FR557117A - Improvements to rotary mercury switches - Google Patents
Improvements to rotary mercury switchesInfo
- Publication number
- FR557117A FR557117A FR557117DA FR557117A FR 557117 A FR557117 A FR 557117A FR 557117D A FR557117D A FR 557117DA FR 557117 A FR557117 A FR 557117A
- Authority
- FR
- France
- Prior art keywords
- mercury switches
- rotary mercury
- rotary
- switches
- mercury
- 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
- H01H29/00—Switches having at least one liquid contact
- H01H29/26—Switches having at least one liquid contact with level of surface of contact liquid displaced by centrifugal action
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR557117T | 1922-02-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR557117A true FR557117A (en) | 1923-08-03 |
Family
ID=8940637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR557117D Expired FR557117A (en) | 1922-02-03 | 1922-02-03 | Improvements to rotary mercury switches |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR557117A (en) |
GB (1) | GB192704A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2444687A (en) * | 1944-04-06 | 1948-07-06 | Widakowich Marius Hugo Wilhelm | Periodic circuit breaker with a liquid conductor particularly for contact current changers |
US2822513A (en) * | 1951-10-08 | 1958-02-04 | Licentia Gmbh | Converting device |
US2855473A (en) * | 1955-12-09 | 1958-10-07 | Rabinow Jacob | Fluid operated switch |
-
1922
- 1922-02-03 FR FR557117D patent/FR557117A/en not_active Expired
-
1923
- 1923-02-01 GB GB3045/23A patent/GB192704A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB192704A (en) | 1924-05-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR574406A (en) | Improvements to electrical switches | |
FR560509A (en) | Improvements to electrical switches | |
FR572211A (en) | Improvements to electrical switches | |
FR572619A (en) | Improvements to electrical switches | |
FR557117A (en) | Improvements to rotary mercury switches | |
FR564635A (en) | Improvements to electrical switches | |
FR567014A (en) | Improvements to electrical switches | |
FR574190A (en) | Improvements to electrical switches | |
FR573314A (en) | Improvements to electrical switches | |
FR575381A (en) | Improvements to electrical switches | |
FR617979A (en) | Improvements to mercury switches | |
FR562770A (en) | Improvements to arc devices | |
FR561296A (en) | Improvements to electrical switches | |
FR547186A (en) | Improvements to electrical switches | |
FR570602A (en) | Improvements to electrical switches | |
FR573133A (en) | Improvements to electrical switches | |
FR573032A (en) | Improvements to electrical switches | |
FR27536E (en) | Improvements to projection devices | |
FR636136A (en) | Improvements to mercury switches | |
FR587866A (en) | Improvements to rotary switches | |
FR579695A (en) | Rotary switch | |
FR571112A (en) | Improvements to thermo-ionic devices | |
FR560015A (en) | Improvements to electrodes | |
FR617731A (en) | Improvements to intermittent mercury switches | |
FR571012A (en) | Improvements to arc devices |