Hitachi, Ltd.

Hitachi Car Engineering Co., Ltd.

Hitachi Automotive Engineering Co., Ltd.

Nissan Motor Company Limited

Hitachi Automotive Eng. Co., Ltd.

Other

Keiichi Mashino

Toshiyuki Innami

Shinji Shirakawa

Akira Mishima

Yuuji Maeda

Hiromichi Anan

Hisaya Shimizu

Yuji Maeda

Yoshitaka Ochiai

Tatsuyuki Yamamoto

Katsuji Marumoto

Yoshinori Fukasaku

Susumu Tajima

Masanori Tsuchiya

Yuzo Kadomukai

Kazuo Tahara

Yozo Nakamura

Shinichi Fujino

Atsushi Kanke

Masao Fukushima

Kenichi Nakamura

Hideshi Fukumoto

Akihiro Saito

Naoyuki Takahashi

Shigeru Kuriyama

Kei Murakami

Atsuhiro Yoshizaki

Keisuke Nishidate

Takashi Kobayashi

Masahiro Iwamura

Mutsuhiro Mori

Ryoso Masaki

Takeshi Atago

Tatsumi Yamauchi

Suetaro Shibukawa

Noriaki Hino

Hiroshi Kanazawa

Shigeyuki Yoshihara

Houng Joong Kim

Masakatsu Fujishita

Masamitsu Inaba

Sakae Hikita

Shouju Masumoto

Kunio Kobayashi

Hideki Miyazaki

Yutaka Kobayashi

Osamu Suzuki

Kunio Miyashita

Tsunehiro Endo

Kenji Takahashi

Noriaki Yamamoto

Masahiko Amano

Hideaki Mori

Yuji Nakajima

Yoshiaki Honda

Akiteru Ueda

Tohru Futami

Hironori Kodama

Yoshimi Sakurai

Yuichi Mori

Keigo Naoi

Kou Ajima

Kazutoyo Narita

Keiji Kunii

Yoshimasa Takahashi

Syouju Masumoto

Shuuichi Kokubun

Nobuo Takamoto

Shigeki Tezuka

Morio Satou

Osamu Miki

Souju Masumoto

Shigekazu Takei

Keisuke Mishidate

Daisuke Sato

Masayoshi Tashiro

One method of achieving the above subjects is by connecting a block member, which is connected to the side opposite to that of a semiconductor chiphaving insulating substratesandconnected to the top and bottom of the semiconductor chip, to a block memberacross an laminated structure constituted by the semiconductor chipand the insulating substratesand

Semiconductor module and power conversion device

An AC generator comprises a rotor and a stator having a three-phase winding. A three-phase inverter is connected to the three-phase winding. Here, the three-phase winding comprises at least two independent three-phase windings. Switching elements for respective phases of the three-phase inverter are connected in parallel by the number of the independent three-phase windings, and in-phase windings are individually connected to their parallel switching elements.

Driving/electric-power generating system for vehicle

A generator having a field coil L, and an SWcontrol circuitfor controlling field current flowing through the field coil L. When a generating operation of the generator is to be ended, a switchSWis turned off to interrupt the field current flowing through the field coil L, and a switchSWis turned off to allow the field current remaining the field coil L to the current path including a resistance elementwith a resistance element capable of quickly attenuating the field current.

Generating apparatus and motor control apparatus

To provide a vehicle driving apparatus capable of providing a sufficient driving force. A driving high-power generator is driven by an engine. A DC motor is driven directly by energy from the generator. A driving generator output voltage control circuit controls output voltage of the generator in accordance with the demanded driving force from the vehicle to control the motor.

Electric generating system for automobiles and its control method

An inverter device is mounted on the rotating electric machine body The inverter device includes a module unit having a converter circuit and a control unit that controls the operation of the converter circuit. The converter circuit is configured by connecting a plurality of the following series circuits in parallel, each of the series circuits includes a P-channel MOS semiconductor device disposed at a higher potential side and an N-channel MOS semiconductor device disposed at a lower potential side which are electrically connected in series. An electric power that is supplied from a battery or an electric power that is supplied to the battery is controlled.

Vehicle rotating electric machine

A multi-phase alternating-current rotational electric machine wherein semiconductor switching devices are electrically insulated from heat sinks, and the heat sinks are grounded to the housing and thermally separated in each phase.

Multi-phase alternating-current rotational electric machine

An electric generating system for automobiles has a primary generator which is driven by an internal combustion engine of an automobile and supplies power to an electric load of the automobile and an electric motor for driving wheels of the automobile which are not driven by the internal combustion engine. A secondary generator is driven by the internal combustion engine and drives the motor. A control unit controls the secondary generator and the electric motor. The control circuit controls the output of the generator according to a driving force requested by the automobile, and the driving force of the electric motor is controlled by the output of the secondary generator.

The present invention provides a vehicle driving apparatus capable of being mounted easily even in a narrow space such as under-floor of the vehicle. The vehicle driving apparatus comprises a first and a second generators driven by an engine for driving front wheels, and a motor driven by receiving a power supply from the second generator to drive rear wheels, the first and second generators being installed in the vicinity of an engine within an engine room, the motor being arranged in the vicinity of a differential gear with which a reduction mechanism is integrated and is positioned substantially in a central part of the rear wheels.

The present invention provides a semiconductor device which reduces an inductance of wiring for bridge-connecting semiconductor switches and realizes a reduction in size. Within the semiconductor device formed are two controllable bridge-connected semiconductor switchesand, an output terminal, positive/negative polarity DC terminalsand, and an insulating substratein which conductor layersandhaving a conductor section and in an inner layer for bridge-connecting the semiconductor switches to the DC terminals on a surface thereof and insulating layersandare alternately laminated. The surface and inner-layer conductor layersandwhich interpose the insulating layertherebetween are electrically connected by a conductorpassing through the insulating layerinterposed between the conductor layersand. A current path (dotted line) is so provided as to allow current flowing through a bridge circuit for mounting the two semiconductor switches on the insulating substrate to flow in opposite directions between the conductor layersandwhich interpose the insulating layertherebetween.

Semiconductor device having bridge-connected wiring structure

The present invention is characterized by a hybrid car comprising a motor generator mechanically connected with the crank shaft of an internal combustion engine for driving a car wherein the internal combustion engine is started by electric power supplied by a battery and power is generated by rotation from the internal combustion engine to charge the battery, an inverter for controlling the drive and power generation of the motor generator, and a control circuit for controlling the inverter, this hybrid car further characterized in that the motor generator is driven by battery power to start the internal combustion engine, and after the internal combustion engine has started, the battery is charged by the generator mode operation of the motor generator using the power of the internal combustion engine, wherein a step-down chopper circuit is provided between the battery and the inverter, and step-down control is provided to ensure that the power generation voltage will reach the level of the battery charging voltage through the step-down chopper circuit.

Dynamotor of hybrid vehicle, and method of control thereof

One method of achieving the above subjects is by connecting one of electroconductive members, which are pre-connected to the top and bottom of a semiconductor chipand have thermal conductivity, to an electroconductive member, which is used with the semiconductor chipto constitute a laminated structure, in electrically insulated form on the same surface as the installation surface of the electroconductive memberso as to straddle the laminated structure constituted by the semiconductor chipand the electroconductive member

A positive side conductor and a negative side conductor of an input terminal electrically connected to semiconductor elements, are electrically insulated from each other, and are laminated with each other, and the input terminal having such a laminated structure, an output terminal and substrates mounted thereon the semiconductor elements are arranged in a checkered pattern in a container. Further, the semiconductor elements mounted on the substrates, the input terminal and the output terminal are electrically connected to one another so as to obtain a loop-like electric path on a conductive member, thereby it is possible to aim at miniaturizing the power conversion apparatus and lowering the inductance thereof.

Power conversion apparatus and mobile object incorporating thereof

One slot arranged between two slots containing a first armature winding contains a second armature winding for a phase different from a phase of the first armature winding; one slot arranged between the two slots containing the first armature winding contains a third armature winding for a phase equal to the phase of the second armature winding; and, one of the second armature winding and the third armature winding is arranged in a coil end portion in an outer peripheral side of the first armature winding, and the other is arranged in an inner peripheral side of the armature winding. With this, the projected height of the coil end portion of the stator can be reduced.

Rotary electric machine, linear motor and stator thereof

Growing community of inventors

Hitachinaka, Japan

Keiichi Mashino