Abstract: A wire-wound coil component is an electronic component including a core main body, such as a molded body, containing a magnetic powder resin in which a resin serves as a binder, and an oxide film covering at least a portion of the surface, such as the lower surface, of the core main body. The electronic component further includes an external electrode including a base layer formed on the surface of the oxide film. The base layer is a metal layer having high affinity for oxygen.

Abstract: A wire coil component includes a shaped article, a wire wound around the shaped article, and terminal electrodes to which the ends of the wire are connected. The shaped article is formed from a magnetic resin containing a binder resin and a magnetic metal powder and has a thermal expansion coefficient of about 12 ppm/K or more and about 16 ppm/K or less (i.e., from about 12 ppm/K to about 16 ppm/K) from ?55° C. to 150° C.

Abstract: A thrust bearing device is provided with: a rotational shaft; a collar member fitted to the rotational shaft and having a first thrust surface; and a thrust member having an insertion hole into which the rotational shaft is inserted and a second thrust surface which is disposed around the insertion hole and faces the first thrust surface of the collar member. The first thrust surface is configured to be inclined with respect to a plane perpendicular to an axis of the rotational shaft so that a distance between the first thrust surface and the second thrust surface periodically increases and decreases with rotation of the rotational shaft.

Abstract: A stopping apparatus includes a drum that rotates in a first rotation direction during opening of a back door and rotates in a second rotation direction during closing of the back door; a locking member that shifts between a locking position where the locking member prevents the rotation of the drum in the first rotation direction and an unlocking position where the locking member allows the rotation of the drum in the first rotation direction; and a shifting mechanism to shift a position of the locking member from the unlocking position to the locking position when a shifting operation is performed in a situation where the locking member is located at the unlocking position, and maintain the position of the locking member at the locking position when the shifting operation is performed in a situation where the locking member is located at the locking position.

Abstract: A bearing device includes a rotary part which is configured to be rotatable about a rotational axis and has a rotary surface intersecting the rotational axis, and a stationary part which has a stationary surface facing the rotary surface. One of the rotary surface or the stationary surface includes a bearing surface part for forming a bearing oil film. The rotary surface includes a first inner circumferential region, and a first outer circumferential region facing the stationary surface on a radially outer side of the bearing surface part and having higher oleophobicity than the first inner circumferential region.

Abstract: A thrust bearing device is provided with: a rotational shaft; a collar member fitted to the rotational shaft and having a first thrust surface; and a thrust member having an insertion hole into which the rotational shaft is inserted and a second thrust surface which is disposed around the insertion hole and faces the first thrust surface of the collar member. The first thrust surface is configured to be inclined with respect to a plane perpendicular to an axis of the rotational shaft so that a distance between the first thrust surface and the second thrust surface periodically increases and decreases with rotation of the rotational shaft.

Abstract: A bearing device includes a rotary part which is configured to be rotatable about a rotational axis and has a rotary surface intersecting the rotational axis, and a stationary part which has a stationary surface facing the rotary surface. One of the rotary surface or the stationary surface includes a bearing surface part for forming a bearing oil film. The rotary surface includes a first inner circumferential region, and a first outer circumferential region facing the stationary surface on a radially outer side of the bearing surface part and having higher oleophobicity than the first inner circumferential region.

Abstract: The present invention improves the drainability of lubricating oil at a thrust bearing. The present invention comprises: a rotating shaft; a thrust bearing that is provided to the rotating shaft and restricts the axial-direction movement of the rotating shaft; and an oil reservoir part (20) that has formed therein an oil reservoir space (20a) that is provided to be adjacent to the thrust bearing in the axial direction and to open downward, the oil reservoir space (20a) having formed therein an inclined surface (20aa) that, in a region that is in and below a horizontal plane H that passes through the center of the rotating shaft, protrudes to the thrust bearing side and is inclined along the rotational direction of the rotating shaft.

Abstract: Provided are: a lubricating device for a bearing; and an exhaust turbosupercharger, wherein a bearing device (36) is provided with a housing (15) with a hollow shape, and journal bearings (21, 22) which rotatably support a rotary shaft (14) arranged inside the housing (15), the bearing device (36) being further provided with: a third feeding passage (43) and a fourth feeding passage (44) through which lubricant is fed toward outer circumferential surfaces (21b, 22b) of the journal bearings (21, 22); a sixth feeding passage (46) through which lubricant is fed toward a space section (16A) between the journal bearings (21, 22); and a guide section which guides, toward inner circumferential surfaces (21c, 22c) of the journal bearings (21, 22), the lubricant fed from the sixth feeding passage (46) to the space section (16A).

Abstract: This turbocharger includes a rotating shaft extending along an axis, a turbine wheel provided at a first end portion of the rotating shaft, a compressor wheel provided at a second end portion of the rotating shaft, a housing accommodating at least a portion of the rotating shaft, bearings provided in the housing and configured to support the rotating shaft, supply flow paths supplying lubricating oil to the bearings, a discharge oil chamber formed in the housing and to which the lubricating oil is discharged from the bearings, and an oil drainage port formed below the discharge oil chamber, in which at least one of the discharge oil chamber and the oil drainage port is formed to be asymmetric between a first region and a second region defined by a vertical plane including the axis of the rotating shaft as a boundary plane.

Abstract: An image forming apparatus includes a main body of an apparatus, a door, an image forming unit, a sensor that outputs a predetermined signal when the door is opened, and a control unit that determines that the door is open if the predetermined signal is output from the sensor for a threshold time. When the door is opened, the image forming unit changes to a state where image formation is not executable. The control unit sets a first time as the threshold time, in a period in which the image forming unit contributes to image formation on a recording material. The control unit sets a second time longer than the first time as the threshold time, in a period in which the image forming unit does not contribute to image formation on a recording material or a period in which no image is formed on a recording material.

Abstract: A turbocharger according to an embodiment of the present invention includes a rotating shaft, a compressor, a turbine, a compressor-side floating bearing and a turbine-side floating bearing that rotatably support the rotating shaft, and a bearing housing that houses the compressor-side floating bearing and the turbine-side floating bearing, the bearing housing being internally provided with a turbine-side oil feeding passage through which oil to be fed to the turbine-side floating bearing flows and a compressor-side oil feeding passage through which oil to be fed to the compressor-side floating bearing flows. A ratio of an oil feeding pressure for oil at an outlet of the compressor-side oil feeding passage to an oil feeding pressure for oil at an outlet of the turbine-side oil feeding passage is configured to be higher than 1.0 and lower than 1.5.

Abstract: An image forming apparatus includes a main body of an apparatus, a door, an image forming unit, a sensor that outputs a predetermined signal when the door is opened, and a control unit that determines that the door is open if the predetermined signal is output from the sensor for a threshold time. When the door is opened, the image forming unit changes to a state where image formation is not executable. The control unit sets a first time as the threshold time, in a period in which the image forming unit contributes to image formation on a recording material. The control unit sets a second time longer than the first time as the threshold time, in a period in which the image forming unit does not contribute to image formation on a recording material or a period in which no image is formed on a recording material.

Abstract: The present invention improves the drainability of lubricating oil. The present invention comprises: a rotating shaft (14); a journal bearing that is provided to the rotating shaft (14) and rotationally supports the rotating shaft (14); a bearing housing part that houses the journal bearing; and a drain oil space chamber (47) that acts as an oil drainage passage that communicates with the bearing housing part, is provided along the periphery of the rotating shaft (14), and is formed to open downward.

Abstract: An oil-drain device for a thrust bearing includes: a rotor shaft; a collar member mounted to an outer periphery of the rotor shaft; a thrust bearing supporting the rotor shaft in an axial direction; and an oil-drain space forming member defining an oil-drain space through which lubricant oil leaking from a sliding portion of the thrust bearing flows, between the thrust bearing and the oil-drain space forming member. The oil-drain space includes: an oil-drain channel defined between a first end surface of the thrust bearing and a first end surface of the oil-drain space forming member, surrounding the flange portion of the collar member; and an oil-drain port formed below the oil-drain channel, for discharging the lubricant oil flowing through the oil-drain channel outside the oil-drain space.

Abstract: Provided are: a lubricating device for a bearing; and an exhaust turbosupercharger, wherein a bearing device (36) is provided with a housing (15) with a hollow shape, and journal bearings (21, 22) which rotatably support a rotary shaft (14) arranged inside the housing (15), the bearing device (36) being further provided with: a third feeding passage (43) and a fourth feeding passage (44) through which lubricant is fed toward outer circumferential surfaces (21b, 22b) of the journal bearings (21, 22); a sixth feeding passage (46) through which lubricant is fed toward a space section (16A) between the journal bearings (21, 22); and a guide section which guides, toward inner circumferential surfaces (21c, 22c) of the journal bearings (21, 22), the lubricant fed from the sixth feeding passage (46) to the space section (16A).

Abstract: The present invention improves the drainability of lubricating oil at a thrust bearing. The present invention comprises: a rotating shaft; a thrust bearing that is provided to the rotating shaft and restricts the axial-direction movement of the rotating shaft; and an oil reservoir part (20) that has formed therein an oil reservoir space (20a) that is provided to be adjacent to the thrust bearing in the axial direction and to open downward, the oil reservoir space (20a) having formed therein an inclined surface (20aa) that, in a region that is in and below a horizontal plane H that passes through the center of the rotating shaft, protrudes to the thrust bearing side and is inclined along the rotational direction of the rotating shaft.

Abstract: The present invention relates to a bearing device comprising: a rotating shaft (14); journal bearings (21, 22) in each of which the outer circumferential surface and the inner circumferential surface do not communicate with one another, the journal bearings being provided to the rotating shaft (14) and rotatably supporting the rotating shaft (14) at at least two sites in the axial direction; a bearing housing (16) that forms a space (16A) for housing the journal bearings (21, 22); a third supply passage (43) and a fourth supply passage (44) which are outer circumferential surface-side lubricating oil supply passages that respectively communicate, in the space (16A), with locations of the outer circumferential surface of the respective journal bearings (21, 22); and a sixth supply passage (46) which is an intermediate-section lubricating oil supply passage that communicates, in the space (16A), with a location between the journal bearings (21, 22).

Abstract: The present invention improves the drainability of lubricating oil. The present invention comprises: a rotating shaft (14); a journal bearing that is provided to the rotating shaft (14) and rotationally supports the rotating shaft (14); a bearing housing part that houses the journal bearing; and a drain oil space chamber (47) that acts as an oil drainage passage that communicates with the bearing housing part, is provided along the periphery of the rotating shaft (14), and is formed to open downward.

Abstract: This turbocharger includes a rotating shaft extending along an axis, a turbine wheel provided at a first end portion of the rotating shaft, a compressor wheel provided at a second end portion of the rotating shaft, a housing accommodating at least a portion of the rotating shaft, bearings provided in the housing and configured to support the rotating shaft, supply flow paths supplying lubricating oil to the bearings, a discharge oil chamber formed in the housing and to which the lubricating oil is discharged from the bearings, and an oil drainage port formed below the discharge oil chamber, in which at least one of the discharge oil chamber and the oil drainage port is formed to be asymmetric between a first region and a second region defined by a vertical plane including the axis of the rotating shaft as a boundary plane.