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    • 35. 发明公开
    • Forming tool movement unit, particularly for manifold closing machines
    • 成型工具的移动单元,特别是用于机器用于关闭歧管
    • EP1388382A1
    • 2004-02-11
    • EP03016589.8
    • 2003-07-28
    • C.M.S. Costruzione Macchine Speciali S.r.l.
    • Maggiolo, Vinicio
    • B21D41/04B21D41/00B21D53/02
    • B23Q1/56B21D41/00B21D41/045B21D53/02Y10T82/30
    • A forming tool movement unit, particularly for manifold closing machines, comprising a rotating head (11) supporting forming tools (12) slidable in mutually opposite radial directions with coordinated movements, a supporting frame (13) on which a supporting element (14) is slidable in axial direction with a stroke controlled electronically, the body (15) of a first double-acting actuator (16) being coupled to the supporting element (14) for rotation and movement in an axial direction, the actuator (16) being connected to a motor (33), and the body (15) of the first actuator (16) supporting coaxially and at the front the head (17a) into which its stem (17) extends movable with a stroke controlled electronically and with the head (17a) connected to the forming tools (12).
    • 的成形工具移动单元,特别是用于歧管封闭的机器,包括一旋转头(11)支撑的成形工具(12)可滑动在与协调运动彼此相反的径向方向,支撑框架(13),其上的支撑元件(14)是 与电子控制的行程沿轴向方向滑动,被耦合到用于在轴向方向旋转和移动所述支撑元件(14)的第一双作用致动器(16)的主体(15),致动器(16)被连接 同轴并支持在成其杆(17)延伸,可移动的电子控制的行程,并与所述头部(前面的头部(17a)的马达(33)和第一致动器(16)的主体(15) 17A)连接到所述成形工具(12)。
    • 40. 发明公开
    • FINNED TUBE HEAT EXCHANGER WITH SECONDARY STAR FINS AND METHOD FOR ITS PRODUCTION
    • 翅片管热交换器,次要STAR板状肋,AND METHOD FOR THE
    • EP0809778A4
    • 1999-03-17
    • EP96907114
    • 1996-02-14
    • HEAT PIPE TECHNOLOGY INC
    • DINH KHANH
    • B21D53/02F28F1/24F28F1/32F28F1/20F28F1/30H01R43/16
    • B21D53/02F28F1/24F28F1/32Y10T29/49373Y10T29/49378
    • The heat exchange efficiency of a finned tube heat exchanger (30) is increased by providing secondary heat exchange surfaces (46) which are dimensioned and configured to maximize heat exchange with the surrounding fluid. These secondary heat exchange surfaces (46), formed from materials which would normally be wasted when blanks are removed from the fins to form apertures (50) for receiving the tubes (32), are formed by bending the preserved materials into star-shaped structures which increase the surface area in contact with the surrounding fluid. The secondary heat exchange surfaces (46) increase the surface area of the fin (34a, 34b) which is available for heat exchange, and provide this increased surface area at a location maximizing heat transfer capability to the surrounding fluid and to the tubes. The heat exchanger can be constructed in a simple and inexpensive process while preventing fin presses or related machinery from being jammed by removed materials.
    • 翅片管热交换器的热交换效率是通过提供其尺寸和构造成最大限度地与周围的流体热交换的二次热交换表面增加。 这些次级热交换表面,从材料形成了通常会被浪费掉。当坯料从散热片去除以形成孔,用于容纳管子,由保留材料弯曲成,其与增加的表面积接触星形结构形成的 周围的流体。 二次热交换表面增加的翅片所有这些是可用于热交换的表面区域,并且在这个位置提供增加的表面积最大化传热能力到周围的流体和所述管中。 所述热交换器可以以简单且廉价的方法,而从通过移除的材料被卡住防止翅片压机或相关的机械构造。