BE334990A - - Google Patents
Info
- Publication number
- BE334990A BE334990A BE334990DA BE334990A BE 334990 A BE334990 A BE 334990A BE 334990D A BE334990D A BE 334990DA BE 334990 A BE334990 A BE 334990A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
- H01H1/54—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position by magnetic force
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEA38848D DE398478C (de) | 1922-11-07 | 1922-11-07 | Schalter fuer grosse Momentanstromstaerken |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE334990A true BE334990A (enrdf_load_stackoverflow) | 1926-07-31 |
Family
ID=6931044
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE313531D BE313531A (enrdf_load_stackoverflow) | 1922-11-07 | 1923-10-30 | |
| BE334990D BE334990A (enrdf_load_stackoverflow) | 1922-11-07 | 1926-06-24 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE313531D BE313531A (enrdf_load_stackoverflow) | 1922-11-07 | 1923-10-30 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US1754349A (enrdf_load_stackoverflow) |
| BE (2) | BE313531A (enrdf_load_stackoverflow) |
| DE (1) | DE398478C (enrdf_load_stackoverflow) |
| FR (2) | FR572439A (enrdf_load_stackoverflow) |
| GB (2) | GB206522A (enrdf_load_stackoverflow) |
| NL (2) | NL13662C (enrdf_load_stackoverflow) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE758950C (de) * | 1940-02-09 | 1952-04-17 | Porzellanfabrik Kahla | Fuer Starkstromschalter bestimmter stift- und huelsenfoermiger Unterbrechungskontakt |
| NL68959C (enrdf_load_stackoverflow) * | 1943-07-13 | |||
| US2590523A (en) * | 1947-10-11 | 1952-03-25 | Westinghouse Electric Corp | Circuit interrupter contact pressure increasing device |
| US2767923A (en) * | 1953-07-20 | 1956-10-23 | Milwaukee Gas Specialty Co | Modulating and shut-off control apparatus |
| CH334097A (de) * | 1955-04-06 | 1958-11-15 | Bbc Brown Boveri & Cie | Kontaktanordnung an Leistungsschaltern |
| FR1132564A (fr) * | 1955-06-15 | 1957-03-13 | Electronique & Automatisme Sa | Relais électromagnétiques perfectionnés |
| US2857543A (en) * | 1956-06-06 | 1958-10-21 | Walter H Kohl | Cathode structure for indirectly heated narrow elongated emitting surfaces |
| FR1225685A (fr) * | 1958-12-23 | 1960-07-04 | Merlin Gerin | Perfectionnements aux contacts à pression compensés électrodynamiquement |
| US3056426A (en) * | 1960-10-21 | 1962-10-02 | Hauser Fred | Distributors |
| BE639838A (enrdf_load_stackoverflow) * | 1962-11-14 | |||
| DE1278590B (de) * | 1965-09-13 | 1968-09-26 | Jennings Radio Mfg Corp | Vakuumschalter |
| US4467301A (en) * | 1982-08-27 | 1984-08-21 | Essex Group, Inc. | Electric switch having enhanced fault current capability |
| US6399907B1 (en) * | 2001-06-13 | 2002-06-04 | Honeywell International Inc. | Helical coil switch contact assembly |
| DE10144440C1 (de) | 2001-09-06 | 2002-08-29 | Siemens Ag | Schaltkontaktanordnung mit einer Einrichtung zur Verstärkung einer zwischen Schaltkontakten wirkenden Kontaktkraft |
| FR2993092B1 (fr) * | 2012-07-03 | 2015-04-17 | Schneider Electric Ind Sas | Appareil de coupure comprenant des moyens de maintien en fermeture des contacts |
| MX2019008192A (es) * | 2017-01-06 | 2019-09-11 | Bayer Cropscience Lp | Sensor para un sistema inalambrico de deteccion de trampa para animales. |
-
1922
- 1922-11-07 DE DEA38848D patent/DE398478C/de not_active Expired
-
1923
- 1923-10-23 NL NL25432A patent/NL13662C/xx active
- 1923-10-29 US US671583A patent/US1754349A/en not_active Expired - Lifetime
- 1923-10-30 FR FR572439D patent/FR572439A/fr not_active Expired
- 1923-10-30 BE BE313531D patent/BE313531A/xx unknown
- 1923-11-06 GB GB27933/23A patent/GB206522A/en not_active Expired
-
1926
- 1926-04-29 NL NL33280A patent/NL17237C/xx active
- 1926-05-21 GB GB13082/26A patent/GB255795A/en not_active Expired
- 1926-06-24 BE BE334990D patent/BE334990A/xx unknown
- 1926-06-25 FR FR32024D patent/FR32024E/fr not_active Expired
- 1926-08-25 US US131329A patent/US1709947A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE398478C (de) | 1924-07-09 |
| NL13662C (enrdf_load_stackoverflow) | 1925-10-15 |
| US1709947A (en) | 1929-04-23 |
| US1754349A (en) | 1930-04-15 |
| GB255795A (en) | 1926-07-29 |
| FR32024E (fr) | 1927-08-29 |
| NL17237C (enrdf_load_stackoverflow) | 1927-11-15 |
| FR572439A (fr) | 1924-06-05 |
| BE313531A (enrdf_load_stackoverflow) | 1928-11-15 |
| GB206522A (enrdf_load_stackoverflow) | 1924-12-18 |