CA983981A - Circuit breaker actuating device - Google Patents

Circuit breaker actuating device

Info

Publication number
CA983981A
CA983981A CA179,977A CA179977A CA983981A CA 983981 A CA983981 A CA 983981A CA 179977 A CA179977 A CA 179977A CA 983981 A CA983981 A CA 983981A
Authority
CA
Canada
Prior art keywords
circuit breaker
actuating device
breaker actuating
circuit
breaker
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
CA179,977A
Other languages
English (en)
Other versions
CA179977S (en
Inventor
Zenichi Nakano
Goro Hirose
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of CA983981A publication Critical patent/CA983981A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
    • F16K24/06—Devices, e.g. valves, for venting or aerating enclosures for aerating only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86928—Sequentially progressive opening or closing of plural valves
    • Y10T137/86936—Pressure equalizing or auxiliary shunt flow
    • Y10T137/86944—One valve seats against other valve [e.g., concentric valves]
    • Y10T137/86984—Actuator moves both valves

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Breakers (AREA)
CA179,977A 1972-09-14 1973-08-30 Circuit breaker actuating device Expired CA983981A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9173772A JPS5535809B2 (fr) 1972-09-14 1972-09-14

Publications (1)

Publication Number Publication Date
CA983981A true CA983981A (en) 1976-02-17

Family

ID=14034822

Family Applications (1)

Application Number Title Priority Date Filing Date
CA179,977A Expired CA983981A (en) 1972-09-14 1973-08-30 Circuit breaker actuating device

Country Status (3)

Country Link
US (1) US3984648A (fr)
JP (1) JPS5535809B2 (fr)
CA (1) CA983981A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51113792A (en) * 1975-03-31 1976-10-07 Tohoku Metal Ind Ltd Electric cell used for electrochemical analysis of melting metals
US4463229A (en) * 1981-11-13 1984-07-31 Westinghouse Electric Corp. Pneumatic operating mechanism for a circuit breaker
JPH0434813A (ja) * 1990-05-30 1992-02-05 Hitachi Ltd 高速度遮断器
BR9206342A (pt) * 1991-08-07 1995-11-07 Microhydraulics Inc Sistema de suspensão ativa
US6288348B1 (en) 2000-01-26 2001-09-11 Eaton Corporation Pneumatic operator for circuit breakers

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1060399A (en) * 1910-10-04 1913-04-29 T F Green Electrical train-controlling means.
US2370182A (en) * 1943-11-13 1945-02-27 Morrow David High-pressure gas fitting
US2740859A (en) * 1953-12-28 1956-04-03 Gen Electric Fluid actuated circuit breaker operating mechanism
FR1135122A (fr) * 1955-11-04 1957-04-24 Jean Louis Gratzmuller Dispositif de commande hydraulique à contrôle de vitesse, pour disjoncteur
NL108324C (fr) * 1957-10-11
US3102555A (en) * 1959-12-11 1963-09-03 Buckeye Iron & Brass Works Floating restrictor for dispensing nozzle
US3105126A (en) * 1960-06-15 1963-09-24 Allis Chalmers Mfg Co Interrupting device employing continuous hydraulic control
US3389886A (en) * 1963-05-13 1968-06-25 A R L Named S T Dupont Soc Pneumatic pilot valve with snap action

Also Published As

Publication number Publication date
JPS5535809B2 (fr) 1980-09-17
US3984648A (en) 1976-10-05
JPS4947880A (fr) 1974-05-09

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