GB1417157A - Microwave heating apparatus - Google Patents

Microwave heating apparatus

Info

Publication number
GB1417157A
GB1417157A GB3048775A GB3048775A GB1417157A GB 1417157 A GB1417157 A GB 1417157A GB 3048775 A GB3048775 A GB 3048775A GB 3048775 A GB3048775 A GB 3048775A GB 1417157 A GB1417157 A GB 1417157A
Authority
GB
United Kingdom
Prior art keywords
enclosure
predetermined frequency
door
minima
microwaves
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.)
Expired
Application number
GB3048775A
Other languages
English (en)
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.)
Raytheon Co
Original Assignee
Raytheon Co
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 Raytheon Co filed Critical Raytheon Co
Publication of GB1417157A publication Critical patent/GB1417157A/en
Expired 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
    • H05B6/76—Prevention of microwave leakage, e.g. door sealings
    • H05B6/763—Microwave radiation seals for doors

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Constitution Of High-Frequency Heating (AREA)
  • Electric Ovens (AREA)
GB3048775A 1971-11-30 1972-11-07 Microwave heating apparatus Expired GB1417157A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20322771A 1971-11-30 1971-11-30

Publications (1)

Publication Number Publication Date
GB1417157A true GB1417157A (en) 1975-12-10

Family

ID=22753053

Family Applications (2)

Application Number Title Priority Date Filing Date
GB3048775A Expired GB1417157A (en) 1971-11-30 1972-11-07 Microwave heating apparatus
GB5136472A Expired GB1417156A (en) 1971-11-30 1972-11-07 Microwave heating apparatus

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB5136472A Expired GB1417156A (en) 1971-11-30 1972-11-07 Microwave heating apparatus

Country Status (15)

Country Link
US (1) US3767884A (enrdf_load_stackoverflow)
JP (2) JPS5230733B2 (enrdf_load_stackoverflow)
AU (1) AU474190B2 (enrdf_load_stackoverflow)
BE (1) BE791916A (enrdf_load_stackoverflow)
CA (1) CA954594A (enrdf_load_stackoverflow)
CH (1) CH607529A5 (enrdf_load_stackoverflow)
DE (2) DE2265181C2 (enrdf_load_stackoverflow)
DK (1) DK147960C (enrdf_load_stackoverflow)
FR (1) FR2161982B1 (enrdf_load_stackoverflow)
GB (2) GB1417157A (enrdf_load_stackoverflow)
IT (1) IT973518B (enrdf_load_stackoverflow)
NL (1) NL176625C (enrdf_load_stackoverflow)
NO (1) NO133422C (enrdf_load_stackoverflow)
SE (2) SE384404B (enrdf_load_stackoverflow)
ZA (1) ZA727345B (enrdf_load_stackoverflow)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA956701A (en) * 1971-05-20 1974-10-22 Matsushita Electric Industrial Co., Ltd. Microwave oven
US4041266A (en) * 1972-10-25 1977-08-09 Chemetron Corporation Sensor and tray arrangement
JPS5256523Y2 (enrdf_load_stackoverflow) * 1974-02-26 1977-12-21
US4053731A (en) * 1974-06-14 1977-10-11 Amana Refrigeration, Inc. Microwave energy oven seal
US3985993A (en) * 1974-08-29 1976-10-12 U.S. Philips Corporation Sealing arrangement in a microwave oven
CA1054231A (en) * 1975-03-31 1979-05-08 Arnold M. Bucksbaum Microwave oven door seal system of resonant transmission line structure
JPS523744A (en) * 1976-07-02 1977-01-12 Matsushita Electric Ind Co Ltd High-frequency heater
US4102041A (en) * 1977-03-28 1978-07-25 Amana Refrigeration, Inc. Method of making microwave oven seal structure
US4166207A (en) * 1977-05-31 1979-08-28 Whirlpool Corporation Microwave generating device--door seal
AU518080B2 (en) * 1977-11-25 1981-09-10 Raytheon Company Primary choke system
GB2011770B (en) * 1977-12-13 1982-06-16 Hitachi Heating Appl Door seal arrangement for high-frequency heating apparatus
US4410779A (en) * 1978-04-03 1983-10-18 Raytheon Company Combination microwave oven control system
JPS5948517B2 (ja) * 1979-09-11 1984-11-27 松下電器産業株式会社 高周波加熱装置
US4332992A (en) * 1979-12-19 1982-06-01 Amana Refrigeration, Inc. Air flow system for combination microwave and convection oven
US4371770A (en) * 1980-10-27 1983-02-01 Raytheon Company Adjustable microwave oven door seal
US4313044A (en) * 1980-11-05 1982-01-26 General Electric Company Slot configuration for choke seal
US4390767A (en) * 1981-01-28 1983-06-28 Amana Refrigeration, Inc. Windowed and choked combination oven door
US4475023A (en) * 1981-09-25 1984-10-02 Hitachi Heating Appliances Co., Ltd. Microwave heating apparatus with fundamental and second higher harmonic chokes
WO1984001083A1 (en) * 1982-08-25 1984-03-15 Matsushita Electric Ind Co Ltd Radio-wave sealing device
DE3231516A1 (de) * 1982-08-25 1984-03-01 Schott Glaswerke, 6500 Mainz Glas- und/oder glaskeramik-verbundsystem zur abschirmung gegen mikrowellenstrahlung
SE452389B (sv) * 1983-03-15 1987-11-23 Philips Norden Ab Tetningsanordning vid mikrovagsugnar
US4523069A (en) * 1983-10-24 1985-06-11 General Electric Company Microwave oven door seal
US4689460A (en) * 1985-01-04 1987-08-25 Tdk Corporation Absorber device for microwave leakage
DE3644920A1 (de) * 1986-03-07 1987-12-23 Bosch Siemens Hausgeraete Mikrowellenofen
DE3607557A1 (de) * 1986-03-07 1987-12-23 Bosch Siemens Hausgeraete Mikrowellenofen
GB2196520B (en) * 1986-08-07 1990-01-04 Hitachi Heating Appl Microwave heating apparatus
US4814571A (en) * 1987-04-27 1989-03-21 Raytheon Company Microwave oven adapted for under-the-counter use
US5166487A (en) * 1989-12-15 1992-11-24 Tecogen, Inc. Cooking oven with convection and microwave heating
US5363749A (en) * 1990-03-16 1994-11-15 Tecogen, Inc. Microwave enhanced deep fat fryer
US5030793A (en) * 1990-05-07 1991-07-09 Motorola Inc. Integrated EMI filter and thermal heat sink
US5204503A (en) * 1991-12-17 1993-04-20 Raytheon Company Microwave oven having convection and griddle features
KR0176801B1 (ko) * 1995-12-29 1999-05-15 구자홍 전자레인지의 전자파누설 방지장치
US6242726B1 (en) * 1996-11-21 2001-06-05 George M. Harris Adjustable microwave field stop
US5958278A (en) * 1997-09-08 1999-09-28 Amana Company, L.P. Microwave oven having an orthogonal electromagnetic seal
SE519514C2 (sv) * 1998-12-17 2003-03-11 Whirlpool Co Mikrovågsugn med mikrovågstätning samt förfarande för tätning
US8707857B2 (en) 2005-08-08 2014-04-29 Ronald M. Popeil Cooking device to deep fat fry foods
EP3010309B1 (en) 2006-02-21 2019-04-10 Goji Limited Electromagnetic heating
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
JP2008001928A (ja) * 2006-06-21 2008-01-10 Tokai Konetsu Kogyo Co Ltd 脱脂装置
EP2031938B1 (en) 2007-09-03 2013-02-27 Electrolux Home Products Corporation N.V. A wave choke system for a microwave oven door
ES2448216T3 (es) 2008-11-10 2014-03-13 Goji Limited Dispositivo y método de calentamiento mediante el uso de energía de radiofrecuencia (RF)
US9462635B2 (en) 2009-11-10 2016-10-04 Goji Limited Device and method for heating using RF energy
WO2011138675A2 (en) 2010-05-03 2011-11-10 Goji Ltd. Modal analysis
WO2012007842A2 (en) * 2010-07-15 2012-01-19 Goji Ltd. A choke for an oven
TR201203550A2 (tr) * 2012-03-28 2013-11-21 Tuerkiye Bilimsel Ve Teknolojik Arastirma Kurumu Tuebitak Mikrodalga fırınlarda elektromanyetik sızıntıyı bastırmak amacıyla geniş bantlı çentik tasarımı.
DE102014216557A1 (de) * 2014-03-19 2015-09-24 BSH Hausgeräte GmbH Mikrowellengargerät mit einer Justagevorrichtung zur Justage eines Mikrowellenschilds
JP6185455B2 (ja) * 2014-12-12 2017-08-23 アンリツ株式会社 導波管スイッチ
US11412584B2 (en) 2017-12-08 2022-08-09 Alkar-Rapidpak, Inc. Ovens with metallic belts and microwave launch box assemblies for processing food products
KR20210137809A (ko) * 2020-05-11 2021-11-18 엘지전자 주식회사 다중 쵸크를 구비하는 오븐

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB902128A (en) * 1959-08-19 1962-07-25 Decca Ltd Improvements in or relating to waveguide couplings
US3448232A (en) * 1967-01-11 1969-06-03 Hammtronics Systems Inc Microwave unit seal
US3511959A (en) * 1968-02-16 1970-05-12 Varian Associates Microwave cavity having a varied impedance transmission line microwave energy seal around the access door opening
US3662140A (en) * 1970-10-07 1972-05-09 Raytheon Co High frequency electronic heating apparatus
JPS5226364B2 (enrdf_load_stackoverflow) * 1973-08-10 1977-07-13
JPS5122663A (en) * 1974-08-19 1976-02-23 Nakamura Seisakusho Kk Juatsumenno heninyotsute bochotaini ryutaiochunyu oyobi haishutsusuru hoho
US3899950A (en) * 1974-09-06 1975-08-19 Jim Dvorak Bar shear

Also Published As

Publication number Publication date
NL176625C (nl) 1990-05-16
DK147960C (da) 1985-07-01
IT973518B (it) 1974-06-10
DE2258695B2 (de) 1979-05-17
BE791916A (fr) 1973-03-16
DE2265181A1 (de) 1976-10-14
SE384404B (sv) 1976-05-03
FR2161982B1 (enrdf_load_stackoverflow) 1978-02-10
NL176625B (nl) 1984-12-03
NL7216190A (enrdf_load_stackoverflow) 1973-06-04
JPS534660B2 (enrdf_load_stackoverflow) 1978-02-20
AU474190B2 (en) 1976-07-15
NO133422B (enrdf_load_stackoverflow) 1976-01-19
FR2161982A1 (enrdf_load_stackoverflow) 1973-07-13
JPS4881146A (enrdf_load_stackoverflow) 1973-10-30
JPS4864535A (enrdf_load_stackoverflow) 1973-09-06
CA954594A (en) 1974-09-10
CH607529A5 (enrdf_load_stackoverflow) 1978-12-29
SE7514777L (sv) 1975-12-30
JPS5230733B2 (enrdf_load_stackoverflow) 1977-08-10
GB1417156A (en) 1975-12-10
DE2258695A1 (de) 1973-06-07
NO133422C (enrdf_load_stackoverflow) 1976-04-28
AU4773572A (en) 1974-04-26
US3767884A (en) 1973-10-23
DK147960B (da) 1985-01-14
DE2265181C2 (de) 1984-10-31
ZA727345B (en) 1973-06-27

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Legal Events

Date Code Title Description
414F Notice of opposition given (sect. 14/1949)
414A Case decided by the comptroller ** specification amended (sect. 14/1949)
PS Patent sealed [section 19, patents act 1949]
SP Amendment (slips) printed
PE20 Patent expired after termination of 20 years