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EP3928035B1 - Unité de générateur de chaleur - Google Patents

Unité de générateur de chaleur Download PDF

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Publication number
EP3928035B1
EP3928035B1 EP19835496.1A EP19835496A EP3928035B1 EP 3928035 B1 EP3928035 B1 EP 3928035B1 EP 19835496 A EP19835496 A EP 19835496A EP 3928035 B1 EP3928035 B1 EP 3928035B1
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EP
European Patent Office
Prior art keywords
door
generator unit
heat generator
unit according
combustion chamber
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.)
Active
Application number
EP19835496.1A
Other languages
German (de)
English (en)
Other versions
EP3928035A1 (fr
Inventor
Carlo Piazzetta
Giacomo SERENA
Filippo MENEGON
Riccardo ONISTO
Andrea BOSA
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.)
Gruppo Piazzetta SpA
Original Assignee
Gruppo Piazzetta 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 Gruppo Piazzetta SpA filed Critical Gruppo Piazzetta SpA
Publication of EP3928035A1 publication Critical patent/EP3928035A1/fr
Application granted granted Critical
Publication of EP3928035B1 publication Critical patent/EP3928035B1/fr
Active legal-status Critical Current
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B13/00—Details solely applicable to stoves or ranges burning solid fuels 
    • F24B13/004—Doors specially adapted for stoves or ranges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B1/00—Stoves or ranges
    • F24B1/02—Closed stoves
    • F24B1/024—Closed stoves for pulverulent fuels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B13/00—Details solely applicable to stoves or ranges burning solid fuels 
    • F24B13/04—Arrangements for feeding solid fuel, e.g. hoppers 

Definitions

  • the present invention relates to a heat generating unit, such as a stove, in particular fed with two fuels, for example wood and pellet.
  • Heat generators that can be fed both with wood and pellet have been proposed, wherein the wood is manually inserted into the combustion chamber by opening a main wing, while pellet is loaded into a tank under the combustion chamber and automatically fed in the latter from this tank.
  • This protection must extend under the equipment, laterally and frontally to the fuel loading wing or to the access wing to the combustion chamber.
  • JP2004191016A , EP1805460A1 , EP2083222A1 and DE9400216U1 disclose solutions according to the state of the art.
  • An object of the present invention is to provide a new heat generator or stove.
  • Another object of the present invention is to provide a new heat generator, wherein the accidental falling of hot embers from a combustion chamber to an underlying fuel tank or vice versa is prevented.
  • Another object of the present invention is to provide a new heat generator which can be fed with two fuels, both wood and pellet, which is safer than traditional heat generators.
  • Another object of the present invention is to provide a heat generator as mentioned above, which is also efficient and easy to produce.
  • a heat generating unit according to claim 1 is provided.
  • a heat generating unit or stove 1 comprising a main frame 2 defining at least one combustion chamber 3, which generating unit 1 is advantageously arranged to be fed, preferably during different work cycles, with at least two different fuels, for example wood and pellet.
  • a brazier for the positioning and combustion of the fuel or fuels can clearly also be provided.
  • the unit 1 further comprises at least a first door or wing 4 for closing/opening a main window 5 for accessing to the combustion chamber 3, through which main window 5 a first fuel can be positioned in the combustion chamber 3, for example wood, in logs if desired.
  • the main window 5 is defined by the frame 2, in particular on a face, if desired on a front face of the generating unit 1.
  • the main window 5 may have a rectangular, square, circular or another type configuration, for example.
  • the frame 2 can have a framework portion 2a for delimiting the main window 5.
  • the first door 4 is constrained, for example pivoted to the frame 2, if desired around a vertical, in use, axis. More particularly, the first door 4 can be pivoted at one of its edges to the frame 2, in particular at one corner, if desired, a front corner thereof.
  • the first door 4 can have a glass or a double-glazing unit 4a fitted in the main body of the door, designed to allow inspection of the combustion chamber 3. If desired, the first door 4 is also provided with an opening handle OH.
  • the first door 4 could comprise the main plate 4b with a raised portion 4c extending therefrom, which raised portion 4c may have a square, rectangular or circular-plan tubular configuration designed to be inserted, substantially to size within the framework portion 2a and therefore within the main window 5 for sealingly closing (if desired by means of a suitable gasket) the latter, while the main plate 4b in this closed position abuts against the framework portion 2a.
  • the unit includes at least one tank 6 for containing the first fuel or a second fuel, for example pellet, as well as at least one second door or wing 7 for closing/opening an access and loading opening 8 of the containment tank 6 with the first or second fuel.
  • the containment tank 6 can be delimited by the frame 2 or better by walls of the frame 2 or it can be produced separately and then introduced into the main frame 2 and constrained to or bolted on it.
  • the containment tank 6 can be in position below or above the combustion chamber 3. In particular, according to the embodiment shown in the figures, the tank 6 is below or in a lower position than the combustion chamber 3.
  • the access and loading opening 8 is defined by the frame 2, preferably on the same face, the front one if desired, of the generating unit 1 on which the main window 5 is defined. This means that the opening 8 is below the main window 5.
  • the second door 7 is constrained below the first door 4.
  • the second door 7 is constrained to the frame 2, for example pivoted, if desired, around a horizontal, in use, axis.
  • the second door 7 can be pivoted or constrained angularly movable to the frame 2 so as to be movable between a first closing trim of the containment tank 6, if desired close to the frame 2, in which the second door 7 can have, for example a substantially vertical trim and a second opening trim of the respective tank 6.
  • tank 6 is below the combustion chamber 3, then when the second door 7 is in the second trim, it is possible to access the tank 6 from above and at least partly from the sides, if desired.
  • the unit 1 can comprise support and pivoting means 14 of the second door 7.
  • the support and pivoting means 14 comprise a first rod element 14a, which can have a main section 14a1 pivoted, for example by means of first brackets 15a, to the frame 2, if desired around a horizontal axis, and two end sections 14a2 with end rotatably fitted in a respective section of the second door 7.
  • a second rod element 14b can then be provided beneath the first rod element 14a and designed to support the second door 7 when it is in the closed position.
  • the second rod element 14b can have a main section 14b1 pivoted, for example by means of second brackets 15b, to the frame 2, if desired around a horizontal axis, and two end sections 14b2 with ends, for example L-shaped ends, fixed in a respective section of the second door 7, for example at an edge, which is lower and external with respect to the unit 1, when the second door is in the closed position.
  • the second door 7 can be configured as a plate 7a with L-bent edges, in particular at the sides thereof.
  • the second door 7 can also have a grip handle component 7b in one piece or less with the plate 7a.
  • the grip component 7b is pivoted to the plate 7a around a horizontal axis and is angularly movable with respect to the plate 7a.
  • the grip component 7b can also have flanks 7c wrapping the plate 7a edges.
  • the flanks 7c of the grip component can have one or more shaped grooves or slots or eyelets 7d whose delimiting edge is designated to abut against a respective pin or pins 7e rising laterally from the plate 7a.
  • the unit 1 also includes means for feeding a comburent fluid, for example air, into the combustion chamber 3.
  • a comburent fluid for example air
  • Such feeding means can comprise specific ducts leading into the combustion chamber 3 as well as means for pushing or the like the comburent fluid, for example one or more fans.
  • a duct or chimney 16 for transporting the exhaust or combustion gases or fumes from the combustion chamber 3 towards the outside or towards a suitable discharge area is provided, as well as any refractory arranged behind and/or on the flanks of the combustion chamber 3.
  • the generating unit 1 comprises locking/unlocking means 10 both of the first door 4 and of the second door 7, which locking/unlocking means 10 are movable or switchable between a first operating position and a second operating position.
  • the first door 4 is unlocked and therefore it is possible to move it (for example angularly around a vertical axis) with respect to the frame 2 to open the main window 5 to allow access to the combustion chamber 3, while the second door 7 is locked in the closed position of the access and loading opening 8 and cannot be moved from this latter position.
  • the second door 7 is unlocked and therefore it is possible to move it with respect to the frame 2 and to the tank 6 (for example angularly around a horizontal axis) to open the access and loading opening 8 so as to allow access to the tank 6, while the first door 4 is locked in the closed position of the main window 5 and it is not possible to move it from the latter.
  • the locking/unlocking means 10 comprise at least one pin or plug or pawl 11a, 11b as well as means for moving the pin(s) 11a, 11b between the first and second positions, in the first position the pin 11a interferes with the second door 7 or with a portion thereof, while in the second position the pin 11b interferes with the first door 4 or with a portion thereof.
  • the pin 11b can also interfere with a portion of the frame 2 and/or in the first position the pin 11a can interfere with another portion of the frame 2.
  • the movement means can comprise at least one electromagnet 12, in particular tubular or defining an axial light, as well as electronic feeding means 12a of the electromagnet designated to determine the activation or deactivation of the latter and therefore whether the at least one pin 11a, 11b is attracted or not, so as to move it from the first to the second position or vice versa.
  • the electromagnet 12 comprises a casing element, and then a stem element 11c is provided defining the pins or plugs or pawls 11a, 11b at the respective ends, which stem element 11c, if desired realized in a ferromagnetic material, is slidably mounted within the electromagnet 12.
  • the stem element 11c can have a vertical main axis, while the pins 11a and 11b can constitute the upper and lower, respectively, ends of the stem element 11c.
  • the locking/unlocking means 10 or, if provided, the electronic feeding means 12a could be activated by pressing (for a few seconds, for example 2-3 seconds) a button on the generating unit 1 display, or by means of a radio control and in this case, the stem element 11c, once the electromagnet 12 is electronically powered, for example at 12V, would be attracted by the magnetic field thus generated and then lifted or lowered so that a pin 11a or 11b interferes with the first 4 or second 7 door or with a part thereof (as well, if desired, with respective parts of the frame 2), preventing the opening of the latter and unlocking instead the opening of the other door 7 or 4.
  • the electromagnet 12 can be electronically powered by means of a cable 12a or even with Wi-Fi or with another suitable mode.
  • the latter can delimit at least one first hole or slot 4d for inserting/releasing a pin 11b, higher if desired.
  • the first hole or slot 4d is delimited at a bottom portion of the first door 4.
  • the locking/unlocking means 10 can be constrained to the frame 2.
  • the locking/unlocking means 10 comprise an electromagnet 12
  • the same or the respective casing element could be fixed, for example welded, bolted, fitted within a component of the frame 2, if desired to the framework portion 2a of the same.
  • the latter or rather a respective portion or shaped sheet 4e constrained to the plate 4b can delimit at least one first hole or slot 4d for inserting/releasing a pin 11b, if desired a higher pin.
  • the frame 2 can instead delimit at least one second hole or slot 2b, if desired at the respective framework portion 2a for delimiting the main window 5 and in the second operating position, the or each first hole or slot 4d is aligned with a/the respective second hole or slot 2b, so that it is possible to insert a respective second pin 11b in these aligned holes and thus lock the first door 4 in position with respect to the frame 2.
  • the electromagnet 12 is mounted under the framework portion 2a with a respective second pin 11b always inserted within the second hole or slot 2b, both in the first and in the second operating position.
  • the locking/unlocking means 10 are moved to the second operating position, with the first door 4 in the closed position, that is to say with respective raised portion 4c within the framework portion 2a and therefore within the main window 5, then the second pin 11b is moved (for example lifted) so as to insert it also in the first hole or slot 4d, thereby locking the first door 4 in position.
  • the latter can delimit a third hole or slot 7g for inserting/releasing a pin 11a, if desired lower.
  • the second door 7 can have a wing-shaped section 7f extending from one side of the second door 7, if desired from an upper portion thereof, which wing-shaped section 7f is suitably shaped or bent, if desired U-shaped, so as to delimit the third hole or slot 7g for inserting/releasing a pin 11a, if desired lower.
  • the third hole or slot 7g can lead upwards and downwards, for example.
  • the first pin 11a is moved (for example lowered) so as to be inserted in the third hole or slot 7g, thus locking the second door 7 in the closed position, preventing its opening as long as the locking/unlocking means 10 are not moved from the first operating position to the second operating position or to a possible intermediate position, for example.
  • the electromagnet 12 could also be mounted in a different manner, if desired, with a first pin 11a always mounted (both in the first and in the second operating position) in a hole of the frame 2, (similarly to what is now described for the second pin 11b), and the second pin 11b mounted as described above for the first pin 11a.
  • the unit 1 can then comprise at least one position sensor designed to detect whether the first door 4 and/or the second door 7 is opened or closed.
  • a solution could be provided wherein the stem element 11c is in a rest position in a lowered condition, in interference with or locking (for example as indicated above) the second door 7 and such that once the electromagnet 12 is driven, that is to say once the electrical communication between an electric source and the electromagnet 12 is activated (by pressing a button or by means of a radio control), lifting of the stem element 11c is determined by electromagnetic attraction and therefore the opening of the second door 7 of the tank 6, so that it is possible to open the second door 7 and load the tank 6 with a second fuel, such as pellet.
  • a second fuel such as pellet
  • the respective pin 11b physically interferes with the first door 4, inserting itself, for example, in a first hole or slot 4d, thereby locking and preventing the first door 4 from being opened.
  • the electromagnet feeding could be interrupted, if desired incorporating a solenoid, following for example pressure by the second door 7 of a position sensor, such as a microswitch designated to check its position and accordingly inform a control unit.
  • a position sensor such as a microswitch designated to check its position and accordingly inform a control unit.
  • a position sensor such as a microswitch can ascertain the opening thereof and inhibit the possibility of activating the locking/unlocking means 10, for example the electromagnet.
  • the first operating position and the second operating position are preferably the only operating positions wherein the locking/unlocking means 10 can be positioned, although it is possible according to a variant that the same also present other operating positions, such as a simultaneous locking position of both doors 4, 7 and/or a simultaneous unlocking position of both doors 4, 7.
  • locking/unlocking means 10 can be provided, other than those illustrated above, which can be mechanically or electronically driven if desired.
  • the generating unit 1 is also provided with at least one feed duct 13 for the second fuel from the tank 6 to the combustion chamber 3 as well as automatic conveying means, such as a screw or similar, of the second fuel along the feed duct 13 up to the combustion chamber 3.
  • the unit also comprises one or more driving motors, for example conveying means, as well as a control unit.
  • the unit can then be equipped with one or more probes for the exhaust gas temperature, based on which value(s), the control unit could decide to switch the operation of the stove from wood to pellet, suitably driving the locking/unlocking means and automatically loading the pellet from the tank 6 to the combustion chamber 3 or vice versa.
  • the locking/unlocking means 10 would perform a fire risk limiting function for the tank 6, which is preferably under the combustion chamber 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Solid-Fuel Combustion (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Central Heating Systems (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)

Claims (14)

  1. Unité de générateur de chaleur comprenant un bâti principal (2) définissant au moins une chambre de combustion (3) et définissant une fenêtre principale (5) pour accéder à ladite au moins une chambre de combustion (3), au moins une première porte (4) pour fermer/ouvrir ladite fenêtre principale (5) et à travers ladite fenêtre principale (5) un premier combustible pouvant être positionné dans ladite au moins une chambre de combustion (3), au moins un réservoir (6) pour contenir ledit premier combustible ou un deuxième combustible, au moins une deuxième porte (7) pour fermer/ouvrir une ouverture (8) définie par le bâti (2) et pour accéder et charger avec ledit premier ou deuxième combustible dudit réservoir de confinement (6), des moyens pour alimenter un fluide comburant dans ladite au moins une chambre de combustion (3),
    caractérisée en ce que
    ladite unité de générateur comprend en outre des moyens (10) pour verrouiller/déverrouiller ladite au moins une première porte (4) et ladite au moins une deuxième porte (7), lesdits moyens de verrouillage/déverrouillage (10) étant mobiles ou commutables entre
    une première position fonctionnelle, dans laquelle ladite au moins une première porte (4) est déverrouillée et il est donc possible de la déplacer pour ouvrir ladite fenêtre principale (5) pour permettre l'accès à ladite chambre de combustion (3), alors que ladite au moins une deuxième porte (7) est verrouillée en position fermée de ladite ouverture d'accès et de chargement (8) et ne peut pas en être déplacée, et
    une deuxième position fonctionnelle, dans laquelle ladite au moins une deuxième porte (7) est déverrouillée et il est donc possible de la déplacer pour ouvrir ladite ouverture d'accès et de chargement (8) pour permettre l'accès audit au moins un réservoir (6), alors que ladite au moins une première porte (4) est verrouillée en position fermée de ladite fenêtre principale (5) et il n'est pas possible de l'en déplacer.
  2. Unité de générateur de chaleur selon la revendication 1, dans laquelle lesdits moyens de verrouillage/déverrouillage (10) comprennent au moins un axe ou bouchon ou cliquet (11a, 11b) et des moyens de déplacement pour déplacer ledit au moins un axe ou bouchon ou cliquet (11a, 11b) entre ladite première et ladite deuxième position, dans la première position ledit au moins un axe ou bouchon ou cliquet (11a) interférant avec ladite au moins une deuxième porte (7) ou avec une partie de celle-ci, alors que dans la deuxième position ledit au moins un axe ou bouchon ou cliquet (11b) interfère avec ladite première porte (4) ou avec une partie de celle-ci.
  3. Unité de générateur de chaleur selon la revendication 2, dans laquelle lesdits moyens de mouvement comprennent un électro-aimant (12) ainsi que des moyens pour l'alimentation électronique de l'électro-aimant (12) posés pour déterminer l'activation ou la désactivation de ce dernier et donc l'attraction ou le manque d'attraction dudit au moins un axe ou bouchon ou cliquet (11a, 11b), de façon à le déplacer de la première à la deuxième position ou vice-versa.
  4. Unité de générateur de chaleur selon la revendication 3, dans laquelle ledit électro-aimant (12) comprend un élément de boîtier, alors que lesdits moyens de verrouillage/déverrouillage (10) comprennent un élément de tige (11c) définissant, à ses extrémités respectives, des axes ou des bouchons ou des cliquets (11a, 11b), et ledit élément de tige (11c) est monté de façon coulissante dans l'électro-aimant (12).
  5. Unité de générateur de chaleur selon la revendication 4, comprenant un bouton ou une télécommande pour l'activation desdits moyens de verrouillage/déverrouillage (10).
  6. Unité de générateur de chaleur selon l'une quelconque des revendications 2 à 5, dans laquelle ladite première porte (4) délimite un premier trou ou une première fente (4d) pour insérer/retirer ledit au moins un axe ou bouchon ou cliquet (11b).
  7. Unité de générateur de chaleur selon l'une quelconque des revendications 2 à 6, dans laquelle ladite deuxième porte (7) comporte une section en forme d'aile (7f) s'étendant depuis un côté de la deuxième porte (7), ladite section en forme d'aile (7f) délimitant un troisième trou ou une troisième fente (7g) pour insérer/retirer ledit au moins un axe ou bouchon ou cliquet (11a).
  8. Unité de générateur de chaleur selon l'une quelconque des revendications précédentes, dans laquelle ledit réservoir de confinement (6) est positionné en dessous ou au-dessus de ladite au moins une chambre de combustion (3) .
  9. Unité de générateur de chaleur selon l'une quelconque des revendications précédentes, comprenant au moins un conduit d'alimentation (13) pour ledit deuxième combustible dudit au moins un réservoir à ladite au moins une chambre de combustion (3) ainsi que des moyens pour transporter ledit deuxième combustible le long dudit au moins un conduit d'alimentation (13) jusqu'à ladite au moins une chambre de combustion (3).
  10. Unité de générateur de chaleur selon l'une quelconque des revendications précédentes, dans laquelle ladite ouverture d'accès et de chargement (8) est définie par le bâti (2) sur la même face de l'unité de générateur (1) sur laquelle la fenêtre principale (5) est définie.
  11. Unité de générateur de chaleur selon l'une quelconque des revendications précédentes, dans laquelle ladite deuxième porte (7) est articulée sur le bâti (2) de sorte qu'elle puisse être déplacée entre une première configuration fermée du réservoir de confinement (6) et une deuxième configuration ouverte dudit réservoir (6).
  12. Unité de générateur de chaleur selon la revendication 11, dans laquelle si ledit réservoir (6) est en dessous de ladite chambre de combustion (3), alors quand ladite deuxième porte (7) est dans la deuxième configuration, il est possible d'accéder au réservoir (6) de dessus.
  13. Unité de générateur de chaleur selon l'une quelconque des revendications précédentes, comprenant au moins un capteur de position réglé pour détecter si la première porte (4) et/ou la deuxième porte (7) est ouverte ou fermée.
  14. Unité de générateur de chaleur selon l'une quelconque des revendications précédentes, comprenant un capteur de position réglé pour vérifier l'ouverture ou le manque d'ouverture de ladite au moins une première porte (4), de sorte que si ladite première porte (4) est ouverte, les moyens de verrouillage/déverrouillage (10) sont empêchés d'être activés et donc ladite deuxième porte (7) est empêchée d'être déverrouillée.
EP19835496.1A 2019-02-18 2019-12-12 Unité de générateur de chaleur Active EP3928035B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102019000002363A IT201900002363A1 (it) 2019-02-18 2019-02-18 Gruppo generatore di calore
PCT/IB2019/060710 WO2020170024A1 (fr) 2019-02-18 2019-12-12 Unité de générateur de chaleur

Publications (2)

Publication Number Publication Date
EP3928035A1 EP3928035A1 (fr) 2021-12-29
EP3928035B1 true EP3928035B1 (fr) 2024-06-12

Family

ID=66867634

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Application Number Title Priority Date Filing Date
EP19835496.1A Active EP3928035B1 (fr) 2019-02-18 2019-12-12 Unité de générateur de chaleur

Country Status (3)

Country Link
EP (1) EP3928035B1 (fr)
IT (1) IT201900002363A1 (fr)
WO (1) WO2020170024A1 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9400216U1 (de) * 1994-01-07 1994-03-10 Hase Kaminofenbau GmbH, 54294 Trier Verriegelungsvorrichtung für eine Feuerraumtür eines Kaminofens o.dgl.
JP4282058B2 (ja) * 2002-12-13 2009-06-17 サンポット株式会社 木質ペレット状燃料燃焼装置の点火方法
ITVI20040252A1 (it) * 2004-10-22 2005-01-22 Lorenzo Verlato Stufa inserto camino con caricamento del combustibile tramite uno scivolo frontale
ITVI20080012A1 (it) * 2008-01-23 2009-07-24 Nordica Spa Apparecchio riscaldante a combustibile solido ad elevata sicurezza.
FR2947327B1 (fr) * 2009-06-24 2012-12-07 Supra Systeme d'alimentation pour appareil de chauffage a combustible solide fragmente
CN103851652A (zh) * 2012-12-07 2014-06-11 湖北宜昌五峰鑫星节能炉具开发有限公司 一种双门添料器
DE202017002558U1 (de) * 2017-05-12 2017-08-10 Rudi Biller Kaminofen mit Panorama-Hebe-Schwenktür, mit getöntem Sichtglas, einem verschließbaren Aschekasten und einem Brennholz-Transportbehältnis
US10995945B2 (en) * 2017-08-10 2021-05-04 United States Stove Company Biomass pellet combustion system

Also Published As

Publication number Publication date
EP3928035A1 (fr) 2021-12-29
WO2020170024A1 (fr) 2020-08-27
IT201900002363A1 (it) 2020-08-18

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