WO2007039126A1 - Appareil a effet optique - Google Patents

Appareil a effet optique Download PDF

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Publication number
WO2007039126A1
WO2007039126A1 PCT/EP2006/009186 EP2006009186W WO2007039126A1 WO 2007039126 A1 WO2007039126 A1 WO 2007039126A1 EP 2006009186 W EP2006009186 W EP 2006009186W WO 2007039126 A1 WO2007039126 A1 WO 2007039126A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
viewing
light source
light transmitting
transmitting member
Prior art date
Application number
PCT/EP2006/009186
Other languages
English (en)
Inventor
Noel O'neill
Original Assignee
Basic Holdings
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 Basic Holdings filed Critical Basic Holdings
Priority to EP06805798A priority Critical patent/EP1938018A1/fr
Publication of WO2007039126A1 publication Critical patent/WO2007039126A1/fr

Links

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
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/002—Stoves
    • F24C7/004—Stoves simulating flames

Definitions

  • the present invention relates to apparatus for producing an optical effect and in particular to space heaters including an optical effect and more especially to such apparatus where the optical effect is intended to resemble one or both of burning fuel or flames.
  • the invention relates to an optical effect features of which are controllable by a user.
  • electric fires which include means for simulating burning fuel and/or flames.
  • electric fires include a heat source which historically has been one or more radiant heating bars but is now more commonly a fan heater comprising heating element and a fan to blow air over the hot heating element.
  • the air exits the housing through a suitable aperture to heat the room.
  • a simulated fuel bed is provided which often comprises a plastic moulding shaped and coloured to represent fuel, embers and ashes.
  • the fuel bed will be primarily coloured orange and red with brown, black and grey areas to represent burning fuel.
  • Discrete pieces of fuel, or simulated fuel may be placed on the fuel bed, to resemble logs or coals, as required.
  • the fuel bed is illuminated from below by a light source and means are provided in the path of light from the light source to the fuel bed to interrupt or reflect the light to give the impression of movement and changes in intensity.
  • a viewing screen is provided, usually above the fuel bed. Light from the light source is caused to fall on the rear of the viewing screen and flame effect means are interposed between the light source and the viewing screen to alter the qualities of the light and to give the light falling on the viewing screen an impression of movement.
  • Numerous flame effect means have been described in the prior art including static and moving reflectors, apertured webs of substantially opaque material and reflective or partially reflective strips of material, such as silk, suspended in an air flow to cause them to flutter.
  • EP 1271060 describes a flame effect fire including an opaque screen with flame shaped cut-outs.
  • a dynamic light source is arranged to shine light through the cut-outs and onto a viewing screen.
  • the dynamic light source comprises an apertured plate formed into a cylinder, and a light bulb.
  • the light bulb is arranged within the cylinder and the cylinder is driven by a motor to rotate about its axis.
  • GB 2137336 discloses the flame effect in which two parallel glass plates are used. The plates illuminated from below. Each plate has an applied pattern so that areas are made opaque. The planes are mounted not more than 2 cm apart.
  • the lower plate is circular and is rotated by motor.
  • the upper plate can support a fuel bed in the form of coloured or colourless fuel pieces. Lead crystal is preferred. Light from the light source, after passing through the plates may also be reflected by an upright rear reflecting plate.
  • GB 2236845 describes a flame effect electric fire in which a laser or other collimated light beam is passed through a first, static, deflector and a second, moving, deflector.
  • the moving deflector executes both rotational and translational motion.
  • the deflectors comprise glass plates with a surface relief pattern effective to refract the light.
  • the light is further modified by a series of lenses.
  • GB2256040 describes a log effect in which a light source is placed behind a rotating disc having translucent coloured segments. Coloured light from the rotating disc falls on the bunched ends of an array of optic fibres. The remote ends of the optic fibres are distributed through plurality of simulated logs with the intention of giving a glowing effect to the logs.
  • GB2409323 describes a flame effect fire comprising a light source including a bulb mounted behind a rotatable disc with differently coloured segments.
  • An optic fibre harness is mounted at the other side of the disc so that light which has passed through the disc passes into the optic fibres.
  • the other ends of the optic fibres are distributed around the lower edge and base region of a glass viewing screen, which may be patterned.
  • WO2005/045321 describes a flame simulating arrangement including a light source and a rotating apertured disc.
  • Light source preferably comprises an array or arrays of LEDs.
  • Light passing through the apertures of the disc is conveyed by the optic fibres to a viewing screen or to a fuel bed of transparent refractory material.
  • the apertured disc is said to act like a rotating shutter to vary the light intensity.
  • WO2004/079267 describes a gas fire in which a rotating disc is illuminated from below.
  • the disc is patterned or coloured.
  • Light from the disc passes through an angled apertured plate onto the back wall of the fire, behind a fuel bed and gas combustion area.
  • a second light source and disc arrangement can be use to provide background illumination for the fuel bed.
  • the present invention seeks to provide an enhanced optical effect which may, but does not necessarily, resemble burning fuel and/or flames.
  • a viewing screen in which the optical effect may be observed
  • light modifying means arranged behind the viewing screen and comprising at least first and second light modifying components
  • at least one at least partially light transmitting member having optically differentiated regions, said member being disposed in the path of light from the light source to said light modifying means; and
  • an apparatus for providing an optical effect comprising: (i) a housing
  • a viewing bed observable by a user from the front of the housing
  • a light source disposed below the viewing bed
  • at least one at least partially light transmitting member having optically differentiated regions, said member being disposed in the path of light from the light source to said viewing bed; and
  • the apparatus further comprises
  • a viewing screen in which an optical effect may be observed
  • light modifying means arranged behind the viewing screen and comprising at least first and second light modifying components, and wherein said at least one at least partially light transmitting member is also disposed in the path of light from the light source to said light modifying means.
  • an apparatus for providing an optical effect comprising: (i) a housing
  • a light source mounted in the housing
  • a viewing screen in which an optical effect may be observed
  • a viewing bed observable by a user from the front of the housing
  • light modifying means arranged behind the viewing screen and comprising at least first and second light modifying components
  • at least one at least partially light transmitting member having optically differentiated regions, said member being disposed in the paths of light from the light source respectively to said light modifying means and said viewing bed;
  • the light modifying means comprises first and second light modifying components.
  • the viewing bed viewing bed comprises an at least locally translucent substrate shaped and coloured to resemble burning fuel.
  • the viewing bed comprises a supporting substrate and discrete viewing elements arranged on the supporting substrate.
  • the supporting substrate is a frame or other openwork construction.
  • the supporting substrate is a substantially opaque supporting web including a plurality of light transmitting apertures.
  • the supporting substrate comprises a web of substantially transparent material and especially a body of glass or transparent plastic. Glass is particularly preferred.
  • the discrete viewing elements comprise fuel pieces or simulated fuel pieces.
  • the discrete viewing elements comprise pieces of translucent or transparent material and especially pieces of glass. Glass beads are particularly preferred.
  • the first light modifying component comprises a reflector mounted behind (with respect to the viewing screen) the second light modifying component.
  • the second light modifying component comprises a dynamic light modifying component.
  • the dynamic light modifying component comprises at least one at least partially reflective web of material suspended within the housing and means for providing a flow of air to the web of material whereby the web of material is caused to billow or flutter.
  • said material comprises a plurality of strips of material.
  • the apparatus comprises a web of said material including a plurality of light transmitting apertures.
  • the optical effect which may be observed in the viewing screen simulates or resembles flames.
  • the means for moving said light transmitting member with respect to the light source includes one or more stepper motors.
  • Geared motors are a somewhat less preferred alternative.
  • the or each at least partially light transmitting member having optically differentiated regions comprises a substrate, which substrate is preferably generally planar. Most preferably said substrate comprises differently coloured regions. In another embodiment the or each at least partially light transmitting member having optically differentiated regions comprises a substrate having non-planar surface formations. The formations are thus effective in refracting light transmitted by the substrate.
  • the at least partially light transmitting member having optically differentiated regions comprises a substrate having opaque or darkened regions.
  • each at least partially light transmitting member having optically differentiated regions comprises a substrate having differently coloured regions and one or more of regions having a non-planar surface, opaque regions and darkened regions.
  • the substrate is a substantially planar disc operatively rotated about its axis.
  • the light transmitting member having optically differentiated regions comprises a first substrate portion and a second substrate portion attached to and angularly arranged with respect to said first substrate portion.
  • the first substrate portion may comprise a disc and the second substrate portion comprises a substantially cylindrical skirt depending from the disc. Both the disc and the skirt may include optically differentiated regions.
  • the optically differentiated regions are preferably differently coloured regions but may also include one or more of regions having a non-planar surface, opaque regions and darkened regions.
  • the first substrate portion is arranged substantially above the light source and the second substrate portion is arranged to substantially surround the light source.
  • the disc lies above the light source and the skirt is arranged to encompass the light source so that light from the light source passes through both the disc and the skirt.
  • the apparatus of the invention further comprises user-operable control means operable to control the movement of the at least one at least partially light transmitting member having optically differentiated regions.
  • the control means is preferably operable to control the speed of rotation of the disc. Additionally or alternatively the control means is preferably operable to control the rotational position of the disc.
  • the apparatus comprises a plurality of (more especially two or three or four and most preferably two) at least partially light transmitting members having optically differentiated regions and the control means is operable independently to control the movement of said light transmitting members.
  • the means for moving said light transmitting member with respect to the light source includes a stepper motor for each respective at least partially light transmitting member and the control means is operable to control each stepper motor independently.
  • the at least partially light transmitting members having optically differentiated regions comprise discs as defined above.
  • control means is operable to control the speed of rotation of the respective discs.
  • control means is operable to control the rotational positions of the respective discs.
  • FIG. 1 is a general perspective view of a heating apparatus embodying the invention
  • Figure 2 is a cross section through the apparatus of Figure 1 ;
  • Figure 3 is a schematic cross-section along B-B in Figure 2
  • Figure 4 is a schematic cross-section along A-A in Figure 2
  • Figure 5 is a schematic cross-section through an alternative light transmitting member according to the invention.
  • the apparatus 10 of the invention comprises a casing or housing 12 typically comprising a rear wall 12A 1 a top wall 12B, a bottom wall 12C 1 a front wall 12D and respective side walls 12E and 12F.
  • the apparatus may also include a canopy 12G.
  • the respective walls are conveniently made from formed metal sheets suitably joined together.
  • the housing 12 will normally include fixing locations and formations for the attachment of internal components and may included external decorative components, such as a simulated fire grate.
  • the apparatus 10 further comprises a front viewing screen 14 in which an image of flames 16 or other optical effect created by the apparatus 10 may be seen by a user.
  • the screen 14 may be made from glass or translucent plastic.
  • the screen 14 is formed so that it is partially transmitting of light and partially diffusing of light.
  • a surface (preferably the rear surface) of the screen 14 may be provided with fine abrasions.
  • the plastic may be doped with a fine pulverulent material such as titanium dioxide powder.
  • the front surface of the screen 14 may be rendered partially reflective, for example by providing the screen surface with a thin silvered layer.
  • the apparatus 10 is further provided with a viewing bed 18 disposed in front of the viewing screen 14. Where the front surface of the viewing screen 14 is made reflective, and image of the viewing bed 18 can be seen in the viewing screen 14, so enhancing the optical effect.
  • the viewing bed 18 may comprise a plastic moulding shaped and coloured, for example, to resemble burning fuel and embers. More preferably, the viewing bed 18 comprises a supporting substrate 20 and a plurality of viewing elements 22 resting on the supporting substrate 20.
  • the supporting substrate 20 is constructed to transmit light.
  • the supporting substrate 20 may be a sheet or web of material, such as of metal or plastic which, although generally opaque includes a plurality of light transmitting apertures.
  • the supporting substrate 20 may be of openwork construction such as a frame or rack constructed from wires or rods, provided only that the supporting structure 20 can adequately support the chosen viewing elements 22.
  • the supporting substrate is shown as substantially planar and horizontal in use. This arrangement is not essential and the supporting substrate 20 may itself be shaped to provide in turn shape to the assembly of viewing elements 22.
  • the supporting substrate 20 comprises a sheet or web of transparent, or at least translucent, material.
  • Transparent or translucent plastic sheet such as polycarbonate or polypropylene is suitable, but glass is preferred.
  • the viewing elements 22 comprise discrete pieces of solid material arranged on, and preferably substantially covering, the supporting substrate 20 in order to provide an interesting and attractive optical effect.
  • the viewing elements 22 may be real or simulated pieces of fuel, such as coals or logs.
  • the viewing elements 22 comprise stones such as pebbles, preferably of a relatively pale colour.
  • the viewing elements 22 comprise pieces of transparent or translucent material, such as of glass or plastic.
  • the viewing elements 22 are glass beads, which are preferably transparent and may be coloured or colourless.
  • a light source 32 is arranged in the lower part of the housing, most preferably under the viewing bed 18. The details of the light source 32 are described further below.
  • a light modifying means 24 which preferably comprises first and second light modifying components.
  • the respective light modifying components comprise a rear reflector 26 and a dynamic light modifying component 28, in particular a flame effect element.
  • the rear reflector is mounted on or proximate the rear wall 12A of the housing 12 and may preferably comprise a sheet of shiny - especially mirror finished - material such as a polished metal sheet or a sheet of metallised plastic.
  • the rear reflector 26 is preferably, but not essentially, generally planar. Shaped reflectors can be used.
  • the rear reflector 26 may be concave or convex or may have an irregularly shaped surface, for example a series of complex curves.
  • a reflector, or an additional reflector may be located elsewhere in the housing than behind the viewing screen 14.
  • a reflector may be placed in a lower part of the housing towards the rear.
  • the dynamic light modifying component 28 is dynamic in the sense that it operatively moves, or has motion imparted to it, in order to modify the light.
  • the dynamic light modifying component 28 is placed in the path of light from the light source 32 to the viewing screen and most conveniently is arranged immediately in front of the rear reflector 26 and behind the viewing screen 14.
  • the dynamic light modifying component may be reflective and/or transmissive of light.
  • the dynamic light modifying component comprises one or more webs of fabric which have reflective qualities such silk or artificial silk like materials such as certain polyester or nylon materials.
  • the dynamic light modifying component comprises a single web of such reflective material suspended behind the viewing screen 14 and including a plurality of holes or apertures which may conveniently extend primarily up and down the web and may approximate to flame shapes.
  • the apparatus 10 in this arrangement further comprises a blower 30 arranged in the lower part of the housing 12 and arranged to direct a current of air onto the web of material to cause the web of material to billow.
  • a blower 30 arranged in the lower part of the housing 12 and arranged to direct a current of air onto the web of material to cause the web of material to billow.
  • a more preferred arrangement as illustrated in particular in Figures 2, 3 and 4 behaves similarly.
  • the apertured web of billowing material is replaced by a plurality of strips or flags 28a of material having reflective qualities such as silk or artificial silk like materials.
  • the strips 28a are attached to suitable parts of the housing at the upper and lower ends and arranged so that they hang loosely in front of the rear reflector 26 and behind the front screen 14.
  • Preferably the respective ends of the strips 28a are twisted with respect to one another, through about 90°.
  • a blower 30 is arranged in the lower part of the housing 12 and arranged to direct a current of air onto the strips 28a to cause the strips 28a to billow or flutter in a manner which is perceived to be essentially random.
  • Light from the light source 32 is reflected by the moving strips 28a onto the viewing screen 14 and also light reflected by the rear reflector 26 may be modified by passing through the constantly changing gaps between the strips 28a.
  • This construction results in an effective simulation of flames in the viewing screen 14.
  • Light source 32 is arranged in a lower part of the housing 12 so that it can illuminate both the viewing bed 18 and the light modifying means 24.
  • the light source 32 is arranged below the viewing bed 18, although other locations are possible, for example with the assistance of suitably placed baffles and mirrors to direct the light from the light source to the viewing bed 18 and light modifying means 24.
  • the light source may comprise a conventional incandescent light bulb. Halogen bulbs or LEDs may alternatively be used.
  • One or more light sources 32 may be provided.
  • a particularly preferred construction includes two light sources 32.
  • At least one at least partially light transmitting member 34 having optically differentiated regions is mounted immediately adjacent each light source 32.
  • the optically differentiated regions are primarily regions of different colour, but may also include regions having a different surface relief (non-planar surface) to refract light passing through the member 34 in different ways, or may include shaded or opaque regions, or combinations of these.
  • the member 34 is arranged to move with respect to the light source 32 so that the light from the light source 32 may be affected by the member 34 in different ways at different times.
  • the member 34 may take various forms.
  • the member may comprise a strip of material having the optically differentiated regions and formed into a loop which is caused to move around the light source 32.
  • the member 34 may be in the form of a cylinder within which the light source 32 sits.
  • the member 34 takes the form of a disc 36 arranged directly above the light source 32, optionally at an angle to the horizontal.
  • two discs 36 are provided above two respective light sources 32.
  • Each disc 36 is divided into a number of segments 36a, 36b, 36c, 36d, 36e, 36f etc.
  • Each segment 36n is optically differentiated from its neighbours.
  • the segments 36n have different colours, for example red, green, blue, pink, orange purple.
  • Each disc 36 is driven to rotate about is axis 38 by a motor 40. Stepper motors are preferred since the enable the rotational position of the disc 36 to be controlled with a high degree of accuracy.
  • the at least partially light transmitting member 34 comprises a disc portion 36' which may be substantially the same as the disc 36 described above and a skirt portion 36" which depends from the disc portion 36'.
  • the skirt portion 36" preferably also includes optically differentiated regions in the same way as segments 36n described above.
  • the skirt portion 36" preferably includes regions of different colour but may also (or alternatively) include regions having a different surface relief (non-planar surface) to refract light passing through the skirt 36" in different ways, and shaded or opaque regions, or combinations of these.
  • the apparatus 10 of the invention if operational, light from the light source passes through and is modified by the member(s) 34. Some of the modified light falls on the underside of the viewing bed whereby the viewing bed 18 is illuminated, and more especially the viewing elements 22 are illuminated. Light having passed through the member(s) 34 also falls on the light modifying means 24. In the illustrated example, light is reflected by the rear reflector 26 and also by the moving strips 28a and falls onto the rear of the viewing screen 14 to provide a user perceptible image in the screen.
  • a different effect is optical obtained in the viewing 14 screen and/or the viewing bed 18.
  • the optical effect seen in the viewing screen 14 and the viewing bed 18 can change colour or form, depending which optically differentiated region 36n of the disc(s) 36 lies above the light source.
  • This effect is particularly apparent and pleasing where the viewing bed 18 comprises a transparent or translucent supporting substrate 20 (especially a glass panel) and where the viewing elements 22 comprise transparent glass or plastic beads. Glass beads have the property of reflecting and breaking up the light incident on them, which adds interest to the optical effect.
  • the optical effect in the viewing screen 14 is a simulation of flames, the flames can be made to change in colour and intensity which adds both realism and interest. If fact, in order to obtain a pleasing effect, it is not essential for the flames to be especially realistic. The ever-changing nature of the image in the screen 14 is pleasing in itself.
  • a control means 44 is included which is operable to control the speed of rotation and or position of the discs 36.
  • the control means 44 can be programmed to control the movement of the discs 36 in a predetermined sequence which may, for example, appear to a user to be random.
  • the control means 44 may be operable by a user so that the user may select the speed of rotation and/or position of the discs 36.
  • a user-operable control panel 42 may be provided at a suitable location on the housing 12 which control panel co-operates with the control means 44 to vary the speed of rotation and/or position of the discs 36.
  • a remote control handset 46 may be provided which the user may use to communicate with the control means 44 (via a receiver 42') to vary the speed of rotation and/or position of the discs.
  • a user may set a particular colour or combination of colours for the optical effects in the viewing screen 14 or viewing bed 18 and may also adjust the rate of change of such effects.
  • the user can position the appropriately coloured segment 36n above the adjacent light source 32.
  • the apparatus 10 includes more than one disc 36, the user may use the control means 44 (42, 46) to adjust the rotational position or speed of rotation of each disc 36 independently.
  • the apparatus 10 may (but does not essentially) include a heat source.
  • a fan heater 48 may be arranged to expel heated air from beneath the canopy 12G.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

L'appareil à effet optique de l'invention un carter, une source de lumière, un écran d'observation et/ou un plateau d'observation, un élément au moins partiellement phototransmetteur, et des organes de déplacement. La source de lumière est montée dans le carter. L'écran permet d'observer l'effet optique. Des organes modifiant la lumière sont disposés derrière l'écran, sur le trajet de la lumière entre la source et l'écran. Le plateau est observable par l'utilisateur depuis un point en avant du carter. L'élément au moins partiellement phototransmetteur comporte des zones optiquement différenciées. Il se trouve sur le trajet de la lumière de la source vers les organes modifiant la lumière et/ou le plateau d'observation. Les organes de déplacement permettent de déplacer l'élément phototransmetteur par rapport à la source de lumière. L'élément phototransmetteur à zones optiquement différenciées est de préférence un disque comportant des zones de différentes couleurs.
PCT/EP2006/009186 2005-09-21 2006-09-21 Appareil a effet optique WO2007039126A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06805798A EP1938018A1 (fr) 2005-09-21 2006-09-21 Appareil a effet optique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0519264.6 2005-09-21
GB0519264A GB2430487B (en) 2005-09-21 2005-09-21 Apparatus for producing an optical effect

Publications (1)

Publication Number Publication Date
WO2007039126A1 true WO2007039126A1 (fr) 2007-04-12

Family

ID=35249168

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/009186 WO2007039126A1 (fr) 2005-09-21 2006-09-21 Appareil a effet optique

Country Status (3)

Country Link
EP (1) EP1938018A1 (fr)
GB (1) GB2430487B (fr)
WO (1) WO2007039126A1 (fr)

Cited By (3)

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US8361367B2 (en) 2004-11-17 2013-01-29 Dimplex North America Limited Flame simulating assembly
US9068706B2 (en) 2012-03-07 2015-06-30 Winvic Sales Inc. Electronic luminary device with simulated flame
US10352517B2 (en) 2017-09-07 2019-07-16 Sterno Home Inc. Artificial candle with moveable projection screen position

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US7826727B2 (en) 2006-05-05 2010-11-02 Twin-Star International, Inc. Electric fireplace
US20080138050A1 (en) * 2006-12-11 2008-06-12 Hni Technologies Inc. Topdown simulated flame
USD616977S1 (en) 2008-12-03 2010-06-01 Twin-Star International Inc. Fireplace insert
USD668748S1 (en) 2009-07-07 2012-10-09 Twin-Star International, Inc. Electric fireplace
CN102322661A (zh) * 2011-08-31 2012-01-18 普鲁卡姆电器（上海）有限公司 一种仿真火焰电加热系统

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GB2409323A (en) 2003-12-18 2005-06-22 Suncrest Surrounds Ltd Display simulating a flame effect
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US6047489A (en) * 1996-05-17 2000-04-11 Dimplex North America Limited Flame simulating assembly and components therefor
GB9810572D0 (en) * 1998-05-18 1998-07-15 Gazco Ltd Flame effect fire
GB9916007D0 (en) * 1999-07-09 1999-09-08 Burley Appliances Ltd Apparatus for simulating flames
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US3603013A (en) * 1968-02-06 1971-09-07 Radiation Sunhouse Ltd Electric illumination devices
GB2137336A (en) 1983-03-25 1984-10-03 Anthony Joseph Davies Electrical illumination devices for simulated fires
GB2236845A (en) 1989-08-14 1991-04-17 Electricity Council Research C Flame effect simulator
GB2256040A (en) 1991-05-21 1992-11-25 Burley Appliances Ltd Lighting effect for electric fires
GB2321700A (en) * 1997-02-04 1998-08-05 Robert Mcpherson Flame effect fire
EP1271060A1 (fr) 2001-06-28 2003-01-02 Xiaoliang Chen Simulateur de flammes pour cheminée électrique
WO2003058127A1 (fr) * 2002-01-14 2003-07-17 Burley Appliances Limited Radiateur independant
WO2004079267A2 (fr) 2003-03-04 2004-09-16 Watermeet Limited Dispositif a effet decoratif
US20040255931A1 (en) * 2003-06-17 2004-12-23 Bachinski Thomas J. Glowing ember fireplace article
WO2005045321A1 (fr) 2003-11-06 2005-05-19 Cfm Corporation Appareil et procede ameliores de simulation d'effets de combustion dans un foyer
GB2409323A (en) 2003-12-18 2005-06-22 Suncrest Surrounds Ltd Display simulating a flame effect
GB2411228A (en) * 2004-02-18 2005-08-24 Basic Holdings A simulated fuel element for a flame effect fire

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Publication number Priority date Publication date Assignee Title
US8361367B2 (en) 2004-11-17 2013-01-29 Dimplex North America Limited Flame simulating assembly
US8480937B2 (en) 2004-11-17 2013-07-09 Dimplex North America Limited Method of forming a simulated combustible fuel element
US9068706B2 (en) 2012-03-07 2015-06-30 Winvic Sales Inc. Electronic luminary device with simulated flame
US9447937B2 (en) 2012-03-07 2016-09-20 Nii Northern International Inc. Electronic luminary device with simulated flame
US10024507B2 (en) 2012-03-07 2018-07-17 Sterno Home Inc. Electronic luminary device with simulated flame
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GB0519264D0 (en) 2005-10-26
GB2430487B (en) 2009-12-09
EP1938018A1 (fr) 2008-07-02

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