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    • 2. 发明授权
    • Method for producing finned tubes and finned tube produced thereby
    • 由此制造翅片管和翅片管的方法
    • US6147317A
    • 2000-11-14
    • US193032
    • 1994-02-03
    • Georg Brundermann
    • Georg Brundermann
    • B23K9/00B21C37/26B23K9/032B23K9/32B23K37/053B23K101/08B23K9/173
    • B23K9/0325B21C37/26B23K2201/08B23K2201/14
    • The invention relates to a finned tube (1), a process for its manufacture and a device for performing the process. The process involves at least one endless strip (4), forming the fins, being wrapped around a rotating tube body (2) in roughly helical fashion and the narrow side of the strip (4) facing the tube body (2) being joined to the tube surface by means of a welding device (7). In order to be able to work with little financial outlay and in an energy-saving manner, and to create a product where the entire width of the base of the fin is optimally joined to the tube surface and the joint area displays good thermal conduction, the working end of the welding device (7) is inserted into the free wedge-shaped space between the tube surface (3) and the strip (4) where, with the aid of the welding device (7) a welding bead (11) is applied, running exactly in the area of the joint between the strip (4) and the tube surface (3), to the tube surface (3) using a filler, before the narrow edge of the strip (4) to be joined makes contact. The narrow edge of the strip (4) to be joined is subsequently pressed into the welding bead (11) while it is still liquid. (FIG. 1)
    • PCT No.PCT / DE92 / 00591 Sec。 371日期:1994年2月3日 102(e)日期1994年2月3日PCT提交1992年7月17日PCT公布。 出版物WO93 / 02829 日期:1993年2月18日本发明涉及一种翅片管(1),其制造方法和用于执行该过程的装置。 该过程涉及至少一个环形条(4),形成翅片,围绕旋转管体(2)以大致螺旋方式缠绕,并且条带(4)的面向管体(2)的窄边被连接到 管表面借助于焊接装置(7)。 为了能够以少量的经济支出和节能的方式工作,并且为了创建一种产品,其中鳍的基部的整个宽度最佳地接合到管表面并且接合区域显示出良好的热传导, 焊接装置(7)的工作端插入在管表面(3)和条带(4)之间的自由楔形空间中,借助于焊接装置(7)焊接焊道(11) 在条带(4)的窄边缘被接合之前,使用填料在管条(4)和管表面(3)之间的接合区域精确地运行到管表面(3) 联系。 待连接的条带(4)的窄边缘随后被压入焊珠(11),同时其仍然是液体。 (图。
    • 3. 发明授权
    • Oval bell concept
    • 椭圆形钟概念
    • US4077559A
    • 1978-03-07
    • US726862
    • 1976-09-27
    • James J. Watson, Jr.
    • James J. Watson, Jr.
    • B23K1/00B23K1/20F16L13/08F28F9/26B23K1/12B23K1/06
    • F28F9/26B23K1/0012B23K1/20F16L13/08B23K2201/08B23K2201/14B23K2203/12Y10T29/49375Y10T29/4944
    • This invention relates to apparatus for facilitating the construction of a heat exchanger, such as a condenser or evaporator employed in an air conditioning system, wherein exchanger tubes extending through a plate fin assembly are joined together by means of return bend connections or the like. The ends of the tube are provided with an oval shaped bell in which are telescoped the return bends. Diametrically opposed nibs are formed on the outer surface of the return bend connectors near the distal end thereof. The outside diameter over the nibs is slightly larger than the minor inside diameter of the oval bell. The nibs are inserted into the bell aligned along the minor diameter of the opening. The nibs are thus caused to ride in engagement against the wall of the bell to frictionally support the connector in assembly. The joint is then immersed in a molten solder bath whereby solder flows freely into the joint region along the major axis to create a highly reliable joint.
    • 本发明涉及一种用于促进热交换器(例如在空调系统中使用的冷凝器或蒸发器)的构造的装置,其中延伸穿过板翅片组件的交换器管通过回弯连接件等连接在一起。 管的端部设置有椭圆形的钟形,其中可伸缩的弯曲部分。 在靠近其远端的返回弯曲连接器的外表面上形成有直径相对的笔尖。 尖头上的外径略大于椭圆形钟的小内径。 将笔尖插入沿着开口的小直径对准的铃。 因此,笔尖被引入与钟形的壁接合,以摩擦地支撑连接器的组装。 然后将接头浸入熔融焊料浴中,由此焊料沿着长轴自由流入接头区域以产生高度可靠的接头。
    • 4. 发明授权
    • Pipe clamp
    • 管夹
    • US5816475A
    • 1998-10-06
    • US693179
    • 1996-09-30
    • Roger Stephen Brookhouse
    • Roger Stephen Brookhouse
    • B23K37/053
    • B23K37/0531B23K2201/08
    • In accordance with the invention there is provided an internal line-up clamp for securing two adjacent pipe sections together in end-to-end relationship comprising a first clamping mechanism operable to extend a first set of circumferentially disposed clamping shoes radially into clamping engagement with the interior of a first pipe section; a second clamping mechanism operable to extend a second set of circumferentially disposed clamping shoes radially into clamping engagement with the interior of a second pipe section; and a back-up shoe mechanism comprising a plurality of circumferentially extending back-up shoes arranged to provide a radially outer cylindrical surface. The back-up shoes being located axially between the sets of clamping shoes and being extendible radially outwardly into engagement with the interior of the pipe sections when the sections are clamped by respective clamping mechanisms. Conveniently each of the back-up shoes is resiliently biased in a radially outward direction so as to be engageable under bias with the interior walls of and to bridge an axial spacing between adjacent pipe sections when they are clamped by the respective clamping mechanisms.
    • PCT No.PCT / GB95 / 00308 Sec。 371日期1996年9月30日 102(e)日期1996年9月30日PCT提交1995年2月14日PCT公布。 出版物WO95 / 21721 日期1995年8月17日根据本发明,提供了一种用于将两个相邻管段固定在一起的端对端关系的内部排线夹具,包括第一夹紧机构,其可操作以沿径向延伸第一组周向设置的夹紧 与第一管段的内部夹紧接合; 第二夹紧机构,其可操作以将第二组沿圆周方向设置的夹紧板径向延伸成与第二管段的内部夹紧接合; 以及备用鞋机构,其包括布置成提供径向外圆柱形表面的多个周向延伸的后支撑鞋。 所述支撑鞋轴向位于所述夹紧鞋组之间,并且当所述部分被相应的夹紧机构夹紧时,所述支撑鞋沿径向向外延伸以与所述管部分的内部接合。 方便的是,每个后备鞋在径向向外的方向上被弹性地偏压,以便在它们被相应的夹持机构夹持时,可以在偏压下与内壁接合,并且在相邻的管部之间桥接轴向间隔。