NL71987C - - Google Patents
Info
- Publication number
- NL71987C NL71987C NL71987DA NL71987C NL 71987 C NL71987 C NL 71987C NL 71987D A NL71987D A NL 71987DA NL 71987 C NL71987 C NL 71987C
- Authority
- NL
- Netherlands
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
- H01H33/02—Details
- H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
- H01H33/30—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator
- H01H33/32—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator pneumatic
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR877336X | 1949-04-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL71987C true NL71987C (US08197722-20120612-C00042.png) |
Family
ID=9360977
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL676707459A NL151927B (nl) | 1949-04-06 | Hydraulische boutspanner ten gebruike bij het aandraaien van hoog belaste moeren. | |
| NL71987D NL71987C (US08197722-20120612-C00042.png) | 1949-04-06 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL676707459A NL151927B (nl) | 1949-04-06 | Hydraulische boutspanner ten gebruike bij het aandraaien van hoog belaste moeren. |
Country Status (5)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1164535B (de) * | 1958-10-21 | 1964-03-05 | Bbc Brown Boveri & Cie | Hydraulische Steuerungseinrichtung mit grosser Ansprechgeschwindigkeit fuer elektrische Leistungsschalter |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE707302C (de) * | 1938-06-28 | 1941-06-18 | Bbc Brown Boveri & Cie | Druckluftschalter mit elektropneumatischer Steuerung |
| DE744834C (de) * | 1941-04-17 | 1944-01-26 | Aeg | Druckmittelantrieb fuer elektrische Hochspannungsschalter |
-
0
- NL NL676707459A patent/NL151927B/xx unknown
- BE BE494505D patent/BE494505A/xx unknown
- NL NL71987D patent/NL71987C/xx active
-
1949
- 1949-04-06 FR FR987580D patent/FR987580A/fr not_active Expired
-
1950
- 1950-03-24 GB GB7404/50A patent/GB667724A/en not_active Expired
- 1950-04-25 DE DEM2991A patent/DE877336C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB667724A (en) | 1952-03-05 |
| BE494505A (US08197722-20120612-C00042.png) | |
| NL151927B (nl) | |
| DE877336C (de) | 1953-05-21 |
| FR987580A (fr) | 1951-08-16 |
