GB1263170A - Circuit breakers - Google Patents
Circuit breakersInfo
- Publication number
- GB1263170A GB1263170A GB3891569A GB3891569A GB1263170A GB 1263170 A GB1263170 A GB 1263170A GB 3891569 A GB3891569 A GB 3891569A GB 3891569 A GB3891569 A GB 3891569A GB 1263170 A GB1263170 A GB 1263170A
- Authority
- GB
- United Kingdom
- Prior art keywords
- main
- roller
- chambers
- cam
- contacts
- 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
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/42—Driving mechanisms, i.e. for transmitting driving force to the contacts using cam or eccentric
-
- 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
- H01H33/16—Impedances connected with contacts
- H01H33/166—Impedances connected with contacts the impedance being inserted only while closing the switch
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
1,263,170. Arc suppression. MAGRINIFABRICHE RIUNITE, MAGRINI SCARPA E MAGNANO M.S.M. S.p.A. 4 Aug., 1969 [9 Aug., 1968], No. 38915/69. Heading H1N. In an electric circuit-breaker comprising a number of main breaker chambers I 1 -I 4 , Fig. 2, at least one chamber I 1 (as shown) has a parallel connected making resistance R with a switch C closed prior to the simultaneous closing of the main chambers I 1 -I 4 . In a particular example the switch C comprises a movable plunger contact 11 engageable with a fixed contact 9 associated with a pile of resistance blocks 5. On actuation of the main shaft 26 for the chambers I 1 -I 4 (not shown) the contact 11 is initially closed by a cam 19 engaging a roller 23 and lifting it to the hatched position (shown). On further movement of the shaft 26 the main contacts close while the roller 23 is held by face f of the cam 19. After full closure of the main contacts the roller 23 is released to open the contacts 11, 9. During re-opening of the main chambers roller 23 moves in slot 22 against the action of spring 24 to permit the cam 19 to return clockwise to the off position.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT1999868 | 1968-08-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1263170A true GB1263170A (en) | 1972-02-09 |
Family
ID=11162955
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3891569A Expired GB1263170A (en) | 1968-08-09 | 1969-08-04 | Circuit breakers |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE1939555A1 (en) |
FR (1) | FR2015371A1 (en) |
GB (1) | GB1263170A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT378280B (en) * | 1981-04-22 | 1985-07-10 | Sprecher & Schuh Ag | HIGH VOLTAGE SWITCH |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2451011C2 (en) * | 1974-10-26 | 1984-06-07 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | High-voltage circuit breakers with on and off resistors |
DE2439066C2 (en) * | 1974-08-14 | 1982-06-03 | Brown, Boveri & Cie Ag, 6800 Mannheim | Device for limiting currents |
DE2949753A1 (en) * | 1979-12-07 | 1981-06-11 | Siemens AG, 1000 Berlin und 8000 München | HIGH VOLTAGE CIRCUIT BREAKERS |
FR2493034A1 (en) * | 1980-10-27 | 1982-04-30 | Merlin Gerin | HV automatic extinction circuit breaker - uses auxiliary contacts and mechanical linkage ensuring correct operating sequence |
CH661145A5 (en) * | 1982-12-17 | 1987-06-30 | Sprecher Energie Ag | HIGH VOLTAGE SWITCH WITH SWITCH-ON RESISTANCE. |
JPS62229631A (en) * | 1986-03-28 | 1987-10-08 | 三菱電機株式会社 | Circuit breaker |
JPH06101276B2 (en) * | 1989-08-24 | 1994-12-12 | 三菱電機株式会社 | Disconnector |
-
1969
- 1969-08-04 DE DE19691939555 patent/DE1939555A1/en active Pending
- 1969-08-04 GB GB3891569A patent/GB1263170A/en not_active Expired
- 1969-08-08 FR FR6927318A patent/FR2015371A1/fr not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT378280B (en) * | 1981-04-22 | 1985-07-10 | Sprecher & Schuh Ag | HIGH VOLTAGE SWITCH |
Also Published As
Publication number | Publication date |
---|---|
DE1939555A1 (en) | 1970-02-12 |
FR2015371A1 (en) | 1970-04-24 |
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