EP1248930B1 - Bruleur a gaz pour foyer a feu ouvert - Google Patents

Bruleur a gaz pour foyer a feu ouvert Download PDF

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Publication number
EP1248930B1
EP1248930B1 EP01904634A EP01904634A EP1248930B1 EP 1248930 B1 EP1248930 B1 EP 1248930B1 EP 01904634 A EP01904634 A EP 01904634A EP 01904634 A EP01904634 A EP 01904634A EP 1248930 B1 EP1248930 B1 EP 1248930B1
Authority
EP
European Patent Office
Prior art keywords
burner
block
gas
gas burner
fireplace
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.)
Expired - Lifetime
Application number
EP01904634A
Other languages
German (de)
English (en)
Other versions
EP1248930A1 (fr
Inventor
Bartholomeus Schaafsma
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.)
Faber International BV
Original Assignee
Faber International BV
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 Faber International BV filed Critical Faber International BV
Publication of EP1248930A1 publication Critical patent/EP1248930A1/fr
Application granted granted Critical
Publication of EP1248930B1 publication Critical patent/EP1248930B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/002—Stoves
    • F24C3/006—Stoves simulating flames

Definitions

  • the present invention relates to a gas burner for a fireplace, wherein the illusion of a log fire is created with log-like blocks of substantially incombustible material and a gas flame coming from a burner.
  • Such a configuration is known from the American patent specification 4,992,041, where the burner is formed with a conduit, in which outlet openings are arranged on the upper side of the conduit for outflow of gas from the gas feed during operation of the gas burner.
  • the log-like blocks and the burner are disposed next to and substantially independently of each other.
  • the known configuration has a number of drawbacks. It has been found that the result achieved in simulating a log fire is inadequate in practice. The result does not have a natural appearance. The configuration looks unnaturally the same at all times; the flames always appear to originate from the side of the burner.
  • the present invention has for its object to obviate or at least diminish the above stated drawbacks of the known gas burners, for which purpose a gas burner for a fireplace is provided with the properties of claim 1.
  • the gas flames appear to a greater extent to come from the log-like block, particularly as a result of the feature that the block is arranged on the holder, and the openings are opposite thereto. As a result more naturally random flames appear to be curling around the block.
  • a disposition of the log-like block standing obliquely upward is possible, which contributes toward the natural impression associated with a real log fire. All this, while the actual burner of the gas burner is concealed from view behind the log-like block, whereby the actual burner is not visible.
  • the holder and the burner can form a unit.
  • a further simplification of the configuration is hereby realized.
  • the block can be manufactured from ceramic material. This is a simple and at present relatively inexpensive implementation of the block, wherein it must be noted that ceramic materials can be readily designed in a log shape.
  • At least the majority of the outlet openings is preferably arranged on the underside of the burner.
  • the flames hereby curl round the block in an even more natural, random manner.
  • the outlet openings can be ordered in at least two rows, for instance on either side of a vertical plane through the heart or centre line of the burner and/or of the block.
  • the gas flames are hereby directed upward on either side along the block, which contributes to a more natural appearance.
  • the holder can comprise engaging means for engaging the block.
  • a fixed mounting or, alternatively, selectively releasable engaging means can be envisaged here.
  • the log-like block can be replaced by another block to enable production of gas burners of differing appearance from which the final user can choose and/or to give the user the opportunity of changing the block occasionally so as to give his fireplace a different appearance.
  • Said engaging means can comprise at least one pin, wherein a hole corresponding with the pin is arranged in the block to form a pin-hole connection between block and holder.
  • the position of the holder and the burner relative to the foot is preferably adjustable during production and/or during use.
  • Gas burners and/or fireplaces of greatly varying appearance can hereby also be produced and supplied from which the final user can choose, or the user can even vary the position in order to change the appearance of his fireplace after a period of time or regularly.
  • a flexible connection is for instance arranged between the foot and the burner, which connection, while being flexible, will maintain a position of the holder and the burner once it is taken up.
  • a recess corresponding with the burner and for receiving the burner therein can be arranged in the block in the longitudinal direction thereof, wherein the outlet openings are free of the material of the block.
  • the present invention otherwise relates to a fireplace with a gas burner as described in the foregoing and also in the figure description following hereinbelow.
  • a fireplace can be per se of many different types, for instance a closed or open fireplace, even a hybrid type in which wood and gas can even be burned simultaneously or alternately.
  • Fig. 1 shows a fireplace 1 with a gas burner 2 according to the present invention.
  • Fireplace 1 comprises a barrel-shaped housing 3 and is connected to a flue duct 4 for supply and discharge respectively of clean air and combustion air.
  • Fireplace 1 is further connected to a gas conduit 5 having therein a tap 6.
  • the barrel-shaped housing 3 can be closed with a door 7 with an opening closed by a heat-resistant glass plate 8.
  • Door 7 can be opened and closed with handle 9 to obtain access to the interior of fireplace 1 where the gas burner 2 is disposed.
  • the door and/or the closure of fireplace 1 is of course not a limiting condition of the invention; fireplace 1 could be open, and so on.
  • Gas burner 2 comprises, as also shown in fig. 2, a log-like block 10 of ceramic material with a part 11 resembling tree bark and a part 12 resembling wood, and a burner 13 which is placed on a foot 14, which can be connected with opening 15 to a gas supply as is designed in fig. 1 as gas conduit 5.
  • Burner 13 comprises two rows of outlet openings 16, only one row of which is visible in fig. 2.
  • the outlet openings are directed downward, whereby the gas flowing out of the outlet openings moves in the direction of arrows A under the influence of the pressure prevailing in the gas supply.
  • the gas is ignited very natural flames are created due to this downward orientation of the outlet openings in rows 16, which flames pass along block 10 in upward direction as if block 10 itself were burning.
  • Burner 13 is closed at the free end thereof with a plug 17. All the gas flowing out of burner 13 will thus come out of the rows 16 with outlet openings, and not out of the end of the burner closed with plug 17.
  • Burner 13 is further provided with an air supply hole 18, through which combustion air is drawn in and added to the gas for combustion flowing to the rows 16 with outlet openings. It is noted that such a hole 18 is of course not a prerequisite for the invention, a premixed mixture of gas and air without hole 18 would suffice equally well.
  • Burner 13 further comprises two pins 19 which protrude upward from and are fixed to the conduit 20 by which the burner 13 is substantially formed. These pins 19 are placed into holes 21 drilled into the log-like block 10. Due to the position of the pins 19 corresponding with the position of burner 13 relative to foot 14, the block 10 is held fast with certainty and reliably by pins 19, which thus form engaging means. Block 10 can be arranged fixedly on pins 19 or simply placed loosely thereon with the holes 21 over the pins 19. In this latter case the block 10 can also be replaced, for instance when a user wishes to create a different appearance by placing a different block on burner 13. In the case where two or more than two pins 19 are used, it is recommended herein that the distance between the pins is known in advance and is preferably a standard distance in respect of the positioning of the holes 21 to be arranged in the block or a different block.
  • burner 13 simultaneously forms a holder for log-like block 10.
  • a holder and the burner 13 can be designed separately.
  • Block 10 can further be hollowed out in a manner not shown along a length corresponding with the length of burner 13, or at least that part of burner 13 which actually extends along block 10.
  • the conduit 20 of burner 13 can be embedded in the material of log-like block 10. It is recommended herein that the rows 16 with outlet openings remain clear, i.e. that rows 16 with outlet openings are not covered by the material of log-like block 10.
  • the conduit 20 of burner 13 is bent through an angle ⁇ which amounts to about 120°.
  • Fig. 5 shows an alternative embodiment where the bend in conduit 20 of burner 13 is a bend through angle ⁇ , wherein angle ⁇ is approximately 105°.
  • the position of the block 10 to be arranged on burner 13 is adjustable or can be adapted as required, for instance at the choice of a buyer or user, by varying the curve or bend through angle ⁇ and/or ⁇ .
  • Conduit 20 then only has to be bent to a greater or lesser extent.
  • a flexible connection is arranged in the bend in conduit 20 of burner 13. It is hereby possible for the buyer or user to himself adjust the bend in conduit 20 of burner 13 and thereby adapt as desired the position of the log-like block 10 to be arranged on burner 13.
  • the foregoing contributes toward the flexibility of the configuration and to an increased enjoyment of the fireplace with the gas burner according to the present invention, since the appearance thereof can be changed by varying the position of log-like block 10 and, as already described above, even by replacing the log-like block 10 with another block.
  • Fig. 4 shows a schematic cross-sectional view along line IV-IV in fig. 3.
  • the rows 16 with outlet openings which are here shown schematically, are placed at an angle ⁇ to the horizontal and thereunder, and are thus directed downward.
  • the angle ⁇ is for instance about 30°, but this can be greatly varied within the scope of the present invention.
  • the choice of an angle ⁇ can furthermore depend on the extent to which burner 13 is embedded in block 10 in the above described manner.
  • the embodiment of fig. 5 comprises a further feature, wherein sleeves 22 are arranged over the rows 16 with outlet openings.
  • sleeves 22 are arranged over the rows 16 with outlet openings.
  • a number of outlet openings can simply not be arranged along the length of the rows 16 with outlet openings.
  • the sleeves 22 have the advantage that the flame image, as it results when the flames lick along block 10, can be influenced within limits associated with combustion.
  • Such sleeves 22 on either side of conduit 20 can herein hook into associated grooves above and below the rows 16 with outlet openings, wherein the grooves extend in longitudinal direction of the conduit and the sleeves are slidable herein along the length of conduit 20.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)

Claims (15)

  1. Brûleur à gaz pour foyer à feu ouvert, comprenant :
    un pied (14) pour une fixation dans le foyer ;
    un support allongé connecté au pied ;
    un brûleur (2) à connecter à l'alimentation de gaz du foyer et s'étendant le long du support ; et
    un bloc en forme de bûche (10) disposé selon au moins un point de vue devant le brûleur, lequel bloc (10) est fait d'un matériau sensiblement incombustible, avec une longueur suffisant à la dissimulation quasi totale du brûleur,
       dans lequel le brûleur (2) comprend un certain nombre d'ouvertures de sortie en des positions présélectionnées (16) à travers lesquelles le gaz en provenance de l'alimentation de gaz se répand à l'extérieur du brûleur (2) pendant le fonctionnement du brûleur à gaz, dans lequel le bloc est disposé sur le brûleur et des ouvertures sont disposées sur la partie inférieure du brûleur (2), du côté opposé au bloc (10), pour amener les flammes à s'enrouler autour du bloc.
  2. Brûleur à gaz selon la revendication 1, dans lequel le support et le brûleur forment une unité (13).
  3. Brûleur à gaz selon la revendication 1 ou 2, dans lequel le bloc (10) est fabriqué dans un matériau céramique.
  4. Brûleur à gaz selon la revendication 1, 2 ou 3, dans lequel au moins la majorité des ouvertures de sortie est disposée sur la partie inférieure du brûleur.
  5. Brûleur à gaz selon l'une quelconque des revendications précédentes, dans lequel les ouvertures de sortie sont ordonnées en au moins deux rangées (16).
  6. Brûleur à gaz selon la revendication 5, dans lequel les rangées sont disposées symétriquement en vis-à-vis par rapport à un plan défini par le coeur ou la ligne centrale du brûleur (13) et/ou du bloc (10).
  7. Brûleur à gaz selon l'une quelconque des revendications précédentes, dans lequel le support (13) comprend des moyens d'engagement (19) pour une mise en prise avec le bloc.
  8. Brûleur à gaz selon la revendication 7, dans lequel les moyens d'engagement peuvent être libérés de manière sélective.
  9. Brûleur à gaz selon la revendication 7 ou 8, dans lequel les moyens d'engagement comprennent au moins une broche (19), et un orifice (21) correspondant à la broche est disposé dans le bloc pour former une connexion à broche et orifice entre le bloc (10) et le support (13).
  10. Brûleur à gaz selon l'une quelconque des revendications précédentes, dans lequel la position du support (13) et du brûleur (13) par rapport au pied (14) est ajustable au cours de la production et/ou pendant l'usage.
  11. Brûleur à gaz selon la revendication 10, dans lequel le pied (14) et au moins le brûleur (13) forment une unité.
  12. Brûleur à gaz selon la revendication 11, dans lequel le pied (14) comprend l'alimentation de gaz (15).
  13. Brûleur à gaz selon la revendication 10, 11 ou 12, dans lequel une connexion flexible est agencée entre le pied et le brûleur.
  14. Brûleur à gaz selon l'une quelconque des revendications précédentes, dans lequel un renfoncement correspondant au brûleur et destiné à recevoir le brûleur est agencé dans le bloc, dans le sens longitudinal de celui-ci, dans lequel les ouvertures de sortie sont libérées du matériau du bloc.
  15. Foyer à feu ouvert (1) avec un brûleur à gaz (2) selon une ou plusieurs des revendications précédentes.
EP01904634A 2000-01-04 2001-01-03 Bruleur a gaz pour foyer a feu ouvert Expired - Lifetime EP1248930B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL1014011 2000-01-04
NL1014011A NL1014011C2 (nl) 2000-01-04 2000-01-04 Gasbrander voor een haard.
PCT/NL2001/000002 WO2001050064A1 (fr) 2000-01-04 2001-01-03 Bruleur a gaz pour foyer a feu ouvert

Publications (2)

Publication Number Publication Date
EP1248930A1 EP1248930A1 (fr) 2002-10-16
EP1248930B1 true EP1248930B1 (fr) 2004-10-13

Family

ID=19770550

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01904634A Expired - Lifetime EP1248930B1 (fr) 2000-01-04 2001-01-03 Bruleur a gaz pour foyer a feu ouvert

Country Status (5)

Country Link
EP (1) EP1248930B1 (fr)
AU (1) AU3246901A (fr)
DE (1) DE60106386T2 (fr)
NL (1) NL1014011C2 (fr)
WO (1) WO2001050064A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2013190B1 (nl) * 2014-07-15 2016-09-13 Kal-Fire B V Haard.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3540258A (en) * 1966-08-09 1970-11-17 Robertshaw Controls Co Burner construction and method and apparatus for making the same and the like
US4828485A (en) * 1988-04-18 1989-05-09 R. H. Peterson Co. Fireplace burner apparatus with emberizing structure
US4992041A (en) * 1989-11-13 1991-02-12 Gas Research Institute Method and apparatus for producing a wood-like flame appearance from a fireplace-type gas burner
US5399084A (en) * 1993-12-16 1995-03-21 Mccullough; Sam Gas fireplace burner
US5584680A (en) * 1994-07-28 1996-12-17 The Majestic Products Company Unvented gas log set
US5452709A (en) 1994-08-18 1995-09-26 G.I.W. Management, L.L.C. Tiered-logs gas-burning heaters or fireplace insert
US5601073A (en) * 1995-01-06 1997-02-11 Shimek; Ronald J. Flat pan gas burner for gas fireplaces

Also Published As

Publication number Publication date
WO2001050064A1 (fr) 2001-07-12
DE60106386T2 (de) 2005-11-17
AU3246901A (en) 2001-07-16
DE60106386D1 (de) 2004-11-18
NL1014011C2 (nl) 2001-01-19
EP1248930A1 (fr) 2002-10-16

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