JPH0127250Y2 - - Google Patents
Info
- Publication number
- JPH0127250Y2 JPH0127250Y2 JP1979141498U JP14149879U JPH0127250Y2 JP H0127250 Y2 JPH0127250 Y2 JP H0127250Y2 JP 1979141498 U JP1979141498 U JP 1979141498U JP 14149879 U JP14149879 U JP 14149879U JP H0127250 Y2 JPH0127250 Y2 JP H0127250Y2
- Authority
- JP
- Japan
- Prior art keywords
- pole piece
- circuit breaker
- magnetic
- current
- legs
- 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
- 230000007246 mechanism Effects 0.000 claims description 21
- 239000004020 conductor Substances 0.000 claims description 19
- 230000000670 limiting effect Effects 0.000 claims description 18
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- 230000009471 action Effects 0.000 description 8
- 230000005520 electrodynamics Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000005219 brazing Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000009528 severe injury Effects 0.000 description 1
- 239000011359 shock absorbing material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
- H01H71/2454—Electromagnetic mechanisms characterised by the magnetic circuit or active magnetic elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
- H01H71/2472—Electromagnetic mechanisms with rotatable armatures
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/952,035 US4220935A (en) | 1978-10-16 | 1978-10-16 | Current limiting circuit breaker with high speed magnetic trip device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5559437U JPS5559437U (US07943777-20110517-C00090.png) | 1980-04-22 |
| JPH0127250Y2 true JPH0127250Y2 (US07943777-20110517-C00090.png) | 1989-08-15 |
Family
ID=25492516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1979141498U Expired JPH0127250Y2 (US07943777-20110517-C00090.png) | 1978-10-16 | 1979-10-15 |
Country Status (10)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4276526A (en) * | 1980-01-28 | 1981-06-30 | General Electric Company | Miniature current limiting circuit breaker |
| DE3169025D1 (en) * | 1980-10-17 | 1985-03-28 | Sprecher & Schuh Ag | Circuit-breaker protecting against overcurrents |
| US4598186A (en) * | 1983-05-09 | 1986-07-01 | Square D Company | Vent arrangement for high amperage molded case circuit breaker |
| US4680562A (en) * | 1985-07-29 | 1987-07-14 | Westinghouse Electric Corp. | Integral circuit interrupter with separable modules |
| US4683451A (en) * | 1986-03-14 | 1987-07-28 | Westinghouse Electric Corp. | Circuit breaker with trip delay magnetic circuit |
| US4719438A (en) * | 1986-09-30 | 1988-01-12 | Westinghouse Electric Corp. | Circuit breaker with fast trip unit |
| US4862131A (en) * | 1988-10-11 | 1989-08-29 | Square D Company | Trip crossbar translation to prevent bimetal overstressing in a circuit breaker |
| US5872495A (en) * | 1997-12-10 | 1999-02-16 | Siemens Energy & Automation, Inc. | Variable thermal and magnetic structure for a circuitbreaker trip unit |
| US5886599A (en) * | 1997-12-15 | 1999-03-23 | Eaton Corporation | Molded case circuit breaker having an improved electromagnetic trip |
| US6747534B1 (en) | 1999-08-18 | 2004-06-08 | Eaton Corporation | Circuit breaker with dial indicator for magnetic trip level adjustment |
| US6586693B2 (en) * | 2000-03-17 | 2003-07-01 | General Electric Company | Self compensating latch arrangement |
| US9899176B2 (en) | 2016-04-07 | 2018-02-20 | General Electric Company | Self-resetting biasing devices for current limiting circuit breaker trip systems |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2412304A (en) * | 1944-08-11 | 1946-12-10 | Staley Marcellus | Electromagnet |
| US3179767A (en) * | 1956-06-21 | 1965-04-20 | Wadsworth Electric Mfg Co | Circuit breaker with improved electromagnetic tripping device |
| US3296564A (en) * | 1963-08-30 | 1967-01-03 | Westinghouse Electric Corp | Circuit breaker with thermal and magnetic trip means |
| NL142271B (nl) * | 1967-01-27 | 1974-05-15 | Terasaki Denki Sangyo Kk | Automatische schakelinrichting met beweegbare contactstangen openend onder invloed van elektrodynamische krachten. |
| US3646488A (en) * | 1969-11-05 | 1972-02-29 | Tokyo Shibaura Electric Co | Electric circuit breaker |
| US3646489A (en) * | 1970-09-23 | 1972-02-29 | Gen Electric | Circuit breaker having thermal and magnetic actuation with improved magnetic trip |
-
1978
- 1978-10-16 US US05/952,035 patent/US4220935A/en not_active Expired - Lifetime
-
1979
- 1979-09-28 GB GB7933828A patent/GB2034119B/en not_active Expired
- 1979-10-02 ZA ZA00795248A patent/ZA795248B/xx unknown
- 1979-10-08 DE DE19792940706 patent/DE2940706A1/de active Granted
- 1979-10-10 CA CA337,291A patent/CA1116211A/en not_active Expired
- 1979-10-11 AU AU51680/79A patent/AU531263B2/en not_active Expired
- 1979-10-15 FR FR7925604A patent/FR2439471A1/fr active Granted
- 1979-10-15 JP JP1979141498U patent/JPH0127250Y2/ja not_active Expired
- 1979-10-15 IT IT41625/79A patent/IT1124343B/it active
- 1979-10-15 ES ES485011A patent/ES8100550A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2439471B1 (US07943777-20110517-C00090.png) | 1984-11-16 |
| IT7941625A0 (it) | 1979-10-15 |
| FR2439471A1 (fr) | 1980-05-16 |
| AU5168079A (en) | 1980-04-24 |
| CA1116211A (en) | 1982-01-12 |
| GB2034119A (en) | 1980-05-29 |
| JPS5559437U (US07943777-20110517-C00090.png) | 1980-04-22 |
| US4220935A (en) | 1980-09-02 |
| DE2940706C2 (US07943777-20110517-C00090.png) | 1989-11-02 |
| ZA795248B (en) | 1980-09-24 |
| IT1124343B (it) | 1986-05-07 |
| AU531263B2 (en) | 1983-08-18 |
| DE2940706A1 (de) | 1980-04-24 |
| ES485011A0 (es) | 1980-11-01 |
| GB2034119B (en) | 1983-03-23 |
| ES8100550A1 (es) | 1980-11-01 |
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