FR564384A - Improvements to oil switches - Google Patents
Improvements to oil switchesInfo
- Publication number
- FR564384A FR564384A FR564384DA FR564384A FR 564384 A FR564384 A FR 564384A FR 564384D A FR564384D A FR 564384DA FR 564384 A FR564384 A FR 564384A
- Authority
- FR
- France
- Prior art keywords
- oil switches
- switches
- oil
- 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
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
-
- 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
- H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
- H01H33/121—Load break switches
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US548155A US1696570A (en) | 1922-03-30 | 1922-03-30 | Oil switch |
US40937A US1696604A (en) | 1922-03-30 | 1925-07-01 | Fluid-break switch |
Publications (1)
Publication Number | Publication Date |
---|---|
FR564384A true FR564384A (en) | 1923-12-28 |
Family
ID=26717620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR564384D Expired FR564384A (en) | 1922-03-30 | 1923-03-27 | Improvements to oil switches |
Country Status (2)
Country | Link |
---|---|
US (1) | US1696604A (en) |
FR (1) | FR564384A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB936545A (en) * | 1960-12-15 | 1963-09-11 | Asea Ab | Air blast electric circuit breaker |
BE635001A (en) * | 1962-07-16 | |||
JPS4935951B1 (en) * | 1968-12-30 | 1974-09-26 | ||
US3848101A (en) * | 1969-09-26 | 1974-11-12 | Ite Imperial Corp | Elongated jaw contact for oil circuit breaker disconnect contact |
DE3206445A1 (en) * | 1982-02-23 | 1983-09-01 | Siemens AG, 1000 Berlin und 8000 München | CIRCUIT BREAKER ARRANGEMENT, SUITABLE AS PRE-AUTOMATIC |
-
1923
- 1923-03-27 FR FR564384D patent/FR564384A/en not_active Expired
-
1925
- 1925-07-01 US US40937A patent/US1696604A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US1696604A (en) | 1928-12-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR523609A (en) | Improvements to oil switches | |
FR564384A (en) | Improvements to oil switches | |
FR554730A (en) | Improvements made to electric oil switches | |
FR544551A (en) | Improvements to oil cruets | |
FR553264A (en) | Improvements to oil lubricators | |
FR594591A (en) | Improvements to oil switches | |
FR580363A (en) | Surge-triggered oil switch | |
FR556343A (en) | Improvements to oil burners | |
FR555413A (en) | Improvements to oil burners | |
FR552411A (en) | Improvements to oil tanks | |
FR523894A (en) | Oil burette | |
FR619299A (en) | Improvements to oil boxes | |
FR550539A (en) | Improvements to oil preservatives | |
FR529223A (en) | Oil switch | |
FR557938A (en) | Improvements to works linked to tabs | |
FR595165A (en) | Improvements to oil cruets | |
FR588491A (en) | Improvements to oil cruets | |
FR513837A (en) | Improvements to oil switches | |
FR562705A (en) | Improvements to oil transformers | |
FR554600A (en) | Improvements made to oil switches or circuit breakers | |
FR594122A (en) | Improvements to oil separators | |
FR30140E (en) | Heavy oil carburetor | |
FR560906A (en) | Improvements to fluid compressors | |
FR586292A (en) | Improvements to rotary oil extractors | |
FR595177A (en) | Oil cooler-heater |