NL30431C - - Google Patents
Info
- Publication number
- NL30431C NL30431C NL30431DA NL30431C NL 30431 C NL30431 C NL 30431C NL 30431D A NL30431D A NL 30431DA NL 30431 C NL30431 C NL 30431C
- 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
- H01H33/7015—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts
- H01H33/7038—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by a conducting tubular gas flow enhancing nozzle
- H01H33/7046—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by a conducting tubular gas flow enhancing nozzle having special gas flow directing elements, e.g. grooves, extensions
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE679282X | 1928-08-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL30431C true NL30431C (nl) |
Family
ID=6594456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL30431D NL30431C (nl) | 1928-08-22 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE362564A (nl) |
| FR (1) | FR679282A (nl) |
| NL (1) | NL30431C (nl) |
-
0
- NL NL30431D patent/NL30431C/xx active
- BE BE362564D patent/BE362564A/xx unknown
-
1929
- 1929-07-25 FR FR679282D patent/FR679282A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR679282A (fr) | 1930-04-10 |
| BE362564A (nl) |