GB1506612A - Microwave energy oven seal - Google Patents
Microwave energy oven sealInfo
- Publication number
- GB1506612A GB1506612A GB19119/75A GB1911975A GB1506612A GB 1506612 A GB1506612 A GB 1506612A GB 19119/75 A GB19119/75 A GB 19119/75A GB 1911975 A GB1911975 A GB 1911975A GB 1506612 A GB1506612 A GB 1506612A
- Authority
- GB
- United Kingdom
- Prior art keywords
- seal
- inductor
- door
- region
- propagation path
- 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
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
-
- 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
- F24C15/02—Doors specially adapted for stoves or ranges
- F24C15/04—Doors specially adapted for stoves or ranges with transparent panels
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Constitution Of High-Frequency Heating (AREA)
- Electric Ovens (AREA)
Abstract
Between the door (20) and the housing walls, the microwave oven has a microwave trap with a propagation path (68 to 74). The latter surrounds an inductor seal (22) which has a region of low impedance (which presents a higher impedance value in the case of its transformation to the inlet point) at a distance equal to half a wavelength from the inlet point of the microwaves into the trap or an integral multiple thereof. In order that low production costs and relaxation of the tolerance limits are made possible and, at the same time, in order that safety with respect to escaping energy can be improved, a further inductor seal (104), likewise having a region of low impedance, is provided between the housing walls and the door, in series with the first inductor seal, in the region of the propagation path. The mean distance between this further inductor seal and the outer edge of the door and the first inductor seal (22) is in this case selected such that the second region of low impedance to the outer edge of the door and to the inlet point (68) of the microwaves into the propagation path (68 to 74) is transformed to a higher impedance. This results in two-stage reduction of the energy escaping from the oven space. <IMAGE>
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US47937974A | 1974-06-14 | 1974-06-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1506612A true GB1506612A (en) | 1978-04-05 |
Family
ID=23903763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB19119/75A Expired GB1506612A (en) | 1974-06-14 | 1975-05-07 | Microwave energy oven seal |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS515645A (en) |
| BE (1) | BE829954A (en) |
| CA (1) | CA1030613A (en) |
| CH (1) | CH608677A5 (en) |
| DE (1) | DE2526070C3 (en) |
| FR (1) | FR2275108A1 (en) |
| GB (1) | GB1506612A (en) |
| IT (1) | IT1035414B (en) |
| NL (1) | NL179330C (en) |
| SE (1) | SE403514B (en) |
| ZA (1) | ZA752387B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2083329A (en) * | 1980-08-26 | 1982-03-17 | Sharp Kk | Oven door construction in a microwave oven |
| EP2031938A1 (en) | 2007-09-03 | 2009-03-04 | Electrolux Home Products Corporation N.V. | A wave choke system for a microwave oven door |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE401732B (en) * | 1976-08-18 | 1978-05-22 | Philips Svenska Ab | DOOR FOR A MICROWAVE OVEN, JUST SET FOR MANUFACTURE OF THE DOOR |
| DE2705983C2 (en) * | 1977-02-12 | 1982-12-09 | Litton Industries, Inc., 90210 Beverly Hills, Calif. | Combination microwave cooking equipment |
| US4102041A (en) * | 1977-03-28 | 1978-07-25 | Amana Refrigeration, Inc. | Method of making microwave oven seal structure |
| CA1111505A (en) * | 1977-08-01 | 1981-10-27 | Junzo Tanaka | Microwave oven having a radiation leak-proof drawer type door |
| AU518080B2 (en) * | 1977-11-25 | 1981-09-10 | Raytheon Company | Primary choke system |
| JPS5933793A (en) * | 1982-08-18 | 1984-02-23 | 松下電器産業株式会社 | High frequency heater |
| IT8334016V0 (en) * | 1983-04-07 | 1983-04-07 | Zanussi A Spa Industrie | DOOR FOR COMBINED OVEN GAS OR ELECTRIC AND MICROWAVE. |
| JPS61163589A (en) * | 1985-01-14 | 1986-07-24 | 松下電器産業株式会社 | High frequecy heater |
| JPS61206297U (en) * | 1985-06-14 | 1986-12-26 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS488777U (en) * | 1971-06-10 | 1973-01-31 |
-
1975
- 1975-04-11 CA CA224,048A patent/CA1030613A/en not_active Expired
- 1975-04-15 ZA ZA00752387A patent/ZA752387B/en unknown
- 1975-04-22 IT IT49235/75A patent/IT1035414B/en active
- 1975-05-07 GB GB19119/75A patent/GB1506612A/en not_active Expired
- 1975-05-27 NL NLAANVRAGE7506221,A patent/NL179330C/en not_active IP Right Cessation
- 1975-05-30 JP JP50065247A patent/JPS515645A/ja active Pending
- 1975-06-04 FR FR7517443A patent/FR2275108A1/en active Granted
- 1975-06-06 BE BE157098A patent/BE829954A/en not_active IP Right Cessation
- 1975-06-11 DE DE2526070A patent/DE2526070C3/en not_active Expired
- 1975-06-12 SE SE7506724A patent/SE403514B/en unknown
- 1975-06-13 CH CH770375A patent/CH608677A5/en not_active IP Right Cessation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2083329A (en) * | 1980-08-26 | 1982-03-17 | Sharp Kk | Oven door construction in a microwave oven |
| EP2031938A1 (en) | 2007-09-03 | 2009-03-04 | Electrolux Home Products Corporation N.V. | A wave choke system for a microwave oven door |
| WO2009030319A1 (en) * | 2007-09-03 | 2009-03-12 | Electrolux Home Products Corporation N.V. | A wave choke system for a microwave oven door |
Also Published As
| Publication number | Publication date |
|---|---|
| NL179330B (en) | 1986-03-17 |
| DE2526070B2 (en) | 1980-01-17 |
| CH608677A5 (en) | 1979-01-15 |
| NL179330C (en) | 1986-08-18 |
| SE7506724L (en) | 1975-12-15 |
| IT1035414B (en) | 1979-10-20 |
| AU8026375A (en) | 1976-10-21 |
| FR2275108B1 (en) | 1980-03-14 |
| CA1030613A (en) | 1978-05-02 |
| ZA752387B (en) | 1976-03-31 |
| NL7506221A (en) | 1975-12-16 |
| SE403514B (en) | 1978-08-21 |
| BE829954A (en) | 1975-10-01 |
| JPS515645A (en) | 1976-01-17 |
| DE2526070C3 (en) | 1980-10-16 |
| DE2526070A1 (en) | 1976-01-02 |
| FR2275108A1 (en) | 1976-01-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |