IT1145396B - Perfezionamento nei rele' elettromagnetici ad eccitazione controllata da un elemento a coefficiente positivo di temperatura - Google Patents
Perfezionamento nei rele' elettromagnetici ad eccitazione controllata da un elemento a coefficiente positivo di temperaturaInfo
- Publication number
- IT1145396B IT1145396B IT50204/80A IT5020480A IT1145396B IT 1145396 B IT1145396 B IT 1145396B IT 50204/80 A IT50204/80 A IT 50204/80A IT 5020480 A IT5020480 A IT 5020480A IT 1145396 B IT1145396 B IT 1145396B
- Authority
- IT
- Italy
- Prior art keywords
- improvement
- temperature coefficient
- positive temperature
- electromagnetic relays
- coefficient element
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H61/00—Electrothermal relays
- H01H61/002—Structural combination of a time delay electrothermal relay with an electrothermal protective relay, e.g. a start relay
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT50204/80A IT1145396B (it) | 1980-11-19 | 1980-11-19 | Perfezionamento nei rele' elettromagnetici ad eccitazione controllata da un elemento a coefficiente positivo di temperatura |
DE19813145546 DE3145546A1 (de) | 1980-11-19 | 1981-11-17 | Elektromagnetisches relais |
GB8134729A GB2088135A (en) | 1980-11-19 | 1981-11-18 | Electromagnetic relays |
JP56185147A JPS57154734A (en) | 1980-11-19 | 1981-11-18 | Relay |
US06/322,827 US4445079A (en) | 1980-11-19 | 1981-11-19 | Electromagnetic relays |
FR8121668A FR2494494A1 (fr) | 1980-11-19 | 1981-11-19 | Perfectionnement aux relais electromagnetiques a excitation controlee par un element a coefficient positif de temperature |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT50204/80A IT1145396B (it) | 1980-11-19 | 1980-11-19 | Perfezionamento nei rele' elettromagnetici ad eccitazione controllata da un elemento a coefficiente positivo di temperatura |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8050204A0 IT8050204A0 (it) | 1980-11-19 |
IT1145396B true IT1145396B (it) | 1986-11-05 |
Family
ID=11272481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT50204/80A IT1145396B (it) | 1980-11-19 | 1980-11-19 | Perfezionamento nei rele' elettromagnetici ad eccitazione controllata da un elemento a coefficiente positivo di temperatura |
Country Status (6)
Country | Link |
---|---|
US (1) | US4445079A (it) |
JP (1) | JPS57154734A (it) |
DE (1) | DE3145546A1 (it) |
FR (1) | FR2494494A1 (it) |
GB (1) | GB2088135A (it) |
IT (1) | IT1145396B (it) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4991050A (en) * | 1989-09-18 | 1991-02-05 | Allen-Bradley Company, Inc. | Method and device for protecting starters from fault currents |
US5072203A (en) * | 1989-09-18 | 1991-12-10 | Allen-Bradley Company, Inc. | Method and device for protecting starters from fault currents |
JPH06121565A (ja) * | 1992-10-02 | 1994-04-28 | Tdk Corp | リレー装置 |
US5737160A (en) * | 1995-09-14 | 1998-04-07 | Raychem Corporation | Electrical switches comprising arrangement of mechanical switches and PCT device |
US5666254A (en) * | 1995-09-14 | 1997-09-09 | Raychem Corporation | Voltage sensing overcurrent protection circuit |
US5689395A (en) * | 1995-09-14 | 1997-11-18 | Raychem Corporation | Overcurrent protection circuit |
US5864458A (en) * | 1995-09-14 | 1999-01-26 | Raychem Corporation | Overcurrent protection circuits comprising combinations of PTC devices and switches |
DE19636932C1 (de) * | 1996-09-11 | 1998-01-02 | Siemens Ag | Relais mit Überlastschutz |
ITPC20050006U1 (it) * | 2005-03-10 | 2006-09-11 | Electrica Srl | Rele' voltmetrico con base sagomata che presenta incavi atti a costituire sedi per l'inserimento di attacchi tipo "faston" |
US8581686B2 (en) * | 2009-03-24 | 2013-11-12 | Tyco Electronics Corporation | Electrically activated surface mount thermal fuse |
US8289122B2 (en) | 2009-03-24 | 2012-10-16 | Tyco Electronics Corporation | Reflowable thermal fuse |
US8854784B2 (en) | 2010-10-29 | 2014-10-07 | Tyco Electronics Corporation | Integrated FET and reflowable thermal fuse switch device |
CN102185544B (zh) * | 2011-05-17 | 2012-12-19 | 杭州星帅尔电器股份有限公司 | 一种压缩机用结构改良的电机起动器 |
CN102497137A (zh) * | 2011-12-05 | 2012-06-13 | 杭州星帅尔电器股份有限公司 | 一种三点接触式起动器 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2261250A (en) * | 1939-12-28 | 1941-11-04 | Labeeb B Haddad | Electric motor |
US2758175A (en) * | 1952-04-12 | 1956-08-07 | Gen Controls Co | Voltage compensated thermal timer switch |
US3172011A (en) * | 1959-03-18 | 1965-03-02 | Texas Instruments Inc | Electrical circuit control apparatus |
US3322998A (en) * | 1964-08-31 | 1967-05-30 | Rca Corp | Color purity correcting apparatus for colored television picture tubes |
US3486080A (en) * | 1966-11-22 | 1969-12-23 | Northern Electric Co | Time delay de-energization of relays using thermistors |
US3546651A (en) * | 1967-12-08 | 1970-12-08 | Texas Instruments Inc | Thermal time delay relay |
US3586939A (en) * | 1968-06-07 | 1971-06-22 | Texas Instruments Inc | Electrothermal motor starting apparatus |
US3723925A (en) * | 1972-05-30 | 1973-03-27 | Essex International Inc | Electromagnetic relay |
US3965392A (en) * | 1974-01-02 | 1976-06-22 | Sprague Electric Company | Motor start system with two dissimilar PTCR elements |
US4161681A (en) * | 1977-03-17 | 1979-07-17 | General Electric Company | Prime mover, method of operating such and circuit |
CH630205A5 (de) * | 1978-07-19 | 1982-05-28 | Landis & Gyr Ag | Verfahren und einrichtung zur sicherung der wiedereinschaltung eines mittels rundsteuerung gesteuerten elektrischen energieversorgungsnetzes. |
US4241370A (en) * | 1978-11-14 | 1980-12-23 | Texas Instruments Incorporated | Thermal relays particularly for starting single-phase asynchronous motors |
-
1980
- 1980-11-19 IT IT50204/80A patent/IT1145396B/it active
-
1981
- 1981-11-17 DE DE19813145546 patent/DE3145546A1/de not_active Withdrawn
- 1981-11-18 GB GB8134729A patent/GB2088135A/en not_active Withdrawn
- 1981-11-18 JP JP56185147A patent/JPS57154734A/ja active Pending
- 1981-11-19 US US06/322,827 patent/US4445079A/en not_active Expired - Fee Related
- 1981-11-19 FR FR8121668A patent/FR2494494A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US4445079A (en) | 1984-04-24 |
IT8050204A0 (it) | 1980-11-19 |
GB2088135A (en) | 1982-06-03 |
FR2494494A1 (fr) | 1982-05-21 |
JPS57154734A (en) | 1982-09-24 |
DE3145546A1 (de) | 1982-10-14 |
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