Hitachi Automotive Systems, Ltd.

Hitachi Astemo Ltd.

Tomohiro Fukuda

Kenichi Nakayama

Shinji Yamazaki

Hisaya Shimizu

Takashi Genmoto

Kazuo Ojima

Mohdbasir Zulaika

Shin Onose

Hiromitsu Okamoto

Shinjirou Watari

Mitsuaki Mirumachi

Naoki Nishikawa

Akira Toba

Tomohiro Adachi

Motoo Kitahara

Teruaki Higuchi

Hiroyuki Takahoshi

Yasuyuki Saito

Yutaka Matsunobu

Toshio Ishikawa

Takuro Kanazawa

Kazuhiko Nakano

Satoshi Yamamura

Yuji Kanoh

Yousuke Umesaki

Narutoshi Yamada

Yoshiaki Mizuhashi

Hiroshi Matahira

Takahiro Ohmori

Masamichi Kase

Takeshi Konno

Mitsue Hashimoto

Dai Nakamura

Yasuhiro Shimada

An object of the invention is to increase productivity of a coil. A coil forming device according to the present invention includes: a first bending unitA that performs a compression bending process with respect to a linear conductor; and a second bending unitB that performs a draw bending process with respect to the linear conductor, wherein the first bending unitA and the second bending unitB are integrated in one device, and wherein the first bending unitA and the second bending unitB are switched to access one linear conductor so as to perform the compression bending process and the draw bending process onto the one linear conductor.

Coil forming device and coil of a rotating electric device

An electronic control unit includes a connector, a first board, and a second board. The first board includes an inner-layer conductor. The second board includes an inner-layer conductor and provided with a control circuit. A thickness of the inner-layer conductor of the first board is thicker than a thickness of the inner-layer conductor of the second board. The thickness of the inner-layer conductor of the first board is 1.7 to 2.3 times the thickness of the inner-layer conductor of the second board.

Electronic control unit capable of suppressing an increase in size of a board

This disclosure is directed to a stator of a rotary electric machine. The stator includes a stator coil having a welding portion of segment conductors. Each of the segment conductors includes an exposed conductor wire portion. The exposed conductor includes a root portion adjacent to an insulating coating. A thickness of the insulating coating is 50 μm or more. The predetermined amount of displacement is 1±0.4 times or 2±0.4 times the thickness of the insulating coating. A length of the transition portion is 0.5 times or more and 2 times or less of a thickness of the conductor wire.

Stator of rotary electric machine and rotary electric machine including stator

A first circuit boardand a second circuit board, each of which have mounted thereon circuit components for controlling and driving an electric motor, are stacked with a space left therebetween such that one board surface of the first circuit board and one board surface of the second circuit board are opposed to and face each other in the direction of a rotation shaftof the electric motor. In a state that the first circuit boardand the second circuit boardare attached to the motor housing, a receptacle connectormounted on the first circuit board and a plug connectormounted on the second circuit board form a 'board-to-board connector' by which the circuit components of the first and second circuit boards are electrically connected.

Electric powered drive device, and method for assembling electric powered drive device

An object is to assemble a housing to a mating bracket with high accuracy and to improve the reliability of a rotating electrical machine. A housing of a rotating electrical machine according to the present invention is a housing of a rotating electrical machine that accommodates a stator of the rotating electrical machine and is supported by a support member, the housing including: a first tab that forms a first through-hole through which a first screw passes; and a second tab that forms a second through-hole through which a second screw passes and forms a fitting portion that fits with a position adjustment member, wherein the first tab is formed such that a first facing surface facing the support member of the first tab is farther from the support member than a second facing surface facing the support member of the second tab.

Housing, rotating electrical machine using the same, and method of manufacturing housing of rotating electrical machine

An object of the present invention is to improve the component mounting efficiency. An electronic control unit of the present invention includes: a power boardthat includes a first insertion hole portion RA having a plurality of holesAa-U,Aa-V, andAa-W through which a coil wire of a first system is inserted and a second insertion hole portion RA having a plurality of holesAa-U,Aa-V, andAa-W through which a coil wire of a second system is inserted; a control boardprovided on an upper part of the power boardand a board-to-board connectorthat electrically connects the power boardand the control boardThe first insertion hole portion RA and the second insertion hole portion RA are collectively arranged on the same side of the power board

Electronic control unit and method for assembling electronic control unit

The assembling performance of an electronic control device can be improved. An electronic control device includes a control boardand a power source conversion board. The control boardincludes a first power source terminal, a first GND terminal, and a male floating connectoron one surface. The power source conversion boardincludes a second power source gripping terminalelectrically connected to the first power source terminal, a second GND gripping terminalelectrically connected to the first GND terminal, and a female floating connectorelectrically connected to a male floating connectoron one surface.

Electronic control device and electric power steering device

Provided is a rotor capable of improving the reliability of a connection between a lead conductor and a terminal member. A stator includes a winding wound around a stator core and having a lead conductor at an end thereof, and a terminal member having a connection portion to the lead conductor of the winding. The connection portion of the terminal member includes a winding-side connection portion that fixes the lead conductor, and a leading-end-side connection portion that fixes a portion closer to a leading end of the lead conductor than the winding-side connection portion.

Stator, rotary electric machine, and manufacturing method for stator

A stator of a rotating electric machine includes a stator and a stator coil. The stator core has a plurality of slots. The stator coil is inserted into the plurality of slots. The stator coil includes two or more conductors. The two or more conductors are arranged such that a gap is generated between adjacent crossing conductors, the gap having a shape of a parallelogram.

Rotating-electrical-machine stator, and rotating electrical machine provided with same

Workability during attachment of a sensor element to a rotating electric machine is improved. A semiconductor element functioning as a sensor element for detecting temperatures of concentrated winding coils is inserted between two concentrated winding coils adjacent to each other in a plurality of the concentrated winding coils. One end of a lead wire is connected to the semiconductor element, while the other end of the lead wire is drawn out of a stator. The lead wire has a plurality of bent portions. A hook regulates an extending direction of the lead wire drawn out of the stator such that a bent state of the bent portions of the lead wire is maintained.

Rotating electric machine

The object of the invention is to improve operability of the process for inserting the coil conductor into the insulating member stored inside the slot of the rotor core. Each of the first insulating member and the second insulating member has one side arranged between the first coil and the second coil so that the respective sides are superposed along the radial direction of the stator core. The side of the first insulating member and the side of the second insulating member are connected with the first connection part at one end in the longitudinal direction.

Stator for rotary electric machine, method of manufacturing stator for rotary electric machine, and rotary electric machine

This object is to secure a creepage insulation distance and improve insulation reliability. A stator core is formed as a housing, and is configured such that storage spaces for storing a plurality of segment coils are formed on an inner circumferential side of the housing in an axial direction of the housing and a plurality of the storage spaces is formed at intervals on the inner circumferential side of the housing. A plurality of coil support members is formed as annular members, and supports the plurality of segment coils. The coil support members each include a plurality of through-holes for inserting the segment coils, which is openings connected to the storage spaces, are separately disposed at both ends of the stator core in the axial direction, and each cover the inner circumferential side of the end portion of the stator core in the axial direction.

Stator for rotating electric machine having coil support members for stator core

A method of manufacturing a rotor of a rotating electrical machine includes a method of manufacturing a rotor of a rotating electrical machine including a magnet and a rotor core forming storage space for storing the magnet. The rotor core forms an opening connected to the storage space. The method includes a first step of covering at least part of the opening with a first jig and a second jig having a non-adhesive resin film, a second step of putting an adhesive into the storage space, a third step of curing the adhesive in a state of being in contact with the non-adhesive resin film to form a plane surface facing an end ring of the rotating electrical machine, and a fourth step of separating the first jig and the second jig from the adhesive.

Method of manufacturing rotor of rotating electrical machine

Provided are a rotary-electric-machine stator coil, a rotary-electric-machine stator having the same, and a rotary electric machine having the same, capable of improving a bonding strength and insulation reliability of a conductor bonding portion. A rotary-electric-machine stator coil includes: a conductorhaving a bonding portionbonded to other conductors; and a bonding memberhaving a melting point lower than a melting point of the conductor, wherein a tip of the bonding portion has an alloy layerformed of an alloy of the conductor and the bonding member, and a root of the bonding portion is electrically connected by the bonding member.

Rotary-electric-machine stator coil, rotary-electric-machine stator having the same, and rotary electric machine having the same

A stator in which the height of a coil end of a stator winding can be lowered is provided, and an electric rotating machine including such a stator is provided. In a stator of an electric rotating machine including a stator winding including neutral lines and output lines, the neutral lines are configured to include crawling portion extending circumferentially in the upper portion of a coil at the coil end, and the crawling portion includes an axial stepped portion. The output lines are configured to pass under the axial stepped portion in at least one location of three phases.

Growing community of inventors

Hitachinaka, Japan

Tomohiro Fukuda