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    • 61. 发明申请
    • Internal grooved tube and manufacturing method thereof
    • 内槽管及其制造方法
    • US20010027859A1
    • 2001-10-11
    • US09792902
    • 2001-02-26
    • Koji YamamotoTetsuya SumitomoYasutoshi MoriToshiaki Hashizume
    • F28F013/18F28F019/02F28F001/20F28F001/14F28F001/36
    • F28F1/40B21C37/207Y10T29/49373Y10T29/49382Y10T29/49384
    • An internal grooved tube according to the present invention comprises a large number of fine spiral grooves on the inside surface in parallel arrangement, wherein the grooves are formed to assure that the ratio of a groove width in the tube axial direction to a groove height is in the range of 1 to 2. A lead angle null of the grooves to the tube axis is preferably limited to 26 to 35 degrees. A method of manufacturing an internal grooved tube according to the present invention comprises the steps of inserting a grooved plug into a blank tube rotatably, and then pressing the blank tube against the outside surface of the grooved tube with several balls revolving both around the circumference of the blank tube and on its axis in a location of the grooved plug inserted, while drawing out the blank tube longitudinally in one direction, wherein the number of balls is limited to 2 to 3.
    • 根据本发明的内部沟槽管在平行布置的内表面上包括大量细螺旋槽,其中形成槽以确保管轴向方向上的槽宽度与槽高度的比率在 1〜2的范围。槽与管轴的导角θ优选为26〜35度。 根据本发明的制造内槽管的方法包括以下步骤:可旋转地将凹槽插入坯管中,然后将坯管压靠在带槽管的外表面上,其中多个滚珠围绕圆周旋转 在插入插槽的插槽的位置上的空白管和其轴线上,同时沿着一个方向纵向拉出坯料管,其中球的数量被限制在2到3个。
    • 62. 发明申请
    • Leakage monitoring of air conditioning systems
    • 空调系统泄漏监控
    • US20040250983A1
    • 2004-12-16
    • US10832572
    • 2004-04-26
    • Michael ArndtGerd LorenzThomas Sperlich
    • F28F001/00F28F013/18F28F019/02F28D001/00F28F027/00
    • B60H1/008B60H1/00978B60H3/0085F25B2309/06
    • A device for detecting a leakage in a motor vehicle air conditioning system that utilizes carbon dioxide as the cooling material is provided. The device for detecting leakage includes: at least one sensor for rapid detection of especially high rate of increase of the carbon dioxide concentration and/or particularly high carbon dioxide concentration in the air of the passenger compartment; an evaluation device for evaluating the ascertained rate of increase and/or concentration; and at least one actuator which, in the case that the rate of increase and/or concentration exceeds a threshold value, performs a remedial action. The remedial action includes: carrying out forced ventilation measures of the passenger compartment; closing the ventilation channels that lead into the inner space of the vehicle; and/or separating off that part of the air conditioning system which is in contact with the air in the passenger compartment from the part of the air conditioning system that is not in contact with the air in the passenger compartment.
    • 提供一种用于检测利用二氧化碳作为冷却材料的机动车辆空调系统中的泄漏的装置。 用于检测泄漏的装置包括:用于快速检测乘客舱空气中二氧化碳浓度特别高的增加速率和/或二氧化碳浓度特别高的至少一个传感器; 用于评估确定的增加和/或集中率的评估装置; 以及至少一个致动器,在增加和/或浓度超过阈值的情况下,执行补救动作。 补救措施包括:对乘客舱进行强制通风措施; 关闭通向车辆内部空间的通风通道; 和/或将空调系统的与乘客舱中的空气接触的部分与空调系统的不与客舱中的空气接触的部分分离出来。
    • 67. 发明申请
    • Surface treatment method for improving the surface wettability of wet surface heat exchangers
    • 用于改善湿表面热交换器表面润湿性的表面处理方法
    • US20040003619A1
    • 2004-01-08
    • US10615327
    • 2003-07-08
    • Dae Young LeeJae Beom Byun
    • F28D001/00A23C003/04F28C001/00F28F013/18F28F019/02F28D005/00
    • F28F13/18F28D5/02F28F19/02F28F2245/02
    • The present invention relates to the methods for hydrophilization, capable of greatly improving the surface wettability of wet surface heat exchangers by transforming the solid surface to an improved surface having hydrophilic porous structure. In order to form the hydrophilic porous structure on the surface, the present invention provides two methods. One method consists of the operations of making the coating composition by blending micro solid particles with the hydrophilic binders; spreading the coating composition onto the surface of a heat exchanger by means of spraying or dipping; and curing the coated surface of a heat exchanger. Another method to build the hydrophilic porous structure consists of the operation of roughening the surface of the heat exchanger by corroding the surface chemically or electrochemically, or by use of the physical process; and processing hydrophilization of the surface of said heat exchanger.
    • 本发明涉及亲水化方法,其能够通过将固体表面转化为具有亲水性多孔结构的改进表面而大大改善湿表面热交换器的表面润湿性。 为了在表面上形成亲水性多孔结构,本发明提供两种方法。 一种方法包括通过将微固体颗粒与亲水性粘合剂混合来制备涂料组合物的操作; 通过喷涂或浸渍将涂料组合物涂布在热交换器的表面上; 并固化热交换器的涂覆表面。 构建亲水性多孔结构的另一种方法包括通过化学或电化学腐蚀表面或通过使用物理过程来粗糙化热交换器的表面的操作; 并处理所述热交换器的表面的亲水化。
    • 70. 发明申请
    • Heat transfer tube with ribbed inner surface
    • 传热管带肋内表面
    • US20030168209A1
    • 2003-09-11
    • US10382378
    • 2003-03-06
    • Christoph Walther
    • F28F013/18F28F019/02F28F013/00
    • F28F1/32F28F1/40F28F13/04
    • A heat transfer tube (1) having a ribbed inner surface which is divided into at least two zones (Z1, Z2, . . . , Zn) in circumferential direction, which zones are classified into at least two zone classes (K1, K2, . . . , Kjnull1, . . . , Km). Ribs (1) having a rib height h1 extend at a helix angle null1 with respect to the longitudinal direction of the tube in the zones of at least one zone class (K1, K2, . . . , Kj). Ribs (2) having a rib height h2 extend at a helix angle null2 in the zones of at least one further zone class (Kjnull1, Kjnull2, . . . , Km), which ribs (2) are intersected by ribs (3) having a rib height h3 extending at a helix angle null3 (null3nullnull2). Preferably are h2, h3nullh1.
    • 具有肋状内表面的传热管(1)在圆周方向上划分为至少两个区域(Z1,Z2,...,Zn),所述区域被分为至少两个区域类别(K1,K2, ...,Kj + 1,...,Km)。 具有肋高度h1的肋(1)在至少一个区类(K1,K2,...,Kj)的区域中相对于管的纵向方向以螺旋角α1延伸。 具有肋高度h2的肋(2)在至少一个另外的区类(Kj + 1,Kj + 2,...,Km)的区域中以螺旋角α2延伸,肋(2)与肋相交 (3)具有以螺旋角α3(α3<α2)延伸的肋高度h3。 优选h2,h3 <= h1。