BE520015A - - Google Patents
Info
- Publication number
- BE520015A BE520015A BE520015DA BE520015A BE 520015 A BE520015 A BE 520015A BE 520015D A BE520015D A BE 520015DA BE 520015 A BE520015 A BE 520015A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/093—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against increase beyond, or decrease below, a predetermined level of rotational speed
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US288513A US2760149A (en) | 1952-05-17 | 1952-05-17 | Magnetic amplifier overspeed trip devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE520015A true BE520015A (fr) |
Family
ID=72615520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE520015D BE520015A (fr) | 1952-05-17 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2760149A (fr) |
| JP (1) | JPS3533505Y1 (fr) |
| BE (1) | BE520015A (fr) |
| CA (1) | CA554357A (fr) |
| FR (1) | FR1080801A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3051416A (en) * | 1958-11-06 | 1962-08-28 | Honeywell Regulator Co | Maneuver limiting autopilot monitor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2331960A (en) * | 1942-01-21 | 1943-10-19 | Holtzer Cabot Electric Co | Speed control for direct current motors |
| US2559992A (en) * | 1946-04-26 | 1951-07-10 | Jr John L Painter | Extension ladder |
| US2512317A (en) * | 1949-01-24 | 1950-06-20 | Gen Electric | Excitation control system |
| US2594022A (en) * | 1950-08-05 | 1952-04-22 | Westinghouse Electric Corp | Magnetic amplifier relay circuits |
| US2635223A (en) * | 1950-10-31 | 1953-04-14 | Ward Leonard Electric Co | Voltage regulator |
-
0
- BE BE520015D patent/BE520015A/xx unknown
- CA CA554357A patent/CA554357A/fr not_active Expired
-
1952
- 1952-05-17 US US288513A patent/US2760149A/en not_active Expired - Lifetime
-
1953
- 1953-05-15 FR FR1080801D patent/FR1080801A/fr not_active Expired
-
1957
- 1957-02-07 JP JP492057U patent/JPS3533505Y1/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS3533505Y1 (fr) | 1960-12-20 |
| US2760149A (en) | 1956-08-21 |
| CA554357A (fr) | 1958-03-11 |
| FR1080801A (fr) | 1954-12-14 |