Honda Motor Co., Ltd.

Shinko Electric Industries Co., Ltd.

Keita Miyashita

Hideki Shigematsu

Hideaki Onda

Kazuaki Ushiku

Yuichi Hosoda

Takayuki Motojima

Kenji Masai

Masafumi Saito

Yasuyuki Kimura

Kenji Kitamura

Takao Inoue

Ryuzo Sakamoto

Xuan Kan

Takumi Fukaura

Shinsuke Onishi

Hiroyuki Miyajima

Akio Komamura

A stator includes a stator core having a plurality of slots, and a plurality of segment coils, each of which has an insulating film, the plurality of segment coils each including an inclined portion and a rising portion. the rising portions that are adjacent to each other in a radial direction of the stator core being joined to each other. Each of the plurality of segment coils includes first peeled portions each in which the insulating film facing the circumferential direction of the stator core is peeled in a lengthwise direction, and second peeled portions each in which the insulating film facing the radial direction of the stator core is peeled in the lengthwise direction, and a peeling length of the first peeled portion is longer than a peeling length of the second peeled portion.

Stator and method of manufacturing stator

An oil application device includes an oil supply member capable of selectively supplying oil to a first lateral surface and a second lateral surface of a flat wire. The oil supply member includes a first side surface and a second side surface. A part of the first side surface is a first application surface that is in contact with a part of the first lateral surface. Another part of the first side surface is a first non-application surface spaced apart from the first lateral surface. A part of the second side surface is a second application surface that is in contact with a part of the second lateral surface. Another part of the second side surface is a second non-application surface spaced apart from the second lateral surface.

Oil application device

A bending apparatus () includes an upper first die (), an upper second die (), a lower die (), a control unit (), an upper first moving mechanism (), an upper second moving mechanism (), a lower moving mechanism (), a holding die (), and a moving and rotating mechanism (). The lower die () is moved in an upper direction after the upper first die () and the upper second die () are moved to the front, whereby four coil segments () are bent. When the upper second die () is moved to a first withdrawal position in the rear direction after the four coil segments () are bent, a working space for the holding die () is ensured.

Apparatus and method for bending

A cut-away cutting tool has two slit forming blade portions and a peeling blade portion interposed between the two slit forming blade portions. The two slit forming blade portions respectively form slits on an insulating coating of a flat conductor wire. On the other hand, the peeling blade portion peels off a portion of the insulating coating between the slits formed by the two slit forming blade portions.

Cut-away cutting tool

An insulating sheet is pushed into a first mold portion, and formed in a first shape along a shape of the first mold portion. The insulating sheet of the first shape inside the first mold portion is pushed into the second mold, and is deformed by a front mold portion, a front guide portion, and a bent convex portion of the front mold, and a rear mold portion and a rear guide portion of the rear mold, and is formed in a second shape. The insulating sheet of the second shape is inclined such that the front end portion overlaps the rear end portion in a first direction, and the width in a front-rear direction becomes narrower toward the front and the rear end portions. The insulating sheet inserted in the second mold and formed in the second shape is inserted into a slot of a stator core.

Sheet-like member forming method and apparatus

A peeling apparatusincludes a first peeling die and a second peeling die respectively including a pair of cutting bladesthat peels the insulating film by being moved in a direction perpendicular to an axial direction of the conductive wire materialto cut the insulating film, and a support diethat supports a side surface of the conductive wire materialfrom a downstream side in a moving direction of the cutting bladesat the time of cutting by the cutting blades, the support dieof the first peeling die including a convex portionprotruding toward the conductive wire material

Peeling apparatus and peeling method

Growing community of inventors

Tochigi, Japan

Keita Miyashita