patent Office
Prior art keywords
tray
guide element
collecting section
piston
movement
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Withdrawn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
EP11425267.9A
Other languages
German (de)
English (en)
Inventor
Francesco Casoli
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.)
Elica SpA
Original Assignee
Elica SpA
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 Elica SpA filed Critical Elica SpA
Priority to EP11425267.9A priority Critical patent/EP2589882A1/fr
Priority to CN 201220577743 priority patent/CN202993316U/zh
Publication of EP2589882A1 publication Critical patent/EP2589882A1/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Withdrawn legal-status Critical Current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
    • F24C15/2092—Removing cooking fumes movable extendable or pivotable

Definitions

  • the present invention relates to a domestic gas filtering hood, particularly having a pull-out tray, as defined in the preamble of claim 1.
  • EP 1139027 , EP 0603537 , DE 102005008373 and DE2206904 disclose hoods, each having a pull-out tray adapted to move from a first rest position, in which the tray is substantially hidden from the user, to a pulled-out state relative to the collecting section.
  • the tray houses the filters that are used for filtering the gas extracted by the hood's motor through the collecting section of the hood.
  • the purpose is to provide a movable tray for easier maintenance and/or replacement of the above mentioned filters when the tray is in the operating position, i.e. in the pulled-out position.
  • a further problem to be solved in hoods with pull-out trays is to ensure that the tray can be closed.
  • the tray may not be fully closed due to a wrong force imparted to the tray as it is being closed.
  • the tray is not fully closed. Particularly, when the tray is closed using too much force, then the tray may bounce against the support frame and stop in a partially pulled-out position relative to the hood, and when the tray is closed using an inadequate force, then such force may be too little to close the tray.
  • the object of the present invention is to provide a hood that can solve the above mentioned prior art drawbacks.
  • a hood having a cushioned moving tray as characterized in claim 1.
  • the present invention provides a home gas extracting hood with a cushioned tray moving between first and second positions, and preferably but without limitation housing the filters, that does not cover the filters' useful area and ensures that the tray can be closed regardless of the force applied, for instance, to close it.
  • the present invention provides a hood whose tray has a more accurate movement and is less exposed to sticking, even when the tray is withdrawn from or inserted into the collecting section with a withdrawing/inserting force parallel to the tray withdrawing/inserting direction.
  • a hood may be equipped with a cushioned moving tray, whose motion during insertion is damped for smoother, evener insertion thereof into the collecting section, and whose motion during withdrawal is safer and less subject to undulations than in the prior art.
  • the present invention also allows the hood to be equipped with the cushioned moving tray without being designed anew.
  • numeral 1 designates a home gas filtering hood of the present invention.
  • the hood 1 comprises:
  • the intake section 3 and the collecting section 4 are confined in an enclosure 1A (or case), which may have, for instance, the shape of a parallelepiped.
  • the enclosure 1A of the hood 1 extends along a vertical axis Y-Y, i.e. in a direction substantially perpendicular to a cooktop (not shown).
  • Such vertical axis Y-Y may represent the direction of gas flow from the home environment to the intake section 4.
  • the hood 1 also comprises a tray 5 which is translationally movable relative to the collecting section 4 of the hood 1 in a predetermined direction of movement X-X.
  • the direction of movement X-X of the tray 5 is transverse, preferably orthogonal, to the vertical direction Y-Y.
  • the tray 5 is configured to be movable (or translationally movable) relative to the collecting section 4 in the direction of movement X-X between a rest position, in which it is retracted from the collecting section 4 ( Figure 3 ) and is substantially hidden to the exterior, and a work position in which said tray is pulled out of said collecting section 4 ( Figure 2 ).
  • the tray 5 is defined by two wings 5A and 5B which project, for instance, in parallel and opposite positions out of a bottom 5C and a front edge 5D which also projects out of the bottom 5C, to define a useful volume for receiving, for instance, one or more filters 5E.
  • the hood 1 comprises damper means 6 ( Figures 1A and 1B ), which are operably associated with the tray 5 to damp the motion of the tray, particularly when the tray is moved from the work position to the rest position and/or vice versa ( Figures 2 and 3 ).
  • the damper means 6 only operate when the tray is moved from the work position to the rest position.
  • the damper means 6 are operably associated with the tray 5 to operate along a damping axis X'-X' which is parallel to the predetermined axis of movement X-X of the tray 5.
  • the damping axis X'-X' of the damper means 6 is offset from the axis of movement X-X of the tray 5.
  • the damper means 6 allow the tray 5 to have a damped motion, for smoother, evener insertion thereof into the frame 1A, whereas the withdrawal motion is safer and less undulatory than in the prior art.
  • the useful area of the tray may be left unchanged, whereby the volume of the tray 5 and hence the filtering capacity of the filters per unit area, when they are placed in the volume defined by the tray 7, may be left unchanged.
  • damper means 6 are preferably provided at each wing 5A, 5B of the tray 5.
  • the damper means 6 include:
  • the support structure 20 may include:
  • the damper 9 is arranged between the movable guide element 7 and the stationary guide element 8.
  • Such arrangement is advantageous in that it allows the members required for moving the tray to be accommodated between the collecting section 4 and each wing 5A, 5B of the tray 5, thereby minimizing the space required thereby, and ensuring a filter area, if any filter is provided, which is substantially identical to the configuration with no tray moving members.
  • the damper 9 is not disposed within the volume of the tray 5, i.e. within the volume defined between the two wings 5A, 5B, the bottom 5C and the edge 5D of the tray 5.
  • the damper 9 comprises a cylinder 10 having a piston 11 sliding therein, and particularly the piston 11, preferably its foot 11A is connected to the guide element 7 via connecting means 12.
  • these connecting means 12 are integral with the guide element 7 and extend in a direction of extension Z-Z which is transverse, preferably orthogonal to the direction of movement X-X of the tray 5 or, likewise, to the direction of extension X'-X' of the damper 9.
  • the connecting means 12 consist, for instance, of a rod or tooth made of an inelastic material, such as iron or plastic, transversely extending between the piston 11 and the guide element 7.
  • the presence of the damper 9 ensures that the tray 5 can be always fully closed, regardless of the force applied to the edge 5D.
  • a lock/release member 13 is provided between the piston 11 and the connecting means 12, and is movable in a direction parallel to the direction of movement of the tray.
  • Such lock/release member 13 is configured to engage the piston 11 with the connecting means 12, i.e. to allow the piston 11 to be translationally integral with the tray 5 during the travel of the latter, and to disengage the piston 11 from the tray 5 and release the latter from the piston 11.
  • a coupling may be implemented, which allows oscillation about an axis of the lock/release member 13, parallel to the axis of extension Z-Z of the connecting means 12.
  • the lock/release member 13 tilts about the piston 11 between a first position in which it is substantially in-line with the direction X'-X' of the piston 11 and a second position in which the axis of the lock/release member 13 is incident upon such piston stroke direction.
  • this predetermined point is located upstream from the work position that can be reached by the tray 5.
  • the lock/release member 13 tilts about its longitudinal axis to move from the first work position to the second position, thereby disengaging the connecting means 12 and releasing the tray 5 from the piston 11.
  • a stop element is provided along the stroke of the piston 11.
  • the predetermined point is designed to coincide with the bottom dead center of the piston 11 and hence the stop element is designed to form the bottom of the cylinder 10 of the piston 11.
  • the connecting means 12 are engaged and locked by the lock/release member 13, by a rotation thereof about its longitudinal axis, which moves it to engagement with the connecting means 12.
  • the tray 5 is engaged with the motion of the piston 11, so that the tray 5 is allowed to reach its rest position and the piston 11 is allowed to reach its top dead center.
  • lock/release member 13 is coupled to the foot 11A of the piston 11.
  • the lock/release member 13 comprises a body 13C having at least two locking pawls 13A and 13B, such body extending in the direction X'-X' and particularly:
  • the guide element 8, i.e. the movable guide element, translationally integral with the tray 5, has two substantially parallel wings 8B and 8C extending from the bottom 8A.
  • the wing 8B is joined to the tray 5 and the other wing 8C is associated with the guide element 7, i.e. the stationary guide element associated with the collecting section 4.
  • wing 8B of the movable guide element 8 is preferably joined to the wing 5A or 5B of the tray 5.
  • the damper 9 is placed on the bottom 8A of the guide 8 to ensure firm support and damping of any vibration that may occur as the tray 5 moves.
  • the lock/release member 13 may be arranged to move along a slot 14 formed in a counter-frame 15, the latter being placed on the bottom 8A of the guide element 8.
  • the counter-frame 15 is stationary and associated with the bottom 8A of the guide element 7, between the wings 8B and 8C of such guide element 8.
  • the provision of the damper 9 and the counter-frame 15 ensures that the tray 5 can be always fully closed, regardless of the force exerted on the edge 5D and also ensures such full closing action if the direction of the applied closing force is not parallel to the withdrawing/inserting direction X-X.
  • the stationary guide element 7 has a substantially inverted-U section, and is associated with the wing 8C of the guide element 8.
  • a sliding block (not shown) may be interposed therebetween to facilitate such sliding motion.
  • the bottom 7A of such inverted U is slideably engaged with the wing 8C of the guide element 7 and the surface 7B opposite to the bottom 7A of the guide element 7 acts as an abutment surface for the collecting section 4.
  • the guide 7 is connected to the collecting section 4 by two shoulders 7C which extend transverse, preferably perpendicular to the surface 7B. Each of these shoulders 7C has a through hole for receiving a bolt to join the collecting section 4 to the guide 7.
  • connecting means 12 are placed on and joined to the surface 8B, e.g. near a free edge of the guide element 8.
  • the damper means 6 do not cover any useful filter surface, and can also ensure that the tray will be always fully closed and provide a more accurate movement of the tray 5, less subject to sticking, even when the tray 5 is withdrawn from or inserted into the collecting section 4 with a withdrawing/inserting force parallel to the main axis X-X of the tray 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Vibration Prevention Devices (AREA)
EP11425267.9A 2011-11-04 2011-11-04 Hotte filtrante domestique avec tiroir extractible Withdrawn EP2589882A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP11425267.9A EP2589882A1 (fr) 2011-11-04 2011-11-04 Hotte filtrante domestique avec tiroir extractible
CN 201220577743 CN202993316U (zh) 2011-11-04 2012-11-05 具有拉出托盘的家用气体过滤罩

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11425267.9A EP2589882A1 (fr) 2011-11-04 2011-11-04 Hotte filtrante domestique avec tiroir extractible

Publications (1)

Publication Number Publication Date
EP2589882A1 true EP2589882A1 (fr) 2013-05-08

Family

ID=45349441

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11425267.9A Withdrawn EP2589882A1 (fr) 2011-11-04 2011-11-04 Hotte filtrante domestique avec tiroir extractible

Country Status (2)

Country Link
EP (1) EP2589882A1 (fr)
CN (1) CN202993316U (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3112761A1 (fr) * 2015-07-01 2017-01-04 BSH Hausgeräte GmbH Hotte aspirante avec écran d'extraction
EP3112763A1 (fr) * 2015-07-01 2017-01-04 BSH Hausgeräte GmbH Hotte aspirante avec écran d'extraction coulissant
CN111664478A (zh) * 2020-06-19 2020-09-15 黄玮 一种易于清理的集成式燃气灶
DE102015217203B4 (de) * 2015-09-09 2021-02-18 BSH Hausgeräte GmbH Dunstabzugshaube

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007111424A1 (fr) * 2006-03-27 2007-10-04 Yoon Sik Park Moyen de fermeture automatique
US20100200576A1 (en) * 2009-02-11 2010-08-12 Sung Bae Song Microwave oven including hood

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007111424A1 (fr) * 2006-03-27 2007-10-04 Yoon Sik Park Moyen de fermeture automatique
US20100200576A1 (en) * 2009-02-11 2010-08-12 Sung Bae Song Microwave oven including hood

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3112761A1 (fr) * 2015-07-01 2017-01-04 BSH Hausgeräte GmbH Hotte aspirante avec écran d'extraction
EP3112763A1 (fr) * 2015-07-01 2017-01-04 BSH Hausgeräte GmbH Hotte aspirante avec écran d'extraction coulissant
DE102015217203B4 (de) * 2015-09-09 2021-02-18 BSH Hausgeräte GmbH Dunstabzugshaube
CN111664478A (zh) * 2020-06-19 2020-09-15 黄玮 一种易于清理的集成式燃气灶

Also Published As

Publication number Publication date
CN202993316U (zh) 2013-06-12

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