EP2104805A1 - An oven - Google Patents

An oven

Info

Publication number
EP2104805A1
EP2104805A1 EP07858138A EP07858138A EP2104805A1 EP 2104805 A1 EP2104805 A1 EP 2104805A1 EP 07858138 A EP07858138 A EP 07858138A EP 07858138 A EP07858138 A EP 07858138A EP 2104805 A1 EP2104805 A1 EP 2104805A1
Authority
EP
European Patent Office
Prior art keywords
exhaust duct
pressure sensor
oven
gas
shutter
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Withdrawn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
EP07858138A
Other languages
German (de)
French (fr)
Inventor
Cemalettin Kalayci
Talip Caglar
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.)
Arcelik AS
Original Assignee
Arcelik AS
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 Arcelik AS filed Critical Arcelik AS
Publication of EP2104805A1 publication Critical patent/EP2104805A1/en
Withdrawn legal-status Critical Current

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
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/12—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L11/00—Arrangements of valves or dampers after the fire
    • F23L11/005—Arrangements of valves or dampers after the fire for closing the flue during interruption of burner function
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/06—Regulating fuel supply conjointly with draught
    • F23N1/062—Regulating fuel supply conjointly with draught using electronic means
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2221/00—Pretreatment or prehandling
    • F23N2221/10—Analysing fuel properties, e.g. density, calorific
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2225/00—Measuring
    • F23N2225/04—Measuring pressure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • the present invention relates to a gas range oven wherein energy saving is provided.
  • inflammable gases such as methane (CH4) known as natural gas or butane (C4H10) known as oil gas are used.
  • CH4 methane
  • C4H10 butane
  • the discharge of gases and some of the heat from the exhaust duct after the burning in the oven results in thermal losses and the reduction of efficiency. Therefore, the gases discharged from the exhaust duct must be kept under control.
  • the duct orifice for example that is optimum for methane gas may not be appropriate for butane gas or vice- versa.
  • the cross-sectional area of the duct can be adjusted according to the type of gas; however, when adjustment cannot be made in accordance with the gas this results in inefficient burning and the increase in energy consumption.
  • the aim of the present invention is the realization of an oven wherein the efficiency is increased by adjusting the exhaust duct cross- sectional area according to the type of gas used and wherein energy saving is provided.
  • inflammable gases such methane, butane having different pressure values are delivered to the gas burners in the oven and on the cooking range and the waste gases and water vapor generated after the burning process in the cooking chamber is discharged out by means of an exhaust duct.
  • a pressure sensor is disposed on the gas supply line that detects the pressure value of the said gases such as methane or butane and a shutter is disposed on the exhaust duct that moves by the triggering of the pressure sensor which adjusts the cross-sectional area of the exhaust duct according to the pressure values detected by the pressure sensor in the gas supply line.
  • the shutter moves inside the exhaust duct by the triggering of the pressure sensor with the assistance of for example wheels or sliding bearings for adjusting the cross- sectional area of the exhaust duct and thus burning efficiency is increased by forming an exhaust duct orifice that is in accordance with the type of gas used.
  • stoppers are disposed on the shutter or on the exhaust duct that enable the shutter moves by being activated by the pressure sensor to remain at positions appropriate for the type of gas thus adjusting the cross- sectional area of the duct.
  • one end of the shutter is inside the pressure sensor disposed on the gas supply line and the other end projects from the pressure sensor extending up to the exhaust duct and thus the shutter is directly activated by the pressure sensor.
  • an electromechanical motion mechanism such as a step motor is used to activate the shutter according to the pressure value detected by the pressure sensor.
  • Figure 1 - is the schematic view of a gas oven.
  • the oven (1) wherein flammable gases such as methane (CH4) or butane (C4H10) are used for the energy source, comprises a cooking chamber (2) wherein the cooking process is performed by burning flammable gases, gas burner (4) that provides the burning process inside the cooking chamber (2), a gas supply line (3) that delivers the flammable gases to the gas burner (4) and an exhaust duct (5) for discharging the waste gases and water vapor generated as a result of burning.
  • flammable gases such as methane (CH4) or butane (C4H10) are used for the energy source
  • the flammable gases used in the oven (1) are supplied with different pressures depending on the type of gas.
  • the methane gas delivered to the gas burner (4) in the oven (1) by the gas supply line (3) has approximately 20 mbar pressure value while the butane gas has approximately 30 mbar pressure value.
  • the oven (1) of the present invention comprises:
  • a pressure sensor (6) disposed on the gas supply line (3) that detects the pressure values of different types of flammable gases delivered to the gas burner (4) by means of the gas supply line (3) and
  • a shutter (7) situated on the exhaust duct (5) that moves by the triggering of the pressure sensor (6) and adjusts the cross-sectional area (A) of the exhaust duct (5) according to the pressure value detected by the pressure sensor (6) in the gas supply line (3).
  • the gases such as methane, butane delivered to the gas burner (4) in the cooking chamber (2) by the gas supply line (3) have different pressure values.
  • the waste gases generated in the cooking chamber (2) as a result of burning are discharged by the exhaust duct (5).
  • the pressure values different from each other depending on the entering gas type, are detected by the pressure sensor (6) disposed on the gas supply line (3) and the shutter (7) on the exhaust duct (5) is triggered according to the detected pressure value and moves for example on wheels or sliding bearings for adjusting the cross-sectional area (A) of the exhaust duct (5) to change according to the gas type.
  • the shutter (7) when butane gas with 30 mbar pressure is used, the shutter (7), triggered according to 30 mbar pressure detected by the pressure sensor (6), is pushed forwards and moves in the exhaust duct (5) to decrease the wide cross- sectional area (A) of the exhaust duct (5) providing a cross- sectional area (A) suitable for butane gas.
  • the shutter (7) when methane gas with 20 mbar pressure is used, the shutter (7), triggered according to 20 mbar pressure detected by the pressure sensor (6), is pushed backwards and increases the narrow cross- sectional area (A) of the exhaust duct (5) providing a cross-sectional area (A) suitable for methane gas.
  • the oven (1) comprises one or more stoppers (8, 108) that are disposed on the shutter (7) or on the exhaust duct (5) that enable the shutter (7), moving by being triggered by means of the pressure sensor (6), to remain at positions appropriate for the type of gas thus adjusting the cross- sectional area (A) of the exhaust duct (5).
  • one end of the shutter (7) is inside the pressure sensor (6) that is disposed on the gas supply line (3) and the other end projects from the pressure sensor (6) extending up to the exhaust duct (5).
  • the shutter (7) is affected with the pressure of the gas in the pressure sensor (6) and thus is directly activated by the pressure sensor (6).
  • the oven (1) comprises an electromechanical motion mechanism (9) such as a step motor that moves the shutter (7) according to the pressure value detected by the pressure sensor (6).
  • an electromechanical motion mechanism such as a step motor that moves the shutter (7) according to the pressure value detected by the pressure sensor (6).
  • the shutter (7) can be moved in the desired amount depending on the pressure value detected by the pressure sensor (6) and the cross-sectional area (A) of the exhaust duct (5) can be precisely adjusted.
  • the cross- sectional area (A) of the exhaust duct (5) is adjusted correctly and automatically by the pressure sensor (6) and the shutter (7) whereby energy saving is provided by enhancing the burning efficiency of the oven (1).

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Regulation And Control Of Combustion (AREA)

Abstract

The present invention relates to an oven (1) wherein flammable gases such as methane (CH4) or butane (C4H10) are used for the energy source, that comprises a cooking chamber (2) wherein the cooking process is performed by burning flammable gases, an oven gas burner (4) that provides the burning process inside the cooking chamber (2), a gas supply line (3) that delivers the flammable gases to the gas burner (4) and an exhaust duct (5) for discharging the waste gases and water vapor generated as a result of burning and wherein the cross-sectional area (A) of the exhaust duct (5) is adjusted for increasing the burning efficiency.

Description

Description AN OVEN
[0001] The present invention relates to a gas range oven wherein energy saving is provided.
[0002] In gas ovens, inflammable gases such as methane (CH4) known as natural gas or butane (C4H10) known as oil gas are used. The discharge of gases and some of the heat from the exhaust duct after the burning in the oven results in thermal losses and the reduction of efficiency. Therefore, the gases discharged from the exhaust duct must be kept under control. When both methane and butane gas are desired to be used in a gas oven depending on circumstances, the duct orifice for example that is optimum for methane gas may not be appropriate for butane gas or vice- versa. The cross-sectional area of the duct can be adjusted according to the type of gas; however, when adjustment cannot be made in accordance with the gas this results in inefficient burning and the increase in energy consumption.
[0003] In state of the art United States of America Patent No US6772753, in a gas-fired heater an adjustment device is described which is situated at the exhaust duct and that adjusts the orifice of the exhaust duct according to the measured pressure in the exhaust duct.
[0004] The aim of the present invention is the realization of an oven wherein the efficiency is increased by adjusting the exhaust duct cross- sectional area according to the type of gas used and wherein energy saving is provided.
[0005] The oven realized in order to attain the aim of the present invention is explicated in the claims.
[0006] In the oven of the present invention, inflammable gases such methane, butane having different pressure values are delivered to the gas burners in the oven and on the cooking range and the waste gases and water vapor generated after the burning process in the cooking chamber is discharged out by means of an exhaust duct. A pressure sensor is disposed on the gas supply line that detects the pressure value of the said gases such as methane or butane and a shutter is disposed on the exhaust duct that moves by the triggering of the pressure sensor which adjusts the cross-sectional area of the exhaust duct according to the pressure values detected by the pressure sensor in the gas supply line.
[0007] The shutter moves inside the exhaust duct by the triggering of the pressure sensor with the assistance of for example wheels or sliding bearings for adjusting the cross- sectional area of the exhaust duct and thus burning efficiency is increased by forming an exhaust duct orifice that is in accordance with the type of gas used.
[0008] In an embodiment of the present invention, stoppers are disposed on the shutter or on the exhaust duct that enable the shutter moves by being activated by the pressure sensor to remain at positions appropriate for the type of gas thus adjusting the cross- sectional area of the duct. [0009] In another embodiment of the present invention, one end of the shutter is inside the pressure sensor disposed on the gas supply line and the other end projects from the pressure sensor extending up to the exhaust duct and thus the shutter is directly activated by the pressure sensor.
[0010] In another embodiment of the present invention, an electromechanical motion mechanism such as a step motor is used to activate the shutter according to the pressure value detected by the pressure sensor.
[0011] The oven realized in order to attain the aim of the present invention is illustrated in the attached figure, where:
[0012] Figure 1 - is the schematic view of a gas oven.
[0013] The elements illustrated in the figure are numbered as follows:
1. Oven
2. Cooking chamber
3. Gas supply line
4. Gas burner
5. Exhaust duct
6. Pressure sensor
7. Shutter
8. , 108. Stopper
9. Motion mechanism
[0014] The oven (1), wherein flammable gases such as methane (CH4) or butane (C4H10) are used for the energy source, comprises a cooking chamber (2) wherein the cooking process is performed by burning flammable gases, gas burner (4) that provides the burning process inside the cooking chamber (2), a gas supply line (3) that delivers the flammable gases to the gas burner (4) and an exhaust duct (5) for discharging the waste gases and water vapor generated as a result of burning.
[0015] The flammable gases used in the oven (1) are supplied with different pressures depending on the type of gas. For example, the methane gas delivered to the gas burner (4) in the oven (1) by the gas supply line (3) has approximately 20 mbar pressure value while the butane gas has approximately 30 mbar pressure value.
[0016] The oven (1) of the present invention comprises:
- a pressure sensor (6) disposed on the gas supply line (3) that detects the pressure values of different types of flammable gases delivered to the gas burner (4) by means of the gas supply line (3) and
- a shutter (7) situated on the exhaust duct (5) that moves by the triggering of the pressure sensor (6) and adjusts the cross-sectional area (A) of the exhaust duct (5) according to the pressure value detected by the pressure sensor (6) in the gas supply line (3).
[0017] In the embodiment of the present invention, the gases such as methane, butane delivered to the gas burner (4) in the cooking chamber (2) by the gas supply line (3) have different pressure values. The waste gases generated in the cooking chamber (2) as a result of burning are discharged by the exhaust duct (5). The pressure values different from each other depending on the entering gas type, are detected by the pressure sensor (6) disposed on the gas supply line (3) and the shutter (7) on the exhaust duct (5) is triggered according to the detected pressure value and moves for example on wheels or sliding bearings for adjusting the cross-sectional area (A) of the exhaust duct (5) to change according to the gas type. For example, when butane gas with 30 mbar pressure is used, the shutter (7), triggered according to 30 mbar pressure detected by the pressure sensor (6), is pushed forwards and moves in the exhaust duct (5) to decrease the wide cross- sectional area (A) of the exhaust duct (5) providing a cross- sectional area (A) suitable for butane gas. For example, when methane gas with 20 mbar pressure is used, the shutter (7), triggered according to 20 mbar pressure detected by the pressure sensor (6), is pushed backwards and increases the narrow cross- sectional area (A) of the exhaust duct (5) providing a cross-sectional area (A) suitable for methane gas.
[0018] In an embodiment of the present invention, the oven (1) comprises one or more stoppers (8, 108) that are disposed on the shutter (7) or on the exhaust duct (5) that enable the shutter (7), moving by being triggered by means of the pressure sensor (6), to remain at positions appropriate for the type of gas thus adjusting the cross- sectional area (A) of the exhaust duct (5).
[0019] In an oven (1) wherein two types of gases, for example methane or butane gas or like that, can be used, when the butane gas with high pressure is used, the shutter (7) is pushed forwards trying to decrease the cross- sectional area (A) of the exhaust duct (5) and a suitable cross-sectional area (A) for the butane gas is adjusted by means of the stopper (8). Similarly, when methane gas with low pressure is used, the shutter (7) is pulled backwards trying to increase the cross- sectional area (A) of the exhaust duct (5) and a suitable cross-sectional area (A) for the methane gas is adjusted by means of the stopper (108).
[0020] In an embodiment of the present invention, one end of the shutter (7) is inside the pressure sensor (6) that is disposed on the gas supply line (3) and the other end projects from the pressure sensor (6) extending up to the exhaust duct (5). In this embodiment, the shutter (7) is affected with the pressure of the gas in the pressure sensor (6) and thus is directly activated by the pressure sensor (6).
[0021] In another embodiment of the present invention, the oven (1) comprises an electromechanical motion mechanism (9) such as a step motor that moves the shutter (7) according to the pressure value detected by the pressure sensor (6). Thus the shutter (7) can be moved in the desired amount depending on the pressure value detected by the pressure sensor (6) and the cross-sectional area (A) of the exhaust duct (5) can be precisely adjusted.
[0022] In the oven (1) of the present invention, different adjustments are not required for different types of gases; the cross- sectional area (A) of the exhaust duct (5) is adjusted correctly and automatically by the pressure sensor (6) and the shutter (7) whereby energy saving is provided by enhancing the burning efficiency of the oven (1).

Claims

Claims
[0001] An oven (1) comprising a cooking chamber (2) wherein the cooking process is performed by burning flammable gases, an oven gas burner (4) that provides the burning process inside the cooking chamber (2), a gas supply line (3) that delivers the flammable gases to the gas burner (4) and an exhaust duct (5) for discharging the waste gases and water vapor generated as a result of burning, - and characterized by - a pressure sensor (6) disposed on the gas supply line (3) that detects the pressure values of different types of gases delivered to the gas burner (4) by means of the gas supply line (3) and - a shutter (7) disposed on the exhaust duct (5) that moves by the triggering of the pressure sensor (6) and adjusts the cross- sectional area (A) of the exhaust duct (5) according to the pressure value detected by the pressure sensor (6) in the gas supply line (3).
[0002] An oven (1) as in Claim 1, characterized by one or more stoppers (8, 108) that are disposed on the shutter (7) or on the exhaust duct (5) that enable the shutter (7), that is triggered to move by the pressure sensor (6), to remain at appropriate positions according to the type of gas thus adjusting the cross- sectional area (A) of the exhaust duct (5).
[0003] An oven (1) as in Claim 1 or 2, characterized by the shutter (7) with one end inside the pressure sensor (6) disposed on the gas supply line (3) and the other end projecting from the pressure sensor (6) extending up to the exhaust duct (5).
[0004] An oven (1) as in any one of the above claims, characterized by a motion mechanism (9) that activates the shutter (7) according to the pressure value detected by the pressure sensor (6).
EP07858138A 2006-12-26 2007-12-25 An oven Withdrawn EP2104805A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR200607458 2006-12-26
PCT/EP2007/064540 WO2008077967A1 (en) 2006-12-26 2007-12-25 An oven

Publications (1)

Publication Number Publication Date
EP2104805A1 true EP2104805A1 (en) 2009-09-30

Family

ID=39226877

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07858138A Withdrawn EP2104805A1 (en) 2006-12-26 2007-12-25 An oven

Country Status (2)

Country Link
EP (1) EP2104805A1 (en)
WO (1) WO2008077967A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017097326A1 (en) 2015-12-07 2017-06-15 Arcelik Anonim Sirketi Gas oven having an improved chimney duct assembly
WO2017097327A1 (en) 2015-12-07 2017-06-15 Arcelik Anonim Sirketi Gas oven with improved heat protection
CN113100642B (en) * 2021-05-21 2022-11-08 中山市博恩电器有限公司 Cooking heater

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2112554A (en) * 1936-07-17 1938-03-29 Bryant Heater Co Automatic control for fuel burning apparatus
US2488388A (en) * 1946-01-11 1949-11-15 Grand Ind Inc Fuel and damper control combination
US4266929A (en) * 1978-08-14 1981-05-12 Swenson Paul F Fluid actuated damper control apparatus
GB2237665B (en) * 1989-10-31 1993-09-01 Potterton Int Ltd Heating boilers
AT395773B (en) * 1991-06-28 1993-03-25 Vaillant Gmbh HEATING DEVICE
DE69320514T2 (en) * 1992-03-26 1999-04-29 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka Gas appliance

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2008077967A1 *

Also Published As

Publication number Publication date
WO2008077967A1 (en) 2008-07-03

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