JPS6246933B2 - - Google Patents

Info

Publication number
JPS6246933B2
JPS6246933B2 JP54122593A JP12259379A JPS6246933B2 JP S6246933 B2 JPS6246933 B2 JP S6246933B2 JP 54122593 A JP54122593 A JP 54122593A JP 12259379 A JP12259379 A JP 12259379A JP S6246933 B2 JPS6246933 B2 JP S6246933B2
Authority
JP
Japan
Prior art keywords
valve
closing
pressure
main valve
shield
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
JP54122593A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5648017A (en
Inventor
Takashi Nakazato
Yoshitada Kobayashi
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP12259379A priority Critical patent/JPS5648017A/ja
Publication of JPS5648017A publication Critical patent/JPS5648017A/ja
Publication of JPS6246933B2 publication Critical patent/JPS6246933B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
JP12259379A 1979-09-26 1979-09-26 Hydraulic actuator Granted JPS5648017A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12259379A JPS5648017A (en) 1979-09-26 1979-09-26 Hydraulic actuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12259379A JPS5648017A (en) 1979-09-26 1979-09-26 Hydraulic actuator

Publications (2)

Publication Number Publication Date
JPS5648017A JPS5648017A (en) 1981-05-01
JPS6246933B2 true JPS6246933B2 (US07709020-20100504-C00041.png) 1987-10-05

Family

ID=14839761

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12259379A Granted JPS5648017A (en) 1979-09-26 1979-09-26 Hydraulic actuator

Country Status (1)

Country Link
JP (1) JPS5648017A (US07709020-20100504-C00041.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3317534B2 (ja) * 1992-12-25 2002-08-26 株式会社東芝 電力用開閉器の液圧操作装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4944262A (US07709020-20100504-C00041.png) * 1972-07-12 1974-04-25
JPS536885A (en) * 1976-07-07 1978-01-21 Mitsubishi Electric Corp Device for throwing and holding breaker

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4944262A (US07709020-20100504-C00041.png) * 1972-07-12 1974-04-25
JPS536885A (en) * 1976-07-07 1978-01-21 Mitsubishi Electric Corp Device for throwing and holding breaker

Also Published As

Publication number Publication date
JPS5648017A (en) 1981-05-01

Similar Documents

Publication Publication Date Title
EP2857713B1 (en) Method of lubrication of a buffering device for the operating mechanism of a switchgear
US2783338A (en) Operating mechanism for a fluid-blast circuit breaker
JPH08109841A (ja) エンジンリターダーブレーキシステムのソレノイドバルブ
JPS6246933B2 (US07709020-20100504-C00041.png)
US4785712A (en) Hydraulic operating apparatus for electric circuit breaker
JPS6246932B2 (US07709020-20100504-C00041.png)
JPS6246931B2 (US07709020-20100504-C00041.png)
US5419236A (en) Method for controlling a hydraulic drive and configuration for carrying out the method
JPS6235233Y2 (US07709020-20100504-C00041.png)
US4404892A (en) Hydraulic operating apparatus
JPS6347094B2 (US07709020-20100504-C00041.png)
JPH0244093B2 (US07709020-20100504-C00041.png)
JPS6235232Y2 (US07709020-20100504-C00041.png)
JPH0743565Y2 (ja) パイロットバルブ装置
JP3538466B2 (ja) 主蒸気止め弁の開閉装置
JPH07217401A (ja) 高圧回路遮断器のための油圧駆動装置のための油圧装置
JPS6333562B2 (US07709020-20100504-C00041.png)
JPS64773B2 (US07709020-20100504-C00041.png)
JP3317534B2 (ja) 電力用開閉器の液圧操作装置
JPS6222037Y2 (US07709020-20100504-C00041.png)
JPS5926093B2 (ja) 開閉器用流体操作弁
JPH0213408B2 (US07709020-20100504-C00041.png)
CA1269024A (en) Hydraulic operating apparatus
JPH05159668A (ja) 密閉形開閉装置
JP2508951B2 (ja) 射出成形機の型開閉油圧装置