IT977243B - Perfezionamento negli apparecchi di riscaldamento a microonde - Google Patents
Perfezionamento negli apparecchi di riscaldamento a microondeInfo
- Publication number
- IT977243B IT977243B IT48114/73A IT4811473A IT977243B IT 977243 B IT977243 B IT 977243B IT 48114/73 A IT48114/73 A IT 48114/73A IT 4811473 A IT4811473 A IT 4811473A IT 977243 B IT977243 B IT 977243B
- Authority
- IT
- Italy
- Prior art keywords
- improvement
- microwave heaters
- heaters
- microwave
- Prior art date
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
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
- H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
- H01H37/764—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material in which contacts are held closed by a thermal pellet
- H01H37/765—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material in which contacts are held closed by a thermal pellet using a sliding contact between a metallic cylindrical housing and a central electrode
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/085—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current making use of a thermal sensor, e.g. thermistor, heated by the excess current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/04—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Control Of High-Frequency Heating Circuits (AREA)
- Fuses (AREA)
- Constitution Of High-Frequency Heating (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US23948072A | 1972-03-30 | 1972-03-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT977243B true IT977243B (it) | 1974-09-10 |
Family
ID=22902330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48114/73A IT977243B (it) | 1972-03-30 | 1973-02-07 | Perfezionamento negli apparecchi di riscaldamento a microonde |
Country Status (12)
Country | Link |
---|---|
US (1) | US3717793A (xx) |
JP (1) | JPS5746197B2 (xx) |
AU (1) | AU476766B2 (xx) |
BE (1) | BE793158A (xx) |
CA (1) | CA963141A (xx) |
CH (1) | CH561971A5 (xx) |
DE (1) | DE2261140C3 (xx) |
FR (1) | FR2177705B1 (xx) |
GB (1) | GB1383789A (xx) |
IT (1) | IT977243B (xx) |
NL (1) | NL7300295A (xx) |
ZA (1) | ZA728768B (xx) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3824374A (en) * | 1971-05-13 | 1974-07-16 | E Mayher | Condition responsive disconnect arrangement for electrical cooking equipment |
JPS5639037B2 (xx) * | 1973-08-20 | 1981-09-10 | ||
JPS50100561A (xx) * | 1973-12-19 | 1975-08-09 | ||
JPS5513917Y2 (xx) * | 1975-01-08 | 1980-03-28 | ||
JPS52151382U (xx) * | 1976-05-13 | 1977-11-16 | ||
JPS52166846U (xx) * | 1976-06-11 | 1977-12-17 | ||
US4096370A (en) * | 1977-06-15 | 1978-06-20 | Litton Systems, Inc. | Microwave oven door interlock switch system |
US4222087A (en) * | 1978-08-21 | 1980-09-09 | Hawthorne Industries, Inc. | Passive triac output asymmetry detector |
US4242713A (en) * | 1979-10-25 | 1980-12-30 | Goodrich Edward W | Triac output asymmetry detector |
US4600875A (en) * | 1981-02-17 | 1986-07-15 | Tii Corporation | Power supplies with latch-up prevention and automatic back-up |
US4390776A (en) * | 1982-03-01 | 1983-06-28 | Yane Daryl J | Immersion heater |
EP0093821B1 (de) * | 1982-05-12 | 1987-05-06 | Geberit AG | Schweissmuffe |
US4885506A (en) * | 1984-12-06 | 1989-12-05 | Nilssen Ole K | Electronic magnetron power supply |
DE3446987A1 (de) * | 1984-12-21 | 1986-07-03 | Latvijskij gosudarstvennyj universitet imeni Petra Stučki, Riga | Verbinder fuer elektrische leiter |
US4756465A (en) * | 1985-04-15 | 1988-07-12 | Latviisky Gosudarstvenny Institut | Method of cold welding |
JPS6340273A (ja) * | 1986-08-04 | 1988-02-20 | 戸塚 忠男 | ケ−ブル接続方法 |
US4808960A (en) * | 1987-11-06 | 1989-02-28 | Therm-O-Disc, Incorporated | Thermal cutoff heater |
US4821010A (en) * | 1987-12-30 | 1989-04-11 | Therm-O-Disc, Incorporated | Thermal cutoff heater |
US5625520A (en) * | 1993-11-19 | 1997-04-29 | Daewoo Electronics Co., Ltd. | Device for preventing a high voltage transformer of a microwave oven from being overheated |
WO2003009323A1 (fr) * | 2001-07-18 | 2003-01-30 | Nec Schott Components Corporation | Fusible thermique |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1968198A (en) * | 1933-09-22 | 1934-07-31 | Theodore D Gibbs | Means for protecting radio receiving sets |
US3385956A (en) * | 1964-07-30 | 1968-05-28 | Mitsubishi Electric Corp | Protective device for electrically warming cloth |
JPS42899Y1 (xx) * | 1964-10-05 | 1967-01-19 | ||
US3396342A (en) * | 1965-04-23 | 1968-08-06 | Advance Transformer Co | Power supply circuit for continuous wave magnetron operated by pulsed direct current |
FR1444909A (fr) * | 1965-05-28 | 1966-07-08 | Pat & Visseaux Claude | Dispositif pour la protection de transformateurs à fortes fuites magnétiques |
US3651371A (en) * | 1970-09-03 | 1972-03-21 | Roper Corp | Power supply for magnetron in microwave oven or the like |
-
0
- BE BE793158D patent/BE793158A/xx not_active IP Right Cessation
-
1972
- 1972-03-30 US US00239480A patent/US3717793A/en not_active Expired - Lifetime
- 1972-12-04 CA CA157,957A patent/CA963141A/en not_active Expired
- 1972-12-05 GB GB5610972A patent/GB1383789A/en not_active Expired
- 1972-12-06 AU AU49705/72A patent/AU476766B2/en not_active Expired
- 1972-12-12 ZA ZA728768A patent/ZA728768B/xx unknown
- 1972-12-14 DE DE2261140A patent/DE2261140C3/de not_active Expired
- 1972-12-18 FR FR7244984A patent/FR2177705B1/fr not_active Expired
- 1972-12-22 CH CH1879472A patent/CH561971A5/xx not_active IP Right Cessation
-
1973
- 1973-01-09 NL NL7300295A patent/NL7300295A/xx not_active Application Discontinuation
- 1973-02-07 IT IT48114/73A patent/IT977243B/it active
- 1973-03-29 JP JP48035166A patent/JPS5746197B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ZA728768B (en) | 1973-08-29 |
JPS4914955A (xx) | 1974-02-08 |
GB1383789A (en) | 1974-02-12 |
JPS5746197B2 (xx) | 1982-10-01 |
NL7300295A (xx) | 1973-10-02 |
DE2261140C3 (de) | 1980-03-06 |
CA963141A (en) | 1975-02-18 |
AU4970572A (en) | 1974-06-06 |
AU476766B2 (en) | 1976-10-07 |
DE2261140B2 (de) | 1979-07-05 |
BE793158A (fr) | 1973-04-16 |
US3717793A (en) | 1973-02-20 |
FR2177705A1 (xx) | 1973-11-09 |
DE2261140A1 (de) | 1973-10-04 |
FR2177705B1 (xx) | 1978-02-10 |
CH561971A5 (xx) | 1975-05-15 |
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