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WO2010013930A2 - Réflecteur et cuisinière à gaz le comprenant - Google Patents

Réflecteur et cuisinière à gaz le comprenant Download PDF

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Publication number
WO2010013930A2
WO2010013930A2 PCT/KR2009/004200 KR2009004200W WO2010013930A2 WO 2010013930 A2 WO2010013930 A2 WO 2010013930A2 KR 2009004200 W KR2009004200 W KR 2009004200W WO 2010013930 A2 WO2010013930 A2 WO 2010013930A2
Authority
WO
WIPO (PCT)
Prior art keywords
reflector
gas
combustion
burner
exhaust hole
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.)
Ceased
Application number
PCT/KR2009/004200
Other languages
English (en)
Other versions
WO2010013930A3 (fr
Inventor
Dae-Bong Yang
Jea Hyuk Wie
Yong-Ki Jeong
Yang-Ho Kim
Jun-Ho Seok
Young-Soo Kim
Jung-Wan Ryu
Jae-Bum Lim
Jin-Hae Ye
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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
Priority claimed from KR1020080073540A external-priority patent/KR101064849B1/ko
Priority claimed from KR1020090033882A external-priority patent/KR101067949B1/ko
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Priority to CA2732369A priority Critical patent/CA2732369C/fr
Priority to US13/056,525 priority patent/US20110209694A1/en
Publication of WO2010013930A2 publication Critical patent/WO2010013930A2/fr
Publication of WO2010013930A3 publication Critical patent/WO2010013930A3/fr
Anticipated expiration legal-status Critical
Ceased 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
    • F24C3/08—Arrangement or mounting of burners
    • F24C3/085—Arrangement or mounting of burners on ranges
    • F24C3/087—Arrangement or mounting of burners 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
    • F24C15/22—Reflectors for radiation heaters
    • 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 cooking device, and more particularly, to a gas oven range including a reflector and to a reflector configured to reflect heat generated from a burner.
  • Gas oven ranges are used for cooking foods using a gaseous fuel.
  • a gas oven range includes an oven chamber in which food is cooked, and a burner configured to burn a gaseous fuel for cooking food accommodated in the oven chamber.
  • the burner can be installed on the ceiling of the oven chamber for generating a flame by burning a gaseous fuel and heat food placed in the oven chamber by radiant heat from the flame.
  • Embodiments provide a reflector configured to improve gas combusting efficiency of a burner, and a gas oven range including the reflector.
  • Embodiments also provide a reflector configured to efficiently transfer heat generated by combustion of gas at a burner to food, and a gas oven range including the reflector.
  • a reflector for reflecting flame and heat generated by combustion of gas at a burner disposed at an oven chamber, the reflector including a structure for preventing flame and heat generated by combustion of gas at the burner from leaking upward through gaps between both lateral end portions of the reflector and lateral surfaces of the oven chamber.
  • a reflector including: a reflection part configured to reflect flame and heat generated by combustion of gas at a burner; an exhaust hole configured to discharge combustion gas generated by combustion of gas at the burner toward a side opposite to the burner; and a fixing flange configured to fix the reflection part to an oven chamber.
  • a reflector including: a reflection part configured to reflect flame and heat generated by combustion of gas at a burner, for cooking food placed in an oven chamber; compartment parts extending from both sides of the reflection part to positions close to or contacting lateral surfaces of the oven chamber, the compartment parts being configured to prevent flame and heat of the burner from leaking to a side opposite to the burner through gaps between lateral end portions of the compartment parts and the lateral surfaces of the oven chamber; and a fixing flange configured to fix the reflection part to the oven chamber.
  • a gas oven range including: an oven chamber in which food is cooked; a burner inside the oven chamber; and a reflector configured to reflect flame and heat generated by combustion of gas at the burner, the reflector dividing the oven chamber into a combustion space in which gas is burned by the burner and an exhaust space to which combustion gas generated by combustion of gas at the burner is discharged.
  • Fig. 1 is a perspective view illustrating a gas oven range according to a first embodiment.
  • Fig. 2 is an exploded perspective view illustrating an upper burner and a reflector according to the first embodiment.
  • Fig. 3 is a vertical sectional view illustrating reflection of flames and exhaustion of combustion gas at the reflector according to the first embodiment.
  • Fig. 4 is a perspective view illustrating an upper burner and a reflector of a gas oven range according to a second embodiment.
  • Fig. 5 is a perspective view illustrating an upper burner and a reflector of a gas oven range according to a third embodiment.
  • Fig. 6 is a vertical sectional view illustrating reflection of flames and exhaustion of combustion gas at the reflector according to the third embodiment.
  • Fig. 7 is a perspective view illustrating an upper burner and a reflector of a gas oven range according to a fourth second embodiment.
  • Fig. 1 is a perspective view illustrating a gas oven range 1 according to a first embodiment
  • Fig. 2 is an exploded perspective view illustrating an upper burner 500 and a reflector 600 according to the first embodiment.
  • the oven range 1 includes a cook top part 100, an oven part 200, a drawer part 300, and a control part 400.
  • the cook top part 100, the oven part 200, and the drawer part 300 are disposed at upper, middle, and lower regions of a main body 10 of the oven range 1, respectively.
  • the control part 400 is disposed on the top of the main body 10 at a rear edge portion corresponding to a rear side of the cook top part 100.
  • the cook top part 100 includes a plurality of cook-top burners 110.
  • Each of the cook-top burners 110 can generate a flame by burning a gaseous fuel to directly heat a container in which food is placed.
  • a plurality of knobs 120 are disposed on a front end portion of the cook top part 100. The knobs 120 are used to close, open, or adjust valves (not shown) for starting, stopping, or adjusting supply of a gaseous fuel to the cook-top burners 110.
  • the oven part 200 includes an oven cavity 210 provided inside the main body 10.
  • An oven chamber 211 is provided in the oven cavity 210.
  • food is cooked.
  • a burner chamber (not shown) is provided in the oven cavity 210 under the oven chamber 211 to install a lower burner (not shown).
  • the oven chamber 211 can be selectively closed and opened by using an oven door 220.
  • the oven door 220 is a pull-down door of which the top end can be rotated up and down about the lower end.
  • a door handle 221 is provided on a front upper portion of the oven door 220 so that a user can easily rotate the oven door 220 using the door handle 221.
  • a container in which food is contained can be stored in the drawer part 300 at a predetermined temperature.
  • the drawer part 300 includes a drawer 310 in which a container can be placed.
  • a manipulation signal can be input (generated) through the control part 400 for operating the oven range 1, specifically, at least one of the cook top part 100, the oven part 200, and the drawer part 300.
  • the control part 400 displays information about operational conditions of the oven range 1.
  • Fig. 2 shows the upper burner 500 that is disposed at an upper side of the oven chamber 211.
  • the upper burner 500 is used to burn a gaseous fuel to directly heat food placed in the oven chamber 211 by radiant heat from above.
  • the upper burner 500 includes three combustion parts 510 that have a fork shape elongated in a left-to-right direction (not shown) or preferably in a front-to-back direction of the oven chamber 211.
  • the reflector 600 includes a reflection part 610, exhaust holes 620, and fixing flanges 630.
  • the reflector 600 is disposed between the ceiling of the oven chamber 211 and the upper burner 500.
  • the reflector 600 reflects heat from flames downwardly toward food placed in the oven chamber 211.
  • combustion gas is guided by the reflector 600 to a space above the reflector 600, that is, between the ceiling of the oven chamber 211 and the reflector 600.
  • the reflection part 610 is formed by bending a plate having a predetermined area in an approximate W-shape (cross sectional shape).
  • the reflection part 610 includes a plurality of first connection parts 611, oblique parts 613, and second connection parts 615.
  • Each of the first connection parts 611 has a predetermined lateral width and is located directly above the combustion part 510 in parallel with the combustion part 510.
  • the number of the first connection parts 611 is determined according to the number of the combustion parts 510.
  • the oblique parts 613 are sloped upwardly from both sides of the first connection part 611 at a predetermined angle.
  • the second connection part 615 is disposed between neighboring two of the oblique parts 613 to connect ends of the oblique parts 613.
  • the fixing flanges 630 are disposed on corners of the top surface of the reflection part 610.
  • the fixing flanges 630 are used to fix the reflection part 610 to the ceiling of the oven chamber 211.
  • the fixing flanges 630 may be formed at the corners of the reflection part 610 by cutting and upwardly bending the first connection parts 611 and the oblique parts 613.
  • the exhaust holes 620 are formed into an elongated shape by partially cutting out the second connection parts 615 in longitudinal direction thereof, i.e. in the prefered embodiment ia a front-to-back direction.
  • Fig. 3 is a vertical sectional view illustrating reflection of flames and exhaustion of combustion gas at the reflector 600 according to the first embodiment.
  • a user can input a manipulation signal by using the control part 400 for cooking food using the oven part 200. If a manipulation signal is input through the control part 400, the upper burner 500 (and the lower burner) is operated to cook food in the oven chamber 211.
  • gas and air are supplied to the upper burner 500, and flames are generated by combustion of the gas and air.
  • food is cooked in the oven chamber 211 by flames and heat generated at the upper burner 500.
  • the reflector 600 guides flames and reflects heat generated by combustion of gas at the upper burner 500 toward the food placed in the oven chamber 211.
  • the reflector 600 reflects the heat radiated upwardly from the flames back the food located below the burner.
  • the reflector 600 since the reflector 600 guides and reflects the flames, it is heated by the flames directly and by the hot combustion gas. Therefore the reflector 600 also radiates heat toward to the food.
  • combustion gas generated as a result of combustion of gas at the upper burner 500 is guided to the space between the ceiling of the oven chamber 211 and the reflector 600 through the reflector 600.
  • the combustion gas is collected at the space formed by the second connection part 615 and two oblique parts 613 connected to the second connection part 615. Then, the collected combustion gas flows upward, that is, to the space between the ceiling of the oven chamber 211 and the reflection part 610 through the exhaust hole 620.
  • Fig. 4 is an exploded perspective view illustrating the upper burner 500 and a reflector 700 of a gas oven range according to a second embodiment.
  • the reflector 700 includes a reflection part 710, exhaust holes 730, fixing flanges 740, and cover parts 750.
  • the reflection part 710 includes a plurality of first connection parts 711, oblique parts 713, and second connection parts 715.
  • the reflector 700 further includes cover parts 750 as compared with the previous embodiment.
  • the cover parts 750 are provided so that flames and heat generated by combustion of gas at the upper burner 500 can be prevented from flowing through the exhaust holes 730 to a space between the top surface of the reflector 700 and the ceiling of the oven chamber 211 (refer to Fig. 1). Furthermore, owing to the cover parts 750, combustion gas generated by combustion of gas at the upper burner 500 can be uniformly distributed through the space between the top surface of the reflector 700 and the ceiling of the oven chamber 211.
  • the cover parts 750 have a plate shape with a size corresponding to the size of the exhaust holes 730.
  • the cover parts 750 are disposed directly above the exhaust holes 730. Owing to this structure, flames and heat generated by combustion of gas at the upper burner 500 are not transferred through the exhaust holes 730 to the space between the top surface of the reflector 700 and the ceiling of the oven chamber 211 but are reflected by the cover parts 750 downwardly toward the inside of the oven chamber 211.
  • combustion gas discharged through the exhaust holes 730 can be uniformly distributed forward, backward, leftward, and/or rightward by the cover parts 750.
  • Fixing ribs 751 are provided at front and rear end portions of each cover part 750.
  • the fixing ribs 751 are provided to fix the cover part 750 to the reflection part 710.
  • the fixing ribs 751 have an approximate L-shape and disposed at the front and rear end portions of each cover part 750.
  • the fixing ribs 751 and the cover part 750 may be formed in one piece.
  • the cover part 750 and the reflector 700 may be formed in one piece.
  • the exhaust hole 730 and the cover part 750 may be formed by forming two parallel lines in the second connection part 715 by cutting the second connection part 715 in the length direction of the second connection part 715, and upwardly bending a portion of the second connection part 715 disposed between the parallel lines.
  • Fig. 5 is an exploded perspective view illustrating the upper burner 500 and the reflector 800 of the gas oven range according to a third embodiment
  • Fig. 6 is a vertical sectional view illustrating reflection of flames and exhaustion of combustion gas at the reflector 800 according to the third embodiment.
  • the reflector 800 includes a reflection part 810, compartment parts 820, exhaust holes 830, and fixing flanges 840.
  • the reflection part 810 includes a plurality of first connection parts 811, oblique parts 813, and second connection parts 815.
  • the reflector 800 further includes the compartment parts 820 as compared with the first and second embodiments.
  • the compartment parts 820 are disposed between lateral surfaces of the oven chamber 211 and lateral end portions of the reflector 800 for more complete compartment.
  • the oven chamber 211 is divided into a combustion space 215 and an exhaust space 213 by the reflector 800.
  • the compartment parts 820 are provided on both sides of the reflector 800, that is, outer end portions of the oblique parts 813 of the reflection part 810.
  • the compartment parts 820 extend outward from the outer end portions of the oblique parts 813 toward the lateral surfaces of the oven chamber 211.
  • Outer end portions of the compartment parts 820 are placed close to the lateral surfaces of the oven chamber 211, respectively.
  • the distance between the outer end portions of the compartment parts 820 and the lateral surfaces of the oven chamber 211 may be at least smaller than the width of the exhaust holes 830. Therefore, the combustion space 215 is formed by the lateral, rear, and bottom surfaces of the oven chamber 211 and the bottom surfaces of the reflector 800, and the exhaust space 213 is formed by the lateral, rear, and ceiling surfaces of the oven chamber 211 and the top surface of the reflector 800.
  • the exhaust holes 830 are formed in the reflection part 810, specifically, in the second connection parts and the compartment parts 820. Combustion gas generated as a result of combustion of gas at the upper burner 500 is colleted between the upper burner 500 and the reflector 800, that is, at a space formed by the second connection part 815 and two oblique parts 813 connected to the second connection part 815, and then the combustion gas is discharged to the exhaust space 213 through the exhaust hole 830.
  • the exhaust holes 620 are formed into an elongated shape by partially cutting out the second connection parts 815 and the compartment parts 820 of the reflection part 810 in a longitudinal direction thereof, i.e. in the prefered embodiment in a front-to-back direction.
  • the reflection part 810 and the fixing flanges 840 of the reflector 800 have the same structures as those explained in the first and second embodiments. Thus, descriptions thereof will be omitted.
  • Fig. 7 is a perspective view illustrating the upper burner 500 and the reflector 900 of the gas oven range according to a fourth second embodiment.
  • the reflector 900 includes a reflection part 910, compartment parts 920, exhaust holes 930, fixing flanges 940, and cover parts 950.
  • the reflection part 910 includes a plurality of first connection parts 911, oblique parts 913, and second connection parts 915.
  • the reflector 900 further includes the cover parts 950 as compared with the third embodiment.
  • the cover parts 950 are provided so that flames and heat, in particular radiant heat generated by combustion of gas at the upper burner 500 can be prevented from flowing from a lower side of the reflector 900 (that is, the combustion space 215) to a space (the exhaust space 213) formed between the top surface of the reflector 900 and the ceiling of the oven chamber 211 (refer to Fig. 3). Furthermore, owing to the cover parts 950, combustion gas generated by combustion of gas at the upper burner 500 can be uniformly distributed throughout the exhaust space 213.
  • the cover parts 950 have a plate shape with a size corresponding to the size of the exhaust holes 930.
  • the cover parts 950 are disposed directly above the exhaust holes 930. Owing to this structure, flames and heat generated by combustion of gas at the upper burner 500 are not transferred through the exhaust holes 930 to the upper side of the reflector 900 (that is, the exhaust space 213) but are reflected by the reflector 900 toward the lower side of the reflector 900 (that is, the combustion space 215).
  • combustion gas discharged through the exhaust holes 930 can be uniformly distributed by the cover parts 950 forward, backward, leftward, and/or rightward inside the exhaust space 213.
  • the reflection part 910 and the fixing flanges 940 of the reflector 900 have the same structures as those explained in the first and second embodiments. Thus, descriptions thereof will be omitted.
  • incomplete combustion of gas at the burner can be prevented, and food can be efficiently cooked by heat generated by combustion of gas at the burner.
  • the reflector and the gas oven range including the reflector can provide the following effects.
  • combustion gas generated by combustion of gas at the upper burner is discharged to the space between the top surface of the reflector and the ceiling of the oven chamber through the exhaust holes of the reflector. Therefore, incomplete combustion at the upper burner can be prevented, and thus efficiency decrease and generation of harmful gases can be prevented.
  • flames and heat generated by combustion of gas at the upper burner are not transferred to the space between the top surface of the reflector and the ceiling of the oven chamber through the exhaust holes of the reflector. Therefore, food can be cooked in the oven chamber more efficiently.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Baking, Grill, Roasting (AREA)

Abstract

La présente invention concerne un réflecteur et une cuisinière à gaz. Le réflecteur réfléchit la flamme et la chaleur et divise une chambre de cuisson en un espace de combustion et un espace d’échappement. Un trou d’échappement est formé dans le réflecteur pour évacuer le gaz de combustion vers l’espace d’échappement, le gaz de combustion étant généré par la combustion du gaz au niveau du brûleur dans l’espace de combustion. En conséquence, la combustion incomplète du gaz est évitée, et une fuite de flamme et de chaleur générée par la combustion du gaz est évitée, ce qui permet d'améliorer l’efficacité de combustion du gaz.
PCT/KR2009/004200 2008-07-28 2009-07-28 Réflecteur et cuisinière à gaz le comprenant Ceased WO2010013930A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA2732369A CA2732369C (fr) 2008-07-28 2009-07-28 Reflecteur et cuisiniere a gaz le comprenant
US13/056,525 US20110209694A1 (en) 2008-07-28 2009-07-28 Reflector and gas oven range comprising the same

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020080073540A KR101064849B1 (ko) 2008-07-28 2008-07-28 리플렉터 및 이를 포함하는 가스오븐레인지
KR10-2008-0073540 2008-07-28
KR10-2009-0033882 2009-04-17
KR1020090033882A KR101067949B1 (ko) 2009-04-17 2009-04-17 리플렉터 및 이를 포함하는 가스오븐레인지

Publications (2)

Publication Number Publication Date
WO2010013930A2 true WO2010013930A2 (fr) 2010-02-04
WO2010013930A3 WO2010013930A3 (fr) 2010-05-06

Family

ID=41610838

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2009/004200 Ceased WO2010013930A2 (fr) 2008-07-28 2009-07-28 Réflecteur et cuisinière à gaz le comprenant

Country Status (3)

Country Link
US (1) US20110209694A1 (fr)
CA (1) CA2732369C (fr)
WO (1) WO2010013930A2 (fr)

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US20110209694A1 (en) 2011-09-01
WO2010013930A3 (fr) 2010-05-06
CA2732369C (fr) 2013-09-17

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