FR876971A - Improvements to self-blowing electric switches - Google Patents
Improvements to self-blowing electric switchesInfo
- Publication number
- FR876971A FR876971A FR876971DA FR876971A FR 876971 A FR876971 A FR 876971A FR 876971D A FR876971D A FR 876971DA FR 876971 A FR876971 A FR 876971A
- Authority
- FR
- France
- Prior art keywords
- self
- electric switches
- blowing electric
- blowing
- switches
- 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
- 238000007664 blowing Methods 0.000 title 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
- H01H33/70—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
- H01H33/901—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 making use of the energy of the arc or an auxiliary arc
- H01H33/903—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 making use of the energy of the arc or an auxiliary arc and assisting the operating mechanism
-
- 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
- H01H33/121—Load break switches
- H01H33/125—Load break switches comprising a separate circuit breaker
-
- 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
- H01H2033/906—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 with pressure limitation in the compression volume, e.g. by valves or bleeder openings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/60—Mechanical arrangements for preventing or damping vibration or shock
- H01H3/605—Mechanical arrangements for preventing or damping vibration or shock making use of a fluid damper
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR876972T | 1941-06-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR876971A true FR876971A (en) | 1942-11-24 |
Family
ID=9360800
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR876971D Expired FR876971A (en) | 1941-06-18 | 1941-06-18 | Improvements to self-blowing electric switches |
FR876972D Expired FR876972A (en) | 1941-06-18 | 1941-06-18 | Improvement in self-blowing switches fitted with an electrode constituting a disconnector |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR876972D Expired FR876972A (en) | 1941-06-18 | 1941-06-18 | Improvement in self-blowing switches fitted with an electrode constituting a disconnector |
Country Status (3)
Country | Link |
---|---|
US (1) | US2430008A (en) |
CH (2) | CH229508A (en) |
FR (2) | FR876971A (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2535556A (en) * | 1946-09-06 | 1950-12-26 | Air Reduction | Electric switch |
FR1034903A (en) * | 1951-03-30 | 1953-08-07 | Forges Ateliers Const Electr | Self-blowing switches |
US2911506A (en) * | 1953-09-23 | 1959-11-03 | Westinghouse Electric Corp | Circuit interrupting device |
USRE25089E (en) * | 1955-07-27 | 1961-11-21 | Merlin Gerin | Latour |
US2964602A (en) * | 1956-04-02 | 1960-12-13 | Joe Davidson | Snap acting mechanism |
US3590188A (en) * | 1966-09-01 | 1971-06-29 | Westinghouse Electric Corp | Fluid-blast circuit interrupter with piston assembly and electromagnetic driving means |
US3794799A (en) * | 1972-03-27 | 1974-02-26 | Westinghouse Electric Corp | Gas insulated switch with adjustable overcenter toggle actuator therefore |
EP3385969B1 (en) | 2017-04-07 | 2021-10-20 | ABB Power Grids Switzerland AG | Gas-insulated circuit breaker and a method for breaking an electrical connection |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB507634A (en) * | ||||
US1959183A (en) * | 1929-10-31 | 1934-05-15 | Gen Electric | Electrical switching apparatus |
DE619806C (en) * | 1934-03-09 | 1935-10-10 | Delle Atel Const Electr | Electric switch with arc extinguishing by compressed air |
US2051659A (en) * | 1934-09-06 | 1936-08-18 | Gen Electric | Electric circuit breaker |
US2032149A (en) * | 1934-09-13 | 1936-02-25 | Westinghouse Electric & Mfg Co | Circuit interrupter |
FR817526A (en) * | 1936-02-12 | 1937-09-04 | Delle Atel Const Electr | Air-blown open-air arc circuit breaker |
FR830526A (en) * | 1936-12-16 | 1938-08-02 | Alsthom Cgee | Improvement of self-generating electric switches for gas blowing arcs of breaking |
BE428713A (en) * | 1937-06-22 | |||
US2279040A (en) * | 1938-09-19 | 1942-04-07 | Gen Electric | Alternating current circuit interrupter |
US2267399A (en) * | 1939-06-01 | 1941-12-23 | Gen Electric | Electric circuit interrupter |
US2310093A (en) * | 1940-07-01 | 1943-02-02 | Gen Electric | Electric circuit breaker |
-
1941
- 1941-06-18 FR FR876971D patent/FR876971A/en not_active Expired
- 1941-06-18 FR FR876972D patent/FR876972A/en not_active Expired
-
1942
- 1942-06-16 CH CH229508D patent/CH229508A/en unknown
- 1942-06-16 CH CH228530D patent/CH228530A/en unknown
- 1942-10-24 US US463172A patent/US2430008A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US2430008A (en) | 1947-11-04 |
CH229508A (en) | 1943-10-31 |
CH228530A (en) | 1943-08-31 |
FR876972A (en) | 1942-11-24 |
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