10900 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
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
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
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
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
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
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
Locator, accuracy evaluation system therefor, and positioning method
16 Jan 24
In a locator, a data synchronization unit calculates an interpolated value for autonomous sensor data which corresponds to a time of latest GNSS data.
Masashi Kido, Tadatomi Ishigami, Masatoshi Fujii, Kohei Fujimoto, Ryusuke Kinoshita
Filed: 13 May 19
Utility
Headlight for vehicle
16 Jan 24
A headlight includes multiple semiconductor light sources arranged in a line, and an optical system including an integral-type optical member to form a predetermined light distribution by using light outputted by the multiple semiconductor light sources, wherein the integral-type optical member has an incidence surface portion, a cutoff line formation portion, a reflection surface portion and an exit surface portion, the incidence surface portion, the cutoff line formation portion, the reflection surface portion and the exit surface portion are arranged in order in such a way as to be along an optical path in the optical system, the exit surface portion has a uniform vertical curvature, and a horizontal illumination area is controlled by the reflection surface portion and a vertical illumination area is controlled by the exit surface portion.
Junichi Imagi
Filed: 29 Nov 19
Utility
Using an imaging device to correct positioning errors
16 Jan 24
A control device controls a control target apparatus including a moving part and an imaging device.
Akio Saito, Hiroyuki Sekiguchi, Takeyuki Kawata
Filed: 9 Jan 19
Utility
Axial-flow fan, and outdoor unit for air-conditioning apparatus
16 Jan 24
An axial-flow fan includes a hub that is to be rotated and defines a rotation axis, and a vane provided on a circumference of the hub.
Katsuyuki Yamamoto, Takahide Tadokoro
Filed: 2 Sep 20
Utility
Outdoor unit of air-conditioning apparatus
16 Jan 24
An outdoor unit of an air-conditioning apparatus includes: a housing; a heat exchanger provided in the housing; an electric component box provided in the housing; and a separator that partitions the inside of the housing into a first chamber and a second chamber.
Masaya Yamasuso, Yohei Kawaguchi
Filed: 8 Apr 19
Utility
Vehicle positioning device
16 Jan 24
The present invention is related to a vehicle positioning device being connected to a first sensor outputting satellite positioning data, and a second sensor detecting a state amount of a vehicle and outputting the state amount as state amount data, and being connected to at least one of a third sensor detecting a terrestrial object and outputting data of a relative relationship between the terrestrial object and the vehicle, and a fourth sensor detecting a road line shape and outputting road line shape data.
Shota Kameoka, Rin Shinomoto
Filed: 4 Apr 19
Utility
Diffuser and lighting device
16 Jan 24
Yusuke Fujii, Satoru Okagaki
Filed: 4 Feb 20
Utility
Motor drive apparatus, blower, compressor, and air conditioner
16 Jan 24
A motor drive apparatus includes a reactor, a converter connected to an alternating current power supply via the reactor, a smoothing capacitor connected between output terminals of the converter, and an inverter that converts a direct current voltage output from the smoothing capacitor into an alternating current voltage to be applied to a motor and outputs the alternating current voltage.
Kazunori Hatakeyama, Keisuke Uemura
Filed: 30 Aug 19
Utility
Refrigeration cycle apparatus
16 Jan 24
A refrigeration cycle apparatus includes a refrigeration cycle circuit, a bypass flow path, a first valve provided in the refrigeration cycle circuit, a second valve provided at the bypass flow path, a first temperature sensor configured to detect a temperature of an indoor space, a second temperature sensor configured to detect a temperature of refrigerant on a liquid side of an indoor heat exchanger, and a notification part.
Yasutaka Ochiai, Kazuhiro Komatsu, Nobuaki Tasaki
Filed: 1 Aug 19
Utility
Radar device and signal processing method
16 Jan 24
A radar device includes: a signal transmission unit for generating a MIMO signal including a plurality of pulse signals, and radiating the MIMO signal into space; a signal reception unit for receiving a reflection signal resulting from reflection, by a target, of the MIMO signal radiated from the signal transmission unit; a demodulation unit for demodulating the MIMO signal from the reflection signal received by the signal reception unit; a beam-forming unit for forming beams in a plurality of different directions, by multiplying the plurality of pulse signals included in the MIMO signal demodulated by the demodulation unit by a respective plurality of different weighting coefficients; a control unit for changing noise power included in each of the beams in the plurality of directions formed by the beam-forming unit, by shifting a phase of the MIMO signal generated by the signal transmission unit and adjusting the plurality of weighting coefficients on the basis of an amount of phase shift of the phase; and a target detection unit for detecting the target from each of the beams in the plurality of directions formed by the beam-forming unit.
Kentaro Isoda
Filed: 4 Mar 21
Utility
Elevator door control system
16 Jan 24
An elevator door control system comprises a door sensor, a door motor control unit, a transmission unit being wired by a cable as part of or all of a transmission path between the door sensor and the door motor control unit, a storage unit to store a change in a binary signal indicating detection of an obstacle in association with a door position at a time of the change in the binary signal.
Kazuhiro Yamada
Filed: 30 Mar 20
Utility
Semiconductor device including bond pad with fixing parts fixed onto insulating film
16 Jan 24
Provided here are: an electrically-conductive semiconductor substrate with which a semiconductor circuit is formed; an insulating film deposited on a major surface of the electrically-conductive semi-conductor substrate; and a bonding pad having fixing parts fixed onto the insulating film, side wall parts rising up from the fixing parts, and an electrode part connected to the side wall parts and disposed in parallel to the major surface; wherein the electrode part forms, together with the insulating film, a gap region therebetween, and portions of the electrode part where it is connected to the side wall parts are configured to have at least one of: a positional relationship in which they sandwich therebetween a central portion of the electrode part in its bonding region to be bonded to a bonding wire; and a positional relationship in which they surround the central portion.
Yasuki Aihara
Filed: 6 Mar 19