ZA827843B - Gas density indicator - Google Patents
Gas density indicatorInfo
- Publication number
- ZA827843B ZA827843B ZA827843A ZA827843A ZA827843B ZA 827843 B ZA827843 B ZA 827843B ZA 827843 A ZA827843 A ZA 827843A ZA 827843 A ZA827843 A ZA 827843A ZA 827843 B ZA827843 B ZA 827843B
- Authority
- ZA
- South Africa
- Prior art keywords
- floor
- vessel
- casing
- density
- features
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/10—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials
-
- 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
- H01H33/563—Gas reservoirs comprising means for monitoring the density of the insulating gas
Landscapes
- Immunology (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Gas-Insulated Switchgears (AREA)
- Measuring Fluid Pressure (AREA)
- Sampling And Sample Adjustment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19813142746 DE3142746A1 (de) | 1981-10-28 | 1981-10-28 | Gasdichte-anzeiger |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA827843B true ZA827843B (en) | 1983-08-31 |
Family
ID=6145036
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA827843A ZA827843B (en) | 1981-10-28 | 1982-10-27 | Gas density indicator |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0077981B1 (fr) |
JP (1) | JPS5883230A (fr) |
AT (1) | ATE14488T1 (fr) |
AU (1) | AU551860B2 (fr) |
BR (1) | BR8206266A (fr) |
CA (1) | CA1185455A (fr) |
DE (2) | DE3142746A1 (fr) |
ZA (1) | ZA827843B (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL9002541A (nl) * | 1990-11-22 | 1992-06-16 | Philips Nv | Drukverschilindikator. |
FR2732460B1 (fr) * | 1995-03-31 | 1997-05-09 | Schneider Electric Sa | Dispositif indicateur bistable pour signaler une chute de pression d'un gaz dans une enceinte |
FR2804210B1 (fr) * | 2000-01-21 | 2003-08-01 | Alstom | Procede et dispositif pour controler la densite d'un gaz a l'interieur d'une enceinte a l'aide d'un double capteur de densite |
DE102020204624A1 (de) | 2020-04-09 | 2021-10-14 | Siemens Aktiengesellschaft | Ermitteln einer Fluiddichte in einer elektrischen Vorrichtung |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2000308A (en) * | 1930-06-25 | 1935-05-07 | Meaf Mach En Apparaten Fab Nv | Volume metering apparatus |
CH413958A (de) * | 1964-10-23 | 1966-05-31 | Bbc Brown Boveri & Cie | Gaskreislaufsystem für Druckgas-Leistungsschalter |
NL7004555A (fr) * | 1970-03-31 | 1971-10-04 | ||
DE2711797C2 (de) * | 1977-03-18 | 1985-03-21 | Calor-Emag Elektrizitäts-Aktiengesellschaft, 4030 Ratingen | Gerät zur Ermittlung der Gasdichte |
JPS5578231A (en) * | 1978-12-08 | 1980-06-12 | Toshiba Corp | Gas density measuring unit |
DE2926260A1 (de) * | 1979-06-29 | 1981-01-08 | Bbc Brown Boveri & Cie | Vorrichtung zur ueberwachung der dichte eines in einer kapselung eingeschlossenen gases |
-
1981
- 1981-10-28 DE DE19813142746 patent/DE3142746A1/de not_active Withdrawn
-
1982
- 1982-10-14 EP EP82109523A patent/EP0077981B1/fr not_active Expired
- 1982-10-14 DE DE8282109523T patent/DE3264932D1/de not_active Expired
- 1982-10-14 AT AT82109523T patent/ATE14488T1/de active
- 1982-10-26 JP JP57188105A patent/JPS5883230A/ja active Pending
- 1982-10-27 AU AU89837/82A patent/AU551860B2/en not_active Expired - Fee Related
- 1982-10-27 BR BR8206266A patent/BR8206266A/pt unknown
- 1982-10-27 CA CA000414253A patent/CA1185455A/fr not_active Expired
- 1982-10-27 ZA ZA827843A patent/ZA827843B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
ATE14488T1 (de) | 1985-08-15 |
AU8983782A (en) | 1984-05-03 |
EP0077981B1 (fr) | 1985-07-24 |
BR8206266A (pt) | 1983-09-20 |
EP0077981A2 (fr) | 1983-05-04 |
DE3264932D1 (en) | 1985-08-29 |
CA1185455A (fr) | 1985-04-16 |
DE3142746A1 (de) | 1983-05-05 |
AU551860B2 (en) | 1986-05-15 |
EP0077981A3 (en) | 1983-07-27 |
JPS5883230A (ja) | 1983-05-19 |
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