NO135048B - - Google Patents
Download PDFInfo
- Publication number
- NO135048B NO135048B NO993/73A NO99373A NO135048B NO 135048 B NO135048 B NO 135048B NO 993/73 A NO993/73 A NO 993/73A NO 99373 A NO99373 A NO 99373A NO 135048 B NO135048 B NO 135048B
- Authority
- NO
- Norway
- Prior art keywords
- switch
- fixed
- housing
- fixed contacts
- contact bridges
- Prior art date
Links
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000000717 retained effect Effects 0.000 claims 1
- 230000007246 mechanism Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/68—Liquid-break switches, e.g. oil-break
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Breakers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1248372A GB1418639A (en) | 1972-03-16 | 1972-03-16 | Electrical swtichgear |
Publications (2)
Publication Number | Publication Date |
---|---|
NO135048B true NO135048B (enrdf_load_stackoverflow) | 1976-10-18 |
NO135048C NO135048C (enrdf_load_stackoverflow) | 1977-01-26 |
Family
ID=10005440
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO993/73A NO135048C (enrdf_load_stackoverflow) | 1972-03-16 | 1973-03-13 |
Country Status (16)
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL120901C (enrdf_load_stackoverflow) * | 1963-05-17 | |||
DE1254755B (de) * | 1964-11-14 | 1967-11-23 | Reinhausen Maschf Scheubeck | Dauerhauptkontakt fuer Lastumschalter von Stufentransformatoren |
US3469043A (en) * | 1967-07-19 | 1969-09-23 | Ite Imperial Corp | Dual mode circuit breaker withdrawal mechanism |
-
1972
- 1972-03-16 GB GB1248372A patent/GB1418639A/en not_active Expired
-
1973
- 1973-03-02 ZA ZA731485A patent/ZA731485B/xx unknown
- 1973-03-12 US US00340303A patent/US3833780A/en not_active Expired - Lifetime
- 1973-03-13 NO NO993/73A patent/NO135048C/no unknown
- 1973-03-13 JP JP48029335A patent/JPS492060A/ja active Pending
- 1973-03-14 DE DE2312759A patent/DE2312759C3/de not_active Expired
- 1973-03-15 NL NL7303620.A patent/NL167269C/xx not_active IP Right Cessation
- 1973-03-15 DK DK141773A patent/DK143824C/da not_active IP Right Cessation
- 1973-03-15 IT IT67753/73A patent/IT980613B/it active
- 1973-03-15 FR FR7309248A patent/FR2176083B1/fr not_active Expired
- 1973-03-15 CA CA166,156A patent/CA978248A/en not_active Expired
- 1973-03-15 CH CH377073A patent/CH582417A5/xx not_active IP Right Cessation
- 1973-03-16 BE BE128881A patent/BE796880A/xx not_active IP Right Cessation
- 1973-03-16 AU AU53407/73A patent/AU470662B2/en not_active Expired
- 1973-03-16 SE SE7303696A patent/SE377221B/xx unknown
-
1977
- 1977-12-30 MY MY296/77A patent/MY7700296A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE2312759C3 (de) | 1978-11-30 |
BE796880A (fr) | 1973-07-16 |
ZA731485B (en) | 1973-12-19 |
US3833780A (en) | 1974-09-03 |
SE377221B (enrdf_load_stackoverflow) | 1975-06-23 |
DE2312759B2 (de) | 1978-04-06 |
DK143824B (da) | 1981-10-12 |
CH582417A5 (enrdf_load_stackoverflow) | 1976-11-30 |
NL167269B (nl) | 1981-06-16 |
GB1418639A (en) | 1975-12-24 |
DK143824C (da) | 1982-03-29 |
MY7700296A (en) | 1977-12-31 |
CA978248A (en) | 1975-11-18 |
AU5340773A (en) | 1974-09-19 |
NL167269C (nl) | 1981-11-16 |
IT980613B (it) | 1974-10-10 |
JPS492060A (enrdf_load_stackoverflow) | 1974-01-09 |
FR2176083A1 (enrdf_load_stackoverflow) | 1973-10-26 |
AU470662B2 (en) | 1976-03-25 |
NL7303620A (enrdf_load_stackoverflow) | 1973-09-18 |
DE2312759A1 (de) | 1973-09-27 |
NO135048C (enrdf_load_stackoverflow) | 1977-01-26 |
FR2176083B1 (enrdf_load_stackoverflow) | 1977-09-02 |
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