FR987921A - Check valve for fluid pressure devices more particularly applicable to compressed gas circuit breakers - Google Patents
Check valve for fluid pressure devices more particularly applicable to compressed gas circuit breakersInfo
- Publication number
- FR987921A FR987921A FR987921DA FR987921A FR 987921 A FR987921 A FR 987921A FR 987921D A FR987921D A FR 987921DA FR 987921 A FR987921 A FR 987921A
- Authority
- FR
- France
- Prior art keywords
- check valve
- fluid pressure
- compressed gas
- gas circuit
- circuit breakers
- 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
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/12—Process control or regulation
- C25D21/14—Controlled addition of electrolyte components
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Automation & Control Theory (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR987921T | 1943-04-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR987921A true FR987921A (en) | 1951-08-21 |
Family
ID=9539194
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR987921D Expired FR987921A (en) | 1943-04-03 | 1943-04-03 | Check valve for fluid pressure devices more particularly applicable to compressed gas circuit breakers |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR987921A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3661167A (en) * | 1970-05-25 | 1972-05-09 | A & D Fabricating Co | Chemical feed pump with improved valve means |
DE2941244A1 (en) * | 1979-10-11 | 1981-04-30 | Lechler Gmbh & Co Kg, 7012 Fellbach | CHECK VALVE |
-
1943
- 1943-04-03 FR FR987921D patent/FR987921A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3661167A (en) * | 1970-05-25 | 1972-05-09 | A & D Fabricating Co | Chemical feed pump with improved valve means |
DE2941244A1 (en) * | 1979-10-11 | 1981-04-30 | Lechler Gmbh & Co Kg, 7012 Fellbach | CHECK VALVE |
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