Abstract: A liquid heating device 200 comprising: a container 100 having an internal space 100i, and an inlet 103 and an outlet 105 communicating with the internal space; and a ceramic heater 171-172 which extends in a front-rear direction L and whose front-end portion 17T is located in the internal space, the ceramic heater having a heat generation portion 17a at the distal-end portion, wherein in a process in which a liquid W is introduced from the inlet and flows through the internal space to the outlet, the liquid is heated by the ceramic heater, the ceramic heater has an inner hole 17i extending in the front-rear direction and having an opening m at a distal end, the inner hole communicating with the internal space, and the inner hole is closed by a closing portion 60 on a base-end side.

Abstract: In a drive device, a first flow path of a fluid connects a gear accommodation portion and an inlet of a pump. A second flow path connects an outlet of the pump and one end of a third flow path via a cooler. The third flow path is inside a partition wall of a housing and intersects a rotation axis of a first shaft. A fourth flow path connects another end of the third flow path and one end of a fifth flow path. The fifth flow path is inside a gear side lid of the housing. Another end of the fifth flow path is connected to one end of a second shaft in an axial direction. One end of a sixth flow path is connected to another end of the third flow path. Another end of the sixth flow path is inside a housing tubular portion.

Abstract: For example, a drive motor module capable of suppressing resonance of an inverter cover due to vibration from a motor or the like is provided. A drive motor module 1 includes a motor, an inverter electrically connected to the motor, a housing that houses the motor and the inverter, and an inverter cover that has a plate shape and covers the inverter. An outer surface of an inverter cover is divided into a first region and a second region in plan view. In the first region, a plurality of first ribs arranged in parallel to each other and a connecting portion extending in a direction intersecting with the first rib and connected to one end side of each of the first ribs are provided in a protruding manner. In the second region, a plurality of second ribs that radially extend are provided in a protruding manner.

Abstract: An exemplary embodiment of the present invention provides a motor including: a rotor configured to rotate about a central axis; a stator disposed radially opposite the rotor with a clearance defined between the stator and the rotor; a housing accommodating the rotor and the stator; a bearing supporting the rotor in a rotatable manner; a bearing holder holding the bearing, the bearing holder being fixed to the housing; a rotation sensor configured to detect rotation of the rotor; and a sensor holder disposed in the bearing holder to hold the rotation sensor. According to an exemplary embodiment of the present invention, the motor includes a position adjustment mechanism configured to adjust a circumferential position of the rotation sensor by integrally rotating the bearing holder and the sensor holder relative to the housing in a circumferential direction.

Abstract: A ducted fan that includes a housing with a cylindrical shape, a ring motor in the housing, and fan blades extending radially inward from an inner circumferential surface of the ring motor. The housing includes a first housing that covers a first side in an axial direction of the ring motor and a second housing that covers a second side in the axial direction of the ring motor. The second housing includes through holes penetrating the second housing at a portion on the second side in the axial direction with respect to the ring motor. The housing includes an outer circumferential wall including first and second wall portions located in outer circumferential portions of the first and second housings. The outer circumferential wall includes opening portions defined by a gap between the first and second wall portions.

Abstract: A motor includes a rotor, a stator, and a support member. The rotor includes a rotor magnet, a magnet holding portion, and spoke portions. The stator includes a plurality of coils and a stator core. The support member includes a stator holding portion and a mount portion. The mount portion includes a plurality of slits extending radially inward from a radially outer end portion of the mount portion. The slits each have openings in an outer circumferential end and an upper surface of the mount portion. The openings of the slits positioned in the upper surface of the mount portion are positioned between the coils adjacent to each other in the circumferential direction when viewed in the axial direction.

Abstract: For example, a drive motor module capable of suppressing resonance of an inverter cover due to vibration from a motor or the like is provided. A drive motor module 1 includes a motor, an inverter electrically connected to the motor, a housing that houses the motor and the inverter, and an inverter cover that has a plate shape and covers the inverter. An outer surface of an inverter cover is divided into a first region and a second region in plan view. In the first region, a plurality of first ribs arranged in parallel to each other and a connecting portion extending in a direction intersecting with the first rib and connected to one end side of each of the first ribs are provided in a protruding manner. In the second region, a plurality of second ribs that radially extend are provided in a protruding manner.

Abstract: A ceramic heater 171,172 comprising: a ceramic base 17g extending in an axial-line-L direction; and a heat generation portion 17a, wherein a length Lh in the axial-line direction of the heat generation portion and a maximum outer diameter D of the ceramic heater satisfy a relationship of 8?Lh/D.

Abstract: A liquid heating device (200) including: a container (100) having an internal space (100i), inlet (103) and outlet (105); and a ceramic heater (171,172) of which base-end portion (17R) is retained by the container, the ceramic heater including ceramic sheet (17s) having a heat generation portion (17a) and being wrapped around an outer circumference of ceramic base (17g) such that, at a wrap-meeting part of the ceramic sheet, a slit (17v) extending in the axial-line L direction is formed as a non-heat generation portion, wherein the liquid is heated by the ceramic heater, the outlet is located apart from the inlet in the axial-line direction, and a first-axis n1 direction in a vicinity (105R) of an opening end (105e) facing the internal space, of the outlet, crosses the axial-line direction, and a front end of the heat generation portion is located on the base-end portion side relative to the outlet.

Abstract: A liquid heating device (200) including: a container surrounding an internal space (101i) and having an opening (107m1-107m3); a ceramic heater (171-173) extending in a front-rear direction L and penetrating through the opening, such that a distal-end portion (17T) of the ceramic heater is located in the internal space and a base-end portion (17R) thereof is located outside the internal space, the ceramic heater having a heat generation portion (17a) at the distal-end portion; and a fixation member (180) sealing a gap between the opening and the ceramic heater, and fixing the ceramic heater to the container, wherein a liquid W in the internal space is heated by the ceramic heater, and the liquid passes through a flow path (103i) penetrating from outside through inside of the fixation member, so as to be introduced into the internal space.

Abstract: A rotating electric machine includes a rotor rotatable about a central axis, and a stator positioned radially outside the rotor. The rotor includes a shaft axially extending about the central axis, rotor core portions fixed to an outer peripheral surface of the shaft and in an axial direction, a magnet held by each of the rotor core portions, and at least one spacer that is a non-magnetic body with a ring-plate shape about the central axis and is between the rotor core portions which are axially adjacent to each other. The spacer is smaller in outer diameter than the rotor core portion.

Abstract: In a drive device, a first flow path of a fluid connects a gear accommodation portion and an inlet of a pump. A second flow path connects an outlet of the pump and one end of a third flow path via a cooler. The third flow path is inside a partition wall of a housing and intersects a rotation axis of a first shaft. A fourth flow path connects another end of the third flow path and one end of a fifth flow path. The fifth flow path is inside a gear side lid of the housing. Another end of the fifth flow path is connected to one end of a second shaft in an axial direction. One end of a sixth flow path is connected to another end of the third flow path. Another end of the sixth flow path is inside a housing tubular portion.

Abstract: In a drive device, a first flow path of a fluid connects a gear accommodation portion and an inlet of a pump. A second flow path connects an outlet of the pump and one end of a third flow path via a cooler. The third flow path is inside a partition wall of a housing and intersects a rotation axis of a first shaft. A fourth flow path connects another end of the third flow path and one end of a fifth flow path. The fifth flow path is inside a gear side lid of the housing. Another end of the fifth flow path is connected to one end of a second shaft in an axial direction. One end of a sixth flow path is connected to another end of the third flow path. Another end of the sixth flow path is inside a housing tubular portion.

Abstract: A drive apparatus includes a housing including a motor, a power transmission unit, a parking mechanism, and a gear accommodation portion. The parking mechanism includes a parking gear, a pawl, a transmission unit, and a sleeve. The transmission unit includes a cam rod and a cam attached to the cam rod to operate the pawl. The cam is guided by the sleeve. The gear accommodation portion has first and second housing members, a breather, and a dividing wall partitioning a space where the breather opens inside the gear accommodation portion. The second housing member is provided with a holding recess that opens to a first side in an axial direction and holds the sleeve. The first housing member is provided with a retaining wall that covers a surface facing a second side in the axial direction of the sleeve. The retaining wall is a part of the dividing wall.

Abstract: In a drive device, a first flow path of a fluid connects a gear accommodation portion and an inlet of a pump. A second flow path connects an outlet of the pump and one end of a third flow path via a cooler. The third flow path is inside a partition wall of a housing and intersects a rotation axis of a first shaft. A fourth flow path connects another end of the third flow path and one end of a fifth flow path. The fifth flow path is inside a gear side lid of the housing. Another end of the fifth flow path is connected to one end of a second shaft in an axial direction. One end of a sixth flow path is connected to another end of the third flow path. Another end of the sixth flow path is inside a housing tubular portion.

Abstract: A ducted fan that includes a housing with a cylindrical or substantially cylindrical shape, a ring motor in the housing, and fan blades extending radially inward from an inner circumferential surface of the ring motor. The housing includes a first housing that covers a first side in an axial direction of the ring motor and a second housing that covers a second side in the axial direction of the ring motor. The second housing includes through holes penetrating the second housing at a portion on the second side in the axial direction with respect to the ring motor. The housing includes an outer circumferential wall including first and second wall portions located in outer circumferential portions of the first and second housings. The outer circumferential wall includes opening portions defined by a gap between the first and second wall portions.

Abstract: A motor includes a shaft, a bearing supporting the shaft, an armature disposed radially outward of the bearing, a bracket to which the bearing and the armature are fixed, and a rotor connected to the shaft. The bracket includes a bracket bottom portion covering a lower side of the armature, and a terminal holding portion extending radially outward from an outer peripheral portion of the bracket bottom portion. The terminal holding portion includes a plate-shaped holding portion main body connected to the outer peripheral portion of the bracket bottom portion, a terminal disposed on an upper surface of the holding portion main body, and a protrusion portion projecting downward from a lower surface of the holding portion main body at a same position in a radial direction as that of the terminal, or radially outward of the terminal.

Abstract: A motor includes a shaft centered on a center axis oriented in a vertical direction, a bearing supporting the shaft, an armature disposed radially outward of the bearing, a bracket to which the bearing and the armature are fixed, and a covered cylindrical rotor connected to the shaft. The rotor includes a rotor lid portion connected to the shaft, a rotor side wall portion extending downward from an outer edge of the rotor lid portion, a blower plate portion connected to a lower surface of the rotor lid portion and extending radially outward from a center portion of the rotor lid portion, an inlet disposed radially outward of the cylindrical portion and penetrating the bracket, and an outlet disposed radially outward of the blower plate portion and radially penetrating the rotor.

Abstract: A motor includes a rotor, a stator, and a support member. The rotor includes a rotor magnet, a magnet holding portion, and spoke portions. The stator includes a plurality of coils and a stator core. The support member includes a stator holding portion and a mount portion. The mount portion includes a plurality of slits extending radially inward from a radially outer end portion of the mount portion. The slits each have openings in an outer circumferential end and an upper surface of the mount portion. The openings of the slits positioned in the upper surface of the mount portion are positioned between the coils adjacent to each other in the circumferential direction when viewed in the axial direction.

Abstract: A motor includes a shaft, a bearing supporting the shaft, an armature disposed radially outward of the bearing, a bracket to which the bearing and the armature are fixed, a covered cylindrical rotor connected to the shaft, and a bus bar unit. The armature includes a core back, teeth extending radially outward from the core back, an insulator covering surfaces of the, and a defined by a wire wound from above the insulator around the teeth. The bus bar unit includes bus bars to which the coils are connected, a bus bar holder holding the bus bars, and a bus bar cover covering portion of the bus bars.