ELECTRIC MOTOR DRIVE DEVICE AND METHOD OF CONTROLLING THE SAME
    2.
    发明申请
    ELECTRIC MOTOR DRIVE DEVICE AND METHOD OF CONTROLLING THE SAME 有权
    电动机驱动装置及其控制方法

    公开(公告)号:US20100295494A1

    公开(公告)日:2010-11-25

    申请号:US12864471

    申请日:2009-03-06

    Abstract: A control device controls a switching operation of a switching element such that an AC voltage allowing an AC motor to output torque in accordance with a torque command value is applied to a coil winding of each phase. The control device sets a gate resistance variably between a first pulse voltage at the time of reversal of polarity of the AC voltage and a remaining pulse voltage, in a drive circuit for turning on/off the switching element in response to a switching control signal. By making longer a time period for the first pulse voltage at the time of reversal of polarity to rise, occurrence of partial discharge in a gap between coil windings of respective phases is suppressed.

    Abstract translation: 控制装置控制开关元件的切换操作,使得允许AC电动机根据转矩指令值输出转矩的AC电压被施加到每相的线圈绕组。 控制装置在用于根据切换控制信号接通/断开开关元件的驱动电路中,在交流电压的极性反转时的第一脉冲电压和剩余脉冲电压之间可变地设定栅极电阻。 通过使极性反转时的第一脉冲电压的时间变长,可以抑制各相的线圈绕组间的间隙的局部放电。

    Polyurethane resin-based material for slush molding
    3.
    发明授权
    Polyurethane resin-based material for slush molding 有权
    用于搪塑的聚氨酯树脂基材料

    公开(公告)号:US07405257B2

    公开(公告)日:2008-07-29

    申请号:US10510905

    申请日:2003-04-08

    Abstract: The present invention provides a material for slush molding which is improved in melt properties during slush molding and is excellent in heat resistance, the material being made up of a thermoplastic polyurethane resin (A) the difference between the softening starting temperature (STi) and the softening ending temperature by TMA being from 0 to 30° C., and STi being 135 to 200° C. The resin (A) has a hard segment with an Mn of 200 to 2000 comprising a diisocyanate having a symmetrical structure, a low molecular-weight diamine having a symmetrical structure, and/or a low molecular-weight diol, the content of which being from 5 to 50 wt %, and a soft segment making up of a high molecular-weight diol with an Mn of 500 to 5000, with the aromatic content being 35 wt % or less and the aromatic ring content x and the urea group content y satisfying −0.1x+2.5≦y≦−0.1x+6.

    Abstract translation: 本发明提供一种用于搪塑的材料,其在搪塑期间的熔融性能得到改善并且耐热性优异,该材料由热塑性聚氨酯树脂(A)组成,软化起始温度(STi)与 软化结束温度为TMA为0〜30℃,STi为135〜200℃。树脂(A)具有Mn为200〜2000的硬链段,其包含对称结构的二异氰酸酯,低分子量 具有对称结构的重量二胺和/或低分子量二醇,其含量为5至50重量%,和由Mn分数为500至5000的高分子量二醇组成的软链段 ,芳香族含量为35重量%以下,芳香环含量x和尿素基含量y满足<β在线公式描述=“内联式”末端=“铅”→> -0.1x + 2.5 <= y <= - 0.1x + 6。<?in-line-formula description =“In-line Formulas”end =“tail “?>

    Polyurethane resin based slush molding material
    4.
    发明申请
    Polyurethane resin based slush molding material 有权
    聚氨酯树脂基搪塑料

    公开(公告)号:US20060045996A1

    公开(公告)日:2006-03-02

    申请号:US10510905

    申请日:2003-04-08

    Abstract: The present invention provides a material for slush molding which is improved in melt properties during slush molding and is excellent in heat resistance, the material being made up of a thermoplastic polyurethane resin (A) the difference between the softening starting temperature (STi) and the softening ending temperature by TMA being from 0 to 30° C., and STi being 135 to 200° C. The resin (A) has a hard segment with an Mn of 200 to 2000 comprising a diisocyanate having a symmetrical structure, a low molecular-weight diamine having a symmetrical structure, and/or a low molecular-weight diol, the content of which being from 5 to 50 wt %, and a soft segment making up of a high molecular-weight diol with an Mn of 500 to 5000, with the aromatic content being 35 wt % or less and the aromatic ring content x and the urea group content y satisfying −0.1x+2.5≦y≦−0.1x+6.

    Abstract translation: 本发明提供一种用于搪塑的材料,其在搪塑期间的熔融性能得到改善并且耐热性优异,该材料由热塑性聚氨酯树脂(A)组成,软化起始温度(STi)与 软化结束温度为TMA为0〜30℃,STi为135〜200℃。树脂(A)具有Mn为200〜2000的硬链段,其包含对称结构的二异氰酸酯,低分子量 具有对称结构的重量二胺和/或低分子量二醇,其含量为5至50重量%,和由Mn分数为500至5000的高分子量二醇组成的软链段 ,芳香族含量为35重量%以下,芳香环含量x和尿素基含量y满足<β在线公式描述=“内联式”末端=“铅”→> -0.1x + 2.5 <= y <= - 0.1x + 6。 <?in-line-formula description =“In-line Formulas”end =“tail”?>

    Electric motor drive device and method of controlling the same
    6.
    发明授权
    Electric motor drive device and method of controlling the same 有权
    电动机驱动装置及其控制方法

    公开(公告)号:US08350516B2

    公开(公告)日:2013-01-08

    申请号:US12864471

    申请日:2009-03-06

    Abstract: A control device controls a switching operation of a switching element such that an AC voltage allowing an AC motor to output torque in accordance with a torque command value is applied to a coil winding of each phase. The control device sets a gate resistance variably between a first pulse voltage at the time of reversal of polarity of the AC voltage and a remaining pulse voltage, in a drive circuit for turning on/off the switching element in response to a switching control signal. By making longer a time period for the first pulse voltage at the time of reversal of polarity to rise, occurrence of partial discharge in a gap between coil windings of respective phases is suppressed.

    Abstract translation: 控制装置控制开关元件的切换操作,使得允许AC电动机根据转矩指令值输出转矩的AC电压被施加到每相的线圈绕组。 控制装置在用于根据切换控制信号接通/断开开关元件的驱动电路中,在交流电压的极性反转时的第一脉冲电压和剩余脉冲电压之间可变地设定栅极电阻。 通过使极性反转时的第一脉冲电压的时间变长,可以抑制各相的线圈绕组间的间隙的局部放电。

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