FR744357A - - Google Patents
Info
- Publication number
- FR744357A FR744357A FR744357DA FR744357A FR 744357 A FR744357 A FR 744357A FR 744357D A FR744357D A FR 744357DA FR 744357 A FR744357 A FR 744357A
- Authority
- FR
- France
- 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
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/72—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber
- H01H33/75—Liquid-break switches, e.g. oil-break
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE402927X | 1931-10-27 | ||
| DEA63914D DE664986C (de) | 1931-10-27 | 1931-10-28 | Fluessigkeitsschalter |
| DEA65743D DE666337C (de) | 1931-10-27 | 1932-04-21 | Fluessigkeitsschalter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR744357A true FR744357A (fr) | 1933-04-19 |
Family
ID=27201686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR744357D Expired FR744357A (fr) | 1931-10-27 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1953788A (fr) |
| DE (2) | DE664986C (fr) |
| FR (1) | FR744357A (fr) |
| GB (3) | GB403600A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2874932A (en) * | 1952-02-25 | 1959-02-24 | Maschf Augsburg Nuernberg Ag | Steel turbine rotors with ceramic blades |
| DE1088584B (de) * | 1956-03-29 | 1960-09-08 | Licentia Gmbh | OElarmer Stroemungsschalter |
-
0
- FR FR744357D patent/FR744357A/fr not_active Expired
-
1931
- 1931-10-28 DE DEA63914D patent/DE664986C/de not_active Expired
-
1932
- 1932-04-21 DE DEA65743D patent/DE666337C/de not_active Expired
- 1932-08-19 GB GB23186/33A patent/GB403600A/en not_active Expired
- 1932-10-27 GB GB30181/32A patent/GB402927A/en not_active Expired
-
1933
- 1933-01-14 US US651777A patent/US1953788A/en not_active Expired - Lifetime
- 1933-04-20 GB GB11589/33A patent/GB402990A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1953788A (en) | 1934-04-03 |
| DE666337C (de) | 1938-10-17 |
| GB402927A (en) | 1933-12-14 |
| GB403600A (en) | 1933-12-28 |
| DE664986C (de) | 1938-09-13 |
| GB402990A (en) | 1933-12-14 |