JP2006119981A - Thermosensitive automatic pressure reducing valve - Google Patents

Thermosensitive automatic pressure reducing valve Download PDF

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JP2006119981A
JP2006119981A JP2004308242A JP2004308242A JP2006119981A JP 2006119981 A JP2006119981 A JP 2006119981A JP 2004308242 A JP2004308242 A JP 2004308242A JP 2004308242 A JP2004308242 A JP 2004308242A JP 2006119981 A JP2006119981 A JP 2006119981A
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temperature
sensitive
valve
beer
reducing valve
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Masuo Koda
満洲雄 甲田
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Sanden Shoji KK
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a thermosensitive automatic pressure reducing valve capable of sensing a room temperature approximate to a beer temperature without requiring manual operation and automatically adjusting a carbon dioxide gas pressure adaptive corresponding to this temperature. <P>SOLUTION: This thermosensitive automatic pressure reducing valve comprises a valve part 3 operating a valve rod 2 by expansion and contraction of a spring member 1 to adjust the aperture of a gas passage, in which a secondary-side gas pressure is adjusted to a desired pressure lower than a primary-side gas pressure. In this valve, instead of a pressing force adjusting screw member acting on the spring member 1 for increasing and decreasing the pressing force to the valve rod 2 to adjust the aperture of the gas passage, a thermosensitive bellows body 4 in which a liquid whose volume is expanded and contracted following a temperature change is sealed is fitted and placed on the head part of the spring member 1. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、詳細にはビールの温度に応じて炭酸ガス圧を自動調整する感温式自動減圧弁に関する。   More specifically, the present invention relates to a temperature-sensitive automatic pressure reducing valve that automatically adjusts the carbon dioxide pressure in accordance with the temperature of beer.

炭酸ガスボンベ、ビール樽、ビールサーバーを通してジョッキに供給される場合、例えば夏季の気温が高い時、ビールの温度が上昇する。ビールサーバーで瞬冷しても美味しい樽生ビールは供給されない。ビール中に含まれる炭酸ガスの圧力がボンベから送られてくる炭酸ガス圧力と釣り合った状態で美味しい樽生ビールが供給できる。然し生ビールの温度が変化すると、ビール中の炭酸ガスの圧力も変化し、即ちビールの温度が上がると、樽の中ではビール中の炭酸ガスの圧力が高くなり、樽内の圧力の低い上方空間領域にビール中の炭酸ガスが抜け出し（ガス分離）、気の抜けたビールとなり美味しさが失われたビールが供給されることになる。また反対に温度が下がるとビール中の炭酸ガスの圧力が低くなり、ボンベからの炭酸ガスがビール中に溶け込み、所謂過飽和状態を呈し、舌にピリピリした感触の不快な味のビールが供給されることになる。   When the mug is supplied through a carbon dioxide cylinder, a beer barrel, and a beer server, for example, when the temperature in summer is high, the temperature of the beer rises. Draft barrel beer will not be supplied even if it is instantly cooled by the beer server. Delicious barrel draft beer can be supplied with the pressure of carbon dioxide contained in the beer balanced with the pressure of carbon dioxide sent from the cylinder. However, when the temperature of draft beer changes, the pressure of carbon dioxide in beer also changes, that is, when the temperature of beer rises, the pressure of carbon dioxide in beer increases in the barrel, and the upper space where the pressure in the barrel is low Carbon dioxide in the beer escapes to the area (gas separation), and the beer is supplied with the tasteless beer. On the other hand, when the temperature falls, the pressure of carbon dioxide in the beer decreases, so that the carbon dioxide from the cylinder dissolves in the beer, so-called supersaturated state is provided, and a beer with an unpleasant taste that feels tingling on the tongue is supplied. It will be.

従来は、上述のような不具合を避けるため、減圧弁を手動で操作して、ビールの温度変化に合せたガス圧調整を行って樽内の圧力バランスを保つようにしているのが通例である。   Conventionally, in order to avoid the problems as described above, it is usual to manually operate the pressure reducing valve and maintain the pressure balance in the barrel by adjusting the gas pressure according to the temperature change of the beer. .

また、先行技術として、ビール樽の表面に変色温度が異なる複数種類の示温材料を変色温度の順に配列したサーモラベルを貼り、その時のビール樽の温度に対応する炭酸ガスの適正圧力が一見して分るようにする、という発明が開示されている（例えば、特許文献１参照。）。
特開平１１−２６８７４４号公報 In addition, as a prior art, a thermolabel in which a plurality of types of temperature indicating materials having different discoloration temperatures are arranged in the order of the discoloration temperature is attached to the surface of the beer barrel, and the appropriate pressure of carbon dioxide gas corresponding to the temperature of the beer barrel at that time can be seen at a glance. An invention has been disclosed (see, for example, Patent Document 1).
JP-A-11-268744

然しながら、上述の従来例では、特許文献１のように、ビール樽の温度は表示出来ても、人手による減圧弁の調整が必要であり、管理上不安が残る。   However, in the above-described conventional example, even if the temperature of the beer barrel can be displayed as in Patent Document 1, manual adjustment of the pressure reducing valve is necessary, and management is uneasy.

本発明は、上述の点に着目して成されたもので、人手が掛からず、ビール温度に近似の室温を感知してその温度に適応する炭酸ガス圧を自動で調整できる感温式自動減圧弁を提供することを目的とする。   The present invention is made by paying attention to the above-mentioned points, and is a temperature-sensitive automatic decompression that does not require manual labor and that can sense a room temperature approximate to the beer temperature and automatically adjust the carbon dioxide pressure adapted to that temperature. The purpose is to provide a valve.

本発明は、下記構成を備えることにより上記課題を解決できるものである。   This invention can solve the said subject by providing the following structure.

（１）バネ部材の伸縮により弁棒を作動してガス流路の開度を調整する弁部を有し、二次側のガス圧力を一次側のガス圧力よりも低い所望の圧力に調整する感温式自動減圧弁であって、弁棒への押圧力を加減してガス流路の開度を調整する前記バネ部材に作用する押圧力調節用螺子部材の代りに温度変化に追従して体積が膨張収縮する液体を封入した感温ベローズ体を前記バネ部材の頭部に嵌合載設して成る感温式自動減圧弁。   (1) It has a valve portion that adjusts the opening of the gas flow path by operating the valve rod by expansion and contraction of the spring member, and adjusts the gas pressure on the secondary side to a desired pressure lower than the gas pressure on the primary side. It is a temperature-sensitive automatic pressure reducing valve that follows the temperature change instead of the pressing force adjusting screw member acting on the spring member that adjusts the opening of the gas flow path by adjusting the pressing force to the valve rod. A temperature-sensitive automatic pressure reducing valve formed by fitting and mounting a temperature-sensitive bellows body enclosing a liquid whose volume expands and contracts on the head of the spring member.

（２）感温ベローズ体の上面形状に係合する下面を有する上部材と、感温ベローズ体の下面形状に係合する上面を有する下部材との間に、感温ベローズ体を挟持してユニット化して成る前項（１）記載の感温式自動減圧弁。   (2) The temperature-sensitive bellows body is sandwiched between an upper member having a lower surface engaged with the upper surface shape of the temperature-sensitive bellows body and a lower member having an upper surface engaged with the lower surface shape of the temperature-sensitive bellows body. The temperature-sensitive automatic pressure reducing valve according to item (1), which is formed as a unit.

（３）前記感温ベローズ体に封入する液体は、アルコール系の液体である前項（１）記載の感温式自動減圧弁。   (3) The temperature-sensitive automatic pressure reducing valve according to (1), wherein the liquid sealed in the temperature-sensitive bellows body is an alcohol-based liquid.

感温ベローズ体を用いることで、人手が掛からず、ビール温度に近似の室温を感知してその温度に適応する炭酸ガス圧を自動で調整でき、圧力不足で気抜けビールになったり、また過剰な圧力によりＣＯ２が多く混入して苦味が多くなったりすることなく、美味しいビールが約束される感温式自動減圧弁を提供することができる。 By using a temperature-sensitive bellows body, it is possible to sense the room temperature close to the beer temperature and automatically adjust the carbon dioxide pressure that adapts to that temperature, and it becomes a loose beer due to insufficient pressure, or excessive It is possible to provide a temperature-sensitive automatic pressure reducing valve that promises delicious beer without adding much CO 2 due to pressure and increasing bitterness.

以下に、本発明に係る感温式自動減圧弁の実施の形態を図面を参照して説明する。   Embodiments of a temperature-sensitive automatic pressure reducing valve according to the present invention will be described below with reference to the drawings.

図１は、実施例１における感温式自動減圧弁の要部構成を示す縦断面図、図２は、実施例２における感温式自動減圧弁の要部構成を示す縦断面図、図３は、実施例１における感温ベローズユニットを構成する感温ベローズ体の形状を示す断面図、図４は、実施例２における感温ベローズユニットを構成する感温ベローズ体の形状を示す断面図、図５は、本発明の感温式自動減圧弁を用いたビールサーバーまでの構成の一例を示す説明図、図６は、ビール温度（≒室温）とガス圧の関係を示すグラフである。   FIG. 1 is a longitudinal sectional view showing a main part configuration of a temperature-sensitive automatic pressure reducing valve in Example 1, and FIG. 2 is a longitudinal sectional view showing a main part configuration of a temperature-sensitive automatic pressure reducing valve in Example 2. FIG. FIG. 4 is a cross-sectional view showing the shape of the temperature-sensitive bellows body constituting the temperature-sensitive bellows unit in Example 1, and FIG. 4 is a cross-sectional view showing the shape of the temperature-sensitive bellows body constituting the temperature-sensitive bellows unit in Example 2. FIG. 5 is an explanatory diagram showing an example of the configuration up to a beer server using the temperature-sensitive automatic pressure reducing valve of the present invention, and FIG. 6 is a graph showing the relationship between beer temperature (≈room temperature) and gas pressure.

図５は、ビールタンクからビールをビールサーバーへ供給するまでの構成の一例を示す説明図である。   FIG. 5 is an explanatory diagram illustrating an example of a configuration from supplying beer to a beer server from a beer tank.

炭酸ガスボンベ１０１を本発明の感温式自動減圧弁ＰＲＶを介してビールタンク（ビール樽）１０４とガスホース１０８で接続し、ビールタンク１０４中のビールに炭酸ガス圧を与え、タンク１０４中のビールをビールホース１０９を介してビールサーバー１０５へ送給する。１０２は炭酸ガスボンベ１０１内の圧力（１次側圧力）を指示する圧力計、１０３は感温式自動減圧弁ＰＲＶで減圧した後の２次側圧力を指示する圧力計である。   The carbon dioxide gas cylinder 101 is connected to the beer tank (beer barrel) 104 and the gas hose 108 via the temperature-sensitive automatic pressure reducing valve PRV of the present invention, the carbon dioxide gas pressure is applied to the beer in the beer tank 104, and the beer in the tank 104 is The beer is supplied to the beer server 105 via the beer hose 109. Reference numeral 102 denotes a pressure gauge that indicates the pressure in the carbon dioxide gas cylinder 101 (primary side pressure), and 103 is a pressure gauge that indicates the secondary side pressure after the pressure is reduced by the temperature-sensitive automatic pressure reducing valve PRV.

一般的な既存の減圧弁を一部改造して実現できる構造であり、バネ部材１の伸縮により弁棒２を作動してガス流路の開度を調整する弁部３を有し、二次側のガス圧力を一次側のガス圧力よりも低い所望の圧力に調整する減圧弁であって、弁棒２への押圧力を加減してガス流路の開度を調整する前記バネ部材１に作用する押圧力調節用螺子部材の代りに温度変化に追従して体積が膨張収縮する液体を封入した感温ベローズ体４を前記バネ部材１の頭部に嵌合載設して成ることを特徴とする。   It is a structure that can be realized by partially modifying a general existing pressure reducing valve, and has a valve portion 3 that operates the valve rod 2 by adjusting the expansion and contraction of the spring member 1 and adjusts the opening of the gas flow path. A pressure reducing valve that adjusts the gas pressure on the side to a desired pressure lower than the gas pressure on the primary side, and adjusts the opening of the gas flow path by adjusting the pressing force on the valve rod 2. A temperature-sensitive bellows body 4 in which a liquid whose volume expands and contracts following a temperature change is fitted and mounted on the head of the spring member 1 is used in place of the acting pressing force adjusting screw member. And

感温ベローズ体４の上面形状に係合する下面を有する上部材７と、感温ベローズ体４の下面形状に係合する上面を有する下部材８との間に、感温ベローズ体４を挟持してユニット化し、感温ベローズユニットＢＹとしてある。   The temperature-sensitive bellows body 4 is sandwiched between an upper member 7 having a lower surface engaged with the upper surface shape of the temperature-sensitive bellows body 4 and a lower member 8 having an upper surface engaged with the lower surface shape of the temperature-sensitive bellows body 4. The unit is made into a temperature-sensitive bellows unit BY.

球体（ボール）６を、感温ベローズ体４を上下から挟持して成るベローズユニットＢＹの上部材７の円錐形凹部７ａにあてがい、上方より設定用ネジ部材５により適正な押圧力でベローズユニットＢＹをバネ部材１の頭部に嵌合載設する。バネ部材１は、中心部に孔の開いたバネ受皿体９に載置され、このバネ受皿体９は中心部に孔がバネ受皿体９の孔に係合して設けられたダイヤフラム板部材１０を挟んで中間部材１１が下方から密着するようにかしめ部１１ａでダイヤフラム板部材１０を挟んでバネ受皿体９と、中間部材１１とを接合してサンドイッチ状に構成されている。   The spherical body (ball) 6 is applied to the conical recess 7a of the upper member 7 of the bellows unit BY formed by sandwiching the temperature-sensitive bellows body 4 from above and below, and the bellows unit BY with an appropriate pressing force by the setting screw member 5 from above. Is fitted and placed on the head of the spring member 1. The spring member 1 is placed on a spring tray 9 having a hole in the center, and the spring plate 9 has a diaphragm plate member 10 provided in the center with a hole engaging the hole of the spring tray 9. The spring plate 9 and the intermediate member 11 are joined by sandwiching the diaphragm plate member 10 at the caulking portion 11a so that the intermediate member 11 is in close contact with the intermediate member 11 from below.

中間部材１１の下面中心部には逆円錐形の凹部が設けられ、弁部３を有する弁棒２の頭部が当接して配され、また弁部３の弁パッキン３ａは弁座１２に係合して接離開閉自在に配されている。弁用バネ部３ｂは弁部３を介して弁棒２を上方に押し上げるように付勢して設けられている。またダイヤフラム板部材１０の周縁部は外周に伸びて設けられ弁本体の上部ボディーＵＢと下部ボディーＬＢとに挟持されて確固に支持されている。尚、球体（ボール）６は、上部材７の円錐形凹部７ａと対を成してバネ部材１に対する設定用ネジ部材５の押圧設定時の芯出し用の役目を成す。   A concave portion having an inverted conical shape is provided at the center of the lower surface of the intermediate member 11, and the head of the valve stem 2 having the valve portion 3 is disposed in contact therewith, and the valve packing 3 a of the valve portion 3 is engaged with the valve seat 12. Combined, it can be opened and closed freely. The valve spring portion 3b is urged so as to push up the valve stem 2 through the valve portion 3. Further, the peripheral edge portion of the diaphragm plate member 10 extends to the outer periphery, and is firmly supported by being sandwiched between the upper body UB and the lower body LB of the valve body. The spherical body (ball) 6 forms a pair with the conical recess 7 a of the upper member 7 and serves as a centering when the setting screw member 5 is pressed against the spring member 1.

感温ベローズ体４に封入する液体は、アルコール系の液体であり、取り扱い上、毒性や危険性が無いか、または余り問題にならず、熱膨張係数が出来るだけ大きい液体が好適である。熱膨張性を有する液体としては、例えばエチルアルコール（エタノール）を挙げることができる。   The liquid to be sealed in the temperature-sensitive bellows body 4 is an alcohol-based liquid, and is preferably a liquid that has no toxicity or danger in handling, or that has no problem, and has a thermal expansion coefficient as large as possible. Examples of the liquid having thermal expansibility include ethyl alcohol (ethanol).

実施例１では、図１及び図３に示すように、感温ベローズ体は高さＨの厚みの有る円筒形筐体であって、高さＨが一様な寸法を有しており、側面は伸縮し易いように襞を設けてある。   In Example 1, as shown in FIGS. 1 and 3, the temperature-sensitive bellows body is a cylindrical housing having a thickness of H, and the height H has a uniform dimension. Is provided with a hook so that it can be easily expanded and contracted.

図面に基いて作用を説明する。図１において、ガスボンベより供給される圧力の高いガスは弁部３と弁座１２との隙間を通ってビールタンク１０４へ供給される。この時、感温ベローズ体４は封入された液体の特性に応じてビール温度に近似の室温を感知して作動し、温度が上がれば感温ベローズ体４は膨張して高さＨが大きくなる方向へ動き、この押圧力に応じてバネ部材１に力が加わりバネ受皿体９、ダイヤフラム板部材１０と、中間部材１１を介して弁棒２を押し下げ、弁部３の弁パッキン３ａと弁座１２との隙間が広がる方向に離隔し、先刻よりも高いガス圧が供給される。この時、弁用バネ部３ｂは弁部３を閉じる方向に力が働いて弁部３と弁座１２は振動する不安定な状態の発生を回避出来る。   The operation will be described with reference to the drawings. In FIG. 1, high-pressure gas supplied from a gas cylinder is supplied to the beer tank 104 through a gap between the valve portion 3 and the valve seat 12. At this time, the temperature-sensitive bellows body 4 operates by sensing a room temperature approximate to the beer temperature according to the characteristics of the enclosed liquid, and when the temperature rises, the temperature-sensitive bellows body 4 expands and the height H increases. In response to this pressing force, a force is applied to the spring member 1 to push down the valve stem 2 via the spring receiving body 9, the diaphragm plate member 10, and the intermediate member 11, and the valve packing 3a of the valve portion 3 and the valve seat 12 is separated in the direction in which the gap with the gas 12 widens, and a gas pressure higher than the previous time is supplied. At this time, it is possible to avoid the occurrence of an unstable state in which the valve spring 3b is vibrated in the direction in which the valve 3 is closed and the valve 3 and the valve seat 12 vibrate.

換言すれば、弁用バネ部３ｂの作用により弁棒２が中間部材１１を介してダイヤフラム板部材１０の動きに対し正確に追従できる構成となっている。   In other words, the valve stem 2 can accurately follow the movement of the diaphragm plate member 10 via the intermediate member 11 by the action of the valve spring portion 3b.

実施例２は、図２及び図４に示すように、感温ベローズ体の形状を変化させた場合の例である。断面が凹形類似の形状で、中央部の高さＨＣが襞を有する側面の高さＨと同じ寸法であり、体膨張したときの高さの変位が一様に伝われば良い。   Example 2 is an example in which the shape of the temperature-sensitive bellows body is changed as shown in FIGS. 2 and 4. The cross-sectional shape is similar to the concave shape, the height HC of the central portion is the same as the height H of the side surface having the ridges, and the height displacement when the body expands can be transmitted uniformly.

図４において、感温ベローズユニットＢＹ−Ｏは断面凹類似形感温ベローズ体４０を挟んで感温ベローズ体４０の上面形状に係合する下面を有する下面凸形の上部材７０と、感温ベローズ体４０の下面形状に係合する上面凹形の下部材８０との間に、感温ベローズ体４０を挟持してユニット化して構成され、上部材７０の上面には球体（ボール）６を受ける円錐状凹部７０ａが設けられ、バネ部材１に対する設定用ネジ部材５の押圧設定時の芯出し用の役目を成している。   In FIG. 4, the temperature-sensitive bellows unit BY-O includes a bottom convex upper member 70 having a bottom surface that engages with the top surface shape of the temperature-sensitive bellows body 40 with a concave cross-section-like temperature-sensitive bellows body 40 interposed therebetween, The temperature-sensitive bellows body 40 is sandwiched between the lower member 80 having a concave shape on the upper surface that engages with the lower surface shape of the bellows body 40, and a sphere (ball) 6 is formed on the upper surface of the upper member 70. A conical recess 70a is provided, and serves as a centering when the setting screw member 5 is pressed against the spring member 1.

その他の構成及び作用は、実施例１の場合と同様であるので説明を省略する。   Other configurations and operations are the same as those in the case of the first embodiment, and a description thereof will be omitted.

図６は、ビール温度に対する炭酸ガスのガス圧の関係を示すグラフである。
このグラフから、（生）ビールの場合、例えばビール温度（≒室温）が２５℃の時の炭酸ガスの適正圧力は、０．２８〜０．３０ＭＰａ（２．８〜３．０ ｋｇｆ／ｃｍ２）であり、この条件が満たされた時が、炭酸ガスがビール中に適度に溶け込んで、飲んだ時に美味しいと感ずる状態である。 FIG. 6 is a graph showing the relationship of carbon dioxide gas pressure to beer temperature.
From this graph, in the case of (raw) beer, for example, the appropriate pressure of carbon dioxide when the beer temperature (≈room temperature) is 25 ° C. is 0.28 to 0.30 MPa (2.8 to 3.0 kgf / cm 2). ) And when this condition is satisfied, the carbon dioxide gas is properly dissolved in the beer, and when it is drunk, it feels delicious.

本発明は、この好ましい状態を自動で調整できる感温式自動減圧弁である。   The present invention is a temperature-sensitive automatic pressure reducing valve capable of automatically adjusting this preferable state.

尚、感温ベローズ体及び感温ベローズユニットの形状は、本願発明で示した実施例の形状に限定するものではなく、また、容積についても、使用する封入液の性質を考慮して決定することが出来る。   The shape of the temperature-sensitive bellows body and the temperature-sensitive bellows unit is not limited to the shape of the embodiment shown in the present invention, and the volume is also determined in consideration of the properties of the sealing liquid used. I can do it.

実施例１における感温式自動減圧弁の要部構成を示す縦断面図The longitudinal cross-sectional view which shows the principal part structure of the temperature-sensitive automatic pressure reducing valve in Example 1 実施例２における感温式自動減圧弁の要部構成を示す縦断面図The longitudinal cross-sectional view which shows the principal part structure of the temperature-sensitive automatic pressure reducing valve in Example 2 実施例１における感温ベローズユニットを構成する感温ベローズ体の形状を示す断面図Sectional drawing which shows the shape of the temperature sensitive bellows body which comprises the temperature sensitive bellows unit in Example 1. FIG. 実施例２における感温ベローズユニットを構成する感温ベローズ体の形状を示す断面図Sectional drawing which shows the shape of the temperature sensitive bellows body which comprises the temperature sensitive bellows unit in Example 2. FIG. 本発明の感温式自動減圧弁を用いたビールサーバーまでの構成の一例を示す説明図Explanatory drawing which shows an example of the structure to the beer server using the temperature-sensitive automatic pressure reducing valve of the present invention ビール温度（≒室温）とガス圧の関係を示すグラフGraph showing the relationship between beer temperature (≒ room temperature) and gas pressure

符号の説明Explanation of symbols

１ バネ部材
２ 弁棒
３ 弁部
３ａ 弁パッキン
３ｂ 弁用バネ部
４、４０ 感温ベローズ体
５ 設定用ネジ部材
６ 球体（ボール）
７、７０ 上部材
８、８０ 下部材
９ バネ受皿体
１０ ダイヤフラム板部材
１１ 中間部材
１１ａ かしめ部
１１ｂ 凹部
１２ 弁座
ＢＹ、ＢＹ−Ｏ 感温ベローズユニット
ＰＲＶ 感温式自動減圧弁
１０１ 炭酸ガスボンベ
１０２ １次側（ボンベ側）圧力計
１０３ ２次側（調節側）圧力計
１０４ ビールタンク（ビール樽）
１０５ ビールサーバー
１０６ ビール注ぎ口
１０７ ジョッキ
１０８ ガスホース
１０９ ビールホース DESCRIPTION OF SYMBOLS 1 Spring member 2 Valve stick 3 Valve part 3a Valve packing 3b Spring part for valves 4, 40 Temperature-sensing bellows body 5 Setting screw member 6 Sphere (ball)
7, 70 Upper member 8, 80 Lower member 9 Spring tray body 10 Diaphragm plate member 11 Intermediate member 11a Caulking portion 11b Recess 12 Valve seat BY, BY-O Temperature-sensitive bellows unit PRV Temperature-sensitive automatic pressure reducing valve 101 Carbon dioxide cylinder 102 1 Secondary side (cylinder side) pressure gauge 103 Secondary side (regulation side) pressure gauge 104 Beer tank (beer barrel)
105 Beer server 106 Beer spout 107 Mug 108 Gas hose 109 Beer hose

Claims (3)

バネ部材の伸縮により弁棒を作動してガス流路の開度を調整する弁部を有し、二次側のガス圧力を一次側のガス圧力よりも低い所望の圧力に調整する感温式自動減圧弁であって、弁棒への押圧力を加減してガス流路の開度を調整する前記バネ部材に作用する押圧力調節用螺子部材の代りに温度変化に追従して体積が膨張収縮する液体を封入した感温ベローズ体を前記バネ部材の頭部に嵌合載設して成ることを特徴とする感温式自動減圧弁。   A temperature-sensitive type that has a valve part that adjusts the opening of the gas flow path by operating the valve rod by expansion and contraction of the spring member, and adjusts the gas pressure on the secondary side to a desired pressure lower than the gas pressure on the primary side It is an automatic pressure reducing valve that adjusts the pressure on the valve rod and adjusts the opening of the gas flow path. Instead of the pressure adjusting screw member acting on the spring member, the volume expands following the temperature change. A temperature-sensitive automatic pressure reducing valve, wherein a temperature-sensitive bellows body enclosing a contracting liquid is fitted and mounted on the head of the spring member. 感温ベローズ体の上面形状に係合する下面を有する上部材と、感温ベローズ体の下面形状に係合する上面を有する下部材との間に、感温ベローズ体を挟持してユニット化して成ることを特徴とする請求項１記載の感温式自動減圧弁。   The temperature-sensitive bellows body is sandwiched between the upper member having a lower surface that engages with the upper surface shape of the temperature-sensitive bellows body and the lower member having the upper surface that engages with the lower surface shape of the temperature-sensitive bellows body. The temperature-sensitive automatic pressure reducing valve according to claim 1, wherein 前記感温ベローズ体に封入する液体は、アルコール系の液体であることを特徴とする請求項１記載の感温式自動減圧弁。   2. The temperature-sensitive automatic pressure reducing valve according to claim 1, wherein the liquid sealed in the temperature-sensitive bellows body is an alcohol-based liquid.
JP2004308242A 2004-10-22 2004-10-22 Thermosensitive automatic pressure reducing valve Withdrawn JP2006119981A (en)

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Publications (1)

Publication Number Publication Date
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Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010087475A1 (en) * 2009-02-02 2010-08-05 株式会社ケーヒン Pressure reducing valve
KR101016625B1 (en) 2008-09-08 2011-02-23 인지컨트롤스 주식회사 Heat reactivity valve

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101016625B1 (en) 2008-09-08 2011-02-23 인지컨트롤스 주식회사 Heat reactivity valve
WO2010087475A1 (en) * 2009-02-02 2010-08-05 株式会社ケーヒン Pressure reducing valve
JP2010198587A (en) * 2009-02-02 2010-09-09 Keihin Corp Pressure reducing valve
KR101254897B1 (en) 2009-02-02 2013-04-15 가부시키가이샤게힌 Pressure reducing valve
EP2385437A4 (en) * 2009-02-02 2017-02-22 Keihin Corporation Pressure reducing valve

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