GB1500557A - Puffer-type compressed-gas circuit interrupter having backflow orifice means - Google Patents
Puffer-type compressed-gas circuit interrupter having backflow orifice meansInfo
- Publication number
- GB1500557A GB1500557A GB47142/75A GB4714275A GB1500557A GB 1500557 A GB1500557 A GB 1500557A GB 47142/75 A GB47142/75 A GB 47142/75A GB 4714275 A GB4714275 A GB 4714275A GB 1500557 A GB1500557 A GB 1500557A
- Authority
- GB
- United Kingdom
- Prior art keywords
- puffer
- cylindrical section
- gas
- gas circuit
- circuit interrupter
- 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
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
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/7015—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts
- H01H33/7023—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by an insulating tubular gas flow enhancing nozzle
Landscapes
- Circuit Breakers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7440368A FR2292326A1 (fr) | 1974-11-20 | 1974-11-20 | Interrupteur a autosoufflage a buse perfectionnee |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1500557A true GB1500557A (en) | 1978-02-08 |
Family
ID=9145807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB47142/75A Expired GB1500557A (en) | 1974-11-20 | 1975-11-14 | Puffer-type compressed-gas circuit interrupter having backflow orifice means |
Country Status (13)
Country | Link |
---|---|
JP (1) | JPS5199268A (it) |
AU (1) | AU8667075A (it) |
BE (1) | BE835741A (it) |
CH (1) | CH592956A5 (it) |
DE (1) | DE2550714A1 (it) |
DK (1) | DK520775A (it) |
ES (1) | ES442785A1 (it) |
FR (1) | FR2292326A1 (it) |
GB (1) | GB1500557A (it) |
IT (1) | IT1050903B (it) |
NL (1) | NL7513363A (it) |
NO (1) | NO753883L (it) |
SE (1) | SE7513020L (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH591756A5 (it) * | 1975-06-18 | 1977-09-30 | Bbc Brown Boveri & Cie | |
EP1876625A1 (de) * | 2006-07-07 | 2008-01-09 | ABB Research Ltd | Hochspannungsleistungsschalter |
-
1974
- 1974-11-20 FR FR7440368A patent/FR2292326A1/fr active Granted
-
1975
- 1975-11-11 CH CH1455675A patent/CH592956A5/xx not_active IP Right Cessation
- 1975-11-12 DE DE19752550714 patent/DE2550714A1/de not_active Withdrawn
- 1975-11-14 NL NL7513363A patent/NL7513363A/xx not_active Application Discontinuation
- 1975-11-14 GB GB47142/75A patent/GB1500557A/en not_active Expired
- 1975-11-17 IT IT69835/75A patent/IT1050903B/it active
- 1975-11-17 AU AU86670/75A patent/AU8667075A/en not_active Expired
- 1975-11-19 DK DK520775A patent/DK520775A/da not_active Application Discontinuation
- 1975-11-19 BE BE162016A patent/BE835741A/xx unknown
- 1975-11-19 NO NO753883A patent/NO753883L/no unknown
- 1975-11-19 ES ES442785A patent/ES442785A1/es not_active Expired
- 1975-11-19 SE SE7513020A patent/SE7513020L/xx unknown
- 1975-11-20 JP JP50138769A patent/JPS5199268A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
ES442785A1 (es) | 1977-04-01 |
NL7513363A (nl) | 1976-05-24 |
FR2292326A1 (fr) | 1976-06-18 |
SE7513020L (sv) | 1976-05-21 |
DK520775A (da) | 1976-05-21 |
JPS5199268A (it) | 1976-09-01 |
DE2550714A1 (de) | 1976-05-26 |
IT1050903B (it) | 1981-03-20 |
NO753883L (it) | 1976-05-21 |
CH592956A5 (it) | 1977-11-15 |
BE835741A (fr) | 1976-03-16 |
AU8667075A (en) | 1977-05-26 |
FR2292326B1 (it) | 1978-07-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |