Abstract: A method of manufacturing a stator core, the stator core that includes core pieces arranged in a circumferential direction about a central axis that extends in an up-down direction, the core pieces formed by stacking plate members, the plate members each including a core back portion extending in the circumferential direction, a tooth portion extending from the core back portion towards a first side in a radial direction, and a groove portion recessed from a surface on a second side of the core back portion in the radial direction towards the first side in the radial direction, the method of manufacturing the stator core including stamping out an individual piece including the core back portion and the tooth portion stamped out from an electromagnetic steel sheet, and forming the groove portion formed by punching a portion of the electromagnetic steel sheet.

Abstract: A motor includes a rotor that rotates centered on a central axis extending in an axial direction, and a stator. The stator includes a stator iron core in which a plurality of laminated iron cores each including a tooth portion extending in a radial direction are arranged in a circumferential direction, and coils wound around the tooth portion. The laminated iron core includes a plurality of flat plate-shaped iron core pieces laminated in a plate thickness direction. The iron core piece is made of a non-oriented electromagnetic steel plate. A rolling direction of the iron core piece is inclined with respect to the radial direction. The laminated iron core is preferably formed by laminating the iron core pieces to be arranged with a same inclination. At least a pair of the laminated iron cores adjacent to each other in the circumferential direction has inclinations opposite to each other.

Abstract: Provided are a vaned diffuser and a blower, fluid machine, or electric blower provided with the same, which can achieve both low noise and high efficiency by suppressing mixing loss of standing waves occurring in overlapping sections formed by diffuser vanes, and the main flow in the overlapping sections. The vaned diffuser includes a partition plate, a plurality of vanes provided on one surface side of the partition plate, and a plurality of overlapping sections formed to be sandwiched between the partition plate and adjacent vanes among the plurality of vanes. The partition plate has two holes in a direction orthogonal to each of the overlapping sections, and is provided with a flow path that connects a hole on the inner side in the radial direction among the two holes with a hole on the outer side in the radial direction among the two holes in the adjacent overlapping section.

Abstract: A casing includes a first plate made of a metal, a support made of a resin, and a second plate fixed to the support. The first plate includes a flat plate portion, a through hole passing through the flat plate portion, and a claw portion extending upward from an edge of the through hole. A portion of the support is located in the through hole. The support covers a portion of the claw portion such that the support is prevented from turning and from coming off in an upward direction. The claw portion is defined by a portion of the first plate extending along a longest line segment inside the through hole in a plan view being bent upward from the flat plate portion. This enables the claw portion to have a great length even in a small area of the first plate to securely fix the support to the first plate.

Abstract: A motor includes a metal base plate and a resin holder extending upward from the base plate. The base plate includes a flat plate portion, a through hole passing through the flat plate portion, and a plurality of claw portions extending upward from an edge of the flat plate portion which includes the through hole. A portion of the holder is in the through hole. The holder covers a portion of each claw portion. The holder is thus engaged with each claw portion to prevent the holder from turning around a rotation axis and from coming off in an upward direction. The holder includes a gate mark near a lower surface of the flat plate portion and at a circumferential position between adjacent ones of the claw portions to make it easier for the resin to fill a cavity inside molds during a molding process.

Abstract: Provided is an abnormality prediction system and an abnormality prediction method that are capable of predicting an abnormality occurring in a die that is used in a press machine.

Abstract: A manufacturing method comprising: a process S1 of forming a plate member which has a substantially annular scrap portion having a center hole through an axial direction and a core plate portion defining a portion of the core pieces arranged continuously with the scrap portion on a radially inner side of the scrap portion; a process S2 of forming a laminated body, which has the core pieces, by laminating the plate member; a process S3 of providing the laminated body and the shaft in a mold; a process S4 of forming a molding body by inserting a molten resin or a nonmagnetic material in the mold and forming the filling portion of which at least a portion is located between the core pieces; and a process S5 of separating the scrap portion and the core plate portion.

Abstract: An air cleaning apparatus capable of predicting a breakthrough time of a filtering portion is provided. Regarding a mask 1 as one example of the air cleaning apparatus, data on concentration of the poisonous gas element with which in ambient air (40) is contaminated on the upstream side of a filtering portion (3), a flow rate of the air (40) passing through the filtering portion (3), a temperature of the air (40), and relative humidity of the air (40) are input to an arithmetic processing unit (25). A breakthrough-time prediction formula in which the concentration, the flow rate, the temperature, and the relative humidity are provided as variables is programmed in the arithmetic processing unit (25), and the breakthrough time of the filtering portion (3) is calculated through the prediction formula, based on the data on the concentration and the like.

Abstract: The present invention provides a modified atrial natriuretic peptide that exhibits prolonged duration in blood and maintains cGMP elevating activity. The present invention provides a modified peptide in which at least one sugar substance is linked directly through a glycosidic bond or via a linker structure to at least one hANP peptide, or a pharmaceutically acceptable salt thereof, a medicament comprising the modified peptide or the salt thereof as an active ingredient, etc.

Abstract: A casing includes a first plate made of a metal, a support made of a resin, and a second plate fixed to the support. The first plate includes a flat plate portion, a through hole passing through the flat plate portion, and a claw portion extending upward from an edge of the through hole. A portion of the support is located in the through hole. The support covers a portion of the claw portion such that the support is prevented from turning and from coming off in an upward direction. The claw portion is defined by a portion of the first plate extending along a longest line segment inside the through hole in a plan view being bent upward from the flat plate portion. This enables the claw portion to have a great length even in a small area of the first plate to securely fix the support to the first plate.

Abstract: A motor includes a metal base plate and a resin holder extending upward from the base plate. The base plate includes a flat plate portion, a through hole passing through the flat plate portion, and a plurality of claw portions extending upward from an edge of the flat plate portion which includes the through hole. A portion of the holder is in the through hole. The holder covers a portion of each claw portion. The holder is thus engaged with each claw portion to prevent the holder from turning around a rotation axis and from coming off in an upward direction. The holder includes a gate mark near a lower surface of the flat plate portion and at a circumferential position between adjacent ones of the claw portions to make it easier for the resin to fill a cavity inside molds during a molding process.

Abstract: An optical scanning device includes movable mirror (21) reflecting a light beam applied thereto, first beam (22) joined to an end of movable mirror (21), second beam (23) joined to another end of movable mirror (21), first piezoelectric element (11) generating stress or swinging movable mirror (21) through first beam (22), and second piezoelectric element (12) generating stress for swinging movable mirror (21) through first beam (22). First and second piezoelectric elements (11, 12) have respective patterns whose longitudinal directions are aligned with a longitudinal direction of first beam (11). First and second piezoelectric elements (11, 12) are disposed on a support plate (3) which is joined to the first and second beams (22 23) and with an insulative distance being present between first and second piezoelectric elements (11, 12).

Abstract: Optical scanning device 1 according to the present invention includes: main movable portion 10; a pair of torsionally deformable main torsion beams 21 and 22 arranged opposite to each other at both ends of main movable portion 10 and swingably supporting main movable portion 10; and main driving unit 30 that drives main movable portion 10 to oscillate. Main movable portion 10 includes mirror unit 11 having reflection surface 11a for reflecting light, and a pair of permanent magnets 12 and 13 arranged opposite to each other to sandwich mirror unit 11, each permanent magnet extending along oscillation axis X-X of main movable portion 10. Main driving unit 30 includes yoke unit 31, 32, and 33 arranged along oscillation axis X-X of main movable portion 10 to surround permanent magnets 12 and 13, and coil 34 wound on yoke unit 31, 32, and 33 and configured to be energized to magnetize yoke unit 31, 32, and 33, thereby generating magnetic fields to be applied on permanent magnets 12 and 13.

Abstract: A magnetic force drive device (7) has the first movable part (100) and the first driving unit (200). The first movable part (100) has the first movable plate (111), and a permanent magnet (120) that is magnetized in a direction substantially parallel to the first movable plate (111), and is supported by the first frame body (112) and the first pair of beam parts (113), so as to be able to oscillate around the Y axis, which is substantially parallel to the first movable plate (111) and substantially perpendicular to the direction in which the permanent magnet (120) is magnetized. The first driving unit (200) has a yoke (210), and a coil (220) that magnetizes the yoke (210). The yoke (210) has the first end part (211a), and a second end part (212a) that is placed on substantially the opposite side of the first end part (211a) against one magnetic pole of the permanent magnet (120).

Abstract: An optical scanning device of the present invention includes: an oscillating mirror that reflects incident light; a first beam unit that is coupled to one end of the oscillating mirror; a second beam unit that is coupled to another end of the oscillating mirror; a first driving unit that is coupled to the first beam unit, is disposed between the first beam unit and the first adjusting unit, and that causes the oscillating mirror to oscillate; and a first adjusting unit that is coupled to the first driving unit, and adjusts a modulus of elasticity of the first beam unit by elastically deforming the first beam unit.

Abstract: Provided are a compound having an excellent hypoglycemic action, or a pharmaceutically acceptable salt thereof, and a pharmaceutical composition having an excellent therapeutic effect and/or prophylactic effect on type 1 diabetes, type 2 diabetes, and the like, which cause an increase in the blood sugar level due to abnormal sugar metabolism. A compound represented by general formula (I), or a pharmaceutically acceptable salt thereof, is disclosed.

Abstract: A magnetic memory cell 1 is provided with a magnetic recording layer 10 which is a ferromagnetic layer and a pinned layer 30 connected with the magnetic recording layer 10 through a non-magnetic layer 20. The magnetic recording layer 10 has a magnetization inversion region 13, a first magnetization fixed region 11 and a second magnetization fixed region 12. The magnetization inversion region 13 has a magnetization whose orientation is invertible and overlaps the pinned layer 30. The first magnetization fixed region 11 is connected with a first boundary B1 in the magnetization inversion region 13 and a magnetization orientation is fixed on a first direction. The second magnetization fixed region 12 is connected with a second boundary B2 in magnetization inversion region 13 and a magnetization orientation is fixed on a second direction. The first direction and the second direction are opposite to each other.

Abstract: Provided is an optical scanning device capable of solving the problem of low driving efficiency. A pair of coupling parts 12 join both ends of movable mirror part 11 having a reflective plane that reflects light to respective supporting parts 13. Each coupling part 12 has magnet part 21 having a permanent magnet, first spring part 22 that couples magnet part 21 to supporting part 13 in an oscillatable manner, and a second spring part that couples movable mirror part 11 to magnet part 21 in an oscillatable manner. Driver 14 generates magnetic fields acting on magnet part 21 to oscillate magnetic part 21 and thereby oscillate movable mirror part 11.

Abstract: An MRAM of a spin transfer type is provided with a memory cell 10 and a word driver 30. The memory cell 10 has a magnetic resistance element 1 and a selection transistor TR having one of source/drain electrodes which is connected with one end of the magnetic resistance element 1. The word driver 30 drives a word line WL connected with a gate electrode of the selection transistor TR. The word driver 30 changes a drive voltage of the word line WL according to the write data DW to be written in the magnetic resistance element 1.

Abstract: An air cleaning apparatus capable of predicting a breakthrough time of a filtering portion is provided. Regarding a mask 1 as one example of the air cleaning apparatus, data on concentration of the poisonous gas element with which in ambient air (40) is contaminated on the upstream side of a filtering portion (3), a flow rate of the air (40) passing through the filtering portion (3), a temperature of the air (40), and relative humidity of the air (40) are input to an arithmetic processing unit (25). A breakthrough-time prediction formula in which the concentration, the flow rate, the temperature, and the relative humidity are provided as variables is programmed in the arithmetic processing unit (25), and the breakthrough time of the filtering portion (3) is calculated through the prediction formula, based on the data on the concentration and the like.