NL135712C - - Google Patents
Info
- Publication number
- NL135712C NL135712C NL135712DA NL135712C NL 135712 C NL135712 C NL 135712C NL 135712D A NL135712D A NL 135712DA NL 135712 C NL135712 C NL 135712C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/60—Mechanical arrangements for preventing or damping vibration or shock
- H01H3/605—Mechanical arrangements for preventing or damping vibration or shock making use of a fluid damper
-
- 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
- H01H33/32—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator pneumatic
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6903953A NL6903953A (de) | 1969-03-14 | 1969-03-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL135712C true NL135712C (de) |
Family
ID=19806416
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL135712D NL135712C (de) | 1969-03-14 | ||
| NL6903953A NL6903953A (de) | 1969-03-14 | 1969-03-14 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6903953A NL6903953A (de) | 1969-03-14 | 1969-03-14 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3655935A (de) |
| AT (1) | AT299367B (de) |
| BE (1) | BE747300A (de) |
| DE (1) | DE1942098B2 (de) |
| FR (1) | FR2038922A5 (de) |
| GB (1) | GB1260991A (de) |
| NL (2) | NL6903953A (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4093837A (en) * | 1975-07-31 | 1978-06-06 | Westinghouse Electric Corp. | Oil circuit-breaker pump-assembly with improved shunting contact structure |
| DE3445359A1 (de) * | 1984-12-12 | 1986-06-12 | Brown, Boveri & Cie Ag, 6800 Mannheim | Mit einer pneumatischen daempfungsvorrichtung ausgestatteter mechanischer kraftspeicherantrieb fuer einen leistungsschalter einer mittelspannungs- oder hochspannungsschaltanlage |
| ZA911157B (en) * | 1990-02-23 | 1992-02-26 | Acec Transport Sa | Hyper-rapid circuit breaker |
| WO2009012788A1 (en) * | 2007-07-20 | 2009-01-29 | Abb Technology Ag | Breaker with a gas drive for low-voltage, medium-voltage and high-voltage switching devices |
| CN102903546B (zh) * | 2012-10-22 | 2014-12-31 | 中国航天科技集团公司第四研究院第四十一研究所 | 一种燃气式直接力作用高压开关作动操作机构 |
| EP3385969B1 (de) * | 2017-04-07 | 2021-10-20 | ABB Power Grids Switzerland AG | Gasisolierter leistungsschalter und verfahren zum trennen einer elektrischen verbindung |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2665351A (en) * | 1951-02-09 | 1954-01-05 | Asea Ab | Arrangement in air blast circuit breaker provided with damping resistance |
| US2753424A (en) * | 1953-03-10 | 1956-07-03 | Allis Chalmers Mfg Co | Interrupting device employing a controller for regulating contact closing speeds |
| US2775670A (en) * | 1953-09-04 | 1956-12-25 | Ite Circuit Breaker Ltd | Combined air puffer air buffer for circuit breakers |
| US2842680A (en) * | 1956-03-12 | 1958-07-08 | Gen Motors Corp | Electric switch |
| DE1171051B (de) * | 1962-05-07 | 1964-05-27 | Siemens Ag | Synchronschalter mit Pressgasloeschung |
| US3267231A (en) * | 1964-12-31 | 1966-08-16 | Oilgear Co | Pressure switch and relief valve combination |
-
0
- NL NL135712D patent/NL135712C/xx active
-
1969
- 1969-03-14 NL NL6903953A patent/NL6903953A/xx unknown
- 1969-08-19 DE DE19691942098 patent/DE1942098B2/de active Pending
- 1969-08-20 AT AT798669A patent/AT299367B/de not_active IP Right Cessation
-
1970
- 1970-03-10 US US18084A patent/US3655935A/en not_active Expired - Lifetime
- 1970-03-12 GB GB01916/70A patent/GB1260991A/en not_active Expired
- 1970-03-13 FR FR7009130A patent/FR2038922A5/fr not_active Expired
- 1970-03-13 BE BE747300D patent/BE747300A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1260991A (en) | 1972-01-19 |
| DE1942098A1 (de) | 1970-09-17 |
| NL6903953A (de) | 1970-09-16 |
| BE747300A (fr) | 1970-08-17 |
| DE1942098B2 (de) | 1971-12-30 |
| US3655935A (en) | 1972-04-11 |
| AT299367B (de) | 1972-06-12 |
| FR2038922A5 (de) | 1971-01-08 |