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    • 2. 发明公开
    • CONTRA-ROTATING PROPELLER MARINE PROPULSION DEVICE
    • 反旋转螺旋桨海洋推进装置
    • EP2230171A1
    • 2010-09-22
    • EP08869724.8
    • 2008-11-28
    • IHI Marine United Inc.
    • SHUTO, HidekiNISHIYAMA, Saiki
    • B63H5/10B63H21/38B63H23/10B63H23/32
    • B63H5/10B63H23/10B63H2005/106B63H2023/323B63H2023/346F16D3/185F16D3/84F16D2300/06F16D2300/08
    • The thrust load of an outer shaft (11) is received by a contra-rotating thrust bearing (40) provided in a boss (13a) of a front propeller (13) and transmitted to an inner shaft (12). The combined thrust load of the outer shaft (11) and the inner shaft (12) is received by an inner thrust bearing (41) provided on the bow side of the power transmission unit (20A) and transmitted to a ship body (2). The rotational force of an outer output shaft (24) is transmitted to the outer shaft (11) via a flexible joint (19) (gear coupling (19A)). Thus, the thrust load of the outer shaft (11) is transmitted to the ship body (2) only via the inner shaft (12) without being directly transmitted to the ship body (2), and the axial displacement and angular displacement are allowed by the gear coupling (19), so that it is possible to eliminate the influence of the change of hull deformation on the shaft center of the outer shaft (11).
    • 外轴(11)的推力载荷被设置在前螺旋桨(13)的凸台(13a)中并被传递到内轴(12)的对转推力轴承(40)所承受。 设置在动力传递单元20A的船首一侧的内推力轴承41将外轴11和内轴12的合成推力载荷传递给船体2, 。 外输出轴(24)的旋转力经由挠性接头(19)(齿轮联轴节(19A))传递到外轴(11)。 因此,外轴(11)的推力载荷仅通过内轴(12)传递到船体(2)而不直接传递到船体(2),并且允许轴向位移和角位移 通过齿轮联轴节19,能够消除船体变形对外轴11的轴心的影响。
    • 3. 发明公开
    • WELDED STRUCTURE EXCELLENT IN BRITTLE-CRACKING PROPAGATION STOPPING CHARACTERISTICS
    • 焊接结构具有良好的脆性传播停止特性
    • EP2018929A1
    • 2009-01-28
    • EP07743252.4
    • 2007-05-08
    • JFE Steel CorporationIHI Marine United Inc.
    • HANDA, TsunehisaKUBO, TakahiroKAWABATA, FumimaruMURAOKA, RyujiSHIOMI, HiroshiNAKAJIMA, YoshiyukiTOYODA, MasanobuNAKANISHI, YasumasaKIJI, Noboru
    • B23K9/02B23K9/00B63B3/34
    • B23K33/004B23K33/00F16L57/02
    • A welded structure with high brittle crack arrestability suitable for a hull structure is provided. The welded structure includes a fillet weld joint 9 having an unwelded part 4 in a butting face between a web 1 and a flange 2. Preferably, a width n of the unwelded part 4 of the fillet weld joint 9 in the cross section thereof, the ratio X(%) of the width n to the sum L of a plate thickness t of the web 1 and leg lengths 3 (3a and 3b) of fillet weld metal at the left and right, and the brittle crack arresting toughness Kca (N/mm 3/2 ) of the flange at a service temperature satisfy the following expression: X (%) ≥ {5900 - Kca (N/mm 3/2 )}/85. More preferably, the width of the unwelded part 4 of the fillet weld joint 9 is in the range of 15% to 90% of the sum L of the plate thickness t of the web 1 and the leg lengths 3 (3a and 3b) of the fillet weld metal at the left and right. If the web 1 has a butt joint 11, the ratio X(%) of the width to the sum L of the plate thickness t of the web 1 at the butt joint 11 thereof and the leg lengths 3 (3a and 3b) of the fillet weld metal at the left and right and the brittle crack arresting toughness Kca (N/mm 3/2 ) of the flange 2 at the service temperature satisfy the above expression.
    • 提供了一种适合于船体结构的具有高脆性止裂性的焊接结构。 该焊接结构包括在腹板1和凸缘2之间的对接面中具有未焊接部分4的角焊接头9.优选地,角焊接头9的未焊接部分4在其横截面中的宽度n, 宽度n相对于腹板1的板厚t与左右角焊缝金属的焊脚长度3(3a,3b)之和L的比率X(%)和脆性断裂韧性Kca(N / mm3 / 2)满足下式:X(%)≥{5900-Kca(N / mm3 / 2)} / 85。 更优选地,角焊接头9的未焊接部分4的宽度在腹板1的板厚度t与腿长度3(3a和3b)的总和L的15%至90%的范围内 左右角焊缝金属。 如果腹板1具有对接接头11,则腹板1在其对接接头11处的宽度与腹板1的板厚t的总和L的比率X(%)与腹板1的对接接头11的腿长度3(3a和3b) 角焊缝金属在使用温度下的凸缘2的脆性断裂韧性Kca(N / mm3 / 2)满足上述表达式。
    • 6. 发明公开
    • THERMOELECTRIC POWER GENERATOR AND POWER GENERATING SYSTEM USING THERMOELECTRIC POWER GENERATOR
    • 热敏电阻器STREMGENERATOR UNDERMERGSUYSSYSTEM MIT EINEM热敏电阻器
    • EP2197098A1
    • 2010-06-16
    • EP08833054.3
    • 2008-09-24
    • IHI Marine United Inc.
    • AWASHIMA, YujiYOSHIMOTO, Haruki
    • H02N11/00
    • H01L35/30F01K25/10Y02E10/34
    • A thermoelectric power generating device and a power generating system using the same are provided which have easiness in maintenance and require a smaller space and which can perform thermoelectric conversion (power generation) from fluids with different temperatures to conduct electric power supply in a way cheaper and more stable than in the conventional devices.
      A thermoelectric element 27 constituted by P- and N-type thermoelectric semiconductor elements arranged alternately and sealed in heat transfer plates 30 in a sandwiched manner through electrodes and insulators to provide a plate-like thermoelectric power generating unit 31. A plurality of the units 31 are laminated to alternately form first and second spaces 32 and 33 for communication of high- and low-temperature fluids W and C, respectively, between the units. Openings provided by the respective units 31 are gathered to form first inflow and outflow passages 34 and 35 for inflow and outflow of the high-temperature fluid W to and out of the first spaces 32, respectively, and second inflow and outflow passages for inflow and outflow of the low-temperature fluid C to and out of the second spaces 33, respectively.
    • 提供了一种具有维护方便性并且需要较小空间的热电发电装置和发电系统,能够以不同温度的流体进行热电转换(发电),从而以更廉价的方式进行电力供给, 比常规设备更稳定。 由P-型和N型热电半导体元件构成的热电元件27,其通过电极和绝缘体交替布置并以夹层方式密封在传热板30中,以提供板状热电发电单元31.多个单元31 层叠以交替地形成第一和第二空间32和33,以分别在单元之间连通高温和低温流体W和C. 聚集各个单元31的开口以形成第一流入和流出通道34和35,用于将高温流体W分别流出和流出第一空间32,第二流入和流出通道用于流入和 低温流体C分别向第二空间33流出。