Abstract: An image forming apparatus includes an apparatus main body that includes an image formation unit forming an image on a recording material, a fixation unit that includes a fixing unit fixing the image formed by the image formation unit onto the recording material and that is attachable to and detachable from the apparatus main body, a first duct that is attached to the fixation unit to face the fixing unit and through which a gas that cools the fixing unit flows, and a second duct that is attached to the apparatus main body to be adjacent to the first duct and through which a gas that cools the fixing unit flows.

Abstract: A detection device detecting collapse of PM collected in a filter provided in an exhaust system flow path of an internal combustion engine includes: a differential pressure sensor configured to acquire a differential pressure between an exhaust inlet side and an exhaust outlet side of the filter; a water generation determination unit configured to determine whether water is generated in the exhaust system flow path; and a PM collapse determination unit configured to determine that at least a part of the PM collected in the filter has collapsed when a PM accumulation amount estimated based on the acquired differential pressure has increased by a predetermined amount or more within a predetermined period in a state where the PM accumulation amount estimated based on the acquired differential pressure is equal to or larger than a predetermined first threshold and the water generation determination unit has determined that water is generated.

Abstract: A bearing condition monitoring device is a bearing condition monitoring device for monitoring a condition of a thrust bearing for holding a rotational shaft in a thrust direction. The bearing condition monitoring device includes a first temperature sensor for measuring a temperature of the thrust bearing, and an arithmetic device for counting a frequency at which an evaluation index of a thrust load on the basis of a measurement value by the first temperature sensor exceeds an allowable value, and for outputting an abnormality in the condition of the thrust bearing if the counted frequency exceeds a threshold. The arithmetic device may count, as the frequency, only a case where a state in which the thrust load exceeds an upper limit load continues for not less than a predetermined time.

Abstract: A powder conveying device includes a first conveying component through which gas containing powder is to be conveyed; a second conveying component to which a downstream end of the first conveying component is connected and through which the gas received from the first conveying component is to be conveyed, the second conveying component extending in a second gas conveying direction that intersects a first gas conveying direction defined by the first conveying component; a third conveying component extending from the second conveying component and through which the gas received from the second conveying component is to be conveyed, the third conveying component extending in a third gas conveying direction that intersects the second gas conveying direction; a fourth conveying component to which a downstream end of the third conveying component is connected and through which the gas received from the third conveying component is to be conveyed, the fourth conveying component extending in a fourth gas conveying d

Abstract: A developing device includes: a container that contains developer; a developer holder that rotates with the developer being held on a surface thereof to transport the developer to a developing region; and a cooling unit. An introduction port is provided at a position corresponding to the developing region, the introduction port allowing suction of a floating substance generated in the developing region in a transverse direction of the container. The cooling unit is connected to the introduction port to allow passage of gas containing the floating substance in a longitudinal direction of the container, and cools the container with the gas. An intake port is connected to an end of the cooling unit in the longitudinal direction, the intake port allowing introduction of gas.

Abstract: An information processing device includes an associator, an extractor, and an outputter. The associator is configured to associate each of a series of pieces of history data related to at least any of deposits and withdrawals of a user with any of a plurality of behaviors related to an economic activity of the user. The extractor is configured to extract an inducement destination candidate according to behavioral characteristics of the user based on changes along a time series of each of the plurality of behaviors. The outputter is configured to output information indicating the extracted inducement destination candidate to a predetermined output destination.

Abstract: A piezoelectric bulk wave device includes a piezoelectric substrate including a support including a silicon substrate and a piezoelectric layer on the support, first and second wire electrodes on the piezoelectric substrate, and a functional electrode on the piezoelectric layer, connected to at least one of the first and second wire electrodes, and including multiple electrodes. At least two of the first and second wire electrodes, and the multiple electrodes include first and second electrode films connected to different potentials. A plane orientation of the silicon substrate is (111), and ? in Euler angles (?, ?, ?) of the silicon substrate is an angle within a range of about 10°+120°×n???about 50°+120°×n or about 70°+120°×n???about 110°+120°×n, where n is any integer.

Abstract: An image forming apparatus, for forming an image with a fixing unit that fixes a toner image to a recording material and with a first transport path, includes: a first guide unit that guides one side of a recording material discharged from the fixing unit and transported through the first transport path; a second guide unit that guides the other side of the recording material transported thorough the first transport path; a blowing part through which gas is sent to the one side of the recording material transported through the first transport path; and a gas guiding part that faces the second guide unit with the first transport path interposed between the gas guiding part and the second guide unit and that guides, in a direction away from the first transport path, gas that is sent from the blowing part and whose traveling direction is changed by a recording material.

Abstract: An acoustic wave device includes a support substrate with a thickness in a first direction, a piezoelectric layer above or below the support substrate, and a functional electrode on the piezoelectric layer. A space is between the support substrate and the piezoelectric layer to least partially overlap the functional electrode in a plan view in the first direction. At least one through-hole extends through the piezoelectric layer, communicates with the space, and is inside an outer edge of the space in a plan view in the first direction.

Abstract: An acoustic wave device includes a piezoelectric layer including a first major surface and a second major surface facing each other, a functional electrode on at least one of the first major surface and the second major surface of the piezoelectric layer, and a support substrate laminated on the second major surface side of the piezoelectric layer. An air gap is provided between the support substrate and the piezoelectric layer. At least a portion of the functional electrode overlaps the air gap as seen in a lamination direction of the support substrate and the piezoelectric layer. A through-hole penetrates the piezoelectric layer and reaches the air gap. A protrusion is provided in a region of an outer edge of the through-hole in the first major surface of the piezoelectric layer and is more protruded than a region where the through-hole is not provided.

Abstract: An acoustic wave device includes a support substrate, a piezoelectric layer, a functional electrode, a first trace, a second trace, and an attenuation layer. The piezoelectric layer is located on the support substrate and includes first and second main surfaces on opposite sides. The functional electrode is located on the first or second main surface of the piezoelectric layer. The first trace is located on the piezoelectric layer and connected to the functional electrode. The second trace is located on the piezoelectric layer and faces the first trace. The first and second traces are connected to different potentials. The attenuation layer is located between the first trace and the second trace when viewed in plan. The attenuation layer is made of a dielectric material lower in density than the piezoelectric layer.

Abstract: A filter device 2 is provided with: a filter body 3 equipped with a filtering material 30; and a mesh-like filter cover 5 that is mounted to the filter body 3 in such a manner as to cover at least part of a filtering surface 32 of the filtering material 30. The filter cover 5 is provided with: a purification part 50 which includes multiple layers formed by folding a single sheet of metal mesh material and which has a rectangular shape that is substantially identical to that of the filtering surface 32 in a plan view; and a first leg 51 and a second leg 52 which intersect with the purification part 50 in a side view. The metal mesh material has a finely corrugated surface formed thereon. The entire outer peripheral edge 59 of the filter cover 5 is completely fitted within the filtering surface 32.

Abstract: An acoustic wave device defining a filter device having a pass band, includes a laminated substrate including first and second layers, a piezoelectric layer laminated on the first layer, and an excitation electrode on the piezoelectric layer. The first layer is a dielectric layer and is included in an intermediate layer laminated on the piezoelectric layer. A thickness of the first layer is defined as td, and combinations of a magnitude relationship of acoustic impedances of the piezoelectric layer and the first and second layers, and the thickness td are as shown in Table 1: TABLE 1 Magnitude Relationship of Acoustic Impedance Zp > Zd Zp < Zd Zs > Zd td = n (1/2) ? td = (2n ? 1) (1/4) ? Zs < Zd td = (2n ? 1) (1/4) ? td = n (1/2) ?.

Abstract: An acoustic wave device is provided that includes a support substrate, a piezoelectric layer on the support substrate, a first electrode and a second electrode on the piezoelectric layer in a lamination direction of the support substrate and the piezoelectric layer, the first and the second electrodes are opposed in a first direction that intersects with the lamination direction; and a space that defines either a cavity in a portion of the support substrate or an air gap between the support substrate and the piezoelectric layer. A portion of each of the first and the second electrodes overlaps the space in a plan view in the lamination direction. A first roughness of a major surface of the support substrate, opposite from the piezoelectric layer, is greater than a second roughness of a major surface of the piezoelectric layer on which the first and second electrodes are located.

Abstract: A combustor includes: a combustion cylinder; and a combustion-chamber forming member disposed so as to be at least partially inserted into the combustion cylinder and forming a combustion chamber with the combustion cylinder. A radial-direction gap for introducing film air is formed between the combustion cylinder and the combustion-chamber forming member. A gas turbine includes a combustor; a compressor for generating compressed air; and a turbine configured to be rotary driven by combustion gas from the combustor.

Abstract: An acoustic wave device includes a support substrate, a piezoelectric layer on the support substrate, functional electrodes on the piezoelectric layer, and first and second electrode films positioned on the piezoelectric layer to face each other and having different potentials from each other. A thickness of the piezoelectric layer in at least a portion of a first region overlapping the first electrode film in plan view is different from a thickness of the piezoelectric layer in at least a portion of a second region not overlapping the first electrode film in plan view.

Abstract: A block-copolymer pellet having 100 parts by weight of a pellet-shaped article of a block copolymer (A) and 0.01 to 5 parts by weight of a hydrocarbon-based dusting agent (B) is provided, wherein the block copolymer (A) has at least one aromatic vinyl polymer block and at least one conjugated diene polymer block, the hydrocarbon-based dusting agent (B) has a BET specific surface area of 0.50 to 3.00 m2/g, a volume average particle size of 2.0 to 20 ?m, a bulk density of 0.10 to 0.34 g/cm3, and a melting point of 75° C. or higher, and the block-copolymer pellet has a Shore A hardness of 10 to 80, and a BET specific surface area of 0.001 to 0.05 m2/g measured by a Kr adsorption method.

Abstract: An acoustic wave device includes a piezoelectric film and an IDT electrode on the piezoelectric film. The IDT electrode includes first and second busbars, at least one first electrode finger, and at least one second electrode finger. When an overlap region is defined as a region in which the first and second electrode fingers overlap each other in an acoustic wave propagation direction, points A2, B2, C2, and D2, defined as follows, are all outside the cavity when, at the points A2, B2, C2, and D2, xa>about 25 ?m, ya>about 25 ?m, xb>about 25 ?m, yb>about 25 ?m, xc>about 25 ?m, yc>about 25 ?m, xd>about 25 ?m, and yd>about 25 ?m.

Abstract: A slide bearing is made of synthetic resin and has an upper case, a lower case combined with the upper case, and an annular center plate placed between the upper case and the lower case so as to allow relative rotation between the upper case and the lower case. The center plate is integrally formed with the lower case. A joining surface of the lower case that joins to the center plate has a grip part, and the joining surface of the center plate has a grasp on the grip part.

Abstract: A bearing condition monitoring device is a bearing condition monitoring device for monitoring a condition of a thrust bearing for holding a rotational shaft in a thrust direction. The bearing condition monitoring device includes a first temperature sensor for measuring a temperature of the thrust bearing, and an arithmetic device for counting a frequency at which an evaluation index of a thrust load on the basis of a measurement value by the first temperature sensor exceeds an allowable value, and for outputting an abnormality in the condition of the thrust bearing if the counted frequency exceeds a threshold. The arithmetic device may count, as the frequency, only a case where a state in which the thrust load exceeds an upper limit load continues for not less than a predetermined time.