Abstract: A magnetic force control device includes a first pole piece having an interaction surface, made of a ferromagnetic material, and configured to be in contact with an N pole of a permanent magnet, a second pole piece having an interaction surface, made of a ferromagnetic material, and configured to be in contact with an S pole of the permanent magnet or another permanent magnet different from the permanent magnet, rotary permanent magnet configured to be rotatable to define a first arrangement state in which an N pole thereof is magnetically connected to the second pole piece and an S pole thereof is magnetically connected to the first pole piece and a second arrangement state in which the N pole is magnetically connected to the first pole piece and the S pole is magnetically connected to the second pole piece.

Abstract: An article is presented. The article includes one or more ceramic insulators having a plurality of recesses including a first portion having a first set of recesses of the plurality of recesses and a second portion having a second set of recesses of the plurality of recesses. At least a portion of a first conductor and at least a portion of a first cooling channel are overlappingly disposed in a recess of the first set of recesses. At least a portion of a second conductor and at least a portion of a second cooling channel are disposed in at least one recess of the second set of recesses wherein the at least a portion of the second cooling channel offsets from the at least a portion of the second conductor. A system including the article is also presented.

Abstract: A contact device includes a moving contactor, a pair of moving contacts arranged in one direction, a pair of fixed terminals, and a pair of fixed contacts. At least one fixed terminal, selected from the pair of fixed terminals, includes a contact holder. The contact holder includes a first fixed extension and a second fixed extension. As for either a current component flowing in the one direction into the fixed contact or a current component flowing in the one direction out of the fixed contact, the current component flowing through the first fixed extension has a larger amount of current than a current component flowing through the second fixed extension.

Abstract: A system includes a first group of cassettes, each cassette including a first stationary bar, a first plurality of fixed contact members, and a first plurality of movable contact members, each of which is electrically coupled and rotatably connected to the first stationary bar and configured to contact one of the first plurality of fixed contact members. The system includes a second group of cassettes each including a second stationary bar, a second plurality of fixed contact members, and a second plurality of movable contact members, each of which is electrically coupled and rotatably connected to the second stationary bar and configured to contact one of the second plurality of fixed contact members. The system includes at least one operating mechanism to control opening and closing of the movable contact members. The first stationary bar is coupled to the second stationary bar.

Abstract: A system comprises an industrial enclosure, first and second magnetic controls in close proximity to one another, and a magnetic field sensor. The first and second magnetic controls are secured to an outer surface of a cover of the industrial enclosure without penetrating an inner surface of the cover. The magnetic field sensor within the industrial enclosure senses a characteristic of the first magnetic control and a characteristic of the second magnetic control, and generates a signal corresponding to each of the characteristics. The signal is used by a controller to identify a setting of each of the first and second magnetic controls. Each of the first and second magnetic controls are positioned proximate to one another and each has a polarity and/or magnetic field strength that does not interfere with the detection of the others respective characteristic.

Abstract: It is provided a multi-stator rotating electrical machine including: an inner stator; an outer stator; a rotor provided radially between inner stator and the outer stator; an inner gap distance between the rotor and the inner stator; and an outer gap distance between the rotor and the outer stator. An average of the inner gap distance is between 75 and 80 percent of an average of the outer gap distance.

Abstract: Provided are a rare-earth magnet capable of realizing a high magnetic flux amount without using any back yoke, and a linear motor comprising a movable element using the rare-earth permanent magnet. A rare-earth permanent magnet-forming sintered body for forming a permanent magnet is integrally sintered while being formed into a given three-dimensional shape with a lengthwise cross-section having a first surface extending in a length direction thereof, a second surface lying at a distance from the first surface in a thickness direction thereof and extending in the length direction, and an edge surface of each of lengthwise opposite ends thereof. This sintered body is formed such that easy magnetization axes of the magnet material particles included in a central region thereof are oriented in such a manner as to be directed along an arch-shaped path.

Abstract: A latching relay includes first and second coils and a common plunger operatively connected therebetween such that activation of the first coil moves the plunger in a first direction and activation of the second coil moves the plunger in a second direction, opposite the first direction, the first and second directions lying in a first plane. A limit switch includes a common contact and first and second coil contacts, where a position of the common contact is alternately switched between electrical connection to either the first or second coil contact based on a position of the plunger. A slide toggle accessible by a user is operatively connected to the plunger and slideable together with the plunger such that actuation of the slide toggle by the user causes manual actuation of the plunger. The slide toggle is slideable in a second plane parallel to the first plane.

Abstract: An electric machine includes a winding yoke defining a plurality of winding slots between circumferentially spaced apart teeth. A respective winding separator is mounted within each of the winding slots. The winding separator is mounted to a keying feature that extends from the winding yoke into the winding slot. The winding yoke can be a laminated structure, wherein the teeth and keying features are part of a common laminated structure with the winding yoke. The winding yoke can be a stator, and a rotor can be mounted within the stator for rotary movement relative to the stator.

Abstract: In the actuator, the first end plate part of the first cover member in the support body is layered on one side in the first direction of the holder and faces the first yoke of the movable body from one side in the first direction. The second end plate part of the second cover member in the support body is layered on the other side in the first direction of the holder and faces the movable body from the other side in the first direction. Thus, the first viscoelastic member interposed between the movable body and the first end plate part in the first direction properly contacts with the movable body and the first end plate part. The second viscoelastic member interposed between the movable body and the second end plate part in the first direction properly contacts with the movable body and the second end plate part.

Abstract: In some examples, an electric machine system including an outer housing; a stator assembly within the outer housing; a corrugated ring located between the stator assembly and the outer housing, the corrugated ring defining a gap between the stator assembly and the outer housing; and a pump configured to transfer a fluid through the gap between the stator assembly and housing to remove heat from at least one of the stator assembly or outer housing.

Abstract: A computing device having an interface surface and one or more attachment features oriented on the interface surface is described. A removable support device with an interface surface and one or more attachment features oriented on the interface surface is described. A support system with a computing device and a removable support device is described. A method of using a support system is described.

Abstract: A switch assembly comprises a plurality of contacts, a switch including a contact bridge and an armature connected to the contact bridge, and a switch status detector positioned remotely and electrically isolated from the switch. The switch has an open position in which the contacts are electrically separated from one another and a closed position in which the contacts are in electrical contact with each other through the contact bridge. The switch status detector includes an electronic oscillator coupled with a coil wrapped around a core. The switch status detector outputs an oscillating voltage that varies depending upon a position of the switch between the open position and the closed position.

Abstract: An electronically commutated direct current motor made up of a cylindrically shaped non-ferrous stator winding; a cylindrically shaped, magnetically conductive back iron arranged radially outside of the stator winding; and a cylindrically shaped permanent magnet rotor arranged concentrically within the stator winding, wherein the magnetically conductive back iron has different magnetic conductivities over its circumference.

Abstract: A rivet-type contact of the present invention has a head part made of a contact material, and a leg part narrower than the head part in width and configured to be deformed at fixation. The leg part includes a flange part larger than the leg part in diameter, in an end part of the side of the head part, the flange part is embedded in the head part such that a lower end surface of the flange part and a lower end surface of the head part become approximately flat, and a length (l) between an endmost part of the flange part and a starting point of the leg part satisfies l<L with respect to a length (L) between an endmost part of the head part and the starting point of the leg part. Specifically, it is favorable that l satisfies 0.5 L?l?0.9 L with respect to L.

Abstract: An electromagnetic actuator comprising a moving armature (41) comprising a pin (43) and a permanent magnet arrangement (45) arranged coaxially with the pin (43) and secured to it, and an excitation coil arrangement (42) arranged coaxially with the pin (43). The coil arrangement (42) is suppliable with a current to cause a movement of the movable armature (41). The actuator further comprises a surface (51) of ferromagnetic material. The permanent magnet arrangement (45) is axially interposed between the surface (51) of ferromagnetic material and the excitation coil arrangement (42). The permanent magnet arrangement (45) comprises a plurality of permanent magnet regions (45a) arranged around the pin (43) of the moving armature (41), wherein each permanent magnet region (45a) has a polarity opposite to the polarities of the permanent magnet regions (45a) angularly adjacent thereto. The excitation coil arrangement (42) comprises a coil having a lobed shape.

Abstract: An arrangement for mounting a coil winding on a stator tooth, the arrangement comprising a mounting element having a first mounting arm for receiving a first stator tooth and a second mounting arm for receiving a second stator tooth, wherein the first mounting arm is movable relative to the second mounting arm between a first position and a second position; means for mounting an electrical conductor on the first stator tooth and the second stator tooth when the first mounting arm is in the first position relative to the second mounting arm to form a coil winding on the first stator tooth and the second stator tooth; and means for placing the first mounting arm in the second position relative to the second mounting arm when the conductor has been mounted on the first stator tooth and the second stator tooth to allow the first stator tooth and the second stator tooth to be removed from the first mounting arm and the second mounting arm respectively.

Abstract: The disclosure relates to an electromagnetic switch, comprising: an armature; a slider configured to manually move to actuate the armature; and a deformable force transfer element positioned between the slider and the armature, wherein the slider is configured to be pressed against the deformable force transfer element to actuate the armature with a press force, and wherein the deformable force transfer element is configured to deform when a press force threshold value is exceeded to limit a transferable force from the slider onto the armature.

Abstract: The present disclosure generally relates to a mechanism for making a MEMS switch that can switch large electrical powers. Extra landing electrodes are employed that provide added electrical contact along the MEMS device so that when in contact current and heat are removed from the MEMS structure close to the hottest points.

Abstract: The present invention relates to a magnetic levitator. The magnetic levitator comprises a first portion having a first arrangement of a plurality of permanent magnets, and the first arrangement has first and second circumferences. The magnetic levitator also comprises a second portion having a second arrangement of a plurality of permanent magnets, and the second arrangement has a third circumference. The first and second arrangements are rotationally symmetrical, and the first circumference is larger than the third circumference. In use, one of the portions is magnetically levitated by the other one of the portions, and the second circumference is arranged substantially aligned to the third circumference.