KR100248936B1 - 차단기의 유체압구동장치 - Google Patents

차단기의 유체압구동장치 Download PDF

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Publication number
KR100248936B1
KR100248936B1 KR1019970017862A KR19970017862A KR100248936B1 KR 100248936 B1 KR100248936 B1 KR 100248936B1 KR 1019970017862 A KR1019970017862 A KR 1019970017862A KR 19970017862 A KR19970017862 A KR 19970017862A KR 100248936 B1 KR100248936 B1 KR 100248936B1
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KR
South Korea
Prior art keywords
pressure
working fluid
supply
fluid
flow path
Prior art date
Application number
KR1019970017862A
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English (en)
Korean (ko)
Other versions
KR970076947A (ko
Inventor
다다히코 노가미
고로 다이몬
야스히데 다케다
히데오 가와모토
고이치 사도
히로시 마에다
히로요시 사다무라
Original Assignee
가나이 쓰도무
가부시끼가이샤 히다치 세이사꾸쇼
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 가나이 쓰도무, 가부시끼가이샤 히다치 세이사꾸쇼 filed Critical 가나이 쓰도무
Publication of KR970076947A publication Critical patent/KR970076947A/ko
Application granted granted Critical
Publication of KR100248936B1 publication Critical patent/KR100248936B1/ko

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/24—Power arrangements internal to the switch for operating the driving mechanism using pneumatic or hydraulic actuator
    • 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
    • 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

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Fluid-Pressure Circuits (AREA)
KR1019970017862A 1996-05-10 1997-05-09 차단기의 유체압구동장치 KR100248936B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11603196A JP3831802B2 (ja) 1996-05-10 1996-05-10 遮断器の流体圧駆動装置
JP96-116031 1996-05-10

Publications (2)

Publication Number Publication Date
KR970076947A KR970076947A (ko) 1997-12-12
KR100248936B1 true KR100248936B1 (ko) 2000-03-15

Family

ID=14677046

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019970017862A KR100248936B1 (ko) 1996-05-10 1997-05-09 차단기의 유체압구동장치

Country Status (3)

Country Link
JP (1) JP3831802B2 (ja)
KR (1) KR100248936B1 (ja)
CN (1) CN1052558C (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5117735B2 (ja) * 2007-02-19 2013-01-16 株式会社日立製作所 抵抗投入式ガス遮断器
JP2009236420A (ja) * 2008-03-27 2009-10-15 Sumitomo Heavy Ind Ltd 冷凍機用コールドヘッド
CN101424284B (zh) * 2008-12-04 2012-07-11 奇瑞汽车股份有限公司 变速箱油泵试验控制计时方法和计时器
JP5728621B1 (ja) 2014-05-29 2015-06-03 株式会社小松製作所 油圧駆動装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63230504A (ja) * 1987-03-18 1988-09-27 Mitsui Toatsu Chem Inc 塩素の製造方法
MX169357B (es) * 1987-08-13 1993-09-30 Valspar Corp Composicion de revestimiento en composicion acuosa
FR2640424A1 (fr) * 1988-12-09 1990-06-15 Alsthom Gec Commande de disjoncteur

Also Published As

Publication number Publication date
CN1052558C (zh) 2000-05-17
JP3831802B2 (ja) 2006-10-11
KR970076947A (ko) 1997-12-12
CN1166678A (zh) 1997-12-03
JPH09306306A (ja) 1997-11-28

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