Abstract: The present disclosure provides a base assembly of voice coil motor and a voice coil motor. The base assembly includes a base body having an elastic piece connecting area with a protrusion; a lower elastic piece disposed on the elastic piece connecting area with a first connecting hole, a second connecting hole, and a first trench, the protrusion is exposed from the first connecting hole, and the first trench is disposed between the first connecting hole and the second connecting hole; a connecting piece; and a terminal having a conductive part and a terminal connecting part, wherein the conductive part is disposed in the base body, the terminal connecting part passes through the elastic piece connecting area and protrudes from the elastic piece connecting area, and a part of the terminal connecting part is exposed from the second connecting hole to be fixedly connected to the lower elastic piece.

Abstract: A linear translator device, including: a first body; a second body; and a plurality of actuators; wherein each actuator includes a first part first part mounted to the first body and a second part is mounted to the second body, the first part includes a front end and a back end, the second part is configured to extend and retract parallel to the direction of motion; wherein the plurality of actuators are arranged so that the extending or retracting direction of the second part of one of the plurality of actuators is offset, parallel and opposite to that of another one of the plurality of actuators; and wherein at least a portion of the first part of the one of the plurality of actuators overlaps with a portion of the first part of the other one of the plurality of actuators in the direction of motion space.

Abstract: A linear motor including a stator assembly, an armature mechanically coupleable to a test specimen configured to be moved relative to the stator assembly by operation of the linear motor, and a suspension system configured facilitate movement of the armature relative to the stator assembly along an axis of movement without physically touching the armature during movement. Further disclosed is a multi-phase linear motor, a linear motor having an armature with an array of flat magnets, and a linear motor having a magnetic damping system.

Abstract: An electric motor polyphase winding pack includes a plurality of coiled conductors, each of the coiled conductors corresponding to a phase of a plurality of phases. Each of the coiled conductors has a first side and a second side. The coiled conductors are arranged in a sequence in which all of the first sides are disposed sequentially in a first layer, and all of the second sides are arranged in second layer disposed adjacent to the first layer, such that some of the first sides in the first layers and some of the second sides in the second layer correspond to each phase of the plurality of phases.

Abstract: An axial gap motor includes a rotor configured to rotate around a rotation axis and a stator disposed to be opposed to the rotor across a gap in an axial direction parallel to the rotation axis. The rotor includes a hub, an annular rim located on the outer side of the hub and holding a permanent magnet, a coupling section coupling the hub and the rim and including a recess having a first opening opened on a surface facing one end side in the axial direction, a first plate member disposed on the one end side of the coupling section and covering at least a part of the first opening in plan view from the axial direction, and a member disposed in the recess and having density lower than the density of the coupling section.

Abstract: A generator rotor assembly can include a diode holder configured to hold one or more diodes. The diode holder can be formed of a first material having a first coefficient of thermal expansion (CTE). The assembly can include a rotor housing configured to hold the diode holder within the rotor housing. The rotor housing can be formed of a second material having a second CTE. The second CTE is different than the first CTE. The assembly can include one or more CTE compensation spacers interfacing the diode holder to the rotor housing such that the diode holder and the rotor housing are connected via the one or more CTE compensation spacers. The one or more CTE compensation spacers can be configured to have a third CTE different than the first CTE and the second CTE to compensate for relative length change between the diode holder and the rotor housing to prevent and/or reduce temperature induced stress growth at the interface of the diode holder and the rotor housing.

Abstract: A drive transmission device includes a drive-side rotatable body, a plurality of magnetic conducting portions and a driven-side rotatable body. The drive-side rotatable body includes a plurality of magnetic poles arranged in a rotational direction. The magnetic conducting portions are magnetizable by the magnetic poles of the drive-side rotatable body. The driven-side rotatable body has a plurality of magnetic poles configured to be rotated in response to rotation of the magnetic poles of the drive-side rotatable body through the magnetic conducting portions. The drive transmission device is configured to be operated as a magnetic speed changer that changes a speed of rotation between the drive-side rotatable body and the driven-side rotatable body by differently setting the number of the magnetic poles of the drive-side rotatable body, the number of the magnetic conducting portions and the number of the magnetic poles of the driven-side rotatable body from each other.

Abstract: The electric machine includes a shaft, a rotor, a stator, and a frame. The shaft is supported rotatably on the frame with an axially locating sleeve bearing at each axial end of the shaft. The axial play limiting the axial movement of the shaft is greater in one of the two axially locating sleeve bearings compared to the axial play in the other of the two axially locating sleeve bearings. An axial movement of the shaft is limited only by the bearing with the smaller axial play during normal operational circumstances and by both bearings during exceptional events, the bearing with the greater axial play reducing the axial load of the first bearing in such exceptional events.

Abstract: The invention is a flywheel rotor that includes a number of adjacent laminations, stacked one on top of another, where each of the laminations has the same shape and is rotationally symmetric around a center axis, and where the shape is substantially circular and includes a plurality of protrusions exterior to the circumference, and each of the laminations includes at least one hole for a fastening bolt to pass through. The invention typically includes an endplate at each end of stack of laminations. One of the two endplates may attach to a stubshaft.

Abstract: A generator assembly includes a rotor carrying a magnetic element, a bearing assembly supporting the rotor for rotation about a rotation axis, a bearing support structure extending circumferentially about the bearing assembly and configured for fixation to a housing, and a sleeve member. The sleeve member is arranged radially between the bearing assembly and the bearing support structure to limit a clearance defined radially between the bearing assembly and the bearing support structure. Integrated drive generators and methods of making generator assemblies are also described.

Abstract: Embodiments of an apparatus for generating electric power from flowing seawater are disclosed. Embodiments form fluid channels having magnetic fields through which seawater will flow. Electrodes are arranged with respect to the fluid channels and connected together such that electric power is generated as seawater flows through the channels.

Abstract: An actuator may include a stator supporting a magnet; a stationary pole; and a bobbin supporting a winding of a coil, the bobbin being coaxial with the stator and stationary pole, and positioned inside the magnet and outside the stationary pole. A gap may be provided between the bobbin and the stationary pole. A beam steering mechanism may include a mirror; a frame; a pivot anchor fixed to the frame and connected to the mirror; and an actuator. An output end of the actuator may be connected to the rear surface. A beam steering mechanism may alternatively include a flexure; a mirror attached to the flexure; a frame; supports fixed to the frame and the flexure; a pivot anchor fixed to the frame and connected to the mirror or the flexure; and an actuator. An output end of the actuator may be connected to the flexure.

Abstract: An insulation system for an electric machine coil includes the following layers situated in sequence over an insulated conductor: a first corona shield tape, a stress grading tape, a second corona shield tape having a first overlap length with the stress grading tape and a second greater overlap length with the first corona shield tape, an insulation tape, and a sealing tape.

Abstract: An electric motor system includes an electric motor, and a thermal management system. The thermal management system includes a two-phase refrigerant circuit circulating a flow of refrigerant through the electric motor, and a refrigerant-air heat exchanger fluidly connected to the electric motor via the two-phase refrigerant circuit, such that the flow of refrigerant is boiled via heat generated by the electric motor, and returned to a subcooled liquid state to cool the electric motor. A method of dissipating thermal energy from an electric motor includes urging a flow of refrigerant through an electric motor, thereby boiling the flow of refrigerant, directing the flow of refrigerant from the electric motor to a refrigerant-air heat exchanger via a two-phase refrigerant circuit, and cooling the refrigerant to a sub-cooled liquid state at the refrigerant-air heat exchanger via thermal energy exchange with a flow of air through the refrigerant-air heat exchanger.

Abstract: Systems, methods, and GUIs are provided for visually communicating clinically relevant information in a manner that maintains context and trends across various sizes of user interfaces, such as smaller user interfaces on mobile devices. In an embodiment, a user interface may display a first timeline area with a first indication of a timespan that represents a portion of the timeline. The first indication of the timespan may be scrollable to change the portion of the timeline displayed. The first timeline area may further comprise a set of clinical diagnoses with corresponding duration indicators. The user interface may also display a second timeline area with a second indication of a timespan, which may mirror the first indication of the timespan. The second timeline area may further comprise a set of diagnostic parameters and associated measurements. The user interface may also present a medication area having lists of medications separated by classification.

Abstract: A computer-implemented method and system for modeling the pathophysiology of a human intervertebral disc may comprise an anatomic dataset and a biophysical model disposed in connection with a simulation program. The biophysical model may comprise a plurality of subsystems, including, without limitation, governing equations, constitutive equations, boundary conditions, initial conditions, and parameter values. By altering certain subsystems of the biophysical model, a user may selectively solve for certain pathophysiological metrics using at least one of a plurality of algorithms disposed within the simulation program.

Abstract: Polyphase electrical machine with n phases, n?3, including a casing defining a longitudinal axis, a stator and a rotor including a mechanical drive shaft, the electrical machine being equipped with a power electronics and a coolant circuit and the power electronics is formed of n power electronic modules evenly distributed over an inner circumference of a longitudinal extension of the casing whose outer circumference is covered with a single annular DC bus decoupling capacitor electrically connected to the n power electronic modules, the coolant circuit including a plurality of U-shaped tubes with a tubular outgoing part extending over an entire length of the casing and including the longitudinal casing extension and a shorter tubular return part, extending over a casing length excluding the longitudinal casing extension.

Abstract: A linear head module includes: a plurality of linear motors each including a mover having an output shaft portion; a plurality of detection portions each configured to detect a position of the respective output shaft portion in a direction of a thrust axis; a single circuit board provided with the plurality of detection portions; and a detected portion provided to the respective mover, the detected portion is fixed to the mover via a mounting base, and as viewed in the direction of the thrust axis, a direction in which the mounting base extends from the output shaft portion is different from a direction in which the output shaft portion and the circuit board face each other.

Abstract: A motor (1) including a rotary shaft (2) and a bearing portion (53) including an inner ring and an outer ring and a magnet (51) and a balance adjusting portion (52). The balance adjusting portion (52) and the magnet (51) are fixed. The balance adjusting portion (52) is in contact with an inner ring of the bearing portion (53).

Abstract: A star disk for a rotor of an externally excited synchronous machine, having a central disk body, from which multiple webs extend radially, at the ends of which an end plate is provided each time, so that between the disk body and the respective end plate there is formed a winding groove, being bounded by the web forming the groove bottom and laterally by the disk body and the end plate, forming groove flanks, and serving to contain a conductor winding led around the web and formed from a conductor wire which is wound in multiple layers, wherein the web is provided with flutes running in the winding direction and serving to contain a respective conductor wire segment, there being provided at least one additional flute on a groove flank at least on one side of the web.