JPH11325778A - Finned tube and manufacture thereof - Google Patents
Finned tube and manufacture thereofInfo
- Publication number
- JPH11325778A JPH11325778A JP26710798A JP26710798A JPH11325778A JP H11325778 A JPH11325778 A JP H11325778A JP 26710798 A JP26710798 A JP 26710798A JP 26710798 A JP26710798 A JP 26710798A JP H11325778 A JPH11325778 A JP H11325778A
- Authority
- JP
- Japan
- Prior art keywords
- fin
- outer peripheral
- tube
- metal tube
- peripheral surface
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
- F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/34—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending obliquely
- F28F1/36—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending obliquely the means being helically wound fins or wire spirals
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、一般に自動車、建
設機械、その他各種の装置などの気体・液体冷却管ある
いは空調器、冷凍冷蔵庫、その他化学設備の冷媒冷却管
として多用される管径３０ｍｍ程度以下の比較的細径か
らなるフィンチューブとその製造方法に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pipe having a diameter of about 30 mm, which is generally used as a gas / liquid cooling pipe for automobiles, construction machines and other various devices, or as a cooling pipe for air conditioners, refrigerators and other chemical equipment. The present invention relates to a fin tube having a relatively small diameter and a method for manufacturing the same.
【０００２】[0002]
【従来の技術】従来、この種のフィンチューブおよびそ
の製造方法としては例えば図２０に示すように、金属管
Ｐ′の外周面に一定幅で両側面ともに平滑な長尺金属帯
材をもってその幅手方向に螺旋状に巻付けてフィン部材
１１を形成せしめて、金属管Ｐ′に固設して構成されて
いた。2. Description of the Related Art Conventionally, as a fin tube of this type and a method of manufacturing the same, for example, as shown in FIG. The fin member 11 is formed by being spirally wound in the hand direction and fixed to the metal tube P '.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、このよ
うな従来の技術においては、前記フィン部材１１のなす
単に一定幅で両側面が平滑な長尺帯材による巻付け構造
によるため、帯材の巻付け成形時の傾き、あるいは金属
管Ｐ′側の細径に関連してフィン部材１１の幅の制限を
余儀なくされ、フィンでの放熱性能を高めるために有効
な十分な表面積が得られず、かつ境界層が存在するため
放熱による熱交換機能を未だ効果的に発揮し得ない問題
を有し、その改善が望まれる現状にある。However, in such a conventional technique, since the fin member 11 is formed of a long band material having a simple width and both side surfaces being smooth, the band material is wound. The width of the fin member 11 is inevitably limited due to the inclination at the time of forming or the small diameter on the side of the metal tube P ′, and a sufficient surface area effective for improving the heat radiation performance of the fin cannot be obtained, and Due to the existence of the boundary layer, there is still a problem that the heat exchange function by heat dissipation cannot be exhibited effectively, and there is a demand for improvement thereof.
【０００４】本発明は従来技術の有する前記問題に鑑み
てなされたものであり、無理なく巻回して容易に形成す
ることのできるフィン部材の構造により、フィン部材の
なす放熱性能を高めるために有効な十分な表面積が得ら
れ、それぞれのフィン・ブレードの側面部での凹凸によ
り発生する空気の渦巻き状の流れによる境界層の剥離に
よって、フィンチューブとしての放熱交換効率を高めて
その性能を向上せしめることを目的とするものである。The present invention has been made in view of the above-mentioned problems of the prior art, and is effective in improving the heat radiation performance of a fin member by using a structure of the fin member that can be easily wound and formed easily. Sufficient surface area is obtained, and the boundary layer is separated by the spiral flow of air generated by the unevenness on the side surface of each fin blade, thereby increasing the heat exchange efficiency as a fin tube and improving its performance The purpose is to do so.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するため
本発明の第１の実施態様は、金属管の外周面に金属帯材
によるフィン部材を螺旋状に巻付けてなるフィンチュー
ブにおいて、前記フィン部材は、その外周端縁側に開口
する間隔を置いた複数のスリットあるいは凹溝によるフ
ィン・ブレードの形状となして金属管の外周面に巻回、
固設されて構成したフィンチューブを特徴とするもので
ある。According to a first embodiment of the present invention, there is provided a fin tube in which a fin member made of a metal band is spirally wound around an outer peripheral surface of a metal tube. The fin member is wound around the outer peripheral surface of the metal tube in the form of a fin blade formed by a plurality of slits or concave grooves spaced apart to be opened on the outer peripheral edge side,
The fin tube is characterized by being fixedly provided.
【０００６】また本発明の第２の実施態様は、金属管の
外周面に金属帯材によるフィン部材を螺旋状に巻付けて
なるフィンチューブにおいて、前記フィン部材は、その
外周端縁のなす複数のスリットあるいは凹溝により離設
したそれぞれのフィン・ブレードの径方向の断面を、同
一方向に波状あるいは弯曲状もしくは交互に相対方向へ
の弯曲状または相互に異なる方向への屈曲状の形状とな
して金属管の外周面に巻回、固設されて構成したフィン
チューブを特徴とするものである。According to a second embodiment of the present invention, there is provided a fin tube in which a fin member made of a metal strip is spirally wound around the outer peripheral surface of a metal tube, wherein the fin member has a plurality of outer peripheral edges. The radial cross section of each fin blade separated by a slit or groove is not wavy or curved in the same direction, alternately curved in the relative direction, or bent in different directions. And a fin tube wound around and fixed to the outer peripheral surface of the metal tube.
【０００７】さらに本発明の第３の実施例は、金属管の
外周面に金属帯材によるフィン部材を螺旋状に巻付けて
なるフィンチューブにおいて、前記フィン部材は、複数
のスリットあるいは凹溝が形成された最終端縁の少なく
とも一部に少なくとも一側面側に突出するエッジ状の突
条を有するフィン・ブレードの形状となして金属管の外
周面に巻回、固設されて構成したフィンチューブを特徴
とするものである。Further, a third embodiment of the present invention is directed to a fin tube in which a fin member made of a metal band is spirally wound around the outer peripheral surface of a metal tube, wherein the fin member has a plurality of slits or grooves. A fin tube formed in a shape of a fin blade having an edge-shaped ridge protruding at least on one side at least at a part of the formed final edge, wound around the outer peripheral surface of the metal tube, and fixedly provided. It is characterized by the following.
【０００８】そして本発明の第４の実施態様は、金属管
の外周面に金属帯材によるフィン部材を螺旋状に巻付け
てなるフィンチューブにおいて、前記フィン部材は、そ
の外周端縁側に開口する間隔を置いた複数のスリットあ
るいは凹溝を有するとともに、少なくとも内周端縁側に
径方向に伸びる皺状部分が形成されたフィン・ブレード
の形状となして金属管の外周面に巻回、固設されて構成
したフィンチューブを特徴とするものである。According to a fourth embodiment of the present invention, there is provided a fin tube in which a fin member made of a metal band is spirally wound around an outer peripheral surface of a metal tube, wherein the fin member is opened on the outer peripheral edge side. It has a plurality of slits or concave grooves at intervals, and has a shape of a fin blade with a wrinkle-shaped portion extending at least on the inner peripheral edge side in the radial direction, and is wound and fixed on the outer peripheral surface of the metal tube. It is characterized by a fin tube configured as described above.
【０００９】またさらに本発明の第５の実施態様は、金
属管の外周面に金属帯材によるフィン部材を螺旋状に巻
付けてなるフィンチューブにおいて、前記フィン部材
は、複数のスリットあるいは凹溝が形成された外周端縁
の少なくとも一部に少なくとも一側面側に突出するエッ
ジ状の突条を有するとともに、少なくとも内周端縁側に
径手方向に伸びる皺状部分が形成されたフィン・ブレー
ドの形状となして金属管の外周面に巻回、固設されて構
成したフィンチューブを特徴とするものである。In a fifth embodiment of the present invention, there is provided a fin tube formed by spirally winding a fin member made of a metal strip around an outer peripheral surface of a metal tube, wherein the fin member has a plurality of slits or grooves. A fin blade having an edge-shaped ridge protruding at least on one side surface on at least a part of an outer peripheral edge formed with a wrinkled portion extending in a radial direction at least on an inner peripheral edge side. The present invention is characterized by a fin tube which is formed into a shape and wound and fixed on the outer peripheral surface of a metal tube.
【００１０】さらにまた本発明の前記第１〜５の実施態
様において前記スリットは、対向側面が波状もしくは鋸
歯状または稲妻状をなし、また前記凹溝はほぼＵ字状あ
るいはほぼサインカーブ状をなすことが好ましい。Further, in the first to fifth embodiments of the present invention, the slit has a wavy or saw-toothed or lightning-like side surface, and the concave groove has a substantially U-shaped or substantially sinusoidal shape. Is preferred.
【００１１】つぎに本発明の第６の実施態様は、予め幅
手方向の一方の端縁部に、長手方向に間隔を置いて複数
のスリットまたは凹溝を設けたフィン部材としての帯材
を、該スリットあるいは凹溝部を外周側に位置して金属
管の前方への回動に伴いその外周面に螺旋状に巻回せし
め、次いで少くともその長手方向の両端部を該金属管の
外周面にろう付けまたは溶接して固設せしめてなるフィ
ンチューブの製造方法を特徴とするものである。Next, a sixth embodiment of the present invention is to provide a band member as a fin member having a plurality of slits or grooves provided at one end edge in the width direction in advance at intervals in the longitudinal direction. The slit or groove is positioned on the outer peripheral side, and is spirally wound around the outer peripheral surface of the metal tube with the forward rotation of the metal tube. Then, at least both ends in the longitudinal direction are connected to the outer peripheral surface of the metal tube. The method is characterized by a method of manufacturing a fin tube which is fixed by brazing or welding.
【００１２】また本発明の第７の実施態様は、フィン部
材としての帯材を、金属管の前方への回動に伴いその外
周面に螺旋状に巻回せしめるとともに、該帯材の外周端
縁部を径方向の外方より歯付きあるいは溝付きローラに
て内方へ押圧せしめて前記外周端縁部に周方向に間隔を
置いて複数のスリットまたは凹溝を形成せしめ、次いで
少くともその長手方向の両端部を該金属管の外周面にろ
う付けまたは溶接して固設せしめてなるフィンチューブ
の製造方法を特徴とするものである。According to a seventh embodiment of the present invention, a band as a fin member is spirally wound around the outer peripheral surface of the metal tube with the forward rotation of the metal tube, and the outer peripheral end of the band is formed. The edge is pressed inward with a toothed or grooved roller from the outside in the radial direction to form a plurality of slits or grooves at circumferentially spaced intervals on the outer peripheral edge, and then at least the The method is characterized by a method of manufacturing a fin tube in which both ends in the longitudinal direction are brazed or welded to the outer peripheral surface of the metal tube and fixed.
【００１３】さらに本発明の第７の実施態様は、予め規
定の幅寸法より僅かに広幅をなすフィン部材としての金
属帯材を、その一方の端縁部に長手方向に亘る複数のス
リットあるいは凹溝により離設したそれぞれのフィン・
ブレードの状態をもって、金属管の前方への回動に伴い
その外周面に巻回せしめて該帯材のフィン・ブレードの
なす外周端縁部を、有底溝を有するローラによって径方
向の内方に押圧して該フィン・ブレード部を同一方向へ
の波状あるいは弯曲状もしくは交互に相対方向への弯曲
状に形成せしめ、次いで少くともその長手方向の両端部
を金属管とろう付けまたは溶接して固設せしめてなるフ
ィンチューブの製造方法を特徴とするものである。In a seventh embodiment of the present invention, a metal strip as a fin member having a width slightly larger than a predetermined width is provided with a plurality of slits or recesses extending in the longitudinal direction at one end thereof. Each fin separated by a groove
With the state of the blade, the metal tube is wound around the outer peripheral surface as the metal tube is rotated forward, and the outer peripheral edge formed by the fin blade of the band material is radially inwardly moved by a roller having a bottomed groove. To form the fin blade portion in a wavy or curved shape in the same direction or alternately in a curved shape in a relative direction, and then brazing or welding at least both longitudinal ends thereof to a metal tube. It is characterized by a method of manufacturing a fin tube which is fixed.
【００１４】さらにまた本発明の第８の実施態様は、予
め規定の幅寸法より僅かに広幅をなすフィン部材として
の金属帯材を、その一方の端縁部に長手方向に亘る複数
のスリットあるいは凹溝により離設したそれぞれのフィ
ン・ブレードの状態をもって、金属管の前方への回動に
伴いその外周面に巻回せしめ、該帯材のフィン・ブレー
ドのなす外周端縁部を相互に異なる方向に屈曲するよう
塑性変形し、次いで少くともその長手方向の両端部を金
属管とろう付けまたは溶接して固設せしめてなるフィン
チューブの製造方法を特徴とするものである。Further, in an eighth embodiment of the present invention, a metal strip as a fin member having a width slightly larger than a predetermined width dimension is provided on one end edge thereof by a plurality of slits or With the state of each fin blade separated by the concave groove, the metal tube is wound around its outer peripheral surface with the forward rotation of the metal tube, and the outer peripheral edge formed by the fin blade of the band material is different from each other. The method is characterized by a method of manufacturing a fin tube which is plastically deformed so as to bend in a direction and then fixed at least at both ends in the longitudinal direction by brazing or welding to a metal tube.
【００１５】そして本発明の第９の実施態様は、予め幅
手方向の一方の端縁部に、長手方向に間隔を置いて複数
のスリットまたは凹溝を設けたフィン部材としての帯材
を、該スリットあるいは凹溝部を外周側に位置して金属
管の前方への回動に伴いその外周面に螺旋状に巻回せし
め、該帯材の外周端縁部を径方向の外方よりローラにて
内方へ押圧せしめて複数のスリットあるいは凹溝が形成
された外周端縁の少なくとも一部に両側面側に突出する
エッジ状の突条を形成し、次いで少くともその長手方向
の両端部を該金属管の外周面にろう付けまたは溶接して
固設せしめてなることを特徴とし、前記ローラは、該周
面が平滑であるか、溝付きであるか、歯車状の突起を有
するものであるフィンチューブの製造方法を特徴とする
ものである。According to a ninth embodiment of the present invention, a band member as a fin member having a plurality of slits or concave grooves provided at one end edge in the width direction at intervals in the longitudinal direction is provided. The slit or groove is located on the outer peripheral side, and is spirally wound around the outer peripheral surface of the metal tube with the forward rotation of the metal tube, and the outer peripheral edge of the band material is formed on the roller from the outside in the radial direction. To form an edge-shaped ridge protruding on both sides at least on a part of the outer peripheral edge where a plurality of slits or concave grooves are formed, and then at least the both ends in the longitudinal direction. The metal tube is fixed by brazing or welding to the outer peripheral surface thereof, and the roller has a smooth or grooved peripheral surface or a gear-shaped projection. It is characterized by a method of manufacturing a certain fin tube.
【００１６】またさらに本発明の第１０の実施態様は、
予め幅手方向の一方の端縁部に、一側面側に突出するエ
ッジ状の突条を形成されるとともに、長手方向に間隔を
置いて複数のスリットまたは凹溝を設けたフィン部材と
しての帯材を、該スリットあるいは凹溝部を外周側に位
置して金属管の前方への回動に伴いその外周面に螺旋状
に巻回せしめ、次いで少くともその長手方向の両端部を
該金属管の外周面にろう付けまたは溶接して固設せしめ
てなるフィンチューブの製造方法を特徴とするものであ
る。Still further, a tenth embodiment of the present invention provides:
A band as a fin member having a plurality of slits or concave grooves provided with an edge-like ridge projecting to one side surface in advance on one end edge in the width direction and having a plurality of slits or grooves provided in the longitudinal direction. The material is spirally wound around the outer peripheral surface of the metal tube with the slit or concave portion located on the outer peripheral side as the metal tube is rotated forward, and at least both ends in the longitudinal direction of the metal tube are connected to the metal tube. The present invention is characterized by a method of manufacturing a fin tube which is fixed by brazing or welding to an outer peripheral surface.
【００１７】また本発明の第１１の実施態様は、予め幅
手方向の一方の端縁部に、長手方向に間隔を置いて複数
のスリットまたは凹溝を設け、かつ少なくとも他方の端
縁部に幅手方向に伸びる波形部分を形成したフィン部材
としての帯材を、該スリットあるいは凹溝部を外周側に
位置して金属管の前方への回動に伴いその外周面に螺旋
状に巻回せしめて前記波形部分を皺状部分となし、次い
で少くともその長手方向の両端部を該金属管の外周面に
ろう付けまたは溶接して固設せしめてなるフィンチュー
ブの製造方法を特徴とするものである。According to an eleventh embodiment of the present invention, a plurality of slits or concave grooves are provided on one edge in the width direction in advance at intervals in the longitudinal direction, and at least the other edge is provided on the other edge. A band material as a fin member having a corrugated portion extending in the width direction is spirally wound around the outer peripheral surface of the metal tube as the metal tube is rotated forward with the slit or concave portion positioned on the outer peripheral side. Forming a corrugated portion into a wrinkled portion, and then brazing or welding at least both longitudinal ends of the fin tube to the outer peripheral surface of the metal tube, thereby fixing the fin tube. is there.
【００１８】さらにまた本発明の第１２の実施態様は、
予め幅手方向の一方の端縁部に、長手方向に間隔を置い
て複数のスリットまたは凹溝を設け、かつ少なくとも他
方の端縁部に幅手方向に伸びる波形部分を形成したフィ
ン部材としての帯材を、該スリットあるいは凹溝部を外
周側に位置して金属管の前方への回動に伴いその外周面
に螺旋状に巻回せしめて前記波形部分を皺状部分となす
とともに、該帯材の外周端縁部を径方向の外方よりロー
ラにて内方へ押圧せしめて複数のスリットあるいは凹溝
が形成された外周端縁の少なくとも一部に両側面側に突
出するエッジ状の突条を形成し、次いで少くともその長
手方向の両端部を該金属管の外周面にろう付けまたは溶
接して固設せしめてなることを特徴とし、さらに前記ロ
ーラは、該周面が平滑であるか、溝付きであるか、歯車
状の突起を有するものであるフィンチューブの製造方法
を特徴とするものである。A twelfth embodiment of the present invention further comprises:
A fin member in which a plurality of slits or concave grooves are provided at one end edge in the width direction in advance at intervals in the longitudinal direction, and at least the other edge portion has a corrugated portion extending in the width direction. The band material is spirally wound around the outer peripheral surface of the metal tube with the slit or the concave groove portion located on the outer peripheral side as the metal tube is rotated forward, so that the corrugated portion becomes a wrinkled portion, and the band is formed. The outer peripheral edge of the material is pressed inward by a roller from the outside in the radial direction, and at least a part of the outer peripheral edge in which a plurality of slits or concave grooves are formed, an edge-shaped protrusion protruding to both side surfaces. Forming a strip, and then brazing or welding at least both ends in the longitudinal direction to the outer peripheral surface of the metal tube, and further, the roller has a smooth peripheral surface. Or grooved or with gear-shaped projections Manufacturing method of the in which the fin tube is characterized in.
【００１９】さらに本発明の第１３の実施態様は、予め
幅手方向の一方の端縁部に、一側面側に突出するエッジ
状の突条を形成されるとともに、長手方向に間隔を置い
て複数のスリットまたは凹溝を設けかつ少なくとも他方
の端縁部に幅手方向に伸びる波形部分を形成したフィン
部材としての帯材を、該スリットあるいは凹溝部を外周
側に位置して金属管の前方への回動に伴いその外周面に
螺旋状に巻回せしめて前記波形部分を皺状部分となし、
次いで少くともその長手方向の両端部を該金属管の外周
面にろう付けまたは溶接して固設せしめてなるフィンチ
ューブの製造方法を特徴とするものである。Further, in a thirteenth embodiment of the present invention, an edge-shaped ridge projecting toward one side is formed at one end edge in the width direction in advance and is spaced apart in the longitudinal direction. A band material as a fin member having a plurality of slits or grooves and a corrugated portion extending in the width direction at least at the other end portion is placed in front of the metal pipe with the slits or grooves positioned on the outer peripheral side. The spiral part is wound around the outer peripheral surface with the rotation to make the waveform part a wrinkle part,
Next, at least both ends in the longitudinal direction of the metal tube are brazed or welded to the outer peripheral surface of the metal tube, and the metal tube is fixedly provided.
【００２０】本発明は以上のように構成されかつその製
造方法によるため、予めフィン部材としての長尺帯材の
状態でプレス加工やギア加工などにより間隔を置いて前
記複数のスリットや凹溝を簡易に得たり、または螺旋状
に巻回する際に同時に該複数のスリットや凹溝を簡易に
得ることができ、したがって金属管への巻回を容易に行
うことができてフィン部材のなす放熱性能を向上するた
めに有効な表面積を十分に有するフィン部材を得ること
ができ、同時にそれぞれのフィン・ブレードのなすスリ
ットや凹溝、外周端縁側の突条、内周端縁側の皺状部分
による空気の渦巻き状の流れや長尺化したエッジ部での
渦の発生に伴う境界層の剥離による放熱効果とによって
フィンチューブの放熱交換効率を促進してその性能を向
上することができることとなる。Since the present invention is constructed as described above and is based on the manufacturing method, the plurality of slits and concave grooves are previously formed at intervals by press working or gear working in the state of a long strip material as a fin member. The plurality of slits or grooves can be easily obtained at the same time as being easily obtained or spirally wound, so that the metal tube can be easily wound, and the heat dissipated by the fin member can be easily obtained. A fin member having a sufficient surface area effective for improving performance can be obtained, and at the same time, a slit or a concave groove formed by each fin blade, a ridge on the outer peripheral edge side, a wrinkled portion on the inner peripheral edge side. The heat exchange effect of the fin tube can be promoted and the performance can be improved by the heat dissipation effect by the separation of the boundary layer caused by the spiral flow of air and the generation of the vortex at the elongated edge. And thus.
【００２１】[0021]
【発明の実施の形態】以下、本発明を添付図面に基いて
説明すれば、図１は本発明の製造方法の一実施例によっ
て構成された一部のフィンチューブの側面図、図２は図
１Ａ−Ａ線上の断面図、図３は他の実施例に係る図２相
当図、図４はさらに他の実施例に係る正面図、図５は図
４Ｂ−Ｂ線上の一部の断面図、図６は別の実施例に係る
図４相当図、図７は図６Ｃ−Ｃ線上の一部の断面図、図
８はさらに別の実施例に係る図４相当図、図９は図８Ｄ
−Ｄ線上の一部の断面図、図１０は本発明の製造方法の
一実施例に関連した図４、図５に示すフィン部材加工時
の一部の切欠きによる説明図、図１１は本発明の製造方
法に関連した図６、図７に示すフィン部材加工時の一部
の切欠きによる説明図、図１２は本発明の製造方法に関
連した図８、図９に示すフィン部材加工時の一部の切欠
きによる説明図、図１３はフィン部材のさらに別の実施
例に係る図５相当図、図１４は本発明のさらに他の実施
例のフィン部材を示す一部拡大正面図で、（ａ）はＵ字
状の凹溝を示す図、（ｂ）はサインカーブ状の凹溝を示
す図、図１５は図１４のフィン部材の製造方法の一実施
例を示す斜視図、図１６は本発明のさらに別の実施例に
係るフィン部材の一部拡大断面図で、（ａ）は一側面に
突出した突条を示す図、（ｂ）は両側面に突出した突条
を示す図、図１７は図１６（ｂ）の突条を有するフィン
部材の製造方法の一実施例を示す正面図、図１８は図１
６の突条を形成する他の実施例を示す一部拡大正面図、
図１９はフィン部材のさらに他の実施例を示す部分拡大
斜視図で、（ａ）は内周端縁側に皺状部分が形成された
ものを示す図、（ｂ）は幅手方向全体に径方向に伸びる
皺状部分が形成されたものを示す図であって、Ｐは金属
管、Ｒ−１〜Ｒ−５はローラ、１−１〜１−９はフィン
部材、２−１〜２−５はスリット、３−１、３−２は凹
溝、４−１、４−２は突条、５は歯車状の突起、６は皺
状部分である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the accompanying drawings. FIG. 1 is a side view of a part of a fin tube constituted by one embodiment of a manufacturing method of the present invention, and FIG. FIG. 3 is a sectional view taken along line 1A-A, FIG. 3 is a view corresponding to FIG. 2 according to another embodiment, FIG. 4 is a front view according to still another embodiment, FIG. FIG. 6 is a view corresponding to FIG. 4 according to another embodiment, FIG. 7 is a partial cross-sectional view taken along the line CC of FIG. 6, FIG. 8 is a view corresponding to FIG. 4 according to still another embodiment, and FIG.
FIG. 10 is a partial cross-sectional view taken along the line D, FIG. 10 is an explanatory view related to an embodiment of the manufacturing method of the present invention, which is partially cut out when processing the fin member shown in FIGS. 4 and 5, and FIG. FIGS. 6 and 7 related to the manufacturing method of the present invention, which are partially cutaway explanatory views during processing of the fin member. FIG. 12 is a view illustrating the manufacturing method of the present invention when processing the fin member illustrated in FIGS. 8 and 9. FIG. 13 is a view corresponding to FIG. 5 according to still another embodiment of the fin member, and FIG. 14 is a partially enlarged front view showing a fin member of still another embodiment of the present invention. (A) is a diagram showing a U-shaped groove, (b) is a diagram showing a sine curve-shaped groove, FIG. 15 is a perspective view showing one embodiment of a method for manufacturing the fin member of FIG. 16 is a partially enlarged cross-sectional view of a fin member according to still another embodiment of the present invention, and (a) shows a ridge projecting from one side. FIG, (b) is a diagram showing a protrusion protruding on both sides, Figure 17 is a front view showing one embodiment of a method of manufacturing the fin member having a projection of FIG. 16 (b), FIG. 18 FIG. 1
6, a partially enlarged front view showing another embodiment forming the ridge of No. 6;
19A and 19B are partially enlarged perspective views showing still another embodiment of the fin member, in which FIG. 19A shows a wrinkled portion formed on the inner peripheral edge side, and FIG. 19B shows a diameter in the entire width direction. It is a figure which shows what formed the wrinkle-shaped part extended in the direction, P is a metal tube, R-1 to R-5 are rollers, 1-1 to 1-9 are fin members, 2-1 to 2- 5 is a slit, 3-1 and 3-2 are concave grooves, 4-1 and 4-2 are ridges, 5 is a gear-shaped projection, and 6 is a wrinkled portion.
【００２２】金属管Ｐは鉄、ステンスレス、銅、真鍮あ
るいはアルミニウム材などによる管径３０ｍｍ程度以下
の比較的細径からなるものである。The metal pipe P is made of iron, stainless steel, copper, brass, aluminum or the like and has a relatively small diameter of about 30 mm or less.
【００２３】また、フィン部材１−１〜１−５は前記金
属管Ｐと同一材質もしくは別材質からなるものであっ
て、フィン部材１−１は予め幅手方向の一方側縁部に長
手方向に間隔を置いて図１、図２に示すように外周端縁
１−１′側に開口しかつ巻回時に該外周端縁側が拡開す
るよう波状のスリット２−１を設けた帯材の状態をもっ
て、金属管Ｐの前方への回動に伴いその外周面に、該ス
リット部を外周側に位置して螺旋状に巻回せしめて、離
設したそれぞれのフィン・ブレード１−１″を形成し、
その巻回したフィン部材１−１の少くとも長手方向の両
端部付近を、好ましくは全長に亘って金属管Ｐの外周面
にろう付けまたは溶接により固設せしめてフィンチュー
ブを構成するものである。The fin members 1-1 to 1-5 are made of the same material as or different from the metal tube P, and the fin member 1-1 is formed on one side edge in the width direction in the longitudinal direction. As shown in FIG. 1 and FIG. 2, a strip having a wavy slit 2-1 opened at an outer peripheral edge 1-1 ′ and provided with a wavy slit so that the outer peripheral edge expands during winding as shown in FIGS. In this state, the slit portion is spirally wound around the outer peripheral surface of the metal tube P along with the forward rotation of the metal tube P, and the separated fin blades 1-1 ″ are separated. Forming
At least the vicinity of both ends in the longitudinal direction of the wound fin member 1-1 is preferably fixed to the outer peripheral surface of the metal tube P over the entire length by brazing or welding to form a fin tube. .
【００２４】フィン部材１−２は予め幅手方向の一方側
縁部に長手方向に間隔を置いて図３のように外周端縁１
−２′側に巻回時に拡開するよう波状のスリット２−２
を設けた帯材の状態をもって、前記と同様金属管Ｐの外
周面に、該スリット部を外周側に位置して螺旋状に巻回
せしめて、離設したそれぞれのフィン・ブレード１−
２″を形成し、その巻回したフィン部材１−２′の少く
とも長手方向の両端部付近を、好ましくは全長に亘って
金属管Ｐの外周面にろう付けまたは溶接により固設せし
めてフィンチューブを構成するものである。As shown in FIG. 3, the fin member 1-2 is provided at one side edge in the width direction with an interval in the longitudinal direction.
-2 'side wavy slit 2-2 to expand when wound
With the state of the strip provided with the above, the slit portion is spirally wound on the outer peripheral surface of the metal tube P on the outer peripheral side in the same manner as described above, and each of the separated fin blades 1-
2 "is formed, and at least the vicinity of both ends in the longitudinal direction of the wound fin member 1-2 'is fixed to the outer peripheral surface of the metal tube P preferably over the entire length by brazing or welding. It constitutes a tube.
【００２５】フィン部材１−３は図４、図５に示すよう
に長手方向の一方の側縁部に間隔を置いて外周端縁１−
３′側に巻回時に拡開するよう複数のスリット２−３を
設けた帯材の状態をもって、前記と同様金属管Ｐの外周
面に、該スリット部を外周側に位置して螺旋状に巻回せ
しめて、離設したそれぞれのフィン・ブレード１−３″
を形成する。この際に該巻回に同期して該フィン・ブレ
ード１−３″のなす外周端縁１−３′部を図１０に示す
ような有底溝を有するローラＲ−１により径方向の内方
に押圧せしめ、図５に示すように同一方向に波状に形成
する。そして、その巻回したフィン部材１−３の少くと
も長手方向の両端部付近、好ましくは全長に亘って金属
管Ｐの外周面にろう付けまたは溶接により固設せしめて
フィンチューブを構成するものである。As shown in FIGS. 4 and 5, the fin member 1-3 has an outer peripheral edge 1- spaced apart from one side edge in the longitudinal direction.
With the state of the strip having a plurality of slits 2-3 provided on the 3 'side so as to expand at the time of winding, the slit portion is positioned on the outer peripheral side of the metal pipe P in the same manner as described above, and is spirally formed. Each fin blade 1-3 "which is wound and separated
To form At this time, in synchronization with the winding, the outer peripheral edge 1-3 'formed by the fin blade 1-3 "is radially inwardly moved by a roller R-1 having a bottomed groove as shown in FIG. 5 to form a wavy shape in the same direction as shown in Fig. 5. Then, the outer periphery of the metal tube P is formed at least near both ends in the longitudinal direction of the wound fin member 1-3, preferably over the entire length. The fin tube is fixed to the surface by brazing or welding.
【００２６】フィン部材１−４は図６、図７に示すよう
に長手方向の一方の側縁部に間隔を置いて外周端縁１−
４′側に巻回時に拡開するよう複数のスリット２−４を
設けた帯材の状態をもって、前記と同様金属管Ｐの外周
面に、該スリット部を外周側に位置して螺旋状に巻回せ
しめて、離設したそれぞれのフィン・ブレード１−４″
を形成する。この際に該巻回に同期して該フィン・ブレ
ード１−４″のなす外周端縁１−４′部を図１１に示す
ような有底溝を有するローラＲ−２により径方向の内方
に押圧せしめ、図７に示すように同一方向に湾曲状に形
成する。そして、その巻回したフィン部材１−４の少く
とも長手方向の両端部付近を、好ましくは全長に亘って
金属管Ｐの外周面にろう付けまたは溶接により固設せし
めてフィンチューブを構成するものである。As shown in FIGS. 6 and 7, the fin member 1-4 is provided with an outer peripheral edge 1- spaced at one side edge in the longitudinal direction.
In the state of the strip provided with a plurality of slits 2-4 so as to expand at the time of winding on the 4 'side, the slit portion is positioned on the outer peripheral side of the metal pipe P in the same manner as described above and spirally formed. Each fin blade 1-4 "that is wound and separated
To form At this time, the outer peripheral edge 1-4 'formed by the fin blade 1-4 "in synchronization with the winding is radially inwardly moved by a roller R-2 having a groove having a bottom as shown in FIG. 7 to form a curved shape in the same direction as shown in Fig. 7. Then, at least the vicinity of both ends in the longitudinal direction of the wound fin member 1-4, preferably over the entire length thereof, is a metal tube P Are fixed to the outer peripheral surface by brazing or welding to form a fin tube.
【００２７】さらにフィン部材１−５は図８、図９に示
すように長手方向の一方の側縁部に間隔を置いて外周端
縁１−５′側に巻回時に拡開するよう複数のスリット２
−５を設けた帯材の状態をもって、前記と同様金属管Ｐ
の外周面に、該スリット部を外周側に位置して螺旋状に
巻回せしめて、離設したそれぞれのフィン・ブレード１
−５″を形成する。この際に該巻回に同期して該フィン
・ブレード１−５″のなす外周端縁１−５′部を図１２
に示すような有底溝を有するローラＲ−３、Ｒ−３′に
より径方向の内方に押圧せしめ、図９に示すように交互
に相対する方向への湾曲状に形成する。そして、その巻
回したフィン部材１−５の少くとも長手方向の両端部附
近を、好ましくは全長に亘ってを金属管Ｐの外周面にろ
う付けまたは溶接により固設せしめてフィンチューブを
構成するものである。Further, as shown in FIGS. 8 and 9, the fin member 1-5 has a plurality of fin members 1-5 spaced apart from one side edge in the longitudinal direction so as to expand at the time of winding around the outer peripheral edge 1-5 '. Slit 2
In the same manner as above, the metal pipe P
Each of the fin blades 1 separated from each other is wound spirally on the outer peripheral surface of the
In this case, the outer peripheral edge 1-5 'formed by the fin blade 1-5 "in synchronization with the winding is formed as shown in FIG.
As shown in FIG. 9, rollers R-3 and R-3 'having bottomed grooves are pressed inward in the radial direction, and are formed into a curved shape alternately in opposite directions as shown in FIG. Then, at least the both ends in the longitudinal direction of the wound fin member 1-5, preferably over the entire length thereof, are fixed to the outer peripheral surface of the metal pipe P by brazing or welding to form a fin tube. Things.
【００２８】なお、上記図４〜図９に示すフィン・ブレ
ードの形成において、ローラによるフィンブレード外周
端縁の加工は、フィンを全長に亘って金属管に固定した
後に作業した方が好ましい。In the formation of the fin blade shown in FIGS. 4 to 9, it is preferable to work the outer peripheral edge of the fin blade with the roller after fixing the fin to the metal pipe over the entire length.
【００２９】上記実施例では、有底溝を有するローラＲ
−１、Ｒ−２、Ｒ−３、Ｒ−３′によりフィン部材を金
属管Ｐの外周面に螺旋状に巻回する際に、該巻回に同期
して同一方向への波状あるいは弯曲状もしくは交互に相
対方向への弯曲状に形成するものであるが、図１３のよ
うに螺旋状の巻回が完了した後フィン・ブレード１−
５″のなす外周端縁１−５′部を相互に異なる方向に
（図示の実施例では約９０°）屈曲するよう塑性変形し
て形成することもできる。In the above embodiment, the roller R having the bottomed groove is used.
When the fin member is spirally wound around the outer peripheral surface of the metal tube P by using -1, R-2, R-3, and R-3 ', a wavy or curved shape in the same direction is synchronized with the winding. Alternatively, the fin blades are formed alternately in a curved shape in the relative direction. However, as shown in FIG.
The outer peripheral edge 1-5 'formed by 5 "may be plastically deformed so as to bend in different directions (about 90 degrees in the illustrated embodiment).
【００３０】つぎに本発明は、外周端縁側に開口しかつ
拡開するその対向側面を波状もしくは鋸歯状または稲妻
状となす間隔をおいて複数のスリット２−１〜２−５に
よるフィン・ブレードの形状をなすフィン部材１−１〜
１−５のみならず、図１４（ａ）のように外周端縁側に
ほぼＵ字状の凹溝３−１や、同図（ｂ）のようなサイン
カーブ状の凹溝３−２を有するフィン部材１−６を、該
凹溝３−１、３−２を外周側に位置して金属管Ｐの前方
への回動に伴いその外周面に螺旋状に巻回して少なくと
もその長手方向の両端部付近、好ましくは全長に亘って
該金属管Ｐの外周面にろう付けまたは溶接し、固設して
構成されたフィンチューブでも同等の効果を有するもの
である。この際前記凹溝３−１、３−２は、予めフィン
部材としての金属帯材の幅手方向の一方端縁部に設けて
金属管Ｐの外周面に巻回するようにしてもよいが、平板
状の金属帯材のフィン部材１−６′を金属管Ｐの外周面
に螺旋状に巻回する際に、該巻回に同期して、図１５の
ようにその外周端縁部を径方向の外方より突起付きロー
ラＲ−４にて内方へ押圧することにより形成することも
できる。また前記凹溝３−１、３−２は隣接する巻回に
おいてはその位相がずれていた方が空気流が円滑となり
熱交換効率を増加するために好ましい。Next, the present invention relates to a fin blade formed by a plurality of slits 2-1 to 2-5 which are spaced from each other at intervals so as to form a wavy, sawtooth or lightning shape on the opposite side surface which is open toward the outer peripheral edge and expands. Fin member 1-1 having the shape of
In addition to 1-5, a substantially U-shaped concave groove 3-1 as shown in FIG. 14A and a sine-curve concave groove 3-2 as shown in FIG. The fin member 1-6 is spirally wound around the outer peripheral surface of the metal tube P with the concave grooves 3-1 and 3-2 located on the outer peripheral side and the metal tube P is rotated forward, and at least in the longitudinal direction. Fin tubes that are brazed or welded to the outer peripheral surface of the metal pipe P near both ends, preferably over the entire length, and fixedly provided have the same effect. At this time, the concave grooves 3-1 and 3-2 may be provided in advance at one end in the width direction of a metal strip as a fin member and wound around the outer peripheral surface of the metal pipe P. When the fin member 1-6 'made of a flat metal band is spirally wound around the outer peripheral surface of the metal tube P, the outer peripheral edge is synchronized with the winding as shown in FIG. It can also be formed by pressing inward with a roller R-4 with projections from the outside in the radial direction. In addition, it is preferable that the concave grooves 3-1 and 3-2 be out of phase in adjacent windings, since the air flow becomes smooth and the heat exchange efficiency is increased.
【００３１】なお図１５のローラＲ−４は、フィン部材
１−６′の外周端縁側に凹溝３−１、３−２を形成する
ために設けたものとして説明したが、このローラの外周
面に溝に替えて切断歯を設ければ、幅手方向の一端縁部
にスリットを設けていない平板状の金属帯材によるフィ
ン部材を、金属管の外周面に巻回する際に、この巻回と
同期してスリットを形成することも可能となる。The roller R-4 shown in FIG. 15 has been described as being provided for forming the concave grooves 3-1 and 3-2 on the outer peripheral edge side of the fin member 1-6 '. If cutting teeth are provided in place of the grooves on the surface, when a fin member made of a flat metal strip having no slit at one end in the width direction is wound around the outer peripheral surface of the metal pipe, It is also possible to form a slit in synchronization with winding.
【００３２】そして本発明では前記した実施例の通り、
フィン部材としてその外周端縁に開口する間隔を置いて
複数個のスリットあるいは凹溝によるフィン・ブレード
の形状となしたものを用いたが、さらにこのような形状
を有するフィン部材１−７の外周端縁に該フィン部材１
−７の一側面（図１６（ａ）参照）に突出するエッジ状
の突条４−１または両側面（図１６（ｂ）参照）に突出
する一対のエッジ状の突条４−１、４−２を設けること
が好ましい。これは前記突条４−１、４−２によって該
突条より下側のフィン部材の表面に空気流が回り込み流
速が速くなってレイノルズ係数が上昇するために、境界
層が剥離し境膜伝熱係数が上昇して熱交換量が増加する
からである。In the present invention, as described in the above embodiment,
As the fin member, a fin blade formed by a plurality of slits or concave grooves at intervals open to the outer peripheral edge thereof was used. Further, the outer periphery of the fin member 1-7 having such a shape was used. The fin member 1 on the edge
-7 or a pair of edge-shaped protrusions 4-1 and 4 projecting from both side surfaces (see FIG. 16B). -2 is preferably provided. This is because the ridges 4-1 and 4-2 cause the air flow to wrap around the surface of the fin member below the ridge, increasing the flow velocity and increasing the Reynolds coefficient. This is because the heat coefficient increases and the amount of heat exchange increases.
【００３３】なお図１６の（ａ）のように一側面に突出
するエッジ状の突条４−１は、各種の手段により形成で
きあるが、例えばフィン材をコイルからシアリングによ
り剪断する際、両歯の間の間隔を僅かに拡大させれば容
易にバリ状の突条を形成することができる。一方両側面
に突出する一対のエッジ状の突条４−１、４−２を形成
する場合は、図１〜３のように形成されたスリット２−
１、２−２、あるいは図１４（ａ）、（ｂ）のように形
成された凹溝３−１、３−２を外周側に位置せしめて、
金属管Ｐの前方への回動に伴いその外周面に巻回せし
め、図１７のようにフィン部材１−８の外周端縁部の全
体を径方向の外方より平滑な外周面を有するローラＲ−
５、Ｒ−５′にて内方に押圧せしめて形成することがで
き、この際ローラＲ−５、Ｒ−５′は、押圧状態を維持
したまま矢印イ方向に移動可能とすることが好ましい。The edge-shaped ridges 4-1 protruding from one side as shown in FIG. 16A can be formed by various means. For example, when shearing a fin material from a coil by shearing, both edges are formed. By slightly increasing the distance between the teeth, a burr-like ridge can be easily formed. On the other hand, when forming a pair of edge-shaped ridges 4-1 and 4-2 protruding on both side surfaces, a slit 2-2 formed as shown in FIGS.
1, 2-2 or the concave grooves 3-1 and 3-2 formed as shown in FIGS. 14 (a) and (b) are positioned on the outer peripheral side,
The metal tube P is wound around its outer peripheral surface as it rotates forward, and the entire outer peripheral edge of the fin member 1-8 has a smoother outer peripheral surface than the radially outward side as shown in FIG. R-
5, R-5 'can be formed by pressing inward, and at this time, the rollers R-5, R-5' are preferably movable in the direction of arrow A while maintaining the pressed state. .
【００３４】さらに金属帯材からなるフィン部材１−８
の外周端縁部の一部、例えば凹溝３−１、３−２の谷部
のみに一対のエッジ状の突条４−１、４−２を形成する
場合は、外周面が平滑なローラＲ−５、Ｒ−５′に替え
図１８のようにその外周面に複数の歯車状の突起５を有
するローラＲ−６を用いて押圧すればよい。Further, a fin member 1-8 made of a metal strip material
In the case where a pair of edge-shaped ridges 4-1 and 4-2 are formed only in a part of the outer peripheral edge portion, for example, only the valleys of the concave grooves 3-1 and 3-2, the outer peripheral surface is a smooth roller. Instead of R-5 and R-5 ', a roller R-6 having a plurality of gear-shaped protrusions 5 on its outer peripheral surface as shown in FIG.
【００３５】つぎに本発明で奏せられる放熱効果を一層
向上させ、さらにフィン部材の位置ずれを防止するため
に、図１９のようにフィン部材１−９の高さの全体に亘
り、あるいは内周端縁側に皺状部分６を形成することが
好ましい。すなわち図１９のように螺旋状に巻回されて
固設されたフィン部材１−９を図１９（ａ）のようにそ
の外周端部が直線状に、またその内周端縁側１−９′が
波形に形成するか、あるいはフィン部材１−９を図１９
（ｂ）のように幅手方向（帯材の巻回時は高さ方向）全
体に亘って波形として径方向に伸びる皺状部分６を形成
する。なお前記皺状部分６は、フィン部材１−９の幅手
方向の一部または全部に予めギア加工などしておき、金
属管Ｐの外周面への巻回の際に、フィン部材１−９を該
外周面に圧接、および所望に応じフィン部材を引張るこ
とにより前記巻回と同時に形成することができる。すな
わち前記ギア加工部分は、金属帯材によるフィン部材１
−９の巻回時に伸率の違いによって塑性変形して皺状部
分６となる。Next, in order to further improve the heat radiation effect provided by the present invention and to prevent the fin member from being displaced, as shown in FIG. It is preferable to form the wrinkled portion 6 on the peripheral edge side. That is, as shown in FIG. 19A, the fin member 1-9 wound and fixed in a spiral manner as shown in FIG. 19 has a linear outer peripheral end as shown in FIG. Is formed in a wave form, or the fin member 1-9 is
As shown in (b), a wrinkled portion 6 extending in the radial direction as a waveform is formed over the entire width direction (the height direction when the strip is wound). The wrinkled portion 6 is previously subjected to gear processing on a part or all of the fin member 1-9 in the width direction, and the fin member 1-9 is wound around the outer peripheral surface of the metal tube P. Can be formed at the same time as the winding by pressing the fin member against the outer peripheral surface and, if desired, pulling the fin member. That is, the gear processing portion is a fin member 1 made of a metal strip.
At the time of winding of -9, it is plastically deformed due to the difference in elongation to form a wrinkled portion 6.
【００３６】また外周端縁側に図１４のような凹溝３−
１、３−２を有するフィン部材１−７に図１９（ｂ）の
ように、内周端縁側１−９′を波形にとして皺状部分６
を形成する場合は、前記凹溝３−１、３−２の谷部よ
り、前記皺状部分６の径を僅かに小径とすることが好ま
しい。A concave groove 3 as shown in FIG.
As shown in FIG. 19 (b), the fin member 1-7 having the first and third fins 1 and 3-2 has an inner peripheral edge 1-9 'in a corrugated form.
In the case where is formed, it is preferable that the diameter of the wrinkled portion 6 is slightly smaller than the valleys of the concave grooves 3-1 and 3-2.
【００３７】以上実施例においては、外周端縁側にスリ
ットあるいは凹溝を設けたフィン部材に、該フィン部材
の少なくとも一側面側に突出する突条を設けたもの、ま
たは外周端縁側にスリットあるいは凹溝を設けたフィン
部材に、該フィン部材の少なくとも内周端縁側に皺状部
分を設けたものを個々に説明したが、本発明ではこれら
を組合わせてフィン部材を構成することもできる。すな
わちフィン部材を、複数のスリットあるいは凹溝が形成
された外周端縁の少なくとも一部に少なくとも一側面側
に突出するエッジ状の突条を有するとともに、少なくと
も内周端縁側に径方向に伸びる皺状部分が形成されたフ
ィン・ブレードの形状となし、これを金属管の外周面に
巻回し固設してフィンチューブを作製することも可能で
ある。In the above embodiment, a fin member provided with a slit or a concave groove on the outer peripheral edge side is provided with a protruding ridge protruding on at least one side surface of the fin member, or a slit or concave on the outer peripheral edge side. Although a fin member provided with a groove and a wrinkled portion provided at least on the inner peripheral edge side of the fin member has been individually described, in the present invention, the fin member may be configured by combining these. That is, the fin member has an edge-shaped ridge protruding on at least one side at least on a part of the outer peripheral edge where a plurality of slits or concave grooves are formed, and wrinkles extending radially at least on the inner peripheral edge side. It is also possible to manufacture a fin tube by forming a fin blade having a fin-shaped portion, winding the fin blade around the outer peripheral surface of a metal tube and fixing it.
【００３８】[0038]
【実施例】次に本発明の製造方法に関連してその実施例
を説明する。 実施例１ 外径１２．７ｍｍ、肉厚１．０ｍｍ、長さ３ｍのＳＴＫ
Ｍ１２ＣＥＣ材からなる金属管の外周面に、肉厚０．５
ｍｍ、幅１３．０ｍｍのＳＰＣＣ製帯鋼材による予めそ
の幅手方向の一方側縁部に深さ７．０ｍｍの対向側面を
波状となす複数のスリットを長手方向の全長に亘って間
隔８．０ｍｍを置いて楔状に設けた該帯材をもって、該
スリット部を外周側に位置させて、前記金属管側を回動
しながらピッチ４ｍｍで螺旋状に巻回した。次いでその
長手方向の両端部を金属管の外周面に点溶接して仮止め
し、その後銅ろう付けして固設せしめることによりフィ
ンチューブを得た。Next, an embodiment of the present invention will be described with reference to the manufacturing method. Example 1 STK having an outer diameter of 12.7 mm, a thickness of 1.0 mm, and a length of 3 m
0.5 mm thick on the outer peripheral surface of a metal tube made of M12CEC material.
mm, a plurality of slits having a wavy shape on the opposite side having a depth of 7.0 mm are formed on one side edge in the width direction of a SPCC steel strip having a width of 13.0 mm at intervals of 8.0 mm over the entire length in the longitudinal direction. With the band member provided in a wedge shape, the slit portion was positioned on the outer peripheral side, and the metal tube side was spirally wound at a pitch of 4 mm while rotating on the metal tube side. Then, both ends in the longitudinal direction were temporarily welded to the outer peripheral surface of the metal tube by spot welding, and then brazed with copper and fixed to obtain a fin tube.
【００３９】実施例２ 外径２３．０ｍｍ、肉厚１．４ｍｍ、長さ２ｍの銅材に
よる金属管の外周面に、肉厚０．７ｍｍ、幅１５．０ｍ
ｍのＢｓ帯鋼材からなる予め幅手方向の一方側縁部に深
さ６．０ｍｍの対向側面を鋸歯状となす複数のスリット
を長手方向の全長に亘って間隔１０．０ｍｍを置いて楔
状に設けた該帯材をもって、該スリット部を外周側に位
置して前記金属管側を前方に回動しながら密着するよう
ピッチ７ｍｍで螺旋状に巻回した。次いで長手方向の両
端部を金属管の外周面に部分ろう付けして固設せしめる
ことによりフィンチューブを得た。Example 2 An outer diameter of 23.0 mm, a wall thickness of 1.4 mm and a length of 2 m were formed on a metal pipe made of a copper material having a thickness of 0.7 mm and a width of 15.0 m.
A plurality of slits made of a Bs strip steel material having a depth of 6.0 mm and having opposite sides formed in a sawtooth shape at one side edge in the width direction are formed in a wedge shape at intervals of 10.0 mm over the entire length in the longitudinal direction. With the provided strip material, the slit portion was spirally wound at a pitch of 7 mm so that the slit portion was positioned on the outer peripheral side and the metal tube side was rotated forward and closely contacted. Then, both ends in the longitudinal direction were partially brazed to the outer peripheral surface of the metal tube and fixed to obtain a fin tube.
【００４０】実施例３ 外径１０．０ｍｍ、肉厚０．７ｍｍ、長さ１．５ｍのＳ
ＵＳ３０４材による金属管の外周面に、幅１０．０ｍ
ｍ、肉厚０．５ｍｍのＳＰＣＣ製帯鋼材による予めその
幅手方向の一方の側縁部に深さ６．０ｍｍの極細楔状の
複数からなるスリットを長手方向に亘って間隔６．０ｍ
ｍを置いて、フィン・ブレードの形状となす、該帯鋼材
をもって、該スリット部を外周側に位置して前記金属管
を前方に回動しながらピッチ３ｍｍで螺旋状に巻回せし
めた。そして、長手方向の全長を金属管の外周面にＮｉ
ろう付けして固設せしめ、次いで帯鋼材のなす前記フィ
ン・ブレードのなす外周端縁部をローラＲ−１の有底溝
により径方向の内方に押圧せしめることによって同一方
向に波状となすようフィン部材を形成せしめることによ
りフィンチューブを得た。Example 3 S having an outer diameter of 10.0 mm, a wall thickness of 0.7 mm and a length of 1.5 m
10.0m width on the outer surface of metal tube made of US304
m, a slit made of a plurality of ultra-thin wedges having a depth of 6.0 mm is formed in advance on one side edge in the width direction of a 0.5 mm-thick SPCC steel strip at intervals of 6.0 m in the longitudinal direction.
At a distance of m, the steel strip formed into a fin blade shape was spirally wound at a pitch of 3 mm while rotating the metal tube forward with the slit portion positioned on the outer peripheral side. Then, the entire length in the longitudinal direction is set to Ni
By brazing and fixing, the outer peripheral edge of the fin blade made of the steel strip is pressed radially inward by the bottomed groove of the roller R-1 so as to be corrugated in the same direction. A fin tube was obtained by forming a fin member.
【００４１】実施例４ 実施例３と同様の各寸法を有する前記金属管、帯鋼材お
よびスリットからなる状態をもって、該金属管の外周面
に実施例３同様に回動しながら螺旋状に巻回せしめた。
そして、長手方向の全長を金属管の外周面にＮｉろう付
けして固設せしめ、次いで帯鋼材のなす前記フィン・ブ
レードのなす外周端縁部をローラＲ−２の有底溝により
径方向の内方に押圧せしめることによって同一方向に彎
曲状となすようフィン部材を形成せしめることによりフ
ィンチューブを得た。Embodiment 4 A state consisting of the metal tube, the steel strip and the slit having the same dimensions as in Embodiment 3 is spirally wound around the outer peripheral surface of the metal tube while rotating as in Embodiment 3. I was sorry.
Then, the entire length in the longitudinal direction is fixed to the outer peripheral surface of the metal tube by Ni brazing, and then the outer peripheral edge formed by the fin blade made of the steel strip is formed radially by the bottomed groove of the roller R-2. The fin member was formed by pressing inward to form a fin member so as to be curved in the same direction.
【００４２】実施例５ 直径１２ｍｍ×肉厚１．０ｍｍ×長さｌ２ｍのアルミニ
ウム合金管、幅１２ｍｍ×肉厚０．５ｍｍの純アルミニ
ウム帯材およびスリットからなる状態をもって、該金属
管の外周面に回動しながらピッチ４ｍｍで螺旋状に密着
して巻回せしめた。そして、該巻回に同期して帯材のな
す予め僅かに交互に相対する方向に傾きを有するフィン
・ブレードのなす外周端縁部をローラの左右の有底溝に
より径方向の内方に押圧せしめることによって、左右交
互に拡開して弯曲状となすフィン部材を形成した。次い
でその長手方向の両端部を金属管の外周面に部分ろう付
けして固設せしめることによりフィンチューブを得た。Example 5 An aluminum alloy tube having a diameter of 12 mm, a wall thickness of 1.0 mm and a length of 12 m, a pure aluminum strip having a width of 12 mm and a wall thickness of 0.5 mm and a slit were placed on the outer peripheral surface of the metal tube. While being rotated, it was wound tightly and spirally at a pitch of 4 mm. Then, in synchronization with the winding, the outer peripheral edge formed by the fin blades, which are slightly alternately inclined in advance in the opposite direction, formed by the band material, are pressed inward in the radial direction by the right and left bottomed grooves of the roller. As a result, a fin member was formed which alternately expands left and right to form a curved shape. Then, both ends in the longitudinal direction were partially brazed to the outer peripheral surface of the metal tube and fixed to obtain a fin tube.
【００４３】実施例６ 実施例１のスリットに替え、外周端縁側に幅１４ｍｍ、
深さ６ｍｍの凹溝を間隔６ｍｍを置いて設けた帯材を用
いたこと以外は実施例１と同様にしてフィンチューブを
得た。Example 6 Instead of the slit of Example 1, a width of 14 mm was
A fin tube was obtained in the same manner as in Example 1, except that a strip having concave grooves having a depth of 6 mm and provided at intervals of 6 mm was used.
【００４４】実施例７ 実施例６と同様の帯材の外周面側に、図１７に示すよう
な材質ＳＫＤからなり、幅２ｍｍ、径１０ｍｍの外周面
が平滑なローラで押圧力を付与しながら内方へ押圧し、
前記帯材の外周端縁の両側に高さ０．１ｍｍの一対のエ
ッジ状の突条を形成し、ついで実施例１と同様の手順で
フィンチューブを得た。Embodiment 7 The outer peripheral surface of the same strip as that of Embodiment 6 is made of a material SKD as shown in FIG. 17 and has a width of 2 mm and a diameter of 10 mm. Press inward,
A pair of edge-shaped protrusions having a height of 0.1 mm was formed on both sides of the outer peripheral edge of the strip, and a fin tube was obtained in the same procedure as in Example 1.
【００４５】実施例８ 外径が２７．０ｍｍで、肉厚が０．７ｍｍ、長さ３ｍｍ
のＳＵＳ ３０４Ｌからなる金属管の外面に、外周端縁
側には実施体６に寸法の凹溝を有する厚さが１．０ｍ
ｍ、板幅が１０ｍｍの、予め幅手方向の８ｍｍに亘って
ギア加工されたＳＵＳ ３０４からなる金属帯材をピッ
チ６．０ｍｍで螺旋状に巻回する際して、金属管の中心
軸線に対して径方向で内方に２個のロールを用いて押圧
力を付与しながら強く圧接するとともに、金属管の回転
による帯材の巻回方向とは反対方向で、かつ該金属管の
外周面の接線方向に金属帯材を強く引張る。この金属帯
材の圧接と引張りにより、前記帯材の波形加工された内
周端縁側が金属帯材の伸率の違いにより変形して径方向
に高さ３ｍｍ伸びる皺状部分が形成され、次いでその長
手方向の両端部を金属管の外周面に点溶接して仮止め
し、その後銅ろう付けして固設せしめることによりフィ
ンチューブを得た。Example 8 The outer diameter was 27.0 mm, the thickness was 0.7 mm, and the length was 3 mm
The outer surface of the metal tube made of SUS 304L has a concave groove having a dimension of 1.0 mm on the outer peripheral edge side.
m, when a metal strip made of SUS 304 having a sheet width of 10 mm and previously gear-machined over 8 mm in the width direction is spirally wound at a pitch of 6.0 mm, On the other hand, two rolls are used inward in the radial direction to apply a pressing force while applying strong pressure, and in a direction opposite to the winding direction of the band material due to the rotation of the metal tube, and the outer peripheral surface of the metal tube. Strongly pull the metal strip in the tangential direction of. By pressing and pulling the metal strip, the corrugated inner peripheral edge side of the strip is deformed due to a difference in elongation of the metal strip to form a wrinkled portion extending 3 mm in height in the radial direction, The both ends in the longitudinal direction were spot-welded to the outer peripheral surface of the metal tube and temporarily fixed, and then brazed with copper and fixed to obtain a fin tube.
【００４６】実施例９ 実施例８と同様の材質と寸法からなる金属帯材の外周端
縁側に実施例７と同様にして一対の突条を形成するとと
もに、該帯材の内周端縁側に実施例８と同様な皺状部分
を形成するよう金属管の外周面に巻回し、ついで帯材の
両端部のみをレーザー溶接してフィンチューブを得た。Embodiment 9 A pair of ridges are formed on the outer peripheral edge of a metal strip made of the same material and dimensions as in Embodiment 8 in the same manner as in Embodiment 7, and the metal strip is formed on the inner peripheral edge of the strip. A fin tube was obtained by winding around the outer peripheral surface of a metal tube so as to form a wrinkled portion similar to that in Example 8, and then laser-welding only both ends of the band material.
【００４７】これら実施例１〜９により得られたフィン
チューブと、比較のために該各実施例に述べられた加工
を一切行わず図２０のように一定幅で平滑の両側面に形
成された金属帯材を巻回してなるフィンチューブとに関
して放熱試験を実施したところ、いずれの実施例でも３
０％前後の放熱性能の向上が認められた。For comparison, the fin tubes obtained in Examples 1 to 9 were formed on both sides of a constant width and smooth as shown in FIG. 20 without any processing described in each of the examples. When a heat radiation test was performed on a fin tube formed by winding a metal strip, the fin tube was 3
An improvement in heat radiation performance of about 0% was observed.
【００４８】[0048]
【発明の効果】以上説明したように本発明に係るフィン
チューブおよびその製造方法は、規定の幅寸法あるいは
規定の幅寸法より僅かに広幅のフィン部材としての帯材
の外周端縁に形成した外方に開口する複数のスリットあ
るいは凹溝、さらに少なくとも一側面側に突出するエッ
ジ状の突条および／または少なくとも内周端縁側に形成
された皺状部分によるフィン・ブレード、あるいはフィ
ン・ブレードの状態での金属管の回動によって、金属管
への巻回を無理なく容易に行うことができ、またフィン
部材の放熱性能の向上に有効な表面積を十分に得ること
ができ、さらに巻回に同期して形成する波状あるいは彎
曲状や前記突条や皺状部分のフィン部材のフィン・ブレ
ードのなす側面部での空気の渦巻き状の流れによって境
界層を剥離してフィンチューブの放熱交換効率を一層促
進してその性能を向上することができるなど、極めて有
用性に富むものである。As described above, the fin tube and the method of manufacturing the same according to the present invention provide a fin member having a predetermined width dimension or a width slightly larger than the predetermined width dimension. Blades or fin blades formed by a plurality of slits or concave grooves that open toward the front, edge-shaped projections protruding at least on one side, and / or wrinkles formed at least on the inner peripheral edge side. By turning the metal tube in the above, the winding around the metal tube can be easily and easily performed, and a sufficient surface area effective for improving the heat radiation performance of the fin member can be obtained. The boundary layer is exfoliated by a wavy or curved shape formed by the air, and a spiral flow of air on the side surface formed by the fin blade of the fin member of the ridge or wrinkle portion. Etc. can be improved its performance heat radiation exchange efficiency of the emission tube to further promote are those rich in extremely useful properties.
【図１】本発明の製造方法によって構成された一部のフ
ィンチューブの側面図である。FIG. 1 is a side view of a part of a fin tube formed by a manufacturing method of the present invention.
【図２】図１Ａ−Ａ線上の断面図である。FIG. 2 is a cross-sectional view taken along the line AA of FIG. 1;
【図３】同上他の実施例に係る図２相当図である。FIG. 3 is a diagram corresponding to FIG. 2 according to another embodiment of the present invention;
【図４】さらに他の実施例に係る正面図である。FIG. 4 is a front view according to still another embodiment.
【図５】図４Ｂ−Ｂ線上の一部の断面図である。FIG. 5 is a partial cross-sectional view taken along the line BB in FIG. 4;
【図６】別の実施例に係る図４相当図である。FIG. 6 is a diagram corresponding to FIG. 4 according to another embodiment.
【図７】図６Ｃ−Ｃ線上の一部の断面図である。FIG. 7 is a partial cross-sectional view taken along the line CC in FIG. 6;
【図８】さらに別の実施例に係る図４相当図である。FIG. 8 is a diagram corresponding to FIG. 4 according to yet another embodiment.
【図９】図８Ｄ−Ｄ線上の一部の断面図である。FIG. 9 is a partial cross-sectional view taken along the line DD in FIG. 8;
【図１０】本発明の製造方法に関連した図４、図５に示
すフィン部材加工時の一部の切欠きによる説明図であ
る。10 is an explanatory view related to a manufacturing method of the present invention, which is partially cut out when processing the fin member shown in FIGS. 4 and 5. FIG.
【図１１】本発明の製造方法に関連した図６、図７に示
すフィン部材加工時の一部の切欠きによる説明図であ
る。FIG. 11 is an explanatory view related to the manufacturing method of the present invention, which is partially cut out when the fin member shown in FIGS. 6 and 7 is processed.
【図１２】本発明の製造方法に関連した図８、図９に示
すフィン部材加工時の一部の切欠きによる説明図であ
る。FIG. 12 is an explanatory view related to a manufacturing method of the present invention, which is partially cut out when processing the fin member shown in FIGS. 8 and 9;
【図１３】本発明のフィン部材のさらに別の実施例に係
る図５相当図である。FIG. 13 is a view corresponding to FIG. 5 according to still another embodiment of the fin member of the present invention.
【図１４】本発明のさらに他の実施例のフィン部材を示
す一部拡大正面図で、（ａ）はＵ字状の凹溝を示す図、
（ｂ）はサインカーブ状の凹溝を示す図である。FIG. 14 is a partially enlarged front view showing a fin member according to still another embodiment of the present invention, where (a) is a view showing a U-shaped concave groove,
(B) is a figure which shows the concave groove of a sine curve shape.
【図１５】図１４のフィン部材の製造方法の一実施例を
示す斜視図である。FIG. 15 is a perspective view showing one embodiment of a method for manufacturing the fin member of FIG. 14;
【図１６】本発明のさらに別の実施例に係るフィン部材
の一部拡大断面図で、（ａ）は一側面に突出した突条を
示す図、（ｂ）は両側面に突出した突条を示す図であ
る。16A and 16B are partially enlarged cross-sectional views of a fin member according to still another embodiment of the present invention, wherein FIG. 16A is a diagram showing a ridge protruding on one side surface, and FIG. FIG.
【図１７】図１６（ｂ）の突条を有するフィン部材の製
造方法の一実施例を示す正面図である。FIG. 17 is a front view showing one embodiment of a method for manufacturing a fin member having a ridge shown in FIG. 16 (b).
【図１８】図１６の突条を形成する他の実施例を示す一
部拡大正面図である。FIG. 18 is a partially enlarged front view showing another embodiment for forming the ridge in FIG.
【図１９】本発明のフィン部材のさらに他の実施例を示
す部分拡大斜視図で、（ａ）は内周端縁側に皺状部分が
形成されたものを示す図、（ｂ）は幅手方向全体に径方
向に伸びる皺状部分が形成されたものを示す図である。FIGS. 19A and 19B are partially enlarged perspective views showing still another embodiment of the fin member of the present invention, wherein FIG. 19A is a view showing a wrinkled portion formed on the inner peripheral edge side, and FIG. It is a figure which shows what formed the wrinkle-shaped part extended in the radial direction in the whole direction.
【図２０】従来例に係るフィンチューブの断面図であ
る。FIG. 20 is a cross-sectional view of a fin tube according to a conventional example.
１−１〜１−９ フィン部材 ２−１〜２−５ スリット １−１′〜１−５′ 外周端縁 １−１″〜１−５″ フィン・ブレード ３−１、３−２ 凹溝 ４−１、４−２ 突条 ５ 歯車状の突起 ６ 皺状部分 Ｐは金属管 Ｒ−１〜Ｒ−５ ローラ 1-1 to 1-9 Fin member 2-1 to 2-5 Slit 1-1 'to 1-5' Outer peripheral edge 1-1 "to 1-5" Fin blade 3-1 and 3-2 Groove 4-1 and 4-2 ridges 5 gear-shaped projections 6 wrinkled portions P are metal tubes R-1 to R-5 rollers
【手続補正書】[Procedure amendment]
【提出日】平成１０年１０月３０日[Submission date] October 30, 1998
【手続補正１】[Procedure amendment 1]
【補正対象書類名】図面[Document name to be amended] Drawing
【補正対象項目名】全図[Correction target item name] All figures
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【図１】 FIG.
【図２】 FIG. 2
【図３】 FIG. 3
【図４】 FIG. 4
【図５】 FIG. 5
【図６】 FIG. 6
【図７】 FIG. 7
【図８】 FIG. 8
【図９】 FIG. 9
【図１０】 FIG. 10
【図１１】 FIG. 11
【図１２】 FIG.
【図１３】 FIG. 13
【図１６】 FIG. 16
【図１８】 FIG.
【図２０】 FIG.
【図１４】 FIG. 14
【図１５】 FIG.
【図１７】 FIG.
【図１９】 FIG.
Claims (17)
部材を螺旋状に巻付けてなるフィンチューブにおいて、
前記フィン部材は、その外周端縁側に開口する間隔を置
いた複数のスリットあるいは凹溝によるフィン・ブレー
ドの形状となして金属管の外周面に巻回、固設されて構
成したことを特徴とするフィンチューブ。A fin tube in which a fin member made of a metal strip is spirally wound around an outer peripheral surface of a metal tube.
The fin member is formed in a shape of a fin blade with a plurality of slits or concave grooves spaced apart to be opened on the outer peripheral edge side, wound around the outer peripheral surface of the metal tube, and fixedly provided. Fin tube.
部材を螺旋状に巻付けてなるフィンチューブにおいて、
前記フィン部材は、その外周端縁のなす複数のスリット
あるいは凹溝により離設したそれぞれのフィン・ブレー
ドの径方向の断面を、同一方向に波状あるいは弯曲状も
しくは交互に相対方向への弯曲状または相互に異なる方
向への屈曲状の形状となして金属管の外周面に巻回、固
設されて構成したことを特徴とするフィンチューブ。2. A fin tube in which a fin member made of a metal strip is spirally wound around an outer peripheral surface of a metal tube.
The fin member has a radial cross-section of each fin blade separated by a plurality of slits or concave grooves formed by the outer peripheral edge thereof, wavy or curved in the same direction or alternately curved in the relative direction or A fin tube characterized by being formed in a bent shape in different directions from each other and wound around and fixed to an outer peripheral surface of a metal tube.
部材を螺旋状に巻付けてなるフィンチューブにおいて、
前記フィン部材は、複数のスリットあるいは凹溝が形成
された最終端縁の少なくとも一部に少なくとも一側面側
に突出するエッジ状の突条を有するフィン・ブレードの
形状となして金属管の外周面に巻回、固設されて構成し
たことを特徴とするフィンチューブ。3. A fin tube in which a fin member made of a metal strip is spirally wound around an outer peripheral surface of a metal tube.
The fin member has a shape of a fin blade having an edge-like ridge protruding at least on one side at least at a part of a final end edge where a plurality of slits or concave grooves are formed. A fin tube characterized by being wound and fixed on a fin tube.
部材を螺旋状に巻付けてなるフィンチューブにおいて、
前記フィン部材は、その外周端縁側に開口する間隔を置
いた複数のスリットあるいは凹溝を有するとともに、少
なくとも内周端縁側に径方向に伸びる皺状部分が形成さ
れたフィン・ブレードの形状となして金属管の外周面に
巻回、固設されて構成したことを特徴とするフィンチュ
ーブ。4. A fin tube in which a fin member made of a metal strip is spirally wound around an outer peripheral surface of a metal tube.
The fin member has a plurality of slits or concave grooves at intervals on the outer peripheral edge side thereof, and has a shape of a fin blade formed with a wrinkle-like portion extending at least radially on the inner peripheral edge side. A fin tube wound around and fixed to an outer peripheral surface of a metal tube.
部材を螺旋状に巻付けてなるフィンチューブにおいて、
前記フィン部材は、複数のスリットあるいは凹溝が形成
された外周端縁の少なくとも一部に少なくとも一側面側
に突出するエッジ状の突条を有するとともに、少なくと
も内周端縁側に径方向に伸びる皺状部分が形成されたフ
ィン・ブレードの形状となして金属管の外周面に巻回、
固設されて構成したことを特徴とするフィンチューブ。5. A fin tube in which a fin member made of a metal strip is spirally wound around an outer peripheral surface of a metal tube.
The fin member has an edge-shaped ridge protruding at least on one side at least on a part of an outer peripheral edge in which a plurality of slits or concave grooves are formed, and wrinkles extending radially at least on an inner peripheral edge side. Wound around the outer surface of the metal tube in the shape of a fin blade with
A fin tube characterized by being fixedly provided.
は鋸歯状または稲妻状をなし、また前記凹溝はほぼＵ字
状あるいはほぼサインカーブ状をなすことを特徴とする
請求項１〜５のいずれか１項記載のフィンチューブ。6. The slit according to claim 1, wherein the opposite side surface has a wave-like, saw-tooth or lightning-like shape, and the concave groove has a substantially U-shaped or substantially sine-curved shape. The fin tube according to claim 1.
向に間隔を置いて複数のスリットまたは凹溝を設けたフ
ィン部材としての帯材を、該スリットあるいは凹溝部を
外周側に位置して金属管の前方への回動に伴いその外周
面に螺旋状に巻回せしめ、次いで少くともその長手方向
の両端部を該金属管の外周面にろう付けまたは溶接して
固設せしめてなることを特徴とするフィンチューブの製
造方法。7. A band member as a fin member having a plurality of slits or concave grooves provided at one end edge in the width direction in advance at intervals in the longitudinal direction, and the slits or concave grooves are arranged on the outer peripheral side. Position and spirally wind the outer peripheral surface of the metal tube with the forward rotation of the metal tube, and then fix at least both ends in the longitudinal direction to the outer peripheral surface of the metal tube by brazing or welding. A method for producing a fin tube, comprising:
方への回動に伴いその外周面に螺旋状に巻回せしめると
ともに、該帯材の外周端縁部を径方向の外方より歯付き
あるいは溝付きローラにて内方へ押圧せしめて前記外周
端縁部に周方向に間隔を置いて複数のスリットまたは凹
溝を形成せしめ、次いで少くともその長手方向の両端部
を該金属管の外周面にろう付けまたは溶接して固設せし
めてなることを特徴とするフィンチューブの製造方法。8. A band material as a fin member is spirally wound around the outer peripheral surface of the metal tube with the forward rotation of the metal tube, and the outer peripheral edge of the band material is radially outwardly. A plurality of slits or grooves are formed at circumferentially spaced intervals on the outer peripheral edge by pressing inward with a toothed or grooved roller. A method for producing a fin tube, comprising brazing or welding to an outer peripheral surface of the fin tube to fix the fin tube.
フィン部材としての金属帯材を、その一方の端縁部に長
手方向に亘る複数のスリットあるいは凹溝により離設し
たそれぞれのフィン・ブレードの状態をもって、金属管
の前方への回動に伴いその外周面に巻回せしめて該帯材
のフィン・ブレードのなす外周端縁部を、有底溝を有す
るローラによって径方向の内方に押圧して該フィン・ブ
レード部を同一方向への波状あるいは弯曲状もしくは交
互に相対方向への弯曲状に形成せしめ、次いで少くとも
その長手方向の両端部を金属管とろう付けまたは溶接し
て固設せしめてなることを特徴とするフィンチューブの
製造方法。9. A metal strip as a fin member having a width slightly larger than a predetermined width dimension, and each fin member having one end edge portion separated by a plurality of slits or grooves extending in a longitudinal direction. With the state of the blade, the metal tube is wound around the outer peripheral surface as the metal tube is rotated forward, and the outer peripheral edge formed by the fin blade of the band material is radially inwardly moved by a roller having a bottomed groove. To form the fin blade portion in a wavy or curved shape in the same direction or alternately in a curved shape in a relative direction, and then brazing or welding at least both longitudinal ends thereof to a metal tube. A method for manufacturing a fin tube, wherein the fin tube is fixed.
すフィン部材としての金属帯材を、その一方の端縁部に
長手方向に亘る複数のスリットあるいは凹溝により離設
したそれぞれのフィン・ブレードの状態をもって、金属
管の前方への回動に伴いその外周面に巻回せしめ、該帯
材のフィン・ブレードのなす外周端縁部を相互に異なる
方向に屈曲するよう塑性変形し、次いで少くともその長
手方向の両端部を金属管とろう付けまたは溶接して固設
せしめてなることを特徴とするフィンチューブの製造方
法。10. A fin member as a fin member having a width slightly larger than a predetermined width dimension is provided at one end of the fin member by a plurality of slits or grooves extending in a longitudinal direction. With the state of the blade, the metal tube is wound around the outer circumferential surface with the forward rotation, and the outer peripheral edge formed by the fin blade of the band material is plastically deformed so as to bend in different directions from each other. A method for manufacturing a fin tube, wherein at least both ends in the longitudinal direction are fixed by brazing or welding to a metal tube.
方向に間隔を置いて複数のスリットまたは凹溝を設けた
フィン部材としての帯材を、該スリットあるいは凹溝部
を外周側に位置して金属管の前方への回動に伴いその外
周面に螺旋状に巻回せしめ、該帯材の外周端縁部を径方
向の外方よりローラにて内方へ押圧せしめて複数のスリ
ットあるいは凹溝が形成された外周端縁の少なくとも一
部に両側面側に突出するエッジ状の突条を形成し、次い
で少くともその長手方向の両端部を該金属管の外周面に
ろう付けまたは溶接して固設せしめてなることを特徴と
するフィンチューブの製造方法。11. A band material as a fin member having a plurality of slits or concave grooves provided at one end edge in the width direction in advance with a gap in the longitudinal direction, and the slits or concave grooves are arranged on the outer peripheral side. The metal tube is spirally wound around its outer peripheral surface with the forward rotation of the metal tube, and the outer peripheral edge of the band material is pressed inward by a roller from the outside in the radial direction to form a plurality of belts. At least a part of the outer peripheral edge where the slit or the concave groove is formed is formed with an edge-shaped ridge protruding on both sides, and then at least both longitudinal ends are brazed to the outer peripheral surface of the metal tube. Alternatively, a method for producing a fin tube, which is fixed by welding.
か、溝付きであるか、歯車状の突起を有するものである
ことを特徴とする請求項１１記載のフィンチューブの製
造方法。12. The fin tube manufacturing method according to claim 11, wherein the roller has a smooth peripheral surface, a grooved surface, or a gear-shaped protrusion.
面側に突出するエッジ状の突条を形成されるとともに、
長手方向に間隔を置いて複数のスリットまたは凹溝を設
けたフィン部材としての帯材を、該スリットあるいは凹
溝部を外周側に位置して金属管の前方への回動に伴いそ
の外周面に螺旋状に巻回せしめ、次いで少くともその長
手方向の両端部を該金属管の外周面にろう付けまたは溶
接して固設せしめてなることを特徴とするフィンチュー
ブの製造方法。13. An edge-shaped ridge protruding toward one side is formed in advance on one edge in the width direction.
A band material as a fin member provided with a plurality of slits or grooves at intervals in the longitudinal direction is formed on the outer peripheral surface of the metal tube as the metal tube is rotated forward by positioning the slits or grooves on the outer peripheral side. A method of manufacturing a fin tube, comprising: spirally winding and then brazing or welding at least both ends in the longitudinal direction to the outer peripheral surface of the metal tube.
方向に間隔を置いて複数のスリットまたは凹溝を設け、
かつ少なくとも他方の端縁部に幅手方向に伸びる波形部
分を形成したフィン部材としての帯材を、該スリットあ
るいは凹溝部を外周側に位置して金属管の前方への回動
に伴いその外周面に螺旋状に巻回せしめて前記波形部分
を皺状部分となし、次いで少くともその長手方向の両端
部を該金属管の外周面にろう付けまたは溶接して固設せ
しめてなることを特徴とするフィンチューブの製造方
法。14. A plurality of slits or grooves are provided at one end edge in the width direction in advance at intervals in the longitudinal direction,
A band member as a fin member having a corrugated portion extending in the width direction at least at the other end portion is formed by positioning the slit or the concave portion on the outer peripheral side and rotating the metal tube forward with the rotation. The corrugated portion is formed into a wrinkled portion by spirally winding around the surface, and at least both ends in the longitudinal direction are fixed to the outer peripheral surface of the metal tube by brazing or welding. Method of manufacturing a fin tube.
方向に間隔を置いて複数のスリットまたは凹溝を設け、
かつ少なくとも他方の端縁部に幅手方向に伸びる波形部
分を形成したフィン部材としての帯材を、該スリットあ
るいは凹溝部を外周側に位置して金属管の前方への回動
に伴いその外周面に螺旋状に巻回せしめて前記波形部分
を皺状部分となすとともに、該帯材の外周端縁部を径方
向の外方よりローラにて内方へ押圧せしめて複数のスリ
ットあるいは凹溝が形成された外周端縁の少なくとも一
部に両側面側に突出するエッジ状の突条を形成し、次い
で少くともその長手方向の両端部を該金属管の外周面に
ろう付けまたは溶接して固設せしめてなることを特徴と
するフィンチューブの製造方法。15. A plurality of slits or concave grooves are provided at one end edge in the width direction in advance at intervals in the longitudinal direction,
A band member as a fin member having a corrugated portion extending in the width direction at least at the other end portion is formed by positioning the slit or the concave portion on the outer peripheral side and rotating the metal tube forward with the rotation. A plurality of slits or grooves are formed by winding the corrugated portion into a wrinkled portion by spirally winding it around the surface, and pressing the outer peripheral edge of the band material inward from a radially outward portion with a roller. An edge-shaped ridge is formed on at least a part of the outer peripheral edge on which both sides are formed, and then at least both longitudinal ends thereof are brazed or welded to the outer peripheral surface of the metal pipe. A method for manufacturing a fin tube, wherein the fin tube is fixed.
か、溝付きであるか、歯車状の突起を有するものである
ことを特徴とする請求項１５記載のフィンチューブの製
造方法。16. The method for producing a fin tube according to claim 15, wherein the roller has a smooth peripheral surface, a grooved surface, or a gear-shaped projection.
面側に突出するエッジ状の突条を形成されるとともに、
長手方向に間隔を置いて複数のスリットまたは凹溝を設
けかつ少なくとも他方の端縁部に幅手方向に伸びる波形
部分を形成したフィン部材としての帯材を、該スリット
あるいは凹溝部を外周側に位置して金属管の前方への回
動に伴いその外周面に螺旋状に巻回せして前記波形部分
を皺状部分となし、次いで少くともその長手方向の両端
部を該金属管の外周面にろう付けまたは溶接して固設せ
しめてなることを特徴とするフィンチューブの製造方
法。17. An edge-shaped ridge protruding toward one side is formed in advance on one edge in the width direction.
A band as a fin member having a plurality of slits or grooves provided at intervals in the longitudinal direction and having a corrugated portion extending in the width direction at least at the other end edge, the slit or groove is formed on the outer peripheral side. As the metal tube is turned forward, it is spirally wound around its outer peripheral surface to form the corrugated portion into a wrinkled portion, and at least both longitudinal ends of the outer peripheral surface of the metal tube. A method for producing a fin tube, comprising brazing or welding to a metal plate and fixing the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26710798A JPH11325778A (en) | 1998-03-12 | 1998-09-21 | Finned tube and manufacture thereof |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10-80390 | 1998-03-12 | ||
| JP8039098 | 1998-03-12 | ||
| JP26710798A JPH11325778A (en) | 1998-03-12 | 1998-09-21 | Finned tube and manufacture thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11325778A true JPH11325778A (en) | 1999-11-26 |
Family
ID=26421405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26710798A Withdrawn JPH11325778A (en) | 1998-03-12 | 1998-09-21 | Finned tube and manufacture thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11325778A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7093650B2 (en) | 2003-09-01 | 2006-08-22 | Usui Kokusai Sangyo Kaisha, Ltd. | Heat conduction pipe externally covered with fin member |
| EP1729079A1 (en) * | 2005-05-30 | 2006-12-06 | Son S.R.L. | Method for producing a heat exchange unit for a recovery steam generator, a heat exchange unit, a recovery steam generator and a tube for a heat exchange unit |
| WO2011103574A3 (en) * | 2010-02-19 | 2011-12-01 | Blissfield Manufacturing Company | Heat exchanger fins, assemblies and methods |
| CN104034195A (en) * | 2014-06-25 | 2014-09-10 | 上海理工大学 | H-type torsional tooth fin tube and H-type torsional tooth fin tube heat changing tube bundles |
| JP2015021650A (en) * | 2013-07-17 | 2015-02-02 | 三菱重工業株式会社 | Heat transfer tube structure |
| CN105716101A (en) * | 2016-03-19 | 2016-06-29 | 杨德俊 | Boiler flue gas treatment device |
-
1998
- 1998-09-21 JP JP26710798A patent/JPH11325778A/en not_active Withdrawn
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7093650B2 (en) | 2003-09-01 | 2006-08-22 | Usui Kokusai Sangyo Kaisha, Ltd. | Heat conduction pipe externally covered with fin member |
| CN100342203C (en) * | 2003-09-01 | 2007-10-10 | 臼井国际产业株式会社 | Heat transfer pipe with radiating fin parts |
| EP1729079A1 (en) * | 2005-05-30 | 2006-12-06 | Son S.R.L. | Method for producing a heat exchange unit for a recovery steam generator, a heat exchange unit, a recovery steam generator and a tube for a heat exchange unit |
| WO2011103574A3 (en) * | 2010-02-19 | 2011-12-01 | Blissfield Manufacturing Company | Heat exchanger fins, assemblies and methods |
| KR101414309B1 (en) * | 2010-02-19 | 2014-07-02 | 블리스필드 매뉴팩츄어링 캄파니 | Heat exchanger fins, assemblies and methods |
| JP2015021650A (en) * | 2013-07-17 | 2015-02-02 | 三菱重工業株式会社 | Heat transfer tube structure |
| CN104034195A (en) * | 2014-06-25 | 2014-09-10 | 上海理工大学 | H-type torsional tooth fin tube and H-type torsional tooth fin tube heat changing tube bundles |
| CN104034195B (en) * | 2014-06-25 | 2016-09-14 | 上海理工大学 | Tooth finned tube turned round by H type and tooth finned tube heat-exchanging tube bundle turned round by H type |
| CN105716101A (en) * | 2016-03-19 | 2016-06-29 | 杨德俊 | Boiler flue gas treatment device |
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