JPS6141966U - Improvements regarding the blow-off valve - Google Patents
Improvements regarding the blow-off valveInfo
- Publication number
- JPS6141966U JPS6141966U JP1985107545U JP10754585U JPS6141966U JP S6141966 U JPS6141966 U JP S6141966U JP 1985107545 U JP1985107545 U JP 1985107545U JP 10754585 U JP10754585 U JP 10754585U JP S6141966 U JPS6141966 U JP S6141966U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- blow
- valve according
- lever
- spring
- 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
- 238000007789 sealing Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 claims 3
- 230000005540 biological transmission Effects 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000002826 coolant Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/002—Evacuating and treating of exhaust gases
- C21B7/005—Bleeder valves or slides
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B9/00—Stoves for heating the blast in blast furnaces
- C21B9/10—Other details, e.g. blast mains
- C21B9/12—Hot-blast valves or slides for blast furnaces
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Lift Valve (AREA)
- Mechanically-Actuated Valves (AREA)
- Sliding Valves (AREA)
- Blast Furnaces (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は弁を閉じ位置にした状態での本考案の第１実施
例を一部垂直断面図において示す概略図、第１ａ図は第
１図の通気制御部材７８用の作動装置を示す装置の部分
側面図、第２図は第１図の弁をその開き位置において示
す部分側面図、第３図は第１図および第２図の装置の左
側面から見た側面図、第４図は第１図の実施例による弁
変位機構の動作を示す分離図、第５図は第１図の実施例
の弁部材と弁座との間の協力を示す拡大断面図、第６図
は第１図の実施例の動作中に生れる力を示すベクトル解
析、第７図は第１図の実施例の第１変態型を示す部分概
略図、第８図は第１図の実施例の第２変態型の部分概略
図、第９図は入れこ式伸縮自在な弁変位機構を用いたこ
とを特徴とする本考案の第２実施例の概略図、第１０図
は第９図の実施例の特定の動作態様を示す別の概略図、
第１１図は第９図および第１０図の実施例の一変位機構
の部分を示す拡大図、第１２図は第９図および第１０図
の実施例の変態型よりなる第３実施例の概略図、第１３
図は第９図および第１０図の実施例の第２変態型よりな
る本考案の第４実施例の概略図、第１４図は本考案の各
種実施例に使用できるばね偏倚の玉卑手の横断面図、第
−１５図は機械的作動装置の弁の作動に用いた本考案の
第５実施例の部分概略図、第１６図は第１５図のＸＶＩ
−ＸＶＩ線に沿った断面区である。
なお、図において符号２０は弁、２２および１２２は弁
部材、２４は弁座、２６は密封面、２８は排出導’！、
３０はピボット・アーム、４４．４４′は支持アーム、
４６．４６’はレバー、４６ａ，４６ｂはそれぞれレバ
ー４６の短い方のアームおよび長い方のアーム、５０．
５０’，６２は連結棒、５２，１５２はピストン棒、５
４，８４，１５４は油圧ジャッキ、６４は密封リング、
７０，１８０は圧縮ばね、７８はフラップ部材である。FIG. 1 is a schematic diagram showing, in partial vertical section, a first embodiment of the invention with the valve in the closed position; FIG. 1a shows an actuating device for the ventilation control member 78 of FIG. 2 is a partial side view of the valve of FIG. 1 in its open position; FIG. 3 is a side view of the device of FIGS. 1 and 2 as seen from the left side; FIG. FIG. 5 is an enlarged sectional view showing the cooperation between the valve member and the valve seat of the embodiment of FIG. 1; FIG. 6 is an exploded view of the valve displacement mechanism according to the embodiment of FIG. Vector analysis showing the force generated during the operation of the embodiment shown in the figure, FIG. 7 is a partial schematic diagram showing the first transformation type of the embodiment shown in FIG. 1, and FIG. FIG. 9 is a schematic diagram of a second embodiment of the present invention characterized by using a telescoping type telescopic valve displacement mechanism, and FIG. 10 is a partial schematic diagram of the modified type. Another schematic diagram illustrating certain operating aspects,
FIG. 11 is an enlarged view showing a portion of a displacement mechanism of the embodiment shown in FIGS. 9 and 10, and FIG. 12 is a schematic diagram of a third embodiment which is a modified version of the embodiment shown in FIGS. 9 and 10. Figure, 13th
The figure is a schematic diagram of a fourth embodiment of the present invention, which is a second modified version of the embodiments of FIGS. 9 and 10, and FIG. 14 is a spring-biased ball handle that can be used in various embodiments of the present invention. 15 is a partial schematic diagram of the fifth embodiment of the present invention used for actuating a valve of a mechanical actuating device; FIG.
- It is a cross-sectional section along the XVI line. In the figure, 20 is a valve, 22 and 122 are valve members, 24 is a valve seat, 26 is a sealing surface, and 28 is a discharge guide. ,
30 is a pivot arm, 44.44' is a support arm,
46.46' is a lever, 46a and 46b are the short and long arms of lever 46, respectively; 50.
50', 62 are connecting rods, 52, 152 are piston rods, 5
4, 84, 154 are hydraulic jacks, 64 is a sealing ring,
70 and 180 are compression springs, and 78 is a flap member.
Claims (1)
導管を介して制御するために固定弁座と共同する密封面
を有する可動弁部材を備えた吹出弁において、前記可動
弁部材に接続されかつ可動弁部材との接続点から離れて
いる軸を中心に枢動可能である細長い可動弁支持部材と
、弁作動力を発生する装置と、この弁作動力発生装置に
第１端が連結されていてかつ排気導管の縦軸に直角の軸
を中心に枢動可能なレバー装置と、このレバー装置の第
２端を前記支持部材の両端の中間において前記支持部材
に連結する連結棒と、前記弁部材を少なくとも閉じ位置
に維持する助けをするために前記レバー装置を弾性的に
偏倚させる装置とからなる弁部材作動機構を具備し、こ
の弁部材作動機構は導管の外側に配置されていてかつ前
記弁部材が協働する導管との整合から完全に前記弁部材
を引き込めるようになしたことを特徴とする吹出弁。 ２ さらに前記支持部材に対し弁部材の角度的調整を可
能ならしめる装置を含む実用新案登録請求の範囲第１項
に記載の吹出弁。 ３ 前記支持部材が枢動する場合の中心となる軸が前記
レバー装置が枢動ずる場合の中心となる軸に平行してい
る実用新案登録請求の範囲第１項に記載の吹出弁。 ４ 前記連結棒が前記支持装置と前爬レバー装置の第２
端とに関節接合されている実用新案登録請求の範囲第１
項記載の吹出弁。 ５ 前記連結棒装置と前記レバー装置との間の角度が弁
が閉じられた場合には４５゜以下、弁が開いている場合
には４５°を超す実用新案登録請求の範囲第１項または
第４項に記載の吹出弁。 ６ 前記レバー装置が第１および第２の角度的に関係づ
けられたアームを含むレバーよリナリ、上記レバー装置
が上記アームの接合点を中心に枢動可能であ名実用新案
登録請求の範囲第１項乃至第５項のいずれか１項に記載
の吹出弁。 ７ 前記弾性偏倚装置は固定ブラケットと前記レ−レ＜
一装置の前記第１端との間に延びたばね装置であり、前
記レバー装置の第１端は前記レバー装置の第１アームの
自由端に形成されており、前記ばね装置が前記レバー装
置を偏倚させ、これにより弁部材の開放はばね偏倚に抗
して行なわれるが、弁部材の閉塞はばね偏倚の助けを得
て行なわれる実用新案登録請求の範囲第１項記載の吹出
弁。 ８ 前記レバー装置が第１アームとこの鯖１アームに角
度的に関係づけられた第２人れこ式伸縮アームとからな
り、前記レバー装置は前記第１アームと第２人れこ式伸
縮アームとの接合点を中心に枢動し、前記弾性偏倚装置
は弁の開閉の間に前記レ・・一装置の第２人ｉこ式伸縮
アームが弾性偏倚に抗して伸長することができるように
第１の方向に前記第２人れこ式伸縮アームを弾性的に偏
倚させるべく前記第２人れこ式伸縮アームに装着されて
おり、しかして前記弾性偏倚装置は弁を閉じ位置に蝉拉
する助けをする実用新案登録請求の範囲第１項乃至第５
項のいずれか１項に記載の吹出弁。 ９ さらに作動機構の運動を閉塞方向に制限し、これに
よって作動機構がその運動の限界に達すー ると前記弾
性偏倚装置が応力を受けた状態のままになるようにした
停止装置を有する実用新案登録請求の範囲第８項に記載
の吹出弁。 −，１０ 前記停止装置が前記支持部材に取付けられ
、前記連結棒装置と共同“する実用新案登録請求の範囲
第９項に記載の吹出弁。 １１ 前記弾性偏倚装置がばねよりなり、該ばねは前
記第２人れこ式伸縮アームと直線に列んで第２人れこ式
伸縮アームを伸長させ、該ばねは弁が常時内包する圧力
を超すような力を弁を閉じ位置にした弁部材に行使する
ように選択されている実用新案登録請求の範囲第８項ま
たは第９項に記載の吹出弁。 １２ 前記支持部材に連結するばね装置を有する実用新
案登録請求の範囲第１項乃至第６項のいずれか１項に記
載の吹出弁。 一１３ 前記ばね装置が弁により常時内包、さるべき圧
力を超える内塞力を前記弁部材に行使する実用新案登録
請求の範囲第１囚番こ記載の吹出弁。 １４ 前記ばね装置が弾性ワツシャの山よりなる実用新
案登録請求の範囲第１１項または第Ｂ項に記載の吹出弁
。 １５ 前記ばね装置が油圧ばねよりなり、この油圧ばね
は内部に可動するピストンを有する油圧シリンダを含み
、この油圧シリンダはアキュムレータに接続されており
、かくして前記ピストンに流体弾性効果を与える実用新
案登録請求の範囲第１１項に記載の吹出弁。 １６ 前記弁部材がインサートを含み、該インサートは
金属で構成され一弁座と共同する密封面を有する実用新
案登録請求の範囲第１項乃至第１５項のいずれか１項に
艷載の吹出弁。 １７ 前記弁座力住縮密封リングを含み、該密封リン
グに接触し、閉じ位置にある弁で該密封リングを圧縮す
る突起よりなる実用新案登録請求の範囲第托項に記載の
吹出弁。 １８ さらに弁部材は弁座との密封面により画成され
かつ弁部材と前記密封リングとの突起により画成された
部域に流体の冷却剤を供給する装置を有する実用新案登
録請求の範囲第１６’Ｎまだは第■項に記載の吹出弁。 １９ 前記弁部材の上流に排気導管に配置された可変流
量制御装置を具備し、この流量制御装置が上記導管の軸
に直角の軸を中心に枢動ずるフラップ部材からなる実用
新案登録請求の範囲第１一項乃至第１晰のいずれか１項
に記載の吹出弁。 ２０ さらに前記フラップ部材を作動させるため導管
の外部に取付けられた作動装置を有し、該作動装置が油
圧作動装置を含む実用新案登録請求の範囲第１噸に記載
の吹出弁。 ２１ 前記角度調整装置が前記支持部材の第１端を弁
部材に接続させる玉継手装置よりなる実用新案登録請求
の範囲第２項に記載の吹出弁。 ２２前記玉継手が、前記弁部材と前記支持部材との間の
角度関係を変えるようにした少なくとも一対の弧状接触
面を形成する装置、これら接触面を互いに他方のもあに
弾性的に偏倚させる装置、および前記弁部材が開き位置
についている時には前記支持部材に対し弁部材の角度位
置を変えないような十分な摩擦を前記接触面間に生ぜし
めるべく前記弾性偏倚の程度を調整する装置を含む実用
新案登録請求の範囲第２１項に記載の吹出弁。 ２３ 前記動力発生装置が油圧作動装置よりなり、該作
動装置が前記レバー装置の第１端に連結されたピストン
棒出力部材を有する実用新案登録請求の範囲第１項乃至
第ｎ項のいずれか１項に記載の吹出弁。 ２４ 前記動力発生装置が前記レバー装置が枢動する場
合の中心の軸に平行に方向づけられた回転シャフトと、
該回転シャフト装置に時計方向および反時計方向の回転
を選択的に付与する装置と、上記回転シャフト装置を上
記レバー装置に連結する伝動装置とよりなる実用新案登
録請求の範囲第８項乃至第１１項のいずれか１項に記載
の吹出弁。 ２５ 前記回転シャフト装置が少なくとも第１プーリよ
りなり、前記回転シャフト装置に回転を付与する前記装
置が上記第１プーリと係合するケーブル装置よりなる実
用新案登録請求の範囲第２傾に記載の吹出弁。 ２６ 前記動力発生装置が減速伝動装置を備えた電動機
よりなる実用新案登録請求の範囲第８項乃至第１１項の
いずれか１項に記載の吹出弁。 ２７ 前記吹出弁が、作動機構がその運動の限界に達す
ると、前記動力発生装置を休止する装置よりなる実用新
案登録請求の範囲第３項および第８項乃至第１１項のい
ずれか１項に記載の吹出弁。[Claims for Utility Model Registration] 1. A blow-off valve with a movable valve member having a sealing surface cooperating with a fixed valve seat for controlling the flow of gas between the interior of a blast furnace and the surrounding atmosphere via a discharge conduit. an elongated movable valve support member connected to the movable valve member and pivotable about an axis remote from a point of connection with the movable valve member; a device for generating a valve actuation force; a lever device connected at a first end to the generator and pivotable about an axis perpendicular to the longitudinal axis of the exhaust conduit; and a second end of the lever device connected to the support member intermediate the ends of the support member. a valve member actuation mechanism comprising a connecting rod coupled to the member and a device for resiliently biasing the lever device to assist in maintaining the valve member in at least a closed position; A blow-off valve, characterized in that the valve member is disposed outside the conduit and is capable of fully retracting the valve member from alignment with the conduit with which it cooperates. 2. The blow-off valve according to claim 1, which is a registered utility model and further includes a device that enables angular adjustment of the valve member with respect to the support member. 3. The blow-off valve according to claim 1, wherein the axis around which the support member pivots is parallel to the axis around which the lever device pivots. 4 The connecting rod connects the support device and the second lever device to the front lever device.
The first claim for utility model registration is articulated with the ends.
Blow-off valve as described in section. 5. Utility model registration claim 1 or 5, wherein the angle between the connecting rod device and the lever device is 45° or less when the valve is closed and more than 45° when the valve is open. The blow-off valve according to item 4. 6. The lever device is a lever comprising first and second angularly related arms, the lever device being pivotable about a junction of the arms; The blow-off valve according to any one of Items 1 to 5. 7. The elastic biasing device is connected to the fixed bracket and the rail.
a spring device extending between said first end of said lever device, said first end of said lever device being formed at a free end of said first arm of said lever device, said spring device biasing said lever device; The blow-off valve according to claim 1, wherein the opening of the valve member is carried out against the biasing of the spring, but the closing of the valve member is carried out with the aid of the biasing of the spring. 8. The lever device includes a first arm and a second retractable arm that is angularly related to the first arm; Pivoting about a junction point, the resilient biasing device has a second telescoping arm such that the second telescoping arm of the device can extend against the resilient bias during opening and closing of the valve. the second retractable arm for resiliently biasing the second retractable arm in one direction, the resilient biasing device assisting in biasing the valve into a closed position; Scope of claims for utility model registration Paragraphs 1 to 5
The blow-off valve according to any one of paragraphs. 9. A utility model further comprising a stop device for restricting the movement of the actuating mechanism in the closing direction, so that when the actuating mechanism reaches the limit of its movement, said elastic biasing device remains under stress. The blow-off valve according to registered claim 8. -, 10 The blow-off valve according to claim 9, wherein the stop device is attached to the support member and cooperates with the connecting rod device. 11 The elastic biasing device is comprised of a spring, and the spring is A second retractable retractable arm is extended in line with the second retractable retractable arm, and the spring exerts a force on the valve member with the valve in the closed position that exceeds the pressure normally contained in the valve. 12. The blow-off valve according to claim 8 or 9 of the utility model registration claim, which is selected as follows. 12. The blow-off valve according to any one of Items 113. The blow-off valve according to claim 1, wherein the spring device exerts an internal blocking force on the valve member that exceeds the pressure that is constantly contained in the valve. Valve. 14. The blow-off valve according to claim 11 or B, wherein the spring device comprises a pile of elastic washers. 15. The spring device comprises a hydraulic spring, and the hydraulic spring is movable inwardly. The blow-off valve according to claim 11, comprising a hydraulic cylinder having a piston, the hydraulic cylinder being connected to an accumulator, thus imparting a hydroelastic effect to the piston.16. The blow-off valve according to any one of claims 1 to 15 of the claims 1 to 15, wherein the insert is made of metal and has a sealing surface cooperating with a valve seat. 17. The blow-off valve according to claim 1, which includes a compression sealing ring, and includes a protrusion that contacts the sealing ring and compresses the sealing ring when the valve is in the closed position. 18. The valve member further includes a valve seat. Utility model registration claim No. 16'N, which has a device for supplying a fluid coolant to an area defined by a sealing surface of the valve member and a protrusion of the sealing ring. 19. The blow-off valve of paragraph 19, comprising a variable flow control device disposed in the exhaust conduit upstream of the valve member, the flow control device extending from a flap member pivoting about an axis perpendicular to the axis of the conduit. The blow-off valve according to any one of claims 11 to 1, which is a registered utility model. Utility model registration claim 1, wherein the device includes a hydraulic actuation device. 21. Utility model registration claim, in which the angle adjustment device comprises a ball joint device connecting the first end of the support member to the valve member. The blow-off valve according to item 2 of the range. 22 Apparatus in which the ball joint forms at least a pair of arcuate contact surfaces adapted to change the angular relationship between the valve member and the support member, the contact surfaces being elastically biased toward each other; and a device for adjusting the degree of the elastic bias to create sufficient friction between the contact surfaces so as not to change the angular position of the valve member relative to the support member when the valve member is in the open position. The blow-off valve according to claim 21 of the utility model registration claim. 23. Any one of claims 1 to n, wherein the power generating device is a hydraulic actuating device, and the actuating device includes a piston rod output member connected to a first end of the lever device. The blow-off valve described in section. 24 a rotating shaft in which the power generating device is oriented parallel to an axis around which the lever device pivots;
Claims 8 to 11 include a device for selectively imparting clockwise and counterclockwise rotation to the rotary shaft device, and a transmission device for connecting the rotary shaft device to the lever device. The blow-off valve according to any one of paragraphs. 25. The blower according to claim 2, wherein the rotating shaft device includes at least a first pulley, and the device for imparting rotation to the rotating shaft device includes a cable device that engages with the first pulley. valve. 26. The blow-off valve according to any one of claims 8 to 11, wherein the power generating device is an electric motor equipped with a speed reduction transmission. 27. According to any one of claims 3 and 8 to 11, the blow-off valve comprises a device that stops the power generating device when the operating mechanism reaches its limit of motion. Blow-off valve as described.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU74745 | 1976-04-12 | ||
| LU74745A LU74745A1 (en) | 1976-04-12 | 1976-04-12 | |
| LU76693A LU76693A1 (en) | 1977-02-02 | 1977-02-02 | |
| LU76693 | 1977-02-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6141966U true JPS6141966U (en) | 1986-03-18 |
| JPH0329641Y2 JPH0329641Y2 (en) | 1991-06-24 |
Family
ID=26640199
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4190877A Pending JPS52148829A (en) | 1976-04-12 | 1977-04-11 | Improvement for blow off valve |
| JP1985107545U Granted JPS6141966U (en) | 1976-04-12 | 1985-07-12 | Improvements regarding the blow-off valve |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4190877A Pending JPS52148829A (en) | 1976-04-12 | 1977-04-11 | Improvement for blow off valve |
Country Status (16)
| Country | Link |
|---|---|
| JP (2) | JPS52148829A (en) |
| AT (1) | AT366714B (en) |
| AU (1) | AU507888B2 (en) |
| BE (1) | BE853458A (en) |
| BR (1) | BR7702326A (en) |
| CA (1) | CA1087839A (en) |
| CS (1) | CS198234B2 (en) |
| DE (1) | DE2712134C2 (en) |
| ES (1) | ES457356A1 (en) |
| FR (1) | FR2348422A1 (en) |
| GB (1) | GB1523578A (en) |
| IN (1) | IN147569B (en) |
| IT (1) | IT1126724B (en) |
| MX (1) | MX146172A (en) |
| NL (1) | NL184438C (en) |
| PL (1) | PL109675B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63118337U (en) * | 1987-01-23 | 1988-07-30 | ||
| GB8708653D0 (en) * | 1987-04-10 | 1987-05-13 | Davy Mckee Stockton | Bleeder valve assembly |
| CN106090254A (en) * | 2016-08-27 | 2016-11-09 | 黄浩华 | Device for discharging |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2201837A (en) * | 1939-03-24 | 1940-05-21 | Pfaudler Co Inc | Relief valve |
| FR1169457A (en) * | 1957-03-12 | 1958-12-29 | Rateau Soc | Improvements to pressurized fluid valves control |
| US3216819A (en) * | 1960-06-21 | 1965-11-09 | Armco Steel Corp | Blast furnace bleeder valve operation |
| DE1211882B (en) * | 1962-05-02 | 1966-03-03 | Dikkers & Co N V G | Slide with piston drive and greater opening than closing force |
| US3237916A (en) * | 1963-10-02 | 1966-03-01 | Grove Valve & Regulator Co | Disc valve |
| US3442484A (en) * | 1966-08-29 | 1969-05-06 | Kinney Eng Inc S P | Blast furnace backdraft valve |
| US3684237A (en) * | 1970-05-04 | 1972-08-15 | Westinghouse Electric Corp | Variable force angle linkage |
-
1977
- 1977-03-19 DE DE2712134A patent/DE2712134C2/en not_active Expired
- 1977-03-22 IN IN418/CAL/77A patent/IN147569B/en unknown
- 1977-03-23 AT AT0200877A patent/AT366714B/en not_active IP Right Cessation
- 1977-03-24 CS CS771962A patent/CS198234B2/en unknown
- 1977-03-25 FR FR7708952A patent/FR2348422A1/en active Granted
- 1977-03-28 GB GB13020/77A patent/GB1523578A/en not_active Expired
- 1977-03-28 CA CA274,828A patent/CA1087839A/en not_active Expired
- 1977-03-30 ES ES457356A patent/ES457356A1/en not_active Expired
- 1977-03-31 AU AU23828/77A patent/AU507888B2/en not_active Expired
- 1977-04-06 MX MX168674A patent/MX146172A/en unknown
- 1977-04-08 BE BE6045966A patent/BE853458A/en not_active IP Right Cessation
- 1977-04-08 IT IT48902/77A patent/IT1126724B/en active
- 1977-04-09 PL PL1977197330A patent/PL109675B2/en unknown
- 1977-04-11 JP JP4190877A patent/JPS52148829A/en active Pending
- 1977-04-12 BR BR7702326A patent/BR7702326A/en unknown
- 1977-04-12 NL NLAANVRAGE7703947,A patent/NL184438C/en not_active IP Right Cessation
-
1985
- 1985-07-12 JP JP1985107545U patent/JPS6141966U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS52148829A (en) | 1977-12-10 |
| NL184438B (en) | 1989-02-16 |
| ATA200877A (en) | 1981-09-15 |
| IN147569B (en) | 1980-04-12 |
| AT366714B (en) | 1982-05-10 |
| AU507888B2 (en) | 1980-02-28 |
| FR2348422B1 (en) | 1980-07-18 |
| DE2712134C2 (en) | 1985-11-28 |
| AU2382877A (en) | 1978-10-05 |
| DE2712134A1 (en) | 1977-11-17 |
| MX146172A (en) | 1982-05-21 |
| CS198234B2 (en) | 1980-05-30 |
| JPH0329641Y2 (en) | 1991-06-24 |
| ES457356A1 (en) | 1978-02-01 |
| CA1087839A (en) | 1980-10-21 |
| PL109675B2 (en) | 1980-06-30 |
| IT1126724B (en) | 1986-05-21 |
| BE853458A (en) | 1977-08-01 |
| GB1523578A (en) | 1978-09-06 |
| FR2348422A1 (en) | 1977-11-10 |
| BR7702326A (en) | 1978-01-10 |
| NL7703947A (en) | 1977-10-14 |
| NL184438C (en) | 1989-07-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6015832B2 (en) | variable force actuator | |
| US4964431A (en) | Butterfly valve apparatus and method | |
| CA2316573A1 (en) | Folding hinge | |
| US4786098A (en) | Brake mechanism for the opening movement of lids and covers | |
| JPS6141966U (en) | Improvements regarding the blow-off valve | |
| BR0101003A (en) | Electromagnetic actuator for actuation of the valves of an internal combustion engine with mechanical game recovery | |
| JPH0663834U (en) | Turbocharger waist gate opening / closing device | |
| US5975487A (en) | Rotary valve actuator with high-low-high torque linkage | |
| JP3367252B2 (en) | Actuator device for opening and closing steam control valve | |
| CN112252875A (en) | An optimized opening and closing structure of an embedded hinge | |
| EP0479940B1 (en) | Butterfly valve apparatus and method | |
| US3653366A (en) | Control device for the air-intake of carburetor-type internal combustion engines | |
| US2607324A (en) | Pressure fluid motor control | |
| US3835501A (en) | Actuators | |
| JPS6224135Y2 (en) | ||
| RU2208677C1 (en) | Device for door closing | |
| JPH042356Y2 (en) | ||
| JPH07189690A (en) | Shroud for radiator | |
| CN223838848U (en) | A drive mechanism for a car door lock | |
| RU2103536C1 (en) | Device for reversed thrust of jet engine | |
| HUT66421A (en) | Air supply system | |
| JPH0218219Y2 (en) | ||
| JPS6348851Y2 (en) | ||
| KR20030018527A (en) | Combination apparatus of waste gate valve | |
| JPS62111941U (en) |