IN149149B - - Google Patents
Info
- Publication number
- IN149149B IN149149B IN670/CAL/78A IN670CA1978A IN149149B IN 149149 B IN149149 B IN 149149B IN 670CA1978 A IN670CA1978 A IN 670CA1978A IN 149149 B IN149149 B IN 149149B
- Authority
- IN
- India
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
- H01H33/80—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve
-
- 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
- H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
- H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
- H01H33/91—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the arc-extinguishing fluid being air or gas
- H01H2033/912—Liquified gases, e.g. liquified SF6
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US81800477A | 1977-07-22 | 1977-07-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN149149B true IN149149B (en) | 1981-09-26 |
Family
ID=25224389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN670/CAL/78A IN149149B (en) | 1977-07-22 | 1978-06-16 |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS5423973A (en) |
| AU (1) | AU3718078A (en) |
| CA (1) | CA1098942A (en) |
| DE (1) | DE2831754A1 (en) |
| ES (1) | ES471852A1 (en) |
| FR (1) | FR2398379A1 (en) |
| GB (1) | GB1604060A (en) |
| IN (1) | IN149149B (en) |
| IT (1) | IT1097028B (en) |
| NL (1) | NL7806523A (en) |
| NO (1) | NO782490L (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2966751D1 (en) * | 1979-06-25 | 1984-04-12 | Westinghouse Electric Corp | Power circuit interrupter |
| DE3107525C2 (en) | 1980-02-28 | 1994-09-22 | Mitsubishi Electric Corp | Pressurized gas circuit breaker |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE629739C (en) * | 1933-02-25 | 1936-05-22 | Siemens Schuckertwerke Akt Ges | Device for extinguishing AC interruption arcs |
| FR778794A (en) * | 1933-08-29 | 1935-03-23 | Siemens Ag | Device for extinguishing alternating current breaking arcs, in particular in switches and circuit breakers |
| FR1537673A (en) * | 1966-04-15 | 1968-09-07 | Improvements made to circuit breakers | |
| JPS5612972B2 (en) * | 1973-01-25 | 1981-03-25 |
-
1978
- 1978-05-31 GB GB25894/78A patent/GB1604060A/en not_active Expired
- 1978-06-16 AU AU37180/78A patent/AU3718078A/en active Pending
- 1978-06-16 IN IN670/CAL/78A patent/IN149149B/en unknown
- 1978-06-16 NL NL7806523A patent/NL7806523A/en not_active Application Discontinuation
- 1978-06-28 CA CA306,424A patent/CA1098942A/en not_active Expired
- 1978-07-19 DE DE19782831754 patent/DE2831754A1/en not_active Withdrawn
- 1978-07-19 NO NO782490A patent/NO782490L/en unknown
- 1978-07-19 ES ES471852A patent/ES471852A1/en not_active Expired
- 1978-07-21 JP JP8850178A patent/JPS5423973A/en active Pending
- 1978-07-21 IT IT25954/78A patent/IT1097028B/en active
- 1978-07-21 FR FR7821783A patent/FR2398379A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| NO782490L (en) | 1979-01-23 |
| CA1098942A (en) | 1981-04-07 |
| IT7825954A0 (en) | 1978-07-21 |
| NL7806523A (en) | 1979-01-24 |
| JPS5423973A (en) | 1979-02-22 |
| AU3718078A (en) | 1979-12-20 |
| GB1604060A (en) | 1981-12-02 |
| DE2831754A1 (en) | 1979-02-01 |
| FR2398379A1 (en) | 1979-02-16 |
| ES471852A1 (en) | 1979-10-01 |
| IT1097028B (en) | 1985-08-26 |