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公开(公告)号：US20170366050A1
公开(公告)日：2017-12-21
申请号：US15627086
申请日：2017-06-19
Applicant: ASMO CO., LTD.
Inventor： Akihisa Hattori , Seiya Yokoyama , Yoji Yamada
CPC classification number: H02K1/02 , H02K1/2793 , H02K1/28 , H02K16/02 , H02K16/04 , H02K21/24 , H02K2213/03
Abstract: An axial gap motor rotor opposes a stator in an axial direction. The axial gap motor rotor includes a rotor core and a magnet. The magnet is arranged on the rotor core. The magnet is configured so that one axial end includes magnetic poles that alternately change in a circumferential direction. The rotor core includes a base, which is located at a center in a radial direction, and radial extensions, which are extended from the base outward in the radial direction and arranged in the circumferential direction. The magnet is configured to at least partially overlap the radial extensions in the axial direction. The radial extensions are located to include a boundary of adjacent ones of the magnetic poles in the circumferential direction.
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公开(公告)号：US20170321704A1
公开(公告)日：2017-11-09
申请号：US15654384
申请日：2017-07-19
Applicant: ASMO CO., LTD.
Inventor： Masaru IRIE , Toshihiro MATSUURA
CPC classification number: F04D13/0693 , F04C2/086 , F04C2/102 , F04C11/008 , F04C2230/603 , F04C2240/808 , F04D13/06 , F04D25/0693
Abstract: An electric pump includes a motor rotor provided in a first end region in the axial direction of a rotary shaft, a pump rotor provided in a second end region in the axial direction of the rotary shaft, and a pump housing supporting the rotary shaft. The pump housing has a first housing portion for accommodating the pump rotor and a second housing portion having a blocking portion. The first housing portion has a suction port for drawing in fluid and a discharge port for discharging the drawn-in fluid.
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公开(公告)号：US09813001B2
公开(公告)日：2017-11-07
申请号：US15160386
申请日：2016-05-20
Applicant: DENSO CORPORATION , ASMO CO., LTD.
Inventor： Ryunosuke Akimatsu , Tatsuya Tonari , Toshihiro Uchida
CPC classification number: H02P6/10 , F04D25/0606 , H02P6/06 , H02P6/14 , H02P29/50 , H02P2209/07
Abstract: A control device capable of suppressing electromagnetic force applied to a motor has a harmonic current calculation section and an operation section. The harmonic current calculation section calculates amplitude and phase of each of harmonic currents to be superimposed over a fundamental current which flows in phase windings of a stator of the motor based on conditions relating to load change of the motor. The operation section generates and transmits instruction signals to an inverter so that the calculated superimposed harmonic currents flow in the phase windings of the stator.
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公开(公告)号：US09812911B2
公开(公告)日：2017-11-07
申请号：US14841112
申请日：2015-08-31
Applicant: ASMO Co., Ltd.
Inventor： Toshihiro Morimoto
Abstract: A DC motor includes a core, two bifurcated branching portions, an inner coil, and an outer coil. The core includes teeth. Each tooth includes a distal end and a basal end. The branching portions are located at the distal end. The inner coil is wound around the basal end. The outer coil is wound around each of the branching portions of the tooth and a branching portion of an adjacent one of the teeth. The inner coil and the outer coil each have a number of turns that is adjusted so that an inductance of the inner coil conforms to an inductance of the outer coil.
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公开(公告)号：US09806576B2
公开(公告)日：2017-10-31
申请号：US14492075
申请日：2014-09-22
Applicant: ASMO CO., LTD.
Inventor： Tetsuji Yoshikawa , Akihiko Seki
CPC classification number: H02K3/345 , H02K1/148 , H02K1/165 , H02K3/522 , H02K15/08 , H02K15/095 , H02K2203/06 , Y10T29/49009
Abstract: An armature includes plural core configuration members and plural insulators integrated with the core configuration members, each insulator including a coupling portion that couples a pair of insulation portions. The armature includes plural coil wires, each including a pair of wound portions wound onto respective core configuration members, and a crossing wire connecting the pair of wound portions. Plural armature configuration units are configured independently by integrating a pair of the core configuration members with each insulator and winding the coil wire onto the pair of core configuration members. Plural armature configuration sections are configured by combining two armature configuration units adjacent in the circumferential direction. In each armature configuration section, the coupling portion and the crossing wire of one armature configuration unit are side by side with the coupling portion and crossing wire of the other armature configuration units along a direction orthogonal to an axial direction of the armature configuration section.
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Patent Agency Ranking
公开(公告)号：US09777797B2
公开(公告)日：2017-10-03
申请号：US14953019
申请日：2015-11-27
Applicant: ASMO CO., LTD.
Inventor： Shinichi Okada , Yasuhide Ito , Kohei Shibata , Takafumi Negi
CPC classification number: F16H1/145 , F16C19/06 , F16C19/543 , F16C35/067 , F16C2361/61 , F16H1/203 , F16H1/222 , F16H1/225 , F16H57/021 , G01B7/14 , G01R33/07 , H02K7/1163 , H02K7/1166 , H02K21/14
Abstract: An actuator comprises a motor including a rotation shaft; an output shaft disposed coaxially to the rotation shaft; a rotation shaft side gear rotatable as a unit with the rotation shaft; an output shaft side gear rotatable as a unit with the output shaft; an intermediate gear configuration body that includes a first intermediate gear and a second intermediate gear and that meshes with the rotation shaft side gear and the output shaft side gear; a first bearing supporting an end portion of the intermediate gear configuration body at a side of the first intermediate gear; and a second bearing supporting another end portion of the intermediate gear configuration body at a side of the second intermediate gear; wherein the second intermediate gear is rotatable as a unit with the first intermediate gear and is disposed further to a radial direction outside of the motor than the first intermediate gear.
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公开(公告)号：US20170222583A1
公开(公告)日：2017-08-03
申请号：US15420698
申请日：2017-01-31
Applicant: DENSO CORPORATION , ASMO CO., LTD.
Inventor： Ryunosuke AKIMATSU , Toshihiro UCHIDA
CPC classification number: H02P6/16 , H02K1/2786 , H02P6/157 , H02P27/08 , H02P29/50
Abstract: In a control apparatus, a magnetic flux information acquiring unit acquires magnetic flux information of magnetic poles of a rotating electric machine. A fundamental setting unit sets a fundamental command value for supplying a fundamental current to a winding of the rotating electric machine. A harmonic setting unit sets, based on the magnetic flux information acquired by the magnetic flux information acquiring unit, a harmonic command value for supplying a reduction current to the winding. The reduction current is a harmonic current for reducing variation in a radial electromagnetic force acting on a rotor of the rotating electric machine. An operating unit operates, based on the fundamental command value set by the fundamental setting unit and the harmonic command value set by the harmonic setting unit, an electric power converter to supply the winding with a drive current that is obtained by superimposing the reduction current on the fundamental current.
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公开(公告)号：US20170218676A1
公开(公告)日：2017-08-03
申请号：US15409636
申请日：2017-01-19
Applicant: ASMO CO., LTD.
Inventor： Kazuto KITOU
Abstract: In a power window apparatus, which controls a lifting mechanism to drive a window glass from an opening position toward a closing position, a control unit is capable of executing: an automatic closing process that controls the lifting mechanism such that the lifting mechanism keeps driving the window glass until the window glass reaches the closing position; and a normal closing process that controls the lifting mechanism such that the lifting mechanism drives the window glass toward the closing position only throughout a time period of receiving a user operational input through an operation switch. The control unit executes only the normal closing process between the automatic closing process and the normal closing process when the operation switch receives the user operational input while the window glass is located within a predetermined section in a movable range of the window glass.
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公开(公告)号：US09667107B2
公开(公告)日：2017-05-30
申请号：US14288099
申请日：2014-05-27
Applicant: Asmo Co., Ltd.
Inventor： Yoji Yamada , Seiya Yokoyama , Keisuke Koide , Yoshiaki Takemoto , Shigemasa Kato
CPC classification number: H02K1/24 , H02K1/274 , H02K1/2746 , H02K1/278 , H02K2213/03
Abstract: A motor including a stator and a rotor. The stator includes teeth and windings. Each tooth has a distal portion defined by a radially inward side of the stator. The rotor, which is arranged inward in the radial direction from the stator, includes a rotor core, magnets, and salient poles. Each salient pole is separated by a void from the magnet that is adjacent in the circumferential direction. The distal portion of each tooth is longer than a radially outward side of each magnet.
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公开(公告)号：US09663070B2
公开(公告)日：2017-05-30
申请号：US15140606
申请日：2016-04-28
Applicant: ASMO CO., LTD.
Inventor： Takashi Natsume
CPC classification number: B60S1/08 , B60S1/0896 , G05B15/02
Abstract: A wiper device is provided that suppresses plastic deformation of a blade rubber of a wiper blade without wasting power of a battery installed to a vehicle. A wiper device is equipped with wiper blades that wipe a vehicle front glass, a wiper motor that swings the wiper blades in alternating between an upper turn position and a lower turn position by accompanied rotation of the output shaft, and a control unit that controls the wiper motor. In a case of the vehicle ignition switch being ON or OFF, the control unit controls the wiper motor such that from a stopped position where the wiper blades are located, the wiper blades are swung in a specific range of between a first stopping position and a second stopping position, and then stopped.
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