Abstract: A motor includes a rotor rotatable about a central axis extending vertically, a stator radially opposed to the rotor, a circuit board located axially below the stator, a housing in which the rotor, the stator, and the circuit board are accommodated, and a resin portion located on an upper surface of a bottom plate of the housing and covering at least a portion of the stator and the circuit board. The bottom plate of the housing includes a processed portion that is in contact with at least a portion of the resin portion. A surface of the processed portion is rougher than a surface of the bottom plate excluding the processed portion.

Abstract: A work system includes a mounting system which mounts a component on a board and an unmanned conveyance system having an unmanned conveyance vehicle. The unmanned conveyance system includes a first notifier which notifies the mounting system of an arrival notification indicating that the unmanned conveyance vehicle arrives at a position where separating the feeder carriage from the base starts, and a first processor which causes the unmanned conveyance vehicle to travel in a direction away from the base upon receiving, from the mounting system, a release notification indicating that a connection of the feeder carriage is released. The mounting system includes a second processor which causes the connection mechanism to release the connection of the feeder carriage upon receiving the arrival notification, and a second notifier which notifies the unmanned conveyance system of the release notification upon being informed of completion of the release operation.

Abstract: A blower apparatus includes a rotor, a stator, a circuit board, and a resin portion which covers the stator and the circuit board. The stator includes a conductive pin which protrudes downward from a stator core and is connected to a conducting wire to electrically connect the coil and the circuit board. The resin portion includes a first resin portion which covers the stator core and the coil, a second resin portion which covers the circuit board, and a third resin portion which is between the first resin portion and the second resin portion and covers the conductive pin. At least a portion of an outer peripheral surface of the third resin portion which intersects with an extension line extending from a center axis to the conductive pin is on a radially outer side away from the first resin portion.

Abstract: A motor includes a rotating portion rotatable about a center axis that extends vertically and a stationary portion that rotatably supports the rotating portion. The stationary portion includes a stator facing at least a part of the rotating portion in a radial direction, a circuit board disposed axially below the stator, and a resin portion covering at least a part of the stator, and the circuit board. The stator includes a plurality of coils disposed in a circumferential direction. The circuit board includes an axially upper surface mounted with an electric element that is disposed at least at one of positions including a position between two coils of the plurality of coils, adjacent to each other in the circumference direction, and a position below the coil.

Abstract: A motor including a rotating portion that rotates about a center axis that extends vertically and a stationary portion that rotatably supports the rotating portion. The stationary portion includes a stator including a coil, radially facing at least a portion of the rotating portion, a base disposed axially below the stator, a circuit board disposed axially between the stator and the base, a conductor electrically connected to the coil and the circuit board, including an extending portion extending axially downward from the circuit board, and a resin portion covering the circuit board and the conductor, connecting the base and the stator. The base is provided in its axially upper surface with an opening that overlaps the conductor when viewed axially.

Abstract: A motor including a rotating portion that is rotatable about a center axis that extends vertically and a stationary portion that rotatably supports the rotating portion. The stationary portion includes a stator facing at least a portion of the rotating portion in a radial direction, a base disposed axially below the stator, and a resin portion covering at least a portion of the stator, connecting the stator and the base. The base includes a recessed portion that is recessed downward in an axial direction and that accommodates at least a portion of the resin portion. The recessed portion includes an inner peripheral surface provided with an upper wall portion disposed axially above a portion of the resin portion.

Abstract: A blower apparatus includes a rotor, a stator, a circuit board, and a resin portion which covers the stator and the circuit board. The stator includes a conductive pin which protrudes downward from a stator core and is connected to a conducting wire to electrically connect the coil and the circuit board. The resin portion includes a first resin portion which covers the stator core and the coil, a second resin portion which covers the circuit board, and a third resin portion which is between the first resin portion and the second resin portion and covers the conductive pin. At least a portion of an outer peripheral surface of the third resin portion which intersects with an extension line extending from a center axis to the conductive pin is on a radially outer side away from the first resin portion.

Abstract: An air blower includes an impeller, a motor, a lead wire, and a casing. The impeller rotates around a central axis extending in a vertical direction. The motor rotates the impeller. The lead wire is connected to the motor. The casing houses the impeller and the motor. The casing includes a bottom plate portion, a side wall portion, and a top plate portion. The top plate portion is disposed axially above the impeller and is connected to the upper end of the side wall portion. The casing includes a lead-out port through which the lead wire is led out to the outside in the radial direction. The lead-out port includes a lower portion provided on the bottom plate portion and an upper portion provided on the side wall portion, and the lower and upper portions are defined by different members.

Abstract: A centrifugal fan includes an impeller including blades, a motor, a housing, and a resin section. The blades are arranged in the circumferential direction about a central axis extending in the vertical direction. The rotor of the motor is rotatable with the blades about the central axis. The housing includes a plate-shaped bottom plate that extends in the radial direction from the central axis, and a housing protrusion that protrudes upward from the upper surface of the bottom plate and extends in the circumferential direction. A housing recess, which is recessed downward, is located in the upper surface of the bottom plate. The resin section includes a resin filled portion filled in the housing recess, and a resin protrusion that is disposed below the blades, protrudes upward from the resin filled portion, and extends in the circumferential direction.

Abstract: A blower device includes a rotor rotatable about a central axis extending in a vertical direction, an impeller attached to the rotor, and an annular ring centered on the central axis. The rotor includes a rotor cylindrical portion that extends in the axial direction and a flange that extends radially outward from the rotor cylindrical portion. The impeller includes an annular impeller base centered on the central axis. The ring is connected to the impeller base in the axial direction. The flange is held between the impeller base and the ring in the axial direction.

Abstract: A motor includes a rotating portion rotatable about a center axis that extends vertically and a stationary portion that rotatably supports the rotating portion. The stationary portion includes a stator facing at least a part of the rotating portion in a radial direction, a circuit board disposed axially below the stator, and a resin portion covering at least a part of the stator, and the circuit board. The stator includes a plurality of coils disposed in a circumferential direction. The circuit board includes an axially upper surface mounted with an electric element that is disposed at least at one of positions including a position between two coils of the plurality of coils, adjacent to each other in the circumference direction, and a position below the coil.

Abstract: A blower device includes a rotor rotatable about a central axis extending in a vertical direction, an impeller attached to the rotor, and an annular ring centered on the central axis. The rotor includes a rotor cylindrical portion that extends in the axial direction and a flange that extends radially outward from the rotor cylindrical portion. The impeller includes an annular impeller base centered on the central axis. The ring is connected to the impeller base in the axial direction. The flange is held between the impeller base and the ring in the axial direction.

Abstract: An insulator includes an upper side surface cover portion and a lower side surface cover portion. The upper side surface cover portion covers the upper side surfaces of teeth. The lower side surface cover portion covers the lower side surfaces of the teeth. The upper side surface cover portion includes an upper umbrella cover portion and an upper thin portion. The upper umbrella cover portion covers upper portions of radially inner surfaces of umbrella portions. The upper thin portion protrudes downward from a lower end of the upper umbrella cover portion in the axial direction and is thinner than the upper umbrella cover portion in a radial direction. The lower umbrella cover portion covers lower portions of the radially inner surfaces of the umbrella portions. The lower thin portion protrudes upward from an upper end of the lower umbrella cover portion in the axial direction and is thinner than the lower umbrella cover portion in the radial direction.

Abstract: An air blower includes an impeller, a motor, a lead wire, and a casing. The impeller rotates around a central axis extending in a vertical direction. The motor rotates the impeller. The lead wire is connected to the motor. The casing houses the impeller and the motor. The casing includes a bottom plate portion, a side wall portion, and a top plate portion. The bottom plate portion expands from the central axis in the radial direction and holds the motor on the upper surface of the bottom plate portion. The side wall portion extends axially upward from the outer peripheral portion of the bottom plate portion. The top plate portion is disposed axially above the impeller and is connected to the upper end of the side wall portion. The casing includes a lead-out port through which the lead wire is led out to the outside in the radial direction.

Abstract: A motor including a rotating portion that rotates about a center axis that extends vertically and a stationary portion that rotatably supports the rotating portion. The stationary portion includes a stator including a coil, radially facing at least a portion of the rotating portion, a base disposed axially below the stator, a circuit board disposed axially between the stator and the base, a conductor electrically connected to the coil and the circuit board, including an extending portion extending axially downward from the circuit board, and a resin portion covering the circuit board and the conductor, connecting the base and the stator. The base is provided in its axially upper surface with an opening that overlaps the conductor when viewed axially.

Abstract: A centrifugal fan includes an impeller including blades, a motor, a housing, and a resin section. The blades are arranged in the circumferential direction about a central axis extending in the vertical direction. The rotor of the motor is rotatable with the blades about the central axis. The housing includes a plate-shaped bottom plate that extends in the radial direction from the central axis, and a housing protrusion that protrudes upward from the upper surface of the bottom plate and extends in the circumferential direction. A housing recess, which is recessed downward, is located in the upper surface of the bottom plate. The resin section includes a resin filled portion filled in the housing recess, and a resin protrusion that is disposed below the blades, protrudes upward from the resin filled portion, and extends in the circumferential direction.

Abstract: A motor including a rotating portion that is rotatable about a center axis that extends vertically and a stationary portion that rotatably supports the rotating portion. The stationary portion includes a stator facing at least a portion of the rotating portion in a radial direction, a base disposed axially below the stator, and a resin portion covering at least a portion of the stator, connecting the stator and the base. The base includes a recessed portion that is recessed downward in an axial direction and that accommodates at least a portion of the resin portion. The recessed portion includes an inner peripheral surface provided with an upper wall portion disposed axially above a portion of the resin portion.

Abstract: A work system includes a mounting system which mounts a component on a board and an unmanned conveyance system having an unmanned conveyance vehicle. The unmanned conveyance system includes a first notifier which notifies the mounting system of an arrival notification indicating that the unmanned conveyance vehicle arrives at a position where separating the feeder carriage from the base starts, and a first processor which causes the unmanned conveyance vehicle to travel in a direction away from the base upon receiving, from the mounting system, a release notification indicating that a connection of the feeder carriage is released. The mounting system includes a second processor which causes the connection mechanism to release the connection of the feeder carriage upon receiving the arrival notification, and a second notifier which notifies the unmanned conveyance system of the release notification upon being informed of completion of the release operation.

Abstract: A gasket inserted into a gasket groove is formed of a gasket main body part positioned in the middle part thereof and first/second end face projection parts each formed in a tapered shape, projecting from corresponding ones of the ends of the gasket main body part. Each of pressure-contact surfaces of the gasket main body part is formed as an arc-shaped surface having a convex shape projecting toward a corresponding one of the inner side surfaces of the gasket groove. The rate of the sum of the sectional areas of the first/second end face projection parts to the whole sectional area of the gasket is 30% or less, and the rate of the curvature radius of each of the tip end surfaces of the respective first/second end face projection parts to the maximum width dimension of the gasket main body part is 15% or less.

Abstract: A component supply device of the disclosure includes: a loader being capable of accommodating a plurality of stick cases in a stacked state, each of the plurality of stick cases being capable of accommodating a plurality of electronic components, each of the plurality of stick cases having an opening in an end portion in a longitudinal direction; a component transporting path transporting one or more electronic components supplied from the plurality of stick cases to a predetermined component supply position; and a component information storage being capable of storing component information of stick cases. A plurality of electronic components of same lot are accommodated in the plurality of stick cases, and the component information storage stores component information of a stick case read from one of the plurality of stick cases, as the component information of each of the plurality of stick cases.