DE3447903C2 - - Google Patents
Info
- Publication number
- DE3447903C2 DE3447903C2 DE19843447903 DE3447903A DE3447903C2 DE 3447903 C2 DE3447903 C2 DE 3447903C2 DE 19843447903 DE19843447903 DE 19843447903 DE 3447903 A DE3447903 A DE 3447903A DE 3447903 C2 DE3447903 C2 DE 3447903C2
- Authority
- DE
- Germany
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
- H01H33/6646—Contacts; Arc-extinguishing means, e.g. arcing rings having non flat disc-like contact surface
-
- 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
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/18—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
- H01H33/185—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using magnetisable elements associated with the contacts
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843447903 DE3447903A1 (de) | 1984-12-31 | 1984-12-31 | Elektrischer vakuumschalter |
DE19863619315 DE3619315A1 (de) | 1984-12-31 | 1986-06-09 | Elektrischer vakuumschalter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843447903 DE3447903A1 (de) | 1984-12-31 | 1984-12-31 | Elektrischer vakuumschalter |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3447903A1 DE3447903A1 (de) | 1985-08-01 |
DE3447903C2 true DE3447903C2 (de) | 1990-08-02 |
Family
ID=6254174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19843447903 Granted DE3447903A1 (de) | 1984-12-31 | 1984-12-31 | Elektrischer vakuumschalter |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3447903A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4011194A1 (de) * | 1990-04-04 | 1990-08-02 | Slamecka Ernst | Vakuumschaltkammer |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3502945A1 (de) * | 1985-01-25 | 1985-08-14 | Ernst Prof. Dr.techn.habil. 1000 Berlin Slamecka | Elektrische vakuumschaltkammer |
DE3535066C2 (de) * | 1985-09-27 | 1986-12-11 | Ernst Prof. Dr.techn.habil. 1000 Berlin Slamecka | Erregerkontaktstückanordnung für Vakuumschalter |
DE3608084A1 (de) * | 1986-03-07 | 1986-09-18 | Ernst Prof. Dr.techn.habil. 13595 Berlin Slamecka | Vakuum-hochspannungs-sicherungseinsatz |
DE3907897A1 (de) * | 1989-03-09 | 1989-10-19 | Slamecka Ernst | Vakuumschalter mit aeusserer axialmagnetfelderregung |
WO1994014177A1 (en) * | 1992-12-16 | 1994-06-23 | Nu-Lec Pty. Ltd. | Arc extinguishing switch apparatus and method |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3218426A (en) * | 1964-06-26 | 1965-11-16 | Paul C Montoya | Magnetic electrical contacts having a nonmagnetic sector therein |
NL168361C (nl) * | 1977-12-05 | 1982-03-16 | Hazemeijer Bv | Elektrische vacuumschakelaar. |
NL8400873A (nl) * | 1984-03-19 | 1985-10-16 | Hazemeijer Bv | Vakuumschakelaar, voorzien van hoefijzervormige organen voor het opwekken van een axiaal magnetisch veld. |
-
1984
- 1984-12-31 DE DE19843447903 patent/DE3447903A1/de active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4011194A1 (de) * | 1990-04-04 | 1990-08-02 | Slamecka Ernst | Vakuumschaltkammer |
Also Published As
Publication number | Publication date |
---|---|
DE3447903A1 (de) | 1985-08-01 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
OAV | Applicant agreed to the publication of the unexamined application as to paragraph 31 lit. 2 z1 | ||
OR8 | Request for search as to paragraph 43 lit. 1 sentence 1 patent law | ||
8105 | Search report available | ||
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
AG | Has addition no. |
Ref country code: DE Ref document number: 3619315 Format of ref document f/p: P |
|
8363 | Opposition against the patent | ||
8366 | Restricted maintained after opposition proceedings | ||
8305 | Restricted maintenance of patent after opposition | ||
AG | Has addition no. |
Ref country code: DE Ref document number: 3619315 Format of ref document f/p: P |
|
D4 | Patent maintained restricted | ||
8339 | Ceased/non-payment of the annual fee |