FR763666A - Improvements to thermo-pneumatic relays - Google Patents
Improvements to thermo-pneumatic relaysInfo
- Publication number
- FR763666A FR763666A FR763666DA FR763666A FR 763666 A FR763666 A FR 763666A FR 763666D A FR763666D A FR 763666DA FR 763666 A FR763666 A FR 763666A
- Authority
- FR
- France
- Prior art keywords
- thermo
- pneumatic relays
- relays
- pneumatic
- 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
- H01H29/28—Switches having at least one liquid contact with level of surface of contact liquid displaced by fluid pressure
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR763666T | 1933-11-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR763666A true FR763666A (en) | 1934-05-04 |
Family
ID=9180693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR763666D Expired FR763666A (en) | 1933-11-10 | 1933-11-10 | Improvements to thermo-pneumatic relays |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR763666A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3166657A (en) * | 1960-08-22 | 1965-01-19 | Ishiguro Yasunosuke | Time delay mercury switch with gas equalization means |
US3176101A (en) * | 1959-03-20 | 1965-03-30 | Telefunken Ag | Liquid contact switch with auxiliary heating means |
-
1933
- 1933-11-10 FR FR763666D patent/FR763666A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3176101A (en) * | 1959-03-20 | 1965-03-30 | Telefunken Ag | Liquid contact switch with auxiliary heating means |
US3166657A (en) * | 1960-08-22 | 1965-01-19 | Ishiguro Yasunosuke | Time delay mercury switch with gas equalization means |
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