Abstract: A phosphor wheel includes a substrate that has a disk shape, and includes a first main surface, a second main surface opposite to the first main surface, and an opening, a phosphor layer that has a curved shape and is provided along a circumferential direction of the substrate on the first main surface, the phosphor layer being provided side by side with the opening in the circumferential direction in plan view, a heat dissipation fin that is provided on the second main surface, and a projection that is provided on the second main surface, and is different from the heat dissipation fin. The heat dissipation fin and the projection are disposed integrally with the substrate.

Abstract: A liquid application apparatus sequentially moves to each of a plurality of divided areas obtained by dividing a liquid application area and discharges liquid to connect images. The liquid application apparatus includes an imager and processing circuitry. The imager reads a reference position set in an area where end portions of the plurality of divided areas overlap with each other. The processing circuitry sets the reference position to a reference origin of image writing.

Abstract: Provided is an armature including a plurality of coils that generate power according to a flowing current, and a covering member that covers the plurality of coils from an outside, insulates the plurality of coils from each other, and reduces outgas to the outside.

Abstract: A propeller fan includes: a rotation-axis part that serves as a center of rotation; and a plurality of blades provided on an outer circumferential side of the rotation-axis part, the plurality of blades being joined to adjoining blades at leading edges and trailing edges thereof. A first rib projecting towards the center of rotation of the rotation-axis part to surround the rotation-axis part, and second ribs projecting towards the center of rotation to extend from the rotation-axis part toward the first rib are provided on pressure surfaces of the plurality of blades. Among ends of the second ribs in the direction of the center of rotation, the ends distant from the pressure surfaces project away from the pressure surfaces farther than an end of the first rib distant from the pressure surfaces, among the ends of the first rib in the direction of the center of rotation.

Abstract: A substrate liquid processing apparatus includes an inner tub 34A having a top opening and storing a processing liquid therein; an outer tub 34B provided outside the inner tub; a first cover body 71 configured to move between a closing position where a first region of the top opening is closed and an opening position where the first region is opened; and a second cover body 72 configured to move between a closing position where a second region of the top opening is closed and an opening position where the second region is opened. The first cover body has a bottom wall 711R and a sidewall 712R extended upwards therefrom, and the second cover body has a bottom wall 721R and a sidewall 722R extended upwards therefrom. Further, when being placed at the closing positions, the sidewalls closely face each other with a gap G having a height H.

Abstract: There is provided a to-be-protection circuit that is high in operation accuracy and that prevents overvoltage on a protected circuit. A protection circuit is configured to protect a to-be-protected circuit from overvoltage. The to-be-protected circuit is connected to an external output terminal. The protection circuit includes: a current path unit connected to the external output terminal and including at least one first element; a reference voltage generation unit which generates and outputs a reference voltage; and an amplifier circuit outputs a target voltage based on a difference between a first input voltage and a second input voltage. The amplifier circuit operates using the reference voltage as the first input voltage and using a feedback voltage based on the target voltage as the second input voltage, and outputs the target voltage to the current path unit.

Abstract: An electric blower includes a motor unit, a shaft, a centrifugal impeller, a fan cover, a motor unit case, and a bracket located away from centrifugal impeller and toward motor unit in a direction in which a central axis of the shaft extends. The bracket includes a first portion located outward of the vent in a radial direction, and a second portion located outward of the first portion and outward of an outer circumference of the motor unit case in the radial direction. A first airflow passage and a second airflow passage are formed in the bracket, the first and second airflow passages communicate with an airflow passage formed by the centrifugal impeller and the fan cover.

Abstract: A method for setting conditions for a shaft diameter enlargement, a shaft diameter enlargement method, and a shaft diameter enlargement apparatus are provided. A controller of the shaft diameter enlargement apparatus controls a compressing section, a bending section, and a rotating section to enlarge an intermediate portion of a shaft workpiece to have a predetermined outer diameter by rotating the shaft workpiece about its axis with axial compressive force a bending angle being applied to the intermediate portion. The controller determines whether the shaft workpiece is acceptable, based on the number of rotations of die shaft workpiece required for enlarging the intermediate portion to have the predetermined outer diameter or based on an enlargement ratio of the intermediate portion.

Abstract: Provided is a member for a plasma processing apparatus consisting of a tungsten carbide phase. The member includes at least one type of atom selected from the group consisting of a Fe atom, a Co atom, and a Ni atom, in which the total content of the atoms is in a range of 30 to 3300 atomic ppm.

Abstract: An angular rate sensor includes an annular resonator. The resonator includes an annular base material made of a first material, and an annular first low thermal conductor made of a second material having a lower thermal conductivity than the first material, the first low thermal conductor being sandwiched between an annular first region and an annular second region on an inner side of the first region in the base material over substantially an entire circumference of the resonator.

Abstract: A phosphor wheel device includes a motor having a rotation shaft, a phosphor wheel substrate attached to one end side of the rotation shaft, and a balancer fixed to the phosphor wheel substrate. The balancer has at least one opening that is open to an outside of the phosphor wheel device.

Abstract: A propeller fan includes a shaft portion disposed on a rotation axis, and a blade disposed on an outer peripheral side of the shaft portion and including a leading edge and a trailing edge. The blade includes a negative pressure surface in which a plurality of recesses are formed, and the plurality of recesses include a first recess and a second recess disposed on the trailing edge side than the first recess in a circumferential direction about the rotation axis as a center. The first recess has a depth larger than a depth of the second recess.

Abstract: A wavelength conversion element includes a first phosphor region and a second phosphor region. The second phosphor region is disposed in a thickness direction of the first phosphor region and has a phosphor particle with a particle size different from a particle size of a phosphor particle positioned in the first phosphor region.

Abstract: A propeller fan includes a shaft portion disposed on a rotation axis, and a blade disposed on an outer peripheral side of the shaft portion and including a leading edge and a trailing edge. The blade includes a negative pressure surface in which a plurality of recesses are formed, and the plurality of recesses include a first recess and a second recess disposed on the trailing edge side than the first recess in a circumferential direction about the rotation axis as a center. The first recess has a depth larger than a depth of the second recess.

Abstract: A member for a plasma processing apparatus has a tungsten carbide phase, and a sub-phase including at least one selected from the group consisting of phase I to IV, and phase V, in which the phase I is a carbide phase containing, as a constituent element, at least one of the elements of Group IV, V, and VI of the periodic table excluding W, the phase II is a nitride phase containing, as a constituent element, at least one of the elements of Group IV, V, and VI of the periodic table excluding W, the phase III is a carbonitride phase containing, as a constituent element, at least one of the elements of Group IV, Group V, and Group VI of the periodic table excluding W, the phase IV is a carbon phase, the phase V is a composite carbide phase which is represented by a formula WxMyCz.

Abstract: A management device 21 comprising a main control part 23 that, during charging of a plurality of power storage elements 41 connected in series, outputs a first pull-down signal to a converter 11 so as to lower a charging voltage when the cell voltage of any of the power storage elements 41 is equal to or greater than a first threshold value.

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 centrifugal blower having high efficiency and reduced noise is provided. A centrifugal blower to be accommodated in a housing having an air inlet includes a spiral casing having a bell mouth and a centrifugal fan housed in the casing. The bell mouth includes a first region and a second region. The first region is disposed closest to the air inlet. A distance from a rotational axis of the centrifugal fan to a downstream end in the first region is greater than a distance from the rotational axis to the downstream end in the second region. A curvature of a surface of the first region in a cross section including the rotational axis is smaller than a curvature of a surface of the second region in a cross section including the rotational axis.

Abstract: A substrate liquid treatment apparatus includes an inner tank configured to store a treatment liquid and having an upper opening, an outer tank disposed outside the inner tank, and a lid movable between a close position for closing the upper opening of the inner tank and an open position for opening the upper opening of the inner tank. The lid includes a main portion that covers the upper opening of the inner tank when the lid is positioned at the close position, and a splash shielding portion connected to the main portion. When the lid is positioned at the close position, the splash shielding portion extends from a position higher than an upper end of a side wall of the inner tank adjacent to the splash shielding portion to a position which is lower than the upper end of the side wall and which is on the outer tank side of the side wall.

Abstract: A honeycomb structure includes an incoming end having a concave shape; an outgoing end having a convex shape; and a plurality of cells each having a polygonal cross section and serving as a channel for a fluid, the channel extending from the incoming end to the outgoing end. The plurality of cells are separated from each other by separator walls. At least one of the plurality of cells has an area of a channel cross section perpendicular to a longitudinal direction, the area increasing from the incoming end toward the outgoing end.