6034 patents
Utility
Data Validation Device, Data Validation Method, and Non-transitory Computer-readable Medium
18 Jan 24
A data validation device (100) includes a validity determination unit (120).
Daiki NAKASHIMA
Filed: 25 Sep 23
Utility
Permanent Magnet Synchronous Motor
18 Jan 24
A permanent magnet includes a recessed portion to fit therein with a protrusion provide in a rotor core; and, when the shortest distance between outmost part of the recessed portion and an outer periphery's circular arc portion of the magnet is defined as L1, and when the distance between the recessed portion and the outer periphery's circular arc portion is defined as L2 where the distance L2 passes through an intersection point at which a tangential line of outmost part on the recessed portion intersects with a parallel line, which defines as its start point a point from which a changeover to the recessed portion occurs from an adhesion surface between the magnet and the rotor core, and which is in parallel with a radial line extending from the rotor's shaft center toward the center of the magnet, the magnet includes the recessed portion that satisfies L2≥L1.
Kenta MOTOYOSHI, Yuki NISHIMURA, Yu HIROTANI
Filed: 25 Nov 20
Utility
Gas Drying System and Gas Drier
18 Jan 24
A gas drying system (100) includes an inflow pipe (111), a drying tower (120), and an outflow pipe (112).
Katsuya JINNO, Masahiro MIYASHITA, Aritoshi NISHIKAWA, Tsunemi OSADA, Ryoichi NASADA, Hideaki IKEJIMA
Filed: 24 Dec 20
Utility
Power Conversion Device
18 Jan 24
A power conversion device includes a power converter including a plurality of arms each having a plurality of converter cells cascaded to each other.
Takuya KAJIYAMA, Toshiyuki FUJII, Shuhei FUJIWARA, Kazuyori TAHATA
Filed: 9 Dec 20
Utility
Power Conversion Apparatus and Air Conditioner
18 Jan 24
Included are a rectifier circuit that rectifies a first alternating-current voltage; a reactor connected to the rectifier circuit; a capacitor connected to an output end of the rectifier circuit; an inverter that is connected to the capacitor, generates a second alternating-current voltage through operations of a plurality of switching elements, and applies the second alternating-current voltage to a motor including a stator and a rotor; and a control unit that performs operation controls on the plurality of switching elements.
Atsushi TSUCHIYA, Kazunori HATAKEYAMA, Yuichi SHIMIZU
Filed: 16 Feb 21
Utility
Air Conditioning Control System and Non-transitory Storage Medium to Store Air Conditioning Control System Program
18 Jan 24
An air conditioning control system includes: an engine acquisition unit that acquires or generates one or more engines including at least one of a control logic for controlling an air conditioning device or a setting parameter for controlling the air conditioning device; and a device control unit that controls the air conditioning device, using the acquired or generated engine.
Keita MORI, Yuji GOTO, Ami FUKUDA, Kei WAKABAYASHI, Motoyuki OZAKI
Filed: 8 Feb 21
Utility
Chiller System and Air-conditioning Apparatus Including Chiller System
18 Jan 24
A chiller system includes: a chiller; a load; a feed pipe through which water flows from the chiller to the load; a return pipe through which water flows to the chiller from the load; a first controller configured to control the chiller; and a second controller configured to output a chiller operating command to the first controller, the chiller including a first sensor configured to measure an inlet water temperature of the water flowing through the return pipe to the chiller, a second sensor configured to measure an outlet water temperature of the water flowing through the feed pipe from the chiller, and a third sensor configured to measure an outside air temperature at a chiller installation location, and the first controller calculates a temperature range operational for the chiller based on an inlet water temperature, an outlet water temperature, and an outside air temperature, and then outputs information on the calculated temperature range to the second controller.
Shohei TAKENAKA, Kimitaka KADOWAKI, Yuki MOCHIZUKI, Akinori KURACHI
Filed: 22 Jan 21
Utility
Refrigeration Cycle Apparatus
18 Jan 24
In a refrigeration cycle apparatus, at start-up of heating, a controller sets a first four-way valve to an ON state and sets a second four-way valve to an OFF state so as to form a flow path in which refrigerant flows through a compressor, a load-side heat exchanger, a first expansion valve, a heat-source-side heat exchanger, and an accumulator and returns to the compressor, and during a heating operation, the controller sets the first four-way valve to the ON state and sets the second four-way valve to the ON state so as to form a flow path in which the refrigerant flows through the compressor, the load-side heat exchanger, the first expansion valve, the receiver, and the heat-source-side heat exchanger and returns to the compressor.
Shunya GYOTOKU, Kimitaka KADOWAKI, Nobuhide SAKAMOTO
Filed: 5 Jan 21
Utility
Die Cushion Control Device, Die Cushion Control Method, and Storage Medium
11 Jan 24
A die cushion control device for controlling a die cushion mechanism includes: a pressure command generation unit that outputs a first pressure command on pressure or force to be generated between the die cushion mechanism and a slide; a deviation prediction unit that predicts a pressure deviation that is the difference between the pressure or the force in the first pressure command and a detected pressure caused when the die cushion mechanism is controlled according to the first pressure command, and outputs the predicted pressure deviation as a correction pressure command; a pressure command correction unit that corrects the first pressure command with the correction pressure command to calculate a second pressure command; and a pressure control unit that calculates a speed command to cause the detected pressure to follow the second pressure command, and outputs the speed command to a speed control unit.
Koichiro UEDA, Koji MAHARA
Filed: 4 Jun 21
Utility
Brake Control System and Brake Control Method
11 Jan 24
A brake control system includes a target braking force calculator to calculate a target braking force for causing a vehicle to decelerate in accordance with a braking instruction containing a normal braking instruction or emergency braking instruction, and a target pressure calculator to calculate a target pressure, indicating a target value of pressure of fluid to be fed to a mechanical brake device for activating the mechanical brake device, based on the target braking force.
Etsuji MATSUYAMA
Filed: 20 Nov 20
Utility
Charge Sensor
11 Jan 24
A charge sensor according to the present disclosed technology includes a quantum dot to have a first end connected to an input terminal via a first tunnel junction and a second end connected to an output terminal via a second tunnel junction, and an inductor connected in parallel to the quantum dot.
Jun KAMIOKA, Koji YAMANAKA
Filed: 25 Sep 23
Utility
Centrifugal Blower, Air-blowing Apparatus, Air-conditioning Apparatus, and Refrigeration Cycle Apparatus
11 Jan 24
A centrifugal air blower includes a fan; and a scroll casing.
Takuya TERAMOTO, Ryo HORIE, Takahiro YAMATANI, Kazuya MICHIKAMI, Hiroshi TSUTSUMI, Keijiro YAMAGUCHI
Filed: 22 Aug 23
Utility
Radio Wave Sensor and Occupant Detection Device
11 Jan 24
A radio wave sensor includes: a transmission antenna that emits a radio wave toward a presence allowable area which is an area in which an occupant can be present in an area in a vehicle interior of a vehicle; and a reception antenna including a plurality of reception antenna elements that receives a reflection wave of the radio wave emitted from the transmission antenna.
Yasunori HOSHIHARA, Takumi TAKEI
Filed: 29 Jan 21
Utility
Electrostatic Precipitator, Indoor Unit, and Air Conditioner
11 Jan 24
An electrostatic precipitator includes: a casing attached to a housing a fixing member a supporter a device body supported by the supporter and is detachably attached to the supporter; and a hook member supporting the device body.
Yo MATSUDA, Shuhei TOMITA, Shoya KUSUMOTO, Takeshi KAWAMURA
Filed: 2 Apr 21
Utility
Radar Device
11 Jan 24
While transmitting any one transmission signal of a plurality of transmission signals, a transmitting-receiving unit in a radar device acquires, as a reception signal for target detection, a reception signal of a frequency band different from a frequency band of the transmission signal, and blocks a reception signal of the same frequency band as the frequency band of the transmission signal.
Kazuhisa OKAMOTO, Yasuhide NONAKA, Fuyuki FUKUSHIMA, Kentaro ISODA, Kei SUWA
Filed: 2 Aug 23
Utility
Air-conditioning Control System, Control Device, Air-conditioning Control Method, and Recording Medium
11 Jan 24
An air-conditioning control system includes an air conditioner to air-condition a room, a server to store, on a user basis, user information including at least identification information of a user terminal and air-conditioning control information relating to air-conditioning control of the room, a user detection terminal installed outside the room and configured to detect passage of the user by communication with the user terminal, a control device to control, when the passage of the user is detected by the user detection terminal, the air conditioner to pre-cool or pre-heat the room based on the air-conditioning control information corresponding to the user.
Tatsuya MARUYAMA, Takeru KUROIWA
Filed: 1 Feb 21
Utility
Motion Sickness Regulation Device, Motion Sickness Regulation Method, and Storage Medium Storing Motion Sickness Regulation Program
11 Jan 24
A motion sickness regulation device includes processing circuitry to generate stimulus information to be used for displaying a motion sickness regulation image for regulating a level of motion sickness occurring to a user viewing a gaze region, as a region in which real scenery is visible or a region in which a gaze image as an image including a gaze target is displayed, based on movement of the scenery or the gaze image in the gaze region; and to generate the motion sickness regulation image based on the stimulus information, to specify a motion sickness regulation region as a region as part or a whole of a region excluding the gaze region, and to have the motion sickness regulation image displayed in the motion sickness regulation region.
Kotoyu SASAYAMA, Atsushi HORI
Filed: 22 Sep 23
Utility
Refrigeration Cycle Apparatus
11 Jan 24
A refrigeration cycle apparatus includes: a compressor in a first refrigerant path between a first heat exchanger and a second heat exchanger; a first flow rate adjustment device in a second refrigerant path between the first heat exchanger and the second heat exchanger; a refrigerant storage device provided in a third refrigerant path between the first heat exchanger and the second heat exchanger, connected in parallel with a part of the second refrigerant path, and configured to store refrigerant flowing from the second refrigerant path; a second flow rate adjustment device provided in the third refrigerant path, and configured to adjust a flow rate of refrigerant between the refrigerant storage device and the second refrigerant path; and a controller configured to control the second flow rate adjustment device to block flow of refrigerant from the second refrigerant path into the refrigerant storage device when cooling operation is started.
Masahiro ITO
Filed: 5 Jan 21
Utility
Gesture Recognition Apparatus and Method for Recognizing Gesture
11 Jan 24
Provided is a gesture recognition apparatus that accurately identifies a hand that is an identification object.
Daiki HIGUCHI, Daisuke OHASHI
Filed: 8 Jan 21
Utility
Failure Indication Notification System
11 Jan 24
A failure indication notification system includes an information collection device and an indication notification device.
Takuma ORIMOTO, Kensuke UEDA, Yuki KOBAYASHI
Filed: 27 Jan 21