JPS5462526A - Pneumatic valve opening lock device - Google Patents

Pneumatic valve opening lock device

Info

Publication number
JPS5462526A
JPS5462526A JP12876077A JP12876077A JPS5462526A JP S5462526 A JPS5462526 A JP S5462526A JP 12876077 A JP12876077 A JP 12876077A JP 12876077 A JP12876077 A JP 12876077A JP S5462526 A JPS5462526 A JP S5462526A
Authority
JP
Japan
Prior art keywords
valve opening
lock device
pneumatic valve
opening lock
pneumatic
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.)
Pending
Application number
JP12876077A
Other languages
Japanese (ja)
Inventor
Youhei Hiramatsu
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
Priority to JP12876077A priority Critical patent/JPS5462526A/en
Publication of JPS5462526A publication Critical patent/JPS5462526A/en
Pending legal-status Critical Current

Links

JP12876077A 1977-10-28 1977-10-28 Pneumatic valve opening lock device Pending JPS5462526A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12876077A JPS5462526A (en) 1977-10-28 1977-10-28 Pneumatic valve opening lock device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12876077A JPS5462526A (en) 1977-10-28 1977-10-28 Pneumatic valve opening lock device

Publications (1)

Publication Number Publication Date
JPS5462526A true JPS5462526A (en) 1979-05-19

Family

ID=14992777

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12876077A Pending JPS5462526A (en) 1977-10-28 1977-10-28 Pneumatic valve opening lock device

Country Status (1)

Country Link
JP (1) JPS5462526A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007533035A (en) * 2004-04-16 2007-11-15 フィッシャー コントロールズ インターナショナル リミテッド ライアビリティー カンパニー Asymmetric volume booster configuration for valve actuators

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007533035A (en) * 2004-04-16 2007-11-15 フィッシャー コントロールズ インターナショナル リミテッド ライアビリティー カンパニー Asymmetric volume booster configuration for valve actuators
US7845268B2 (en) 2004-04-16 2010-12-07 Fisher Controls International Llc Asymmetric volume booster arrangement for valve actuators
JP4790705B2 (en) * 2004-04-16 2011-10-12 フィッシャー コントロールズ インターナショナル リミテッド ライアビリティー カンパニー Asymmetric volume booster configuration for valve actuators

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