TW424246B - Fluid pressure driving apparatus of breaker - Google Patents

Fluid pressure driving apparatus of breaker Download PDF

Info

Publication number
TW424246B
TW424246B TW088113665A TW88113665A TW424246B TW 424246 B TW424246 B TW 424246B TW 088113665 A TW088113665 A TW 088113665A TW 88113665 A TW88113665 A TW 88113665A TW 424246 B TW424246 B TW 424246B
Authority
TW
Taiwan
Prior art keywords
valve
switching
piston
control valve
open
Prior art date
Application number
TW088113665A
Other languages
English (en)
Chinese (zh)
Inventor
Masaru Yamazaki
Tadahiko Nogami
Shinji Seto
Goro Daimon
Yasuhide Takeda
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 TW424246B publication Critical patent/TW424246B/zh

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/70Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/80Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B20/00Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02Details
    • H01H33/28Power arrangements internal to the switch for operating the driving mechanism
    • H01H33/30Power arrangements internal to the switch for operating the driving mechanism using fluid actuator

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
TW088113665A 1998-09-17 1999-08-10 Fluid pressure driving apparatus of breaker TW424246B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26270698A JP3473437B2 (ja) 1998-09-17 1998-09-17 遮断器の流体圧駆動装置

Publications (1)

Publication Number Publication Date
TW424246B true TW424246B (en) 2001-03-01

Family

ID=17379473

Family Applications (1)

Application Number Title Priority Date Filing Date
TW088113665A TW424246B (en) 1998-09-17 1999-08-10 Fluid pressure driving apparatus of breaker

Country Status (3)

Country Link
JP (1) JP3473437B2 (ko)
KR (1) KR100346091B1 (ko)
TW (1) TW424246B (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4322399B2 (ja) * 2000-05-31 2009-08-26 株式会社東芝 液圧操作装置
JP2004247179A (ja) 2003-02-14 2004-09-02 Hitachi Ltd 遮断器の流体圧駆動装置
KR100856859B1 (ko) 2007-02-16 2008-09-05 주식회사 한솔테크 전력 변압기용 충격 유압 계전기

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0877889A (ja) * 1994-09-01 1996-03-22 Toshiba Corp 液圧駆動装置
JP3183120B2 (ja) * 1995-09-20 2001-07-03 株式会社日立製作所 遮断器の流体圧駆動装置およびこれを用いた遮断器
JP3402024B2 (ja) * 1995-11-20 2003-04-28 株式会社日立製作所 ガス遮断器及びそれに用いられる流体圧駆動装置
JPH09306305A (ja) * 1996-05-10 1997-11-28 Hitachi Ltd 流体圧駆動装置及びこれを用いた遮断器
JP3348013B2 (ja) * 1998-03-31 2002-11-20 株式会社日立製作所 遮断器の流体駆動装置

Also Published As

Publication number Publication date
KR20000023226A (ko) 2000-04-25
KR100346091B1 (ko) 2002-07-24
JP3473437B2 (ja) 2003-12-02
JP2000090784A (ja) 2000-03-31

Similar Documents

Publication Publication Date Title
US7284371B2 (en) Hydraulic control system for working machine
US4340086A (en) Hydraulic control valve unit
US8113233B2 (en) Hydraulic circuit of option device for excavator
TW424246B (en) Fluid pressure driving apparatus of breaker
US5143119A (en) Drive for a feed valve
WO2000073665A1 (fr) Dispositif de soupape et dispositif de commande d'actionneur hydraulique
JP2014214804A (ja) 過流防止機能付き弁装置
JPH04231708A (ja) 複動式流体ジャッキの制御装置
US10962031B2 (en) Control device
US7499761B2 (en) Variable function voting solenoid-operated valve apparatus having air-to-move valve actuators and testing method therefor
JPH07139307A (ja) 制御弁用アクチュエータ
JPH0771642A (ja) チェック弁付3方向流体制御弁
JP3861834B2 (ja) 遮断器の流体圧駆動装置
JP3473453B2 (ja) 遮断器の流体圧駆動装置
JP2002245904A (ja) 遮断器の流体圧駆動装置
CN211203066U (zh) 汽轮机蒸汽阀门的四取二紧急停机控制回路
EP4245968A1 (en) Directional control hydraulic valve and system including same
JP3348013B2 (ja) 遮断器の流体駆動装置
CN211144586U (zh) 一种汽轮机蒸汽阀门的四取二紧急停机控制回路
CN116816757A (zh) 叠加式逻辑阀组
KR20100117728A (ko) Nc-no 혼합형 솔레노이드 밸브
JP2019148301A (ja) 流体圧制御装置
WO2003010452A1 (en) Pneumatic diaphragm valve and method for controlling a pneumatic valve actuator
JP4017280B2 (ja) 流体供給遮断設備
JPS6334194Y2 (ko)

Legal Events

Date Code Title Description
GD4A Issue of patent certificate for granted invention patent
MM4A Annulment or lapse of patent due to non-payment of fees