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    • 111. 发明专利
    • MANUFACTURE OF CYLINDRICAL HEAT EXCHANGER
    • JPS61280388A
    • 1986-12-10
    • JP11488985
    • 1985-05-28
    • SANYO ELECTRIC CO
    • KOBAYASHI MASAHIROHOSODA YUJIYOSHIDA NOBUYUKI
    • F28D1/06F28D7/02
    • PURPOSE:To enable the manufacture of the simple heat exchanger by a method wherein an inner tube, having smooth inner and outer surfaces, is inserted into an outer tube, formed with spiral grooves, having inlet ports at one end and outlet ports at the other end, on the inner surface of a predetermined range, while both ends of the outer tube are connected to the outer surface of the inner tube through arc welding. CONSTITUTION:The outer tube 5, provided with spiral groove 2, continuous from one end to the other end within a predetermined range and formed with the inlet port 3 of refrigerant at one end of the groove 2 while the outlet port 4 of the refrigerant is formed at the other end thereof, is provided. The inner tube 1 having inner and outer smooth surfaces is inserted into the outer tube 5 to block the openings of the groove 2 by the outer surface of the inner tube 1 and the whole periphery of both ends of the outer tube 5 is connected to the outer surface of the inner tube 1 through TIG welding W whereby the cylindrical heat exchanger 7, formed with the spiral refrigerant flow path continuously from the inlet port 3 to the outlet port 4, may be completed. According to this manufacturing method, large-scale equipments, jigs or the like become unnecessary and working process may be reduced remarkably.
    • 112. 发明专利
    • Heat pump type water heater
    • 热泵型热水器
    • JP2010236736A
    • 2010-10-21
    • JP2009083840
    • 2009-03-31
    • Sanyo Electric Co Ltd三洋電機株式会社
    • KOBAYASHI MASAHIRO
    • F25B47/02F24H1/00F25B1/00F25B30/02
    • PROBLEM TO BE SOLVED: To shorten defrosting time for defrosting operation to remove frost generated on an evaporator. SOLUTION: During normal cycle operation, when -5°C or less of a temperature of the evaporator 7 is detected by a temperature detection sensor 30, a defrosting solenoid valve 12 is opened to make a refrigerant flow from an intermediate portion between low pressure and high pressure sides of a compressor 1 to the evaporator 7 via a branch path 13, so as to remove frost generated and adhered on the evaporator 7. In this case, initially, by a CPU 41, the operation frequency of the compressor 1 is set to be from approximately 100 Hz to 85 Hz, and a first electric expansion valve 6 is set to be 450 steps in the fully open state. After five seconds passes, the defrosting solenoid valve 12 is opened to make a refrigerant flow from the intermediate portion between the low pressure and high pressure sides of the compressor 1 to the evaporator 7 via the branch path 13, so as to remove frost generated and adhered on the evaporator 7. Therefore, by an intermediate-pressure high-temperature gas refrigerant via the branch path 13 and a high-pressure high-temperature gas refrigerant via the first electric expansion valve 6 in the fully open state, defrosting is performed for a relatively short time. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:缩短除霜操作的除霜时间,以消除蒸发器产生的结霜。 解决方案:在正常循环操作期间,当温度检测传感器30检测到蒸发器7的温度-5℃以下时,除霜电磁阀12打开,使制冷剂从第二 压缩机1的低压侧和高压侧经由分支路径13流到蒸发器7,从而除去产生并附着在蒸发器7上的结霜。在这种情况下,最初由CPU41将压缩机的运转频率 1设定为约100Hz至85Hz,第一电动膨胀阀6在完全打开状态下设定为450步。 五秒钟后,除霜电磁阀12打开,使制冷剂从压缩机1的低压侧和高压侧之间的中间部分经由分支路13流向蒸发器7,从而除去产生的霜, 附着在蒸发器7上。因此,通过分支路径13的中压高温气体制冷剂和处于完全打开状态的第一电动膨胀阀6的高压高温气体制冷剂,进行除霜 相对较短的时间 版权所有(C)2011,JPO&INPIT
    • 116. 发明专利
    • HEAT EXCHANGER
    • JP2000314600A
    • 2000-11-14
    • JP2000053617
    • 2000-02-29
    • SANYO ELECTRIC CO
    • KOBAYASHI MASAHIROMUKODA HIDEAKIMUKOYAMA HIROSHISAWADA NORIOUEDA MASAFUMIISHIGAKI SHIGEYASATO KOJI
    • F28F1/32
    • PROBLEM TO BE SOLVED: To make distribution of the flow of air passing through a slit uniform by setting the width of the slit formed in a heat transfer fin, the width of the heat transfer fin, and (the number of rows of the slits formed in the heat trans fer fin)/(the numbers of rows of the heat transfer fins) so that a specific expres sion is satisfied. SOLUTION: In an array of slits, slits 51 and 52 and slits 55 and 56 are arranged at the front and rear parts of a heat-transfer pipe 4, respectively. The slits 52 and 55 are formed, and they are made longer than the slits 51 and 56. Also, the slits 51 and 52 and the slits 55 and 56 are mutually arranged in different lengths in an adjacent vertical direction at the front and rear positions of the heat-transfer pipe 4, and are also mutually arranged in different lengths in an adjacent horizontal direction. Regarding the width and interval of the slits, in the case the number of fins per row of fins is 6 or fewer, the relationship of an expression is constituted to satisfy the following expression, where Ws, Wf, and N indicate slot width, fin width of one row, and the number of rows of the slits formed in the heat transfer fin/the number of heat transfer fins, respectively.
    • 119. 发明专利
    • Variable slit heat exchanger
    • 可变缝合热交换器
    • JPH11281280A
    • 1999-10-15
    • JP9810598
    • 1998-03-27
    • Sanyo Electric Co Ltd三洋電機株式会社
    • MUKODA HIDEAKIISHIGAKI SHIGEYASAWADA NORIOKOBAYASHI MASAHIRO
    • F28F1/32
    • PROBLEM TO BE SOLVED: To achieve a higher energy efficiency of equipment by further lowering a low pressure loss with a higher heat transfer efficiency of a heat exchanger.
      SOLUTION: Slit fins 5a, 5b, 5c and 5d are formed in a heat exchanger fin by being cut and erected sequentially to the downstream side from the upstream side of air sucked. The slit fin 5a is formed with the height a1 and width b1 in dimension, the slit fin 5b with the height a2 and the width b2, the slit fin 5c with the height a3 and the width b3 and the slit fin 5d with the height a4 and the width b4. There is little air on the upstream side of the air sucked making a kind of approach section. Air high in speed passes through the surface and the rear of the slit fin 5a to accomplish heat exchange action sufficiently though the height a1 and the width b1 are small and with a small air resistance, it also acts on the slit fin 5b at the next stage without a substantial drop in the air speed. The slit fin 5b also accomplishes a sufficient heat exchange action as the height a2 and the width b2 thereof are larger than those of the slit fin 5a. Likewise, the slit fins 5c and 5d can exert such a heat exchange action sequentially.
      COPYRIGHT: (C)1999,JPO
    • 要解决的问题:通过进一步降低热交换器的传热效率的低压损失来实现设备的更高的能量效率。 解决方案:切片翅片5a,5b,5c和5d通过从吸入的空气的上游侧的下游侧依次切割并竖立而形成在热交换器翅片中。 狭缝翅片5a的尺寸形成为高度a1和宽度b1,具有高度a2和宽度b2的狭缝翅片5b,具有高度a3,宽度b3和狭缝翅片5d的狭缝翅片5c具有高度a4 和宽度b4。 吸入空气的上游侧空气很少,形成一种接近部分。 空气高速通过狭缝翅片5a的表面和后部,以通过高度a1和宽度b1较小并且具有小的空气阻力来充分发挥热交换作用,它也在下一个作用在狭缝翅片5b上 阶段没有大幅度下降的空气速度。 当狭缝翅片5b的高度a2和宽度b2大于狭缝翅片5a时,狭缝翅片5b也实现足够的热交换作用。 同样地,狭缝翅片5c和5d可以顺序地发挥这种热交换作用。
    • 120. 发明专利
    • Heat exchanger
    • 热交换器
    • JPH11281277A
    • 1999-10-15
    • JP9810398
    • 1998-03-27
    • Sanyo Electric Co Ltd三洋電機株式会社
    • TSUNO KATSUYUKIKOBAYASHI MASAHIRO
    • F28F1/02F28F1/32
    • F28F1/32F28D2001/0273F28F1/02
    • PROBLEM TO BE SOLVED: To provide a heat exchanger which can improve energy efficiency of equipment by achieving a higher heat transfer efficiency of the heat exchanger.
      SOLUTION: In this heat exchanger, a heat exchanger tube 5 thereof made oval is arranged into a heat exchanger fin. As a result, the area of a dead water region 6 corresponding to the rear of' the heat exchanger tube 5 with respect to the stream of air is smaller as compared with that of the circular heat exchanger tube. Moreover, the heat exchanger tube 5 is oblong in the form of an ellipse thereby allowing one row thereof to accomplish heat exchange function equivalent to two rows of circular heat exchanger tubes.
      COPYRIGHT: (C)1999,JPO
    • 要解决的问题:提供一种热交换器,其能够通过实现热交换器的更高的传热效率来提高设备的能量效率。 解决方案:在该热交换器中,热交换器管5被设置成热交换器翅片。 结果,与循环热交换器管相比,与热交换器管5相对于空气流相对应的死水区6的面积较小。 此外,热交换器管5以椭圆形的形状为椭圆形,从而允许其一排实现相当于两排圆形换热器管的热交换功能。