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    • 9. 发明授权
    • Rotational position sensor and electronically controlled throttle device and internal combustion engine
    • 旋转位置传感器和电子控制节流装置和内燃机
    • US07375510B2
    • 2008-05-20
    • US10920194
    • 2004-08-18
    • Kenji MiyataMasanori KubotaKenichi KatagishiKenji OnoMasahiko SoshinoMitsuru Sudo
    • Kenji MiyataMasanori KubotaKenichi KatagishiKenji OnoMasahiko SoshinoMitsuru Sudo
    • G01B7/30
    • F02D11/106F02D2011/102F02D2400/22G01D5/145
    • A rotational position sensor having a compact and simple structure, in which a magnetic surface can be formed to have a more accurate shape, and an electronically controlled throttle device for an internal combustion engine, which employs the rotational position sensor. The rotational position sensor comprises a pair of substantially half disk-shaped magnetic cores disposed in an opposed relation to each other with a magnetic sensitive device interposed therebetween, a pair of substantially arc-shaped magnetic cores disposed in an opposed relation to each other along outer peripheries of the half disk-shaped magnetic cores, and a permanent magnet fixed in contact with at least one of the arc-shaped magnetic cores. Magnetic flux generating from the permanent magnet flows successively through one of the arc-shaped magnetic cores, the half disk-shaped magnetic cores, and the other of the arc-shaped magnetic cores, followed by returning to the permanent magnet. The half disk-shaped magnetic cores or the permanent magnet is rotatable, and the magnetic sensitive device detects an amount of the magnetic flux varying with rotation of the half disk-shaped magnetic cores or the permanent magnet.
    • 具有紧凑且简单的结构的旋转位置传感器,其中可以形成磁性表面以具有更精确的形状,以及采用旋转位置传感器的内燃机的电子控制节流装置。 旋转位置传感器包括一对大致半圆形的磁芯,它们彼此相对地设置有一个介于它们之间的磁敏装置,一对基本上为弧形的磁芯,沿着外部彼此相对设置 半圆盘形磁芯的周边,以及与至少一个弧形磁芯固定的永久磁铁。 从永磁体产生的磁通依次通过弧形磁芯,半盘形磁芯和另一个弧形磁芯中的一个,然后返回到永磁体。 半圆盘形磁芯或永久磁铁是可旋转的,并且磁敏装置检测随半圆形磁芯或永久磁铁的旋转而变化的磁通量。
    • 10. 发明申请
    • Rotational position sensor and electronically controlled throttle device and internal combustion engine
    • 旋转位置传感器和电子控制节流装置和内燃机
    • US20050104581A1
    • 2005-05-19
    • US10920194
    • 2004-08-18
    • Kenji MiyataMasanori KubotaKenichi KatagishiKenji OnoMasahiko SoshinoMitsuru Sudo
    • Kenji MiyataMasanori KubotaKenichi KatagishiKenji OnoMasahiko SoshinoMitsuru Sudo
    • G01B7/30F02D9/00F02D11/10F02D35/00G01B7/00G01D5/14G01D5/16
    • F02D11/106F02D2011/102F02D2400/22G01D5/145
    • A rotational position sensor having a compact and simple structure, in which a magnetic surface can be formed to have a more accurate shape, and an electronically controlled throttle device for an internal combustion engine, which employs the rotational position sensor. The rotational position sensor comprises a pair of substantially half disk-shaped magnetic cores disposed in an opposed relation to each other with a magnetic sensitive device interposed therebetween, a pair of substantially arc-shaped magnetic cores disposed in an opposed relation to each other along outer peripheries of the half disk-shaped magnetic cores, and a permanent magnet fixed in contact with at least one of the arc-shaped magnetic cores. Magnetic flux generating from the permanent magnet flows successively through one of the arc-shaped magnetic cores, the half disk-shaped magnetic cores, and the other of the arc-shaped magnetic cores, followed by returning to the permanent magnet. The half disk-shaped magnetic cores or the permanent magnet is rotatable, and the magnetic sensitive device detects an amount of the magnetic flux varying with rotation of the half disk-shaped magnetic cores or the permanent magnet.
    • 具有紧凑且简单的结构的旋转位置传感器,其中可以形成磁性表面以具有更精确的形状,以及采用旋转位置传感器的内燃机的电子控制节流装置。 旋转位置传感器包括一对大致半圆形的磁芯,它们彼此相对地设置有一个介于它们之间的磁敏装置,一对基本上为弧形的磁芯,沿着外部彼此相对设置 半圆盘形磁芯的周边,以及与至少一个弧形磁芯固定的永久磁铁。 从永磁体产生的磁通依次通过弧形磁芯,半盘形磁芯和另一个弧形磁芯中的一个,然后返回到永磁体。 半圆盘形磁芯或永久磁铁是可旋转的,并且磁敏装置检测随半圆形磁芯或永久磁铁的旋转而变化的磁通量。