Abstract: A primary element of an ironless linear motor include cooling plates. Each of the cooling plates is connected to a connecting piece extending in a region of an edge of the cooling plate. The connecting pieces are configured to supply coolant. The connecting pieces are located one above the other in a direction perpendicular to the cooling plates so as to form a common connecting region of the cooling plates at an end face of the primary element. A plurality of coils are disposed between the cooling plates. A coolant distribution header is releasably attached to the connecting region.

Abstract: A lockout subassembly of an electronic circuit breaker. The lockout subassembly includes a rotatable latch bar having an engagement portion configured to engage with and prevent movement of an operating handle to an ON position, the rotatable latch bar including a lock portion, and a latch device configured to be receivable in the lock portion, wherein rotation of the rotatable latch bar is limited between a first and second rotational position in response to the latch device being received in the lock portion. The lockout of the operating handle can be removed upon passing at least one test so that the operating handle can be moved to the ON position. Circuit breakers including the lockout subassembly and methods of operating the circuit breaker are provided, as are other aspects.

Abstract: A rolling bearing device includes a bearing portion and a power generation portion. The power generation portion has a plurality of projecting portions provided on an outer ring spacer, a pair of core members provided on an inner ring spacer, a magnet, and a coil. The power generation portion generates an induced current in the coil as the projecting portions pass in the vicinity of first side end portions of the core members during rotation. There are two different loop paths along which magnetism generated by the magnet flows: a first loop path formed when the projecting portions are close to the first side end portions of the core members; and a second loop path formed when the projecting portions and the first side end portions of the core members are away from each other.

Abstract: Various embodiments are described that relate to energy generation. A housing can retain a spring coupled to a gear set. As the spring experiences linear compression and extension, the spring can cause rotational movement in the gear set. The rotational movement from the gear set can cause rotation of a rotational magnet. The rotational magnet, when rotated about a coil set, can convert an energy. The energy can be used to charge a battery.

Abstract: A magnetic drive has a prime mover, having a first magnet array on a first surface thereof, and a rotor, having a second magnet array on an outer surface thereof. The outer surface of the rotor is located adjacent to the first surface of the prime mover such that movement of the prime mover causes rotation of the rotor about an axis of rotation. A support member has a shaft for defining the axis of rotation of the rotor, and having a third magnet array, and the third magnet array cooperates with a fourth magnet array on the rotor to form a magnetic bearing to resist forces on the rotor acting along the axis of rotation thereof.

Abstract: A coupling mechanism for coupling a light vehicle to a surface, the coupling mechanism comprising: a magnetic coupling device arranged such that it may be switched between a first mode and a second mode, wherein in the first mode the device generates an external magnetic field less than a first strength, and in the second mode the device generates an external magnetic field of at least a second strength, the second strength being greater than the first strength; and a surface detection unit, coupled to the magnetic coupling device, and arranged to determine when the light vehicle is within a predetermined distance of a surface, wherein in response to the surface detection unit determining that the light vehicle is within the predetermined distance, switching the magnetic coupling device from the first mode to the second mode, to secure the light vehicle to the surface.

Abstract: A magnetic spring input device is disclosed. In various embodiments, an input device as disclosed includes a manual input structure movably coupled to a base assembly; and a non-stationary magnet fixedly coupled to the manual input structure; a stationary magnet coupled to the base assembly in a manner that is fixed with respect to at least a first input axis of the input device, the stationary magnet being coupled to the base assembly with a first magnetic pole having a first magnetic polarity is oriented opposite a corresponding magnetic pole of the non-stationary magnet having the first magnetic polarity, in a position that is adjacent to but offset from the non-stationary magnet when the manual input structure is in a neutral position.

Abstract: A method of operating an electro-permanent magnet may include switching the electro-permanent magnet from an on state wherein magnetic fields of switching and permanent magnets combine to generate a first magnetic field having a first magnitude and a first polarity to a reversed state having a second polarity wherein magnetic fields of the switching magnets and the permanent magnets combine to generate a second magnetic field having a second magnitude less than the first magnitude and a second polarity different than the first polarity. The electro-permanent magnet may be switched from the reversed state to an off state wherein magnetic fields of the switching and permanent magnets combine to generate a third magnetic field having a magnitude that is no more than 50 percent of the second magnitude. Related electro-permanent magnets are also discussed.

Abstract: Magnet slot includes a permanent magnet insertion portion and air regions that is formed at both circumferential direction ends of the permanent magnet insertion portion. The air region includes a first circumferentially extending portion that extends from a circumferentially end portion of the permanent magnet insertion portion to a circumferentially outer side, a radially extending portion that extends from the first circumferentially extending portion to a radially inner side, and a second circumferentially extending portion that extends from the radially extending portion to a circumferentially inner side until reaching between the radially inner peripheral surface of the permanent magnet insertion portion and the shaft hole. A radially inner end surface of the radially extending portion and a radially inner end surface of the second circumferentially extending portion are made up of a portion of a circular arc in contact with the circumferentially outer side surface of the radially extending portion.

Abstract: To improve insulation reliability of a dynamo-electric machine. A stator or a dynamo-electric machine using the stator according to the present invention includes a stator iron core in which a plurality of slots aligned in the circumferential direction are formed, a plurality of segment coils inserted into the slots and formed nearly into a U-shape, and an insulator arranged between the segment coils, and the insulator has a part of the insulator formed thicker than the other part of the insulator.

Abstract: The invention relates to a motor stator frame having two plates in cast iron; at least one steel bar connecting both plates, the bar having two ends each attached to one of the plates; and each plate in cast iron has at least one orifice receiving an insert in steel, the end of the bar attached to the plate being welded to said insert.

Abstract: An electric generator has a rotor shaft to be driven to rotate with a generator rotor. A generator stator is positioned adjacent the generator rotor. A housing surrounds the generator rotor and the generator stator. The generator rotor shaft extends outwardly of the housing. A seal seals a location where the rotor shaft extends outwardly of the housing. A vent valve is configured to vent of the interior of the housing when the rotor shaft is not rotating. An electrical assembly is also disclosed. An electrical assembly is also disclosed.

Abstract: A reactor includes a core body having an outer peripheral iron core. A least three iron cores are in contact with or connected to an inner surface of the outer peripheral iron core, and coils are wound onto the at least three iron cores. Gaps are formed between two adjacent iron cores from among the at least three iron cores or between the at least three iron cores and a central iron core disposed at the center of the core body, through which gaps the iron cores are magnetically connectable. The reactor also includes an end plate fastened to at least one end of the core body such that the end plate is shaped to correspond to the outer peripheral iron core. The end plate is formed from a plurality of end plate parts.

Abstract: A simple rugged motor has a stator and a rotor formed by stacked silicon steel sheets operates by having a plurality of major and minor coil windings of the stator individually electrified under signals of a control unit, so as to steadily drive a rotor thereof. The simple rugged motor further has an orbit coupling balance assembly engaging an orbiting scroll for a corresponding fixed scroll disposed in a compression chamber to orbit for air compression, so as to form a scroll compressor. Or the simple rugged motor has a coupling assembly engaging a female screw compressor rotor to compress the air by a rotatable male screw compressor rotor disposed in a compression chamber, so as to form a screw compressor.

Abstract: Electromechanical switch includes first and second stationary contacts. Each of the first and second stationary contacts has a respective mating end. The electromechanical switch also includes a movable contact having first and second contact zones. The first and second contact zones are separate regions of the movable contact that are operable to be covered by the respective mating ends of the first and second stationary contacts, respectively. Each of the first and second contact zones has a mating surface and a corresponding recess that divides at least a portion of the mating surface. Each of the respective mating ends is configured to extend across the corresponding recess and engage the corresponding mating surface on opposite sides of the corresponding recess. The corresponding recess has a depth that extends only partially into the movable contact.

Abstract: A power tool is provided, including a housing; an electric brushless DC motor disposed within the housing; and a control unit disposed within the housing and electrically coupled to the motor. The control unit includes a circuit board, a first set of power switches mounted on a first surface of the circuit board, a second set of power switches mounted on a second surface of the circuit board substantially opposite the first set of power switches and electrically coupled to the first set of power switches forming an inverter bridge circuit, power terminals arranged on a side edge of the circuit board and coupled to the output of the inverter bridge, and a heat sink mounted on the first surface of the circuit board covering the first set of power switches.

Abstract: An electromagnetic relay includes a casing having a housing space open to an external to the casing through an opening. A base is joined to the casing to close the opening. A coil, a pair of fixed contact elements and a pair of movable contact elements are housed in the housing space. A vent hole set to a dimension making it possible to extinguish flame passing therethrough is formed in a portion where the casing and the base are joined together.

Abstract: Provided is a tactile supply device for transferring various types of tactile sensations to a user using tactile sensation providers that include magnetic particles. The tactile supply device includes tactile sensation providers made of magnetic particles and a matrix material, and a magnetic field generator for generating a magnetic field to transform the tactile sensation providers.

Abstract: A rotating machine is disclosed and includes a stator defining a circumference, a plurality of first magnet arrays, a rotor, and a first piston. The first magnet arrays are comprised of a plurality of discrete magnets arranged around the circumference of the stator in a first magnetic pattern. The rotor is rotatable about an axis of rotation and defines a main body. The main body defines a first passageway. The first piston includes a plurality of first magnetic elements and is actuated within the first passageway of the rotor. The plurality of discrete magnets are arranged in the first magnetic pattern and are positioned to interact with the magnetic elements of the first piston to create a first magnetic force as the rotor rotates about the axis of rotation. The first magnetic force represents a first amount of force required to actuate the first piston.

Abstract: A system and method for an automatic transfer switch comprising a fixed contact (26), a first oscillating rod (16) communicatively and operatively connected to a first movable contact (25), a second oscillating rod (18) communicatively and operatively connected to a second movable contact (27), a link rod (12) communicatively and operable connected to the first and second oscillating rods (16, 18), a guide plate (20), and a permanent magnetic actuator (2) comprising a first end and a second end communicatively and operatively connected to the link rod (12) via a third oscillating rod (8), wherein the first end being energized independently of the second end. The automatic transfer switch is operable to position the guide plate (20) based at least on a permanent magnetic force applied to the first end or the second end of the permanent magnetic actuator.