GB667724A - Improvements in or relating to air supply and control systems of air-blast circuit-breakers - Google Patents
Improvements in or relating to air supply and control systems of air-blast circuit-breakersInfo
- Publication number
- GB667724A GB667724A GB7404/50A GB740450A GB667724A GB 667724 A GB667724 A GB 667724A GB 7404/50 A GB7404/50 A GB 7404/50A GB 740450 A GB740450 A GB 740450A GB 667724 A GB667724 A GB 667724A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- blast
- piston
- receiver
- air
- 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
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
- H01H33/30—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator
- H01H33/32—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator pneumatic
Landscapes
- Percussive Tools And Related Accessories (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR877336X | 1949-04-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB667724A true GB667724A (en) | 1952-03-05 |
Family
ID=9360977
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7404/50A Expired GB667724A (en) | 1949-04-06 | 1950-03-24 | Improvements in or relating to air supply and control systems of air-blast circuit-breakers |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE494505A (en, 2012) |
DE (1) | DE877336C (en, 2012) |
FR (1) | FR987580A (en, 2012) |
GB (1) | GB667724A (en, 2012) |
NL (2) | NL71987C (en, 2012) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1164535B (de) * | 1958-10-21 | 1964-03-05 | Bbc Brown Boveri & Cie | Hydraulische Steuerungseinrichtung mit grosser Ansprechgeschwindigkeit fuer elektrische Leistungsschalter |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE707302C (de) * | 1938-06-28 | 1941-06-18 | Bbc Brown Boveri & Cie | Druckluftschalter mit elektropneumatischer Steuerung |
DE744834C (de) * | 1941-04-17 | 1944-01-26 | Aeg | Druckmittelantrieb fuer elektrische Hochspannungsschalter |
-
0
- BE BE494505D patent/BE494505A/xx unknown
- NL NL676707459A patent/NL151927B/xx unknown
- NL NL71987D patent/NL71987C/xx active
-
1949
- 1949-04-06 FR FR987580D patent/FR987580A/fr not_active Expired
-
1950
- 1950-03-24 GB GB7404/50A patent/GB667724A/en not_active Expired
- 1950-04-25 DE DEM2991A patent/DE877336C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR987580A (fr) | 1951-08-16 |
NL71987C (en, 2012) | |
NL151927B (nl) | |
DE877336C (de) | 1953-05-21 |
BE494505A (en, 2012) |
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