According to the embodiments, a planar lighting device (1) comprises a plurality of light sources (4), respective reflectors (5) that have reflection surfaces that surround the emission sides of the plurality of light sources (4), a condenser lens (6) that is provided on the emission side of the reflectors (5) and condenses light emitted from the plurality of light sources (4), and a light distribution lens (7) that is provided on the emission side of the condenser lens (6) and causes the light distribution of light condensed by the condenser lens (6) to slant in one direction. Top parts of the reflectors (5) are offset in the one direction from the center positions of adjacent light sources (4).
Provided is a rotating device having excellent performance of cooling a heat generation source. Included are a shaft member, a rotating body having a tubular shape and rotatable about the shaft member, a bearing supporting the rotating body with respect to the shaft member, and a coupling member disposed between the bearing and the rotating body in a radial direction. The coupling member includes a ventilation channel communicating with an inside and an outside of the rotating body.
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
A spindle motor included in a hard disk drive device using a heat assisted magnetic recording method as a magnetic recording method includes a plurality of components made of metal, a rotor magnet includes a main body part and a coating film covering a surface of the main body part, and at least one of a first pore exposed to the surface and a second pore exposed to a surface of the coating film is filled with a resin material.
H02K 1/04 - Details of the magnetic circuit characterised by the material used for insulating the magnetic circuit or parts thereof
H02K 1/2788 - Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of a single magnet or two or more axially juxtaposed single magnets
H02K 15/121 - Impregnating, moulding insulation, heating or drying of windings, stators, rotors or machines of cores
H02K 21/22 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
This support structure (MUS) for supporting a body to be supported (MU) by a support body (10) in a state where the support body is not in contact with the body to be supported comprises: an annular elastic member (R); an insertion portion (ISC, ISS, ISP) inserted into the inner hole of the annular elastic member; and a holding portion (CC, CS, CP) abutting on the outer peripheral portion of the annular elastic member and holding the annular elastic member. One of the insertion portion and the holding portion is fixed to the support body, and the other is fixed to the body to be supported. In a state in which the insertion part is inserted into the inner hole and held by the holding part, the annular elastic member includes at least three compression regions pressed by the insertion portion and the holding portion and compressed in the radial direction of the annular elastic member and includes at least one non-restraint region separated from the insertion portion and/or the holding portion in the radial direction of the annular elastic member.
H02K 5/24 - CasingsEnclosuresSupports specially adapted for suppression or reduction of noise or vibrations
F16F 15/08 - Suppression of vibrations of non-rotating, e.g. reciprocating, systemsSuppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means with rubber springs
This actuator module (100) is provided with a motor unit (MU) and a support body (10) that supports the motor unit. The motor unit comprises: a motor (11) that has a motor body (111) and a shaft (112) extending from the motor body; a first gear (13) that is attached to the shaft; a second gear (15) that is engaged with the first gear; and a fixing member (120) that is fixed to the motor and fixes the position of the second gear to the motor by rotatably supporting the second gear. The support body supports the motor unit via at least one elastic member (R1-R5) having vibration absorbing capacity without being in contact with the motor unit.
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
F16H 1/16 - Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel
A planar illuminating device (1) according to an embodiment comprises a plurality of light sources (4), a first optical element (6) that is disposed on the emission side of the light sources (4) and that condenses light emitted from the plurality of light sources (4), and a fourth optical element (73) that is disposed on the emission side of the first optical element (6) and that is obtained by combining a second optical element (71) that tilts the light distribution of the light condensed by the first optical element (6) in one direction and a third optical element (72) that spreads the light condensed by the first optical element (6) in the one direction, wherein the fourth optical element (73) has a contact angle that differs in accordance with the position within a segment defined by each light source (4).
[Problem] To provide a blower that is capable of easily positioning a fan with respect to a base when fixing the fan to the base and that is excellent in workability. [Solution] This blower comprises: a base 160; first and second fans 240, 260 provided to the base 160; and a housing 100 having a ventilation passage for passing air blown out from blowout ports of the first and second fans. The base 160 has lateral projections 161 and a vertical projection 162 for regulating the positions of the first and second fans with respect to the housing 100.
This information processing method executes, by means of a computer: a process for acquiring a captured image; a process for setting detection frames with respect to a plurality of objects, including a vehicle, which are at least some of the objects appearing in the captured image, the detection frames indicating coordinate ranges in which the plurality of objects are present, respectively; a process for specifying an attribute of an object indicated by each detection frame; and a process for converting an attribute of the vehicle or of another object in accordance with the attribute of the vehicle or the other object if the detection frame of the vehicle and the detection frame of the other object are superimposed.
This motor assembly (2) comprises a shaft (200), a motor (100), and a support member (30). The shaft (200) has a first end (210) and a second end (220). The motor (100) includes a first plate (10) and a second plate (20). The support member (30) extends from the second plate (20) in a rotational axis direction of the shaft (200) and supports the second end (220) of the shaft (200). The center of gravity position is located on the second end (220) side in the rotational axis direction. The motor (100) has one surface (110) and another surface (120) facing the rotational axis direction, and a cylindrical part (130) positioned between the one surface (110) and the other surface (120) in the rotational axis direction. The first plate (10) is fixed to the one surface (110), and the second plate (20) is fixed to the other surface (120).
The present invention is provided with a stator (46), a rotor (51), and a cover (52) fixed to the rotor (51). The cover (52) is provided with one or more fins (56), and the stator (46) is disposed between the rotor (51) and the fins (56) in the rotational axis direction.
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
[Problem] To provide a blower device with which it is possible to reduce machining cost and man-hours by reducing the number of parts, and to reduce manufacturing costs. [Solution] A hot air fan 1 comprises: first and second fans 240, 260; a cover 400; a housing 100 covered with the cover 400; and a connector 500 provided to the cover 400. The cover 400 and the housing 100 form a ventilation passage, into which wind blown out from blowout ports of the first and second fans 240, 260 flows, and a connector mounting part 460, to which the connector 500 is detachably mounted, is integrally formed on the cover 400.
A radar sensor (1) is attached to a box body (100) defining a storage space (S). The radar sensor (1) is configured to detect an object (103) by irradiating the object (103) disposed in the storage space (S) with a radio wave (R) and detecting reflection of the radio wave (R) from the object (103).
A motor (1) comprises a conducting wire (28a) that forms a coil (28), and a plurality of bus bars (50A-50C), wherein the conducting wire (28a) is electrically connected to the plurality of bus bars (50A-50C), and among the plurality of bus bars (50A-50C), a stepped section (53) of a first bus bar (50C) overlaps with a portion of a second bus bar (50B) in the axial direction.
The present invention provides a structure of a rotary machine stator that makes it possible achieve high efficiency. A stator (10) comprises: a magnetic body (11) that has two surfaces (116, 117) which are orthogonal to the axial direction and a surface (113) which extends in the radial direction; insulators (12, 13) that cover the magnetic body (11); and a coil (14) that is wound so as to face the surface (113) of the magnetic body (11) that extends in the radial direction, wherein the insulators (12, 13) include a first insulator (12) and a second insulator (13), the thickness of the first insulator (12) is less than the thickness of the second insulator (13), and the first insulator (12) covers a surface (112) of the magnetic body (11) which extends in the circumferential direction, the surface (113) which extends in the radial direction, and one surface (116) among the two surfaces (116, 117) which are orthogonal to the axial direction.
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
Lighting equipment (1) according to an embodiment comprises: a substrate (3) provided with a first light source (3b) for illumination and a second light source (3c) for near-infrared light emission; and a first lens (5) having a first optical element (5b) for controlling light distribution of light from the first light source (3b) to a position corresponding to the first light source (3b), and a second optical element (5c) for controlling light distribution of light from the second light source (3c) to a position corresponding to the second light source (3c).
B60Q 3/70 - Arrangement of lighting devices for vehicle interiorsLighting devices specially adapted for vehicle interiors characterised by the purpose
B60Q 3/20 - Arrangement of lighting devices for vehicle interiorsLighting devices specially adapted for vehicle interiors for lighting specific fittings of passenger or driving compartmentsArrangement of lighting devices for vehicle interiorsLighting devices specially adapted for vehicle interiors mounted on specific fittings of passenger or driving compartments
B60W 40/08 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to drivers or passengers
F21S 2/00 - Systems of lighting devices, not provided for in main groups or , e.g. of modular construction
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
A pedal shaft (100) for a pedal-type power meter includes a hollow shaft (10) configured such that a pedal is rotatably attached to the hollow shaft (10), a strain gauge (SGX, SSG) attached to an outer peripheral surface of the hollow shaft, and a processing circuit (20) disposed at an interior space of the hollow shaft and configured to process an output from the strain gauge.
G01L 5/1627 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force using variations in ohmic resistance of strain gauges
17.
METHOD OF ADJUSTING PULSE WAVE MEASUREMENT DEVICE, PULSE WAVE MEASUREMENT SYSTEM, AND PULSE WAVE MEASUREMENT DEVICE
The present invention is a method of adjusting a pulse wave measurement device attachable to a user's wrist. The pulse wave measurement device includes: a pulse wave sensor including a strain gauge and configured to acquire pulse wave by measuring radial artery pulse; pressing part for pressing the pulse wave sensor to the radial artery; and output part for outputting a measured value of the pulse wave sensor as digital signal. The adjusting method includes: acquiring pulse wave using pulse wave sensor when the pulse wave measurement device is attached to user's wrist, and outputting measured value thus acquired, as a digital signal; comparing voltage level of the digital signal with a range previously set with respect to maximum voltage level of output part; and adjusting or instructing pressing force on pulse wave sensor in a case where voltage level of the digital signal is outside the previously set range.
[Problem] To provide an actuator for smoothly moving a moving body. [Solution] A motor 1 as an actuator comprises: a coil 31; a magnet 3 having a magnetic pole portion 12 facing the coil 31; and a magnetic fluid 5 covering the surface of the magnetic pole portion 12. The magnetic fluid 5 supports the coil 31 and the magnetic pole portion 12 so as to be relatively rotatable, so that the coil 31 and the magnet 3 can be smoothly relatively rotated.
H02K 21/24 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
A battery holding structure (20) is provided with: a holding part (31) that has a back surface part (32) that supports a back surface (3c) of a battery (3), a side surface part (33) that supports one side surface (3b) of the battery (3), and a bottom surface part (34) that supports a bottom surface (3f) of the battery (3); and a first displacement part (37) that is attached to the back surface part (32) so as to be capable of continuous relative displacement with respect to the side surface part (33) and supports the other side surface (3d) of the battery (3), or a second displacement part (41) that is supported by the back surface part (32) so as to be capable of continuous relative displacement with respect to the bottom surface part (34) and supports an upper surface (3e) of the battery (3).
H01M 50/244 - Secondary casingsRacksSuspension devicesCarrying devicesHolders characterised by their mounting method
H01M 50/267 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders having means for adapting to batteries or cells of different types or different sizes
H05K 5/02 - Casings, cabinets or drawers for electric apparatus Details
H05K 7/12 - Resilient or clamping means for holding component to structure
This diaphragm pump (100) comprises a diaphragm (7), an inclined shaft (4), and a swinging body (6). The diaphragm (7) includes: a protruding part (81) having a contact surface (82) and a side surface (83); and a thin-film part (9) that is provided so as to be connected to the side surface and support the protruding part, and that moves the protruding part to a pressing position and a non-pressing position by means of elastic deformation. The thin-film part (9) includes a curved surface part (90) and a connection tangential surface part (91) that, in a side view, extends linearly toward the side surface along a tangent of the curved surface part and is connected to the side surface at an initial position. A portion of the connection tangential surface part is formed to be thick at least at a connection position (p2) with the side surface.
F04B 45/04 - Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
This vibration actuator has: a movable stacked body including a magnet and a pair of yokes which are respectively fixed to the front surface and the rear surface of the magnet; a fixed body which has a coil and supports the movable stacked body on the inside of the coil with a pair of elastic support parts; and a pair of connection parts. While the leading ends of shaft members are in contact with the front surface or the rear surface of the magnet in openings of the pair of yokes, the pair of connection parts cause the movable stacked body to be connected to the pair of elastic support parts by clamping the pair of elastic support parts by means of a flange of the shaft members and the base end-side end surface of a cylindrical member.
B06B 1/04 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with electromagnetism
H02K 33/12 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moving in alternate directions by alternate energisation of two coil systems
A rotating body is shorter in radial direction than in axial direction. The inner circumferential surfaces of a first bearing and a second bearing are fixed at an outer circumferential surface of the shaft member. In the axial direction, the outer diameter of the shaft member is substantially the same from a part, of the shaft member, opposing the first bearing to a part, of the shaft member, opposing the second bearing, and the inner and outer diameters of the rotating body are substantially the same from an end part, of the rotating body, on the first bearing side to an end part, of the rotating body, on the second bearing side. In the axial direction, one of stators is disposed at a central part (C1) of the shaft member, one of magnets is disposed at a central part (C2) of the rotating body.
H02K 21/22 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
F16C 19/04 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
F16C 19/54 - Systems consisting of a plurality of bearings with rolling friction
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
[Problem] To provide an angle sensor in which the amount of resin in a connector housing can be reduced. [Solution] A resolver 1 is provided with a stator stack 11, a rotor, a conductor wound around the stator stack 11, a terminal pin 150 to which the conductor is connected, a connector housing 140 to which the terminal pin 150 is fixed, and a connection part 160 that connects the stator stack 11 and the connector housing 140. The terminal pin 150 is fixed inside the connection part 160, the connection part 160 has a recess 161, and the recess 161 faces the stator stack 11 in the rotation axis direction of the rotor.
G01D 5/20 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
G01D 5/12 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means
The purpose of the present invention is to improve fixation between a mirror and a sleeve in a motor. A motor (1) comprises a sleeve (20) which has a base (21) and a mirror (30) which has a bottom part (31) that is supported by the base (21) in the axial direction. In the motor (1), the inner surface (33) of the mirror (30) is inclined with respect to the outer surface (22) of the sleeve (20). In the motor (1), the inner surface (33) of the mirror (30) and the outer surface (22) of the sleeve (20) are coupled to each other with a resin (80) therebetween in the radial direction.
A vacuum generation device (1A) comprises: one or more vacuum pumps (3); check valves (23), the number of which is the same as that of the vacuum pumps (3); and fall prevention valves (24), the number of which corresponds to the number of suction pads (5) that each sucks an object by drawing in a fluid through a drawing-in port (3H) by driving of the corresponding vacuum pump (3). The fall prevention valves (24) each comprise: a valve element (241) having a first through-hole (241H) through which a fluid drawn in from the corresponding suction pad (5) is allowed to flow toward the corresponding vacuum pump (3) side; and a valve seat (242) having a second through-hole (242H) formed at a position away from the first through-hole (241H).
[Problem] To provide a stator assembly capable of simplifying the configuration of a terminal block and facilitating reduction in size of the terminal block and space saving. [Solution] A stator assembly 100 is provided with a stator stack 110, first through-holes 111a that are provided in the stator stack 110, an insulator 150 that covers the stator stack 110, and a terminal block 200 that is coupled to the insulator 150. The terminal block 200 has second through-holes 250 that penetrate in the axial direction of the stator stack 110. The second through-holes 250 and the corresponding first through-holes 111a are arranged in a mutually connected configuration. The size of the first through-holes 111a is smaller than the size of the second through-holes 250.
H02K 1/04 - Details of the magnetic circuit characterised by the material used for insulating the magnetic circuit or parts thereof
H02K 24/00 - Machines adapted for the instantaneous transmission or reception of the angular displacement of rotating parts, e.g. synchro, selsyn
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
G01D 5/20 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
Provided is a motor in which adhesion of metal powder to a sensor is prevented, for example. For example, a motor (1), comprising: a rotating shaft (S); a bracket (2) formed of a non-magnetic material; a bearing (32) that rotatably supports the rotating shaft (S) on the bracket (2); a commutator (34); a magnet (7) fixed to the rotating shaft (S); a sensor (6) arranged on one surface (2a) of the bracket (2) in the rotating shaft direction; and a brush (35) arranged on another surface (2b) of the bracket (2) in the rotating shaft direction, wherein the sensor (6) detects a magnetic flux of the magnet (7).
[Problem] To provide an angle sensor capable of fixing a stator stack while absorbing variation in thickness of the stator stack without impairing strength of a cover. [Solution] A resolver 1 comprises: a stator 100 that extends in the circumferential direction about the rotation axis direction; a rotor 30 that faces the stator 100 in the radial direction in which the distance to the center is measured; an insulator 120 that is mounted to the stator 100; a coil 126 wound on the insulator 120; a cover 50 that covers a part of the stator 100; and an O-ring 40. In the rotation axis direction, the O-ring 40 is sandwiched between the stator 100 and the cover 50.
H02K 24/00 - Machines adapted for the instantaneous transmission or reception of the angular displacement of rotating parts, e.g. synchro, selsyn
H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
H02K 11/20 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
Addressed is, as one example, a problem of further reducing a size of a torque sensor. A torque sensor includes a holder including an inner peripheral member and an outer peripheral member, a bearing disposed at the inner peripheral member, and a strain sensor. The outer peripheral member includes an elastic part, the strain sensor is attached to the elastic part, and the elastic part and the strain sensor each extend along a plane parallel to an axial direction.
An angle sensor (1) comprises a detection coil (10), an excitation coil (20), and a path (30) through which the detection coil (10) passes. The excitation coil (20) passes through the path (30).
G01D 5/20 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
A motor (1) is provided with: a conductive wire (28a) that forms a coil (28); and a metal member (46) that has a first surface (50a) that contacts the conductive wire (28a), and a second surface (51b) that overlaps the first surface (50a). The conductive wire (28a) is fitted into a groove (52) formed in the first surface (50a), and the conductive wire (28a) is crimped while being surrounded by the first surface (50a) and the second surface (51b).
A strain gauge includes a substrate, a resistor formed on the substrate, and two lines formed on the substrate and coupled to both ends of the resistor. In plan view, each of the two lines includes a first line portion arranged parallel to the resistor with a space between each of the two lines and the resistor in a grid width direction. Each of the two lines includes a first metal layer and a second metal layer laminated on the first metal layer, and an end of the second metal layer in the first line portion protrudes beyond an end of the space in a grid direction along which the resistor is disposed.
G01L 1/22 - Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluidsMeasuring force or stress, in general by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
There is provided a door latch apparatus including a control unit that drives a motor for a locking mechanism and moves a lock plate from an unlocked position to a locked position when receiving, from a lock state detecting switch, a lock switching signal indicating that the lock plate has been moved from the locked position to the unlocked position in a child lock state in which the control unit has received a child lock signal from a child lock switch.
E05B 77/26 - Functions related to actuation of locks from the passenger compartment of the vehicle preventing use of an inner door handle, sill button, lock knob or the like specially adapted for child safety
E05B 77/02 - Vehicle locks characterised by special functions or purposes for accident situations
E05B 81/16 - Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on locking elements for locking or unlocking action
A power generation device (7) comprises: a crankshaft (3); a shaft (11) that is connected to the crankshaft (3) via transmission members (8, 9); a cylindrical frame (1b) that surrounds the shaft (11); a rotor (12) that is fixed to the shaft (11); a stator (13) that surrounds the rotor (12); and a circuit board (26) that is electrically connected to the stator (13). A conductor (33) is fixed to the inner peripheral surface of the frame (1b), and the circuit board (26) and the conductor (33) are electrically connected.
A power generation device (4) is provided with a transmission member (3), a pulley (42) that meshes with the transmission member (3), a plurality of brackets (40, 41) that rotatably support the pulley (42), and a shaft (21) that transmits the rotation of the pulley (42). The plurality of brackets (40, 41) face each other across a space (44), a part of the shaft (32) is disposed in the space (44), a rotor (26) is fixed to the shaft (21), and the periphery of the rotor (26) is surrounded by a stator (27).
B62M 11/16 - Transmissions characterised by use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears built in, or adjacent to, the ground-wheel hub
B62J 6/06 - Arrangement of lighting dynamos or drives therefor
B62J 45/00 - Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
B62M 9/16 - Tensioning or adjusting equipment for chains, belts, or the like
This device (1) includes a vacuum pump (7) having a detachably attachable part (AT2); a main body (3) to which the vacuum pump (7) can be detachably attached by means of the detachably attachable part (AT2); and a dust collecting member (5) mounted on the main body (3). The main body (3) includes a first opening (31H1) positioned on the vacuum pump (7) side, a second opening (31H2) positioned on the dust collecting member (5) side, a suction passage (31) communicating between the first opening (31H1) and the second opening (31H2), a check valve (33) that is provided in the suction passage (31) and prevents a backflow of gas from the second opening (31H2) to the first opening (31H1) due to the vacuum pump (7), a solenoid valve (34) that is provided in a branch path (31d) communicating with the suction passage (31) and that is switchable between an open state in which the suction passage (31) communicates with the outside in response to a command from an external device (8) and a closed state in which the suction passage (31) is prevented from communicating with the outside, and a first filter (35) that covers the second opening (31H2). The dust collecting member (5) is provided to be detachably attachable to the main body (3) and has an internal space (5s) in which the first filter (35) can be accommodated.
The present invention stably detects an obstacle. An object detection device 200 is mounted to a vehicle V having a front door portion 100 as a door for opening and closing an opening portion of a vehicle body, and detects an obstacle OB present outside the vehicle V. The object detection device 200 comprises: an ultrasonic sensor portion 210 which is provided on a door outer panel 110 constituting an outer side in the vehicle width direction of the front door portion 100, and is capable of transmitting and receiving ultrasonic waves; and a fixing holder portion 300 which includes a first opening OP1 as a first opening portion on the side facing the door outer panel 110 and a sensor housing portion SH for housing the ultrasonic sensor portion 210, and which fixes the ultrasonic sensor portion 210 to the door outer panel 110. The fixing holder portion 300 is provided with a pressing spring 340 as a biasing member for biasing the ultrasonic sensor portion 210 toward the door outer panel 110.
To provide an axial fan motor increasing the mounting area of a circuit board and further improving heat dissipation as compared with the axial fan motor in the related art. A fan device as an axial fan motor includes: a casing having a hollow tubular shape and provided with an intake opening at one end in an axial direction and an exhaust opening at another end in the axial direction; an impeller including a plurality of blades and accommodated in the casing; a motor accommodated in the casing and configured to rotate the impeller; and a plurality of circuit boards arranged along the axial direction at a side close to exhaust opening in the casing.
A motor comprises: a stator (33) having a plurality of coils (28) wound in the same direction; a plurality of first bus bars (50); and a plurality of second bus bars (51). The plurality of coils (28) include a first coil (28) and a second coil (28) adjacent to each other in the circumferential direction. One first bus bar (50) of the plurality of first bus bars (50) is electrically connected to one end (28b) of the first coil (28) and one end (28b) of the second coil (28), and one second bus bar (51) of the plurality of second bus bars (51) is electrically connected to the other end (28a) of the first coil (28). The other second bus bar (51) of the second bus bars (51) is electrically connected to the other end (28a) of the second coil (28).
A door latch device 1 comprises a main unit 40 having an electric release mechanism 13 and a manual release-and-locking mechanism 9. An inner open lever 34 that is rotated by operating an inner handle 8 comprises an output unit 43c that can output a rotational force to an element other than an operation part 32a of a link 32. A joint 33 of the manual release-and-locking mechanism 9 comprises a groove hole 33b that receives an input for switching from a locked state to an unlocked state.
E05B 77/26 - Functions related to actuation of locks from the passenger compartment of the vehicle preventing use of an inner door handle, sill button, lock knob or the like specially adapted for child safety
E05B 77/30 - Functions related to actuation of locks from the passenger compartment of the vehicle allowing opening by means of an inner door handle, even if the door is locked
[Problem] To provide a stator of an angle sensor in which insert molding of a non-magnetic spacer member separating a shield and an insulator can be eliminated and the spacer member can be placed easily and precisely. [Solution] This stator of an angle sensor comprises a stator core 110, an insulator 0, and a shield 160 covering the stator core 110 and the insulator 120. The stator core 110 comprises a through hole 113a, the shield 160 comprises a first through hole 167 connected to the through hole 113a of the stator core 110, a ring 200 formed from a non-magnetic metal that contacts the stator core 110 is fixed in the first through hole 167 of the shield 160, and the ring 200 has a circumferentially continuous annular projection 220 that contacts the first through hole 167 of the shield 160.
H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
G01D 5/20 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
H02K 24/00 - Machines adapted for the instantaneous transmission or reception of the angular displacement of rotating parts, e.g. synchro, selsyn
The present invention stably detects an obstacle. An object detection device 200 is mounted on a vehicle V having a front door part 100 as a door for opening and closing an opening of a vehicle body, and detects an obstacle OB that exists outside the vehicle V in a vehicle width direction. The object detection device 200 comprises: an ultrasonic sensor part 210 that is capable of transmitting and receiving ultrasonic waves and is disposed on a door outer panel 110 constituting an outer side of the front door part 100 in the vehicle width direction; a first vibration control part 220 as a first vibration control member disposed on the door outer panel 110 so as to surround the ultrasonic sensor part 210; and a second vibration control part 230 as a second vibration control member disposed between the first vibration control part 220 and a door end surface part DE, which is an end surface of the door outer panel 110.
The present invention is intended to improve assembly workability and to stably detect an obstacle. An object detection device 200 is mounted on a vehicle V having a front door part 100 serving as a door for opening and closing an opening of a vehicle body, and detects an obstacle OB that is present outside the vehicle V. The object detection device 200 includes a door outer panel 110 serving as a door outer member that constitutes the vehicle-widthwise outer side of the front door part 100 and has an uneven part IR formed on a surface on the vehicle-widthwise inner side, an ultrasonic sensor unit 210 that is provided on the door outer panel 110 and is capable of transmitting and receiving ultrasonic waves, and an adhesive member 300 that has a plate thickness PT thicker than the depth of the uneven part IR and that is provided between the door outer panel 110 and the ultrasonic sensor unit 210. The adhesive member 300 is provided between the uneven part IR and the ultrasonic sensor unit 210.
This vibration actuator, which can be reduced in size, includes: a movable body having a pair of magnets arranged in a direction in which the magnetic poles face each other in an axial direction, and having a shaft that passes through the pair of magnets in the axial direction, and a pair of sleeves into which both end parts of the shaft are respectively inserted; and a fixed body that has a coil surrounding the pair of magnets in a direction orthogonal to the axial direction, and that accommodates the movable body so as to be capable of reciprocating in the axial direction inside the coil via a pair of elastic bodies. The pair of sleeves internally fit both end parts to restrict movement of the pair of magnets in the axial direction, and fix each of the pair of elastic bodies.
B06B 1/04 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with electromagnetism
To provide a motor capable of meeting a demand for size reduction. The motor includes an axial member, a tubular rotating body rotatable in relation to the axial member, a bearing supporting the rotating body with respect to the axial member, and a stator inside the rotating body. The rotating body preferably includes a tubular member formed of a single member, and a magnet.
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
H02K 21/22 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
This vibration actuator that can be miniaturized includes: a movable body that has a rectangular cross-section orthogonal to the axial direction and has a plurality of magnets which form a pair and are arranged in orientations such that identical magnetic poles face each other in the axial direction; a rectangular coil that surrounds the magnets in a direction orthogonal to the axial direction; and a protective wall part that has a rectangular cylindrical shape and is disposed between the coil and the magnets. The vibration actuator includes a fixed body that accommodates, inside the protective wall part via an elastic body, the movable body so as to be capable of reciprocating in the axial direction.
B06B 1/04 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with electromagnetism
A resin film (6) is provided with one or more pockets (61) each of which has an inner peripheral part (62), an outer peripheral part (63), and a connection part (64) that connects the outer peripheral part (63) and the inner peripheral part (62).
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
To provide a centrifugal fan capable of securing a degree of freedom of arrangement of the centrifugal fan in, for example, a vehicle body and preventing damage to a coupling member in advance. A centrifugal fan accommodates an impeller and a motor rotating the impeller inside a casing having an upper casing and a lower casing coupled with a first coupling part and a second coupling part. The upper casing includes an upper outer peripheral wall part forming an outer peripheral surface, the lower casing includes a lower outer peripheral wall part forming an outer peripheral surface, and the first coupling part includes a fitting part positioned radially more inward than the outer peripheral surface of the upper outer peripheral wall part, protruding toward the lower casing side, and fitted at an inner side of the lower outer peripheral wall part. The fitting part includes a claw part protruding radially outward at an end part at the lower casing side, and the second coupling part includes an engagement hole part provided at the lower outer peripheral wall part and engaging with the claw part.
Proposed are a communication device for reliably locking and unlocking an electronic lock even when a plurality of communication devices attempt to simultaneously connect to a locking/unlocking device, a system including the communication device and the locking/unlocking device, and a control program for the communication device. A communication device starts connection to a locking/unlocking device provided near a door of a building when receiving an advertisement signal transmitted from the locking/unlocking device. The communication device is configured to retry a scan for receiving the advertisement signal after a delay time different from a delay time of another communication device connectable to the locking/unlocking device when the communication device determines the connection failed.
The present invention accurately estimates inertia regardless of the magnitude of acceleration/deceleration of a motor. An inertia estimation device (16) for a motor (2) comprises: a filter unit (161) that attenuates the frequency characteristic of a physical quantity associated with driving of the motor (2); and an inertia estimation unit (162) that estimates the inertia of the motor (2) on the basis of the attenuated physical quantity. In a motor drive control device (1), a drive control unit (12) that controls the drive of the motor (2) in accordance with command information pertaining to the rotational speed of the motor (2) controls the drive of the motor (2) in accordance with the inertia.
A retainer (5) comprises an annular base part (51), pillar parts (52) that protrude in an axial direction from the base part (51), and pocket parts (53) that are each formed between two adjacent pillar parts (52) in the circumferential direction and accommodate at least a portion of each rolling element (4). The pocket parts (53) are configured to be restricted from moving in the radial direction and the axial direction by the rolling elements (4). The radial-direction width (W5) of the pocket parts (53) is at least 0.6 times the axial-direction width (W4) of the pocket parts (53).
F16C 33/49 - Cages for rollers or needles comb-shaped
F16C 19/06 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row of balls
An angle sensor (1) comprises: a rotor (2) having a plurality of protrusions (11); a base (3) having an outer peripheral portion (3a) and an inner peripheral portion (3b); and a plurality of conductive wires (4) provided on the base (3). Each of the plurality of conductive wires (4) includes, in the radial direction, an outer curved portion (4a) curving toward the outer peripheral portion (3a) of the base (3), and an inner curved portion (4b) curving toward the inner peripheral portion (3b) of the base (3). The plurality of conductive wires (4) include a first conductive wire (31) and a second conductive wire (32). The first conductive wire (31) includes a first outer curved portion (31a) and a first inner curved portion (31b). The second conductive wire (32) includes a second outer curved portion (32a) and a second inner curved portion (32b). The second outer curved portion (32a) is separated from the first outer curved portion (31a) in the radial direction, and the first inner curved portion (31b) is separated from the second inner curved portion (32b) in the radial direction.
G01D 5/20 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
G01B 7/30 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapersMeasuring arrangements characterised by the use of electric or magnetic techniques for testing the alignment of axes
G01D 5/245 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trainsMechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains using a variable number of pulses in a train
This motor control device, on the basis of the rotational speed of the motor, switches current detection methods between a first method and a second method that differ in how the duty ratio is adjusted. With the first method, for the PWM signal of each phase, the signal level varies over the entire period of a single cycle at arbitrary points in time that differ from each other, and the current of a current detector is detected over the entire period. With the second method, a single cycle of the PWM signal of each phase includes a first period and a second period, and for the PWM signal of each phase, the signal level varies at points in time that are according to an established duty ratio in the first period, while in the second period, the signal level varies at fixed points in time that differ from each other and the order in which the PWM signal of each phase is replaced is fixed regardless of the set value of the duty ratio, and the current of the current detector is detected during the second period.
H02P 23/04 - Arrangements or methods for the control of AC motors characterised by a control method other than vector control specially adapted for damping motor oscillations, e.g. for reducing hunting
An outer ring 100 is provided with a raceway groove 101 in which balls 130 roll, a peripheral groove 110 provided axially outside of the raceway groove 101, an outer shoulder part 114 that is provided axially outside of the peripheral groove 110 and protrudes toward an inner-ring 120 side, and an inner shoulder part 117 provided axially inside of the peripheral groove 110. A seal member 140 is provided with a first annular part 141 extending in the radial direction, a second annular part 145 that is disposed radially outside and axially inside of the first annular part 141 and extends in the radial direction, a connection part 144 that connects the first annular part 141 and the second annular part 145 to each other, and a distal-end part 146 extending outward in the axial direction from the radially outer edge part of the second annular part 145. The distal-end part 146 is elastically deformed inward in the radial direction by the outer shoulder part 114, whereby the second annular part 145 is pressed to the inner shoulder part 117.
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
F16C 19/06 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row of balls
[Problem] To provide a rolling bearing capable of preventing a seal member from warping. [Solution] A ball bearing 1 comprises: an outer ring 100; an inner ring 120 disposed facing the outer ring 100; a plurality of balls 130 disposed between the outer ring 100 and the inner ring 120; and a resin seal member 140 attached to the outer ring 100 and covering a space between the outer ring and the inner ring. The outer ring 100 includes: a raceway groove 101 in which the balls 130 roll; a peripheral groove 110 provided axially outside the raceway groove 101; and a shoulder part 115 provided axially outside the peripheral groove 110 and projecting to the inner ring 120 side. The seal member 140 includes: a head part 146 engaging with the peripheral groove 110; and a step part 150 provided axially outside the head part 146 and closer to the inner ring 120 than the head part 146. The step part 150 includes a step surface 151 abutting on the shoulder part 115 in a radial direction.
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
F16C 19/06 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row of balls
A water pump (1), which is an example of a motor, is provided with: a shaft (3); a cylinder (7) rotatably supported by the shaft (3); an impeller (6) fixed to the cylinder (7); a rotor (5) including a magnet (52) fixed to the impeller (6); a stator (4) surrounding the rotor (5); a coil (42) wound around the stator (4); a magnetic body (8) disposed with a predetermined gap with respect to the magnet (52) in the axial direction (X-axis direction); a first space (2s1) formed between the shaft (3) and the cylinder (7); and a second space (2s2) in which the rotor (5) is accommodated. The coil (42) faces the magnet (52) in the radial direction. The first space (2s1) and the second space (2s2) are spaces into which liquid enters. The cylinder (7) is movable in the axial direction with respect to the shaft (3), and in the axial direction, the magnet (52) is disposed between the magnetic body (8) and the impeller (6).
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Ball screws, machine elements not for land vehicles; linear guides, machine elements not for land vehicles; shafts, axles or spindles, machine elements other than for land vehicles; bearings, machine elements not for land vehicles; shaft couplings, machine elements not for land vehicles; power transmissions and gearing, machine elements not for land vehicles; brakes, machine elements not for land vehicles; machine elements, not for land vehicles; metalworking machines and tools; loading-unloading machines and apparatus; chemical processing machines and apparatus; textile machines and apparatus; pulp making, papermaking or paper-working machines and apparatus; pneumatic or hydraulic machines and instruments; bushings [parts of machines]; guides for machines. Ball screws, machine elements for land vehicles; linear guides, machine elements for land vehicles; shafts, axles or spindles, machine elements for land vehicles; bearings, machine elements for land vehicles; shaft couplings, machine elements for land vehicles; steering units for land vehicles and their parts and fittings; power transmissions and gearing, machine elements for land vehicles; brakes, machine elements for land vehicles; mechanical elements for land vehicles.
A hard disk drive device includes: a base plate including a bottom surface part and a side wall part extending in a direction orthogonal to the bottom surface part along an edge part of an entire periphery of the bottom surface part; a structure provided more inside than the side wall part and including a female screw part; a cover having a plate shape, fixed to the base plate such that a back surface faces the bottom surface part, and including a through hole at a position facing the structure; a screw inserted into the through hole and including a male screw part fitted with the female screw part; and a first sealing member disposed at least one of between the structure and the cover and between the cover and the fastening body, and formed in an annular shape.
A planar illumination device (1) according to an embodiment comprises a baseboard (20) and a metal frame (10). In the baseboard (20), a plurality of light sources (21) are two-dimensionally arranged on a first surface (20a), and control circuits (23, 24) for controlling lighting of the light sources (21) are disposed on the first surface (20a) and/or a second surface (20b). The metal frame (10) supports the baseboard (20) and is electrically connected to a ground pattern formed on the baseboard (20).
The present invention increases the winding space of a coil and improves the output of a motor. This stator (200) comprises a magnetic body (210), an insulator (300), and a coil (400), wherein: the magnetic body (210) comprises a magnetic pole part (230), a ring (220), and a spoke (250) that connects the magnetic pole part (230) and the ring; the spoke (250) comprises a side part (253) and an end part (211a) in the X direction of a rotational axis; the insulator (300) comprises a plate (350) that covers the end part of the spoke (250); the width (w1) of the plate (350) is greater than the width (w2) of the spoke (250) in the circumferential direction; a conductive wire (401) of the coil (400) is wound around the spoke (250); the side part (253) of the spoke (250) faces the conductive wire (401); the end part (211a) of the spoke (250) is narrower than the width (w3) of another part (213a) of the spoke (250) in the circumferential direction; and the plate (350) is fitted to the end part (211a) of the spoke (250).
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
H02K 1/04 - Details of the magnetic circuit characterised by the material used for insulating the magnetic circuit or parts thereof
The present invention achieves accurate positioning of an insulator relative to a stator core. This stator (200) comprises a magnetic body (210), an insulator (300), and a coil (400). The magnetic body comprises magnetic pole parts (230), a ring (220), and spokes (250). The spokes comprise a first end part (251), a second end part (252), and a side part (253) that is between the first end part and the second end part. The insulator comprises a first plate (310) that covers the first end parts and a second plate (360) that covers the second end parts. The width (w1) of the first plate and the width (w1) of the second plate are greater than the width (w2) of the spokes in the circumferential direction. A conductive wire (401) that forms the coil (400) is wound around the spokes. The side parts (253) of the spokes are opposite the conductive wire. The first plate (310) has first covering parts (335) that cover side surfaces of the magnetic pole parts in the radial direction, and the second plate (360) has second covering parts (395) that cover the side surfaces of the magnetic pole parts in the radial direction.
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
An actuating drive including a housing, which comprises a housing trough and a housing cover, an electric motor arranged in the housing, a gear unit arranged in the housing that has an output gear, and a position detection unit arranged in the housing for detecting a rotational angle position of the output gear, which detection unit comprises a magnet arranged on a rotary axle of the output gear, and a magnetic field sensor unit having a magnetic field sensor designed to detect a magnetic field of the magnet. It is proposed that he housing trough of the housing has a receiving region in which the magnetic field sensor unit is arranged such that the rotary axle of the output gear extends through the magnetic field sensor of the magnetic field sensor unit.
Provided is, for example, a sensor device having a structure that can be easily thinned. For example, a sensor device (100, 200, 300) comprises: a shaft (S); a strain-generating body (101) that has a surface (101a) extending in the radial direction; a bearing (102) that connects the shaft (S) and the strain-generating body (101) in the radial direction; a holder (104) that rotates together with a ring (102r) of the bearing (102); a strain sensor (103) that is attached to the surface (101a); and a substrate (105), wherein the strain sensor (103) and the substrate (105) are electrically connected to each other.
F16C 19/04 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
F16C 19/52 - Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
In the present invention, a magnetic gear device (1) comprises a first magnet (11) in which a plurality of first magnetic poles (111) are disposed in the circumferential direction (C), a second magnet (12) in which a plurality of second magnetic poles (121) are disposed in the circumferential direction (C), a first pole piece (13) that is positioned between the first magnet (11) and the second magnet (12) in the radial direction (R) and that magnetically connects the first magnet (11) and the second magnet (12), a third magnet (14) in which a plurality of third magnetic poles (141) are disposed in the circumferential direction (C), a fourth magnet (15) in which a plurality of fourth magnetic poles (151) are disposed in the circumferential direction (C), and a second pole piece (16) that is positioned between the third magnet (14) and the fourth magnet (15) in the radial direction (R) and that magnetically connects the third magnet (14) and the fourth magnet (15). The first magnet (11) and the fourth magnet (15) are connected in the axial direction (A), the fourth magnet (15) rotates together with the first magnet (11), the number of first magnetic poles (111) of the first magnet (11) is greater than the number of second magnetic poles (121) of the second magnet (12), the number of third magnetic poles (141) of the third magnet (14) is greater than the number of fourth magnetic poles (151) of the fourth magnet (15), and at least one of the first to fourth magnets (11‒15) is ring-shaped.
A power transmission device (100) is provided with an input-side device (2) and a magnetic gear device (1) to which the driving force of the input-side device (2) is directly or indirectly transmitted. The magnetic gear device (1) is a harmonic-type magnetic gear device and at least includes: a first magnet (11) in which a plurality of first magnetic poles (111) are disposed in the circumferential direction (C); a second magnet (12) in which a plurality of second magnetic poles (121) are disposed in the circumferential direction (C); pole pieces (13) positioned between the first magnet (11) and the second magnet (12) and magnetically connecting the first magnet (11) and the second magnet (12); a first sensor (SE1) for detecting, at a detection point, a change in magnetic flux density of a magnetic field created by the magnetic poles of either the first magnet (11) or the second magnet (12); and a calculation unit (41) for outputting information pertaining to the magnetic gear device (1) on the basis of the detection result of the first sensor (SE1).
[Problem] To provide a hydrogen recirculation blower that is for a fuel cell system and that comprises a bearing which has excellent durability in a high temperature humid environment , and in which lubrication performance is maintained even in an environment where water exists. [Solution] This hydrogen recirculation blower for a fuel cell system is provided with a rolling bearing. The rolling bearing has an inner ring, an outer ring, and rolling elements, has grease in an annular bearing space formed between the inner ring and the outer ring, and has a rubber seal for sealing the bearing space. The grease contains an organic acid metal salt at a proportion of 0.05-1 mass% with respect to the total amount of the grease. After a high-temperature and high-humidity test (1) under the conditions of 130°C and 100%RH for 48 hours, the grease exhibits a volume expansion rate of less than 60% as compared to before the test (1). After a high-temperature and high-humidity test (2) in which 1.3 g of the grease is made to coexist with 10 mL of pure water in a sealed container having a capacity of 100 mL and is left to stand for 48 hours under the condition of 120°C, the reduction rate of the organic acid metal salt from as compared to before the test (2) is not more than 50%. This rolling bearing is provided in said blower.
H01M 8/04 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
C10M 105/52 - Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing halogen containing carbon, hydrogen and halogen only
C10M 105/54 - Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing halogen containing carbon, hydrogen, halogen and oxygen
C10M 107/02 - Hydrocarbon polymersHydrocarbon polymers modified by oxidation
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 119/22 - Lubricating compositions characterised by the thickener being a macromolecular compound containing halogen
C10M 169/02 - Mixtures of base-materials and thickeners
F16C 19/06 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row of balls
F16C 33/66 - Special parts or details in view of lubrication
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
The present invention is capable of easily confirming a rotation direction of a rotating component in assembly while securing a region for performing winding. In this single-phase motor, a stator core (20) has: an annular ring (22); branches (23) extending radially outward from the ring (22); and a plurality of magnetic pole portions (24) connected to the branches (23) and aligned in the circumferential direction. The magnetic pole portion (24) has: a first surface (241) that extends from the branch (23) to one side in the circumferential direction and faces the ring (22) in the radial direction; and a second surface (242) that extends to the other side in the circumferential direction and faces the ring (22) in the radial direction. In the radial direction, the stator core (20) has a distance (L1) from the first surfaces (241) to the ring (22) and a distance (L2) from the second surface (242) to the ring (22), which are different from each other. An insulator (25) is bonded to the branch (23), the first surface (241), and the second surface (242).
This method for manufacturing a multipolar magnet comprises: a first step for changing the distribution of a rare-earth-based material in a hot-worked magnet (10) that has a plurality of magnetic powders containing said rare-earth-based material; and a second step for magnetizing the hot-worked magnet (10) that has undergone the first step, and obtaining a multipolar magnet (20) comprising a plurality of magnetic pole portions. In the first step, it is preferable to increase the amount of the rare earth-based material interposed between the plurality of magnetic powders to change the distribution of the rare-earth-based material in the hot-worked magnet (10). In the first step, it is more preferable to heat the hot-worked magnet (10) at a predetermined temperature to change the distribution of the rare-earth-based material in the hot-worked magnet (10).
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
H01F 1/057 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
H01F 13/00 - Apparatus or processes for magnetising or demagnetising
H02K 15/03 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
This magnetic gear device (1) is provided with: a first magnet (11) in which a plurality of first magnetic poles (111) are disposed in the circumferential direction; a second magnet (12) in which a plurality of second magnetic poles (121) are disposed in the circumferential direction; and a pole piece (13) that is positioned between the first magnet (11) and the second magnet (12) and magnetically connects the first magnet (11) and the second magnet (12). One of the plurality of first magnetic poles (111) of the first magnet (11) and the plurality of second magnetic poles (121) of the second magnet (12) has a ring shape formed integrally. The first magnetic poles (111) of the first magnet (11) are more in number than the second magnetic poles (121) of the second magnet (12).
F16D 3/223 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
A power transmission apparatus (100) comprises a magnetic gear device (1) and a mechanical gear device (3) connected to the magnetic gear device (1), wherein the magnetic gear device (1) is a harmonic-type magnetic gear device.
A motive force transmission device (100) comprises: a motor (2) that has a stator (21) and a rotor (22) that is provided so as to be capable of rotating relative to the stator (21); and a magnetic gear device (1) to which drive force is transmitted directly from the motor (2). The magnetic gear device (1) comprises at least: a first magnet (11) at which a plurality of first magnetic poles (111) are arranged in the circumferential direction (C); a second magnet (12) at which a plurality of second magnetic poles (121) are arranged in the circumferential direction (C); and a pole piece (13) that is positioned between the first magnet (11) and the second magnet (12) and magnetically connects the first magnet (11) and the second magnet (12). At least one of the first magnet (11) and the second magnet (12) is ring-shaped, and the magnetic gear device (1) is a harmonic-type magnetic gear device.
The present invention prevents a held object from falling out. A holding device (1) is provided with: a holding part (7) that is for holding an object (200); a drive mechanism (6) that drives the holding part (7) in accordance with a rotational force of a motor (5) and that has a self-locking function which limits the movement of the holding part (7) while the energization of the motor 5 is stopped; and a motor drive control device (2) that drives the motor (5). When a drive command signal (Sc) including information indicating driving the holding part (7) is input, the motor drive control device (2) drives the motor (5) so that the holding part (7) holds the object (200). If stepping-out of the motor (5) is detected, the motor drive control device (2) supplies the motor (5) with a smaller current than that supplied to the motor (5) before the stepping-out detection, thereby fixing a rotor (50) of the motor (5).
A motor drive control device includes a drive circuit for driving a motor based on a drive control signal, and a control circuit for calculating an operation amount of the motor so that the motor rotates at a target rotation speed based on a drive command signal specifying a target rotation speed and generates and outputs a drive control signal corresponding to the operation amount. The control circuit sets a change rate of an operation amount to be smaller the closer the operation amount to a target operation amount corresponding to the target rotation speed when decelerating the motor according to a change in the target rotation speed, and the control circuit changes the operation amount in accordance with the change rate so that the operation amount coincides with the target operation amount after change when decelerating the motor according to a change in the target rotation speed.
A motor (1) comprises: a stator (4) provided with a terminal (6); and a bus bar (5) provided to the stator (4) and having a hole (51H). A side surface of the hole (51H) of the bus bar (5) and a portion (602) of the terminal (6) are connected.
Object
Object
To provide a fluid dynamic pressure bearing oil and a fluid dynamic pressure bearing filled with the fluid dynamic pressure bearing oil, and to provide a spindle motor and a disk drive device including the spindle motor in which the fluid dynamic pressure bearing oil and the bearing are used, thereby suppressing adhesion of a volatile component to a magnetic disk or the like even when the fluid dynamic pressure bearing oil is volatilized, so that occurrence of HDD read/write errors can be suppressed.
Object
To provide a fluid dynamic pressure bearing oil and a fluid dynamic pressure bearing filled with the fluid dynamic pressure bearing oil, and to provide a spindle motor and a disk drive device including the spindle motor in which the fluid dynamic pressure bearing oil and the bearing are used, thereby suppressing adhesion of a volatile component to a magnetic disk or the like even when the fluid dynamic pressure bearing oil is volatilized, so that occurrence of HDD read/write errors can be suppressed.
Solution
Object
To provide a fluid dynamic pressure bearing oil and a fluid dynamic pressure bearing filled with the fluid dynamic pressure bearing oil, and to provide a spindle motor and a disk drive device including the spindle motor in which the fluid dynamic pressure bearing oil and the bearing are used, thereby suppressing adhesion of a volatile component to a magnetic disk or the like even when the fluid dynamic pressure bearing oil is volatilized, so that occurrence of HDD read/write errors can be suppressed.
Solution
A fluid dynamic pressure bearing oil contains at least one compound selected from the group consisting of a monoester compound represented by the following Formula (1) and a diester compound represented by the following Formula (2): R1—C(═O)O—R2 (1) (where R1 is an alkyl group having 10 or more carbon atoms in total, R2 is an alkyl group having 9 or more carbon atoms in total, and R3-E1-R4-E2-R5 (2) (where R3 and R5 are each independently an alkyl group having 8 or more carbon atoms in total, R4 is an alkylene group having 4 or more carbon atoms in total, and E1 and E2 are each independently —C(═O)O— or —OC(═O)—.
C10N 20/00 - Specified physical properties of component of lubricating compositions
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 30/10 - Inhibition of oxidation, e.g. anti-oxidants
Provided is a vibration actuator that includes: a base part having a plate shape on which an electromagnet having a plate shape and including a core and a coil is disposed; a movable part including a magnetic yoke having a plate shape and disposed with a gap from the electromagnet in a thickness direction of the electromagnet; and an elastic body configured to support the magnetic yoke at the base part such that when the electromagnet is energized the magnetic yoke comes closer to the base part in the thickness direction, wherein the movable part has a shape configured to accommodate a part of the coil at a position facing the coil.
H02K 33/06 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs wherein the frequency of operation is determined by the frequency of uninterrupted AC energisation with polarised armatures
B06B 1/04 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with electromagnetism
H02K 33/00 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
H02K 33/02 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
H02K 33/04 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs wherein the frequency of operation is determined by the frequency of uninterrupted AC energisation
H02K 33/16 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
The present invention provides a control device that makes it possible to suppress the occurrence of an abnormal sound in an electrically assisted bicycle and an electrically assisted bicycle that is capable of suppressing the occurrence of an abnormal sound. A control device (50) sets a level at which rotation of pedals (4) is assisted when a ratio (R) between a rotational speed (Nw) (rpm) of wheels and a rotational speed (Nm) (rpm) of a motor (40) is within a prescribed range (Ra) such that said level is higher than a level at which the rotation of the pedals (4) is assisted when the ratio (R) between the rotational speed (Nw) (rpm) of the wheels and the rotational speed (Nm) (rpm) of the motor (40) is outside the prescribed range.
Provided are an electric-assist bicycle and a gear ratio determination method for an electric-assist bicycle that can reduce the risk of incorrect gear ratio determination and that identify a gear ratio with high accuracy. In an electric-assist bicycle (1), the time from when a first gear ratio is changed to a second gear ratio until assisting of a pedal (4) corresponding to the second gear ratio is started is different from the time from when a third gear ratio is changed to a fourth gear ratio until assisting of the pedal (4) corresponding to the fourth gear ratio is started.
Provided is a control device capable of keeping abnormal noise from being produced in an electrically assisted bicycle. In the present invention, a control device (50) causes the degree of assistance that is to be provided to the rotation of a pedal (4) when the ratio R between the speed Nw (rpm) of a wheel and the speed Nm (rpm) of a motor (40) is within a predetermined range Ra to exceed the degree of assistance that is to be provided to the rotation of the pedal (4) when the ratio R between the speed Nw (rpm) of the wheel and the speed Nm (rpm) of the motor (40) is outside the predetermined range Ra.
An angle sensor (1) comprises: a cylinder (10) including a plurality of pillars (20) extending in a radial direction; and a plurality of outer coils (30) and a plurality of inner coils (40) wound around the plurality of pillars (20). The outer coils (30) are each provided with one end portion (31) and another end portion (32) in the circumferential direction. Furthermore, the inner coils (40) are each provided with one end portion (41) and another end portion (42) in the circumferential direction. The plurality of outer coils (30) and the plurality of inner coils (40) are separated in the radial direction.
G01D 5/20 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
G01B 7/30 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapersMeasuring arrangements characterised by the use of electric or magnetic techniques for testing the alignment of axes
An angle sensor (1) comprises: a cylinder (10) having a side surface (11) extending in the circumferential direction; and a coil (30) fixed to the side surface (11). The side surface (11) of the cylinder (10) has provided thereto a plurality of lattice bodies (20) arranged in the circumferential direction and the axial-line x-direction, and a conductive wire (31) for forming the coil (30) is fitted in a gap between the plurality of lattice bodies (20).
G01D 5/20 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
G01B 7/30 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapersMeasuring arrangements characterised by the use of electric or magnetic techniques for testing the alignment of axes
The present invention provides an electrically assisted bicycle that can suppress a metal sound and unnecessary rotation of pedals during gear change. Provided is an electrically assisted bicycle (1) wherein the magnitude of assistance with pedals (4) is limited from when a first transmission gear ratio is changed to a second transmission gear ratio until when the assistance with the pedals (4) which corresponds to the second transmission gear ratio is started.
Pulse wave sensor includes strain generating body with circular opening, resin layer covering strain generating body's one surface, and strain gauge provided on strain generating body's other surface opposite to one surface and including Cr mixed phase film as resistor. Where circular opening diameter is d [mm] and strain generating body thickness is t [mm], when material of strain generating body is SUS and d is 32, 22, 13, and 7, required range of t is 0.059≤t≤0.124, 0.046≤t≤0.099, 0.030≤t≤0.067, and 0.026≤t≤0.034, respectively, when the material is copper and d is 32, 22, 13, and 7, required range of t is 0.084≤t≤0.166, 0.066≤t≤0.132, 0.044≤t≤0.088, and 0.032≤t≤0.050, respectively, and when the material is aluminum and d is 32, 22, 13, and 7, required range of t is 0.097≤t≤0.212, 0.079≤t<0.168, 0.050<<0.107, 0.038
A door opening and closing apparatus includes a setting unit configured to set at least a part of one of a first detection range and a second detection range as a start zone in which a first phase of a setting movement made by a detection target is to be detected, and to set a part of another one of the first detection range and the second detection range as a trigger zone in which a second phase of the setting movement is to be detected, based on first distances measured by a measurement unit. Upon determining that the detection target has made the setting movement including a movement between the start zone and the trigger, based on changes in the distances measured by the measurement unit, the control unit causes a driving unit to open or to close the door.
A motor includes a shaft including one end part and the other end part, a tube, a bearing rotatably supporting one of the shaft and the tube and fixed to the other of the shaft and the tube, a lid covering the bearing and the tube, and an urging structure. The lid includes a first wall fixed to the shaft and a second wall fixed to the tube, the first wall and the second wall oppose each other directly or via a washer in a longitudinal direction of the shaft, and the urging structure urges the first wall toward the second wall in the longitudinal direction of the shaft.
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
A strain gauge includes a substrate and a resistor formed over the substrate. The resistor is made of a material containing Cr as a main component. A line width of the resistor is 70 μm or less such that a transverse sensitivity ratio of the strain gauge is equal to or less than 70% and a gauge factor of the strain gauge is equal to or greater than 5.
G01L 1/22 - Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluidsMeasuring force or stress, in general by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
An angle sensor (1) comprises a rotor (2) and a stator (3). The rotor (2) includes a cylinder (10) and a plurality of conductor bodies (5) fixed to the cylinder (10). The stator (3) includes a plurality of coils (20) arranged in the circumferential direction of the cylinder (10). The rotor (2) and the plurality of coils (20) face each other in the radial direction of the cylinder (10). Parts of conductive wires (30) that are led out from the coils (20) are positioned in the stator (3).
G01D 5/20 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
An angle sensor (1) is provided with a rotor (2) and a stator (3). The rotor (2) includes: an inner member (10) that is an inner tubular member; an outer member (20) that is an outer tubular member; and a plurality of metal bodies (30). The stator (3) includes a plurality of coils (40) facing the rotor (2). In the radial direction, the plurality of metal bodies (30) are sandwiched by the inner member (10) and the outer member (20).
G01D 5/20 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
90.
MOTOR CONTROL DEVICE, MOTOR SYSTEM, AND MOTOR CONTROL METHOD
This motor control method includes: generating PWM signals of respective phases with duty ratios each having the same value, the PWM signals including, in one cycle, a first period in which a part of an arm in an inverter is turned on in a first energization pattern during idling of a rotor and a second period in which a part of the arm in the inverter is turned on in a second energization pattern during the idling; detecting a first current value of a first phase flowing in the first period and a second current value of the first phase flowing in the second period with a current detector provided on the DC side of the inverter; and deriving an offset current value of the first phase by calculation using one of the first current values detected in the first period or a plurality of the first current values detected in each of the first periods, and a plurality of the second current values detected in each of the second periods.
H02P 27/08 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation
One of the objects is to provide a motor capable of suppressing a reduction of a lifespan. A motor includes a shaft, a first bearing disposed at one side in an axial direction of the shaft, a second bearing disposed at another side in the axial direction of the shaft, and a bearing housing being a holding member configured to hold the first bearing and the second bearing. In the radial direction, a distance between the first bearing and the holding member is smaller than a distance between the second bearing and the bearing housing.
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
H02K 21/22 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
In a reduction gear (5), a side part (50a) of a first gear (50) and a side part (51a) of a second gear (51), which fit together in the radial direction, form a recessed part (62).
F16H 57/04 - Features relating to lubrication or cooling
F16H 1/32 - Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
A motor includes a shaft, a stator, and a rotor. The rotor includes a yoke and a magnet. The yoke includes an annular part, a magnetic pole part, a connection part, and a gap. The annular part is disposed at an inner side in a radial direction. The magnetic pole part is disposed at an outer side in a radial direction and is in contact with the magnet. The connection part connects the annular part and the magnetic pole part. The gap is formed between the magnetic pole part and the connection part in the circumferential direction. The magnetic flux at the inner diameter side of the magnet passes through an outer peripheral surface of the magnetic pole part.
H02K 1/276 - Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
H02K 21/16 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
According to the present invention, a magnetic body contains a plurality of magnetic particles, is cylindrical, and comprises an end surface extending in the radial direction and an outer circumferential surface extending in the axial direction, wherein the outer circumferential surface comprises a plurality of magnetic poles in the circumferential direction, the end surface forms a reference plane, the residual flux density of the end surface in the axial direction is greater than the residual flux density of the outer circumferential surface in the radial direction, and the relative density of the magnetic particles exceeds 95%. Also, the magnetic body contains a plurality of magnetic particles, is ring-shaped, and comprises an end surface extending in the radial direction and outer and inner circumferential surfaces extending in the axial direction, wherein the outer circumferential surface and/or the inner circumferential surface comprises a plurality of magnetic poles in the circumferential direction, the end surface forms a reference plane, the residual flux density of the end surface in the axial direction is greater than the residual flux density of the outer circumferential surface in the radial direction, and the relative density of the magnetic particles exceeds 95%.
H01F 1/08 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
H01F 1/057 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
Provided is a magnetic body which comprises a plurality of magnetic particles, is cylindrical, and is provided with an end surface that extends radially and an outer circumferential surface that extends axially. The end surface has a plurality of magnetic poles in the axial direction. The end surface forms a reference surface. The residual magnetic flux density of the end surface in the axial direction is greater than the residual magnetic flux density of the outer circumferential surface in the radial direction. The relative density of the magnetic particles is more than 95%. Also provided is magnetic body which comprises a plurality of magnetic particles, is ring-shaped, and is provided with an end surface that extends radially and an outer circumferential surface and inner circumferential surface that extend axially. The end surface has a plurality of magnetic poles in the axial direction. The end surface forms a reference surface. The residual magnetic flux density of the end surface in the axial direction is greater than the residual magnetic flux density of the outer circumferential surface in the radial direction. The relative density of the magnetic particles is more than 95%.
H01F 1/08 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
H01F 1/057 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
A motor and a rotary blade device capable of increasing dustproof and waterproof performance is provided. A motor includes an annular rotor and a stator opposing the rotor. The rotor includes a magnet and a housing covering the magnet. The stator includes a coil and a holder holding the coil. The housing includes a first projecting part projecting toward the holder. The holder includes a second projecting part projecting toward the housing. The second projecting part opposes the first projecting part via a gap in a radial direction.
This coated magnetic material comprises: an annular magnetic material body including magnetic particles and a resin cured product of a thermosetting resin; and a coating film covering the magnetic material body. The coated magnetic material has two end surfaces extending in the radial direction, and an inner peripheral surface and an outer peripheral surface disposed between the two end surfaces in the axial direction. The two end surfaces form reference surfaces parallel to each other, or the outer peripheral surface and the inner peripheral surface are coaxial.
G01D 5/245 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trainsMechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains using a variable number of pulses in a train
H01F 1/08 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
H01F 1/053 - Alloys characterised by their composition containing rare earth metals
98.
SUPPORT SURFACE MOVEMENT CONTROL DEVICE AND SUPPORT EQUIPMENT
A support surface movement control device (30) that controls movement of a support surface (520) which supports the body of a user (U) comprises: a body information acquisition unit (32) that acquires body information of the user on the support surface; and a movement control unit (34) that automatically initiates and executes movement control for moving the support surface. In the movement control, the movement control unit restricts movement of the support surface when the body information satisfies a restriction condition.
Provided is a vehicle cabin illumination device which can be inexpensively constituted with less attenuation of light intensity. The vehicle cabin illumination device is provided with a light source, and a translucent cover, wherein the cover is provided with a light-entering portion to which illumination light from the light source is irradiated, and a reflector which is formed on a surface opposite to cabin side of a vehicle and reflects the illumination light entering the cover toward the cabin side of the vehicle, wherein the light-entering portion has a translucent portion that passes some of the illumination light from the light source toward the cabin side of the vehicle, and an incident portion that enters some of the illumination light from the light source toward inside of the cover.
B60Q 3/64 - Arrangement of lighting devices for vehicle interiorsLighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides for a single lighting device
B60Q 3/74 - Arrangement of lighting devices for vehicle interiorsLighting devices specially adapted for vehicle interiors characterised by the purpose for overall compartment lightingArrangement of lighting devices for vehicle interiorsLighting devices specially adapted for vehicle interiors characterised by the purpose for overall compartment lighting in combination with specific lighting, e.g. room lamps with reading lamps
B60Q 3/76 - Arrangement of lighting devices for vehicle interiorsLighting devices specially adapted for vehicle interiors characterised by the purpose for spotlighting, e.g. reading lamps
A planar illumination device according to an embodiment includes a substrate, a first optical element, a second optical element, a third optical element, a pair of fourth and fifth optical elements, and a sixth optical element. A plurality of light sources are two-dimensionally arranged on the substrate. The first optical element is arranged at an emission side of the plurality of light sources to condense light emitted from the plurality of light sources. The second optical element is arranged at an emission side of the first optical element to tilt light distribution of the light condensed by the first optical element in a first axial direction within an emission surface. The third optical element is arranged at an emission side of the second optical element to spread the light tilted by the second optical element in the first axial direction. The pair of fourth and fifth optical elements are arranged at the emission side of the plurality of light sources to spread light in a second axial direction orthogonal to the first axial direction within an emission surface. The sixth optical element is formed by combining the second optical element and the third optical element to substitute for the second optical element and the third optical element.
