GB591320A - Improvements in or relating to speed responsive electric interlocking or control switches - Google Patents
Improvements in or relating to speed responsive electric interlocking or control switchesInfo
- Publication number
- GB591320A GB591320A GB1224745A GB1224745A GB591320A GB 591320 A GB591320 A GB 591320A GB 1224745 A GB1224745 A GB 1224745A GB 1224745 A GB1224745 A GB 1224745A GB 591320 A GB591320 A GB 591320A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- control switches
- speed responsive
- drum
- electric interlocking
- 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
- H01H3/00—Mechanisms for operating contacts
- H01H3/54—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts
- H01H3/58—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts using friction, toothed, or other mechanical clutch
Landscapes
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
591,320. Speed indicators. MARSH, T. E. E. May 16, 1945, No. 12247. [Class 106 (iii)] [Also in Group XXXVII] On the attainment of sufficient speed of a driving shaft 2, fluid-friction between vanes 10 thereon and the walls of a liquidcontaining drum 1 rotatable on the shaft, causes the drum to be dragged round to close electric contacts 8. The drum may close alternative contacts when reversely rotated.
Publications (1)
Publication Number | Publication Date |
---|---|
GB591320A true GB591320A (en) | 1947-08-14 |
Family
ID=1716610
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1224745A Expired GB591320A (en) | 1945-05-16 | Improvements in or relating to speed responsive electric interlocking or control switches |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB591320A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2766347A (en) * | 1954-04-01 | 1956-10-09 | Gaylord Prod Inc | Adjustable rotary speed responsive switch |
DE3010448A1 (en) * | 1979-03-23 | 1980-10-02 | John James Bowey | SAFETY DEVICE FOR A MOTOR |
-
1945
- 1945-05-16 GB GB1224745A patent/GB591320A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2766347A (en) * | 1954-04-01 | 1956-10-09 | Gaylord Prod Inc | Adjustable rotary speed responsive switch |
DE3010448A1 (en) * | 1979-03-23 | 1980-10-02 | John James Bowey | SAFETY DEVICE FOR A MOTOR |
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