US20120037147A1 - Cooking appliance - Google Patents

Cooking appliance Download PDF

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Publication number
US20120037147A1
US20120037147A1 US13/263,935 US200913263935A US2012037147A1 US 20120037147 A1 US20120037147 A1 US 20120037147A1 US 200913263935 A US200913263935 A US 200913263935A US 2012037147 A1 US2012037147 A1 US 2012037147A1
Authority
US
United States
Prior art keywords
cavity
space
cooking appliance
appliance according
heat
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.)
Abandoned
Application number
US13/263,935
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English (en)
Inventor
Young-soo Kim
Yang-Ho Kim
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
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Assigned to LG ELECTRONICS INC. reassignment LG ELECTRONICS INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KIM, YANG-HO, KIM, YOUNG-SOO
Publication of US20120037147A1 publication Critical patent/US20120037147A1/en
Abandoned 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
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/06—Arrangement or mounting of electric heating elements

Definitions

  • the present disclosure relates to a cooking appliance, and more particularly, to the cooking appliance capable of cooking by a grill.
  • the cooking appliance is one of electrical appliances cooking food by heating the food to be cooked to allow a user to eat.
  • Such a cooking appliances are classified depending on the type of heat sources heating the food to be cooked and forms to be disposed.
  • the cooking appliances are classified into a microwave oven and an oven depending on the type of heat sources heating the food to be cooked.
  • the microwave oven heats the food by supplying high-frequency to a shielded space accommodating the food and the oven cooks the food by heating air of the shielded space accommodating the food.
  • the cooking appliances are classified into a gas cooking appliance and an electric cooking appliance depending on the type of heat sources heating the food to be cook.
  • the gas cooking appliance heats the food with a flame generated by burning the gas to be supplied and the electrical cooking appliance heats the food with a heater heated by electricity to be supplied.
  • the cooking appliances are classified into built-in type of cooking appliances, free-stand type of cooking appliances and wall-mounted type of cooking appliances depending on forms to be disposed.
  • the built-in type of cooking appliances are disposed between kitchen furnitures disposed at a kitchen space
  • the free-stand type of cooking appliances is disposed at any desired location in the kitchen
  • the wall-mounted type of cooking appliances are disposed at a wall of the kitchen space.
  • the added functions include function reducing cooking time required for cooking the food by complexly disposing heat sources or insulation function for stability improvement of the configuration accommodated in the kitchen furnitures, and reconfiguration of flow passage for discharge of the discharge gas generated when cooking the food and cooling of the product.
  • An object of the disclosure is to provide a cooking appliance capable of concentratedly heating.
  • Another object of the disclosure is to provide a cooking appliance having a wide cooking space.
  • the cooking appliance of the disclosure comprises a cavity, in which the top thereof has a curvature, providing cooking space of food; a first heat source positioned at the top of the cavity while having the curvature corresponding to the top surface of the cavity and heating interior space of the cavity; a first heat source positioned at the bottom of the cavity and heating interior space of the cavity; and a discharge port discharging the discharge gas into the exterior space.
  • the cooking appliance in another aspect of the disclosure comprises a cavity providing a cooking space of food; a separation plate partitioning interior space of the cavity into top space and bottom space; a first heat source disposed in the top of the cavity and heating the interior space of the cavity; and a second heat source disposed in the bottom of the cavity and heating the interior space of the cavity, wherein front cross sections of the top space and the bottom space of the cavity partitioned by the separation plate are different from each other.
  • FIG. 1 is a perspective view showing shape of the cooking appliance according to an embodiment of the disclosure.
  • FIG. 2 is a side cross section view showing configuration of the cooking appliance according to an embodiment of the disclosure.
  • FIG. 3 is a front cross section view showing cavity of the cooking appliance according to an embodiment of the disclosure.
  • FIG. 4 schematically shows configuration for a first heat source disposed at top of the cavity of the cooking appliance according to an embodiment of the disclosure.
  • FIG. 5 is a front cross section view showing cavity of the cooking appliance according to another embodiment of the disclosure.
  • an embodiment for an idea of the disclosure is not limited to the embodiment described below and one skilled in the art understanding an idea of the disclosure may easily propose another embodiment included within range the same idea by addition, change, deletion and the like of the constituents but they also will be included in an idea of the disclosure.
  • FIG. 1 is a perspective view showing shape of the cooking appliance according to an embodiment of the disclosure
  • FIG. 2 is a side cross section view showing configuration of the cooking appliance according to an embodiment of the disclosure.
  • FIG. 3 is a front cross section view showing a cavity of the cooking appliance according to an embodiment of the disclosure.
  • the cooking appliance illustrated as a gas oven range, according to an embodiment of the disclosure will be described with reference to drawings shown.
  • the shape for the cooking appliance of the disclosure has overall roughly rectangular type.
  • a cooktop portion 100 is positioned at the upper to cook food by heating food placed in the top or the bowl of the food
  • a oven portion 200 is positioned at the bottom of the cooktop portion 100 to cook the food by accommodating the food in the interior space and heating the space containing the food by a number of heat source.
  • a drawer portion 300 is positioned at the bottom the oven portion 200 to keep cooked food warm or form the space of relatively low temperature to cook the food by heating the food at low temperature.
  • the cooktop portion 100 is positioned at the upper, the drawer portion 300 is positioned at the lower, and the oven portion 200 having the largest volume is positioned at center the cooking appliance, that is, space between the cooktop portion 100 and the drawer portion 300 .
  • the cooktop portion 100 having the shape of roughly the rectangular forms a certain degree of the interior space and a plurality of top burner 110 is disposed in the interior space to cook food by heating food placed in the top or the bowl of the food.
  • the top surface of the cooktop portion 100 is formed by a top plate 120 , the top plate 120 having a certain degree of thickness has a square plank type and a number of burner holes having a certain degree of diameter is formed.
  • the number of top burner 110 passing through the burner is disposed to be protruded upward at a certain degree from the top surface of the top plate 120 .
  • a supporting member 130 supporting the bowl of the food is disposed at the top surface of the top plate 120 .
  • the supporting member 130 is formed by material having a certain degree of strength to support the bowl of the food placed in the top surface thereof.
  • a controller 140 is positioned at front end of the cooktop portion 100 to control the cooktop portion 100 , the oven portion 200 and the drawer portion 300 by a user.
  • an operation portion 150 directly operating the heat source is composed of a number of knob type when the user use the cooktop portion 100 , the oven portion 200 and the drawer portion 300 to cook the food, and a display portion 160 representing as screen or image, speech signal is disposed to check operating condition of the cooktop portion 100 , the oven portion 200 and the drawer portion 300 .
  • the operation portion 150 operating directly the number of heat source is also composed of various type other than knob type, for example, button or wheel type. That is, if it is configured that the user may operate the number of heat source, some type of configuration will be also fine.
  • the oven portion 200 is positioned at the bottom of the cooktop portion 100 .
  • the oven portion 200 at which the front thereof is totally opened, has a certain degree of interior space, a cavity 210 is positioned at the interior space thereof to provide space cooking the food, and a number of heat source is disposed at the outside of the cavity 210 .
  • the interior space of the cavity 210 is heated by the number of heat source composed outside of the cavity 210 and therefore, the food positioned at the interior space of the cavity 210 is heated and cook by hot air of the interior space of the cavity 210 .
  • the food to be cook or the cook food enter the interior space and the exterior space through the opened front and an oven door 220 is revolvably mounted in the front of the oven portion 200 to open and close the interior space of the cavity 210 .
  • the oven door 220 having a certain degree of thickness has a square plank type, and a perspective window 222 is formed in center of the oven door 220 to check cooking condition or operating condition of the food accommodated in the interior space of the cavity 210 without rotating the oven door 220 by the user.
  • the cavity 210 disposed at the interior space of the oven portion 200 in which top surface thereof has curvature and its center has shape to be round upward, is provided as cooking space of the food, and the number of first heat source 230 is disposed at the top of the cavity 210 to heat the interior space of the oven portion 200 .
  • a door handle 224 easily rotating the oven door 220 is disposed at front of the oven door 220 when the user rotates the oven door 220 . It is possible to form the door handle 224 to be protruded forward from front of the oven door 220 and to form the door handle 224 to be depressed backward to allow the user to grasp.
  • some type of the door handle 224 to allow the user to easily grasp when rotating the oven door 220 by the user will be fine, and since the cavity 210 perform function providing the space cooking the food in the interior space thereof, if the type of the cavity 210 may perform such a function, some type of the cavity will be fine.
  • the drawer portion 300 in which the top surface thereof is opened rectangular, includes a heat source disposed in the bottom thereof or the bottom side the interior space and heating the interior space of the drawer portion 300 , it is also possible that the heat source is disposed in majority and in a various type.
  • the drawer portion 300 is mounted to be sled back and forth to forward slide if necessary by the user and then, accommodates and keeps the food or the bowl of the food or cooks the food.
  • the drawer handle 310 disposed in the front of the drawer portion 300 and for grasping to allow the user to slide the drawer portion 300 is disposed.
  • the oven portion 200 is formed by a heat storage member 226 storing heat to be applied to an outer wall.
  • the heat storage member 226 is made of material of stone and the like and slowly radiates heat to be heated by the number of heat source disposed in the outside of the cavity 210 in the condition accumulated at a certain degree in the inside of the heat storage member 226 .
  • the cavity 210 seen forward has curvature to be rounded at the center of the top surface thereof, and a number of first heat source 230 heating the interior space of the cavity along with the top of the cavity 210 is disposed in the top of the cavity 210 having curvature to be rounded upward.
  • a surface burning burner generating flame while burning on the surface is used as the first heat source 230 .
  • a ceramic burner is mainly used as the face burning burner, and it is also possible to use a different type of heat source. However, since location of the first heat source 230 is mounted in the top surface of the cavity 210 , it is preferable to mount the face burning burner.
  • the first heat source 230 is mounted along with the top surface having curvature of the cavity 210 and therefore a contact portion between the first heat source 230 and the cavity 210 is formed to have the curvature corresponding to the top of the cavity 210 .
  • the burning portion of the first heat source 230 has not a certain degree of the curvature, composes a additional structure, that is, a fastening member, and may be formed to be closed with the top surface of the cavity 210 while fastening the fastening member having curvature corresponding to the top of the cavity 210 to the top of the cavity 210 or edge portion for burning portion of the first heat source 230 .
  • first heat source 230 and the top surface of the cavity 210 to be closed is to heat the interior space of the cavity 210 without leaking burning heat generating while burning gas in the first heat source 230 to the outside.
  • FIG. 4 schematically shows configuration for a gas supply portion of the cooking appliance according to an embodiment of the disclosure.
  • the gas supply portion 240 supplying mixture gas to the first heat source 230 is disposed at the back of the first heat source 230 .
  • the gas supply portion 240 includes the gas mixture tube 241 generating mixture gas while simultaneously introducing gas and outer air.
  • the front edge portion of the gas mixture tube 241 is disposed to be communicated with a main mixture tube 242 at length disposed in the direction to be crossed with the gas mixture tube 241 and having circular pipe type with a certain degree of diameter.
  • the main mixture tube 242 supplies the mixture gas mixed with gas and air while passing through the gas mixture tube 241 to each of the first heat source 230 .
  • the main mixture tube 242 is a circular pipe type to be lengthen horizontally and constantly partial mixed mixture in the gas mixture tube 241 is circulated in the interior space of the main mixture tube 242 .
  • the mixture gas guide tube 243 to allow the first heat source 230 and the main mixture tube 242 to communicate is positioned at the front of the main mixture tube 242 .
  • the mixture gas guide tube 243 in which one end thereof is communicated with the main mixture tube 242 and the other end is communicated with the first heat source 230 , guides the mixture gas to be moved to the first heat source 230 .
  • the gas and the air introduced into the gas mixture tube 241 is mixed at a certain degree while passing through the gas mixture tube 241 to form the mixture gas, and the mixture gas passing through the gas mixture tube 241 is more mixed while moving to the main mixture tube 242 to be communicated with the interior space of the gas mixture tube 241 .
  • the mixture gas moved to the main mixture tube 242 is more mixed while moving to the mixture gas guide tube 243 , the mixture passing through the mixture gas guide tube 243 ignites each of the first heat source 230 while circulating into the interior space of the first heat source 230 . Then, the mixture gas is burned to heat the interior space of the cavity 210 .
  • the first heat source 230 is back and forth at length mounted in the top surface of the cavity 210 to heat the interior space of the cavity 210 .
  • One of the first heat sources 230 is positioned at the center of the top positioned at upper end portion of the cavity 210 and each different first heat source 230 is positioned at both side.
  • the first heat source 230 is positioned to be farthest spaced from the bottom of the cavity 210 than the first heat sources 230 positioned respectively at both sides.
  • the first heat sources 230 is mounted so that the portion to be burned while igniting gas faces the interior space of the cavity 210 and the interior space of the cavity 210 is heated by the burning heat.
  • a second heat source 250 is disposed at the bottom of the cavity 210 to heat into the interior space of the cavity 210
  • a separation plate 260 is disposed at the interior space of the cavity 210 to spatially partition the cavity 210 into top space and bottom space.
  • each discharge port 270 is formed in the back side of the top space and the bottom space partitioned by the separation plate 260 to move discharge gas to be generated when cooking the food in the interior space of the cavity 210 to the exterior space of the cavity 210 .
  • the discharge port 270 is formed to communicate with a main discharge duct 280 positioned at the back of the cavity 210 .
  • the main discharge duct 280 discharges the discharge gas to be generated at the cooktop portion 100 , the oven portion 200 and the drawer portion 300 into the exterior space.
  • the discharge gas is guided by the main discharge duct 280 to be discharged into the exterior space by communicating the main discharge duct 280 and the discharge port 270 with each other.
  • each distance between the first heat source 230 positioned at the top surface center of the cavity 210 and the first heat source 230 positioned at the both sides have the same distance, and the first heat sources 230 are positioned side by side horizontally when viewed from the front.
  • the front cross sections of the top space have shapes different from each other.
  • the top surface of the cavity 210 having the curvature is formed to be rounded. Therefore, the top space formed by the separation plate 260 is formed by the front cross section in which the top thereof is rounded and the bottom space is formed by the front cross section of the rectangle.
  • the top surface of the cavity 210 having the curvature is formed to be rounded, and therefore, when extending heating direction of each of the first source 230 mounted along with the top with imaginary extension lines, each of extension lines is crossed each other at any branch.
  • the heating directions of the first heat source 230 mounted in the top surface center of the cavity 210 face directly under the direction regardless of the curvature of the top of the cavity 210 , and the heating directions of the first heat source 230 mounted in the top left part when viewed in the drawing face downward toward the right direction.
  • the heating directions of the first heat source 230 mounted in the top surface right part of the cavity 210 when viewed in the drawing face downward toward the left direction.
  • the extension lines cross each other at any branch.
  • the food placed in the center of the interior space of the cavity 210 is concentratedly heated, thereby reducing cooking time by concentrated heating.
  • the operation portion 150 disposed in the controller 140 is operated to supply the gas to the first heat source 230 mounted in the top surface of the cavity 210 and then, the oven portion 200 is ignited. At this time, if the user supplies the gas to the first heat source 230 , the gas is introduced into the gas mixture tube 241 . The introduced gas and air is mixed at a certain degree to form the mixture gas while passing through the gas mixture tube 241 .
  • the mixture gas passing through the gas mixture tube 241 is moved into the main mixture tube 242 , and the mixture gas moved into the main mixture tube 242 is guided by the mixture gas guide tube 243 , is introduced into the first heat source 230 , and is burned.
  • the first heat source 230 generates the burning heat and radiant heat by the first heat source 230 , and the interior space of the cavity 210 is heated by the burning heat and radiant heat to cook the food.
  • the first heat source 230 is mounted along with the top surface of the cavity 210 having the curvature in which the center thereof is rounded upward, and therefore, the burning heat and the radiant heat face toward the center of the interior space of the cavity 210 . So, more heat is transferred to the center of the interior space of the cavity 210 to reduce the cooking time of the food placed in the center of the interior space of the cavity 210 .
  • the food placed in the center of the cavity may be concentratedly heated, thereby reducing cooking time of the food.
  • the top surface of the cavity is formed by the shape having the curvature, and therefore, there is an effect that the interior space of the cavity is wide. There is an effect that high-capacity food cooking is to be able due to widening of the interior space.
  • the food placed in the center of the cavity may be concentratedly heated, thereby reducing cooking time of the food.
  • the top surface of the cavity is formed by the shape having the curvature, and therefore, there is an effect that the interior space of the cavity is wide. There is an effect that high-capacity food cooking is to be able due to widening of the interior space.

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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)
US13/263,935 2009-05-11 2009-09-03 Cooking appliance Abandoned US20120037147A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020090041002A KR20100122025A (ko) 2009-05-11 2009-05-11 조리기기
KR10-2009-0041002 2009-05-11
PCT/KR2009/004955 WO2010131801A1 (ko) 2009-05-11 2009-09-03 조리기기

Publications (1)

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US20120037147A1 true US20120037147A1 (en) 2012-02-16

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US13/263,935 Abandoned US20120037147A1 (en) 2009-05-11 2009-09-03 Cooking appliance

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US (1) US20120037147A1 (ko)
KR (1) KR20100122025A (ko)
WO (1) WO2010131801A1 (ko)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120067334A1 (en) * 2009-05-11 2012-03-22 Lg Electronics Inc. Cooking appliance
US9504351B2 (en) 2013-10-11 2016-11-29 Haler U.S. Appliance Solutions, Inc. Double oven appliance
US11421894B2 (en) * 2020-07-13 2022-08-23 Haier Us Appliance Solutions, Inc. Spill guard for a gas oven burner

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017007253A1 (ko) * 2015-07-08 2017-01-12 장길재 열전달 구조체를 구비한 오븐 조리장치

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2675458A (en) * 1950-06-24 1954-04-13 Harry L Stiles Electric cooking utensil
US5872351A (en) * 1996-12-20 1999-02-16 Taco Bell Corporation Domed induction oven
US20050100331A1 (en) * 2003-11-07 2005-05-12 Matsushita Electric Industrial Co., Ltd. Infrared ray lamp, heating apparatus using the same, method for manufacturing a heating element, and method for manufacturing an infrared ray lamp

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970018858U (ko) * 1995-10-31 1997-05-26 가스오븐렌지의 캐비티 구조
JP3883977B2 (ja) * 2003-03-17 2007-02-21 三洋電機株式会社 加熱調理器
KR100700771B1 (ko) * 2005-03-30 2007-03-27 엘지전자 주식회사 슬라이딩 타입의 백가드가 구비된 오븐레인지
KR20060127690A (ko) * 2005-06-08 2006-12-13 삼성전자주식회사 전기오븐렌지

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2675458A (en) * 1950-06-24 1954-04-13 Harry L Stiles Electric cooking utensil
US5872351A (en) * 1996-12-20 1999-02-16 Taco Bell Corporation Domed induction oven
US20050100331A1 (en) * 2003-11-07 2005-05-12 Matsushita Electric Industrial Co., Ltd. Infrared ray lamp, heating apparatus using the same, method for manufacturing a heating element, and method for manufacturing an infrared ray lamp

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120067334A1 (en) * 2009-05-11 2012-03-22 Lg Electronics Inc. Cooking appliance
US9504351B2 (en) 2013-10-11 2016-11-29 Haler U.S. Appliance Solutions, Inc. Double oven appliance
US11421894B2 (en) * 2020-07-13 2022-08-23 Haier Us Appliance Solutions, Inc. Spill guard for a gas oven burner

Also Published As

Publication number Publication date
WO2010131801A1 (ko) 2010-11-18
KR20100122025A (ko) 2010-11-19

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Date Code Title Description
AS Assignment

Owner name: LG ELECTRONICS INC., KOREA, REPUBLIC OF

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KIM, YOUNG-SOO;KIM, YANG-HO;REEL/FRAME:027047/0612

Effective date: 20110915

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION