Linear actuators are disclosed. The linear actuator comprises a thruster and a stator. The thruster includes a thruster winding, and the stator includes a stator winding. The stator is disposed about the thruster. The linear actuator also includes a sheath disposed about the stator and the thruster. The thruster is configured to translate within the sheath relative to the stator upon application of an electrical current to the stator winding, the thruster winding, or a combination thereof. The stator winding and the thruster winding each comprise a nonpermanent magnet.

A balanced armature receiver including a motor with a yoke for retaining magnets and fastening to an armature are disclosed. The yoke includes a close-ended wall structure formed of a soft magnetic material having multiple folded corners defining an armature passage. A first magnet retaining wall portion of the yoke is arranged in parallel with, and opposite, a second magnet retaining wall portion, wherein at least a portion of the first magnet retaining wall portion has a reduced thickness relative to other wall portions of the close-ended wall structure. The armature is connected to the reduced thickness portion of the first magnet retaining wall portion, thereby reducing an overall z-axis dimension of the motor.

The present invention provides an electromagnetic device comprising: a power circuit, and a contact initiated electro-magnet having an electrical coil in operable connection with the power circuit, wherein one end of the electrical coil is directly connected to the power circuit and the other is connected to the magnetic core of the electromagnet such that, in use, the magnetic core performs the dual purposes of (i) focusing the electromagnetic field created by the coil and (ii) forms part of the electrical circuit that energizes the magnetic core of the electromagnet. Multiple electromagnetic devices may be combined to form a kinetic device capable of creating an electrically-based movement device that mimics the form and function of the skeletal muscle through the use of multiple contact initiated electromagnets held within elastic tubes.

A vapor impermeable solenoid for a fuel tank isolation valve assembly an outer housing defining an inner cavity, windings configured to generate a magnetic flux when energized, and a flux collector configured to direct the magnetic flux. An armature tube is disposed within the inner cavity inboard of the flux collector and formed of a magnetic and vapor impermeable material configured to prevent fuel vapor molecules from passing therethrough. A pole piece is disposed within the armature tube, and a magnetic armature is disposed within the armature tube and operably coupled to a seal configured to selectively seal a passage that allows fuel vapor to pass to a purge canister. The magnetic armature is configured to move from a first position to a second position when an electric current is applied to the windings.

A magnetic device comprising at least one stator (1) and one actuator (2), wherein the stator (1) and the actuator (2) respectively comprise at least one magnet with pole ends and a line of action of the magnet, and the actuator (2) can be moved linearly along a movement axis (3) and/or rotatably about a movement axis in a movement direction (4), wherein a stator line of action (15) of the stator (1) or a stator extension line (16) of the stator line of action (15), which stator extension line (16) extends as a geometric ray away from the pole end of the stator (1) as geometric tangent to the stator line of action (5), and an actuator line of action (25) of the translator (2) or an actuator extension line (26) of the translator line of action (25), which translator extension line (26) extends as a geometric ray away from the pole end of the translator (2) as geometric tangent to the translator line of action (25), respectively have intersection points (10), and the stator line of action (15), possibly the stator extension line (16), the translator line of action (25), and possibly the translator extension line (26) form a closed geometric shape so that the magnetic flux between the stator (1) and the translator (2) is bundled, wherein lines of action (5) and extension lines (6) extend through the magnetic device in an intersecting plane (11) comprising the movement axis (3).

An armature for an electromagnetic actuator, the armature including an armature body, at least one electrically conductive member configured for cooperation with a magnetic field generator of an electromagnetic actuator, and a connection end configured for connection of the armature to an apparatus operable by an electromagnetic actuator. The armature body also having a cellular structure. The armature may form part of an electromagnetic actuator, which in turn may be a component in a switch device. The armature may be manufactured by an additive manufacturing process.

An actuator device includes at least one stationary unit, with at least one electromagnetic actuator element which is movable relative to the stationary unit, and with at least one shape-memory element which is implemented at least partly of a shape-shiftable shape-memory material, wherein the shape-memory element is configured, in at least one operation state, to at least partly hinder a movement of the actuator element in a first movement direction and in a second movement direction that differs from the first movement direction, at least via a mechanical deformation.

One embodiment provides a multi-directional actuating module capable of moving in various directions and capable of delivering various tactile senses such as knocking or rubbing as well as vibration by controlling at least one of the intensity, direction or frequency of a magnetic field generation unit. Further, the multidirectional actuating module according to one embodiment may comprise: a moving body capable of moving in at least two or more axial directions by means of an external magnetic field; a support for supporting the moving body so as to be movable; and at least two or more magnetic field generation units which are in the form of a coil to generate the magnetic field.

The present invention relates to a bobbin and a coil assembly and electromagnet equipment including the same, and the electromagnet equipment, which includes a bobbin and a coil, includes a coil assembly receiving a refrigerant so as to remove heat produced when magnetic field lines are formed by an electric current running through the coil while the coil is wound on a center shaft relative to the center shaft provided on a center of the bobbin; and a terminal block provided on a lower side of the coil assembly, the terminal block supporting the coil assembly and receiving a refrigerant from outside and supplying the refrigerant to the coil assembly.

A device is for giving a continuous, smooth thrust at a chosen direction of movement by exploiting a difference of initial impulses and final impulses given to rotational sources of magnetic field. Interactions between the magnetic field of the rotational sources and electromagnetic fields generated by stationary sources cause the impulses of various magnitudes and directions. The device is for creating a thrust at any chosen direction. The device does not require any motor. The device is only powered by electricity which may be supplied from solar panels, nuclear reactor, alkaline battery, and other sources.