EP1851483B1 - Assembleable construction of door with heat-resistant glass for fireplace inserts and fireplace stoves - Google Patents

Assembleable construction of door with heat-resistant glass for fireplace inserts and fireplace stoves Download PDF

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Publication number
EP1851483B1
EP1851483B1 EP06717215A EP06717215A EP1851483B1 EP 1851483 B1 EP1851483 B1 EP 1851483B1 EP 06717215 A EP06717215 A EP 06717215A EP 06717215 A EP06717215 A EP 06717215A EP 1851483 B1 EP1851483 B1 EP 1851483B1
Authority
EP
European Patent Office
Prior art keywords
glass
frame
fireplace
door
construction
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.)
Not-in-force
Application number
EP06717215A
Other languages
German (de)
French (fr)
Other versions
EP1851483A1 (en
Inventor
Anton Sulovec
Bart Goovaerts
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.)
HT-Design SRO
Original Assignee
HT-Design SRO
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 HT-Design SRO filed Critical HT-Design SRO
Priority to PL06717215T priority Critical patent/PL1851483T3/en
Publication of EP1851483A1 publication Critical patent/EP1851483A1/en
Application granted granted Critical
Publication of EP1851483B1 publication Critical patent/EP1851483B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F24B5/00—Combustion-air or flue-gas circulation in or around stoves or ranges
    • F24B5/02—Combustion-air or flue-gas circulation in or around stoves or ranges in or around stoves
    • F24B5/021—Combustion-air or flue-gas circulation in or around stoves or ranges in or around stoves combustion-air circulation
    • 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

Definitions

  • Present invention concerns an assembleable construction of a door for fireplace inserts and fireplace stoves for solid fuel, which use a heat-resistant glass for burning visualization.
  • the glass clearness is considerably influenced by air input into the burning process which air is conveyed along the glass, thus ensuring the so-called glass rinsing.
  • air input into the burning process which air is conveyed along the glass, thus ensuring the so-called glass rinsing.
  • WO 00/237 49 discloses a door leaf (13) containing a glass pane (16), for an oven that can be heated with a solid fuel is arranged on a door case (7) in such a way that it can pivot within certain limits about a lower horizontal axis (10). Said door case can be fixed in the door opening (2). An air admission slot (22) can therefore be opened along the upper edge.
  • US 3 616 788 discloses a heating unit having glass walls or doors where a cool vertical curtain of air is provided over the glass by providing a top air vent so that most of the air enters mainly at the top of the fireplace with substantially vertical velocity vector downward across the glass.
  • US 4 519 377 discloses a fireplace heat transfer apparatus includes a main inner panel assembly adapted to be positioned across any opening to a fireplace and an auxiliary outer panel assembly pivotally mounted to the main assembly.
  • the main assembly includes an inner transparent plate of glass and the auxiliary assembly includes an outer transparent plate of glass.
  • the outer glass plate is thicker than the inner glass plate. The mounting relationship of the auxiliary frame to the main frame maintains the outer plate of glass in a spaced relationship to the inner plate of glass so as to define a heat transfer chamber between them.
  • the auxiliary and main assemblies have respective frame structures which closes the chamber at its sides but provides the chamber with an open top and bottom for communicating the chamber with ambient air in the room surrounding the fireplace.; By pivoting the auxiliary assembly about an axis defined across its lower end and relative to the main assembly the volume of the chamber may be changed in order to change the rate of convective thermosiphon flow of heated ambient air up through the chamber.
  • the aim of the present invention is to provide an assembleable construction of a door for fireplace inserts and fireplace stoves with glass doors and three-sided supporting frames, which solves the above problems to a great extent and advantageously combines these solutions into one unit.
  • the bottom part of a bimetallic holder is closely connected to the basic frame and upper part of the bimetallic holder is connected to the movable frame by means of a magnetic holder.
  • the movable frame with said glass is laterally pivotally attached to the basic frame by means of two pairs of rods.
  • the movable frame in its basic-regulating position is centered by supporting running wheels.
  • the labyrinth slot is formed by two U-profiles, inserted into each other in a mirror way and forming together a hollow profile with open slots for rinsing air flow.
  • the whole door assembly comprises the following basic parts: two frames - a basic frame (1) and a movable frame (2), connecting rods (3), supporting running wheels (4), guide rails (5), a heat-resistant glass (6), a bimetallic holder (7), a magnetic holder (8).
  • FIG. 1 and 2 how are the basic frame (1) and the movable frame (2) connected with glass (6) by means of two pairs of rods (3). It can also be seen in the Figures, the function of the supporting running wheel (4), which defines exact position of the bottom edge of the movable frame (2) with glass (6) relative to the basic frame (1), when the door is closed, and thus allows to properly sealing the glass (6).
  • the bottom part of the bimetallic holder (7) is closely connected to the basic frame (1) and its upper part is connected to the movable frame (2) by means of the magnetic holder (8). When the bimetallic holder (7) is temperature deformed, its movement is transferred to the movable frame (2). Movement of the movable frame (2) with glass (6) relative to the basic frame (1) changes the cross-section width (X) of the labyrinth slot and thus also the amount and flow velocity of rinsing air (9) at the opening into the combustion chamber.
  • the labyrinth slot may be seen in Fig. 3 between the basic frame (1) and movable frame (2) with glass (6).
  • the dimension (X) defines in the Figure the regulated cross-section of the outlet slot.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Wing Frames And Configurations (AREA)
  • Special Wing (AREA)
  • Laminated Bodies (AREA)

Abstract

Assembleable construction of doors with heat-resistant glass for fireplace inserts and fireplaces, where the intake and regulation of rinsing air onto the glass is performed through a labyrinth slot, the width (X) of which, representing at the outlet edge the distance between the glass and the outlet edge of the basic frame, is regulated by moving the frame with glass (6) relative to the basic frame (1 ).

Description

    Technical Field
  • Present invention concerns an assembleable construction of a door for fireplace inserts and fireplace stoves for solid fuel, which use a heat-resistant glass for burning visualization.
    • Background Art
  • The amount of air taking part in solid fuel combustion, its regulation, temperature and input into the combustion process play an important role in the process of optimum fuel utilization.
  • An important utility parameter of fireplace inserts and fireplaces with glass doors is their ability to keep the heat-resistant glass clean and transparent during the burning process over the whole performance range.
  • The glass clearness is considerably influenced by air input into the burning process which air is conveyed along the glass, thus ensuring the so-called glass rinsing. In case of shortage and also in case of insufficient preheating the so-called rinsing air and its wrong directing along the glass, there arises also the possibility of glass dirtying.
  • An independent problem in the corresponding technical solutions is the connection of the supporting structure - various supporting frames - with the glass. Here it is necessary to guarantee that the glass will not be damaged in consequence of temperature deformations. This is especially difficult in case of three-sided frames, where the bottom glass edge is not covered by the supporting frame.
  • WO 00/237 49 discloses a door leaf (13) containing a glass pane (16), for an oven that can be heated with a solid fuel is arranged on a door case (7) in such a way that it can pivot within certain limits about a lower horizontal axis (10). Said door case can be fixed in the door opening (2). An air admission slot (22) can therefore be opened along the upper edge.
  • US 3 616 788 discloses a heating unit having glass walls or doors where a cool vertical curtain of air is provided over the glass by providing a top air vent so that most of the air enters mainly at the top of the fireplace with substantially vertical velocity vector downward across the glass.
  • US 4 519 377 discloses a fireplace heat transfer apparatus includes a main inner panel assembly adapted to be positioned across any opening to a fireplace and an auxiliary outer panel assembly pivotally mounted to the main assembly. The main assembly includes an inner transparent plate of glass and the auxiliary assembly includes an outer transparent plate of glass. The outer glass plate is thicker than the inner glass plate. The mounting relationship of the auxiliary frame to the main frame maintains the outer plate of glass in a spaced relationship to the inner plate of glass so as to define a heat transfer chamber between them. The auxiliary and main assemblies have respective frame structures which closes the chamber at its sides but provides the chamber with an open top and bottom for communicating the chamber with ambient air in the room surrounding the fireplace.; By pivoting the auxiliary assembly about an axis defined across its lower end and relative to the main assembly the volume of the chamber may be changed in order to change the rate of convective thermosiphon flow of heated ambient air up through the chamber.
  • The aim of the present invention is to provide an assembleable construction of a door for fireplace inserts and fireplace stoves with glass doors and three-sided supporting frames, which solves the above problems to a great extent and advantageously combines these solutions into one unit.
    • Disclosure of the Invention
  • The above disadvantages are eliminated to a great extent by an assembleable construction of a door for fireplace inserts and fireplaces with a three-sided movable supporting frame, whereby the intake and regulation of rinsing air onto a glass is performed through a labyrinth slot, the width of which, being defined as the distance between said glass and the outlet edge of a basic frame, said width is regulated by moving said movable frame with said glass relative to the basic frame.
  • The bottom part of a bimetallic holder is closely connected to the basic frame and upper part of the bimetallic holder is connected to the movable frame by means of a magnetic holder. The movable frame with said glass is laterally pivotally attached to the basic frame by means of two pairs of rods. The movable frame in its basic-regulating position is centered by supporting running wheels.
  • Preferably, the labyrinth slot is formed by two U-profiles, inserted into each other in a mirror way and forming together a hollow profile with open slots for rinsing air flow.
  • In the course of burning the temperature variation of bimetallic holders causes their temperature deformation and thus also small movements of the whole door, resulting in shrinking and expanding the slot for air intake for burning and thus also reducing and increasing the air amount. Simultaneously, by variation of the slot size also the air flow velocity changes, causing lower glass fouling. The advantage of the proposed construction of regulation of air for burning intake is the simplicity of the construction and reliable functionality of automatic regulation depending on temperature.
    • An overview of figures in the drawing
  • The technical solution will be explained in more detail by means of drawings, in which:
    • Fig. 1 shows the overall door assembly in cross-section in its basic position.
    • Fig. 2 shows schematically connection of the basic frame (1) and of the movable frame (2) with glass (6). Also the function of the supporting running wheel (4), which defines exact position of the bottom edge of movable door frame (2) with glass (6) relative to the basic frame (1), is shown. The broken line represents the open door position for possible glass cleaning.
    • Fig. 3 shows a longitudinal section through the left door side. The longitudinal section through the right door side is its mirror image.
    Examples of embodiments of the invention
  • The whole door assembly comprises the following basic parts: two frames - a basic frame (1) and a movable frame (2), connecting rods (3), supporting running wheels (4), guide rails (5), a heat-resistant glass (6), a bimetallic holder (7), a magnetic holder (8).
  • It is evident from Fig. 1 and 2, how are the basic frame (1) and the movable frame (2) connected with glass (6) by means of two pairs of rods (3). It can also be seen in the Figures, the function of the supporting running wheel (4), which defines exact position of the bottom edge of the movable frame (2) with glass (6) relative to the basic frame (1), when the door is closed, and thus allows to properly sealing the glass (6). The bottom part of the bimetallic holder (7) is closely connected to the basic frame (1) and its upper part is connected to the movable frame (2) by means of the magnetic holder (8). When the bimetallic holder (7) is temperature deformed, its movement is transferred to the movable frame (2). Movement of the movable frame (2) with glass (6) relative to the basic frame (1) changes the cross-section width (X) of the labyrinth slot and thus also the amount and flow velocity of rinsing air (9) at the opening into the combustion chamber.
  • The labyrinth slot may be seen in Fig. 3 between the basic frame (1) and movable frame (2) with glass (6). The dimension (X) defines in the Figure the regulated cross-section of the outlet slot.
  • One may also see in the Figures, how the rinsing air may flow through the labyrinth, which has arisen between the basic frame (1) and movable frame (2), whereby it is preheated and is conducted onto the inner side of the glass (6) from the side of the fireplace.

Claims (2)

  1. Assembleable construction of a door for fireplace inserts and fireplaces with a three-sided movable supporting frame (2), whereby the intake and regulation of rinsing air (9) onto a glass (6) is performed through a labyrinth slot, the width (X) of which, being defined as the distance between said glass (6) and the outlet edge of a basic frame (1), said width (X) is regulated by moving said movable frame (2) with said glass (6) relative to the basic frame (1), the movable frame (2) with said glass (6) is laterally pivotally attached to the basic frame (1) by means of two pairs of rods (3),characterized in that the bottom part of a bimetallic holder (7) is closely connected to the basic frame (1) and upper part of the bimetallic holder (7) is connected to the movable frame (2) by means of a magnetic holder (8) and the movable frame (2) in its basic-regulating position is centered by supporting running wheels (4).
  2. Assembleable construction of a door for fireplace inserts and fireplaces according to claim 1, characterized in that the labyrinth slot is formed by two U-profiles, inserted into each other in a mirror way and forming together a hollow profile with open slots for rinsing air (9) flow.
EP06717215A 2005-02-22 2006-02-21 Assembleable construction of door with heat-resistant glass for fireplace inserts and fireplace stoves Not-in-force EP1851483B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06717215T PL1851483T3 (en) 2005-02-22 2006-02-21 Assembleable construction of door with heat-resistant glass for fireplace inserts and fireplace stoves

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SK20-2005A SK286832B6 (en) 2005-02-22 2005-02-22 Arrangement construction of doors with heat-resistant glass for chimney inset and chimney stove
PCT/SK2006/000005 WO2006091179A1 (en) 2005-02-22 2006-02-21 Assembleable construction of door with heat-resistant glass for fireplace inserts and fireplace stoves

Publications (2)

Publication Number Publication Date
EP1851483A1 EP1851483A1 (en) 2007-11-07
EP1851483B1 true EP1851483B1 (en) 2011-03-16

Family

ID=36203269

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06717215A Not-in-force EP1851483B1 (en) 2005-02-22 2006-02-21 Assembleable construction of door with heat-resistant glass for fireplace inserts and fireplace stoves

Country Status (8)

Country Link
EP (1) EP1851483B1 (en)
AT (1) ATE502258T1 (en)
DE (1) DE602006020694D1 (en)
ES (1) ES2362408T3 (en)
PL (1) PL1851483T3 (en)
PT (1) PT1851483E (en)
SK (1) SK286832B6 (en)
WO (1) WO2006091179A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1034055C2 (en) * 2007-06-28 2008-12-30 Kal Fire Beheer B V Fireplace.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE324940C (en) * 1919-03-25 1920-09-07 Rud Bennewitz Fire door for tiled stoves
US3616788A (en) * 1969-12-22 1971-11-02 Harold W Hannebaum Heating unit having transparent window
US4519377A (en) * 1984-06-01 1985-05-28 Taylor Thomas E Fireplace heat transfer apparatus
FR2640730A1 (en) * 1988-12-20 1990-06-22 Duong Frederic Device making it possible to limit the deposits which obscure the windows of closed hearths
FI107190B (en) * 1998-03-13 2001-06-15 Puulaempoe Suomi Oy Oven door and its draft adjustment arrangement
AT408687B (en) * 1998-10-19 2002-02-25 Concept Kreative Prod DOOR FOR A HEATING SOLUTION HEATABLE WITH SOLID FUEL
US6488024B2 (en) * 1999-03-23 2002-12-03 Mark Champion Wood heater

Also Published As

Publication number Publication date
ES2362408T3 (en) 2011-07-04
DE602006020694D1 (en) 2011-04-28
PL1851483T3 (en) 2011-09-30
WO2006091179A1 (en) 2006-08-31
PT1851483E (en) 2011-06-27
SK202005A3 (en) 2006-11-03
ATE502258T1 (en) 2011-04-15
SK286832B6 (en) 2009-06-05
EP1851483A1 (en) 2007-11-07

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