NO752404L - - Google Patents
Info
- Publication number
- NO752404L NO752404L NO752404A NO752404A NO752404L NO 752404 L NO752404 L NO 752404L NO 752404 A NO752404 A NO 752404A NO 752404 A NO752404 A NO 752404A NO 752404 L NO752404 L NO 752404L
- Authority
- NO
- Norway
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
- H01H33/30—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator
- H01H33/34—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator hydraulic
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
- H01H5/04—Energy stored by deformation of elastic members
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA203,793A CA1007685A (en) | 1974-07-02 | 1974-07-02 | Circuit breaker with low closing and opening contact pressure |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO752404L true NO752404L (de) | 1976-01-05 |
| NO140575B NO140575B (no) | 1979-06-18 |
| NO140575C NO140575C (no) | 1979-09-26 |
Family
ID=4100550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO752404A NO140575C (no) | 1974-07-02 | 1975-07-01 | Elektrisk bryter med hoeyt kontakttrykk under drift og redusert kontakttrykk ved slutning og brytning |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3974349A (de) |
| JP (1) | JPS5611966B2 (de) |
| BE (1) | BE830409A (de) |
| CA (1) | CA1007685A (de) |
| CH (1) | CH596657A5 (de) |
| DE (1) | DE2526950C3 (de) |
| FR (1) | FR2277423A1 (de) |
| GB (1) | GB1517741A (de) |
| IT (1) | IT1044513B (de) |
| NO (1) | NO140575C (de) |
| SE (1) | SE406386B (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56118497A (en) * | 1980-02-26 | 1981-09-17 | Toshiba Silicone Co Ltd | Method for imparting slip property to surface of article |
| WO2002068752A2 (en) | 2001-02-22 | 2002-09-06 | Crompton Corporation | Water repellent textile finishes and method of making |
| CN111710553A (zh) * | 2020-05-20 | 2020-09-25 | 深圳供电局有限公司 | 隔离开关 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2972337A (en) * | 1959-11-30 | 1961-02-21 | Gen Electric | Hydraulically actuated operating mechanism for an electric circuit breaker |
| NL253981A (de) * | 1960-07-20 | |||
| CH389063A (fr) * | 1962-02-28 | 1965-03-15 | Merlin Gerin | Dispositif à contacts glissants pour interrupteur électrique |
| US3137778A (en) * | 1962-04-16 | 1964-06-16 | Gen Electric | Pivotally mounted disconnect switch contacts |
-
1974
- 1974-07-02 CA CA203,793A patent/CA1007685A/en not_active Expired
-
1975
- 1975-06-13 US US05/586,764 patent/US3974349A/en not_active Expired - Lifetime
- 1975-06-16 DE DE2526950A patent/DE2526950C3/de not_active Expired
- 1975-06-18 GB GB25903/75A patent/GB1517741A/en not_active Expired
- 1975-06-19 BE BE157477A patent/BE830409A/xx not_active IP Right Cessation
- 1975-06-25 FR FR7520561A patent/FR2277423A1/fr active Granted
- 1975-07-01 IT IT68688/75A patent/IT1044513B/it active
- 1975-07-01 SE SE7507557A patent/SE406386B/xx unknown
- 1975-07-01 JP JP8057275A patent/JPS5611966B2/ja not_active Expired
- 1975-07-01 NO NO752404A patent/NO140575C/no unknown
- 1975-07-01 CH CH856175A patent/CH596657A5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SE406386B (sv) | 1979-02-05 |
| SE7507557L (sv) | 1976-01-05 |
| US3974349A (en) | 1976-08-10 |
| FR2277423A1 (fr) | 1976-01-30 |
| DE2526950C3 (de) | 1979-09-06 |
| CH596657A5 (de) | 1978-03-15 |
| CA1007685A (en) | 1977-03-29 |
| IT1044513B (it) | 1980-03-31 |
| GB1517741A (en) | 1978-07-12 |
| DE2526950A1 (de) | 1976-01-22 |
| NO140575C (no) | 1979-09-26 |
| FR2277423B1 (de) | 1980-11-21 |
| BE830409A (fr) | 1975-10-16 |
| JPS5127465A (de) | 1976-03-08 |
| NO140575B (no) | 1979-06-18 |
| JPS5611966B2 (de) | 1981-03-18 |
| DE2526950B2 (de) | 1979-01-11 |