NL219557A - - Google Patents
Info
- Publication number
- NL219557A NL219557A NL219557DA NL219557A NL 219557 A NL219557 A NL 219557A NL 219557D A NL219557D A NL 219557DA NL 219557 A NL219557 A NL 219557A
- 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
- H01H33/80—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve
- H01H33/82—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve the fluid being air or gas
- H01H33/83—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve the fluid being air or gas wherein the contacts are opened by the flow of air or gas
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL346929X | 1956-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL219557A true NL219557A (en) |
Family
ID=19784919
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL219557D NL219557A (en) | 1956-02-15 | ||
| NL204555D NL204555A (en) | 1956-02-15 | ||
| NL87728D NL87728C (en) | 1956-02-15 | ||
| NL91916D NL91916C (en) | 1956-02-15 |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL204555D NL204555A (en) | 1956-02-15 | ||
| NL87728D NL87728C (en) | 1956-02-15 | ||
| NL91916D NL91916C (en) | 1956-02-15 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2887550A (en) |
| BE (1) | BE547466A (en) |
| CH (1) | CH346929A (en) |
| DE (1) | DE1025486B (en) |
| FR (1) | FR1154459A (en) |
| GB (1) | GB825678A (en) |
| NL (4) | NL91916C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3629532A (en) * | 1970-02-20 | 1971-12-21 | Sun Electric Corp | Immediately responsive fluid flow operated switch with normally closed spring contact in flow channel |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE435345A (en) * | 1938-05-27 | |||
| GB514804A (en) * | 1938-06-03 | 1939-11-17 | English Electric Co Ltd | Improvements in electrical switchgear |
| NL57563C (en) * | 1942-02-19 |
-
0
- NL NL219557D patent/NL219557A/xx unknown
- NL NL204555D patent/NL204555A/xx unknown
- NL NL87728D patent/NL87728C/xx active
- NL NL91916D patent/NL91916C/xx active
- BE BE547466D patent/BE547466A/xx unknown
-
1956
- 1956-05-16 FR FR1154459D patent/FR1154459A/en not_active Expired
-
1957
- 1957-02-07 GB GB4306/57A patent/GB825678A/en not_active Expired
- 1957-02-07 CH CH346929D patent/CH346929A/en unknown
- 1957-02-07 DE DEN13283A patent/DE1025486B/en active Pending
- 1957-02-12 US US639699A patent/US2887550A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| BE547466A (en) | |
| CH346929A (en) | 1960-06-15 |
| GB825678A (en) | 1959-12-16 |
| NL87728C (en) | |
| US2887550A (en) | 1959-05-19 |
| NL91916C (en) | |
| DE1025486B (en) | 1958-03-06 |
| NL204555A (en) | |
| FR1154459A (en) | 1958-04-10 |