JPS641344U - - Google Patents

Info

Publication number
JPS641344U
JPS641344U JP9582787U JP9582787U JPS641344U JP S641344 U JPS641344 U JP S641344U JP 9582787 U JP9582787 U JP 9582787U JP 9582787 U JP9582787 U JP 9582787U JP S641344 U JPS641344 U JP S641344U
Authority
JP
Japan
Prior art keywords
pressure
room
frame
pressure adjustment
blade
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.)
Granted
Application number
JP9582787U
Other languages
Japanese (ja)
Other versions
JPH0444995Y2 (en
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

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  • Air-Flow Control Members (AREA)
  • Safety Valves (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の実施例の断面図、第２図は本
考案の実施例の正面図、第３図は本考案の変形例
の断面図、第４図は本考案の他の変形例の断面図
である。 １……カウンターウエイト、２……圧力調整羽
根、７……羽根、８……平型マグネツト、９……
蝶番、１０……開口、１２……部屋内、１３……
部屋外、１４……平型パツキン。 Fig. 1 is a sectional view of an embodiment of the invention, Fig. 2 is a front view of an embodiment of the invention, Fig. 3 is a sectional view of a modification of the invention, and Fig. 4 is another modification of the invention. FIG. 1... Counterweight, 2... Pressure adjustment blade, 7... Vane, 8... Flat magnet, 9...
Hinge, 10...Opening, 12...Inside the room, 13...
Outside the room, 14...Flat-shaped patchkin.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 内部を常時所定の陽圧に維持する必要のある密
閉構造の部屋の壁面の開口部に枠体によつて支持
され、枠体内部に部屋内から部屋外へ一方向にの
み開くことのできる圧力調整羽根を備えた微圧調
整ダンパーにおいて、部屋内が負圧になつた場合
にのみ、前記圧力調整羽根の開く方向と反対方向
に開くことのできる補助羽根を前記圧力調整羽根
の面内に設けたことを特徴とする微圧調整ダンパ
ー。 The pressure inside the frame is supported by a frame at the opening in the wall of a room with a sealed structure that must maintain a predetermined positive pressure at all times, and the pressure inside the frame can only open in one direction from inside the room to outside the room. In the fine pressure adjustment damper equipped with adjustment blades, an auxiliary blade is provided in the plane of the pressure adjustment blade, which can open in the opposite direction to the opening direction of the pressure adjustment blade only when the inside of the room becomes negative pressure. A fine pressure adjustment damper characterized by:
JP9582787U 1987-06-22 1987-06-22 Expired JPH0444995Y2 (en)

Priority Applications (1)

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

Applications Claiming Priority (1)

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

Publications (2)

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

Family

ID=30960884

Family Applications (1)

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

Country Status (1)

Country Link
JP (1) JPH0444995Y2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003074961A (en) * 2001-09-05 2003-03-12 Hitachi Plant Eng & Constr Co Ltd Pressure difference regulating damper
JP2012177501A (en) * 2011-02-25 2012-09-13 Nitto Electric Works Ltd Ventilation device of box for storing electrical equipment
JP2014045614A (en) * 2012-08-28 2014-03-13 Toshiba Corp Pressure discharge device of enclosed type metal switch gear
JP2020020486A (en) * 2018-07-30 2020-02-06 クリフ株式会社 Pressure adjustment damper, and exhaust device of air conditioner using pressure adjustment damper
JP2020056545A (en) * 2018-10-03 2020-04-09 大成建設株式会社 Pressure release regulation unit

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003074961A (en) * 2001-09-05 2003-03-12 Hitachi Plant Eng & Constr Co Ltd Pressure difference regulating damper
JP2012177501A (en) * 2011-02-25 2012-09-13 Nitto Electric Works Ltd Ventilation device of box for storing electrical equipment
JP2014045614A (en) * 2012-08-28 2014-03-13 Toshiba Corp Pressure discharge device of enclosed type metal switch gear
JP2020020486A (en) * 2018-07-30 2020-02-06 クリフ株式会社 Pressure adjustment damper, and exhaust device of air conditioner using pressure adjustment damper
JP2022119948A (en) * 2018-07-30 2022-08-17 クリフ株式会社 Exhaust device of air conditioner using pressure regulating damper
JP2020056545A (en) * 2018-10-03 2020-04-09 大成建設株式会社 Pressure release regulation unit

Also Published As

Publication number Publication date
JPH0444995Y2 (en) 1992-10-22

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