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    • 23. 发明授权
    • Butterfly valve device
    • 蝶阀装置
    • US07866298B2
    • 2011-01-11
    • US12014526
    • 2008-01-15
    • Takahiro ShimuraMasashi BanseHidefumi Iwaki
    • Takahiro ShimuraMasashi BanseHidefumi Iwaki
    • F16K1/26F02D9/10
    • F02D9/101F02D9/1015F02D9/104F02D9/1045F02D9/1055F02D9/106F02D9/108
    • An object of the present invention is to provide a butterfly valve device made of resin, the butterfly valve device being little susceptible the secular change in gas flow (in particular, the minimum flow) or random changes.According to the present invention, when a butterfly valve is located at a full-closed position facing a peripheral lower surface of a semicircular portion with respect to a rotating shaft of the butterfly valve made of a resin material, a partial annular projection is adapted to radially inwardly extend towards an inner wall surface of a fluid path, the partial annular projection including a plane that contacts the peripheral lower surface of the valve to form a fluid seal. Preferably, while the valve opens only by the thickness thereof from a mechanically full-closed position, from which the valve cannot mechanically rotate any more in a close direction, a surface on the periphery of the valve is formed in a curved surface shape having the specific curvature so that the specified minimum airflow is achieved at the mechanically full-closed position. In addition, cylindrical elastic sealing members are mounted around the shaft in a bearing hole, and an edge on the fluid path side of the sealing members elastically contacts an annular surface formed at a position facing the bearing hole about the rotating shaft of the valve.
    • 本发明的目的是提供一种由树脂制成的蝶阀装置,该蝶形阀装置几乎不受气流的长期变化(特别是最小流量)或随机变化的影响。 根据本发明,当蝶阀相对于由树脂材料制成的蝶形阀的旋转轴相对于半圆形部分的周边下表面处于全闭合位置时,部分环形突起适于 径向向内延伸朝向流体路径的内壁表面,部分环形突起包括接触阀的周边下表面以形成流体密封的平面。 优选地,当阀从机械全关闭位置打开时,阀不能在其附近机械地旋转,阀的周边上的表面形成为具有 使得在机械全关闭位置实现规定的最小气流。 此外,圆柱形弹性密封件围绕轴安装在轴承孔中,并且密封件的流体通道侧上的边缘弹性地接触形成在与阀的旋转轴相对的轴承孔的位置处的环形表面。
    • 25. 发明申请
    • Radio communication apparatus
    • 无线通信装置
    • US20080088453A1
    • 2008-04-17
    • US11974199
    • 2007-10-11
    • Yasuhito KijiYasuo MatsumotoKouichi SanoMasakazu KatoNobuo MurofushiTakahiro Shimura
    • Yasuhito KijiYasuo MatsumotoKouichi SanoMasakazu KatoNobuo MurofushiTakahiro Shimura
    • G08B13/14
    • G06K7/0008G06K7/10039
    • A radio communication apparatus sends a signal for assigning a predetermined number of slots to one or more response devices. The response devices individually select one slot, and transmit own specific identification information in that slot. The radio communication apparatus has an all slot number counter and an empty slot number counter. The all slot number counter counts the number of all slots received within a slot counting period. The empty slot number counter counts empty slots among those received within the slot counting period. The radio communication apparatus calculates an estimated number of unread response devices whose identification information is not yet read, from the counted values of each counter and the number of slots at the present time. And, based on the estimated number of unread response devices, the radio communication apparatus determines the number of slots to be assigned next.
    • 无线通信装置向一个或多个响应装置发送用于分配预定数量的时隙的信号。 响应设备单独选择一个时隙,并在该时隙中发送自己的特定标识信息。 无线通信装置具有全时隙号计数器和空时隙号计数器。 所有时隙号计数器计数在时隙计数周期内接收的所有时隙的数量。 空插槽号计数器计数在插槽计数周期内接收的那些空插槽。 无线电通信装置根据每个计数器的计数值和当前时隙的数量来计算其尚未读取识别信息的未读响应装置的估计数。 并且,基于未被读取的响应装置的估计数,无线通信装置确定接下来要分配的时隙数。
    • 30. 发明授权
    • Inductive rotation angle sensor and motor-driven airflow control device using the same
    • 感应旋转角度传感器和电机驱动气流控制装置使用相同
    • US07845616B2
    • 2010-12-07
    • US11869293
    • 2007-10-09
    • Hidefumi HatsuzawaTakahiro ShimuraMasahiko Soshino
    • Hidefumi HatsuzawaTakahiro ShimuraMasahiko Soshino
    • F16K31/12
    • G01D5/2073F02D9/105G01D5/208Y10T137/8242
    • A motor-driven airflow control device is provided wherein an inductance-based non-contact rotation angle sensor is compactly formed at an end of a throttle shaft. An exciting conductor is attached at an end of a rotating shaft to which a throttle valve is attached, a window hole is provided on a gear cover, a stationary substrate with energizing and signal-generating conductors formed thereon is attached to the gear cover so as to face the exciting conductor on the rotating shaft side through the window hole, and the window hole of the gear cover is covered by a thin shield member. The energizing and signal-generating conductors can be shielded from a space where the exciting conductor of the rotary member is arranged, making it possible to obtain a highly reliable motor-driven airflow control device including an inductance-based non-contact rotation angle sensor which is not affected by environments on the rotary member side.
    • 提供了一种马达驱动气流控制装置,其中在节流轴的端部紧密地形成基于电感的非接触旋转角度传感器。 励磁导体安装在安装有节流阀的旋转轴的端部,在齿轮盖上设置有窗孔,其上形成有通电的信号产生导体的固定基板安装在齿轮盖上,从而 通过窗孔面对旋转轴侧的激磁导体,齿轮盖的窗孔被薄的屏蔽部件覆盖。 励磁和信号发生导体可以与设置有旋转构件的激励导体的空间屏蔽,使得可以获得高可靠性的电动机气流控制装置,其包括基于电感的非接触旋转角度传感器 不受旋转构件侧的环境的影响。