Abstract: An axial flow fan includes a hub driven to rotate and configured to serve as a rotation axis of the axial flow fan and a blade connected to the hub. The blade has a leading edge and a trailing edge. The trailing edge has an indentation indenting toward the leading edge. The indentation narrows from the trailing edge to the leading edge, and has an apex being a point closest to the leading edge from among the points constituting the indentation. The blade has, at the indentation, a maximum thickness portion at which a thickness of the blade is maximum, and which is positioned radially inside of the apex.

Abstract: A compressor includes a motor, a compression mechanism portion driven by the motor, and a rotation shaft connecting the motor and the compression mechanism portion. At least a part of the rotation shaft is composed of a material having a higher Young's modulus than that of cast iron, and having a higher thermal conductivity than that of cast iron.

Abstract: An air-conditioning apparatus includes: a housing having a first space and a second space that are adjacent to each other; a fan provided in the first space and to suck air into the housing; a heat exchanger provided in the first space and cause heat exchange with the air sucked by the fan to be performed; a refrigerant sensor provided in the second space and to detect refrigerant; and a partition plate provided to partition off the first space and the second space and having an air inlet port and an air outlet port.

Abstract: A refrigeration cycle device according to the present disclosure includes: a refrigerant circuit including a compressor, a heat-source-side heat exchanger, a first expansion device, and a load-side heat exchanger, refrigerant cycling through the compressor, the heat-source-side heat exchanger, the first expansion device, and the load-side heat exchanger; a plurality of controllers configured to control the refrigerant circuit; a bypass pipe branching from a high pressure pipe on a discharge side of the compressor and connected to a low pressure pipe on a suction side of the compressor; a second expansion device provided to the bypass pipe, and configured to adjust a flow rate of the refrigerant flowing through the bypass pipe; and a plurality of refrigerant coolers provided to the bypass pipe, and configured to cool the plurality of controllers by using the refrigerant the flow rate of which is adjusted by the second expansion device, each of the plurality of refrigerant coolers including a refrigerant coolin

Abstract: When, out of adjacent two in a stacking direction of heat transfer plates, one heat transfer plate provided in front of the other heat transfer plate is referred to as a first heat transfer plate and the other heat transfer plate provided in rear of the one heat transfer plate is referred to as a second heat transfer plate, a header portion of each of the first heat transfer plates and a corresponding header portion of each of the second heat transfer plates partly form a non-flow path region where the header portions are in contact with each other not to allow fluid to pass through the non-flow path region. A peripheral edge part in the non-flow path region of each of the first heat transfer plates includes a convex portion projecting upward, and a peripheral edge part in the non-flow path region of each of the second heat transfer plates includes a concave portion recessed downward.

Abstract: An air-conditioning apparatus performs air conditioning by causing heat exchange between refrigerant cycling through a refrigerant circuit and indoor and outdoor air. The air-conditioning apparatus includes a sensor and a control determination device. The sensor measures concentration of any of the refrigerant leaked into the air. The control determination unit determines leakage of the refrigerant in a case when the concentration of any refrigerant leaked into the air is greater than a first threshold. The control determination device further determines an abnormality in the sensor in any one of a case where a cumulative time period of determined leakages is greater than a predetermined time period, a case where a cumulative number of times of determined leakages is greater than a predetermined number, and a case where the value indicating the concentration of any refrigerant leaked into the air is greater than a higher second threshold.

Abstract: An outdoor unit includes a housing, a heat exchanger, an electric component box, a substrate, and a heat dissipator including multiple fins. The fins each have a first end situated in a windward side of an air passage formed between adjacent ones of the fins, and the first end faces the electric component box. When the heat dissipator and the electric component box are viewed from above, a first clearance gap having a first width and a second clearance gap having a second width greater than the first width are formed between the first end and the electric component box. The second clearance gap is situated closer to a back panel than the first clearance gap.

Abstract: An outdoor unit of an air-conditioning apparatus in which indoor units are connected, includes: a housing forming an outer casing of the outdoor unit; a terminal block located at a side of the housing; and a conduit plate to be attached to the terminal block. The conduit plate includes: a terminal block cover to be attached to the housing to cover the terminal block, and having an opening portion formed at a lower portion of the terminal block cover; an outer casing cover to be attached to the terminal block cover to cover the opening portion of the terminal block cover, and having an opening portion at a side of the outer casing cover; and a cable connection cover to be attached to the side of the outer casing cover, and having attachment holes for connection of a conduit cable to be connected to the terminal block.

Abstract: An object detection device includes: a peripheral information acquiring unit to acquire peripheral information including detection information for each of detection points detected by sensing a periphery of a current position; a vehicle information acquiring unit to acquire vehicle information including a current position and a state of a vehicle present at the current position; a map information acquiring unit to acquire map information including a peripheral area of a current position; a traveling status recognizing unit to output traveling status information indicating a traveling state of a vehicle present at a current position and a status around the vehicle by using the peripheral information, the vehicle information, and the map information; and a peripheral information updating unit to output, for each of the detection points, information indicating certainty relating to a detection point by using the traveling status information.

Abstract: To provide a map information output apparatus and a map information output method which can reduce a time lag of the positional shift correction of the map information acquired corresponding to the position coordinate of the ego vehicle, when traveling the curve road. A map information output apparatus acquires map information corresponding to a position coordinate of an ego vehicle from map data; acquires a map road shape corresponding to a road where the ego vehicle is traveling; detects a detection road shape where the ego vehicle is traveling based on detection information of a periphery monitoring apparatus; and corrects position information of the map information with respect to a position of the ego vehicle, based on map curvature information which is curvature information included in the map road shape, and detection curvature information which is curvature information included in the detection road shape.

Abstract: An object is to provide a technique that eliminates the need for an external circuit for enhancing the breakdown voltage. A switching element drive circuit includes a primary circuit and a secondary circuit, and an insulating element isolating the primary circuit and the secondary circuit from each other in terms of a direct current. The secondary circuit includes a semiconductor substrate, a detector provided on a portion of the semiconductor substrate, including a pn junction isolation portion, and configured to detect a voltage of a high voltage terminal, and a controller provided on a remaining portion of the semiconductor substrate and configured to control a control voltage of a semiconductor switching element based on a second signal and a detection result of the detector.

Abstract: A magnetic sensor element includes a pinned layer, a first non-magnetic layer, a first magnetic layer, and a free layer. The pinned layer has a fixed magnetization direction. The first non-magnetic layer is laminated on the pinned layer. The first magnetic layer holds the first non-magnetic layer with the pinned layer. The free layer is disposed along a lamination direction in which the first non-magnetic layer is laminated on the pinned layer. Each of the first magnetic layer and the free layer has a magnetization direction more easily changed by an external magnetic field than that of the pinned layer. The pinned layer and the first magnetic layer are coupled by indirect exchange interaction.

Abstract: An optical communication module of the present disclosure includes a plate-shaped stem, a plurality of leads penetrating through the stem via an insulating member, a conductive member for connection formed on either a top surface or a side surface of at least one lead among the plurality of leads, a heat sink block provided on the stem, a sub-mount which is fixed to the heat sink block and is provided with a metal pattern on a flat surface thereof, a semiconductor light emitting element which is fixed to the metal pattern and emits laser light, and a wire in which a metal ball formed at one end thereof is bonded to the metal pattern and the other end thereof is bonded to the at least one lead through bonding to the conductive member for connection.

Abstract: A transistor and a diode are formed on a common semiconductor substrate, the semiconductor substrate includes a transistor region and a diode region, the diode region includes an n type first semiconductor layer provided on a second main surface side of the semiconductor substrate, an n type second semiconductor layer provided on the first semiconductor layer, a p type third semiconductor layer provided closer to a first main surface side of the semiconductor substrate than the second semiconductor layer, a first main electrode that applies a first potential to the diode, a second main electrode that applies a second potential to the diode, a plurality of diode trench gates that reach the second semiconductor layer from the first main surface of the semiconductor substrate, and a contact region provided in an upper layer portion of the third semiconductor layer, and the contact region is composed of a conductor material.

Abstract: A physique determination device includes: an acquisition unit to acquire an image of a person; a detection unit to detect, from the acquired image, at least one of a plurality of physical feature points of the person; a determination unit to determine, on the basis of the at least one physical feature point that has been detected, a physique of the person; and a calculation unit to calculate, on the basis of the at least one physical feature point that has been detected, a degree of reliability of the determined physique of the person.

Abstract: An information collecting device to collect an image and position information to be transmitted from a vehicle to an external server via a communication network includes an image acquisition unit to acquire the image of the outside of the vehicle obtained by capturing by an image-capturing device mounted on the vehicle, a position-information acquisition unit to acquire position information indicating a capturing position of the image, a resource-status acquisition unit to acquire resource information indicating a status of a resource related to a load of processing on the image, a processing-method determination unit to determine a processing method of the image in accordance with the status of the resource, an image processing unit to process the image in accordance with the processing method, and an image analysis unit to perform analysis of the image processed and output the image processed in accordance with a result of the analysis.

Abstract: A backside conductors is configured such that an electrode for electrical connection to an outside is formed in addition to a heat sink in correspondence with each of a plurality of cavity structures, and a support member is formed so as to be at a position separated from dicing lines for dividing each of the cavity structures into an individual piece, arranged closer to the dicing lines than to the heat sink and the electrode, and interposed between a molding die and a board at a time of integral molding with the mold material.

Abstract: The MEMS mirror device includes a fixed member, a movable member rotatably coupled to the fixed member, a mirror, and a wire. The movable member includes a movable plate, a twist beam, and a meander beam. The meander beam is arranged along the twist beam. The mirror is formed on the movable plate. The wire extends from the movable plate to the fixed member. The wire is formed on the meander beam.

Abstract: Plural hollow structure bodies (3) are formed in a semiconductor substrate (1) in an array manner. The Plural hollow structure bodies (3) have a detection part (4) as a hollow structure and a getter part (5) as a hollow structure different from the detection part (4). A support body (6) demarcates the plural hollow structure bodies (3). The detection part (4) has a detection device (14) inside. The getter part (5) has a getter (16) inside. The detection part (4) and the getter part (5) are spatially joined together by a tunnel portion (7) formed in the support body (6).

Abstract: A propulsion control device includes: a first wire connectable to a power line supplied with direct-current power or a ground line connected to a reference potential; a second wire connectable to the power line or the ground line; and a brake chopper circuit in which a first switching element to which a first diode is connected in parallel and a second switching element to which a second diode is connected in parallel are connected in series, and in the brake chopper circuit, one end of the first switching element is connected to the first wire, another end of the first switching element is connected to one end of the second switching element at a connection point, another end of the second switching element is connected to the second wire, and the connection point is connected to the first wire or the second wire via a brake resistor.