Abstract: This disclosure describes a zinc-free lubricating oil composition. The composition includes a major amount of an oil of lubricating viscosity having a kinematic viscosity at 100° C. in a range of about 1.5 to about 35 mm2/s and an anti-wear mixture having one or more ashless dispersants and an alkyl phosphonic acid having a structure given by wherein R is a C3-C20 hydrocarbyl group. The initial pH of the anti-wear mixture is between 5-9.5 as measured by ASTM D664.

Abstract: A permanent magnet rotor includes: a rotor shaft; a rotor core having, in each magnetic pole, a first and second outer through holes to make a pair and a first and second inner through holes to make a pair; and a first and second outer magnets, a first and second inner magnets housed in these respectively. An outer opening angle ?a between the first outer through hole and the second outer through hole is larger than an inner opening angle ?b between the first inner through hole and the second inner through hole. An inter-inner through hole length between the first inner through hole and the second inner through hole is larger than that between the first outer through hole and the second outer through hole.

Abstract: An interior magnet rotor includes: a rotor shaft extending in an axial direction; a rotor core including two permanent magnet housing holes that are formed in a radially outer portion of the rotor core, disposed with circumferential intervals therebetween and arranged across each d-axis; and plate-shaped permanent magnets respectively housed in the permanent magnet housing holes. The permanent magnet housing hole is communicated with an outside of an outer peripheral surface of the rotor core, and the permanent magnet housing hole includes gaps between the permanent magnet and a housing portion that houses the permanent magnet, and the gaps are filled with a filler.

Abstract: According to an embodiment, an embedded magnet rotor comprises: a rotor shaft, a rotor core having permanent magnet housing spaces; and flat plate-shaped permanent magnets. Permanent magnet housing spaces each extend more radially outward than a position where the permanent magnet is held by a magnet holding outer projection and each have a communication opening communicating with a gap space. A radial thickness of each of the two chips sandwiching the communication opening and a circumferential width of the communication opening are in such a dimensional relation as to prevent a fragment produced by break of the permanent magnet from protruding from the communication opening and coming into contact with the stator.

Abstract: According to an embodiment, an embedded magnet rotor comprises a rotor shaft, a rotor core, permanent magnets and two end plates. The rotor core has electromagnetic steel sheets laminated axially, and two permanent magnet housing holes formed in a radially outer portion of the rotor core and arranged in a V-shape across each d axis with a circumferential interval. Each end plate has smaller outside diameter than the rotor core and is arranged at axial end to prevent the permanent magnets from protruding axial outward. The permanent magnet housing holes communicate with an outer side of an outer peripheral surface of the rotor core. The electromagnetic steel sheets in regions axially near the end plates of the rotor core have connection portions for connecting the electromagnetic steel sheets mutually.

Abstract: A state determination device (10100) includes: a signal acquiring unit (1030) configured to acquire a signal corresponding to each of a plurality of electrical wiring lines constituting the electrical equipment X and indicating an energization state of each electrical wiring line in association with each electrical wiring line; and a state determination unit (1011) configured to determine an operating state of the target electrical equipment that can be distinguished by a combination of the energization states corresponding the plurality of electrical wiring lines.

Abstract: According to one embodiment, a rotating electric machine rotor includes a shaft rotating about the center axis line, a rotor core coaxially fixed to the shaft, and a polyhedral permanent magnet housed in a slot portion passing through the rotor core in a direction along the center axis line. The permanent magnet has a face portion through which adjacent magnets can face and contact each other in the slot portion in which the permanent magnet is housed. The face portion is provided with a surface layer portion having an electric resistance value that is two or more times the electric resistance value of the face portion of the permanent magnet.

Abstract: According to one embodiment, a rotary electric machine includes a stator and a rotor. In a stator iron core of the stator, tips of the teeth defining openings of the slots through which the armature windings of different phases pass include a pair of chamfers. A rotor iron core of the rotor includes a plurality of grooves the outer peripheral surface of which is concave along a central axis line. Each of the grooves forms a wave shape, and includes a first groove portion disposed in a leading side of the rotation direction and a second groove portion disposed in a trailing side of the rotation direction. The first groove portion and the second groove portion are asymmetric with respect to d-axis.

Abstract: Provided are a ball joint and a dust cover of which a seal part can be prevented from being impacted due to great swings of a ball stud. A dust cover 100 includes a deformable body part 110, a fixed part 120 provided to the body part 110 on one end side and fixed to the socket 200, and a seal part 130 provided to the body part 110 on another end side, the seal part 130 has an elastic body part provided integrally with the body part 110 and having an inner peripheral seal part 131 which is configured to slide on the outer peripheral surface of the shaft 310 and a reinforcement ring 150 embedded in the elastic body part, and a tip end surface of the reinforcement ring 150 on a knuckle 400 side is at least partly exposed from the elastic body part and is in contact with the knuckle 400.

Abstract: Noise caused by vibration of a door hole seal is reduced. A door hole seal includes a first sheet having a slit formed therein and a second sheet covering the slit from an exterior side of a vehicle. At least a specific region of the second sheet is made of a rubber-like elastic body, the specific region extending from a portion corresponding to the slit to a vertically lower end of the second sheet.

Abstract: A reference part determiner determines a reference part from a plurality of parts including at least three parts. A subject part group determiner determines a subject part group from the plurality of parts, excluding the reference part determined by the reference part determiner out of the plurality of parts as a subject part group. An acquirer acquires a change pattern of a first audio parameter value set for the reference part. A changer changes a second audio parameter value set for the subject part group determined by the subject part group determiner according to a change pattern acquired by the acquirer.

Abstract: According to one embodiment, a stator includes a stator core and a stator coil. The stator core includes an annular yoke, and a plurality of teeth each extending from an inner periphery of the yoke in a radial direction and arranged in a circumferential direction of the yoke at intervals, in which a gap between a pair of teeth adjacent to each other in the circumferential direction forms a slot extending in the radial direction. With respect to the pair of teeth and the slot, only one of the teeth includes a convex holder-shaped part which projects in the slot toward the other tooth and extends in an axial direction. The stator coil includes a plurality of linear conductors aligned in the radial direction in the slot and held in the slot by the holder-shaped part.

Abstract: Provided is a part display apparatus. The part display apparatus includes: a tab display unit configured to display a plurality of tabs respectively corresponding to a plurality of part groups; a digest information display unit configured to display, in each tab of the plurality of tabs, digest information of each part of the part group corresponding to that tab; a tab selection reception unit configured to receive selection of any one of the plurality of tabs; and a detailed information display unit configured to display a part detail screen including detailed information of the part group corresponding to the selected tab.

Abstract: A parameter control device according to an embodiment includes a value acquiring unit and a parameter output unit. The value acquiring unit acquires an indicating value of a first operation element. The parameter output unit outputs a plurality of parameter values corresponding to the acquired indicating value, based on setting information and a correspondence relation between the indicating value and a coordinate in an area defined by a plurality of coordinate axes. The setting information is for setting a relation between a plurality of parameter values and a coordinate. The plurality of parameter values being for controlling a state of content.

Abstract: The present invention generally relates to lubricating oil compositions useful for automatic transmissions, and particularly transmission oils for automotive automatic transmissions in battery electrical vehicles (BEVs), hybrid vehicles (HVs) and plug-in hybrid vehicles (PHVs). The lubricant is free of metal compounds (e.g., Ca, Mo, or Zn) and demonstrates high volume resistivity, wear protection, and copper corrosion resistance.

Abstract: Noise caused by vibration of a door hole seal is reduced. A door hole seal includes a first sheet having a slit formed therein and a second sheet covering the slit from an exterior side of a vehicle. At least a specific region of the second sheet is made of a rubber-like elastic body, the specific region extending from a portion corresponding to the slit to a vertically lower end of the second sheet.

Abstract: According to one embodiment, a rotor core of a rotor includes, in each magnetic pole, two embedding holes on sides of a d-axis, in which respective permanent magnets are loaded, respectively, and grooves formed in an outer circumferential surface in positions each including respective q-axes. When A represents a pole arc degree of the grooves along the outer circumferential surface, B represents a depth of the grooves, C represents a pole arc degree, and R represents a circumradius tangent to an outer circumference of the rotor core, each grooves is formed to satisfy relationships: 0.05<A<0.075 and 0.005<B/R<0.027.

Abstract: A reference part determiner determines a reference part from a plurality of parts including at least three parts. A subject part group determiner determines a subject part group from the plurality of parts, excluding the reference part determined by the reference part determiner out of the plurality of parts as a subject part group. An acquirer acquires a change pattern of a first audio parameter value set for the reference part. A changer changes a second audio parameter value set for the subject part group determined by the subject part group determiner according to a change pattern acquired by the acquirer.

Abstract: The present invention generally relates to lubricating oil compositions useful for automatic transmissions, and particularly transmission oils for automotive automatic transmissions and/or continuously variable transmissions using wet clutch systems, in particular wet paper clutch containing a small amount of cellulose fiber and/or aramid fiber.

Abstract: Provided is a part display apparatus. The part display apparatus includes: a tab display unit configured to display a plurality of tabs respectively corresponding to a plurality of part groups; a digest information display unit configured to display, in each tab of the plurality of tabs, digest information of each part of the part group corresponding to that tab; a tab selection reception unit configured to receive selection of any one of the plurality of tabs; and a detailed information display unit configured to display a part detail screen including detailed information of the part group corresponding to the selected tab.