NL48665C - - Google Patents
Info
- Publication number
- NL48665C NL48665C NL48665DA NL48665C NL 48665 C NL48665 C NL 48665C NL 48665D A NL48665D A NL 48665DA NL 48665 C NL48665 C NL 48665C
- 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
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
- H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
- H01H33/92—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the arc-extinguishing fluid being liquid, e.g. oil
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Circuit Breakers (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US144626A US2214620A (en) | 1937-05-25 | 1937-05-25 | Circuit interrupter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL48665C true NL48665C (en:Method) |
Family
ID=22509418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL48665D NL48665C (en:Method) | 1937-05-25 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2214620A (en:Method) |
| FR (1) | FR830489A (en:Method) |
| GB (1) | GB498581A (en:Method) |
| NL (1) | NL48665C (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2467788A (en) * | 1944-07-20 | 1949-04-19 | Westinghouse Electric Corp | Circuit interrupter |
| US2465240A (en) * | 1944-08-31 | 1949-03-22 | Westinghouse Electric Corp | Circuit interrupter |
| US2477781A (en) * | 1946-10-07 | 1949-08-02 | Westinghouse Electric Corp | Circuit interrupter |
-
0
- NL NL48665D patent/NL48665C/xx active
-
1937
- 1937-05-25 US US144626A patent/US2214620A/en not_active Expired - Lifetime
- 1937-12-07 FR FR830489D patent/FR830489A/fr not_active Expired
-
1938
- 1938-03-21 GB GB8657/38A patent/GB498581A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR830489A (fr) | 1938-08-01 |
| GB498581A (en) | 1939-01-10 |
| US2214620A (en) | 1940-09-10 |