FR2139894B1 - - Google Patents

Info

Publication number
FR2139894B1
FR2139894B1 FR7217837A FR7217837A FR2139894B1 FR 2139894 B1 FR2139894 B1 FR 2139894B1 FR 7217837 A FR7217837 A FR 7217837A FR 7217837 A FR7217837 A FR 7217837A FR 2139894 B1 FR2139894 B1 FR 2139894B1
Authority
FR
France
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
FR7217837A
Other languages
French (fr)
Other versions
FR2139894A1 (en
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.)
Siemens AG
Original Assignee
Siemens AG
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 DE19712128648 external-priority patent/DE2128648C3/en
Application filed by Siemens AG filed Critical Siemens AG
Publication of FR2139894A1 publication Critical patent/FR2139894A1/fr
Application granted granted Critical
Publication of FR2139894B1 publication Critical patent/FR2139894B1/fr
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
    • 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
    • H01H2033/308—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator comprising control and pilot valves
FR7217837A 1971-06-04 1972-05-18 Expired FR2139894B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712128648 DE2128648C3 (en) 1971-06-04 Hydraulic drive for a high-voltage circuit breaker

Publications (2)

Publication Number Publication Date
FR2139894A1 FR2139894A1 (en) 1973-01-12
FR2139894B1 true FR2139894B1 (en) 1980-03-14

Family

ID=5810306

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7217837A Expired FR2139894B1 (en) 1971-06-04 1972-05-18

Country Status (4)

Country Link
US (1) US3832502A (en)
JP (1) JPS5328622B1 (en)
CH (1) CH539940A (en)
FR (1) FR2139894B1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2235074B2 (en) * 1972-07-12 1979-05-17 Siemens Ag, 1000 Berlin Und 8000 Muenchen Hydraulic actuator for an electrical switch
FR2193242B1 (en) * 1972-07-13 1977-05-13 Siemens Ag
FR2233516A2 (en) * 1973-06-14 1975-01-10 Comp Generale Electricite Fluid press. control valve assembly - has three pistons on single shaft and pilot valve to control fluid flow
JPS6028082B2 (en) * 1977-07-20 1985-07-03 株式会社日立製作所 Fluid pressure drive device
FR2422245A1 (en) * 1978-01-04 1979-11-02 Gratzmuller Claude HYDRAULIC CONTROL SYSTEM FOR ELECTRIC CIRCUIT BREAKERS
CH646009A5 (en) * 1979-11-01 1984-10-31 Bbc Brown Boveri & Cie HYDRAULIC DRIVE FOR ELECTRIC SWITCHES.
JPS5693227A (en) * 1979-12-27 1981-07-28 Hitachi Ltd Hydraulic driving unit
US4443195A (en) * 1980-05-22 1984-04-17 Kabushiki Kaisha Morita Seisakusho Driving and water pouring control device for dental air-turbine handpiece
US4461937A (en) * 1981-09-18 1984-07-24 Mcgraw-Edison Company Fail-safe hydraulically operated circuit breaker accumulator arrangement
DE3545782A1 (en) * 1985-12-20 1987-06-25 Siemens Ag HYDRAULIC DRIVE DEVICE FOR AN ELECTRIC COMPRESSED GAS SWITCH
CN1034145C (en) * 1993-07-29 1997-02-26 浙江大学 Hydraulic operation structure of high-voltage breaker
JP3402024B2 (en) * 1995-11-20 2003-04-28 株式会社日立製作所 Gas circuit breaker and fluid pressure driving device used therefor
JP3861834B2 (en) * 2002-05-17 2006-12-27 株式会社日立製作所 Circuit breaker fluid pressure drive

Also Published As

Publication number Publication date
FR2139894A1 (en) 1973-01-12
JPS5328622B1 (en) 1978-08-16
DE2128648B2 (en) 1976-05-20
US3832502A (en) 1974-08-27
CH539940A (en) 1973-07-31
DE2128648A1 (en) 1972-12-14

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Legal Events

Date Code Title Description
ST Notification of lapse