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公开(公告)号：US10435061B2
公开(公告)日：2019-10-08
申请号：US14976753
申请日：2015-12-21
Applicant: DENSO CORPORATION
Inventor： Makoto Taniguchi , Koji Isogai
Abstract: A case is formed of aluminum. A rotation axis has one end affixed with an input rotor element and is rotational with a rotor. A first bearing is equipped to the case and is located between the input rotor element and the rotor to rotationally support the rotation axis. A second bearing is equipped to the case and is located on an opposite side of the rotor from the first bearing to rotationally support the rotation axis. A multilayered helical wave washer is wound for three rounds or more in a spiral wave form and is located in an axial gap formed between the case and an outer ring of one of the first bearing and the second bearing to apply a spring load to the outer ring in the axial direction.
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公开(公告)号：US20160065027A1
公开(公告)日：2016-03-03
申请号：US14829383
申请日：2015-08-18
Applicant: DENSO CORPORATION
Inventor： Makoto Taniguchi , Jirou Hayashi
Abstract: An electric rotating machine has a first end frame and a second end frame for firmly supporting a stator between them in an axial direction of the electric rotating machine. An electronic control portion is mounted to a rear side of the first end frame. Multiple through-holes are formed at a radial-outer periphery of the second end frame. Each of multiple through-bolts is inserted into the respective through-holes from a side of the second end frame and screwed into the first end frame, to thereby firmly connect the first and the second end frames to each other.
Abstract translation: 旋转电机具有第一端框架和第二端框架，用于在电动旋转机器的轴向方向上将定子牢固地支撑在它们之间。 电子控制部分安装在第一端框架的后侧。 在第二端框的径向外周形成有多个通孔。 多个贯穿螺栓中的每一个从第二端框架的侧面插入相应的通孔中并拧入第一端框架中，从而将第一和第二端框架彼此牢固地连接。
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33.发明授权Rotor, dynamo-electric machine having the rotor and rotor manufacturing method 有权转子，发电机具有转子和转子的制造方法公开(公告)号：US09143014B2
公开(公告)日：2015-09-22
申请号：US13913812
申请日：2013-06-10
Applicant: DENSO CORPORATION , ASMO CO., LTD.
Inventor： Makoto Taniguchi , Jirou Hayashi , Masahiro Goto
CPC classification number: H02K1/28 , H02K1/278 , H02K15/03 , H02K2213/03 , Y10T29/49012
Abstract: A cover is configured into a tubular form and is fitted to a radially outer surface of each of projections of a rotor core and a radially outer surface of each of permanent magnets. A circumferential center portion of the radially outer surface of each projection contacts a radially inner surface of the cover. Circumferential end portions of the radially outer surface of each projection are radially inwardly spaced from the radially inner surface of the cover.
Abstract translation: 盖被构造成管状并且装配到转子芯的每个突起的径向外表面和每个永磁体的径向外表面。 每个突起的径向外表面的圆周中心部分接触盖的径向内表面。 每个突起的径向外表面的周向端部与盖的径向内表面径向向内间隔开。
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公开(公告)号：US11984795B2
公开(公告)日：2024-05-14
申请号：US17481650
申请日：2021-09-22
Applicant: DENSO CORPORATION
Inventor： Yuki Takahashi , Makoto Taniguchi
CPC classification number: H02K9/22 , H02K1/2786 , H02K1/28 , H02K3/47 , H02K5/18
Abstract: A rotating electrical machine includes a rotor and a magnet unit. The rotating electrical machine also includes a cylindrical stator and a housing. The stator is equipped with a stator winding made up of a plurality of phase windings. The stator is arranged coaxially with the rotor and faces the rotor. The housing has the rotor and the stator disposed therein. The rotor includes a cylindrical magnet retainer to which the magnet unit is secured and an intermediate portion which connects between a rotating shaft of the rotor and the magnet retainer and extends in a radial direction of the rotating shaft. A first region located radially inside an inner peripheral surface of a magnetic circuit component made up of the stator and the rotor is greater in volume than a second region between the inner peripheral surface of the magnetic circuit component and the housing in the radial direction.
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公开(公告)号：US11962195B2
公开(公告)日：2024-04-16
申请号：US16839465
申请日：2020-04-03
Applicant: DENSO CORPORATION
Inventor： Makoto Taniguchi
IPC: H02K1/27 , H02K1/16 , H02K1/2792 , H02K7/00
CPC classification number: H02K1/2792 , H02K1/16 , H02K7/003
Abstract: A rotary electric machine according to the present disclosure provides a rotary electric machine including: a rotor; and a concentrated winding stator arranged coaxially to the rotor, in which the number of teeth of the concentrated winding stator is set to be a value where an integer which is multiple of 3 between adjacent prime numbers in a prime number sequence is multiplied by 2 and the number of poles of the rotor is set to be a value where any prime number between the adjacent prime numbers is multiplied by 2.
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Patent Agency Ranking
公开(公告)号：US11881341B2
公开(公告)日：2024-01-23
申请号：US16835671
申请日：2020-03-31
Applicant: DENSO CORPORATION , NIPPON STEEL CORPORATION
Inventor： Tetsuya Aoki , Makoto Taniguchi , Atsuo Ishizuka , Satoshi Doi , Keiichi Okazaki , Hiroshi Fujimura , Tatsuya Takase
IPC: H01F27/245 , H01F1/18 , H02K15/02 , H02K1/16
CPC classification number: H01F27/245 , H01F1/18 , H02K1/16 , H02K15/024 , H02K15/026
Abstract: Disclosed is a method of manufacturing a core sheet. The core sheet has an annular core back portion and a plurality of tooth portions extending from the core back portion toward a radial center thereof. The method includes a blanking step, a rolling step and a removing step. In the removing step, an insulation coating, which is on a region of a grain-oriented magnetic steel sheet for forming a band-shaped core back portion, on a band-shaped core back portion of a sheet piece or on the core back portion of the core sheet, is at least partially removed.
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公开(公告)号：US11664708B2
公开(公告)日：2023-05-30
申请号：US17481661
申请日：2021-09-22
Applicant: DENSO CORPORATION
Inventor： Yuki Takahashi , Makoto Taniguchi
CPC classification number: H02K9/22 , H02K1/2786 , H02K1/28 , H02K3/47 , H02K5/18
Abstract: A rotating electrical machine includes a rotor and a magnet unit. The rotating electrical machine also includes a cylindrical stator and a housing. The stator is equipped with a stator winding made up of a plurality of phase windings. The stator is arranged coaxially with the rotor and faces the rotor. The housing has the rotor and the stator disposed therein. The rotor includes a cylindrical magnet retainer to which the magnet unit is secured and an intermediate portion which connects between a rotating shaft of the rotor and the magnet retainer and extends in a radial direction of the rotating shaft. A first region located radially inside an inner peripheral surface of a magnetic circuit component made up of the stator and the rotor is greater in volume than a second region between the inner peripheral surface of the magnetic circuit component and the housing in the radial direction.
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公开(公告)号：US11489474B2
公开(公告)日：2022-11-01
申请号：US17306197
申请日：2021-05-03
Applicant: DENSO CORPORATION
Inventor： Hirofumi Kinjo , Makoto Taniguchi
Abstract: In a driving device for a rotating electric machine, a first inverter unit blocks and allows, for each winding of multi-phase windings of the rotating electric machine, current conduction on one side of the winding and a second inverter unit blocks and allows current conduction on the other side of the winding. A plurality of second switching elements forming the second inverter unit each have a lower ON resistance than a plurality of first switching elements forming the first inverter unit. A controller is configured to switch on and off the respective first switching elements at a switching frequency higher than an electric fundamental frequency and switch on and off the respective second switching elements at a switching frequency lower than the switching frequency at which to switch on and off the first switching elements.
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公开(公告)号：US11374465B2
公开(公告)日：2022-06-28
申请号：US16748195
申请日：2020-01-21
Applicant: DENSO CORPORATION
Inventor： Yuki Takahashi , Makoto Taniguchi
Abstract: A rotating electrical machine includes a rotor and a magnet unit. The rotating electrical machine also includes a cylindrical stator and a housing. The stator is equipped with a stator winding made up of a plurality of phase windings. The stator is arranged coaxially with the rotor and faces the rotor. The housing has the rotor and the stator disposed therein. The rotor includes a cylindrical magnet retainer to which the magnet unit is secured and an intermediate portion which connects between a rotating shaft of the rotor and the magnet retainer and extends in a radial direction of the rotating shaft. A first region located radially inside an inner peripheral surface of a magnetic circuit component made up of the stator and the rotor is greater in volume than a second region between the inner peripheral surface of the magnetic circuit component and the housing in the radial direction.
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公开(公告)号：US11323009B2
公开(公告)日：2022-05-03
申请号：US16369671
申请日：2019-03-29
Applicant: DENSO CORPORATION
Inventor： Ryotaro Okamoto , Hirofumi Kinjo , Makoto Taniguchi
Abstract: A rotating electric machine unit includes a rotating electric machine, a high heat generation circuit and a low heat generation circuit both of which are electrically connected with the rotating electric machine, a first cooler, a first-coolant supplier, a second cooler and a second-coolant supplier. The first cooler is configured to cool both the high heat generation circuit and the low heat generation circuit with a first coolant. The first-coolant supplier is configured to supply the first coolant to the first cooler. The second cooler is configured to cool the rotating electric machine with a second coolant. The second-coolant supplier is configured to supply the second coolant to the second cooler. The second-coolant supplier is formed integrally with a low heat generation circuit-cooling part of the first cooler. The second-coolant supplier includes a heat exchanger via which heat is exchanged between the first coolant and the second coolant.
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