GB274815A - Electrical contact relays - Google Patents
Electrical contact relaysInfo
- Publication number
- GB274815A GB274815A GB9641/27A GB964127A GB274815A GB 274815 A GB274815 A GB 274815A GB 9641/27 A GB9641/27 A GB 9641/27A GB 964127 A GB964127 A GB 964127A GB 274815 A GB274815 A GB 274815A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrical contact
- class
- contact relays
- heattreated
- assignees
- 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
- 230000005611 electricity Effects 0.000 abstract 1
- 238000003475 lamination Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000010445 mica Substances 0.000 abstract 1
- 229910052618 mica group Inorganic materials 0.000 abstract 1
- 229910000889 permalloy Inorganic materials 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
- H01H50/30—Mechanical arrangements for preventing or damping vibration or shock, e.g. by balancing of armature
- H01H50/305—Mechanical arrangements for preventing or damping vibration or shock, e.g. by balancing of armature damping vibration due to functional movement of armature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/22—Polarised relays
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
- Linear Motors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US124595A US1757703A (en) | 1926-07-24 | 1926-07-24 | Electrical contact device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB274815A true GB274815A (en) | 1928-07-09 |
Family
ID=22415776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9641/27A Expired GB274815A (en) | 1926-07-24 | 1927-04-07 | Electrical contact relays |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1757703A (enrdf_load_stackoverflow) |
| DE (1) | DE568950C (enrdf_load_stackoverflow) |
| FR (1) | FR632804A (enrdf_load_stackoverflow) |
| GB (1) | GB274815A (enrdf_load_stackoverflow) |
| NL (1) | NL27296C (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2629031A (en) * | 1946-08-17 | 1953-02-17 | Ballman Engineering Company | Electromagnetic switch |
| US2585040A (en) * | 1949-03-23 | 1952-02-12 | Frederick Hart & Co Inc | Electromagnetic recording head |
-
0
- NL NL27296D patent/NL27296C/xx active
- FR FR632804D patent/FR632804A/fr not_active Expired
-
1926
- 1926-07-24 US US124595A patent/US1757703A/en not_active Expired - Lifetime
-
1927
- 1927-04-07 DE DEW75587D patent/DE568950C/de not_active Expired
- 1927-04-07 GB GB9641/27A patent/GB274815A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL27296C (enrdf_load_stackoverflow) | |
| FR632804A (enrdf_load_stackoverflow) | 1928-01-16 |
| US1757703A (en) | 1930-05-06 |
| DE568950C (de) | 1933-01-31 |
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