Mitsubishi Electric Corporation

Hitachi-High-Technologies Corporation

Hitachi High-Tech Corporation

Life Technologies Corporation

Hiroyuki Higashino

Motohiro Yamazaki

Shigetoshi Ipposhi

Ryusuke Kimura

Yugo Asai

Yoshiaki Kitta

Masaru Shinozaki

Yuki Hidaka

Hitoshi Miyata

Sandro David Klein

Joshua Mead

Tadashi Murakami

Masaki Horii

Masakazu Tani

Taiga Komatsu

Koichi Ojima

Kazuki Sakata

Takeshi Ooura

Shohei Fujikura

Jin Matsumura

Masaya Inoue

Shuhei Yamamoto

Hiroyuki Noda

Ryoji Inaba

Yasuhiro Suzuki

Satoshi Murakami

Toshiaki Kashihara

Ryota Kondo

Ai Masuda

Toshiyuki Yoshizawa

Hideaki Arita

Daisuke Sasaki

Yoshinobu Utsumi

Takaaki Takahara

Naohide Maeda

Yukio Nakashima

Hiroyasu Iwabuki

Haruyuki Matsuo

Katsunari Takagi

Kohshi Maeda

Manabu Yoshinori

Jun Tahara

Takuya Matsui

Mitsunori Ishizaki

Yuichiro Ota

Toshiya Chazono

Satoshi Mitsunaga

Takashi Hashiba

Hiroyuki Yano

Shungo Miyagi

Genetic analyzer

Provided is an electrophoresis device that, by electrophoresis, feeds a sample into capillaries and optically detects the sample, the electrophoresis device being provided with capillaries, a capillary head provided at the distal end of the capillaries, a phoretic medium-filled container used for electrophoresis and filled with a phoretic medium, a guide member that covers the side surface of the phoretic medium-filled container, a seal member that seals from below the phoretic medium filled in the phoretic medium-filled container, and a plunger that presses the seal member.

Electrophoresis method

A control device that can prevent the deterioration of temperature estimation accuracy in a rotating electric machine due to its aging deterioration is provided. The control device () includes a correction unit () to correct at least one of thermal resistance, heat generation, and thermal capacity, which are physical quantities to build a thermal circuit model (-) covering a thermal circuit of a rotating electric machine (), wherein the correction unit () corrects at least one of the thermal resistance, the heat generation, and the thermal capacity at a measurement position by using measurement information including temperature (T) or thermal flow (U) measured by a sensing unit () at the measurement position in the rotating electric machine ().

Control device and control system

This motor device includes: a motor having components including a stator and a rotor; and a controlling circuitry to control the motor. The motor is provided with temperature sensors to detect a heat transfer amount and a transfer direction about the components. The controlling circuitry includes a temperature calculator to calculate a component temperature based on a thermal circuit network from thermal resistances and heat capacities given for the components. On the basis of actual measured values of the heat transfer amount and the transfer direction obtained by the temperature sensors, the temperature calculator corrects thermal resistances and heat capacities about the components obtained on the basis of the thermal circuit network, and estimates the temperature of each component during driving of the motor.

Motor device

A rotating electrical machine such that a power supply unit can be efficiently cooled, with no increase in size in an axial direction of the rotating electrical machine, is provided. A rotating electrical machine main body and a power supply unit are integrally fixed, and a refrigerant passage is provided on the rotating electrical machine main body side of a metal frame configuring the power supply unit. The refrigerant passage and a control part that controls power supplied to the rotating electrical machine main body are disposed in the same plane in an axial direction of the rotating electrical machine main body, and the refrigerant passage is disposed farther to a radial direction outer side of the rotating electrical machine main body than the control part.

Rotating electrical machine including a refrigerant passage

In order to obtain an electric rotating machine which can improve rotating machine efficiency by suppressing a harmonic component of rotor magnetomotive force and reducing harmonic core loss, a permanent magnet is furnished in some of inter-magnetic pole portions, the inter-magnetic pole portion being formed between a first claw-shaped magnetic pole portion and a second claw-shaped magnetic pole portion; the shapes of a first chamfered portion and a second chamfered portion, which are provided in the inter-magnetic pole portion where the permanent magnet is inserted, differ from those of a first chamfered portion and a second chamfered portion, which are provided in an inter-magnetic pole portion where the permanent magnet is not inserted; and/or the shapes of a first magnetic flux adjusting portion and a second magnetic flux adjusting portion, which are provided in the inter-magnetic pole portion where the permanent magnet is inserted, differ from those of a first magnetic flux adjusting portion and a second magnetic flux adjusting portion, which are provided in the inter-magnetic pole portion where the permanent magnet is not inserted.

Electric rotating machine

A power conversion device includes: a main body including a substrate to which a power conversion unit and a coil are provided; and a first heat dissipation portion which holds the substrate and dissipates heat of the substrate, wherein the substrate is formed by one sheet, the coil is formed integrally with the substrate, the first heat dissipation portion is fixed to a substrate first surface of the substrate, a heat dissipation second surface of the first heat dissipation portion has a coil cooling portion opposed to and abutting on a part where the coil is formed, of the substrate.

Power converter

Electrophoresis device and electrophoresis method

In order to efficiently cool a stator and rotor of a rotating electrical machine, cooling oil is supplied by a pump in a pressurized state to a first reservoir portion provided in an upper portion inside a housing, and after the cooling oil is ejected from the first reservoir portion, the cooling oil is guided to a stator coil end cooling structure, and to a rotor bearing and rotor core cooling structure, using the weight of the cooling oil itself.

Rotating electric machine

A cooler configured to cool an electronic device includes: a refrigerant inlet portion configured to guide refrigerant from an outside of a casing to an inside of the casing; a refrigerant outlet portion configured to guide the refrigerant from the inside of the casing to the outside of the casing; and a metal member located inside the casing and configured to define a flow path region in which the refrigerant is caused to flow from the refrigerant inlet portion to the refrigerant outlet portion. The metal member includes: a plurality of opening portions configured to cause the refrigerant to pass therethrough; and a capture and reduction portion having such a shape as to capture air bubbles, which are generated through a connection surface between the casing and the electronic device. The air bubbles are reduced through cooling by the refrigerant when the electronic device is cooled.

Cooler, power conversion apparatus, and cooling system

Coolant flow channels include a main flow channel that is spaced apart from a magnet accommodating aperture on an inner circumferential side, and that passes axially through a rotor core; a magnet cooling flow channel that is formed on an inner circumferential side of a permanent magnet, an inner circumferential surface of the permanent magnet being a portion of the magnet cooling flow channel; and a relay flow channel that passes axially through the rotor core in a state in which the main flow channel and the magnet cooling flow channel are linked, a first end plate opens a first axial end of the main flow channel, and closes a first axial end of the magnet cooling flow channel and the relay flow channel, and a second end plate opens second axial ends of the main flow channel, the magnet cooling flow channel, and the relay flow channel.

Rotary electric machine

The present invention comprises: hinge members which rotatably link a device body and a door; wires which electrically connect the door side with the device body side; and a moving-side wiring retention member and fixed-side wiring retention member which retain the wires and are attached to the hinge members. The moving-side wiring retention member and the fixed-side wiring retention member are disposed spaced apart in an axial direction of the hinge members. The moving-side wiring retention member and the fixed-side wiring retention member rotate relative to each other on the same axis in accordance with a rotation operation of the door.

Wiring guide mechanism and electronic device

A rotary electric machine includes: an annular cooling oil channel that is configured inside an externally mounted frame so as to face axially toward coils that are arranged in an annular shape and such that a surface that faces the coils is made into an opening; an oil pump; a nozzle that sprays cooling oil that is conveyed under pressure from the oil pump into the cooling oil channel from above; and a plurality of oil flow direction changing projections that are respectively disposed inside the cooling oil channel and are arranged circumferentially so as to face gaps between the coils and such that cooling oil receiving surfaces face upstream in a direction of flow of the cooling oil so as to change the cooling oil that flows through the cooling oil channel to an axial flow so as to be supplied to the gaps between the coils.

Growing community of inventors

Tokyo, Japan

Hiroyuki Higashino