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    • 21. 发明授权
    • Controller for motor
    • 电机控制器
    • US07605551B2
    • 2009-10-20
    • US11826816
    • 2007-07-18
    • Hirofumi AtarashiKazuyuki Iwata
    • Hirofumi AtarashiKazuyuki Iwata
    • H02K7/14
    • F04C15/008F04C13/005H02K7/125H02K16/02H02K21/029
    • A controller for a motor cleans, as necessary, a hydraulic chamber that generates hydraulic oil for changing a phase difference between two rotors so as to restrain sludge from building up in the hydraulic chamber. A motor has a first rotor and a second rotor that can be relatively rotated with respect to the first rotor. The controller includes a phase difference changing driver that changes the phase difference between the two rotors by controlling the pressure in the hydraulic chamber filled with hydraulic oil. The controller further includes a cleaning need determiner that determines the need for cleaning the hydraulic chamber, and a cleaning phase difference controller that controls the phase difference changing driver such that the second rotor is relatively rotated in the forward direction and the reverse direction alternately with respect to the first rotor if a determination result of the cleaning need determiner is affirmative.
    • 电动机的控制器根据需要清洁产生用于改变两个转子之间的相位差的液压油的液压室,以便抑制污泥在液压室中的积聚。 电动机具有可相对于第一转子相对旋转的第一转子和第二转子。 控制器包括通过控制装有液压油的液压室中的压力来改变两个转子之间的相位差的相位差改变驱动器。 所述控制器还包括确定需要清洗液压室的清洁需求确定器,以及控制相位差变化驱动器的清洁相位差控制器,使得第二转子在正向和反向方向上相对于 如果清洁需求确定器的确定结果是肯定的,则到第一转子。
    • 22. 发明授权
    • Sealing structure
    • 密封结构
    • US06478305B1
    • 2002-11-12
    • US09666556
    • 2000-09-21
    • Kazuyuki Iwata
    • Kazuyuki Iwata
    • F02F1100
    • F02F11/00F02B2275/18F16J15/14
    • Gasket mounting surfaces 1e, 2e of a cylinder block 1 and a cylinder head 2 which confront each other across a plate gasket G which is interposed therebetween are formed into flat surfaces, and a gap C is formed between these surfaces 1e, 2e which is adapted to surround the plate gasket G at a distal end and a side edge thereof and has a depth corresponding to the thickness of the gasket G, whereby a part of a liquid packing P for sealing mating surfaces of the cylinder block 1, the cylinder head 2 and a chain case 17 is designed to be filled in this gap C.
    • 气缸体1的垫圈安装表面1e,2e和气缸盖2彼此隔着穿过其间的板垫圈G形成为平坦表面,并且在这些表面1e,2e之间形成间隙C, 以在其前端和侧边缘处围绕板垫圈G并且具有与垫圈G的厚度对应的深度,由此用于密封气缸体1,气缸盖2的配合表面的液体填充件P的一部分 并且链条盒17被设计成填充在该间隙C中。
    • 23. 发明授权
    • Balance shaft housing
    • 平衡轴外壳
    • US06371071B1
    • 2002-04-16
    • US09653333
    • 2000-08-31
    • Kazuyuki Iwata
    • Kazuyuki Iwata
    • F02B7506
    • F01M1/02F01M11/0004F01M2001/0276F01M2011/005F16F15/265
    • A balance shaft housing (an upperhousing 14U and a lower housing 14L) disposed in an oil pan (7) for accommodating balance shafts (13L, 13R) provided with counterweights (19) for canceling out the vibromotive force caused by pistons, characterized in that an intake passage (an intake pipe 32) of a pump (27) for taking in lubricating oil within the oil pan is formed integrally with the housing, and that an oil strainer attaching portion (34) is formed integrally with a bearing wall (a first bearing wall 26) for supporting the balance shafts. According to this construction, since the thickness of the oil strainer attaching portion increases the rigidity of the bearing wall supporting the balance shafts, the increase in rigidity of the housing can be attained without increasing the thickness of the housing.
    • 设置在油盘(7)中的用于容纳平衡轴(13L,13R)的平衡轴壳体(上部14U和下部壳体14L),该平衡轴设置有用于消除由活塞引起的振动波动的配重(19),其特征在于: 用于吸入油盘内的润滑油的泵(27)的进气通道(进气管32)与壳体一体地形成,并且油过滤器安装部(34)与轴承壁(a 第一轴承壁26),用于支撑平衡轴。 根据该结构,由于滤油器安装部的厚度增大支撑平衡轴的轴承壁的刚性,因此可以在不增加壳体的厚度的情况下实现壳体的刚性的增加。
    • 24. 发明授权
    • Engine balance shafts supporting structure
    • 发动机平衡轴支撑结构
    • US06205970B1
    • 2001-03-27
    • US09372177
    • 1999-08-11
    • Kazuyuki IwataTomonori Niizato
    • Kazuyuki IwataTomonori Niizato
    • F02B7506
    • F16F15/264F01M2001/0276F02B75/20F16F15/26
    • A casing accommodating therein a pair of balance shafts below the cylinder block comprises an upper casing and a lower casing that can vertically be split, and an oil pump body is molded integrally with one of the upper and lower casings. In addition, one end of each of the two casings is inserted into the oil pump body for support therein, and the two balance shafts are each supported on a bearing provided between the two casings in such a manner as to be split into two halves at an intermediate portion or the other end thereof. With this construction, the oil pump body can be molded together with the casing, thereby making it possible to reduce the number of components used and man hours for assembling. In addition, since the bearings can be split into two halves, when compared with other portions of the balance shafts, the journal portion can be thinned, thereby making it possible not only to reduce the sliding friction but also to make the casing smaller in size and lighter in weight. More over, the degree of freedom of designing balance shafts can also be improved. With the balance shaft supporting structure for an engine the durability of a balancer, as well as the degree of freedom of designing the same are improvided without making the engine larger in size and increasing the number of components used.
    • 容纳在气缸体下方的一对平衡轴的壳体包括可垂直分开的上壳体和下壳体,并且油泵主体与上壳体和下壳体中的一个一体地模制。 此外,两个壳体中的每一个的一端插入油泵体中用于支撑在其中,并且两个平衡轴各自支撑在设置在两个壳体之间的轴承上,以便被分成两半 中间部分或另一端。 利用这种结构,可以将油泵体与壳体一起模制,从而可以减少所使用的部件的数量和组装时间。 此外,由于轴承可以分成两半,与平衡轴的其他部分相比,轴颈部分可以变薄,从而不仅可以减小滑动摩擦,而且可以使套管的尺寸更小 重量更轻。 此外,还可以提高设计平衡轴的自由度。 利用发动机的平衡轴支撑结构,平衡器的耐用性以及设计自由度得以改善,而不会使发动机的尺寸更大并且增加所使用的部件的数量。
    • 25. 发明授权
    • Balancing device for reciprocating engine
    • 往复式发动机的平衡装置
    • US06189499B1
    • 2001-02-20
    • US09371786
    • 1999-08-10
    • Kazuyuki IwataTomonori Niizato
    • Kazuyuki IwataTomonori Niizato
    • F16F1526
    • F16F15/265F01M2001/0276F16H2007/0812
    • A balancing device for a reciprocating engine is provided which is improved so as not to disturb the compactification of an engine. There is provided a balancing device for a reciprocating engine comprising two balance shafts 10L, 10R gear connected to each other, a chain/sprocket mechanism 9, 11, 12 for coupling at least one 10L of the balance shafts with a crankshaft 1 in an interlocking fashion, a chain tensioner 14 for automatically adjusting the tension of the chain 12 and a pump receiving portion 22 integrally provided in a balance shaft holder 16 for supporting the balance shafts for receiving a rotor 21B of a lubricating oil pump 21, the balancing device being characterized in that the rotor of the lubricating oil pump is directly connected to the other balance shaft 10R, and that the chain tensioner is disposed on an shaft end side of the other balance shaft. In accordance with the balancing device constructed as described above, the chain tensioner can be displaced within a range that does not project largely from a triangular contour formed by the two balance shafts and the crankshaft.
    • 提供了一种用于往复式发动机的平衡装置,其被改进以便不扰乱发动机的致密化。 提供了一种用于往复式发动机的平衡装置,其包括彼此连接的两个平衡轴10L,10R齿轮,链轮/链轮机构9,11,12,用于将至少一个10L的平衡轴与曲轴1联接在一起 用于自动调节链条12的张力的链条张紧器14和一体地设置在平衡轴保持器16中的泵接收部分22,用于支撑用于接收润滑油泵21的转子21B的平衡轴,平衡装置 其特征在于,所述润滑油泵的转子与所述另一个平衡轴10R直接连接,所述链条张紧器设置在所述另一个平衡轴的轴端侧。 根据如上所述构造的平衡装置,链条张紧器可以在不会从由两个平衡轴和曲轴形成的三角形轮廓的范围内移位。