GB1203470A - Remanent relays - Google Patents
Remanent relaysInfo
- Publication number
- GB1203470A GB1203470A GB42570/67A GB4257067A GB1203470A GB 1203470 A GB1203470 A GB 1203470A GB 42570/67 A GB42570/67 A GB 42570/67A GB 4257067 A GB4257067 A GB 4257067A GB 1203470 A GB1203470 A GB 1203470A
- Authority
- GB
- United Kingdom
- Prior art keywords
- remanent
- armature
- flux
- relay
- relays
- 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
- H01H51/01—Relays in which the armature is maintained in one position by a permanent magnet and freed by energisation of a coil producing an opposing magnetic field
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/36—Stationary parts of magnetic circuit, e.g. yoke
Abstract
1,203,470. Elactromagnetic relays. WESTERN ELECTRIC CO. Inc. 19 Sept., 1967 [19 Sept., 1966], No. 42570/67. Heading H1N. A remanent relay has means in its magnetic circuit to limit the magnitude of the remanent flux to a level lower than the saturation value of the region of engagement between the movable end of the armature 22 and core 20. This provision gives the relay a lower remanent flux value and shorter release time than a conventional remanent relay wherein the limiting remanent flux level is determined by saturation of the region of engagement between the armature and core. The level of remanent flux is limited by a reduced cross-section saturating portion of the armature 22. As described a hole is provided in the armature to reduce its cross-section. The pressed-out dome 26 of the armature is of larger radius e.g. 2 to 5 inches, than prior art relays to ensure adequate flux conduction and holding. The contact arrangement is as described in Specification 731,486.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US580286A US3401367A (en) | 1966-09-19 | 1966-09-19 | Magnetically latching type relay containing a flux limiting construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1203470A true GB1203470A (en) | 1970-08-26 |
Family
ID=24320478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB42570/67A Expired GB1203470A (en) | 1966-09-19 | 1967-09-19 | Remanent relays |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3401367A (en) |
| JP (1) | JPS4528140B1 (en) |
| GB (1) | GB1203470A (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1541618A (en) * | 1921-07-05 | 1925-06-09 | Gen Electric | Relay |
| US2375017A (en) * | 1941-05-29 | 1945-05-01 | Bell Telephone Labor Inc | Electromagnetic device |
| US3102931A (en) * | 1961-02-03 | 1963-09-03 | North Electric Co | Magnetic latching crossbar switch |
-
1966
- 1966-09-19 US US580286A patent/US3401367A/en not_active Expired - Lifetime
-
1967
- 1967-09-12 JP JP5817867A patent/JPS4528140B1/ja active Pending
- 1967-09-19 GB GB42570/67A patent/GB1203470A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3401367A (en) | 1968-09-10 |
| JPS4528140B1 (en) | 1970-09-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] |