JPH0444995Y2 - - Google Patents

Info

Publication number
JPH0444995Y2
JPH0444995Y2 JP9582787U JP9582787U JPH0444995Y2 JP H0444995 Y2 JPH0444995 Y2 JP H0444995Y2 JP 9582787 U JP9582787 U JP 9582787U JP 9582787 U JP9582787 U JP 9582787U JP H0444995 Y2 JPH0444995 Y2 JP H0444995Y2
Authority
JP
Japan
Prior art keywords
room
pressure
blade
opening
pressure adjustment
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
JP9582787U
Other languages
English (en)
Japanese (ja)
Other versions
JPS641344U (zh
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 filed Critical
Priority to JP9582787U priority Critical patent/JPH0444995Y2/ja
Publication of JPS641344U publication Critical patent/JPS641344U/ja
Application granted granted Critical
Publication of JPH0444995Y2 publication Critical patent/JPH0444995Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Safety Valves (AREA)
  • Air-Flow Control Members (AREA)
JP9582787U 1987-06-22 1987-06-22 Expired JPH0444995Y2 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9582787U JPH0444995Y2 (zh) 1987-06-22 1987-06-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9582787U JPH0444995Y2 (zh) 1987-06-22 1987-06-22

Publications (2)

Publication Number Publication Date
JPS641344U JPS641344U (zh) 1989-01-06
JPH0444995Y2 true JPH0444995Y2 (zh) 1992-10-22

Family

ID=30960884

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9582787U Expired JPH0444995Y2 (zh) 1987-06-22 1987-06-22

Country Status (1)

Country Link
JP (1) JPH0444995Y2 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3818103B2 (ja) * 2001-09-05 2006-09-06 株式会社日立プラントテクノロジー 差圧調整ダンパ
JP2012177501A (ja) * 2011-02-25 2012-09-13 Nitto Electric Works Ltd 電気機器収納用箱の通風装置
JP6204645B2 (ja) * 2012-08-28 2017-09-27 株式会社東芝 金属閉鎖形スイッチギヤの放圧装置
JP7153263B2 (ja) * 2018-07-30 2022-10-14 クリフ株式会社 圧力調整ダンパー
JP7101094B2 (ja) * 2018-10-03 2022-07-14 大成建設株式会社 避圧調整ユニット

Also Published As

Publication number Publication date
JPS641344U (zh) 1989-01-06

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