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    • 71. 发明专利
    • STRIPE-PLATING DEVICE
    • JPH03183794A
    • 1991-08-09
    • JP32090389
    • 1989-12-11
    • HITACHI CABLE
    • HAGITANI SHIGEOSASAKI SATOSHISUZUMURA TAKASHI
    • C25D5/02
    • PURPOSE:To prevent the leakage of a plating soln. from the deformed or stepped part of a strip to be plated by detecting the negative pressure in the space for sucking the injected soln. with a negative pressure sensor and controlling the injection of the soln. in accordance with the detection result. CONSTITUTION:The plating soln. 2 stored in a plating soln. tank 4 is forcedly circulated through an auxiliary tank 6 by a pump 5, and the pressurized soln. 2 is injected from a nozzle 3 to stripe-plate the surface 21 of the strip 20 formed on the masking tape 22. The injected soln. 2 is sucked by a suction pump 8, and recovered in the tank 4 through a recovery port 7. At this time, the negative pressure in the suction space is detected by a negative pressure sensor 12, an automatic control mechanism is actuated when the negative pressure does not reach a specified value, and the pump 5 is slowed or stopped to control the injection of the soln. 2. Consequently, the leakage of the soln. 2 from the connection or deformed part of the strip 20 is prevented, and the quality of a long-sized stripe-plated strip is improved.
    • 74. 发明专利
    • Method for formation of evaporation heat transmission wall
    • 形成蒸发传热墙的方法
    • JPS61109627A
    • 1986-05-28
    • JP22872384
    • 1984-10-30
    • Hitachi Cable Ltd
    • NAKAYAMA YOSHIHIKOSASAKI SATOSHIYOSHIDA HIROMICHIFUKUDA SHIGEO
    • B21D53/06B23P15/26F28F1/10F28F13/18
    • F28F13/18
    • PURPOSE:To easily obtain a heat transmission wall of high heat transmission characteristics by forming slots and fins on the surface of a heat transmission wall, making appearance of projections inside holes when the fins are transformed. CONSTITUTION:First of all, a plurality of shallow slots 7 are formed on the surface of base metal for heat transmission wall 1. Thereafter, across these shallow slots 7, and on the surface of the base metal of heat transmission wall 1, formed a plurality of fins 11 which have regular notches 12 in the tip side and projections at the slant portion or around troughs by raising up the surface cutting it through a cutting-off process like spading. Moreover, each projection 4 which projects into the direction across the hole is formed inside the hole 5 by putting down the tip of this fin 11 to a close adherence to the adjacent fin. Now, the projection 4 in the hole acts as a traffic controller in the hole 5 for the liquid passing through it, and exchanges vapor in the cavity hole with liquid outside simultaneously.
    • 目的:通过在传热壁的表面形成狭槽和翅片,轻松获得高传热特性的传热壁,当翅片变形时,使孔内的突起出现。 构成:首先,在用于传热壁1的贱金属的表面上形成多个浅槽7.此后,在这些浅槽7之间,并且在传热壁1的基体金属的表面上形成 在顶端侧具有规则凹口12的多个翅片11,并且通过提升通过诸如尖峰的切断处理将其切割的表面的倾斜部分或周围的波谷的突起。 此外,通过将该翅片11的前端放下,使其相对于相邻的翅片紧密地附着,从而在孔5的内部形成贯穿孔的突起4的突起4。 现在,孔中的凸起4用作通孔5中的流量控制器,用于通过其中的液体,并且同时在液体孔中与液体交换蒸气。
    • 75. 发明专利
    • EVAPORATION AND HEAT TRANSFER WALL
    • JPS6064196A
    • 1985-04-12
    • JP17281083
    • 1983-09-19
    • HITACHI CABLEHITACHI LTD
    • SASAKI SATOSHIYOSHIDA HIROMICHIFUKUDA SHIGEOOOIZUMI KIYOSHIKAKIZAKI KIMIONAKAYAMA HISASHIOOGURO TAKAHIRONAKAJIMA TADAKATSUNAKAYAMA YOSHIHIKO
    • F28F13/02F28F1/10F28F1/32F28F13/18
    • PURPOSE:To improve the heat transfer performance of the wall by a method wherein the hole of the heat transfer wall is provided with a protuberance, protruding into a direction crossing the hole, at the inside thereof to regulate the trafic of fluid passing through the hole. CONSTITUTION:When the pressure of steam bubble 103 becomws higher than the stabilizing condition of gas-liquid interface in a narrow clearance 107, a part of the steam bubble 103 is released to the outside of the heat transfer wall 1 as an air bubble 101. On the other hand, external liquid is supplied from the narrow clearance 107' into a cavity 2 by the pressure fluctuation and capillary force in the cavity 2 associated with the grow and release of the air bubble 101. A liquid film 105 between the steam bubble 103 and the inside of the cavity is very thin, therefore, it is evaporated immediately when it is slightly overheated by the wall of the cavity and supplies steam to the steam buble 103. On the other hand, the supply of external liquid 102 collides once against the protuberance 6 and thereafter is introduced into the cavity 2, therefore, it flows into the cavity 2 in the state of overheated liquid. The liquid, flowing into the cavity 2, is changed in the flow direction thereof by the protuberance 6, therefore, the supply of liquid to the liquid film 105 is effected smoothly and the supplying amount is limited. thus, the high heat transfer rate may be obtained since the stable liquid film is formed in the cavity 2, and especially the heat transfer rate in the area of low overheating of the heat transfer wall may be improved remarkably.
    • 77. 发明专利
    • Boiling type heat transfer tube and manufacture thereof
    • 锅炉式换热管及其制造
    • JPS59176593A
    • 1984-10-05
    • JP4954883
    • 1983-03-24
    • Hitachi Cable LtdHitachi Ltd
    • YOSHIDA HIROMICHISASAKI SATOSHIFUKUDA SHIGEONAKAYAMA HISASHIOOGURO TAKAHIRONAKAYAMA YOSHIHIKO
    • F28F13/02F28F1/12F28F1/42F28F13/18
    • F28F13/187
    • PURPOSE:To contrive to increase the overall heat transferring efficiency of a boiling type heat transfer tube, by forming channels which function as openings for tunnels provided on the outer surface of a heat transfer tube, as well as to form projections in the tube by a corrugation work in order to increase the heat transferring rate. CONSTITUTION:A heat transfer tube of out of tube boiling type for a heat exchanger is manufactured by treating a corrugation work and forming spiral projections 4 on the inside wall of a heat transfer tube 1, as well as to form spiral channels 3 on the outer surface of a tube, and in addition, by forming a number of fine tunnels 7 of which both ends are opened to the vicinity of the spiral channels 3, which are formed on the outer surface between the above-mentioned channels 3. The tunnels 7 being formed in such a manner function as part of bubbles generated and grown from liquid, when a liquid medium which is to be boiled is passed through the outer side of a tube, while a liquid in comparatively high temperature, which is not accompanied with a phase change in the tube, is passed through the inside of a tube. On the other hand, the projectins 4 being formed on the inside of a tube by corrugation work act so as to increase the heat transferring rate in the tube.
    • 目的:为了提高沸腾型传热管的整体传热效率,通过形成用作设置在传热管的外表面上的隧道开口的通道,以及在管中形成突起 波纹工作,以提高传热速率。 构成:通过处理波纹工件并在传热管1的内壁上形成螺旋突起4并且在外部形成螺旋形通道3来制造用于热交换器的管沸腾型换热器的传热管 并且另外,通过在上述通道3之间的外表面上形成有多个形成在螺旋通道3附近的两端开口的细孔7。隧道7 以这样的方式形成作为从液体产生和生长的气泡的一部分的功能,当待沸腾的液体介质通过管的外侧时,同时不伴随着液体的相对高温的液体 管中的相变通过管的内部。 另一方面,通过波纹工作形成在管的内部的突起4起作用,以增加管中的传热速率。
    • 78. 发明专利
    • Boiling type heat transfer wall and forming method thereof
    • 锅炉式热交换器及其形成方法
    • JPS59145496A
    • 1984-08-20
    • JP1905683
    • 1983-02-08
    • Hitachi Cable LtdHitachi Ltd
    • YOSHIDA HIROMICHISASAKI SATOSHIFUKUDA SHIGEOKAKIZAKI KIMIONAKAYAMA HISASHIOOGURO TAKAHIRONAKAJIMA TADAKATSUNAKAYAMA YOSHIHIKO
    • F28F13/02F28F1/10F28F1/12F28F13/18
    • F28F13/187
    • PURPOSE:To obtain a heat transfer wall whose boiling heat transfer property is improved through tunnels, by forming two layers of a plurality of fine tunnels that are located under each surface between grooves with a large pitch, are extended crossing with the grooves, and are formed integrally with a heat transfer wall and whose both ends are in communication with the grooves. CONSTITUTION:A heat transfer pipe includes a heat transfer main pipe 1 having the helical grooves with a large pitch, and two rows of the plurality of fine tunnels 3, 4 are extended under each suface between the grooves 2 normally to the grooves 2 and are integrated with the main body 1. The inclinations of the rows of the tunnels 3, 4 may or may not the same to the grooves 2. The numbers of the tunnels in the rows may or may not the same. The opposite ends of the tunnels 3, 4 are open adjacent to the grooves 2, and are in communication with the outside via each of gaps 5. The inside of the pipe main body 1 may be smooth, but in this aembodiment, the parts corresponding to the grooves are projected helically. Accordingly, if the fluid in the pipe flows slowly, turbulence effect occurs, and the heat transfer efficiency in the pipe can be improved.
    • 目的:为了获得通过隧道提高沸腾传热性能的传热壁,通过形成两层位于各槽之间的大间距下方的多个细小的隧道,与槽相交,并且 与传热壁一体形成,并且其两端与凹槽连通。 构成:传热管包括具有大间距的螺旋槽的传热主管1,并且多个细沟3和4中的两排在槽2之间的每个表面正常延伸到槽2,并且分别是 与主体1集成。隧道3,4的行的倾斜度可以与凹槽2相同或相同。行中的隧道数可以相同也可以不相同。 隧道3,4的相对端部与沟槽2相邻地开口,并且经由每个间隙5与外部连通。管主体1的内部可以是平滑的,但是在该实施例中,对应的部件 凹槽被螺旋地投影。 因此,如果管道中的流体缓慢地流动,则发生湍流效应,并且可以提高管道中的传热效率。
    • 79. 发明专利
    • Boiling type heat transfer wall
    • 锅炉式热交换器
    • JPS59145495A
    • 1984-08-20
    • JP1905583
    • 1983-02-08
    • Hitachi Cable LtdHitachi Ltd
    • YOSHIDA HIROMICHISASAKI SATOSHIFUKUDA SHIGEOKAKIZAKI KIMIONAKAYAMA HISASHIOOGURO TAKAHIRONAKAYAMA YOSHIHIKO
    • F28F13/02F28F1/12F28F13/18
    • F28F13/187
    • PURPOSE:To obtain a heat transfer wall whose production is easy, quality is stable and property is excellent, by winding, on a fin tip section on a finned surface, a tape whose width is wider than the pitch of the fins and that has a plurality of grooves extending laterally in the one surface. CONSTITUTION:The surface of a pipe material 1 is cut helically to form fins 2 whose tips are sharply tapered, and the copper tape 3 having corrugations with a pitch of 0.4-1.0mm., the thickness of the tape 3 being 0.05-0.3mm. and the width of the tape 3 being 2-10mm., is wound helically on the fins with a gap of the turns of the tape being 0.2-1.5mm. and is secured partially to the pipe material 1. Thus, a plurality of tunnels 5 are formed under the tape 3, the lower parts of the tunnels 5 being defined by the fins 2 and the upper parts of the tunnels 5 being in communication with each other via the grooves 4. An open part 6 is formed between the turns of the tape 3, the open part 6 being in communication with the outside. Steam bubbles generated in the tunnels 5 would not be released immediately outside but remain there, so that steam bubbles would be produced efficiently in the tunnels 5. The open part 6 serves as a releasing section for allowing part of the steam bubbles spread in the tunnels 4 and also as an inlet of the liquid into the tunnels 5, so that boiling thereof is made active and the heat transfer efficiency can be increased.
    • 目的:为了获得容易生产的传热壁,质量稳定,性能优良,通过在翅片表面上的翅片末端部分卷绕宽度大于翅片间距的带材,并具有 多个槽在一个表面中横向延伸。 构成:将管材1的表面螺旋状切割,形成尖端尖锐的翅片2,铜带3的间距为0.4〜1.0mm的波纹,带3的厚度为0.05〜0.3mm 。 并且带3的宽度为2-10mm,螺旋地缠绕在翅片上,带的匝间隙为0.2-1.5mm。 并且部分地固定在管材1上。因此,在带3的下方形成有多个通道5,隧道5的下部由翅片2限定,并且隧道5的上部与每个 另一个通过凹槽4.开口部分6形成在带3的匝之间,开放部分6与外部连通。 在隧道5中产生的蒸汽气泡不会立即在外面释放,而是留在那里,从而在隧道5中有效地产生蒸汽气泡。开放部分6用作释放部分,用于允许在隧道中扩散的一部分蒸气泡 并且还作为液体进入隧道5的入口,使得其沸腾被激活并且可以提高传热效率。