Mitsubishi Electric Corporation

Mitsubishi Denki Kabushiki Kaisha

Wakunaga Pharmaceutical Co., Ltd.

Mistubishi Denki Kabushiki Kaisha

Mitsbushi Electric Corporation

Neugen Pharma Inc.

Kazunori Tanaka

Kyoko Higashino

Kazuya Hasegawa

Yoshiro Imazawa

Katsumi Adachi

Shinichiro Minami

Masaya Inoue

Shinji Nishimura

Toshiyuki Yoshizawa

Masao Morita

Takahiro Kimura

Moriyuki Hazeyama

Yuzuru Kobayashi

Kyoko Kurusu

Yoshihito Asao

Hiroyuki Akita

Masao Akiyoshi

Yoshihiro Shinosaka

Kanji Shinkawa

Takeshi Mori

Atsushi Oohashi

Satoshi Inoue

Toshiaki Kashihara

Keiichi Komurasaki

Katsuyuki Sumimoto

Yoshihiro Harada

Yoshiharu Hayashi

Shuichi Tamura

Takatoshi Masuda

Katsuhiro Sasaki

Toshiyuki Oonishi

Ryuichi Shimomura

Atsushi Ohashi

Hirotaka Kimata

Katsuya Akamatsu

Kazuyuki Iwamoto

Shintaro Shimizu

Yukiyoshi Ohnishi

Hirokazu Akai

Kenta Ninomiya

Keiichi Miyamoto

Hiroya Ikuta

Norihiro Murata

Ken Nishikawa

Joh-E Ikeda

Mitsuyasu Okamoto

Hiroshi Hosokawa

Toshiyuki Onishi

Hitoshi Shibagaki

Jyunya Sasaki

Tomonori Yamamoto

Shigeru Onoue

Ryuzo Morita

Ryoichi Sasahara

Yukiyoshi Onishi

Noriaki Hirayama

Takuya Kanno

Kenji Nakao

Yukiyoshi Oonishi

Takuma Wada

Kazuya Nakamachi

Yoshikazu Ohta

Provided is a rotary electric machine, including a pair of frames each including a cylindrical part, the cylindrical part having a fitting groove formed in an axial end portion, the pair of frames holding a stator core in an axial direction under a state in which both axial end portions of the stator core are each fitted in the fitting groove, the fitting groove having an axial surface having an annular shape opposed to an axial end surface of the stator core and a radial surface having a cylindrical shape opposed to an outer peripheral surface of the stator core, the radial surface having a recessed part recessed toward a radially outer side in a portion on the axial surface side, the cylindrical part having an inner peripheral surface opposed to a coil end, the inner peripheral surface having a large diameter part recessed toward the radially outer side.

Rotary electric machine

A vehicle AC power generator includes a protection cover disposed at the rear side of a rear bracket included in a housing of the vehicle AC power generator, an attachment bolt that penetrates a through-hole formed in a bottom portion of a protection cover and is fixed to a portion at one axle-direction side of the housing, an output terminal bolt that extends from a rectifier, which rectifies AC electric power, toward the outside of one axle-direction side of the protection cover, and an insert coated conductor that is supported by the output terminal bolt and the attachment bolt and is provided at the rear surface of the protection cover.

Vehicle AC power generator

In an AC generator, a protective cover includes a locking claw provided so as to extend outward in an axial direction from an open-side end surface of a peripheral wall portion. The locking claw includes an axial portion and a claw portion provided so as to project radially from an end portion of the axial portion. The locking claw is configured to be locked to a casing. The protective cover also includes a locking-claw restricting portion formed on an outer peripheral edge portion of a bottom portion.

AC generator with stackable protective cover

A vehicle-use alternating current generator regulator includes an IC regulator wherein an IC chip is sealed with resin and a lead terminal for external connection protrudes from a sealing resin, and a regulator holder having a lead opposing portion that encloses an IC regulator mounting portion in which the IC regulator is mounted. A configuration is such that the lead terminal has a lead protruding portion protruding from a contact with the regulator holder, and the IC regulator is positioned by the lead protruding portion being fitted into the lead opposing portion of the regulator holder.

Vehicle-use alternating current generator regulator

A configuration of a rectifying device configuring a vehicle-use rotating electric machine is such that when a lead drawn out from a stator winding is inserted into a through hole of a rear bracket forming a casing, a periphery of the lead is enclosed, and the through hole sealed, by a tubular member extended from a main body portion of a terminal block, and the through hole not blocked by the tubular member is sealed by a stopper portion extended in the same way from a main body portion of the terminal block. Even when the number of leads drawn out is reduced, standardization of the rear bracket is carried out by the through hole () of the rear bracket being sealed by the stopper portion.

Vehicle-use rotating electric machine

A slip ring device includes an insulating molded body in which a pair of slip rings and a pair of connecting conductors are provided. The insulating molded body includes a molded body main body portion disposed in a position further from a rotor main body than a bearing provided on a shaft, the slip rings being provided in the molded body main body portion, an opposing portion disposed between the bearing and the rotor main body, and a pair of beam portions that connect the molded body main body portion to the opposing portion, the connecting conductors being provided respectively in the beam portions. A pair of shaft grooves respectively accommodating the pair of beam portions are provided in the shaft. A spreading suppression portion for preventing resin with which a field coil is impregnated from spreading into the shaft grooves is provided in the opposing portion.

Rotor for rotary electric machine

To provide an AC generator equipped with a voltage regulation device capable of cost reduction in terms of both of manufacture and device, a voltage regulation device for the AC generator, and a method for manufacturing the same. In an AC generator equipped with a voltage regulation devicefor regulating the magnitude of output voltage, the voltage regulation deviceis composed of: a molded bodyhaving a plurality of insert conductors; and a circuit componentmounted on the molded bodyand electrically connected to the insert conductors, and in the voltage regulation device, an extended-portion-for-jumperis integrally provided in a part of the insert conductor

Alternating-current generator, voltage regulation device for alternating-current generator, and manufacturing methods therefor

In a rotor of the present invention, an interference is set to have a relationship so that an inner diameter of a press-fit projecting portion before press-fitting is smaller than a diameter of a shaft, and in the inner wall surface, a non-projecting portion is formed without projecting portions on a portion in which a weld line is generated by the molding.

Rotor for rotating electric machine

A rotating electrical machine for a vehicle includes a rectifier fixed to a fixing portion of a casing. The rectifier includes a heat sink to which a rectifier element is mounted, and a circuit board configured to electrically connect a stator lead routed out of a stator to the rectifier element. The heat sink includes an element mounting portion, and an axial fin protruding radially outward from the element mounting portion. A supporting portion configured to support the axial fin along an axial direction is formed on one of the casing and the axial fin. The supporting portion is arranged at a position away from the fixing portion so as to be adjacent to the stator lead guide when the rectifier is viewed along the axial direction.

Rotating electrical machine for a vehicle

An AC generator slip ring device including a shaft supported by a front and rear bracket, and a rotor on the inner circumferential side of a stator; a sleeve fixed to an end portion on the rear bracket side of the shaft; and a conductive ring retained on the outer circumferential side of the sleeve. The device also includes a partition ring on the outer circumferential side of the sleeve having one end portion fixed to the rear bracket and the other end portion has a first flange projected in the outer diameter direction; a second flange provided on the side opposite to the rear bracket of the sleeve, having an annular wall with a concave portion, the end surface of the annular wall opposing the first flange of the partition ring; and a flat portion formed on an outer circumferential portion of the annular wall of the second flange.

AC generator slip ring device

A cooling fan is provided at an axial end portion of a rotor. The cooling fan generates a cooling air when rotated integrally with the rotor. On a stator core arranged at a position on a radially outer side of the rotor, a plurality of stator coils are arrayed in a circumferential direction of the stator core. Each stator coil includes a coil end that protrudes from an axial end surface of the stator core. A front housing covering the cooling fan includes: an exhaust port for passing the cooling air therethrough, at least part of the exhaust port being located at a position on a radially outer side of the coil end; and a recess portion opposed to the coil end in an axial direction.

Electrical rotating machine having a cooling fan and exhaust ports

In a rotor of a rotary electric machine including a pair of gutter-shaped concave portions which are formed along a side surface positioned at the outside of an axis of field-magnet core components so as to install and protect a pair of lead wires, balance-correction concave portions formed by a molding die are provided at shoulders of claw-shaped magnetic poles being nearest to the gutter-shaped concave portions in claw-shaped magnetic poles arranged at positions which are evenly separated at least in a circumferential direction with respect to the pair of gutter-shaped concave portions.

Rotor of rotary electric machine and manufacturing method thereof

A lead wire connection structure includes a rectifier that is arranged at the outside or the inside in an axis direction of the brackets so as to rectify AC voltage, which is generated on the stator, to DC voltage; in which, when a number of conductors of a connecting portion, at which lead conductors of the stator winding and the rectifier are connected, is 'N' (N is integer and greater than or equal to 2) per one position, conductors, of which number is less than or equal to 'N&#x2212;1' per one position, are connected at the connecting portion, and conductors excepted from the conductors, of which number is less than or equal to &#x201c;N&#x2212;1&#x201d;, are welded onto the remaining conductors at a position being nearer the stator winding side than the connecting portion.

Lead wire connection structure of rotating electric machine

A control apparatus of an AC generator for a vehicle can obtain large regeneration energy without making the size of the generator large. In the control apparatus in which an AC output current is rectified and supplied to a vehicle mounted battery () and an electric load of the vehicle, provision is made for a regulator () that controls a continuity rate of electric power supply to a field coil () of a generator () by controlling an output voltage of the generator (). The regulator () suppresses the continuity rate of electric power supply to the field coil () at the time of steady operation of the vehicle, and switches a suppression value of the continuity rate of electric power supply so as to increase the continuity rate of electric power supply at the time of deceleration operation of the vehicle.

Control apparatus of an AC generator for a vehicle

In order to prevent poor operability caused by entanglement of the fins in the heat sink during assembly without a drop in the cooling efficiency of the cooling flow along a rotation shaft, a plurality of finsof the heat sink in a vehicle AC generatoris constituted by fin groupsin which fins are aligned in parallel in one direction, and an entanglement preventing portionis disposed only on the respective outer side surfaces of a pair of outermost fins.

Rotary electric machine with a heat sink that has a plurality of fins arranged in groups

Growing community of inventors

Tokyo, Japan

Kazunori Tanaka