CA2498675A1 - System for sensing the presence of a load in an oven cavity of a microwave cooking appliance - Google Patents

System for sensing the presence of a load in an oven cavity of a microwave cooking appliance Download PDF

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Publication number
CA2498675A1
CA2498675A1 CA002498675A CA2498675A CA2498675A1 CA 2498675 A1 CA2498675 A1 CA 2498675A1 CA 002498675 A CA002498675 A CA 002498675A CA 2498675 A CA2498675 A CA 2498675A CA 2498675 A1 CA2498675 A1 CA 2498675A1
Authority
CA
Canada
Prior art keywords
oven cavity
load
cooking appliance
microwave
appliance according
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
CA002498675A
Other languages
English (en)
French (fr)
Inventor
Robert A. Schulte
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.)
Maytag Corp
Original Assignee
Maytag Corp
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 Maytag Corp filed Critical Maytag Corp
Publication of CA2498675A1 publication Critical patent/CA2498675A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/66—Circuits
    • H05B6/666—Safety circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2206/00—Aspects relating to heating by electric, magnetic, or electromagnetic fields covered by group H05B6/00
    • H05B2206/04—Heating using microwaves
    • H05B2206/043—Methods or circuits intended to extend the life of the magnetron

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Ovens (AREA)
CA002498675A 2004-04-08 2005-02-28 System for sensing the presence of a load in an oven cavity of a microwave cooking appliance Abandoned CA2498675A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/819,915 2004-04-08
US10/819,915 US6867402B1 (en) 2004-04-08 2004-04-08 System for sensing the presence of a load in an oven cavity of a microwave cooking appliance

Publications (1)

Publication Number Publication Date
CA2498675A1 true CA2498675A1 (en) 2005-10-08

Family

ID=34274968

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002498675A Abandoned CA2498675A1 (en) 2004-04-08 2005-02-28 System for sensing the presence of a load in an oven cavity of a microwave cooking appliance

Country Status (2)

Country Link
US (1) US6867402B1 (>)
CA (1) CA2498675A1 (>)

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US8839527B2 (en) * 2006-02-21 2014-09-23 Goji Limited Drying apparatus and methods and accessories for use therewith
WO2008102334A1 (en) 2007-02-21 2008-08-28 Rf Dynamics Ltd. Rf controlled freezing
US8653482B2 (en) * 2006-02-21 2014-02-18 Goji Limited RF controlled freezing
US10674570B2 (en) 2006-02-21 2020-06-02 Goji Limited System and method for applying electromagnetic energy
FR2900531B1 (fr) * 2006-04-27 2013-03-01 Brandt Ind Procede de detection d'une anomalie de fonctionnement et four a micro-ondes associe
US20090236334A1 (en) * 2006-07-10 2009-09-24 Rf Dynamics Ltd Food preparation
IL184672A (en) 2007-07-17 2012-10-31 Eran Ben-Shmuel Apparatus and method for concentrating electromagnetic energy on a remotely-located object
US9131543B2 (en) 2007-08-30 2015-09-08 Goji Limited Dynamic impedance matching in RF resonator cavity
DE102007051638B8 (de) * 2007-10-26 2010-06-10 Rational Ag Verfahren zur Erkennung des Beladungszustandes eines Gargerätes mit Mikrowellengaren und Gargerät zur Durchführung solch eines Verfahrens
KR101797837B1 (ko) 2008-11-10 2017-11-15 고지 엘티디. 에너지 제어 장치 및 방법
WO2011058537A1 (en) 2009-11-10 2011-05-19 Goji Ltd. Device and method for controlling energy
ES2398329T3 (es) * 2009-11-18 2013-03-15 Whirlpool Corporation Horno de microondas y método relacionado que incluye un magnetrón para calentar y un SSMG para detectar los objetos calentados
WO2011138675A2 (en) 2010-05-03 2011-11-10 Goji Ltd. Modal analysis
KR101709473B1 (ko) * 2010-05-26 2017-02-23 엘지전자 주식회사 마이크로웨이브를 이용한 조리기기
KR101752523B1 (ko) 2010-07-01 2017-06-29 고지 엘티디. 무선 주파수 에너지에 의한 대상물 처리
US9992824B2 (en) 2010-10-29 2018-06-05 Goji Limited Time estimation for energy application in an RF energy transfer device
FR2977127B1 (fr) 2011-06-30 2014-07-04 Thirode Grandes Cuisines Poligny Procede de conduite d'un four par l'image de sa charge
WO2013078325A1 (en) * 2011-11-22 2013-05-30 Goji Ltd. Control of rf energy application based on temperature
CN106322452B (zh) * 2016-08-31 2019-09-06 广东美的厨房电器制造有限公司 微波炉空载检测方法、设备及微波炉
CN107703803B (zh) * 2017-10-02 2020-06-05 广东美的厨房电器制造有限公司 负载检测方法、装置及计算机可读存储介质
CN114766920A (zh) * 2022-03-29 2022-07-22 宁波方太厨具有限公司 一种烤箱空载检测方法以及采用该检测方法的烤箱

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JP2797657B2 (ja) 1990-06-01 1998-09-17 松下電器産業株式会社 高周波加熱装置
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JPH06307645A (ja) * 1993-04-26 1994-11-01 Toshiba Corp 加熱調理器
KR0128675B1 (ko) 1993-06-29 1998-04-09 김광호 전자렌지의 구동제어방법 및 장치
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KR100234735B1 (ko) 1996-07-11 2000-01-15 구자홍 전자레인지의 균일가열방법 및 그 장치
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US6396035B2 (en) 1999-01-14 2002-05-28 Samsung Electronics, Co., Ltd. Microwave oven and data obtaining method therefor
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US6452141B1 (en) 2001-06-30 2002-09-17 Samsung Electronics Co., Ltd. Microwave oven with magnetic field detecting device

Also Published As

Publication number Publication date
US6867402B1 (en) 2005-03-15

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Legal Events

Date Code Title Description
FZDE Discontinued