Abstract: According to one embodiment, an MRI apparatus includes a bed, a digital processing circuit, a first antenna, first radio communication circuitry, a second antenna, second radio communication circuitry, and an image reconstruction circuit. An object is loaded on the bed. The digital processing circuit is disposed inside the bed, acquires analogue MR signals from an RF coil which receives MR signals emitted from the object, and digitizes the acquired MR signals. The first radio communication circuitry wirelessly transmits the MR signals digitized by the digital processing circuit, by using the first antenna. The second radio communication circuitry wirelessly receives the MR signals wirelessly transmitted from the first antenna, by using the second antenna. The image reconstruction circuit reconstructs image data based on the MR signals received by the second radio communication circuitry.

Abstract: A heat recovery system includes a plurality of heat source portions; a heat exchanger connected to the heat source portions via a primary flow path portion through which a first fluid flows, and configured to perform heat exchange between the first fluid and a second fluid; a valve mechanism configured to select a flow path that connects the heat exchanger and the heat source portions; and a power generation unit connected to the heat exchanger via a secondary flow path portion through which the second fluid flows, and configured to generate electric power using the second fluid. Timing of a temperature rise of the first fluid in one heat source portion is different from that in another heat source portion. The valve mechanism operates in accordance with the timing of the temperature rise of the first fluid in each of the heat source portions.

Abstract: According to an embodiment, a magnetic resonance imaging apparatus includes a couch, a gantry, a receiving coil, a converter, and a collector. On the couch, a subject is placed. The gantry supports a static magnetic field magnet and a gradient coil. The receiving coil receives a magnetic resonance signal emitted from the subject. The converter converts a magnetic resonance signal output from the receiving coil into a digital signal, thereby generating magnetic resonance signal data. The collector collects the magnetic resonance signal data. The couch or the gantry includes a coil port that connects the receiving coil and the collector to each other. The converter is provided in the coil port or a relay device that relays between the receiving coil and the coil port.

Abstract: A magnetic resonance imaging apparatus according to an embodiment includes an installer provided on a gantry and configured to be capable of installing thereon an electronic apparatus. The magnetic resonance imaging apparatus according to the embodiment includes a drawing structure configured to draw out the electronic apparatus installed on the installer to a position that is away from the gantry by a certain distance in excitation of a static magnetic field magnet.

Abstract: A temperature sensor includes a temperature sensitive element, a sheath portion, a surrounding portion, and a holding member. This temperature sensor has a void formed forward of a temperature sensitive body. When the void is projected in an axial direction of the surrounding portion from a forward end side of the surrounding portion, the void contains at least a forward end surface of the temperature sensitive body.

Abstract: A magnetic resonance imaging apparatus according to an embodiment includes a plurality of receiving coils, a couch, a conversion unit, a selection unit, and a reconstruction unit. The receiving coils receive magnetic resonance signals emitted from a subject. The couch includes coil ports connected to the respective receiving coils. The conversion unit is provided on the respective coil ports and converts the magnetic resonance signals that are output from the respective receiving coils to digital signals so as to generate pieces of magnetic resonance data. The selection unit selects pieces of magnetic resonance data to be used for reconstruction among the pieces of magnetic resonance data for the channels that have been output from the receiving coils and converted to the digital signals. The reconstruction unit reconstructs image data using the pieces of magnetic resonance data selected by the selection unit.

Abstract: A sensor includes a sensor element and a conductive wire. The sensing element includes a sensing portion and a terminal wire extending from the sensing portion. The sensing portion has an electrical characteristic that changes in accordance with a change in an atmosphere. The conductive wire is for communicating an electrical signal from the sensor element. The conductive wire includes a plurality of conductors twisted together. The terminal wire and the conductive wire are arranged in a longitudinal direction of the sensor and are connected to each other by welding. The conductive wire includes a first weld portion formed by integrating the plurality of conductors in the longitudinal direction by welding. The terminal wire and the conductive wire are connected to each other through a second weld portion, and the second weld portion is formed only in a region longitudinally overlapping the first weld portion.

Abstract: A stator includes an annular stator core having a plurality of slots arranged in the circumferential direction at predetermined intervals and a stator coil formed of a plurality of electric conductor wires mounted on the stator core. Each of the electric conductor wires has a plurality of in-slot portions received in the slots of the stator core and a plurality of turn portions that connect, on the outside of the slots, adjacent pairs of the in-slot portions. The stator coil has first and second coil end parts and that respectively protrude axially outward from a pair of axial end faces of the stator core. At each of the coil end parts, the turn portions of the electric conductor wires are stacked in a radial direction of the stator core, and the axial heights h1 of the turn portions are set so as to gradually increase from the radially inside to the radially outside.

Abstract: A temperature sensor includes a temperature sensitive element, a sheath portion, a surrounding portion, and a holding member. This temperature sensor has a void formed forward of a temperature sensitive body. When the void is projected in an axial direction of the surrounding portion from a forward end side of the surrounding portion, the void contains at least a forward end surface of the temperature sensitive body.

Abstract: According to one embodiment, an MRI apparatus includes a bed, a digital processing circuit, a first antenna, first radio communication circuitry, a second antenna, second radio communication circuitry, and an image reconstruction circuit. An object is loaded on the bed. The digital processing circuit is disposed inside the bed, acquires analogue MR signals from an RF coil which receives MR signals emitted from the object, and digitizes the acquired MR signals. The first radio communication circuitry wirelessly transmits the MR signals digitized by the digital processing circuit, by using the first antenna. The second radio communication circuitry wirelessly receives the MR signals wirelessly transmitted from the first antenna, by using the second antenna. The image reconstruction circuit reconstructs image data based on the MR signals received by the second radio communication circuitry.

Abstract: A magnetic resonance imaging apparatus according to an embodiment includes an installer provided on a gantry and configured to be capable of installing thereon an electronic apparatus. The magnetic resonance imaging apparatus according to the embodiment includes a drawing structure configured to draw out the electronic apparatus installed on the installer to a position that is away from the gantry by a certain distance in excitation of a static magnetic field magnet.

Abstract: A sensor and method of manufacturing the same. A plurality of conductors (33) constituting an electricity conduction wire (37) are fused and joined for unification by a first resistance welding operation. Subsequently, a terminal wire (20) and the electricity conduction wire (37) are caused to overlap in the axial direction and connected by a second resistance welding operation.

Abstract: An armature for a rotating electric machine includes an armature core and an armature coil. The armature core includes a substantially annular main body disposed in radial opposition to a field of the machine and teeth extending from the main body radially toward the field. The armature coil is arranged between the teeth of the armature core. For each of the teeth, there are formed a protrusion and a pair of claws at a distal end of the tooth. The protrusion protrudes from a circumferentially central part of the distal end of the tooth radially toward the field. The claws extend, respectively on opposite circumferential sides of the protrusion, from the distal end of the tooth toward the field. Each of the claws has a smaller width at its distal end than at its proximal end and is arcuate-shaped so as to engage with and thereby retain the armature coil.

Abstract: A sensor includes a sensor element and a conductive wire. The sensing element includes a sensing portion and a terminal wire extending from the sensing portion. The sensing portion has an electrical characteristic that changes in accordance with a change in an atmosphere. The conductive wire is for communicating an electrical signal from the sensor element. The conductive wire includes a plurality of conductors twisted together. The terminal wire and the conductive wire are arranged in a longitudinal direction of the sensor and are connected to each other by welding. The conductive wire includes a first weld portion formed by integrating the plurality of conductors in the longitudinal direction by welding. The terminal wire and the conductive wire are connected to each other through a second weld portion, and the second weld portion is formed only in a region longitudinally overlapping the first weld portion.

Abstract: A magnetic resonance imaging apparatus collects raw data about a subject in a synchronized manner with an electrocardiographic signal of the subject. An Electrocardiogram (ECG) gating unit detects an irregular synchronization interval with respect to the electrocardiographic signal. When the ECG gating unit detects an irregular synchronization interval, a real-time sequencer controls a gradient magnetic-field power source, a transmitting unit, and the like so as to reacquire raw data that is acquired during the irregular synchronization interval.

Abstract: A magnetic resonance imaging apparatus according to an embodiment includes a plurality of receiving coils, a couch, a conversion unit, a selection unit, and a reconstruction unit. The receiving coils receive magnetic resonance signals emitted from a subject. The couch includes coil ports connected to the respective receiving coils. The conversion unit is provided on the respective coil ports and converts the magnetic resonance signals that are output from the respective receiving coils to digital signals so as to generate pieces of magnetic resonance data. The selection unit selects pieces of magnetic resonance data to be used for reconstruction among the pieces of magnetic resonance data for the channels that have been output from the receiving coils and converted to the digital signals. The reconstruction unit reconstructs image data using the pieces of magnetic resonance data selected by the selection unit.

Abstract: According to an embodiment, a magnetic resonance imaging apparatus includes a couch, a gantry, a receiving coil, a converter, and a collector. On the couch, a subject is placed. The gantry supports a static magnetic field magnet and a gradient coil. The receiving coil receives a magnetic resonance signal emitted from the subject. The converter converts a magnetic resonance signal output from the receiving coil into a digital signal, thereby generating magnetic resonance signal data. The collector collects the magnetic resonance signal data. The couch or the gantry includes a coil port that connects the receiving coil and the collector to each other. The converter is provided in the coil port or a relay device that relays between the receiving coil and the coil port.

Abstract: A stator includes a hollow cylindrical stator core, a stator coil and an outer cylinder. The stator core is comprised of a plurality of core segments that are arranged in a circumferential direction of the stator core to adjoin one another in the circumferential direction. The stator coil is mounted on the stator core. The outer cylinder is fitted on a radially outer periphery of the stator core. The outer cylinder has, at least, a protruding portion and a non-protruding portion. The protruding portion protrudes radially inward to include an abutting part that abuts the radially outer periphery of the stator core. The non-protruding portion extends, without protruding radially inward, to define a radial clearance between the radially outer periphery of the stator core and a radially inner surface of the non-protruding portion. The protruding and non-protruding portions are continuously formed in an axial direction of the outer cylinder.

Abstract: An armature for a rotating electric machine includes an armature core and an armature coil. The armature core includes a substantially annular main body disposed in radial opposition to a field of the machine and teeth extending from the main body radially toward the field. The armature coil is arranged between the teeth of the armature core. For each of the teeth, there are formed a protrusion and a pair of claws at a distal end of the tooth. The protrusion protrudes from a circumferentially central part of the distal end of the tooth radially toward the field. The claws extend, respectively on opposite circumferential sides of the protrusion, from the distal end of the tooth toward the field. Each of the claws has a smaller width at its distal end than at its proximal end and is arcuate-shaped so as to engage with and thereby retain the armature coil.

Abstract: A stator includes an annular stator core having a plurality of slots arranged in the circumferential direction at predetermined intervals and a stator coil formed of a plurality of electric conductor wires mounted on the stator core. Each of the electric conductor wires has a plurality of in-slot portions received in the slots of the stator core and a plurality of turn portions that connect, on the outside of the slots, adjacent pairs of the in-slot portions. The stator coil has first and second coil end parts and that respectively protrude axially outward from a pair of axial end faces of the stator core. At each of the coil end parts, the turn portions of the electric conductor wires are stacked in a radial direction of the stator core, and the axial heights h1 of the turn portions are set so as to gradually increase from the radially inside to the radially outside.