Mitsubishi Electric Corporation

Osaka University

Murata Manufacturing Co., Ltd.

Renesas Electronics Corporation

Japan Display Inc.

Subaru Corporation

Tokyo Gas Company Limited

Japan Display Central Inc.

Sony Corporation

Takuya Ito

Yasushi Okoshi

Yoshio Yamano

Kimitaka Kadowaki

Takahito Hikone

Takahiro Akizuki

Naoya Mukaitani

Masahiro Ito

Kazuyuki Ishida

Yuji Tarumi

Kosuke Tanaka

Haruyuki Kometani

Ryoji Miyatake

Katsuhiro Hirata

Noboru Niguchi

Hironori Suzuki

Kazuaki Takahara

Shohei Takenaka

Junichi Miyai

Kenji Tanaka

Atsushi Yamamoto

Yuji Motomura

Naofumi Takenaka

Hiroshi Yamaguchi

Koji Shimizu

Fumitake Unezaki

Masaki Murata

Toru Udaka

Osamu Enoki

So Nomoto

Shogo Tamaki

Kazuhiro Komatsu

Rui Morimoto

Yosuke Uchida

Takuro Yamada

Hiroto Sasaki

Sae Miyaji

Tomoaki Hirai

Tomoya Kimura

Tomoumi Yagasaki

Yosuke Tomoshige

Takenori Matsumoto

Miki Sudou

Tomoyoshi Obayashi

Shoichi Hirano

Tsukine Matsugami

Keisuke Nishimoto

Toru Hatae

Nobuhiro Wada

Akinori Kurachi

Kazuki Hayashida

Kazuki Murakawa

Yota Maema

Takuto Kushi

Yuki Nagata

Toru Kuriyama

Katsunori Horiuchi

Masayoshi Aonuma

Yasuhiro Sayo

Yasushi Ookoshi

Provided is a magnetic strain wave gear device that makes it possible to achieve both improvement of the efficiency of assembly work and suppression of decrease in energy conversion efficiency. A magnetic strain wave gear device includes: a stator having a stator core, a stator winding, and a stator magnet; a first rotor; and a second rotor. The second rotor includes a second rotor core provided with a plurality of rotor magnet insertion holes and a plurality of rotor magnets inserted into the plurality of respective rotor magnet insertion holes. The first rotor includes a cylindrical first rotor core and a first rotor end plate. The first rotor end plate has a rotor magnet passage hole through which the rotor magnets can be inserted into the rotor insertion holes from outside in a direction of a rotation shaft.

Magnetic strain wave gear device

A permanent magnet-type rotary electric machine includes a stator, a first rotor, and a second rotor. The stator includes a stator core, a plurality of stator teeth, a plurality of stator slots, a plurality of stator magnets, and a stator coil. The first rotor is disposed inside the stator core relative to the plurality of stator magnets. The second rotor is disposed inside the stator core relative to a plurality of first pole pieces. The second rotor includes a plurality of second pole pieces. A proportion of the number of the plurality of stator slots to the number of poles of the plurality of second pole pieces of the second rotor is greater than 1.25 and less than 1.5, or greater than 1.5 and less than 3.0.

Permanent magnet-type rotary electric machine

An air-conditioning system comprising: a heat source side unit; a use side unit; a relay unit; a refrigerant circuit; a water circuit; a controller configured to operate in a trial operation mode, and configured to operate in a normal operation mode; a first setting unit; a second setting unit; and a third setting unit, wherein the controller is configured to invalidate an error that occurs in the water circuit when the trial operation mode is set, a target for the trial operation in the trial operation mode is set to the refrigerant circuit, and invalidation of an error is set to be active, and invalidate an error that occurs in the refrigerant circuit when the trial operation mode is set, a target for the trial operation in the trial operation mode is set to the water circuit, and invalidation of an error is set to be active.

Air-conditioning system

Outdoor unit for water heater

A vehicle-approach notification device includes a sound emitter and at least two ducts. The sound emitter is provided in the vehicle, has an aperture, and is configured to emit a notification sound from the aperture to outside the vehicle. The at least two ducts are provided in the vehicle, have different lengths, and each have an end communicating with the aperture.

Vehicle-approach notification device

A chilling unit includes a machine room unit to accommodate a compressor and a heat exchanger, and a plurality of air heat exchangers placed on top of the machine room unit. The air heat exchangers include a pair of air heat exchangers including two air heat exchangers opposite to each other in a lateral direction. They are inclined such that respective upper end portions of the two air heat exchangers have a spacing between each other greater than a spacing between respective lower end portions of the two air heat exchangers. In the lateral direction, the machine room unit has a top width greater than a heat-exchanger bottom width, the top width is one between side walls in a top face portion of the machine room unit, the bottom width is defined as a width between outer side faces of the respective lower end portions of the two air heat exchangers.

Chilling unit and chilling unit system

Chiller unit

A heat pump system includes a refrigerant circuit in which a compressor, a refrigerant flow path included in a heat medium heat exchanger, an expansion valve, and a heat source side heat exchanger are connected, the heat medium heat exchanger including the refrigerant flow path and a heat medium flow path; a heat medium feed path connected to the heat medium flow path included in the heat medium heat exchanger; an indoor unit connected to the heat medium feed path and configured to condition air inside a room; a room temperature sensor configured to detect an indoor temperature in the room; a heat medium temperature sensor configured to detect a temperature of a heat medium that flows into the indoor unit; and a controller configured to control the refrigerant circuit or the indoor unit by using a set temperature in the room.

Heat pump system

A free cooling outdoor unit includes: a refrigerant circuit through which refrigerant circulates; a brine circuit through which brine circulates; a water circuit through which water circulates; a fan configured to send air to the second heat exchanger; a flow control valve configured to control a circulation amount of the brine in the brine circuit; a water temperature detection sensor configured to detect a water temperature in the water circuit; an outside air temperature sensor; and a controller configured to control, where the outside air temperature is equal to or lower than a freezing temperature of the brine, the circulation amount of the brine based on the water temperature such that a brine temperature is prevented from reaching a temperature equal to or lower than the freezing temperature of the brine.

Free cooling outdoor unit

A cold water supply system cools water flowing through a water pipe, and supplies the water cooled to a cooling load, the cold water supply system including: an independent refrigerant circuit unit including a first compressor and a first water heat exchanger configured to exchange heat between refrigerant and the water to cool the water; a composite unit configured to cool the water, and a controller configured to control operation of the independent refrigerant circuit unit and operation of the composite unit, wherein the composite unit includes a free cooling unit including a pump and a second water heat exchanger configured to exchange heat between a heat medium and the water to cool the water, and a coupled refrigerant circuit unit including a second compressor and a third water heat exchanger configured to exchange heat between refrigerant and the water to cool the water, and the controller controls an operating frequency of the first compressor, an operating frequency of the second compressor, and an operating frequency of the pump based on a temperature of the water flowing out from the water pipe.

Cold water supply system

A heat source device includes a heat medium channel through which a heat medium flows, a plurality of refrigerant circuits through which refrigerant circulates, and a plurality of heat-medium heat exchangers configured to cause heat exchange to be performed between the heat medium in the heat medium channel and the refrigerant in the refrigerant circuits. The plurality of heat-medium heat exchangers include a first heat-medium heat exchanger to which at least one of the refrigerant circuits is connected and a second heat-medium heat exchanger to which a greater number of the refrigerant circuits are connected than to the first heat-medium heat exchanger.

Heat source device and refrigeration cycle device

A free cooling system includes a plurality of free cooling outdoor units each including a heat medium circuit, a controller, and a communication unit, the heat medium circuit being configured by connecting a heat medium pump, a first heat exchanger, and a heat source side of a second heat exchanger by pipes, a heat medium circulating in the heat medium circuit, the controller configured to control the heat medium pump, and the communication units performing communication with each other, wherein the plurality of free cooling outdoor units are coupled with each other by a load pipe that allows a load heat medium to flow to or flow out from a load side of each second heat exchanger.

Free cooling system

Amplification device and processes capable of miniaturization in a device for performing linear amplification and switching amplification operations on incoming signals are provided. The amplifying device includes a first amplifying unit for amplifying an input signal and outputting a first output signal, the input switch unit connected in parallel with the first amplifying unit for performing a switching operation by an input signal and outputting a switch output signal, and a second amplifying unit for amplifying a first output signal or a switch output signal and outputting a second output signal, and the first amplifying unit or the input switch unit operates based on the type of the input signal.

Amplification apparatus and method

In a refrigeration cycle apparatus, each set of air heat exchangers among plural sets of air heat exchangers is one set of one or more of single heat exchangers, and the single heat exchangers each have an upper header pipe, a lower header pipe, a heat transfer tube, and a fin. During a cooling operation, a series refrigerant flow path is formed in which refrigerant flows in series through each set of the air heat exchangers; in the series refrigerant flow path, the refrigerant flows downward from above through the heat transfer tubes that all single heat exchangers have. During a heating operation, a parallel refrigerant flow path is formed in which the refrigerant flows in parallel through each set of the air heat exchangers; in the parallel refrigerant flow path, the refrigerant flows upward from below through the heat transfer tubes that all single heat exchangers have.

Refrigeration cycle apparatus

Growing community of inventors

Tokyo, Japan

Takuya Ito