Patents by Inventor Shinji Nishimura
Shinji Nishimura has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12249873Abstract: The rotary electric machine includes: a rotor core configured having electromagnetic steel sheets; a stator core having electromagnetic steel sheets; a magnet inserted in each of a plurality of through holes; and a magnetic end plate in contact with one or each of an end surface on one side in the axial direction of the rotor core and an end surface on another side in the axial direction of the rotor core, and having a single magnetic sheet or a plurality of magnetic sheets stacked in the axial direction, wherein heat generated from the magnetic end plate owing to eddy current that is generated in the magnetic end plate by magnetic flux from the stator core is equal to or lower than heat generated from the rotor core owing to eddy current that is generated in the rotor core by magnetic flux from the stator core.Type: GrantFiled: June 28, 2022Date of Patent: March 11, 2025Assignee: Mitsubishi Electric CorporationInventors: Yoshihiro Miyama, Tomohira Takahashi, Junji Kitao, Shinji Nishimura
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Publication number: 20250052606Abstract: This vibration monitoring device comprises: a rotation sensor for outputting a rotation signal synchronized to rotation of a rotating shaft; a cut rotation signal generating unit for generating a cut rotation signal when the rotation signal is output from the rotating sensor, by replacing a part of the rotation signal equal to or greater than a predetermined limit value with the limit value, and leaving as the rotation signal, without modification, parts of the rotation signal that are less than the limit value; an offset rotation signal generating unit for generating an offset rotation signal obtained by offsetting the cut rotation signal to approach the limit value; and a first filter for extracting, from within the offset rotation signal, a signal in a passband set on the basis of a rotational speed of the rotating shaft, as a vibration signal enabling vibration information of the rotating shaft to be acquired.Type: ApplicationFiled: December 21, 2022Publication date: February 13, 2025Applicant: Mitsubishi Heavy Industries Marine Machinery & Equipment Co., Ltd.Inventors: Tadashi Yoshida, Hidetaka Nishimura, Akifumi Tanaka, Tomoaki Takeshita, Shinji Ogawa, Ryoji Sasaki
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Patent number: 11846220Abstract: An engine that suppresses damage on a support mechanism of a diesel particulate filter (DPF) due to vibration in the pitch direction, in which the DPF, which purifies exhaust gas from an exhaust manifold, is disposed in an orientation orthogonal or approximately orthogonal to a rotational axis of a crankshaft in a plan view. A support mechanism is provided, which enables a cylinder head, an intake manifold, and an intake collector to support the DPF. The support mechanism includes a first support position in which the cylinder head supports the DPF, a second support position in which the intake manifold supports the DPF, and a third support position in which the intake collector supports the DPF. The third support position deviates from the first support position and the second support position in a direction of the rotational axis of the crankshaft.Type: GrantFiled: November 17, 2021Date of Patent: December 19, 2023Assignee: Yanmar Power Technology Inc., Ltd.Inventor: Shinji Nishimura
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Publication number: 20230123457Abstract: The rotary electric machine includes: a rotor core configured having electromagnetic steel sheets; a stator core having electromagnetic steel sheets; a magnet inserted in each of a plurality of through holes; and a magnetic end plate in contact with one or each of an end surface on one side in the axial direction of the rotor core and an end surface on another side in the axial direction of the rotor core, and having a single magnetic sheet or a plurality of magnetic sheets stacked in the axial direction, wherein heat generated from the magnetic end plate owing to eddy current that is generated in the magnetic end plate by magnetic flux from the stator core is equal to or lower than heat generated from the rotor core owing to eddy current that is generated in the rotor core by magnetic flux from the stator core.Type: ApplicationFiled: June 28, 2022Publication date: April 20, 2023Applicant: Mitsubishi Electric CorporationInventors: Yoshihiro MIYAMA, Tomohira TAKAHASHI, Junji KITAO, Shinji NISHIMURA
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Publication number: 20220074330Abstract: An engine that suppresses damage on a support mechanism of a diesel particulate filter (DPF) due to vibration in the pitch direction, in which the DPF, which purifies exhaust gas from an exhaust manifold, is disposed in an orientation orthogonal or approximately orthogonal to a rotational axis of a crankshaft in a plan view. A support mechanism is provided, which enables a cylinder head, an intake manifold, and an intake collector to support the DPF. The support mechanism includes a first support position in which the cylinder head supports the DPF, a second support position in which the intake manifold supports the DPF, and a third support position in which the intake collector supports the DPF. The third support position deviates from the first support position and the second support position in a direction of the rotational axis of the crankshaft.Type: ApplicationFiled: November 17, 2021Publication date: March 10, 2022Applicant: Yanmar Power Technology Co., Ltd.Inventor: Shinji Nishimura
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Patent number: 11255703Abstract: A rotation angle detection device for accurately detecting a rotation angle is obtained even when electromagnetic noise due to an electrical component(s) and the like of an electric automotive vehicle is superimposed on detection signals of the rotation angle detection device.Type: GrantFiled: January 11, 2018Date of Patent: February 22, 2022Assignee: Mitsubishi Electric CorporationInventors: Yoshimasa Nishijima, Masahiro Iezawa, Shinji Nishimura, Ryosuke Shigematsu
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Patent number: 11203959Abstract: An engine that suppresses damage on a support mechanism of a diesel particulate filter (DPF) due to vibration in the pitch direction, in which the DPF, which purifies exhaust gas from an exhaust manifold, is disposed in an orientation orthogonal or approximately orthogonal to a rotational axis of a crankshaft in a plan view. A support mechanism is provided, which enables a cylinder head, an intake manifold, and an intake collector to support the DPF. The support mechanism includes a first support position in which the cylinder head supports the DPF, a second support position in which the intake manifold supports the DPF, and a third support position in which the intake collector supports the DPF. The third support position deviates from the first support position and the second support position in a direction of the rotational axis of the crankshaft.Type: GrantFiled: October 22, 2020Date of Patent: December 21, 2021Assignee: Yanmar Power Technology Co., Ltd.Inventor: Shinji Nishimura
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Patent number: 11171523Abstract: In a rotary electric machine, slots are formed between teeth of a stator core. A ratio of a number of poles to a number of slots is 2:3. When an electrical angle of a tooth tip width, which is a width dimension of a tip of each of the teeth in a circumferential direction of the stator, is represented by ?, an electrical angle of a pole arc angle, which is an angle formed by two straight lines that connect a rotation center of a rotor to corners on a rotor surface side of one permanent magnet, is represented by ?, and a number of pole pairs is represented by P, the tooth tip width is within a range of (electrical angle)±0.2°×P for a value that satisfies the following expression: ?=?2.5?+319.7 (0<??180) [deg].Type: GrantFiled: November 29, 2016Date of Patent: November 9, 2021Assignee: Mitsubishi Electric CorporationInventors: Moriyuki Hazeyama, Junji Kitao, Yoshihiro Miyama, Shogo Okamoto, Shinji Nishimura, Ryuichi Kitora, Ryuji Kitamura, Hitoshi Isoda
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Publication number: 20210040872Abstract: An engine that suppresses damage on a support mechanism of a diesel particulate filter (DPF) due to vibration in the pitch direction, in which the DPF, which purifies exhaust gas from an exhaust manifold, is disposed in an orientation orthogonal or approximately orthogonal to a rotational axis of a crankshaft in a plan view. A support mechanism is provided, which enables a cylinder head, an intake manifold, and an intake collector to support the DPF. The support mechanism includes a first support position in which the cylinder head supports the DPF, a second support position in which the intake manifold supports the DPF, and a third support position in which the intake collector supports the DPF. The third support position deviates from the first support position and the second support position in a direction of the rotational axis of the crankshaft.Type: ApplicationFiled: October 22, 2020Publication date: February 11, 2021Applicant: Yanmar Power Technology Co., Ltd.Inventor: Shinji Nishimura
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Patent number: 10858975Abstract: An engine that suppresses damage on a support mechanism of a diesel particulate filter (DPF) due to vibration in the pitch direction, in which the DPF, which purifies exhaust gas from an exhaust manifold, is disposed in an orientation orthogonal or approximately orthogonal to a rotational axis of a crankshaft in a plan view. A support mechanism is provided, which enables a cylinder head, an intake manifold, and an intake collector to support the DPF. The support mechanism includes a first support position in which the cylinder head supports the DPF, a second support position in which the intake manifold supports the DPF, and a third support position in which the intake collector supports the DPF. The third support position deviates from the first support position and the second support position in a direction of the rotational axis of the crankshaft.Type: GrantFiled: May 10, 2018Date of Patent: December 8, 2020Assignee: YANMAR POWER TECHNOLOGY CO., LTD.Inventor: Shinji Nishimura
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Patent number: 10852163Abstract: A rotation angle detection device including: a rotor; a stator including “b” (b?3) magnetic detection portions (MDPs) each including a bias magnetic field generation portion and a magnetic detection element (MDE); and a rotation angle processor calculating a rotation angle of the rotor based on a detection by the (MDEs). The rotor has convex and concave portions (CCPs), which change in “x” cycles for a mechanical angle 360 (“x”?1) to make the MDEs possible to obtain a sine wave. There are arranged “b” MDPs along a circumferential direction of the stator for each cycle of the CCPs, which are arranged at intervals of a mechanical angle 360×(n×b+m)/(x×b), where “n” (n?0) represents, by a number of cycles, a deviation amount of each of the MDPs from a reference position in the circumferential direction, and “m” (1?m?“b”) represents a position of a MDP in an arrangement order.Type: GrantFiled: October 31, 2016Date of Patent: December 1, 2020Assignee: Mitsubishi Electric CorporationInventors: Hitoshi Isoda, Yoshihiro Miyama, Tatsuo Nishimura, Hideaki Arita, Shinji Nishimura, Koji Nishizawa
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Publication number: 20200370926Abstract: A rotation angle detection device for accurately detecting a rotation angle is obtained even when electromagnetic noise due to an electrical component(s) and the like of an electric automotive vehicle is superimposed on detection signals of the rotation angle detection device.Type: ApplicationFiled: January 11, 2018Publication date: November 26, 2020Applicant: Mitsubishi Electric CorporationInventors: Yoshimasa NISHIJIMA, Masahiro IEZAWA, Shinji NISHIMURA, Ryosuke SHIGEMATSU
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Publication number: 20200157990Abstract: An engine that suppresses damage on a support mechanism of a diesel particulate filter (DPF) due to vibration in the pitch direction, in which the DPF, which purifies exhaust gas from an exhaust manifold, is disposed in an orientation orthogonal or approximately orthogonal to a rotational axis of a crankshaft in a plan view. A support mechanism is provided, which enables a cylinder head, an intake manifold, and an intake collector to support the DPF. The support mechanism includes a first support position in which the cylinder head supports the DPF, a second support position in which the intake manifold supports the DPF, and a third support position in which the intake collector supports the DPF. The third support position deviates from the first support position and the second support position in a direction of the rotational axis of the crankshaft.Type: ApplicationFiled: May 10, 2018Publication date: May 21, 2020Applicant: Yanmar Co., Ltd.Inventor: Shinji NISHIMURA
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Patent number: 10543607Abstract: A handheld personal care device according to the present disclosure includes: an operation switch configured to change a treatment operation of an operation unit; a sensor electrode configured to cause a change in capacitance depending on whether or not the grip unit is grasped; and a control device electrically connected to the operation switch and the sensor electrode and configured to control the treatment operation of the operation unit. The control device includes: a grasp detector configured to detect that the grip unit is grasped based on a change in capacitance of the sensor electrode; and a change permission part configured to permit the operation switch to change the treatment operation of the operation unit when the change permission part receives, from the grasp detector, grasp information indicating that the grip unit is grasped.Type: GrantFiled: February 14, 2018Date of Patent: January 28, 2020Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Mitsuru Takechi, Shinji Nishimura, Takafumi Ohba, Atsushi Takahashi
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Patent number: 10505410Abstract: A plurality of core blocks that are arranged into an annular shape are inserted into and fixed to a cylindrical frame, and are disposed inside the frame, a bolt passage member that is produced as a solid body and that has a bolt passage aperture that passes through in a longitudinal direction is fixed by welding to an outer circumferential surface of the frame such that the longitudinal direction thereof is oriented in the axial direction of the frame, and a stator is held on the housing by fastening a bolt that is passed through the bolt passage aperture into a fixing portion that is formed on the housing.Type: GrantFiled: April 14, 2014Date of Patent: December 10, 2019Assignee: Mitsubishi Electric CorporationInventors: Tadashi Murakami, Kouichi Ojima, Shinji Nishimura
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Patent number: 10491059Abstract: While lamination of steel sheets to be included in a stator core having a plurality of tooth portions is performed through swaging at yoke portions and through swaging at tooth portions, the stator core is formed in such a way as to include the tooth portion having a portion that is pressed into another steel sheet through swaging and the tooth portion having no portion that is pressed into another steel sheet through swaging.Type: GrantFiled: January 15, 2015Date of Patent: November 26, 2019Assignee: Mitsubishi Electric CorporationInventors: Tadashi Murakami, Naomi Kikuchi, Atsushi Sakaue, Tatsuro Hino, Akihiro Yamamura, Shogo Okamoto, Shinji Nishimura, Masaya Inoue
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Patent number: 10471613Abstract: Electric appliance (1) includes control section (31) having a plurality of operation modes, driving source (21) controlled by control section (31), and switch (12) for switching between the operation modes. Control section (31) is configured to perform a first determination and a second determination in response to an operation duration of switch (12) in order to determine a type of the operation of switch (12), and to set an operation mode after the operation of switch (12) in response to the results of the first and second determinations and an operation mode before the operation of switch (12). In the present aspect, the operability of switching between the operation modes in electric appliance (1) is improved.Type: GrantFiled: March 17, 2016Date of Patent: November 12, 2019Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Shinji Nishimura, Takafumi Ohba, Kotaro Yanagi
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Patent number: 10404115Abstract: A contour line on the outer circumferential side of each magnet hole in the first layer is formed to be an arc passing through a total of three intersections, i.e., an intersection of a d axis and a reference magnetic flux line which is a magnetic flux line as a reference positioned inward by a predetermined number of magnetic flux lines from the outer circumferential edge of a rotor core, and intersections of: the reference magnetic flux line; and sides at the circumferential ends of the magnet hole which are positioned inward by a bridge dimension from the outer circumferential edge of the rotor core. Thus, a rotary electric machine that enables maximum utilization of reluctance torque and magnet torque and suppression of torque ripple can be obtained with simple processing and low cost.Type: GrantFiled: December 15, 2014Date of Patent: September 3, 2019Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Sachiko Kawasaki, Kimiyasu Furusawa, Atsushi Sakaue, Akira Hashimoto, Hiroyuki Akita, Moriyuki Hazeyama, Masaya Inoue, Shinji Nishimura
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Publication number: 20190250011Abstract: A rotation angle detection device including: a rotor; a stator including “b” (b?3) magnetic detection portions (MDPs) each including a bias magnetic field generation portion and a magnetic detection element (MDE); and a rotation angle processor calculating a rotation angle of the rotor based on a detection by the (MDEs). The rotor has convex and concave portions (CCPs), which change in “x” cycles for a mechanical angle 360 (“x”?1) to make the MDEs possible to obtain a sine wave. There are arranged “b” MDPs along a circumferential direction of the stator for each cycle of the CCPs, which are arranged at intervals of a mechanical angle 360×(n×b+m)/(x×b), where “n” (n?0) represents, by a number of cycles, a deviation amount of each of the MDPs from a reference position in the circumferential direction, and “m” (1?m?“b”) represents a position of a MDP in an arrangement order.Type: ApplicationFiled: October 31, 2016Publication date: August 15, 2019Applicant: Mitsubishi Electric CorporationInventors: Hitoshi ISODA, Yoshihiro MIYAMA, Tatsuo NISHIMURA, Hideaki ARITA, Shinji NISHIMURA, Koji NISHIZAWA
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Patent number: 10305342Abstract: A motor, which can reduce a shaft current by a cheap configuration and has a high reliability, is provided. A motor which is provided between an internal combustion engine and a transmission and installed in a housing for connecting the internal combustion engine and the transmission, in which a number of magnetic poles of a rotor is “10×n” (n is a natural number), and a number of teeth of a stator is “12×n” (n is a natural number); and a rotary shaft of the rotor, bearings for supporting the rotary shaft, and the housing are composed of electric conductors; and an electric conductor circuit, which includes the rotary shaft, the bearings, and the housing and is interlinked to the stator, is formed.Type: GrantFiled: October 8, 2013Date of Patent: May 28, 2019Assignee: Mitsubishi Electric CorporationInventors: Shinji Nishimura, Shinsuke Kayano