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    • 91. 发明申请
    • ROTATING ELECTRICAL MACHINE
    • 旋转电机
    • US20090267428A1
    • 2009-10-29
    • US12428875
    • 2009-04-23
    • Akihito NAKAHARAHiroyuki MikamiKazumasa IdeKazuhiko TakahashiKenichi Hattori
    • Akihito NAKAHARAHiroyuki MikamiKazumasa IdeKazuhiko TakahashiKenichi Hattori
    • H02K1/20H02K1/02
    • H02K1/20H02K1/02H02K1/16
    • A rotating electrical machine includes: a rotor comprising a rotor core and a field winding wound round the rotor core; and a stator comprising a stator core and a stator winding wound round the stator core. The stator is arranged in opposition to the rotor with a predetermined spacing therebetween. the stator core is formed by punching a split piece, which comprises teeth for insertion of the stator winding thereinto and a core back on an outer periphery thereof, from a magnetic steel sheet, and laminating a plurality of those circular configurations in an axial direction, in which a plurality of the split pieces are arranged in a circle in a circumferential direction. The stator core has magnetic steel sheets, which are different in magnetic permeability in a diametrical direction, laminated at an axial end region of and in an axial central region of the stator core.
    • 旋转电机包括:转子,包括转子芯和围绕转子芯缠绕的励磁绕组; 以及定子,其包括绕定子铁芯缠绕的定子铁芯和定子绕组。 定子与转子相对设置,其间具有预定的间隔。 定子铁芯通过冲压分割片而形成,该分割片包括用于将定子绕组插入其中的齿,并且在其外周上由磁性钢板冲压,并且沿轴向层叠多个这些圆形构造, 其中多个分割片在圆周方向上以圆形排列。 定子铁芯具有在直径方向上的磁导率不同的电磁钢板,层压在定子铁芯的轴向中心区域的轴向端部区域。
    • 94. 发明授权
    • Diluted oil regeneration in internal combustion engine
    • 内燃机稀释油再生
    • US07493883B2
    • 2009-02-24
    • US11637717
    • 2006-12-13
    • Kazuhiko Takahashi
    • Kazuhiko Takahashi
    • F01M1/00
    • F01M1/18F01M5/001F01M2001/165F02D41/029F02D41/405F02D2250/11
    • An internal combustion engine (10) for a vehicle comprises a fuel injector (12) which supplies fuel to a combustion chamber formed in a piston (1), and an oil pan which stores engine oil below the piston (1). With regard to a phenomenon whereby the engine oil is diluted with the fuel injected by the fuel injector (12), a controller (90) determines whether or not the engine oil needs to be regenerated (S13). When the engine oil needs to be regenerated, the controller (90) switches a cooling water path in the engine (10) by controlling an electrically controlled thermostat (74), and raises the temperature of the engine oil over a predetermined time period (S15, S17). As a result of this temperature increase, the fuel in the engine oil is vaporized, thereby reducing the dilution ratio of the engine oil, and thus the engine oil is regenerated.
    • 一种用于车辆的内燃机(10)包括向形成在活塞(1)中的燃烧室供应燃料的燃料喷射器(12)和在发动机(1)下方存储发动机油的油底壳。 关于由燃料喷射器(12)喷射的燃料使发动机油稀释的现象,控制器(90)判定是否需要再生发动机油(S13)。 当发动机油需要再生时,控制器(90)通过控制电控恒温器(74)来切换发动机(10)中的冷却水路径,并且在预定的时间段内提高发动机机油的温度(S15 ,S17)。 由于该温度上升,发动机油中的燃料蒸发,从而降低发动机油的稀释比,从而再生发动机机油。
    • 98. 发明申请
    • ROTATING MACHINERY
    • 旋转机械
    • US20070152520A1
    • 2007-07-05
    • US11619777
    • 2007-01-04
    • Kazuhiko TakahashiKenichi HattoriMasami SukedaAtsushi Ishihara
    • Kazuhiko TakahashiKenichi HattoriMasami SukedaAtsushi Ishihara
    • H02K1/32H02K3/00H02K3/34H02K23/02
    • H02K3/12H02K3/14H02K15/0081
    • In a rotating machinery having armature windings constituted by a lot of strands, when the armature winding is constituted by four layers, a step number of the strands becomes half with respect to two layers of armature windings so as to facilitate manufacturing an armature winding of 540 degree transposition in which a transposition pitch is elongated and a circulating current loss is reduced, but since an output voltage becomes twice, for securing a voltage limit value caused by an isolation resisting force, one layer of armature windings are constituted by sub windings separated into at least two layers in a vertical direction, a transposition is independently applied to each of the sub windings, the sub windings are connected to the armature windings of the other slot while keeping an isolation of the sub winding at an armature winding end region by at least two connecting methods, and the sub winding constructs a parallel circuit by the armature windings of a plurality of slots.
    • 在具有由大量绞线构成的电枢绕组的旋转机械中,当电枢绕组由四层构成时,相对于两层电枢绕组,绞合线的数量变为一半,以便于制造540的电枢绕组 转位间距变长并且循环电流损失减小,但由于输出电压变为两倍,为了确保由隔离阻力引起的电压限制值,一层电枢绕组由分为 在垂直方向上至少两层,转置被独立地施加到每个子绕组,子绕组连接到另一槽的电枢绕组,同时保持子绕组在电枢绕组端区域处的隔离 至少两个连接方法,并且子绕组由多个槽的电枢绕组构成并联电路。