公开(公告)号：US11916502B2

公开(公告)日：2024-02-27

申请号：US17565140

申请日：2021-12-29

Applicant: DENSO CORPORATION

Inventor： Mitsutaka Ito ,  Atsushi Fukaya ,  Hisashi Umemoto

IPC: H01M16/00 ,  H02P27/08 ,  H02P29/60 ,  H01M50/507 ,  H01M10/0525 ,  H01M10/42 ,  H01M10/46 ,  H01M10/48

CPC classification number: H02P27/08 ,  H01M10/0525 ,  H01M10/425 ,  H01M10/46 ,  H01M10/486 ,  H01M50/507 ,  H02P29/60 ,  H01M2220/20

Abstract: An electric power conversion apparatus includes a rotating electric machine including armature windings, a first inverter connecting the armature windings with a first storage battery, a second inverter connecting the armature windings with a second storage battery, a changeover switch configured to connect or disconnect between first and second positive buses or between first and second negative buses, and an operating unit configured to perform, with the changeover switch being in an ON state, first and second energization processes alternately. In the first energization process, electric current is supplied from the first storage battery to the second storage battery via the first inverter, at least one of the armature windings and the second inverter. In the second energization process, electric current is supplied from the second storage battery to the first storage battery via the second inverter, at least one of the armature windings and the first inverter.

公开(公告)号：US11050314B2

公开(公告)日：2021-06-29

申请号：US16423737

申请日：2019-05-28

Applicant: DENSO CORPORATION

Inventor： Yoshimitsu Takahashi ,  Mitsutaka Ito ,  Hiroshi Shimizu ,  Takeshi Endo

IPC: H02K3/28 ,  H02K3/04 ,  H02K11/33 ,  H02K1/16 ,  H02K1/27 ,  H02K7/00 ,  H02K21/14 ,  H02K3/34 ,  H02K3/14 ,  H02M7/49 ,  B60K6/26

Abstract: In a rotating electric machine, a stator includes a stator core and three phase windings. In the stator core, a plurality of slots arrayed in a circumferential direction are formed. The three phase windings are wound around the stator core. The three phase windings include first, second, and third windings. One end of the first winding is provided further towards an outer side of the stator in a radial direction than a division line that divides the slot into two in the radial direction of the stator. One end of the second winding is provided further towards an inner side of the stator in the radial direction than the division line. One end of the third winding is provided between the one end of the first winding and the one end of the second winding relative to the radial direction of the stator, with at least a single slot therebetween.

公开(公告)号：US11183933B2

公开(公告)日：2021-11-23

申请号：US16744255

申请日：2020-01-16

Applicant: DENSO CORPORATION

Inventor： Mitsutaka Ito ,  Sadahiro Akama

IPC: H02M3/158 ,  B60L58/10 ,  H02M3/335 ,  H02M1/00

Abstract: A control device has a first control part and a second control part. The control device is applied to a DC-DC converter. The control device selects a first switch turning-on instruction or a first switch turning-off instruction generated by the first control part during a voltage boost control period, and transmits the selected first switch turning-on instruction or the selected first switch turning-off instruction to a first switch in the DC-DC converter. The control device selects a second switch turning-on instruction or a second switch turning-off instruction generated by the second control part during a voltage step-down control period, and transmits the selected second switch turning-on instruction or the selected second switch turning-off instruction to a second switch in the DC-DC converter.