Abstract: Provided is a self-repairing energy generating element using a shape memory polymer, including a first electrode; a shape memory friction layer made of the shape memory polymer on the first electrode and having a microbump pattern formed on a surface thereof; a second electrode disposed apart from the shape memory friction layer; and an opposing layer formed on the second electrode and configured to face the shape memory friction layer.

Abstract: An electrically actuated rotary drive device which has a gear casing with an electrical drive motor mounted at its rear side and on which is rotatably mounted an output member in driving connection with the drive motor. The driving connection is realized by gearing means provided in the gear casing and containing a driven gear fitted to the output member, in the form of a ring gear with internal tooth system, and a drive pinion belonging to the drive motor and with an external gear teeth system. The drive pinion extends into the ring gear, inside the gear casing.

Abstract: A power relay for a vehicle, in particular a utility vehicle, is disclosed. The power relay contains a housing formed by a connecting base and a housing pot that is placed on the connecting base. Accordingly, two connecting bolts for establishing contact with an on-load circuit are formed by standard screws.

Abstract: A controllable trip device includes a magnetic actuator, including a coupling member intended to be coupled to a switching mechanism of an electrical circuit breaker to cause the switching thereof and a coil configured to displace the coupling member towards a tripped position when it is supplied with a pulse of a current of intensity greater than a first predefined threshold for a duration greater than or equal to a predefined duration, a control device, configured to supply the coil, immediately on receipt of a control signal, with a series of pulses of duration equal to the predefined duration and of intensity greater than or equal to the first threshold and less than or equal to a second threshold equal at most to 120% of the first threshold.

Abstract: A magnetic attachment mechanism and method is described. The magnetic attachment mechanism can be used to releasably attach at least two objects together in a preferred configuration without fasteners and without external intervention. The magnetic attachment mechanism can be used to releasably attach an accessory device to an electronic device. The accessory device can be used to augment the functionality of usefulness of the electronic device.

Abstract: A wiring device including a fault detection circuit, an actuating device, a first switching device, a second switching device, and a third switching device. The fault detection circuit is configured to detect one or more fault conditions and generate a trigger signal. The first switching device is activated to turn on when said trigger signal is received from said fault detection circuit. The second switching device includes a first pin, a second pin, and a third pin, said second switching device is electrically connected to a first conductive winding of the actuating device and said first switching device. The third switching device includes a first pin, a second pin, and a third pin, said third switching device is electrically connected to a second conductive winding of the actuating device and said first switching device.

Abstract: This application relates to a case for a portable electronic device. The case includes a magnetic boosting device, carried in a cover of the case. The magnetic boosting device includes a layer of magnetic elements including: (i) a primary magnetic element, and (ii) a secondary magnetic element. The primary magnetic element, characterized by having magnetic poles that are aligned perpendicular to the plane of the cover, provides a first magnetic field. The secondary magnetic element, characterized by having magnetic poles that are aligned parallel to the plane of the cover, provides a second magnetic field. The first magnetic field and the second magnetic field contribute to a resultant magnetic field that is asymmetrically disposed about the plane of the cover. The electronic device can include a sensor and a controller for placing the electronic device in a power saving mode when the cover is in a closed position.

Abstract: A quick-action leakage detection protection circuit with a regular self-checking function is provided. The quick-action leakage detection protection circuit may include a power input end, a power load end, a power user end, twin induction coils for detecting leakage current and low resistance failure, a control chip, a trip coil in which an iron core is disposed, a reset button, a self-checking chip, and a self-checking silicon controlled rectifier. The reset button may be linked with a main circuit switch, an analog path switch, and a normally-open self-checking path switch. The main circuit switch may include a pair of dynamic contact levers extended from the power load end, a first pair of static contact ends extended from the power input end passing through the twin induction coils, and a second pair of static contact ends extended from the power user end.

Abstract: A coil terminal includes: first to third terminal portions configured to supply a current to a coil; a coupler configured to couple these first to third terminal portions; and connectors provided in the coupler and connected with a lead wire of the coil. The coupler is formed by a resistive material, and includes a resistance regulator formed by bending at least part of the coupler.

Abstract: An external connection connector includes: an insulating resin molded body in which are formed integrally: a second flange portion that is fixed to a first axial end surface of a first bulging portion of a unit housing; an extended portion that extends from the second flange portion alongside an outer circumferential surface of the actuator housing toward the first axial end; a first flange portion that extends radially inward from a first axial end of the extended portion; and a connector portion that is formed on the first flange portion; and a plurality of electrical conductors that are insert-molded into the insulating resin molded body such that first ends thereof protrude inside the connector portion and second ends thereof protrude into a connection window that is formed on a second bulging portion of a heatsink, the electrical conductors being connected to control portion connecting terminals inside the connection window.

Abstract: To obtain a permanent magnet type motor capable of securing controllability of a motor and utilizing reluctance torque. An armature winding is a plurality of sets of polyphase windings; the plurality of sets of the armature winding is supplied with current from each individual inverter; the rotor core is provided with permanent magnets on a surface portion thereof, the permanent magnets being circumferentially arranged and the adjacent permanent magnets having polarities opposite to each other; a protrusion portion is provided between the adjacent permanent magnets, the protrusion portion being provided in a protruding condition from the rotor core and being made of a magnetic substance; and a non-magnetic gap portion is interposed between the protrusion portion and the permanent magnet in a rotating shaft direction.

Abstract: An electromagnetic relay includes an electromagnet device, an armature and a fixed terminal. By coil current through a coil, the electromagnet device generates first magnetic flux that forces the armature and the electromagnet device together or apart in a first end in a first direction of the armature. The armature is connected with a movable contact at a second end of the first direction and forces the movable contact and a fixed contact together or apart according to coil current. The fixed terminal is electrically connected with the fixed contact, and provided around the armature so as to cross the armature as seen from a second direction perpendicular to the first direction with the armature closing the fixed and movable contacts. Electric current through the fixed terminal generates a second magnetic flux in the armature, a direction of which is opposite to that of the first magnetic flux.

Abstract: A magnetic mounting system is provided. The system includes a device having a magnetic attachment feature and a magnetic device mount. The magnetic device mount has a mating magnetic attachment feature. The magnetic attachment feature and mating magnetic attachment feature allow specific angular, radial, and/or longitudinal alignment of the device relative to the mount without a mechanical interface. An electronic device holder and charging system with integrated charging and data transfer interface and a self-aligning, magnetic coupling and docking interface with on-demand decoupling feature are also disclosed.

Abstract: A yoke includes an annular groove in which an exciting coil is stored, and a first through hole formed in the bottom of the annular groove. A terminal housing includes a boss portion fitted in the first through hole and a connecting concave portion located on the opposite side of the annular groove with respect to the boss portion. The boss portion includes a second through hole extending in a direction parallel to the center line of the first through hole. An external connecting terminal is buried in the terminal housing. The external includes a coil extraction hole continuing to the second through hole. The extraction end of the exciting coil is soldered to the terminal in a state in which the extraction end is passed through the second through hole and the coil extraction hole.

Abstract: In an electromagnetic relay, a connection terminal includes a first terminal section and a second terminal section. The first terminal section is accommodated in a base and is electrically connected to a coil. The second terminal section protrudes outside the base through a through hole and is electrically connected to an external connection body. The cover includes a second wall section provided to leave a space from a first wall section that has a through hole, and the second terminal section lies in the space. The space in which the second terminal section lies is sealed with a sealant.

Abstract: A magnetic component unit in the present disclosure includes: a coil component; a heat dissipator which has an engagement fixing portion and a press fixing portion; and a magnetic core fixing portion. The magnetic core fixing portion includes: a holding portion that presses against the coil component; an engaging portion that extends from a first end part of the holding portion toward the heat dissipator and has a turned-back end part; and a pressing portion that extends from a second end part of the holding portion toward the heat dissipator and has an end part bent into an L-shape. The engagement fixing portion has a U-shape, and one end and the other end of the engagement fixing portion are connected to a peripheral edge portion of the heat dissipator. The press fixing portion has a columnar shape and is provided vertically protruding from the heat dissipator.

Abstract: Disclosed is a motor including a housing having a first receiving part formed at one side thereof, a stator disposed in the housing, a rotor disposed in the housing, a rotating shaft rotated along with the rotor, a holder coupled to one side of the housing, and a bearing disposed between the first receiving part and the holder to support a rotation of the rotor.

Abstract: A rotor position encoder (01) for an electronically commutated electric machine (02) having a stator and a rotor (03) and including a rotor position sensor (05) which is mounted on the stator so as to rotate therewith and has the purpose of detecting the rotational position of the rotor (03) with respect to the magnetic field of the stator, and a signal encoder (07) which is mounted on the rotor (03) so as to rotate therewith. The rotor position encoder is defined in that it has a reference encoder (08) for detecting reference values of the magnetic flux density of the rotor field, wherein the reference values (09) serve to determine an angular offset (11) between the signal encoder (07) and the position of the rotor (03). Furthermore, a method for determining an angular offset (11) between a signal encoder (07) of a rotor position encoder (01) and a rotor position of an electronically commutated electric machine (02) is provided.

Abstract: In a main magnetic circuit, first pulling force generated based on a first component of the magnetic flux flowing through the main magnetic path pulls a movable core in a reciprocation direction of the movable core. The first pulling force increases with a reduction of a dimension of the gap. In an auxiliary magnetic circuit, second pulling force generated based on the second component of the magnetic flux flowing through the auxiliary magnetic path pulls the movable core in the reciprocation direction of the movable core. In the auxiliary magnetic circuit, the second pulling force with the dimension of the gap being within a first range is changed to be higher than the second pulling force with the dimension of the gap being within a second range, the second range being smaller than the first range.

Abstract: A blower motor of a heating, ventilating and air conditioning (HVAC) system for a vehicle includes: a base including an introduction path to introduce air into the base and a substrate having a plurality of elements attached to the substrate, and a heat sink formed to have a plate shape in surface contact with one surface of the substrate and having a contact surface contacting the air introduced through the introduction path and configured to guide the introduced air to heat generation parts formed on the contact surface.