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公开(公告)号：US20180259088A1
公开(公告)日：2018-09-13
申请号：US15736812
申请日：2016-06-07
Applicant: DENSO CORPORATION
Inventor： Tetsuji YAMANAKA , Naoaki KOUNO , Etsugo YANAGIDA , Hiroki SHIMADA
Abstract: A rotation stop shape is visually recognizable through an exposing hole. A relative angle between an output shaft and an actuator lever can be freely set while the rotation stop shape, which is visually recognizable through the exposing hole, is used as the reference angle of the output shaft. Therefore, it is possible to limit disadvantageous variations in a fixation angle of the actuator lever. The fixation angle of the actuator lever relative to the output shaft can be freely changed by using the rotation stop shape, which is visually recognizable through the exposing hole, as a reference angle of the output shaft.
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公开(公告)号：US20150184584A1
公开(公告)日：2015-07-02
申请号：US14576612
申请日：2014-12-19
Applicant: DENSO CORPORATION
Inventor： Tomonobu KURODA , Tetsuji YAMANAKA , Naoaki KOUNO
IPC: F02B37/18 , F16H57/021 , F16H1/32
CPC classification number: F02B37/186 , F16H1/32 , F16H57/021 , F16H2001/325 , F16H2057/02034 , F16H2057/02082 , H02K7/116 , Y02T10/144
Abstract: A first internal gear of a speed reducer includes an internally-toothed portion and a bearing portion and is formed as a one-piece member that is formed separately from a first housing. The internally-toothed portion forms internal teeth, which are meshed with external teeth of a first planetary gear. The bearing portion includes an eleventh cylindrical surface, which supports a motor shaft. The internal teeth of the first internal gear are arranged coaxial with the eleventh cylindrical surface. The internal teeth of the first internal gear and the bearing portion are formed as portions of the one-piece member.
Abstract translation: 减速器的第一内齿轮包括内齿部和轴承部，并且形成为与第一壳体分开形成的一体式构件。 内齿部形成与第一行星齿轮的外齿啮合的内齿。 轴承部分包括支撑电动机轴的第十一圆柱形表面。 第一内齿轮的内齿与第十一圆柱面同轴配置。 第一内齿轮和轴承部分的内齿形成为单件构件的部分。
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公开(公告)号：US20220412443A1
公开(公告)日：2022-12-29
申请号：US17899123
申请日：2022-08-30
Applicant: DENSO CORPORATION
Inventor： Naoaki KOUNO , Tetsuji YAMANAKA , Masashi YAMAGUCHI
Abstract: A gear of a speed reducer of an actuator includes: an insert component; a center portion; an outer peripheral portion; a connecting portion; a gate mark; a weld-line portion; and a rib-shaped portion. The center portion surrounds the insert component. The outer peripheral portion includes a toothed portion and a toothless portion. The weld-line portion is formed in at least one of the center portion, the connecting portion and the outer peripheral portion at a location which is on a radially inner side of the toothless portion. The rib-shaped portion is formed in at least one of the center portion, the connecting portion and the outer peripheral portion at a location which includes the weld-line portion. The rib-shaped portion has a wall thickness that is larger than a wall thickness of another circumferential portion.
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公开(公告)号：US20220403772A1
公开(公告)日：2022-12-22
申请号：US17893751
申请日：2022-08-23
Applicant: DENSO CORPORATION
Inventor： Tomoyuki ISHIDUKA , Tetsuji YAMANAKA , Masashi YAMAGUCHI , Naoaki KOUNO
IPC: F02B37/18 , F16K31/04 , F16K31/53 , F16H57/029 , F16H57/04
Abstract: An actuator includes an electric motor, an output shaft and a speed reducer. The speed reducer includes at least one metal gear which has a plurality of teeth made of metal. The speed reducer is configured to transmit rotation, which is outputted from the electric motor, to the output shaft after reducing a rotational speed of the rotation. The actuator includes a housing that receives the electric motor and the speed reducer. The actuator includes a plate member that is configured to limit scattering of a scattering object, which is generated in response to an operation of the speed reducer and is scattered from the at least one metal gear.
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公开(公告)号：US20170314964A1
公开(公告)日：2017-11-02
申请号：US15650025
申请日：2017-07-14
Applicant: DENSO CORPORATION
Inventor： Naoaki KOUNO , Tetsuji YAMANAKA
IPC: G01D5/14
CPC classification number: G01D5/145
Abstract: Each of a first yoke and a second yoke has an intermediate portion between one end portion and the other end portion of the yoke. When the first and second yokes are viewed in an opposing direction, a width of the intermediate portion of each yoke, which is measured in a direction perpendicular to a rotational direction, is smaller than a width of the one end portion and a width of the other end portion of the yoke and is constant along an entire extent of the intermediate portion in the rotational direction.
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Patent Agency Ranking
公开(公告)号：US20140184205A1
公开(公告)日：2014-07-03
申请号：US14142456
申请日：2013-12-27
Applicant: Denso Corporation
Inventor： Naoaki KOUNO , Tetsuji YAMANAKA
CPC classification number: G01B7/14 , G01B7/003 , G01B7/30 , G01D5/145 , G01R33/072
Abstract: A position detector has first and second magnets with a magnet width that is different from a gap width of a gap. As a result, the gap width and the magnet width are independent of each other. The gap width is minimized relative to a molding member that molds a Hall element. The first and second magnets have a specific magnet width that generates a required magnetic flux density without increasing the magnet width, which enables a volume reduction of the position detector.
Abstract translation: 位置检测器具有磁体宽度与间隙的间隙宽度不同的第一和第二磁体。 结果，间隙宽度和磁体宽度彼此独立。 相对于模制霍尔元件的模制构件，间隙宽度最小化。 第一和第二磁体具有在不增加磁体宽度的情况下产生所需磁通密度的特定磁体宽度，这使得位置检测器的体积减小。
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公开(公告)号：US20180191221A1
公开(公告)日：2018-07-05
申请号：US15736804
申请日：2016-06-07
Applicant: DENSO CORPORATION
Inventor： Naoaki KOUNO , Hiroki SHIMADA , Tetsuji YAMANAKA , Etsugo YANAGIDA
IPC: H02K5/22 , H02K7/116 , H02K7/08 , H02K7/14 , H02K11/215
CPC classification number: H02K5/22 , F16H1/06 , F16H57/03 , F16H57/032 , F16H2057/02034 , F16H2057/02082 , H02K5/04 , H02K5/225 , H02K7/088 , H02K7/116 , H02K7/14 , H02K11/215
Abstract: A plurality of reinforcing ribs, which extend from a cover-side bearing in an outer radial direction, is formed at a portion of a cover, at which a reaction force generated in response to operation of an electric actuator is applied. The reinforcing ribs can improve strength of the portion of the cover, at which the reaction force is applied. Therefore, it is possible to avoid a damage, such as deformation, a crack, at the resin cover caused by the reaction force applied to the cover.
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公开(公告)号：US20180187791A1
公开(公告)日：2018-07-05
申请号：US15736477
申请日：2016-06-07
Applicant: DENSO CORPORATION
Inventor： Tetsuji YAMANAKA , Naoaki KOUNO , Hiroki SHIMADA , Etsugo YANAGIDA
IPC: F16K31/04 , F02B37/18 , F16H57/031 , F16H19/00 , F16H21/44 , H02K15/14 , H02K5/173 , H02K5/22 , H02K5/24 , H02K7/116 , H02K11/215
Abstract: A housing includes an opening portion, which opens in one direction. At the time of assembling, the opening portion of the housing is placed to face an upper side. Then, a wave washer, an electric motor and screws for motor fixation are assembled from the upper side, and a first intermediate shaft and a second intermediate shaft are press-fitted, and a lower bearing, an output shaft, a second intermediate gear, a first intermediate gear are assembled. Thereafter, a cover is installed from the upper side to the housing. Next, an actuator lever is connected to a distal end part of the output shaft. As discussed above, the electric actuator can be assembled without inverting an orientation of the housing, and thereby productivity can be improved.
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公开(公告)号：US20140184209A1
公开(公告)日：2014-07-03
申请号：US14142168
申请日：2013-12-27
Applicant: DENSO CORPORATION
Inventor： Naoaki KOUNO , Tetsuji Yamanaka
IPC: G01B7/30
Abstract: A position detector includes a magnet disposed between first ends of first and second magnetic flux transmission parts and a magnet disposed between second ends of the first and second magnetic flux transmission parts. The position detector also includes a Hall IC that is positioned within a gap and moves relative to a rotating body. The Hall IC detects a density of the magnetic flux from the first and second magnetic flux transmission parts and outputs a signal according to the density of the magnetic flux passing therethrough in order to detect a position of a detection object. A minimum magnetic flux density position within the gap may be shifted to a position having the highest detection accuracy such that the position detection accuracy of the detection object is improved.
Abstract translation: 位置检测器包括设置在第一和第二磁通量传递部分的第一端之间的磁体和设置在第一和第二磁通传输部分的第二端之间的磁体。 位置检测器还包括位于间隙内并相对于旋转体运动的霍尔IC。 霍尔IC检测来自第一和第二磁通量传输部分的磁通密度，并根据通过其的磁通密度输出信号，以检测检测对象的位置。 间隙内的最小磁通密度位置可以移动到具有最高检测精度的位置，使得检测对象的位置检测精度提高。
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公开(公告)号：US20130106404A1
公开(公告)日：2013-05-02
申请号：US13663789
申请日：2012-10-30
Applicant: DENSO CORPORATION
Inventor： Akitoshi MIZUTANI , Naoaki KOUNO
IPC: G01B7/14
CPC classification number: G01B7/003
Abstract: A first and a second magnet are provided on a movable member so as to oppose to each other across a virtual plane. Each magnet is magnetized in a direction perpendicular to the movable member, so that the same magnetic poles of the magnets are opposed to each other. A hall IC is provided at a position more remote from the movable member than the magnets so as to be movable on the virtual plane relative to the movable member. A Y-parallel area is formed in a space equally distanced from the first and the second magnets, in which magnetic fields of the first and the second magnet rebel against each other, so that directions of the magnetic fields are so made to be in parallel to a stroke direction of the movable member. Robustness for a position gap between the magnets and the hall IC is improved.
Abstract translation: 第一和第二磁体设置在可移动部件上，以跨越虚拟平面彼此相对。 每个磁体在垂直于可动件的方向上被磁化，使得磁体的相同的磁极彼此相对。 霍尔IC设置在比磁体更远离可移动部件的位置，以能够相对于可移动部件在虚拟平面上移动。 在与第一和第二磁体等距离的空间中形成Y平行区域，其中第一和第二磁体的磁场相互反抗，使得磁场的方向成平行 到可移动部件的冲程方向。 提高了磁体与霍尔IC之间的位置间隙的鲁棒性。
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