Abstract: A contact part for a relay includes two sets of movable contact parts, each set of the movable contact parts including a movable contact piece, a movable contact unit disposed on the movable contact piece, and a static contact unit, two movable contact units of the contact part corresponding to two static contact units of the contact part, respectively. Wherein when the contact part is in a disconnected state, a contact gap between the movable contact unit and the static contact unit corresponding to each other in one set is smaller than a contact gap between the movable contact unit and the static contact unit corresponding to each other in the other set.

Abstract: A component for a high-voltage electric system of a vehicle includes a hollow body having a circular cross section; a first contact arranged circumferentially in the body and configured to be externally exposed and to reach an interior of the body; a second contact arranged circumferentially in the body and configured to be externally exposed and to reach an interior of the body, the second contact separated from the first contact in the axial direction of the body; an axially movable connector element arranged within the body; and an electromagnetic relay to control axial movement of the connector element. The relay is configured so that actuation of the relay results in an axial movement of the connector element to form an electrical connection between the first contact and the second contact.

Abstract: A magnetic shielding structure for a relay contact and a relay are provided, the magnetic shielding structure includes a contact assembly, which includes a movable contact piece and a pair of stationary contact lead-out terminals, which can contact with or separate from each other; an anti-short circuit assembly, which is at least disposed at a side of the movable contact piece along a third direction, and can generate suction force when a faulty high current in the movable contact piece for resisting an electrodynamic repulsion force between the movable contact piece and the stationary contact lead-out terminals; a permanent magnet, which is disposed around the contact assembly to achieve arc extinguishing; a first magnetic shielding member, which is sleeved on the outside of a stationary contact lead-out terminal and blocks the magnetic field transmitted from the permanent magnet to the anti-short circuit assembly.

Abstract: Head coil systems and methods involving a plurality of portions, each portion of the plurality of portions having a magnetically conductive receiver coil and a frame configured to accommodate the magnetically conductive receiver coil, and each portion of the plurality of portions configured to couple and decouple with another portion of the plurality of portions; at least one coupling feature configured to at least one of couple, lock, unlock, and decouple at least one portion of the plurality of portions in relation to another at least one portion of the plurality of portions, the at least one coupling feature having a forward coupling feature and an aft coupling feature; and a tilting feature configured to dispose at least one portion of the plurality of portions at an angle in relation to a horizontal plane.

Abstract: A device for moving a magnetic object in a container has two pairs of dipoles grouped around the container. Between the pairs of dipoles a pair of mutually concentrically surrounding quadrupoles is arranged. The dipoles and the quadrupoles are in the form of a Halbach cylinder. In this way, the magnetic object can be moved through the container particularly efficiently.

Abstract: A relay includes a contact assembly, the contact assembly includes a movable contact piece and a pair of stationary contact lead-out terminals, the movable contact piece is configured to contact with or separate from the pair of stationary contact lead-out terminals. At least one of the sides of the stationary contact lead-out terminals and the movable contact piece close to each other is provided with an inner contact portion, and the stationary contact lead-out terminals and the movable contact piece are abutted only by the inner contact portion, and the inner contact portion is disposed on a side where the pair of stationary contact lead-out terminals are close to each other.

Abstract: An electromagnetic relay includes a first fixed terminal, a second fixed terminal, a housing, a coil, and a spool. The second fixed terminal is disposed in front of the first fixed terminal and faces the first fixed terminal. The housing includes a side surface that laterally covers the first fixed terminal and the second fixed terminal. The coil is wound around the spool. The spool includes a support portion and a lateral wall portion. The support portion supports the first fixed terminal. The lateral wall portion extends from the support portion and is disposed between the first fixed terminal and the side surface of the housing in the left-right direction. The front end of the lateral wall portion is located between the first fixed terminal and the second fixed terminal in the front-rear direction.

Abstract: An electrical device includes an actuator assembly configured to facilitate selective opening/closing of an electrical circuit. A plunger is positioned to be acted on by a magnetic field, a shaft is coupled to the plunger, and a movable contact is coupled to the shaft. The plunger includes an axial opening and an undercut formed in a surface defining the axial opening. The shaft is inserted into the opening and an end of the shaft extending from the opening is altered to increase a diameter of the shaft to prevent passage through the opening and such that a portion of the shaft extends into the undercut.

Abstract: An apparatus of fixing a convenient feature for a vehicle, includes a fixing module including an internal space, and a housing provided in the internal space of the fixing module and including a magnetic module therein, the housing being configured to slide toward the convenient feature based on the fixing module, to allow the magnetic module to be accommodated on an armature of the convenient feature when the housing slides toward the convenient feature, and to fix the convenient feature to the fixing module by a fixing force of the magnetic module in a state in which the magnetic module is accommodated on the armature.

Abstract: A relay includes a contact container including a yoke plate and an insulating cover connected with the yoke plate to form a contact chamber; a pair of static contact leading-out terminals passing through a pair of first through holes of the insulating cover; a fixing member within the contact container and fixedly connected with the yoke plate; a movable member within the contact chamber and including a movable contact piece configured to come into contacted with or separated from the pair of static contact leading-out terminals; a moving part movable connected to the fixing member; and a first magnetizer connected with the moving part. The first magnetizer is movable relative to the movable member through the moving part and is configured to adjust a distance between the first magnetizer and the movable member according to a value of a current flowing through the movable contact piece.

Abstract: A docking structure for a satellite includes a magnetic plate and a housing for mounting and constraining the magnetic plate. The magnetic plate includes an outer face and an inner face. The magnetic plate includes a soft magnetic material. The housing extends around at least part of a perimeter of the magnetic plate, over at least part of the outer face of the magnetic plate and over at least part of the inner face of the magnetic plate to mount and constrain the magnetic plate.

Abstract: A magnet assembly for a speaker device that includes a plate member with a plurality of cylindrical bores disposed within the plate member and contains an opening within an upper surface of the plate member. A plurality of cylindrical stands are positioned within each cylindrical bore and extending to a length within the cylindrical bore, leaving a void defined by the distance between an opening of the cylindrical bore to the stand. A plurality of cylindrical magnets are positioned within each cylindrical bore of the plate member and adjacent the stand within each cylindrical bore, wherein the magnets substantially occupy the void.

Abstract: A magnetic latching relay includes a base having a receiving chamber with a first sidewall extending in a longitudinal direction and a second sidewall extending in a transverse direction, and connected with the first sidewall; a coil assembly in the receiving chamber in the transverse direction and having a first end adjacent to the first sidewall; and a fixing frame on the base. The fixing frame has a first side close to the coil assembly, and is in sealed contact with the first end of the coil assembly, and a side of the fixing frame facing the first sidewall is in sealed contact with the first sidewall, forming a first glue dispensing port surrounded by the first sidewall, the second sidewall, the first end of the coil assembly, and the fixing frame.

Abstract: A switch arrangement has a vacuum switch device with a movable contact and a fixed contact. A magnet drive with at least one coil is configured, in the connected state, to exert an attractive force on an armature and to move it. A transmission mechanism is configured to convert a movement of the armature into a movement of the movable contact towards the fixed contact. A polarity reversal device is configured to reverse the polarity of a current flow through the at least one coil. There is also described a corresponding method.

Abstract: A haptic actuator includes a housing having a ferromagnetic wall. The ferromagnetic wall has a set of one or more half shear ferromagnetic features protruding from the ferromagnetic wall into the housing. A movable magnet is positioned within the housing. A pair of springs, respectively attached to opposite sides of the housing and opposite ends of the movable magnet, bias the movable magnet toward a position of rest between the pair of springs. An electric coil is attached to the set of one or more half shear ferromagnetic features and positioned between the movable magnet and the set of one or more half shear ferromagnetic features.

Abstract: A multi-coil voice coil motor (VCM) may be configured to be used as a haptic actuator for providing haptic feedback to a user. When implemented in a handheld controller having one or more controls, the multi-coil VCM may be configured to provide haptic feedback to a user of the controller. The multi-coil VCM may include a housing, multiple concentric coils, and a magnet coupled to the housing. The multiple concentric coils may include a first coil disposed on a first support coupled to the housing and a second coil disposed on a second support coupled to the housing, wherein the multiple concentric coils may have different diameters to allow for the concentricity of the coils. A system may include one or more haptic actuators, such as the multi-coil VCM, the haptic actuator(s) being configured to provide haptic feedback by causing at least a portion of a finger-operated control(s) to vibrate.

Abstract: A triboelectric film and its laminate that utilize a conductive primer are provided. The triboelectric effect is a type of contact electrification such that with a suitable configuration, a current may flow from one region to another. When decorative triboelectric films are touched, electrical charges are built up and the generated electrical charges between a human body and films flow through a conductive primer. This system based on the triboelectric effect and the conductive primer can provide electrical functions to decorative film products without there being any large changes.

Abstract: A circuit breaker device protects an electrical low-voltage current circuit. The level of a current of the low-voltage current circuit is ascertained periodically such that current values are provided incrementally. The level of the voltage of the low-voltage current circuit is ascertained periodically such that voltage values are provided incrementally. The change in the current is ascertained from the periodically ascertained current values over time such that current change values are provided incrementally, and a differential voltage is ascertained from the periodically ascertained voltage values and an expected value of the voltage such that differential voltage values are provided incrementally. Each current change value is compared with a second threshold, and each differential voltage value is compared with a first threshold. If the first and second thresholds are exceeded, an interruption of the current circuit is initiated by switching elements being set to a high-ohmic state.

Abstract: Embodiments provide a housing assembly including a housing having a plug-in side and enclosing an electromechanical component, the housing configured for mounting on a carrier, wherein the housing has a first assembly guide configured for engaging in a first plug-in slot guide arranged on the carrier, and wherein the plug-in side of the housing is guidable into a plugged-in position on the carrier by this engagement.

Abstract: There is provided electromagnetic actuator. The electromagnetic actuator comprises a mover, a tubular coil and a tubular coil holder. The mover has a magnet. The tubular coil holder holds the tubular coil. The tubular coil holder has a cylindrical inner space for receiving the mover. The tubular coil and the magnet are configured to cooperate with each other to generate a force to move the mover relative to the coil holder along an axial axis. The mover comprises a ferromagnetic element arranged to change an inductance of the tubular coil in dependency on a position of the mover relative to the tubular coil holder. Further, there is provided a valve for opening and closing a conduit. The valve comprises the electromagnetic actuator.