GB2284307B - Electrical switchgear - Google Patents
Electrical switchgearInfo
- Publication number
- GB2284307B GB2284307B GB9424039A GB9424039A GB2284307B GB 2284307 B GB2284307 B GB 2284307B GB 9424039 A GB9424039 A GB 9424039A GB 9424039 A GB9424039 A GB 9424039A GB 2284307 B GB2284307 B GB 2284307B
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrical switchgear
- switchgear
- electrical
- 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 - Fee Related
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
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB939324582A GB9324582D0 (en) | 1993-11-30 | 1993-11-30 | Electrical switchgear |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9424039D0 GB9424039D0 (en) | 1995-01-18 |
GB2284307A GB2284307A (en) | 1995-05-31 |
GB2284307B true GB2284307B (en) | 1997-10-22 |
Family
ID=10745919
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB939324582A Pending GB9324582D0 (en) | 1993-11-30 | 1993-11-30 | Electrical switchgear |
GB9424039A Expired - Fee Related GB2284307B (en) | 1993-11-30 | 1994-11-29 | Electrical switchgear |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB939324582A Pending GB9324582D0 (en) | 1993-11-30 | 1993-11-30 | Electrical switchgear |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0655759A3 (en) |
AU (1) | AU673631B2 (en) |
GB (2) | GB9324582D0 (en) |
NO (1) | NO944566L (en) |
NZ (1) | NZ270010A (en) |
ZA (1) | ZA949411B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4841875B2 (en) * | 2005-06-29 | 2011-12-21 | 株式会社日立製作所 | Vacuum insulated switchgear |
US7902480B2 (en) | 2007-06-13 | 2011-03-08 | Hitachi, Ltd. | Vacuum insulated switchgear |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2260027A (en) * | 1991-09-30 | 1993-03-31 | Long & Crawford Limited | Electrical switchgear |
US5210385A (en) * | 1989-07-26 | 1993-05-11 | Merlin Gerin | Low voltage circuit breaker with multiple contacts for high currents |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE382647A (en) * | ||||
NL154039B (en) * | 1974-06-07 | 1977-07-15 | Hazemeijer Bv | ELECTRICAL SWITCH EQUIPPED WITH A FIRE CONTACT. |
-
1993
- 1993-11-30 GB GB939324582A patent/GB9324582D0/en active Pending
-
1994
- 1994-11-28 NZ NZ270010A patent/NZ270010A/en unknown
- 1994-11-28 EP EP94308751A patent/EP0655759A3/en not_active Withdrawn
- 1994-11-28 ZA ZA949411A patent/ZA949411B/en unknown
- 1994-11-29 NO NO944566A patent/NO944566L/en unknown
- 1994-11-29 GB GB9424039A patent/GB2284307B/en not_active Expired - Fee Related
- 1994-11-29 AU AU79113/94A patent/AU673631B2/en not_active Ceased
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5210385A (en) * | 1989-07-26 | 1993-05-11 | Merlin Gerin | Low voltage circuit breaker with multiple contacts for high currents |
GB2260027A (en) * | 1991-09-30 | 1993-03-31 | Long & Crawford Limited | Electrical switchgear |
Also Published As
Publication number | Publication date |
---|---|
NO944566L (en) | 1995-05-31 |
GB9424039D0 (en) | 1995-01-18 |
ZA949411B (en) | 1995-08-14 |
GB2284307A (en) | 1995-05-31 |
AU673631B2 (en) | 1996-11-14 |
NZ270010A (en) | 1996-12-20 |
EP0655759A3 (en) | 1997-06-11 |
AU7911394A (en) | 1995-06-08 |
EP0655759A2 (en) | 1995-05-31 |
GB9324582D0 (en) | 1994-01-19 |
NO944566D0 (en) | 1994-11-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
727 | Application made for amendment of specification (sect. 27/1977) | ||
727A | Application for amendment of specification now open to opposition (sect. 27/1977) | ||
727B | Case decided by the comptroller ** specification amended (sect. 27/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |