GB1211024A - Improvements in or relating to microwave heating - Google Patents
Improvements in or relating to microwave heatingInfo
- Publication number
- GB1211024A GB1211024A GB5568167A GB5568167A GB1211024A GB 1211024 A GB1211024 A GB 1211024A GB 5568167 A GB5568167 A GB 5568167A GB 5568167 A GB5568167 A GB 5568167A GB 1211024 A GB1211024 A GB 1211024A
- Authority
- GB
- United Kingdom
- Prior art keywords
- applicator
- slots
- energy
- channels
- propagate
- 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
- H05B6/78—Arrangements for continuous movement of material
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Constitution Of High-Frequency Heating (AREA)
Abstract
1,211,024. Microwave heating. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. 10 Feb., 1969 [9 Nov., 1967], No. 51099/67. Heading H5H. Apparatus for heating sheet material or discrete objects or particulate material using microwave energy comprises an applicator 3 adapted to propagate the energy as a slow wave only in a direction parallel to the direction of movement AA of the material 2 through a heating zone. A loss-free conveyer belt 1 of polypropylene conveys the material 2 through two halves 3a, 3b, of the applicator or, alternatively, a stainless steel belt 1<SP>1</SP>, Fig. 5 (not shown), carries material beneath an applicator 3<SP>1</SP> of similar structure to part 3a. Applicator part 3a has a plurality of channels A-F, each #/4 deep, with horizontal coupling slots S1-S4 therebetween and vertical slots V1-V3 to prevent propagation of energy transverse to the direction of material movement, the slots V1- V3 being 3#/8 apart. Energy is coupled from the waveguide W into channel A through slots L1-L4. Channels X, X<SP>1</SP>, prevent leakage from channels A, A<SP>1</SP>, to the outside of applicator 3 by acting as quarter wavelength chokes. In an alternative, the applicator is fed at the centre to propagate slow waves in opposite directions.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5109967 | 1967-11-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1211024A true GB1211024A (en) | 1970-11-04 |
Family
ID=10458651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5568167A Expired GB1211024A (en) | 1967-11-09 | 1967-11-09 | Improvements in or relating to microwave heating |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1211024A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2417577A1 (en) * | 1973-04-13 | 1974-10-31 | Thomson Csf | HIGH FREQUENCY HEATING DEVICE FOR HEATING DIELECTRIC MATERIAL WITH SMALL SECTION |
US4471194A (en) * | 1971-05-20 | 1984-09-11 | Matsushita Electric Industrial Co., Ltd. | Electromagnetic energy seal for high frequency heating apparatus |
GB2206470A (en) * | 1987-06-26 | 1989-01-05 | Emi Plc Thorn | Cooker appliances |
EP2637479A1 (en) * | 2012-03-06 | 2013-09-11 | Samsung Corning Precision Materials Co., Ltd. | High frequency heating apparatus |
-
1967
- 1967-11-09 GB GB5568167A patent/GB1211024A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4471194A (en) * | 1971-05-20 | 1984-09-11 | Matsushita Electric Industrial Co., Ltd. | Electromagnetic energy seal for high frequency heating apparatus |
DE2417577A1 (en) * | 1973-04-13 | 1974-10-31 | Thomson Csf | HIGH FREQUENCY HEATING DEVICE FOR HEATING DIELECTRIC MATERIAL WITH SMALL SECTION |
GB2206470A (en) * | 1987-06-26 | 1989-01-05 | Emi Plc Thorn | Cooker appliances |
EP2637479A1 (en) * | 2012-03-06 | 2013-09-11 | Samsung Corning Precision Materials Co., Ltd. | High frequency heating apparatus |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |