Abstract: An electric motor includes a rotor, a stator assembly, and a plurality of heat dissipation members fixed to the stator assembly and to release heat of the stator assembly.

Abstract: A motor includes a rotor, a stator surrounding the rotor, a circuit board attached to the stator, a mold resin part covering the stator and the circuit board, a lead wire connected to the circuit board and drawn out of the mold resin part, and a cover member provided on the mold resin part and made of a resin. The cover portion and an outer circumferential surface of the mold resin part form a housing space in which the lead wire is housed. The cover portion has a hole portion through which the lead wire is drawn out of the housing space.

Abstract: Provided are an image bearing member; a charging member that charges the image bearing member; an exposure unit that exposes the image bearing member; a developing unit that develops an electrostatic latent image as a developer image by supplying a developer, charged to regular polarity, to the image bearing member; a transfer member that transfers the developer image to a transfer-receiving body; and a collecting member that collects a deposit on the image bearing member downstream of a transfer portion of the image bearing member at which the developer image is transferred to the transfer-receiving body by the transfer member, and upstream of a charging portion of the image bearing member charged by the charging member, in a rotation direction of the image bearing member. After transfer of the developer image to the transfer-receiving body, the developer remaining on the image bearing member is collected by the developing unit.

Abstract: A radiation detector includes a plurality of pixels configured to directly convert a radiation into an electric charge, a reading circuit configured to read pixel signals from the plurality of pixels for each frame, and a processing unit configured to process the pixel signals read by the reading circuit, wherein the processing unit is configured to determine a background component contained in a pixel signal of each of the plurality of pixels by using values of the pixel signals read from the plurality of pixels in a frame in which the pixel signal whose background component is to be determined is read.

Abstract: A rotor includes a rotary shaft, a first permanent magnet supported by the rotary shaft, and a second permanent magnet supported by an outer periphery of the first permanent magnet and having a magnetic pole stronger than a magnetic pole of the first permanent magnet . The second permanent magnet includes a plurality of magnet parts arranged at intervals in a circumferential direction of the first permanent magnet. A first width as a width in the circumferential direction of each of the plurality of magnet parts at a central part of the first permanent magnet in an axial direction of the rotary shaft is wider than a second width as a width in the circumferential direction of each of the magnet parts at an end part of the first permanent magnet in the axial direction.

Abstract: An electric motor includes a rotor and a stator. The stator includes a first stator core located on a first side in the axial direction, and a second stator core located on a second side. The minimum distance from a rotor core of the rotor to the first stator core in the radial direction is smaller than the minimum distance from the rotor core to the second stator core in the radial direction. Each tooth of the first stator core includes a tooth end portion. The tooth end portion includes a main body extending in the radial direction, and a first portion extending in the circumferential direction, and a second portion projecting from the first portion in the radial direction.

Abstract: An image forming apparatus includes a photosensitive member, a transfer member, a transfer power source, and a control unit. At a start time of a start-up operation at the time of starting an image forming operation, on the surface of the photosensitive member, a first position coincides with a charging position, and a third position coincides with a transfer position. During a period in which an area on the photosensitive member located between the first position and the third position in a rotation direction of the photosensitive member passes the transfer position, the control unit performs control of applying a first voltage having the same polarity as a normal charging polarity of toner to the transfer member by the transfer power source, and, at a predetermined timing, changing a voltage from the first voltage to a second voltage having an absolute value less than that of the first voltage.

Abstract: A two-phase bicontinuous silica structure includes a phase containing silica as a main component and an air phase. The silica has a Q4 bond as a chemical bond, a content of molybdenum in the whole amount of the two-phase bicontinuous silica structure is 2.0% by mass or less, and the phase containing silica as a main component is amorphous.

Abstract: Provided are an image bearing member; a charging member that charges the image bearing member; an exposure unit that exposes the image bearing member; a developing unit that develops an electrostatic latent image as a developer image by supplying a developer, charged to regular polarity, to the image bearing member; a transfer member that transfers the developer image to a transfer-receiving body; and a collecting member that collects a deposit on the image bearing member downstream of a transfer portion of the image bearing member at which the developer image is transferred to the transfer-receiving body by the transfer member, and upstream of a charging portion of the image bearing member charged by the charging member, in a rotation direction of the image bearing member. After transfer of the developer image to the transfer-receiving body, the developer remaining on the image bearing member is collected by the developing unit.

Abstract: A blower includes a rotor that includes a shaft, a rotor core in an annular shape about at a central axis of the shaft, and permanent magnets attached to the rotor core. The permanent magnets form magnet magnetic poles, portions of the rotor core form virtual magnetic poles, and a number of magnetic poles including the magnet magnetic poles and the virtual magnetic poles is P. The blower includes a stator that surrounds the rotor from outside in a radial direction about the central axis and includes S slots arranged in a circumferential direction about the central axis, and N blades that are attached to the shaft and arranged in the circumferential direction. A combination of the number P of magnetic poles and the number S of slots is one of P=8 and S=9, P=10 and S=9, P=10 and S=12 and P=14 and S=12. The number N of blades is an integer greater than or equal to 2 and less than or equal to 10 excluding integral multiples of P/2.

Abstract: Provided is a VMP aluminum slurry that can satisfy metallic texture achieving high designability and demand characteristics of adhesion level with a base material. It has been found that when a coating material formed using a VMP aluminum slurry containing a specific dicarboxylic acid is made into a coating film, the adhesion with a base material is particularly excellent, and the VMP aluminum slurry of the present invention has been completed. The VMP aluminum slurry contains a dicarboxylic acid having an octanol/water partition coefficient (log Pow) of ?1 to 1 and a carbon chain of 2 to 5 carbon atoms between two carboxy groups, a VMP (vacuum metallized pigment) aluminum pigment, and a solvent.

Abstract: A light-emitting element array includes a semiconductor substrate that is rectangular, a plurality of light-emitting elements on the semiconductor substrate in a row along a first long side of the semiconductor substrate, a plurality of electrode pads on the semiconductor substrate in a plurality of rows along a second long side of the semiconductor substrate, and a plurality of wires on the semiconductor substrate to connect the plurality of light-emitting elements to the plurality of electrode pads. The plurality of electrode pads in the plurality of rows includes a first electrode pad in a row of the plurality of rows closest to the second long side and having a larger area than a second electrode pad in another row of the plurality of rows.

Abstract: An electric motor includes: a rotor including a first rotor core and a second rotor core; and a stator. A minimum distance from the first rotor core to the stator is shorter than a minimum distance from the second rotor core to the stator. A maximum radius of the first rotor core is longer than a maximum radius of the second rotor core. A shape of a first thin-wall part of the first rotor core and a shape of a second thin-wall part of the second rotor core are the same.

Abstract: A stator includes a stator core having a core back in an annular shape about an axis, and a nonmagnetic mold resin part surrounding the stator core from outside in a radial direction about the axis. The stator core has a core-back gap passing in the radial direction through at least a part of the core back in a circumferential direction about the axis. The mold resin part reaches an inner side of the core back in the radial direction from an outer side of the core back in the radial direction through the core-back gap.

Abstract: A rotor includes a rotary shaft, a rotor core including a first core part and a second core part arranged to adjoin each other in a circumferential direction, and a permanent magnet provided in the first core part. A virtual magnetic pole is formed in the second core part. The first core part includes a cavity portion formed on an inner side in a radial direction of the rotor core relative to the permanent magnet. The cavity portion includes a first portion whose width in the circumferential direction increases toward the rotary shaft. A surface defining the cavity portion, being located on an innermost side of the cavity portion in the radial direction and facing outward in the radial direction is located on the inner side in the radial direction relative to an innermost portion of the second core part in the radial direction.

Abstract: A rotor is a consequent pole rotor. The rotor includes a first magnetic pole region functioning as a first magnetic pole, a second magnetic pole region functioning as a second magnetic pole that is a pseudo-magnetic pole, a shaft disposed in a shaft insertion hole, and a nonmagnetic member coupling the shaft to the rotor core. The nonmagnetic member includes a beam extending from the shaft to the second magnetic pole region.

Abstract: A mechanism that enables developer replenishment by a simpler structure and a mechanism that enables more user-friendly developer replenishment are provided. An attachment port to which a developer supply bottle containing a developer stored therein is detachably attachable is disposed in an interior of an image forming apparatus. The developer supply bottle can be attached when the cover is in an open state. According to this image forming apparatus, when the developer supply bottle is attached to the attachment port, the developer inside the developer supply bottle moves into a developer housing chamber by its own weight.

Abstract: A motor has a rotor, a stator surrounding the rotor, a reinforcing member, and a mold resin part covering the stator and the reinforcing member. The tensile strength of the reinforcing member is higher than the tensile strength of the mold resin part.

Abstract: An outdoor unit includes a motor and a heat exchanger. The motor includes a rotor, a stator, and a heat dissipation member. The rotor is rotatable about an axis, and has a rotor core and a permanent magnet attached to the rotor core. The permanent magnet forms a magnet magnetic pole. A part of the rotor core forms a virtual magnetic pole. The stator surrounds the rotor from outside in a radial direction about the axis. The heat dissipation member is disposed on a side of the stator in a direction of the axis. The heat exchanger is disposed to face the heat dissipation member in the direction of the axis.

Abstract: A motor includes a rotor and a stator. In a plane orthogonal to an axis direction of the rotor, the motor satisfies W2<W1<M1, and T1<W1<T1+2×T2, where M1 is a width of a surface of a permanent magnet, W1 is a maximum width of a portion of an inner wall of a first magnet insertion hole in contact with the surface, W2 is a minimum width from the first magnet insertion hole to a second magnet insertion hole, T1 is a width of a first front end surface of a first tooth, and T2 is a width from the first front end surface to a second front end surface of a second tooth.