GB509873A - Electromagnetic relays - Google Patents
Electromagnetic relaysInfo
- Publication number
- GB509873A GB509873A GB23839/38A GB2383938A GB509873A GB 509873 A GB509873 A GB 509873A GB 23839/38 A GB23839/38 A GB 23839/38A GB 2383938 A GB2383938 A GB 2383938A GB 509873 A GB509873 A GB 509873A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electromagnetic relays
- relays
- electromagnetic
- 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
- H01H51/00—Electromagnetic relays
- H01H51/28—Relays having both armature and contacts within a sealed casing outside which the operating coil is located, e.g. contact carried by a magnetic leaf spring or reed
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE205661X | 1937-08-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB509873A true GB509873A (en) | 1939-07-24 |
Family
ID=5788396
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB23839/38A Expired GB509873A (en) | 1937-08-13 | 1938-08-12 | Electromagnetic relays |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH205661A (enrdf_load_stackoverflow) |
FR (1) | FR841975A (enrdf_load_stackoverflow) |
GB (1) | GB509873A (enrdf_load_stackoverflow) |
NL (1) | NL52571C (enrdf_load_stackoverflow) |
-
0
- NL NL52571D patent/NL52571C/xx active
-
1938
- 1938-08-04 CH CH205661D patent/CH205661A/de unknown
- 1938-08-10 FR FR841975D patent/FR841975A/fr not_active Expired
- 1938-08-12 GB GB23839/38A patent/GB509873A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL52571C (enrdf_load_stackoverflow) | |
FR841975A (fr) | 1939-06-02 |
CH205661A (de) | 1939-06-30 |
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