Abstract: The present invention includes: a nozzle main body (1), which includes a tubular body (8) and a closing flat plate (9) that closes one tube end (8A) of the tubular body (8), and in which an inflow space (?) into which a liquid flows is formed in the tubular body (8); a liquid jetting hole (2) penetrating through the closing flat plate (9) and communicating to the inflow space (?); and a liquid guide (23) arranged in the liquid jetting hole (2) from the inflow space (?). The liquid guide (23) is mounted in the liquid jetting hole (2) from a conical upper surface (23A) so as to form a liquid flow path (?) between the uneven surface of the conical side surface (23C) and a conical inner peripheral surface (2a) of the liquid jetting hole (2).

Abstract: The present invention inhibits an inductance of each winding of a conveyance device from varying with position. The conveyance device for conveying a conveyance target object having a magnetic material includes a plurality of teeth 20a, 20b, and 20c formed by a magnetic material, a plurality of windings 30 wound around each of the teeth 20a, 20b, and 20c, a yoke 40 in a shape of a lattice formed by a magnetic material that is magnetically connected to the teeth 20a, 20b, and 20c in order to support the teeth 20a, 20b, and 20c, and an additional yoke 45 formed by a magnetic material that is magnetically connected to an outer end of the yoke 40.

Abstract: A transport device and a transport method efficiently increase a thrust to suppress power consumption. The transport device has a first magnetic body on a side of a to-be-transported object, a magnetic circuit with a core consisting of a second magnetic body, and a winding wound around an outside of the core, and a drive circuit supplying a current to the winding of the magnetic circuit. The magnetic circuit has first and second magnetic circuits, and in a case where the first magnetic body is located on a side of the second magnetic circuit relative to a first predetermined position between the first magnetic circuit and the second magnetic circuit, the drive circuit supplies a current to a winding of the first magnetic circuit in such a manner to cause an electromagnetic repulsive force to be generated between the first magnetic body and the first magnetic circuit.

Abstract: Provided is a conveyance device that conveys a conveyance object having a magnetic body, the conveyance device including: a plurality of coils configured to generate magnetic flux acting on the magnetic body; a coil driving unit configured to apply a voltage to each of the plurality of coils; and a calculation control unit including a current control unit and a position estimation unit. The current control unit determines the voltage. The position estimation unit estimates a position of the conveyance object based on a change in a current generated by applying a voltage pulse to the coils and switches, according to a position estimation value that indicates the position of the conveyance object estimated by the position estimation unit, between a speed control mode in which a speed of the conveyance object is controlled and a current control mode in which a current through the coils is controlled.

Abstract: The present invention provides a mist generating nozzle capable of generating a large amount of mist (liquid droplets) in which a large amount of microbubbles and a large amount of ultrafine bubbles are mixed and dissolved by ejecting a liquid into outside air. The present invention includes a nozzle main body (Y1). The nozzle main body (2) includes first and second ejection ports (4, 5), first and second inflow ports (6, 7), a first nozzle hole (8) connected to the first ejection port (4) and the first inflow port (6), and a second nozzle hole (9) connected to the second ejection port (5) and the second inflow port (7). The nozzle main body (Y1) ejects water from the first and second ejection ports (4, 5) into outside air at first and second acute angles (?1, ?2) to cause parts of the liquid ejected from the first and second ejection ports (4, 5) to collide with each other and turn the ejected water by the collision.

Abstract: The weight of a body-to-be-conveyed constituting a conveying device is reduced, and the friction force between the sliding surface of the body-to-be-conveyed and the conveyance path is reduced. A body-to-be-conveyed that is a component of a conveying device that uses electromagnetic force as thrust and can move in a horizontal direction includes a mover in which a bottom surface is arranged so that a predetermined gap is formed in a vertical direction with respect to the sliding surface thereof, in which the mover includes a permanent magnet and a cover, a gap facing surface of the permanent magnet facing the gap includes one magnetic pole, the cover is installed on a side of the permanent magnet opposite from the gap facing surface in the vertical direction, the horizontal outermost diameter of the cover is larger than the horizontal outermost diameter of the permanent magnet, and the cover is formed of a flat plate.

Abstract: A cause of a decrease in a conveyance speed of a conveyed body is accurately determined. A conveyance device includes: a conveyance plate that can convey a conveyed body along a conveyance surface; a magnetic circuit unit arranged on an opposite side of the conveyance surface of the conveyance plate and having a winding wound around teeth; a position detection unit configured to detect a position of the conveyed body; a current detection unit configured to detect a current in the winding; a data storage unit configured to store data indicating a relationship among a position on a conveyance surface of the conveyance plate, a current flowing through the winding, and a force applied to the conveyed body; and an abnormality determination unit configured to determine an abnormality regarding conveyance of the conveyed body including deterioration or abnormality of the conveyance surface based on the position detected by the position detection unit, the current detected by the current detection unit, and the data.

Abstract: The weight of a body-to-be-conveyed constituting a conveying device is reduced, and the friction force between the sliding surface of the body-to-be-conveyed and the conveyance path is reduced. A body-to-be-conveyed that is a component of a conveying device that uses electromagnetic force as thrust and can move in a horizontal direction includes a mover in which a bottom surface is arranged so that a predetermined gap is formed in a vertical direction with respect to the sliding surface thereof, in which the mover includes a permanent magnet and a cover, a gap facing surface of the permanent magnet facing the gap includes one magnetic pole, the cover is installed on a side of the permanent magnet opposite from the gap facing surface in the vertical direction, the horizontal outermost diameter of the cover is larger than the horizontal outermost diameter of the permanent magnet, and the cover is formed of a flat plate.

Abstract: A linear motor achieves both a decrease in pulsation and an increase in propulsion with a 6n teeth structure provided with: a first mover for holding permanent magnets arranged longitudinally; a first stator having 6n teeth that are arranged so as to oppose the first mover and 6n windings that are wound on the respective teeth; a second mover holding permanent magnets longitudinally; a second stator having 6n teeth that are arranged in the longitudinal direction so as to oppose the second mover and 6n windings that are wound on the respective teeth The permanent magnets opposing each other in the first mover and the second mover are disposed with a phase difference of ?/2 in the moving direction of the two movers, and electrical currents with a phase difference of (1+6m)?/3 or (2+6m)?/3 are supplied to the windings opposing each other in the first stator and the second stator.

Abstract: The present invention controls liquid shaking during transportation while maintaining high-precision with respect to the stopping position of a specimen at the time of device start-up.

Abstract: The present invention provides a transport device and a specimen analysis system including the transport device that reduce the pulsation of thrust for moving an object to be transported, reduce vibration of the object to be transported during transport, and realize stable transport. The transport device of the present invention includes a first electromagnet unit including a first tooth made of a magnetic body, a first core connected to the first tooth and made of a magnetic body, and a first winding formed around the first core; a second electromagnet unit including a second tooth installed adjacent to the first electromagnet unit and made of a magnetic body, a second core connected to the second tooth and made of a magnetic body, a second winding formed around the second core; and a magnetic coupling unit made of a magnetic body between the first tooth of the first electromagnet unit and the second tooth of the second electromagnet unit.

Abstract: An electromagnetic actuator device reduces pulsation and improves thrust, and includes: a magnet; and an armature that moves relative to the magnet. The armature includes: a plurality of teeth formed in a relative movement direction; a plurality of slots between the plurality of teeth; a yoke connecting the plurality of teeth; and a winding around the plurality of slots. The magnet includes a plurality of magnet portions facing the plurality of teeth via a gap and are disposed in the relative movement direction. A relationship between a minimum sectional area Sc1 of one tooth end portion of the armature and a minimum sectional area Sc2 of the other tooth end portion is Sc1>Sc2; and a relationship between the minimum sectional area Sc2 of the other tooth end portion and a sectional area Sy of the yoke in a direction crossing the relative movement direction is Sc2?Sy.

Abstract: The present invention comprises: an object to be conveyed that has at least one permanent magnet 10; a magnetic pole 25 that has a core 22 comprising a second magnetic body and a winding 21 wound around the outer periphery of the core 22; a drive circuit 50 for supplying a current to the winding 21 of the magnetic pole 25; a current detection unit 30 for detecting the value of the current flowing through the winding 21; and a computation unit 40 for estimating the position of the permanent magnet 10 on the basis of the current value detected by the current detection unit 30 and controlling the value of the current supplied from the drive circuit 50 to the winding 21 on the basis of information about the estimated position of the permanent magnet 10.

Abstract: The invention provides a conveying device having a conveying performance higher than that of the related art, a sample analysis system and sample pretreatment device with the conveying device and a method for conveying a conveyance object. A conveying device 1 includes a permanent magnet 10 which is provided on a sample rack 111 side, magnetic poles 25 each of which includes a core 22 made of a second magnetic body and a winding 21 wound around an outer periphery of the core 22, drive circuits 50 each of which supplies a current to the winding 21 of the magnetic pole 25, and current command calculation units 55 each of which controls a value of the current to be supplied to the winding 21 from the drive circuit 50. The current command calculation unit 55 makes the currents to be supplied to the windings 21 vary.

Abstract: An objective of the present invention is to provide a conveyance device that can increase inductance variation while suppressing the lowering of thrust. A conveyance device 1 conveys an article 110 to be conveyed. The article 110 to be conveyed can be conveyed by a magnetic force. The conveyance device 1 comprises a plurality of electromagnets 25a and 25b. Each electromagnet 25a, 25b comprises: teeth 22, 22a, 22b, 22c and 22e including a magnetic body; and windings 21, 21a and 21b wound around the teeth 22, 22a, 22b, 22c and 22e. The conveyance device 1 comprises a yoke 26 for magnetically coupling the electromagnets 25a and 25b, and driving circuits 50a and 50b for supplying current to the windings 21, 21a and 21b. The teeth 22, 22a, 22b, 22c and 22e have a cavity 27 extending in the axial direction.

Abstract: Provided is a conveyance device capable of reducing the weight of a conveyance device while preventing magnetic saturation. A conveyance device according to the present invention is characterized by comprising a conveyance path (65) in which a conveyed object is moved, an electromagnet provided on the surface of the conveyance path (65) opposite to the surface on which the conveyed object moves, and a drive circuit for supplying a current to the electromagnet, the electromagnet including teeth (22a, 22b) formed from a magnetic body, and windings (21a, 21b) wound onto the surface of the teeth (22a, 22b), a yoke (26) is provided that supports the teeth (22a, 22b), and the relationship between the minimum cross-sectional area Sy of the yoke (26) and the minimum cross-sectional area St of the part of the teeth (22a, 22b) where the windings (21a, 21b) are provided is Sy<St.

Abstract: Provided is a transport device in which reliability is increased by suppressing deterioration of the transport surface and transport efficiency is increased by suppressing electrical current loss. A transport device 1 comprising a transported body having either a permanent magnet 10 or a magnetic body, and an electromagnet unit in which coils 21 are wound around teeth 25 comprising magnetic bodies, and having recesses on surfaces of the teeth 25 facing the transported body. Specifically, the surfaces of the teeth 25 facing the transported body have at least two surfaces (first facing surface 22, second facing surface 23, etc.) which have different distances to the transported body.

Abstract: Provided is a sample transport device, a sample analysis system, and a sample pretreatment device which have high positional accuracy when stopping a sample and can adjust a minute position when stopping the sample. A sample transport device (1a) according to the present invention includes: a sample provided with a permanent magnet (10); a transport path through which the sample is to be transported via the permanent magnet (10); a plurality of coils provided on a surface of the transport path opposite to a surface on which the sample is to be transported; and a drive circuit that causes a current to flow through the coils.

Abstract: The present invention provides an electromagnetic suspension capable of suppressing interference with other components and devices, being mounted in a narrow space, and having a small thrust pulsation, a large thrust, and a high damping performance even for a high-frequency vibration source. An electromagnetic suspension of the present invention includes a linear motor that includes an armature and a permanent magnet portion, the armature including a winding and a magnetic body, the permanent magnet portion being disposed on an outer periphery of the armature and including a permanent magnet and a cylindrical magnetic body, and the armature and the permanent magnet portion being relatively linearly driven in the linear motor, in which a recess recessed from an outer peripheral portion of the cylindrical magnetic body and a protrusion protruding from the outer peripheral portion are disposed on the same circumference of the outer peripheral portion of the cylindrical magnetic body.

Abstract: Provided are a transport device and an analysis system in which a stability of transport at a time of restart is further enhanced while achieving cost reduction by a position-sensorless configuration. A transport device includes: a plurality of coils 25a, 25b configured to generate a thrust to transport a transport container 20; a drive circuit 50 configured to apply a voltage to each of the plurality of coils 25a, 25b; and a calculation unit 40 configured to estimate a position of the transport container 20 based on current information when voltage pulses 80, 81 are applied to the coils 25a, 25b. When a power supply of the device is activated, the calculation unit 40 applies a voltage pulse 80 in a positive direction and a voltage pulse 81 in a negative direction to the target coils 25a, 25b so as to detect the position of the transport container 20 from the current information of current flowing through the coils 25a, 25b.