FR2244248B1 - - Google Patents
Info
- Publication number
- FR2244248B1 FR2244248B1 FR7333278A FR7333278A FR2244248B1 FR 2244248 B1 FR2244248 B1 FR 2244248B1 FR 7333278 A FR7333278 A FR 7333278A FR 7333278 A FR7333278 A FR 7333278A FR 2244248 B1 FR2244248 B1 FR 2244248B1
- Authority
- FR
- France
- 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
- 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
- H01H33/905—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 compression volume being formed by a movable cylinder and a semi-mobile piston
-
- 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
- H01H33/904—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 characterised by the transmission between operating mechanism and piston or movable contact
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/62—Lubricating means structurally associated with the switch
-
- 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
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
- H01H33/56—Gas reservoirs
- H01H33/565—Gas-tight sealings for moving parts penetrating into the reservoir
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7333278A FR2244248A1 (en) | 1973-09-17 | 1973-09-17 | Circuit breaker spark extinction device - uses two compression chambers arranged in line to give self compression |
CH1029374A CH582420A5 (enrdf_load_stackoverflow) | 1973-09-17 | 1974-07-26 | |
IT2733774A IT1027567B (it) | 1973-09-17 | 1974-09-17 | Apparecchio elettrico di interruzione a soffiatura mediante autocompressione |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7333278A FR2244248A1 (en) | 1973-09-17 | 1973-09-17 | Circuit breaker spark extinction device - uses two compression chambers arranged in line to give self compression |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2244248A1 FR2244248A1 (en) | 1975-04-11 |
FR2244248B1 true FR2244248B1 (enrdf_load_stackoverflow) | 1976-05-14 |
Family
ID=9125128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7333278A Granted FR2244248A1 (en) | 1973-09-17 | 1973-09-17 | Circuit breaker spark extinction device - uses two compression chambers arranged in line to give self compression |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH582420A5 (enrdf_load_stackoverflow) |
FR (1) | FR2244248A1 (enrdf_load_stackoverflow) |
IT (1) | IT1027567B (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH622378A5 (enrdf_load_stackoverflow) * | 1977-12-12 | 1981-03-31 | Sprecher & Schuh Ag |
-
1973
- 1973-09-17 FR FR7333278A patent/FR2244248A1/fr active Granted
-
1974
- 1974-07-26 CH CH1029374A patent/CH582420A5/xx not_active IP Right Cessation
- 1974-09-17 IT IT2733774A patent/IT1027567B/it active
Also Published As
Publication number | Publication date |
---|---|
CH582420A5 (enrdf_load_stackoverflow) | 1976-11-30 |
IT1027567B (it) | 1978-12-20 |
FR2244248A1 (en) | 1975-04-11 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |