公开(公告)号：US20190093962A1

公开(公告)日：2019-03-28

申请号：US15715997

申请日：2017-09-26

Applicant: National Technology & Engineering Solutions of Sandia, LLC

Inventor： Wayne Lawrence Staats, JR.

IPC: F28F3/02 ,  F28F27/00 ,  H02K9/06 ,  F16C32/06

CPC classification number: F28F3/02 ,  F16C17/04 ,  F16C19/06 ,  F16C21/00 ,  F16C32/06 ,  F16C32/0603 ,  F16C32/0614 ,  F16C32/0622 ,  F16C32/0625 ,  F16C2360/46 ,  F28F5/00 ,  F28F27/00 ,  F28F2250/08 ,  F28F2280/10 ,  H02K9/06

Abstract: The various technologies presented herein relate to fabrication and operation of a heat exchanger that is configured to extract heat from an underlying substrate. Heat can be extracted by way of an air gap formed between an impeller and a baseplate. By utilizing a pump to create an initial air gap that is further maintained by rotation of the impeller relative to the baseplate, a spring can be utilized that can apply a force of greater magnitude to the impeller than is used in a conventional approach, thus enabling the weight of the impeller to be negligible with respect to a width of the air gap, thereby conferring the desirable feature of orientation independence with respect to gravity with no performance degradation.

公开(公告)号：US20190052152A1

公开(公告)日：2019-02-14

申请号：US16059083

申请日：2018-08-09

Applicant: Nidec Corporation

Inventor： Yusuke MAKINO ,  Satoshi KAJIKAWA

IPC: H02K9/06 ,  H02K5/10 ,  H02K5/20 ,  H02K7/08 ,  H02K5/173

CPC classification number: H02K9/06 ,  H01R25/16 ,  H02K1/2773 ,  H02K1/278 ,  H02K1/28 ,  H02K5/10 ,  H02K5/16 ,  H02K5/161 ,  H02K5/1735 ,  H02K5/20 ,  H02K5/225 ,  H02K7/08 ,  H02K7/083 ,  H02K7/085 ,  H02K7/088 ,  H02K15/14 ,  H02K15/165 ,  H02K2201/06

Abstract: A motor includes a shaft, a bearing mechanism rotatably supporting the shaft, a cylindrical rotor main body fixed to the shaft, a rotor fan fixed to the shaft, an armature, and a housing. The bearing mechanism includes a first bearing above the rotor fan in the housing and facing the rotor fan in an up and down direction. The housing includes a first opening, a second opening, and a bearing holding portion. A cylindrical wind tunnel portion is outward of the rotor fan in a radial direction. An inner surface of the wind tunnel portion and the rotor fan face each other in the radial direction. An upper end portion of the inner surface of the wind tunnel portion and an outer surface of the bearing holding portion face each other in the radial direction.

公开(公告)号：US20180375460A1

公开(公告)日：2018-12-27

申请号：US16009272

申请日：2018-06-15

Applicant: FANUC CORPORATION

Inventor： Masaki MIURA

IPC: H02P29/60 ,  H02K9/06

CPC classification number: H02P29/60 ,  H02K9/06

Abstract: A control device capable of continuously operating an electric motor even when an abnormality occurs in a fan. The control device includes: a cooling operation information acquisition section configured to acquire cooling operation information of the fan; a cooling operation determination section configured to determine whether the cooling operation information indicates a normal cooling operation; a running information acquisition section configured to acquire running information of the electric motor; and a running control section configured to, in accordance with a determination that the cooling operation information does not indicate the normal cooling operation, control an operation of the electric motor to be in an overheat-prevented state by referring to the running information.

公开(公告)号：US20180358854A1

公开(公告)日：2018-12-13

申请号：US15963568

申请日：2018-04-26

Applicant: MAKITA CORPORATION

Inventor： Junya INUZUKA

IPC: H02K1/27 ,  H02K7/14 ,  H02K1/30 ,  B25D11/12 ,  B25D16/00 ,  B25F5/02

CPC classification number: H02K1/276 ,  B25D11/12 ,  B25D16/00 ,  B25D2211/068 ,  B25D2250/121 ,  B25D2250/221 ,  B25D2250/265 ,  B25F5/02 ,  H02K1/30 ,  H02K7/145 ,  H02K9/06

Abstract: A rotor has reduced weight. A hammer drill includes a motor including a stator and a rotor rotatable relative to the stator. The rotor includes a rotor core having a first space, and a permanent magnet fixed on the rotor core.

公开(公告)号：US20180288907A1

公开(公告)日：2018-10-04

申请号：US15523076

申请日：2015-10-30

Applicant: ALGOZEN CORPORATION

Inventor： Michael John Richards

IPC: H05K7/20

CPC classification number: H05K7/20927 ,  H01L23/36 ,  H01L23/4093 ,  H01L23/467 ,  H01L23/473 ,  H01L2924/0002 ,  H02K9/06 ,  H02K11/33 ,  H02K2211/03 ,  H05K7/209 ,  H01L2924/00

Abstract: The invention in part, is a heat removal system or apparatus providing a method of mounting and electrically connecting heat dissipating electrical devices, preferably in a radial geometry while achieving good surface-to-surface clamping force, in liquid and or air cooled variants. A variation of the invention can provide arc safety for high power density applications. In specific embodiments, the invention also provides low inductance as a result of minimal loop area while also providing high voltage isolation between devices. The N-sided geometry and effective clamping methodology offer low mass and volume. A variation of the invention also provides a signal interface for driving power electronics devices. A unique cylindrical electrical device package with terminals can support capacitor, inductor and transformer integration in a common package. The various elements of the invention can be combined together to minimize size and weight, while addressing high voltage, noise and thermal management.

公开(公告)号：US20180266440A1

公开(公告)日：2018-09-20

申请号：US15911240

申请日：2018-03-05

Applicant: Nidec Corporation

Inventor： Kazuhiko SHIOZAWA

IPC: F04D29/58 ,  F04D25/06 ,  F04D29/40 ,  A47L9/08 ,  H02K1/16 ,  H02K1/27 ,  H02K5/173 ,  H02K5/18 ,  H02K7/08 ,  H02K7/14 ,  H02K9/06 ,  H02K9/22

CPC classification number: F04D29/5853 ,  A47L9/08 ,  F04D25/06 ,  F04D29/403 ,  F04D29/5806 ,  H02K1/16 ,  H02K1/2753 ,  H02K5/1732 ,  H02K5/18 ,  H02K5/20 ,  H02K7/083 ,  H02K7/14 ,  H02K9/06 ,  H02K9/22

Abstract: A blower includes an impeller capable of rotating around a central axis extending in an up-down direction; a motor that rotates the impeller; a motor housing surrounding an outer side in a radial direction of the motor; and a thermally conductive member arranged in the motor housing. The motor includes a shaft arranged along the central axis, a rotor that is fixed to the shaft and that rotates together with the shaft, and a stator facing the rotor in the radial direction. The thermally conductive member includes a first contact portion that contacts the stator, and a second contact portion that contacts the motor housing.

公开(公告)号：US10056806B2

公开(公告)日：2018-08-21

申请号：US13704033

申请日：2011-06-14

Applicant: Eric E. Hatfield ,  Earl M. Ortt

Inventor： Eric E. Hatfield ,  Earl M. Ortt

IPC: H02K3/28 ,  H02K9/06 ,  H02K3/52 ,  H02K5/22 ,  H02K7/14 ,  H02K21/12 ,  H02K11/20 ,  H02K11/215 ,  H02K11/33 ,  H02K11/21 ,  H02K9/22 ,  H02K11/30 ,  H02K1/27 ,  H02K7/116 ,  H02K21/16

CPC classification number: H02K9/06 ,  H02K1/276 ,  H02K3/28 ,  H02K3/522 ,  H02K5/225 ,  H02K7/116 ,  H02K7/145 ,  H02K9/22 ,  H02K11/20 ,  H02K11/21 ,  H02K11/215 ,  H02K11/30 ,  H02K11/33 ,  H02K21/12 ,  H02K21/16 ,  H02K2203/03 ,  H02K2203/09

Abstract: A power tool includes a brushless DC motor having a stator and a rotor pivotably arranged inside the stator, the stator including a first winding, a second winding, and a third winding. Each winding is arranged at at least two opposite poles connected together. The stator windings may be connected in a delta configuration by electrically coupling adjacent terminals of the first and second windings, second and third windings, and third and first windings at three connection points. A baffle may be provided in parallel and adjacent to the stator, the baffle including at least one conductive routing or stamping to facilitate electrically coupling the first, second, and third windings in at least one of a delta or a wye configuration.

公开(公告)号：US20180231008A1

公开(公告)日：2018-08-16

申请号：US15887451

申请日：2018-02-02

Applicant: FANUC CORPORATION

Inventor： Kazuhiro YAMAMOTO ,  Makoto TAKESHITA

IPC: F04D25/06 ,  H02K5/22 ,  H02K5/10 ,  H02K3/30 ,  H02K15/12 ,  H02K15/14 ,  F04D29/52

CPC classification number: F04D25/0693 ,  F04D29/522 ,  F04D29/601 ,  H02K1/187 ,  H02K3/30 ,  H02K5/10 ,  H02K5/225 ,  H02K7/14 ,  H02K9/06 ,  H02K15/12 ,  H02K15/14 ,  H02K21/22

Abstract: An object of the present invention is to provide a fan unit, a motor drive device and a method of manufacturing the fan unit in which an assembly operation is facilitated by use of a small number of components, and in which thus it is possible to reduce the cost thereof. A fan unit includes: a fan which includes a motor and a casing; a base portion to which the fan is fixed by fixing of the casing; and a connector portion which can be connected to an external terminal for supplying power to the motor and which includes a conductive contact and a housing that is formed integrally with the base portion.

公开(公告)号：US10014755B2

公开(公告)日：2018-07-03

申请号：US15236929

申请日：2016-08-15

Applicant: REMY TECHNOLOGIES, L.L.C.

Inventor： Kirk Neet ,  David Maley ,  Scott Bitzer ,  Chad Zook

IPC: H02K1/24 ,  H02K7/14 ,  H02K9/06 ,  H02K15/02

CPC classification number: H02K15/022 ,  H02K1/243 ,  H02K7/14 ,  H02K9/06

Abstract: A method of securing a fan member to a rotor assembly of an electric machine. The method includes positioning the fan member adjacent the rotor, aligning at least two mounting members extending radially outwardly of the central hub of the rotor assembly with a corresponding at least two mounting elements extending radially inwardly of a hub portion of the fan member, and securing the at least two mounting members to the corresponding at least two mounting elements.

公开(公告)号：US20180175701A1

公开(公告)日：2018-06-21

申请号：US15848839

申请日：2017-12-20

Applicant: Weg Equipamentos Elétricos S.A.

Inventor： Marcelo VERARDI ,  Jose Roberto DOS SANTOS ,  Ricardo WILGES ,  Talita WAJCZYK ,  Thiago Schwinden LEAL

IPC: H02K9/02

CPC classification number: H02K9/02 ,  H02K5/20 ,  H02K9/06

Abstract: A fastening system for the air deflector of a rotating electric machine and, more specifically, to a fastening system allowing variations in the axial position of the deflector and eliminating the need for additional fasteners. In the fastening system of the present invention, the casing has at least a portion of the inner surface configured with a plurality of axially spaced ridges, and the deflector comprises a substantially flat annular plate. The deflector has at least two resilient legs projecting from the annular plate, each leg having a shoulder sized to snap fit against a space formed between the axially spaced of the inner surface of the casing.