• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Vertical fireplace grill containing a particle protection filter, positioned vertically, parallel to and facing the fireplace, between the fireplace and a food holding device, and filter supported by a frame whose attachment is adapted barbecues with a vertical fireplace.
    公开号:BE1024287B1
    申请号:E2017/0051
    申请日:2017-05-05
    公开日:2018-01-15
    发明作者:Antoine Amory
    申请人:Antoine Amory；
    IPC主号:
    专利说明:

    (30) Priority data:
    05/05/2016 FR 1670212 (73) Holder (s):
    AMORY Antoine 1300, LIMAL Belgium (72) Inventor (s):
    AMORY Antoine 1300 LIMAL Belgium (54) PROTECTION FILTER FOR VERTICAL FIREPLACE BARBECUE (57) Vertical fireplace barbecue containing a particle protection filter, positioned vertically, parallel to the fireplace and in front of it, between the fireplace and a food holding device, and filter supported by a frame, the fixing of which is suitable for barbecues with a vertical hearth.
    Fig. 2.
    BELGIAN INVENTION PATENT
    FPS Economy, SMEs, Middle Classes & Energy
    Publication number: 1024287 Deposit number: BE2017 / 0051
    Intellectual Property Office International Classification: A47J 37/07 Date of issue: 15/01/2018
    The Minister of the Economy,
    Having regard to the Paris Convention of March 20, 1883 for the Protection of Industrial Property;
    Considering the law of March 28, 1984 on patents for invention, article 22, for patent applications introduced before September 22, 2014;
    Given Title 1 “Patents for invention” of Book XI of the Code of Economic Law, article XI.24, for patent applications introduced from September 22, 2014;
    Having regard to the Royal Decree of 2 December 1986 relating to the request, the issue and the maintenance in force of invention patents, article 28;
    Given the patent application received by the Intellectual Property Office on 05/05/2017.
    Whereas for patent applications falling within the scope of Title 1, Book XI of the Code of Economic Law (hereinafter CDE), in accordance with article XI. 19, §4, paragraph 2, of the CDE, if the patent application has been the subject of a search report mentioning a lack of unity of invention within the meaning of §ler of article XI.19 cited above and in the event that the applicant does not limit or file a divisional application in accordance with the results of the search report, the granted patent will be limited to the claims for which the search report has been drawn up.
    Stopped :
    First article. - It is issued to
    AMORY Antoine, Rue Joseph Mathieu 37A, 1300 LIMAL Belgium;
    represented by a Belgian invention patent with a duration of 20 years, subject to the payment of the annual fees referred to in article XI.48, §1 of the Code of Economic Law, for: PROTECTION FILTER FOR VERTICAL FIREPLACE BARBECUE .
    INVENTOR (S):
    AMORY Antoine, Rue Joseph Mathieu 37A, 1300, LIMAL;
    PRIORITY (S):
    05/05/2016 FR 1670212;
    DIVISION:
    divided from the basic application: filing date of the basic application:
    Article 2. - This patent is granted without prior examination of the patentability of the invention, without guarantee of the merit of the invention or of the accuracy of the description thereof and at the risk and peril of the applicant (s) ( s).
    Brussels, 01/15/2018, By special delegation:
    Protective filter for vertical barbecue.
    BE2017 / 0051
    Field of the invention
    The invention relates to a barbecue with a vertical hearth provided with at least one particle filter.
    State of the art
    Two types of barbecue are commonly found on the market: horizontal grills and vertical grills.
    The barbecues with horizontal hearth have the disadvantage of subjecting the food to a sweeping by the smoke of the combustion, in particular the smoke resulting from the combustion of the greases which flow from the food supported by a horizontal cooking surface (grid) on the incandescent fuel located under this hob. This sweeping affects the sanitary quality of food.
    Vertical grills overcome this disadvantage of horizontal grills. They generally consist (Fig. 1/5), in a manner known per se, of a vertical heating hearth (a) containing the fuel (b), of a hopper (i) to facilitate the introduction of the fuel into the hearth, one or more food holding devices, positioned parallel to the hearth and facing it, an ash collecting tank (h) and a container for collecting fat (e).
    By "food holding device" means any device intended to hold the food in place relative to the vertical hearth such as by
    BE2017 / 0051 example a wire cage (c) containing the food (d), a spit or skewers (not shown).
    The hearth (a) generally consists, in a manner known per se, of a vertical basket, at least one wall of which, vertical or oblique, is perforated. By “perforated wall” is meant a wall having openings. Usually, the basket includes two perforated walls, arranged opposite one another.
    The hearth (a) is intended to receive incandescent fuel (b) which emits infrared radiation (g) responsible for cooking food. The wall openings are necessary in order to allow infrared radiation to pass freely.
    However, vertical barbecues have a drawback which makes their use complicated.
    In fact, the hearth (a) is generally made up of heavy metal structures, of cast iron or thick steel sheets. These structures, essential for the hearth to be able to resist the high temperatures to which it is subjected, are on the other hand an obstacle for the free passage of the infrared rays.
    In order to allow sufficient free passage to the infrared rays, the walls of the vertical baskets generally have large surface openings which are the source of a disadvantage of vertical barbecues. During combustion, small particles are generated in the hearth, such as ashes or small pieces of incandescent fuel resulting from combustion or created by the crackling of embers.
    BE2017 / 0051
    In windy conditions, these small particles can be carried out of the hearth through the openings in the walls of the hearth and deposit on the food during cooking. Although non-toxic in nature, these particles can negatively affect food in terms of aesthetics, cuisine and taste.
    Description of the invention
    The invention aims to remedy the drawback described above, known vertical barbecues described in particular in documents EP 2949246 A1 and DE20 2014 007487 Ul.
    The invention aims more particularly to prevent said particles from depositing on food during cooking by the presence (Fig 2/5) of a protective filter (f) disposed substantially vertically between the vertical hearth (a) containing the fuel and the food holding device located opposite the vertical hearth (for example a wire cage: c).
    By "fuel" means any solid fuel suitable for use in any type of barbecue such as for example charcoal, charcoal, wood, or agglomerated briquettes (coconut briquettes or various coals).
    The protective filter according to the invention is not very permeable with respect to said particles, and sufficiently permeable with respect to infrared radiation in order to ensure a reasonable cooking speed.
    The protective filter according to the invention consists of an essentially flat metallic structure, preferably made of steel or steel
    B E2017 / 0051 stainless, containing openings delimited at their periphery by separating elements such as wires (canvas, sieve or wire mesh) or strips, (expanded metal).
    The choice of protection filter is determined by the surface of the openings and the thickness of the separating elements. These two elements determine the threshold for the filtration capacity of the particles as well as the permeability with respect to infrared rays.
    The permeability to infrared rays of the protective filter can be compared to its light transparency, or percentage of "day seen". It is measured by dividing the area of the openings of the metal filter by the total area of the filter (area of the openings + areas of the separating elements).
    In order to determine the optimal surface area of the openings, tests have been carried out with protective filters made up of metallic fabrics having square openings of different surface areas and of similar transparency (around 50%). The results are shown in Table 1/2 below.
    The abbreviations used in Tables 1/2 and 2/2 have the following meanings:
    LO: width of the openings
    N / A: surface of the openings
    EF: thickness of the wire (separating element)
    TR: transparency
    B E2017 / 0051
    Table 1/2
    LO(mm) SO(mm2) EF(mm) TR(%) Estimated number ofparticles crossing thefiltered 3.00 9.00 1.0 56 Almost all 2.00 4.00 0.56 61 A significant part 1.00 1.00 0, 3 59 Some 0.73 0.53 0.18 64 Virtually none
    The tests described in table 1/2 above show that an opening surface of less than 1 mm2 is necessary to ensure sufficient impermeability with respect to the particles emitted by the vertical hearth. An opening of less than 0.53 mm2 is even better.
    On the other hand, a 4 mm2 opening surface proved to be moderately effective, because many particles passed through the filter. An opening area of 9 mm2 proved to be ineffective because practically all the particles passed through the filter.
    In order to determine the size of the separating elements of the filter openings, tests were carried out with metallic fabrics having an opening surface of 1 mm 2 but having a different transparency due to the variable thickness of the wires (separating elements). located on the periphery of the openings.
    BE2017 / 0051
    Table 2/2
    LO(mm) so(mm2) EF(mm) TR(%) Estimated speedcooking 1.00 1, 00 0.3 59 Sufficient 1.00 1.00 0, 6 39 Sufficient but not ideal 1.00 1, 00 0, 80 31 Insufficient
    These tests show that a transparency of more than 40% is necessary to ensure sufficiently rapid cooking.
    If the protective filter does not have sufficient inherent rigidity, it will advantageously be mounted on a rigid peripheral frame.
    Preferably, the protective filter according to the invention is removable.
    The protective filter according to the invention can be placed on the vertical barbecue in a fixed or removable manner, by any suitable means (for example nuts, screws, clips, hooks, or by magnetization). An example of attachment is shown in Figure 4/5 and 5/5. The male hooks (n) which are integral with the frame (m) of the protective filter (not shown) fit onto the female hooks (o) which are integral with the vertical barbecue.
    The protective filter according to the invention can also advantageously be placed removably on a wire cage (c) containing the food (d).
    BE2017 / 0051
    An additional protective panel (Fig 2/5) can advantageously be added horizontally (j) above the protective filter in order to prevent particles emitted by the hearth upwards, via the upward convection currents, from going back down and getting place on food. The protective panel (j) has a size such that it covers the food (d).
    Side protection panels (not shown in Figure 2/5) can also be added vertically and perpendicularly to the hearth on both sides of the device containing the food. A rear vertical panel (Fig 2/5, k) can also advantageously be added parallel to the hearth in order to constitute, with the fat-collecting container (e) a completely closed enclosure comprising the device containing the food.
    Said side and rear panels can be solid walls or consist of a metallic structure identical or similar to the protection filter described above.
    The invention also aims to provide a barbecue of the vertical hearth type, in which is inserted in a removable or fixed manner, at least one protective filter as described above.
    Another object of the invention is to provide a barbecue of the vertical hearth type, in which all of the combustion gases which pass through the perforated walls of the basket constituting the hearth are filtered by one or more protective filters (1) such (s) as described above so as to prevent particles from being carried outside the hearth (Fig 3/5).
    BE2017 / 0051
    Since the fine material used for the protective filter (for example canvas or a metal screen) may not withstand high temperatures for a long time, the filter is preferably positioned at a sufficient distance from the hearth so as to avoid overheating.
    BE2017 / 0051
    Brief description of the figures
    Peculiarities and details of the invention will appear during the following description of the appended figures, which represent a particular embodiment of the invention.
    Generally, the same reference numbers denote the same elements.
    (a) Vertical heating hearth, (b) Fuel (c) Wire cage (d) Food (e) Grease collection container (f) Particulate filter (g) Symbol for infrared rays (h) Ash collecting tank (i) Hopper (j) Upper horizontal protection wall (k) Rear vertical protection wall (l) Particle filter filtering all combustion gases passing through the hearth (m) Peripheral frame supporting the filter (n) Male hook secured to the protective filter frame (o) Female hook secured to the vertical barbecue
    Figure 1/5 is a sectional view of a vertical barbecue of known type.
    Figure 2/5 is a sectional view of a particular embodiment of the protective filter according to the invention showing the protective filter (f) in two configurations: on the left with a wall of
    BE2017 / 0051 upper additional protection (j) and right with an additional rear protection wall (k). The vertical protective side walls perpendicular to the hearth, applied on both sides, do not appear in the figure.
    Figure 3/5 is a sectional view of a particular embodiment of the barbecue according to the invention in which the particle filter (1) filters all of the combustion gases which pass through the perforated walls of the basket constituting the hearth.
    Figure 4/5 is a perspective view of a vertical barbecue according to the invention provided with female hooks (o) intended to receive the male hooks (n) of the frame (m) of the protective filter (not shown) .
    Figure 5/5 is an enlargement of Figure 4/5 showing the mechanism for fixing the frame (m) of the protective filter (not shown) on the vertical barbecue.
    Figures are not drawn to scale.
    BE2017 / 0051
    权利要求:
    Claims (12)
    [1]
    1. Barbecue with vertical hearth comprising, on the one hand, a vertical basket for a fuel, of which at least one vertical or oblique and perforated wall and, on the other hand, a device for holding food facing the basket, characterized in that at least one protective filter is positioned substantially vertically between the above-mentioned perforated wall of the basket and the food holding device, the protective filter being pierced with openings of less than 4 mm2 and having permeability to infrared rays at least 39%.
    [2]
    2. Barbecue according to claim 1, characterized in that the openings of the protective filter have an area of less than 1 mm 2 and a permeability to infrared rays greater than 40%.
    [3]
    3. Barbecue according to claim 2, characterized in that the protective filter consists of openings of less than 0.53 mm2.
    [4]
    4. Barbecue according to any one of claims 1 to 3, characterized in that the protective filter is a metallic structure.
    [5]
    5. Barbecue according to claim 4, characterized in that the protective filter is a metallic fabric.
    [6]
    6. Barbecue according to any one of claims 1 to 5, characterized in that the protective filter is surmounted by a horizontal wall (j) covering the food.
    [7]
    7. Barbecue according to any one of claims 1 to 6, characterized in that the protective filter comprises additional side walls
    BE2017 / 0051 vertical and perpendicular to the hearth, on both sides of the food holding device.
    [8]
    8. Barbecue according to claim 7, characterized in that the protective filter comprises an additional rear vertical protective wall (k).
    [9]
    9. Barbecue according to any one of claims 1 to 8, characterized in that the protective filter is removable.
    [10]
    10. Protective filter (f) against the deposit, in a barbecue with a vertical hearth and solid fuel, of solid particles on food, said filter comprising a metallic fabric designed to be interposed between an openwork wall of the barbecue hearth and a device for supporting food in the barbecue, the fabric being pierced with openings of less than 1 mm 2 and having a permeability to infrared rays of at least 40%.
    [11]
    11. Protective filter according to claim 7, characterized in that the openings of the fabric have less than 0.53 mm2.
    [12]
    12. Filter according to claim 10 or 11, characterized in that the metal fabric is supported by a rigid metal frame, comprising means for fixing it in a barbecue with a vertical hearth, substantially vertically between said hearth and the aforementioned device for holding the food, parallel to the fireplace and the device and facing them.
    BE2017 / 0051
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    BE2017 / 0051
    SHORT
    Vertical barbecue containing a particle protection filter, positioned vertically, parallel to the fireplace and facing it, between the fireplace and a food holding device, and filter supported by a frame whose attachment is suitable vertical barbecues.
    PATENT COOPERATION TREATY
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    同族专利:
    公开号 | 公开日
    BE1024287A1|2018-01-12|
    FR3050917A1|2017-11-10|
    FR3050917B1|2018-09-07|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US5782168A|1997-08-05|1998-07-21|Krhnak; Peter S.|Portable grill|
    DE102004042766A1|2004-09-05|2006-03-23|Reh, Claudia|Health grill for heating e.g. meat, has heating boxes hung in metal cover, and hole in perforated sheet serving for holding free end of grill type skewer or free pivot of grill bag|
    EP2949246A1|2014-05-29|2015-12-02|Giovanni Bonacci|Improved barbecue|
    DE202014007487U1|2014-09-13|2015-01-09|Mahmud Tabrizi Nader|The smoke- and tamper-free, energy-saving minced meat skewer vertical grill|
    FR3080527B1|2018-04-27|2020-05-22|Smow|BARBECUE WITH VERTICAL FIREPLACES AND WALL-COOKING ENCLOSURE|
    法律状态:
    2018-02-22| FG| Patent granted|Effective date: 20180115 |
    2020-02-05| MM| Lapsed because of non-payment of the annual fee|Effective date: 20190531 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1670212|2016-05-05|
    FR1670212A|FR3050917B1|2016-05-05|2016-05-05|PROTECTION FILTER FOR BARBECUE WITH VERTICAL FIREPLACE.|
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