FR702226A - Expansion switch - Google Patents
Expansion switchInfo
- Publication number
- FR702226A FR702226A FR702226DA FR702226A FR 702226 A FR702226 A FR 702226A FR 702226D A FR702226D A FR 702226DA FR 702226 A FR702226 A FR 702226A
- Authority
- FR
- France
- Prior art keywords
- expansion switch
- expansion
- switch
- Prior art date
- 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
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/7007—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid wherein the flow is a function of the current being interrupted
-
- 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
- H01H33/72—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber
- H01H33/75—Liquid-break switches, e.g. oil-break
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE379804X | 1930-07-04 | ||
DE380658X | 1930-12-09 | ||
DE380657X | 1930-12-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR702226A true FR702226A (en) | 1931-04-02 |
Family
ID=31950088
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR702226D Expired FR702226A (en) | 1930-07-04 | 1930-09-05 | Expansion switch |
FR724251D Expired FR724251A (en) | 1930-07-04 | 1930-10-12 | Electric power switch based on the expansion principle |
FR720450D Expired FR720450A (en) | 1930-07-04 | 1931-06-30 | High power electric switch |
FR41092D Expired FR41092E (en) | 1930-07-04 | 1931-12-08 | Expansion switch |
FR41093D Expired FR41093E (en) | 1930-07-04 | 1931-12-08 | Expansion switch |
Family Applications After (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR724251D Expired FR724251A (en) | 1930-07-04 | 1930-10-12 | Electric power switch based on the expansion principle |
FR720450D Expired FR720450A (en) | 1930-07-04 | 1931-06-30 | High power electric switch |
FR41092D Expired FR41092E (en) | 1930-07-04 | 1931-12-08 | Expansion switch |
FR41093D Expired FR41093E (en) | 1930-07-04 | 1931-12-08 | Expansion switch |
Country Status (6)
Country | Link |
---|---|
US (1) | US1942294A (en) |
BE (1) | BE381089A (en) |
DE (3) | DE678032C (en) |
FR (5) | FR702226A (en) |
GB (3) | GB379804A (en) |
NL (1) | NL35345C (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE767713C (en) * | 1938-02-05 | 1953-04-09 | Aeg | Electric gas switch |
DE917190C (en) * | 1943-04-10 | 1954-08-26 | Voigt & Haeffner Akt Ges | Current extinguishing chamber |
US2425147A (en) * | 1944-06-29 | 1947-08-05 | Westinghouse Electric Corp | Circuit interrupter |
FR920442A (en) * | 1945-10-03 | 1947-04-08 | Merlin Gerin | Interrupting chamber for alternating current |
US7044458B2 (en) | 2001-04-30 | 2006-05-16 | Maclean-Fogg Company | Stabilizer bar |
US6952154B2 (en) * | 2002-06-16 | 2005-10-04 | Maclean-Fogg Company | Composite insulator for fuse cutout |
US6831232B2 (en) * | 2002-06-16 | 2004-12-14 | Scott Henricks | Composite insulator |
-
0
- BE BE381089D patent/BE381089A/xx unknown
- DE DENDAT623343D patent/DE623343C/de active Active
- NL NL35345D patent/NL35345C/xx active
-
1930
- 1930-07-04 DE DE1930678032D patent/DE678032C/en not_active Expired
- 1930-09-05 FR FR702226D patent/FR702226A/en not_active Expired
- 1930-10-12 FR FR724251D patent/FR724251A/en not_active Expired
- 1930-10-19 DE DE1930641706D patent/DE641706C/en not_active Expired
-
1931
- 1931-06-27 US US547297A patent/US1942294A/en not_active Expired - Lifetime
- 1931-06-30 FR FR720450D patent/FR720450A/en not_active Expired
- 1931-07-02 GB GB19155/31A patent/GB379804A/en not_active Expired
- 1931-12-02 GB GB33453/31A patent/GB380658A/en not_active Expired
- 1931-12-02 GB GB33452/31A patent/GB380657A/en not_active Expired
- 1931-12-08 FR FR41092D patent/FR41092E/en not_active Expired
- 1931-12-08 FR FR41093D patent/FR41093E/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE623343C (en) | |
FR724251A (en) | 1932-04-25 |
FR41092E (en) | 1932-10-26 |
GB380657A (en) | 1932-09-22 |
GB379804A (en) | 1932-09-08 |
DE641706C (en) | 1937-02-13 |
US1942294A (en) | 1934-01-02 |
BE381089A (en) | |
FR720450A (en) | 1932-02-19 |
GB380658A (en) | 1932-09-22 |
DE678032C (en) | 1939-07-07 |
FR41093E (en) | 1932-10-26 |
NL35345C (en) |
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