FR519291A - Improvements to controllers for electric motors - Google Patents
Improvements to controllers for electric motorsInfo
- Publication number
- FR519291A FR519291A FR519291A FR519291DA FR519291A FR 519291 A FR519291 A FR 519291A FR 519291 A FR519291 A FR 519291A FR 519291D A FR519291D A FR 519291DA FR 519291 A FR519291 A FR 519291A
- Authority
- FR
- France
- Prior art keywords
- controllers
- electric motors
- motors
- electric
- 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
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
- H01H19/56—Angularly-movable actuating part carrying contacts, e.g. drum switch
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE147516X | 1919-03-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR519291A true FR519291A (en) | 1921-06-07 |
Family
ID=3863772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR519291A Expired FR519291A (en) | 1919-03-18 | 1920-07-07 | Improvements to controllers for electric motors |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR519291A (en) |
GB (1) | GB147516A (en) |
-
1920
- 1920-07-07 FR FR519291A patent/FR519291A/en not_active Expired
- 1920-07-08 GB GB19480/20A patent/GB147516A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB147516A (en) | 1921-06-23 |
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