BE739771A - - Google Patents
Info
- Publication number
- BE739771A BE739771A BE739771DA BE739771A BE 739771 A BE739771 A BE 739771A BE 739771D A BE739771D A BE 739771DA BE 739771 A BE739771 A BE 739771A
- Authority
- BE
- Belgium
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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/001—Means for preventing or breaking contact-welding
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S200/00—Electricity: circuit makers and breakers
- Y10S200/42—Contact welding considerations
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US76539068A | 1968-10-07 | 1968-10-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE739771A true BE739771A (de) | 1970-03-16 |
Family
ID=25073438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE739771D BE739771A (de) | 1968-10-07 | 1969-10-02 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3591742A (de) |
| BE (1) | BE739771A (de) |
| CH (1) | CH500582A (de) |
| DE (1) | DE1947659A1 (de) |
| ES (1) | ES371890A1 (de) |
| FR (1) | FR2020046A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2117845C3 (de) * | 1971-04-13 | 1975-08-21 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Kontaktanordnung für Vakuumschalter |
| US3920941A (en) * | 1972-08-10 | 1975-11-18 | Westinghouse Electric Corp | Contact-operating mechanism for breaking vacuum interrupter contact-welds by bending action of the movable contact rod |
| US4733456A (en) * | 1985-11-08 | 1988-03-29 | General Electric Company | Method of assembling a shield assembly of a vacuum interrupter |
| JP4818530B2 (ja) * | 2001-04-19 | 2011-11-16 | 三菱電機株式会社 | 真空バルブ |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE914146C (de) * | 1943-07-07 | 1954-06-28 | Siemens Ag | Vakuumschalter |
| US3036180A (en) * | 1959-05-11 | 1962-05-22 | Gen Electric | Contact structure for a vacuum-type circuit interrupter |
| US3174019A (en) * | 1962-01-09 | 1965-03-16 | Allis Chalmers Mfg Co | Vacuum tube interrupter having sequential separable contacts |
| US3327081A (en) * | 1964-11-25 | 1967-06-20 | Allis Chalmers Mfg Co | Contact with high resistance material insert |
-
1968
- 1968-10-07 US US765390A patent/US3591742A/en not_active Expired - Lifetime
-
1969
- 1969-09-19 DE DE19691947659 patent/DE1947659A1/de active Pending
- 1969-09-25 ES ES371890A patent/ES371890A1/es not_active Expired
- 1969-10-01 CH CH1477269A patent/CH500582A/de not_active IP Right Cessation
- 1969-10-02 BE BE739771D patent/BE739771A/xx unknown
- 1969-10-06 FR FR6934017A patent/FR2020046A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| ES371890A1 (es) | 1971-11-16 |
| US3591742A (en) | 1971-07-06 |
| DE1947659A1 (de) | 1970-04-23 |
| FR2020046A1 (de) | 1970-07-10 |
| CH500582A (de) | 1970-12-15 |