FR707639A - Improvements to hydraulically operated mechanisms, in particular for electrical circuit breakers - Google Patents

Improvements to hydraulically operated mechanisms, in particular for electrical circuit breakers

Info

Publication number
FR707639A
FR707639A FR707639DA FR707639A FR 707639 A FR707639 A FR 707639A FR 707639D A FR707639D A FR 707639DA FR 707639 A FR707639 A FR 707639A
Authority
FR
France
Prior art keywords
electrical circuit
circuit breakers
hydraulically operated
operated mechanisms
mechanisms
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
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR707639A publication Critical patent/FR707639A/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
    • H01H33/02—Details
    • H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
    • H01H33/30—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator
    • H01H33/34—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator hydraulic
FR707639D 1929-11-26 1930-11-25 Improvements to hydraulically operated mechanisms, in particular for electrical circuit breakers Expired FR707639A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US409983A US1873787A (en) 1929-11-26 1929-11-26 Electric switch operating mechanism

Publications (1)

Publication Number Publication Date
FR707639A true FR707639A (en) 1931-07-10

Family

ID=23622751

Family Applications (1)

Application Number Title Priority Date Filing Date
FR707639D Expired FR707639A (en) 1929-11-26 1930-11-25 Improvements to hydraulically operated mechanisms, in particular for electrical circuit breakers

Country Status (3)

Country Link
US (1) US1873787A (en)
FR (1) FR707639A (en)
GB (1) GB363795A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2115506A5 (en) * 1970-11-23 1972-07-07 Gratzmuller Jean Louis

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2438957A (en) * 1937-12-22 1948-04-06 Wunsch Guido Rudder machine for automatic pilots
US2470608A (en) * 1944-07-18 1949-05-17 Westinghouse Electric Corp Circuit breaker
US2473861A (en) * 1946-06-15 1949-06-21 Westinghouse Electric Corp Metal-clad switchgear
US2658969A (en) * 1950-04-17 1953-11-10 Pacific Electric Mfg Corp Hydraulic circuit breaker actuating mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2115506A5 (en) * 1970-11-23 1972-07-07 Gratzmuller Jean Louis

Also Published As

Publication number Publication date
US1873787A (en) 1932-08-23
GB363795A (en) 1931-12-31

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