NL277398A - - Google Patents
Info
- Publication number
- NL277398A NL277398A NL277398DA NL277398A NL 277398 A NL277398 A NL 277398A NL 277398D A NL277398D A NL 277398DA NL 277398 A NL277398 A NL 277398A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
-
- 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
- H01H33/55—Oil reservoirs or tanks; Lowering means therefor
- H01H33/555—Protective arrangements responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
- H01F2027/404—Protective devices specially adapted for fluid filled transformers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/40—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by devices allowing continual flow of fluid, e.g. vane
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
- H01H36/02—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by movement of a float carrying a magnet
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES0075085 | 1961-07-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL277398A true NL277398A (en) |
Family
ID=7505122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL277398D NL277398A (en) | 1961-07-29 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS393012Y1 (en) |
| BE (1) | BE620119A (en) |
| CH (1) | CH399585A (en) |
| GB (1) | GB1000727A (en) |
| NL (1) | NL277398A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2688081B1 (en) * | 2012-07-20 | 2015-11-04 | ABB Technology AG | Safety device for a power transformer, and related power transformer using such a safety device |
-
0
- BE BE620119D patent/BE620119A/xx unknown
- NL NL277398D patent/NL277398A/xx unknown
-
1962
- 1962-03-28 CH CH370662A patent/CH399585A/en unknown
- 1962-07-27 GB GB2905562A patent/GB1000727A/en not_active Expired
- 1962-07-30 JP JP4260462U patent/JPS393012Y1/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1000727A (en) | 1965-08-11 |
| CH399585A (en) | 1965-09-30 |
| JPS393012Y1 (en) | 1964-02-07 |
| BE620119A (en) |