GB479621A - Improvements in and relating to electromagnetic control devices for circuit interrupters and switches - Google Patents
Improvements in and relating to electromagnetic control devices for circuit interrupters and switchesInfo
- Publication number
- GB479621A GB479621A GB28276/36A GB2827636A GB479621A GB 479621 A GB479621 A GB 479621A GB 28276/36 A GB28276/36 A GB 28276/36A GB 2827636 A GB2827636 A GB 2827636A GB 479621 A GB479621 A GB 479621A
- Authority
- GB
- United Kingdom
- Prior art keywords
- coil
- gap
- contact
- core
- relating
- 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
- 230000004907 flux Effects 0.000 abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 238000003475 lamination Methods 0.000 abstract 1
- 229920006395 saturated elastomer Polymers 0.000 abstract 1
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
- H01H33/7007—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid wherein the flow is a function of the current being interrupted
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
- Electromagnets (AREA)
- Breakers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US45417A US2085549A (en) | 1935-10-17 | 1935-10-17 | Electric control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB479621A true GB479621A (en) | 1938-02-09 |
Family
ID=21937763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB28276/36A Expired GB479621A (en) | 1935-10-17 | 1936-10-17 | Improvements in and relating to electromagnetic control devices for circuit interrupters and switches |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2085549A (enrdf_load_stackoverflow) |
| BE (1) | BE417961A (enrdf_load_stackoverflow) |
| DE (1) | DE662071C (enrdf_load_stackoverflow) |
| FR (1) | FR811881A (enrdf_load_stackoverflow) |
| GB (1) | GB479621A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB765127A (en) * | 1954-10-01 | 1957-01-02 | English Electric Co Ltd | Improvements in and relating to electromagnetic relays |
| US3022400A (en) * | 1957-06-27 | 1962-02-20 | Ahlefeldt Rolf S Von | Two-way solenoid |
-
0
- BE BE417961D patent/BE417961A/xx unknown
-
1935
- 1935-10-17 US US45417A patent/US2085549A/en not_active Expired - Lifetime
-
1936
- 1936-10-16 FR FR811881D patent/FR811881A/fr not_active Expired
- 1936-10-16 DE DEA80759D patent/DE662071C/de not_active Expired
- 1936-10-17 GB GB28276/36A patent/GB479621A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE417961A (enrdf_load_stackoverflow) | |
| DE662071C (de) | 1938-07-04 |
| US2085549A (en) | 1937-06-29 |
| FR811881A (fr) | 1937-04-24 |
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