FR548116A - - Google Patents
Info
- Publication number
- FR548116A FR548116A FR548116DA FR548116A FR 548116 A FR548116 A FR 548116A FR 548116D A FR548116D A FR 548116DA FR 548116 A FR548116 A FR 548116A
- Authority
- FR
- France
- 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
- 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
- H01H71/26—Electromagnetic mechanisms with windings acting in opposition
-
- 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
- H01H71/66—Power reset mechanisms
- H01H71/68—Power reset mechanisms actuated by electromagnet
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/36—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electromagnetic release and no other automatic release
- H01H73/38—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electromagnetic release and no other automatic release reset by lever
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/0253—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch two co-operating contacts actuated independently
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanisms For Operating Contacts (AREA)
- Breakers (AREA)
- Electromagnets (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US511000A US1560440A (en) | 1921-10-28 | 1921-10-28 | Electric switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR548116A true FR548116A (da) | 1923-01-05 |
Family
ID=24033060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR548116D Expired FR548116A (da) | 1921-10-28 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1560440A (da) |
| BE (1) | BE306494A (da) |
| FR (1) | FR548116A (da) |
| GB (1) | GB187993A (da) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2515992A (en) * | 1944-06-17 | 1950-07-18 | Milwaukee Gas Specialty Co | Thermocouple safety pilot switch |
| US2601422A (en) * | 1947-01-07 | 1952-06-24 | Ite Circuit Breaker Ltd | Circuit breaker |
| US2601483A (en) * | 1948-03-16 | 1952-06-24 | Ite Circuit Breaker Ltd | Blow open, blow closed circuit breaker system |
| US2601484A (en) * | 1949-11-16 | 1952-06-24 | Ite Circuit Breaker Ltd | Blow open, blow closed circuit breaker |
| US2755355A (en) * | 1951-05-11 | 1956-07-17 | Gen Electric | High speed circuit breakers |
| US3068379A (en) * | 1957-04-11 | 1962-12-11 | Fed Pacific Electric Co | Circuit protective apparatus |
-
0
- FR FR548116D patent/FR548116A/fr not_active Expired
- BE BE306494D patent/BE306494A/xx unknown
-
1921
- 1921-10-28 US US511000A patent/US1560440A/en not_active Expired - Lifetime
-
1922
- 1922-10-28 GB GB29515/22A patent/GB187993A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1560440A (en) | 1925-11-03 |
| BE306494A (da) | |
| GB187993A (en) | 1923-07-12 |