EP0123131A1 - Haushaltsherd mit Gasbeheizung - Google Patents

Haushaltsherd mit Gasbeheizung Download PDF

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Publication number
EP0123131A1
EP0123131A1 EP84103043A EP84103043A EP0123131A1 EP 0123131 A1 EP0123131 A1 EP 0123131A1 EP 84103043 A EP84103043 A EP 84103043A EP 84103043 A EP84103043 A EP 84103043A EP 0123131 A1 EP0123131 A1 EP 0123131A1
Authority
EP
European Patent Office
Prior art keywords
orifice
chimney
oven according
thermal
cylinder
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.)
Granted
Application number
EP84103043A
Other languages
English (en)
French (fr)
Other versions
EP0123131B1 (de
Inventor
Alain Gernez
Marcel Capy
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.)
Compagnie Europeenne pour lEquipement Menager SA
Original Assignee
Compagnie Europeenne pour lEquipement Menager SA
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 Compagnie Europeenne pour lEquipement Menager SA filed Critical Compagnie Europeenne pour lEquipement Menager SA
Publication of EP0123131A1 publication Critical patent/EP0123131A1/de
Application granted granted Critical
Publication of EP0123131B1 publication Critical patent/EP0123131B1/de
Expired 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
    • F24C3/12—Arrangement or mounting of control or safety devices
    • F24C3/126—Arrangement or mounting of control or safety devices on ranges
    • F24C3/128—Arrangement or mounting of control or safety devices on ranges in baking ovens
    • 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
    • F24C15/00—Details
    • F24C15/001—Details arrangements for discharging combustion gases

Definitions

  • the invention relates to domestic gas ovens and in particular those comprising a cooking chamber, one wall of which has an orifice for the exhaust of fumes, said orifice opening into a discharge chimney connected to a fresh air inlet.
  • the present invention overcomes these drawbacks.
  • a domestic gas oven comprising a cooking chamber, one wall of which has an orifice for the exhaust of fumes, said orifice opening into a discharge chimney connected to a fresh air inlet, characterized in that 'It comprises on the one hand a first means for reducing the section of said orifice and simultaneously ensuring a circulation of fresh air in the chimney and on the other hand a second means automatically ensuring the implementation of said first means when the temperature reaches a predetermined value in the enclosure.
  • said first means comprises a pivoting flap disposed in said chimney and capable of taking two positions, a first position in which it prevents the flow of fresh air in the chimney and leaves completely open the orifice, a second position in which it partially closes the orifice and allows the circulation of fresh air in the chimney.
  • the second means ensuring the implementation of the first means may include a thermal cylinder associated with a temperature sensor, so as to ensure the operation of said cylinder, when the temperature in the enclosure reaches said predetermined value.
  • the flap is connected to a collar capable of sliding along a rod, a thermal cylinder being threaded on the rod, said cylinder, constituted by a wire made of a memory material thermal, wound in a helix, being retracted when the shutter is in the first position and expanded when the shutter is in the second position, said rod being secured to the sensor so as to convey calories which heat the thermal cylinder.
  • the reference 1 designates the oven cooking chamber. It is provided with a gas burner 2.
  • the rear wall 3 of the oven, opposite the door, has an orifice 4 intended for the exhaust of the fumes.
  • the wall 3 delimits with another wall 5 of the oven a chimney 6, rectangular, external to the cooking chamber 1, and which has a lower opening in communication with the fresh outside air to constitute a draft hood.
  • Reference 7 designates a movable flap located in the chimney 6 likely to pivot around a horizontal axis 8.
  • the reference 9 designates a temperature sensor placed on the wall 3 inside the cooking chamber 1.
  • the sensor 9 is thus placed on the smoke path near the orifice 4 for leaving the chamber 1
  • the reference 10 designates a rod, serving as a heat pipe and supporting a helical thermal cylinder 11, made of a thermal memory material and acting as a thermal cylinder.
  • the rod 10 is connected to the sensor 9 by one end and bears on the wall 5 by its other end.
  • the shutter 7 is connected to a collar 12 capable of sliding along the rod 10, so as to be able to pivot around the axis 8 when the collar 12 moves on the rod 10.
  • the thermal memory material constituting the jack 11 is advantageously chosen from the group formed by alloys whose austenitic structure changes to martensitic structure for a determined temperature, the most common being, for example, brass type alloys with copper content can vary from 55 to 80% and the addition of aluminum from 2 to 8%, the rest consisting essentially of zinc.
  • the rod 10 also carries an opposing spring 13 made of ordinary metal.
  • the spring 13 and the thermal cylinder 11 are located on either side of the collar 12 connected to the flap 7.
  • the axis 8 around which the flap 7 pivots is located below the rod 10, itself being below the orifice 4.
  • the dimensions of the smoke outlet orifice 4 are large enough to allow their expansion to be rapid enough not to disturb the operation of the burner and the draft s 'establishes.
  • the position of the flap 7 ensures a shape at the base of the chimney 6, favorable to the flow of smoke.
  • the temperature sensor 9 transmits the heat provided by the combustion products to the heat pipe 10 and raises the temperature of the memory thermal cylinder 11 until it reaches the temperature at which it expands by bringing the shutter 7 to the second position. balanced.
  • the flap 7 partially closes the outlet orifice 4 for the smoke from the enclosure in the chimney flue 6, so as to give it the optimum value for the operation of the burner while reducing losses as strictly as necessary. It also closes a possible annex orifice (not shown) located between the rod 10 serving as a heat pipe and the axis 8. Simultaneously the draft stop is open which reduces the losses.
  • the fresh air mixing with the fumes reduces their temperature on leaving the atmosphere. This fresh air passes around the thermal cylinder and the heat pipe. It allows the excess heat provided by the heat pipe to be evacuated as a result of the rise in temperature of the fumes in the enclosure. This prevents the thermal cylinder from being brought to a temperature at which it risks losing its properties.
  • the thermal cylinder regains its characteristics from the cold state and again puts the shutter 7 in the ignition position. This increases the smoke outlet section and has the effect of reducing the temperature inside the enclosure without compromising the operation of the burner.
  • This application can be extended to all types of heating chambers and to various types of fuel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Combustion (AREA)
EP19840103043 1983-03-23 1984-03-20 Haushaltsherd mit Gasbeheizung Expired EP0123131B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8304748 1983-03-23
FR8304748A FR2543269B1 (fr) 1983-03-23 1983-03-23 Four domestique a gaz

Publications (2)

Publication Number Publication Date
EP0123131A1 true EP0123131A1 (de) 1984-10-31
EP0123131B1 EP0123131B1 (de) 1986-11-12

Family

ID=9287138

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19840103043 Expired EP0123131B1 (de) 1983-03-23 1984-03-20 Haushaltsherd mit Gasbeheizung

Country Status (3)

Country Link
EP (1) EP0123131B1 (de)
DE (1) DE3461335D1 (de)
FR (1) FR2543269B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112013027314A2 (pt) * 2011-04-27 2019-09-24 Electrolux Home Prod Inc dispositivo de controle de fluxo para um forno
CN108355281B (zh) * 2018-03-12 2021-12-10 台州半城暖通科技有限公司 一种带热敏弹簧的消防喷头阀

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2839044A (en) * 1950-10-14 1958-06-17 Chambers Corp Oven
FR2470929A1 (fr) * 1979-12-04 1981-06-12 Etienne Serge Four-cuisiniere a petrole a regulation de temperature

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2839044A (en) * 1950-10-14 1958-06-17 Chambers Corp Oven
FR2470929A1 (fr) * 1979-12-04 1981-06-12 Etienne Serge Four-cuisiniere a petrole a regulation de temperature

Also Published As

Publication number Publication date
DE3461335D1 (en) 1987-01-02
FR2543269A1 (fr) 1984-09-28
EP0123131B1 (de) 1986-11-12
FR2543269B1 (fr) 1985-06-21

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