FR919375A - Control device for mercury reversing switches - Google Patents
Control device for mercury reversing switchesInfo
- Publication number
- FR919375A FR919375A FR919375DA FR919375A FR 919375 A FR919375 A FR 919375A FR 919375D A FR919375D A FR 919375DA FR 919375 A FR919375 A FR 919375A
- Authority
- FR
- France
- Prior art keywords
- mercury
- control device
- reversing switches
- reversing
- switches
- 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
- H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
- H01H36/02—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by movement of a float carrying a magnet
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/32—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR919375T | 1945-09-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR919375A true FR919375A (en) | 1947-03-06 |
Family
ID=9425009
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR919375D Expired FR919375A (en) | 1945-09-12 | 1945-09-12 | Control device for mercury reversing switches |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR919375A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3051805A (en) * | 1959-03-09 | 1962-08-28 | Magnetrol Inc | Electric switch control means |
-
1945
- 1945-09-12 FR FR919375D patent/FR919375A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3051805A (en) * | 1959-03-09 | 1962-08-28 | Magnetrol Inc | Electric switch control means |
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