BE429490A - - Google Patents
Info
- Publication number
- BE429490A BE429490A BE429490DA BE429490A BE 429490 A BE429490 A BE 429490A BE 429490D A BE429490D A BE 429490DA BE 429490 A BE429490 A BE 429490A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
-
- 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)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Circuit Breakers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB213333X | 1937-08-12 | ||
| GB201037X | 1937-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE429490A true BE429490A (en) |
Family
ID=26254448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE429490D BE429490A (en) | 1937-08-12 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE429490A (en) |
| CH (1) | CH213333A (en) |
| FR (1) | FR840827A (en) |
| GB (1) | GB500731A (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2426387A (en) * | 1944-04-04 | 1947-08-26 | Ite Circuit Breaker Ltd | Circuit breaker contact |
| US2445442A (en) * | 1944-08-31 | 1948-07-20 | Westinghouse Electric Corp | Circuit interrupter |
| US2619568A (en) * | 1947-04-04 | 1952-11-25 | Westinghouse Electric Corp | Circuit interrupter |
| US2606262A (en) * | 1949-07-27 | 1952-08-05 | Gen Electric | Electric circuit interrupter |
| DE869095C (en) * | 1949-08-17 | 1953-03-02 | Voigt & Haeffner Ag | Circuit breaker with a damping device built into the switch rod to regulate the opening speed |
| US2669628A (en) * | 1950-01-05 | 1954-02-16 | Westinghouse Electric Corp | Liquid break circuit interrupter |
| US2669629A (en) * | 1950-07-22 | 1954-02-16 | Westinghouse Electric Corp | Circuit interrupter |
| US2737556A (en) * | 1951-04-27 | 1956-03-06 | Westinghouse Electric Corp | Circuit interrupter |
| FR1144285A (en) * | 1954-12-24 | 1957-10-11 | Westinghouse Electric Corp | Circuit switches |
| DE1026397B (en) * | 1955-03-14 | 1958-03-20 | Asea Ab | Oil switch with two extinguishing chambers |
| US2919330A (en) * | 1956-01-30 | 1959-12-29 | Oerlikon Engineering Company | Low-oil content high-tension oil circuit breaker |
| US3095490A (en) * | 1960-02-26 | 1963-06-25 | Westinghouse Electric Corp | Circuit interrupters |
-
0
- BE BE429490D patent/BE429490A/xx unknown
-
1937
- 1937-08-12 GB GB22235/37A patent/GB500731A/en not_active Expired
-
1938
- 1938-07-19 FR FR840827D patent/FR840827A/en not_active Expired
- 1938-07-21 CH CH213333D patent/CH213333A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB500731A (en) | 1939-02-13 |
| FR840827A (en) | 1939-05-04 |
| CH213333A (en) | 1941-01-31 |