An electromagnetic connector is disclosed that is configured to form a first magnetic circuit portion comprising a first core member and a first coil disposed of the first core member. The electromagnetic connector is configured to mate with a second electromagnetic connector, where the second electromagnetic connector is configured to form a second magnetic circuit portion comprising a second core member and a second coil disposed of the second core member. The first core member and the second core member are configured to couple the first coil to the second coil with a magnetic circuit formed from the first magnetic circuit portion and the second magnetic circuit portion when the electromagnetic connector is mated with the second electromagnetic connector. The magnetic circuit is configured to induce a signal in the first coil when the second coil is energized.

A bobbin wound coil for an electromagnetic coupling includes a bobbin having a cylindrical body, end flanges disposed at opposite ends of the body and a terminal connector on an exterior side of one of the end flanges. A coil has a beginning portion extending through first openings in the terminal connector and an end flange and an end portion extending through second openings in the terminal connector an end flange. The second openings in the terminal connector and end flange are forward and rearward, respectively, of the corresponding first openings in a circumferential direction. A section of the beginning portion extends between the first openings in the terminal connector and end flange and a section of the end portion extends between the second openings in the terminal connector and end flange such that section of the end portion crosses over the section of the beginning portion.

A bobbin wound coil for an electromagnetic coupling includes a bobbin having a cylindrical body disposed about a central axis, end flanges disposed at each axial end of the body and a terminal connector on an exterior side of one of the end flanges. The terminal connector includes a body defining a central cavity and a post extending from an exterior surface of the body of the terminal connector. A coil includes a beginning portion extending through the body of the terminal connector and the end flange on which the terminal connector is located, an end portion extending through the body of the terminal connector and the end flange, and a center portion extending between the beginning portion and the end portion and wound about the cylindrical body of the bobbin. One of the beginning portion and the end portion of the coil is wound about the post.

A bobbin wound coil for an electromagnetic coupling includes a bobbin having a cylindrical body, end flanges disposed at opposite ends of the body and a terminal connector defining a central cavity bordered, in part, by inner and outer walls and a side wall extending between the inner and outer walls. A coil has a beginning portion extending through first openings in the inner and outer walls, an end portion extending through second openings in the inner and outer walls, and a center portion wound about the bobbin body. The first and second openings in the inner wall divide the inner wall into first and second circumferential end sections and a center section. A portion of one of the circumferential end sections and the center section is spaced from the side wall to define a recess configured to receive one of the beginning and end portions of the coil.

A magnetic coupling, includes a driving rotor sleeved on the driving shaft, a driven rotor sleeved on the driven shaft, external magnets mounted on the driving rotor and internal magnets mounted on the driven rotor and located on the inner sides of the external magnets; a plurality of internal magnets are arranged and uniformly distributed along the circumferential direction of the driven rotor; the external magnets and the internal magnets are aligned one by one along a radial direction; the internal magnets and the external magnets are magnetized along the radial direction; adjacent internal magnets have opposite magnetizing directions, and adjacent external magnets have opposite magnetizing directions; magnetic poles of the internal magnets are opposite to magnetic poles of the corresponding external magnets, and the driving rotor and the driven rotor form a working magnetic circuit through a magnetic field generated by the external magnets and a magnetic field generated by the internal magnets, wherein at least the external magnets are magnet exciting coils that generate a working magnetic field through power supply.

A stator coil assembly is provided comprising: a stator having a stator core; a cover positioned within the stator core; a top section coupled to the cover to define an interior region, the top section including a pair of protrusions, each protrusion having a bore extending therethrough; a bobbin disposed within the interior region; a plurality of coil windings wrapped around the bobbin; a pair of lead wires, each lead wire extending through a corresponding protrusion bore and connecting to the coil windings within the interior region; and a pair of hermetic seals, each hermetic seal surrounding a corresponding lead wire within a protrusion bore to hermetically seal the interior region.

Provided are a coil device that considerably reduces the man-hours and the cost for manufacturing, and a motor-driven valve and a solenoid valve including such a coil device. The terminal end of the magnet wire is fixed to a conducting terminal by swaging and/or fusing at a distal-end binding part for binding the terminal end of the magnet wire.

A coil assembly for vehicle braking includes a hollow bobbin configured to allow a coil to be wound along an outer circumferential surface thereof, and having at least one engagement protrusion formed on an upper surface and/or a lower surface, a plurality of lead pins coupled with the bobbin to supply current to the coil, a plurality of pin assembly units formed on two side ends of the bobbin to fix the lead pins and connect the lead pins to the coil and a hollow case configured to surround at least a portion of the bobbin, and formed to be bent in the upper and lower portions in a first direction to be attached to the upper and lower surfaces of the bobbin.

A vehicle storage assembly of the vehicle is provided. The vehicle storage assembly if the vehicle includes a storage compartment comprising an opening to permit access to the compartment, a door proximate the opening and movable between an open position and a closed position, a latching mechanism comprising a residual magnet for latching a door in the closed position in a first magnetic state and for releasing the door to open to the open position in a second magnetic state, and a proximity switch for activating the latching mechanism to allow the door to move to the open position.

An electromagnetic brake for an electric motor includes a brake core having a coil bobbin holder in which a coil bobbin is housed and a connector insertion hole into which a connector is inserted. The coil bobbin includes plural terminal casings in each of which a terminal is set. The terminal has a first contact, which creates a connection with a winding engaged in catches of the terminal casing with the terminal inserted in the terminal casing, and a second contact which contacts an electrode of the connector inserted in the connector insertion hole with the terminal set in place in the terminal casing.