JPH0821535A - Highly air-tight metal seat damper - Google Patents
Highly air-tight metal seat damperInfo
- Publication number
- JPH0821535A JPH0821535A JP5237550A JP23755093A JPH0821535A JP H0821535 A JPH0821535 A JP H0821535A JP 5237550 A JP5237550 A JP 5237550A JP 23755093 A JP23755093 A JP 23755093A JP H0821535 A JPH0821535 A JP H0821535A
- Authority
- JP
- Japan
- Prior art keywords
- damper
- metal sheet
- valve body
- valve
- round bar
- 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
Links
Landscapes
- Lift Valve (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は高気密メタルシートダン
パに係り、特にメタルシートを採用した低漏洩率の高気
密メタルシートダンパに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a highly airtight metal sheet damper, and more particularly to a highly airtight metal sheet damper that employs a metal sheet and has a low leakage rate.
【０００２】[0002]
【従来の技術】原子力発電所などの空調用のダンパは、
放射性物質の汚染区域で使用されるため、シート面にゴ
ムパッキンを用いるものでは、メンテナンス時に汚染拡
大につながるため、メンテナンスフリーの構造にする必
要がある。従って、原子力発電所などの空調用のダンパ
としては、シート材料としてメタルを使用したメンテナ
ンスフリーのメタルシートダンパが最適である。2. Description of the Related Art Dampers for air conditioning of nuclear power plants are
Since a rubber packing is used on the seat surface because it is used in an area contaminated with radioactive substances, it leads to contamination expansion during maintenance, so it is necessary to have a maintenance-free structure. Therefore, a maintenance-free metal sheet damper using metal as a sheet material is most suitable as a damper for air conditioning of a nuclear power plant or the like.
【０００３】従来、この種のメタルシートダンパとして
は、特公昭６３−６６７号公報及び実開昭６１−１３７
１７５号公報に記載されたものがある。前者のメタルシ
ートダンパは、弁体に比較的柔らかい金属製のガスケッ
トを設けるとともに弁座側に突起部を設け、ダンパ閉時
には弁体と弁座との間でガスケットを湾曲させるように
している。Conventionally, metal sheet dampers of this type have been disclosed in Japanese Examined Patent Publication No. 63-667 and Sho 61-137.
There is one described in Japanese Patent No. 175. In the former metal seat damper, a relatively soft metal gasket is provided on the valve body and a protrusion is provided on the valve seat side, and the gasket is curved between the valve body and the valve seat when the damper is closed.
【０００４】一方、後者のメタルシートダンパは、本体
胴の流体入口窓の上下位置に全周にわたって半円状スプ
リングを取り付け、この半円状スプリングに本体胴内を
移動する円筒状の弁体の外周を当接させてシールさせる
ようにしている。On the other hand, in the latter metal seat damper, semicircular springs are attached to the upper and lower positions of the fluid inlet window of the main body cylinder over the entire circumference, and the semicircular springs of the cylindrical valve body moving in the main body cylinder are mounted. The outer circumference is brought into contact with and sealed.
【０００５】[0005]
【発明が解決しようとする課題】ところで、メタルシー
トダンパにおいて、シール性を良くするにはダンパ胴体
側のシート面とダンパ羽根（弁体）のシート面の加工精
度、組立精度を上げる必要があるが、この場合には、製
作コストが高くなるという問題がある。一方、上述した
特公昭６３−６６７号公報及び実開昭６１−１３７１７
５号公報に記載されたダンパによれば、シート面に金属
製のガスケットや半円状スプリングを使用し、これらを
弾性変形させるようにしているため、シート面の加工精
度、組立精度を上げることなく所望のシール性が得られ
る利点があるが、特公昭６３−６６７号公報に記載され
たダンパは、Ｌ型ダンパで弁体を直線移動させるもの
や、ゲート型ダンパで弁体が上下に駆動される形式又は
振子式に駆動される形式のものであり、いずれも弁体の
駆動機構が複雑になるとともに、駆動機構を介して流体
がインリーク及びアウトリークしないようにするシール
機構が複雑になり、コスト高となるという問題がある。
また、実開昭６１−１３７１７５号公報に記載されたダ
ンパもゲート型ダンパで弁体が上下に駆動される形式の
ものであり、上記と同様な問題を有する。By the way, in the metal seat damper, in order to improve the sealing performance, it is necessary to improve the processing accuracy and the assembly accuracy of the seat surface on the damper body side and the seat surface of the damper blade (valve body). However, in this case, there is a problem that the manufacturing cost becomes high. On the other hand, Japanese Patent Publication No. 63-667 and Japanese Utility Model Publication No. 61-13717 mentioned above.
According to the damper described in Japanese Patent Publication No. 5, a metal gasket or a semi-circular spring is used on the seat surface, and these are elastically deformed. Therefore, the processing accuracy and the assembly accuracy of the seat surface are improved. However, the damper described in Japanese Patent Publication No. Sho 63-667 is one in which the valve body is moved linearly by the L-type damper, and the valve body is driven vertically by the gate type damper. The drive mechanism for the valve element is complicated and the seal mechanism for preventing fluid from leaking in and out via the drive mechanism is complicated. However, there is a problem that the cost becomes high.
The damper disclosed in Japanese Utility Model Laid-Open No. 61-137175 is also of a type in which the valve element is driven up and down by a gate type damper, and has the same problem as described above.
【０００６】本発明はこのような事情に鑑みてなされた
もので、シート面の加工精度を特に必要とせず、低コス
トで所望のシール性が得られ、かつ弁体の駆動機構が簡
単で、駆動機構を介してインリーク及びアウトリークし
ないようにすることができる高気密メタルシートダンパ
を提供することを目的とする。The present invention has been made in view of the above circumstances, and does not particularly require the processing accuracy of the seat surface, can obtain a desired sealability at low cost, and has a simple valve disc drive mechanism. An object of the present invention is to provide a highly airtight metal sheet damper capable of preventing in-leak and out-leak via a drive mechanism.
【０００７】[0007]
【課題を解決するための手段】本発明は前記目的を達成
するために、ダンパ胴体の内周にフランジ状の弁座を形
成し、該弁座の全周に弁座側のシート面となる丸棒を溶
接し、弁体の外周に前記丸棒に当接するリング状の薄い
金属シート板を取り付け、前記ダンパ胴体内に前記弁体
を開閉駆動する４節回転機構を設け、前記４節回転機構
によって前記弁体の金属シート板が弾性変形するように
前記丸棒に当接する閉位置と弁体が気流方向と平行にな
る全開位置との間で移動させるようにしたことを特徴と
している。In order to achieve the above object, the present invention forms a flange-shaped valve seat on the inner circumference of a damper body, and forms a seat surface on the valve seat side on the entire circumference of the valve seat. A round rod is welded, a ring-shaped thin metal sheet plate that comes into contact with the round rod is attached to the outer periphery of the valve body, and a four-node rotation mechanism that drives the valve body to open and close is provided in the damper body, and the four-node rotation is performed. The mechanism is characterized in that the metal sheet plate of the valve body is moved between a closed position where it abuts against the round bar and a fully open position where the valve body is parallel to the air flow direction so that the metal sheet plate elastically deforms.
【０００８】[0008]
【作用】本発明によれば、弁座の全周に丸棒を溶接する
とともに、弁体の外周に前記丸棒に当接するリング状の
薄い金属シート板を取り付けるようにしている。そし
て、上記弁体を、ダンパ胴体内に設けられた４節回転機
構によって弁体の金属シート板が弾性変形するように丸
棒に当接する閉位置と、弁体が気流方向と平行になる全
開位置との間で移動させるようにしている。According to the present invention, a round rod is welded to the entire circumference of the valve seat, and a ring-shaped thin metal sheet plate that abuts the round rod is attached to the outer periphery of the valve body. Then, the valve body is fully closed so that the valve body comes into contact with the round bar so that the metal sheet plate of the valve body is elastically deformed by the four-bar rotation mechanism provided in the damper body, and the valve body is parallel to the air flow direction. I am trying to move between positions.
【０００９】[0009]
【実施例】以下添付図面に従って本発明に係る高気密メ
タルシートダンパの好ましい実施例を詳述する。図１及
び図２はそれぞれ本発明に係る高気密メタルシートダン
パの構造を示す図であり、図１は閉状態を示し、図２は
全開状態を示している。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of a highly airtight metal sheet damper according to the present invention will be described in detail below with reference to the accompanying drawings. 1 and 2 are views showing the structure of a highly airtight metal sheet damper according to the present invention. FIG. 1 shows a closed state, and FIG. 2 shows a fully opened state.
【００１０】これらの図面に示すように、この高気密メ
タルシートダンパは、レバーフラップ式のダンパで、主
としてダンパ胴体１０に形成された弁座１２と、弁体２
０と、この弁体２０を開閉させる４節回転機構３０と、
この４節回転機構３０を駆動するためのエアーシリンダ
４０（図４、図５参照）とから構成されている。ダンパ
胴体１０の形状は、図４に示すように角形であり、この
ダンパ胴体１０の内周に弁座１２がフランジ状に形成さ
れている。そして、この弁座１２の全周に丸棒１４が溶
接されている。丸棒１４の溶接は、全周すみ肉溶接を採
用しているが、断続溶接とハンダ付けを組み合わせても
シール性は問題ない。尚、この溶接された丸棒１４は弁
座側のシート面となる。また、丸棒１４のシート面の精
度は、特別な機械加工することなく、容易に±０．５ｍ
ｍ以内に収めることができる。As shown in these drawings, this highly airtight metal seat damper is a lever flap type damper, and mainly includes a valve seat 12 formed on a damper body 10 and a valve body 2.
0, a four-bar rotation mechanism 30 for opening and closing the valve body 20,
The air cylinder 40 (see FIGS. 4 and 5) for driving the four-node rotation mechanism 30 is configured. The damper body 10 has a rectangular shape as shown in FIG. 4, and a valve seat 12 is formed in a flange shape on the inner circumference of the damper body 10. A round bar 14 is welded to the entire circumference of the valve seat 12. The round bar 14 is welded around the entire circumference of the fillet, but the sealability is not a problem even if intermittent welding and soldering are combined. The welded round bar 14 becomes the seat surface on the valve seat side. Further, the accuracy of the sheet surface of the round bar 14 is easily ± 0.5 m without special machining.
It can fit within m.
【００１１】弁体２０には、丸棒１４に当接するリング
状の薄い金属シート板２２が取り付けられている。この
金属シート板２２は、例えば厚さ１ｍｍ程度のステンレ
ス（ＳＵＳ３０４）で、弁体２０と押え板２４との間に
挟持され、ボルトによって締め付け固定されている。上
記金属シート板２２が固定された弁体２０は、４節回転
機構３０に取り付けられている。A ring-shaped thin metal sheet plate 22 that abuts on the round bar 14 is attached to the valve body 20. The metal sheet plate 22 is made of, for example, stainless steel (SUS304) having a thickness of about 1 mm, and is sandwiched between the valve body 20 and the pressing plate 24, and is tightened and fixed by bolts. The valve body 20 to which the metal sheet plate 22 is fixed is attached to the four-bar rotation mechanism 30.
【００１２】この４節回転機構３０は、前記弁体２０に
植設された３つの支持部材３１、３１、３２と、支持部
材３１、３１と回動自在に連結されるとともに、駆動軸
３３によって回動するレバー３４、３４と、支持部材３
２及びダンパ胴体１０内に配設された支持部材３５にそ
れぞれ回動自在に連結されたレバー３６とから構成され
ている。The four-node rotation mechanism 30 is rotatably connected to the three support members 31, 31, 32 planted in the valve body 20 and the support members 31, 31 and is driven by a drive shaft 33. The rotating levers 34, 34 and the support member 3
2 and a lever 36 rotatably connected to a support member 35 provided in the damper body 10.
【００１３】上記構成の４節回転機構３０により、図１
に示す状態と図２に示す状態との間で弁体２０を移動さ
せることができる。尚、図１に示す状態は、弁体２０の
金属シート板２２が丸棒１４に当接して弾性変形してい
る閉状態であり、図２に示す状態は、弁体２０が気流方
向と平行になる全開状態である。駆動軸３３は、左右の
軸受部３７を介してダンパ胴体１０に回動自在に配設さ
れている。軸受部３７は、図３に示すような構造となっ
ており、特にダンパ内部流体が正圧、負圧の両条件に対
処できるようにインリークとアウトリーク側両方にダブ
ルでオイルシール３８、３９を設置した構造となってい
る。With the four-bar rotation mechanism 30 having the above structure, FIG.
The valve body 20 can be moved between the state shown in and the state shown in FIG. The state shown in FIG. 1 is a closed state in which the metal sheet plate 22 of the valve body 20 is in contact with the round bar 14 and is elastically deformed. In the state shown in FIG. 2, the valve body 20 is parallel to the air flow direction. It is in a fully opened state. The drive shaft 33 is rotatably arranged on the damper body 10 via left and right bearing portions 37. The bearing 37 has a structure as shown in FIG. 3, and in particular, double oil seals 38 and 39 are provided on both the in-leak and out-leak sides so that the fluid inside the damper can handle both positive pressure and negative pressure conditions. The structure is set up.
【００１４】上記駆動軸３３は、図４及び図５に示す公
知のエアーシリンダ４０によって回動させられる。即
ち、この高気密メタルシートダンパは常時開状態となっ
ており、非常時のみ全閉されるもので、非常時に図５に
示す供給圧力配管口４２から圧縮エアーがエアーシリン
ダ４０に供給されると、エアーシリンダ４０のピストン
はストロークエンドまで移動し、これにより駆動軸３３
が回動して弁体２０は図１の閉状態になる。一方、エア
ーシリンダ４０のピストンはハンドル４４を回転させる
ことにより元の位置に戻される。尚、エアーシリンダ４
０は、弁体２０の金属シート板２２が丸棒１４に当接し
て弾性変形する閉位置において停止させるための位置調
整可能なストッパを有している。The drive shaft 33 is rotated by a known air cylinder 40 shown in FIGS. 4 and 5. That is, this highly airtight metal sheet damper is always open and is fully closed only in an emergency, and compressed air is supplied to the air cylinder 40 from the supply pressure piping port 42 shown in FIG. 5 in an emergency. , The piston of the air cylinder 40 moves to the stroke end, which causes the drive shaft 33
Is rotated to bring the valve body 20 into the closed state shown in FIG. On the other hand, the piston of the air cylinder 40 is returned to its original position by rotating the handle 44. The air cylinder 4
No. 0 has a position-adjustable stopper for stopping at the closed position where the metal sheet plate 22 of the valve body 20 contacts the round bar 14 and elastically deforms.
【００１５】上記構成の高気密メタルシートダンパの漏
洩試験において、漏洩率を１１００ｍｍＡｑの空圧に対
して０．１％以下に抑えることができた。尚、本実施例
では、角型の高気密メタルシートダンパについて説明し
たが、丸型にも適用できる。In the leak test of the highly airtight metal sheet damper having the above structure, the leak rate could be suppressed to 0.1% or less with respect to the air pressure of 1100 mmAq. In this embodiment, the rectangular high airtight metal sheet damper has been described, but it can be applied to the round type.
【００１６】[0016]
【発明の効果】以上説明したように本発明に係る高気密
メタルシートダンパによれば、丸棒と薄い金属シート板
とを組み合わせたメタルタッチ構造を採用したため、ゴ
ムパッキンに比べて信頼性が高くメンテナンスフリーと
することができ、しかも金属シート板が取り付けられた
弁体を４節回転機構によって移動させるようにし、金属
シート板を弾性変形させてシールするようにしたため、
漏洩率を低くすることができるとともに、シート面の加
工精度を従来よりも下げることが可能となり、コストの
低減を図ることができる。尚、４節回転機構によって弁
体を移動させるようにしたため、メタルタッチ近傍にお
いて弁座に対してほぼ平行状態で弁体を移動させること
ができ、金属シート板を丸棒に均一に押圧することがで
きる。As described above, according to the highly airtight metal sheet damper according to the present invention, the metal touch structure in which the round bar and the thin metal sheet plate are combined is employed, so that the reliability is higher than that of the rubber packing. It can be maintenance-free, and furthermore, the valve body with the metal sheet plate attached is moved by the four-node rotation mechanism, and the metal sheet plate is elastically deformed and sealed.
The leakage rate can be lowered, and the processing accuracy of the seat surface can be lowered as compared with the conventional case, and the cost can be reduced. Since the valve element is moved by the four-bar rotation mechanism, the valve element can be moved in a state substantially parallel to the valve seat near the metal touch, and the metal sheet plate can be pressed uniformly against the round bar. You can
【００１７】また、４節回転機構によって弁体を移動さ
せるようにしたため、４節回転機構の駆動軸の軸受部に
おけるシール構造のみによって流体のインリーク及びア
ウトリークを防止することができる。Further, since the valve element is moved by the four-node rotation mechanism, in-leakage and out-leakage of fluid can be prevented only by the seal structure in the bearing portion of the drive shaft of the four-node rotation mechanism.
【図１】図１は本発明に係る高気密メタルシートダンパ
の構造を示す閉状態の図である。FIG. 1 is a view showing a structure of a highly airtight metal sheet damper according to the present invention in a closed state.
【図２】図２は本発明に係る高気密メタルシートダンパ
の構造を示す全開状態の図である。FIG. 2 is a view in a fully opened state showing a structure of a highly airtight metal sheet damper according to the present invention.
【図３】図３は本発明に係る高気密メタルシートダンパ
の駆動軸の軸受部の拡大図である。FIG. 3 is an enlarged view of a bearing portion of a drive shaft of the highly airtight metal sheet damper according to the present invention.
【図４】図４は本発明に係る高気密メタルシートダンパ
の正面図である。FIG. 4 is a front view of a highly airtight metal sheet damper according to the present invention.
【図５】図５は図４の左側面図である。FIG. 5 is a left side view of FIG.
１０…ダンパ胴体 １２…弁座 １４…丸棒 ２０…弁体 ２２…金属シート板 ３０…４節回転機構 ３１、３１、３２、３５…支持部材 ３３…駆動軸 ３４、３６…レバー ３７…軸受部 ３８、３９…オイルシール ４０…エアーシリンダ DESCRIPTION OF SYMBOLS 10 ... Damper body 12 ... Valve seat 14 ... Round bar 20 ... Valve body 22 ... Metal sheet plate 30 ... Four-node rotation mechanism 31, 31, 32, 35 ... Support member 33 ... Drive shafts 34, 36 ... Lever 37 ... Bearing part 38, 39 ... Oil seal 40 ... Air cylinder
フロントページの続き (72)発明者 冨田 敦也 東京都千代田区内神田１丁目１番14号 日 立プラント建設株式会社内 (72)発明者 清国 栄二 福岡県北九州市八幡西区大字則松461 株 式会社松島機械研究所内 (72)発明者 三浦 芳弘 福岡県北九州市八幡西区大字則松461 株 式会社松島機械研究所内Front Page Continuation (72) Inventor Atsushi Tomita At 1-114, Kanda, Chiyoda-ku, Tokyo Inside Hirit Plant Construction Co., Ltd. Inside the Mechanical Research Laboratory (72) Inventor Yoshihiro Miura Inside the Matsushima Mechanical Research Institute, 461 Co., Ltd. Norimatsu, Hachimansai-ku, Kitakyushu, Fukuoka
Claims (3)
形成し、該弁座の全周に弁座側のシート面となる丸棒を
溶接し、 弁体の外周に前記丸棒に当接するリング状の薄い金属シ
ート板を取り付け、 前記ダンパ胴体内に前記弁体を開閉駆動する４節回転機
構を設け、 前記４節回転機構によって前記弁体の金属シート板が弾
性変形するように前記丸棒に当接する閉位置と弁体が気
流方向と平行になる全開位置との間で移動させるように
したことを特徴とする高気密メタルシートダンパ。1. A flange-shaped valve seat is formed on the inner circumference of a damper body, and a round bar serving as a seat surface on the valve seat side is welded to the entire circumference of the valve seat, and the round bar is attached to the outer circumference of the valve body. A ring-shaped thin metal sheet plate that abuts is attached, and a four-node rotation mechanism that opens and closes the valve body is provided in the damper body, and the four-node rotation mechanism elastically deforms the metal sheet plate of the valve body. A highly airtight metal sheet damper characterized in that the valve body is moved between a closed position in contact with the round bar and a fully open position in which the valve body is parallel to the air flow direction.
駆動手段は、前記弁体の金属シート板が前記丸棒に当接
して弾性変形する閉位置において停止させるための位置
調整可能なストッパを有することを特徴とする請求項１
の高気密メタルシートダンパ。2. A drive means for rotating a drive shaft of the four-bar rotation mechanism is positionally adjustable for stopping at a closed position where a metal sheet plate of the valve element abuts on the round bar and elastically deforms. A stopper is provided, It has a stopper.
Highly airtight metal sheet damper.
インリーク側及びアウトリーク側にそれぞれオイルシー
ルを設置したことを特徴とする請求項１又は２の高気密
メタルシートダンパ。3. The bearing portion of the drive shaft of the four-bar rotation mechanism,
3. The highly airtight metal sheet damper according to claim 1, wherein oil seals are provided on the inleak side and the outleak side, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP05237550A JP3125831B2 (en) | 1993-09-24 | 1993-09-24 | High airtight metal sheet damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP05237550A JP3125831B2 (en) | 1993-09-24 | 1993-09-24 | High airtight metal sheet damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0821535A true JPH0821535A (en) | 1996-01-23 |
| JP3125831B2 JP3125831B2 (en) | 2001-01-22 |
Family
ID=17016998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP05237550A Expired - Fee Related JP3125831B2 (en) | 1993-09-24 | 1993-09-24 | High airtight metal sheet damper |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3125831B2 (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011106672A (en) * | 2009-10-22 | 2011-06-02 | Vat Holding Ag | Flap transfer valve with rotary bearing |
| JP2012238911A (en) * | 2008-04-07 | 2012-12-06 | Tokyo Electron Ltd | Substrate processing apparatus |
| CN103883746A (en) * | 2014-04-08 | 2014-06-25 | 南通大通宝富风机有限公司 | High-temperature-resistant and irradiation-resistant air valve with elastic metal pieces |
| CN106015595A (en) * | 2016-07-15 | 2016-10-12 | 点夺机电工程江苏有限公司 | Multi-connecting-rod sealed valve with front blade |
| CN106090252A (en) * | 2016-08-10 | 2016-11-09 | 南方风机股份有限公司 | A kind of many bars that can open and close safely drive leafy isolating valve |
| CN106763597A (en) * | 2017-03-03 | 2017-05-31 | 深圳市中航大记股份有限公司 | A kind of rotating mechanism |
| WO2017126123A1 (en) * | 2016-01-22 | 2017-07-27 | フタバ産業株式会社 | Valve device |
| CN107676493A (en) * | 2017-10-24 | 2018-02-09 | 北京聚源恒达科技有限公司 | A kind of security closed valve |
| CN110242756A (en) * | 2019-06-19 | 2019-09-17 | 广东万和热能科技有限公司 | Proportioning valve and ratio valve assembly |
| DE102020209261A1 (en) | 2020-06-25 | 2021-12-30 | Vitesco Technologies GmbH | Valve arrangement |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4923106B2 (en) * | 2007-09-28 | 2012-04-25 | 東芝キヤリア株式会社 | Air conditioner outdoor unit |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS493555Y1 (en) * | 1967-07-11 | 1974-01-28 | ||
| JPS5214224U (en) * | 1975-07-18 | 1977-02-01 | ||
| JPS5421842U (en) * | 1977-07-15 | 1979-02-13 | ||
| JPS5440527U (en) * | 1977-08-26 | 1979-03-17 | ||
| JPS54119929U (en) * | 1978-02-10 | 1979-08-22 | ||
| JPS54143960U (en) * | 1978-03-29 | 1979-10-05 | ||
| JPS5524227A (en) * | 1978-08-07 | 1980-02-21 | Mitsubishi Heavy Ind Ltd | Damper |
| JPS5510806B2 (en) * | 1975-08-20 | 1980-03-19 | ||
| JPS567733Y2 (en) * | 1977-12-01 | 1981-02-20 | ||
| JPS56105161A (en) * | 1980-01-26 | 1981-08-21 | Kubota Ltd | High temperature emergency shut-off valve |
| JPS56109457U (en) * | 1980-01-24 | 1981-08-25 | ||
| JPS58174963U (en) * | 1982-05-14 | 1983-11-22 | 三菱電機株式会社 | Electric motor shaft sealing device |
| JPS59107383U (en) * | 1983-01-07 | 1984-07-19 | 松山重車輌工業株式会社 | Shaft sealing devices for rotary valves, etc. |
| JPS6159967U (en) * | 1984-09-25 | 1986-04-22 | ||
| JPS62122963U (en) * | 1986-01-29 | 1987-08-04 | ||
| JPS62172877U (en) * | 1986-04-24 | 1987-11-02 | ||
| JPH0173581U (en) * | 1987-11-04 | 1989-05-18 | ||
| JPH0335384U (en) * | 1989-08-18 | 1991-04-05 |
-
1993
- 1993-09-24 JP JP05237550A patent/JP3125831B2/en not_active Expired - Fee Related
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS493555Y1 (en) * | 1967-07-11 | 1974-01-28 | ||
| JPS5214224U (en) * | 1975-07-18 | 1977-02-01 | ||
| JPS5510806B2 (en) * | 1975-08-20 | 1980-03-19 | ||
| JPS5421842U (en) * | 1977-07-15 | 1979-02-13 | ||
| JPS5440527U (en) * | 1977-08-26 | 1979-03-17 | ||
| JPS567733Y2 (en) * | 1977-12-01 | 1981-02-20 | ||
| JPS54119929U (en) * | 1978-02-10 | 1979-08-22 | ||
| JPS54143960U (en) * | 1978-03-29 | 1979-10-05 | ||
| JPS5524227A (en) * | 1978-08-07 | 1980-02-21 | Mitsubishi Heavy Ind Ltd | Damper |
| JPS56109457U (en) * | 1980-01-24 | 1981-08-25 | ||
| JPS56105161A (en) * | 1980-01-26 | 1981-08-21 | Kubota Ltd | High temperature emergency shut-off valve |
| JPS58174963U (en) * | 1982-05-14 | 1983-11-22 | 三菱電機株式会社 | Electric motor shaft sealing device |
| JPS59107383U (en) * | 1983-01-07 | 1984-07-19 | 松山重車輌工業株式会社 | Shaft sealing devices for rotary valves, etc. |
| JPS6159967U (en) * | 1984-09-25 | 1986-04-22 | ||
| JPS62122963U (en) * | 1986-01-29 | 1987-08-04 | ||
| JPS62172877U (en) * | 1986-04-24 | 1987-11-02 | ||
| JPH0173581U (en) * | 1987-11-04 | 1989-05-18 | ||
| JPH0335384U (en) * | 1989-08-18 | 1991-04-05 |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012238911A (en) * | 2008-04-07 | 2012-12-06 | Tokyo Electron Ltd | Substrate processing apparatus |
| JP2011106672A (en) * | 2009-10-22 | 2011-06-02 | Vat Holding Ag | Flap transfer valve with rotary bearing |
| CN103883746A (en) * | 2014-04-08 | 2014-06-25 | 南通大通宝富风机有限公司 | High-temperature-resistant and irradiation-resistant air valve with elastic metal pieces |
| CN108027070A (en) * | 2016-01-22 | 2018-05-11 | 双叶产业株式会社 | Valve gear |
| WO2017126123A1 (en) * | 2016-01-22 | 2017-07-27 | フタバ産業株式会社 | Valve device |
| JPWO2017126123A1 (en) * | 2016-01-22 | 2018-04-12 | フタバ産業株式会社 | Valve device |
| US10465800B2 (en) | 2016-01-22 | 2019-11-05 | Futaba Industrial Co., Ltd. | Valve device with axis through its tubular portion |
| CN108027070B (en) * | 2016-01-22 | 2020-02-07 | 双叶产业株式会社 | Valve device |
| CN106015595A (en) * | 2016-07-15 | 2016-10-12 | 点夺机电工程江苏有限公司 | Multi-connecting-rod sealed valve with front blade |
| CN106090252A (en) * | 2016-08-10 | 2016-11-09 | 南方风机股份有限公司 | A kind of many bars that can open and close safely drive leafy isolating valve |
| CN106763597A (en) * | 2017-03-03 | 2017-05-31 | 深圳市中航大记股份有限公司 | A kind of rotating mechanism |
| CN107676493A (en) * | 2017-10-24 | 2018-02-09 | 北京聚源恒达科技有限公司 | A kind of security closed valve |
| CN110242756A (en) * | 2019-06-19 | 2019-09-17 | 广东万和热能科技有限公司 | Proportioning valve and ratio valve assembly |
| DE102020209261A1 (en) | 2020-06-25 | 2021-12-30 | Vitesco Technologies GmbH | Valve arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3125831B2 (en) | 2001-01-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3521659A (en) | High temperature valve for throttling or three-way application | |
| JP2604279Y2 (en) | Diaphragm valve | |
| JPH0821535A (en) | Highly air-tight metal seat damper | |
| US3554486A (en) | High vacuum valve | |
| US5865422A (en) | Bi-directional valve seal mechanism | |
| CN210600231U (en) | Non-rising stem flat valve without flange and bolted connection valve cover structure | |
| CN103765061B (en) | The black box that a kind of bellows for rotary control valve encourages | |
| CN2155475Y (en) | U-shaped elastic metal sealing eccentric butterfly valve | |
| US4351511A (en) | Sealing gasket for an obturator such as a ventilation regulator | |
| CN213117524U (en) | Hydraulic flap air lock valve | |
| CN213871157U (en) | Plate ring surrounding belt type double-seal water inlet butterfly valve | |
| US4324383A (en) | Seat centerline operated butterfly valve | |
| JPH0234526Y2 (en) | ||
| CN221257695U (en) | High-performance ceramic sealing butterfly valve | |
| KR100287815B1 (en) | Butterfly valve | |
| CN220204690U (en) | Double-seal pneumatic ventilation butterfly valve | |
| CN219472756U (en) | Flue valve adopting labyrinth seal | |
| CN219035570U (en) | High leakproofness butterfly valve | |
| CN211624220U (en) | Pneumatic wafer formula rubber two way seal butterfly valve | |
| CN218377730U (en) | Concealed opening and closing mechanism of butterfly valve | |
| CN216478996U (en) | High-sealing temperature-resistant switching valve | |
| CN219692285U (en) | Particle-proof, anti-blocking hard sealing butterfly valve | |
| CN220488308U (en) | Butterfly valve with self-locking function for nuclear power | |
| CN210372055U (en) | Butterfly valve with good air tightness | |
| CN219317644U (en) | Butterfly valve capable of preventing sealing rubber ring from shifting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |