EP0386957A1 - Poêle à gaz - Google Patents

Poêle à gaz Download PDF

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Publication number
EP0386957A1
EP0386957A1 EP90302247A EP90302247A EP0386957A1 EP 0386957 A1 EP0386957 A1 EP 0386957A1 EP 90302247 A EP90302247 A EP 90302247A EP 90302247 A EP90302247 A EP 90302247A EP 0386957 A1 EP0386957 A1 EP 0386957A1
Authority
EP
European Patent Office
Prior art keywords
burner
gas
tray
venturi
layer
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Withdrawn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
EP90302247A
Other languages
German (de)
English (en)
Inventor
Alan Thurlow
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0386957A1 publication Critical patent/EP0386957A1/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Withdrawn legal-status Critical Current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
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/002—Stoves
    • F24C3/006—Stoves simulating flames

Definitions

  • the present invention relates to a gas fire, and in particular to a solid fuel or log effect open gas fire.
  • Solid fuel effect fires have been known for some time and generally comprise a base or tray which holds refractory particulate material on top of which is placed a number of refractory bodies to represent coals or logs. Gas fed to the particulate material is ignited and burns around the bodies to give a real fire effect.
  • a solid fuel effect fire comprising a tray for receiving a layer of refractory particulate material and, on top of said layer, a plurality of refractory bodies representing coals and/or logs, a burner disposed within said tray underneath said layer of refractory particulate material, said burner comprising a gas inlet and plurality of gas outlets, and means for admitting air to said burner, wherein said plurality of gas outlets are located at or close to the base of the burner.
  • said layer of refractory particulate material is at least 2 inches thick and comprises insulating material such as vermiculite, perlite or similar. This protects the walls of the burner from the heat of the fire, thus helping to prevent back ignition.
  • said gas inlet comprises a small diameter venturi located within said burner, said venturi being of such length that the gas and air mix issuing therefrom is caused to bounce back from the opposite end of the burner, thereby increasing the pressure of gas and air in the burner.
  • the venturi may be L or elbow shaped to allow other burner heads to be built in at any place in the burner.
  • the gas and air mixture issuing from the outlets permeates up through the vermiculite to be ignited on the top surface of the tray by a pilot burner with thermal coupling.
  • a burner comprising a gas inlet, a plurality of gas outlets, and means for admitting air to said burner, in which said gas outlets are located at or close to the base of the burner.
  • the burner which can run on natural gas or LPG, is designed to be a free standing open fire or can be fitted in a closed stove, convection box, or central heating stove. In a closed stove, it is designed to burn clean without sooting and could be used in Class 1 or Class 2 chimneys.
  • Air is admitted to air intake 3 which comprises a series of slots 3a, so that a gas and air mixture issues from the venturi 5 to fill the burner 7.
  • the air intake 3 can be regulated by a sliding plate 4 which can be moved over the slots 3a as required.
  • a layer of refractory particulate material such as vermiculite 12 covers the burner 7, and the gas is forced to rise up through the vermiculite to be ignited on top of the fire by means of a pilot burner with thermal coupling (see reference numeral 10). Ceramic fibre coals or logs 13 are placed on top of the vermiculite to simulate a solid fuel fire.
  • the burner 7 is prevented from getting too hot due to the insulating effect of the vermiculite, and this prevents back ignition.
  • venturi 5 is extended some way along the burner 7, so that the gas and air mixture will be caused to bounce from one end 15 of the burner to the other end, thereby building up pressure and forcing the mixture out of the holes 8.
  • the gas and air mixture in the burner 7 at any one time is prevented from entering venturi 5 by the fact that the pressure of the new gas/air mixture issuing from the venturi is greater than the pressure already in the tube.
  • An end plate 14 holds the venturi 5 in position and prevents back pressure getting out of the air intake or into the gas jet 2. This burner head is shown in more detail in Fig 4.
  • FIG 2 An alternative embodiment is shown in Fig 2 in which the tray 11, burner 7, vermiculite layer 12, and coals/logs 13 are the same but the burner head is located centrally of the burner tube 7 with the venturi extending vertically into the tube 7.
  • the gas inlet in this embodiment is elbow shaped with the jet 2 vertically above the inlet 1.
  • the tray 11 stands on legs 11a with the burner head being accommodated in the space between the tray and the bottom of legs 11a.
  • an alternative arrangement of burner head comprises a elbow shaped venturi 20 which has integral air intake slots.
  • the horizonal part of venturi 20 extends horizontally along tube 7 as in Fig 1, but the vertical part of the venturi protrudes from the base of tube 7 where it is held in place by a sold plate 23. Air is drawn in through slots 21 which are surrounded by housing 23. Again, gas is fed into the venturi along gas inlet 1 and jet 2.
  • Figs 6 and 7 illustrate slightly different air intake mechanisims.
  • the housing 23 is solid and surrounds slots 21 in the venturi itself, as in Fig 5.
  • the housing 24 is slotted and forms an interconnecting chamber between jet 2 and venturi 20.
  • Fig 8 illustrates a U shaped burner tube 30 again supplied with holes 8 near its base.
  • Two burner heads 31, 32 are provided with their venturis 31a, 32a pointing towards each other.
  • the same arrangement of burner tube 30 in Fig 9 has one burner 35 at the end of the U and a second burner 36 at the centre of the U, with their respective venturis 35a, 36a both pointing towards the other end of the U.
  • Fig 10 illustrates an embodiment in which there are 4 interconnecting burner tubes 7a, 7b, 7c and 7d which together form a rectangular arrangement of burner tubes.
  • Two burner heads 40, 42 are illustrated, located at opposite corners of the rectangle, but there could be a total of four burners. one at each corner.
  • the vermiculite fills the centre of the rectangular burner arrangement and also covers the burners to a minimum depth of 2 inches.
  • Fig 11 illustrates a circular burner tube 7e with a single burner head 44. Again, vermiculite 12 fills the centre of the burner tube and covers the tube to at least 2 inches, as in all of the other embodiments.
  • burner tubes may be in any desired shape and arrangement, and can be fitted in trays of the same of different shape.
  • burner heads can be varied as required.
  • FIG 12 this illustrates some modifications to the burner tray 11.
  • Two pieces of stainless steel gauze 50 and 52 are located under the vermiculite, to bring the gas to the front of the tray more easily.
  • a piece of steel 54 is located at the rear of the burner, to stop gas going to the rear of the tray, and extra holes 56, 58 are provided. one at each end of the tube.
  • the pilot 10 is located adjacent one of the steel gauze pieces, 52.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)
EP90302247A 1989-03-04 1990-03-02 Poêle à gaz Withdrawn EP0386957A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB898905011A GB8905011D0 (en) 1989-03-04 1989-03-04 Gas fire
GB8905011 1989-03-04

Publications (1)

Publication Number Publication Date
EP0386957A1 true EP0386957A1 (fr) 1990-09-12

Family

ID=10652769

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90302247A Withdrawn EP0386957A1 (fr) 1989-03-04 1990-03-02 Poêle à gaz

Country Status (2)

Country Link
EP (1) EP0386957A1 (fr)
GB (2) GB8905011D0 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2511850A (en) * 2013-03-15 2014-09-17 Active Food Systems Ltd Cooking Apparatus

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2304086C (fr) * 1999-06-03 2005-11-29 Robert V. Pedersen Rechaud de camping au gaz portatif
CA2353186A1 (fr) * 2000-07-18 2002-01-18 The Coleman Company, Inc. Allume-feu pour foyers
US7047963B2 (en) * 2001-03-26 2006-05-23 Van Vleet Daniel W Apparatus and method for simulated campfire
US6926517B2 (en) 2003-10-28 2005-08-09 Daniel W. Van Vleet Apparatus and method for simulated campfire

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1173819A (en) * 1967-05-26 1969-12-10 Jack Irvine Imitation Solid Fuel Fire
GB2006951A (en) * 1977-10-14 1979-05-10 Dorian H D Gas fire
FR2617576A1 (fr) * 1987-07-01 1989-01-06 Auer Soc Ind Dispositif formant bruleur a gaz, notamment pour appareil de chauffage

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB468421A (en) * 1935-05-10 1937-07-02 Arthur Klugmann Improvements in and relating to apparatus for heating fluids
GB866273A (en) * 1958-06-17 1961-04-26 Joseph Kenneth Adams Improvements in and relating to gas-fired air- or space heaters
NL6400363A (fr) * 1964-01-17 1965-07-19
US3386431A (en) * 1966-08-09 1968-06-04 Robertshaw Controls Co Burner construction and method and apparatus for making the same and the like
GB2208704B (en) * 1987-08-17 1991-07-31 Stewart Alan Lowe Solid fuel effect gas fire
GB8719655D0 (en) * 1987-08-20 1987-09-30 Gas Logs Brailsford Ltd Gas burner
GB8819386D0 (en) * 1988-08-15 1988-09-14 Focal Point Fires Ltd Fuel-effect gas fires

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1173819A (en) * 1967-05-26 1969-12-10 Jack Irvine Imitation Solid Fuel Fire
GB2006951A (en) * 1977-10-14 1979-05-10 Dorian H D Gas fire
FR2617576A1 (fr) * 1987-07-01 1989-01-06 Auer Soc Ind Dispositif formant bruleur a gaz, notamment pour appareil de chauffage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2511850A (en) * 2013-03-15 2014-09-17 Active Food Systems Ltd Cooking Apparatus
GB2511850B (en) * 2013-03-15 2016-04-20 Active Food Systems Ltd Cooking Apparatus

Also Published As

Publication number Publication date
GB9004788D0 (en) 1990-04-25
GB8905011D0 (en) 1989-04-19
GB2228791A (en) 1990-09-05

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