FR61791E - Improvements to liquid jet blow-off switches - Google Patents

Improvements to liquid jet blow-off switches

Info

Publication number
FR61791E
FR61791E FR61791DA FR61791E FR 61791 E FR61791 E FR 61791E FR 61791D A FR61791D A FR 61791DA FR 61791 E FR61791 E FR 61791E
Authority
FR
France
Prior art keywords
switches
liquid jet
jet blow
blow
liquid
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
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US169981A external-priority patent/US2545334A/en
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR61791E publication Critical patent/FR61791E/en
Expired legal-status Critical Current

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
    • H01H33/72—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
FR61791D 1948-07-30 1951-06-20 Improvements to liquid jet blow-off switches Expired FR61791E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US41612A US2539175A (en) 1948-07-30 1948-07-30 Liquid blast interrupter for electric breakers
US169981A US2545334A (en) 1950-06-23 1950-06-23 Electric circuit interrupter

Publications (1)

Publication Number Publication Date
FR61791E true FR61791E (en) 1955-05-17

Family

ID=26718339

Family Applications (2)

Application Number Title Priority Date Filing Date
FR991488D Expired FR991488A (en) 1948-07-30 1949-07-29 Improvements to liquid jet blow-off switches
FR61791D Expired FR61791E (en) 1948-07-30 1951-06-20 Improvements to liquid jet blow-off switches

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR991488D Expired FR991488A (en) 1948-07-30 1949-07-29 Improvements to liquid jet blow-off switches

Country Status (3)

Country Link
US (1) US2539175A (en)
FR (2) FR991488A (en)
GB (2) GB668650A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2667556A (en) * 1950-06-14 1954-01-26 Westinghouse Electric Corp Circuit interrupter
US2717293A (en) * 1953-01-23 1955-09-06 Gen Electric Electric circuit interrupter
US2752459A (en) * 1953-04-27 1956-06-26 Allis Chalmers Mfg Co Circuit breaker with arc restraining members in fluid supply passageways
US2806111A (en) * 1954-04-26 1957-09-10 Westinghouse Electric Corp Circuit interrupters
US3900946A (en) * 1973-10-25 1975-08-26 Mc Graw Edison Co Method for making arc extinguishing chamber
US8445805B2 (en) * 2011-01-07 2013-05-21 Michael David Glaser Vacuum switch with pre-insertion contact
CA3237956A1 (en) * 2021-11-11 2023-05-19 Thomas Olin Fanta Vacuum interrupter anti-bounce dampener

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2156450A (en) * 1937-06-07 1939-05-02 Gen Electric Apparatus for interrupting an electric circuit
US2385008A (en) * 1942-09-17 1945-09-18 Westinghouse Electric Corp Circuit interrupter
US2406469A (en) * 1942-11-11 1946-08-27 Westinghouse Electric Corp Circuit interrupter
US2422569A (en) * 1943-05-28 1947-06-17 Westinghouse Electric Corp Circuit interrupter

Also Published As

Publication number Publication date
GB668650A (en) 1952-03-19
FR991488A (en) 1951-10-05
GB696161A (en) 1953-08-26
US2539175A (en) 1951-01-23

Similar Documents

Publication Publication Date Title
FR59848E (en) Improvements to discharge tubes
FR1003065A (en) Improvements to assembly devices
FR61791E (en) Improvements to liquid jet blow-off switches
FR973025A (en) Improvements to liquid cooling devices
FR980581A (en) Improvements to expression vessels
FR971176A (en) Multi-tap improvement
FR966332A (en) Improvements in the construction of jet nozzles
FR969069A (en) Improvements to the keyboards of shorthand machines
FR1010024A (en) Improvements to jet propulsion aerodynes
FR968513A (en) Improvements to liquid cooling devices
FR948387A (en) Improvements to liquid compression dampers
FR1006521A (en) Improvements to devices such as those intended for embryotomy
FR950406A (en) Improvements to inflatable devices for aircraft surfaces
FR1009392A (en) Refinements to Reactance Tube Circuits
FR1048770A (en) Improvements to liquid sprayers
FR985336A (en) Improvements to quick-reclosing switches
FR54391E (en) Improvements to arc blow switches using insulating liquid jets
FR981588A (en) Improvements to drawing devices
FR976314A (en) Liquid motion transmission
FR978347A (en) Improvements to welding equipment
FR989497A (en) Improvements to mechanical razors
FR981322A (en) Improvements to the so-called fricot boxes
FR1025036A (en) Improvements to continuous clarifiers
FR923142A (en) Improvements to discharge vessels
FR968566A (en) Improvement in liquid sprayers