A suspension system (20) is described for vehicle with a frame, comprising an element (R, 12) propulsive by rolling on the ground; two units (12a, 12b) adapted to impart a torque to the propulsive element that are controllable independently of one another, where the two units are movable relative to the propulsive element independently from one another and rigidly connectable to the frame at one same point (P). By moving one or each unit relative to the propulsive element the distance between the latter and said point is made to vary.

A motorization apparatus for a motorized wheel comprises an axle secured to a frame of a vehicle. A rotor unit has poles of magnet material. A stator unit having slots and teeth secured to the axle is inward of said rotor to define a clearance gap therewith such that the rotor unit is rotatable about the stator core. An arrangement of coils is wound around the teeth of the stator unit, the coils adapted to be powered to induce a rotation of the rotor unit relative to the stator unit. A structure comprises hub portions rotatably mounted to the axle, the structure having lateral walls defining an inner volume for the rotor unit and the stator unit, the structure supporting the rotor unit. The structure comprises attachment members connected to spokes of the motorized wheel, located radially inward of the clearance gap between the rotor unit and the stator unit.

A ceramic electronic component includes a laminated body including ceramic layers and conductor layers stacked alternately; and first and second external electrodes provided on portions of the laminated body. Each of the first and second external electrodes includes a sintered metal layer provided on the laminated body, a conductive resin layer covering the sintered metal layer, and a plated layer covering the conductive resin layer. The maximum length of the sintered metal layer provided on the second principal surface is shorter than the maximum length of the sintered metal layer provided on each of the first and second side surfaces.

A ceramic electronic component includes a laminated body including ceramic layers and conductor layers stacked alternately; and first and second external electrodes provided on portions of the laminated body. Each of the first and second external electrodes includes a sintered metal layer provided on the laminated body, a conductive resin layer covering the sintered metal layer, and a plated layer covering the conductive resin layer. The maximum length of the sintered metal layer provided on the second principal surface is shorter than the maximum length of the sintered metal layer provided on each of the first and second side surfaces.

A system and method provides a piezoelectric stack arrangement for reduced driving voltage while maintaining a driving level for active piezoelectric materials. A stack arrangement of d36 shear mode single crystals of both air X-cut and Y-cut ±1:45° (±20°) arrangement are bonded with discrete conductive pillars to form a shear crystal stack. The bonding area between the neighboring crystal parts is minimized. The bonding pillars are positioned at less than a total surface are of the single crystal forming the stack. The stack fabrication is facilitated with a precision assembly system, where crystal parts are placed to desired locations on an assembly fixture for alignment following the preset operation steps. With the reduced clamping effect from bonding due to lower surface coverage of the discrete conductive pillars, such a piezoelectric d36 shear crystal stack exhibits a reduced driving voltage while maintaining a driving level and substantial and surprisingly improved performance.

A displacement sensor having a rectangular shaped elastic member. A piezoelectric element is attached to a first main face of the elastic member. The piezoelectric element has a rectangular-shaped piezoelectric sheet and electrodes on both main faces of the piezoelectric sheet. The piezoelectric sheet is made of poly-L-lactic acid and is at least uniaxially-stretched. The piezoelectric element is attached so that the uniaxial-stretching direction of the piezoelectric sheet is 45° relative to a long-side direction of the elastic member. When the elastic member is bent along the long-side direction, the piezoelectric sheet is stretched along the long-side direction, and the piezoelectric element generates voltage of predetermined level.

A MEMS piezoelectric device includes a monolithic semiconductor body having first and second main surfaces extending parallel to a horizontal plane formed by first and second horizontal axes. A housing cavity is arranged within the monolithic semiconductor body. A membrane is suspended above the housing cavity at the first main surface. A piezoelectric material layer is arranged above a first surface of the membrane with a proof mass coupled to a second surface, opposite to the first surface, along the vertical axis. An electrode arrangement is provided in contact with the piezoelectric material layer. The proof mass causes deformation of the piezoelectric material layer in response to environmental mechanical vibrations. The proof mass is coupled to the membrane by a connection element arranged, in a central position, between the membrane and the proof mass in the direction of the vertical axis.

An electric motor assembly includes an axle having a first end and a second end. A plurality of rotor stages is attached to the axle. The rotor stages each include a set of rotor magnets. Each set has a greater potential magnetic field as the sets are located further from the first end. A plurality of stators is positioned around the rotor stages so that each of the rotor stages is adjacent to and covered by one of the stators to define a plurality of mated pairs. The stators each include a plurality of stator magnets. A stator control, for controlling individual ones of the pairs, is electrically coupled to each of the stators and magnetizes the stator magnets in a controlled fashion with respect to the rotor magnets to urge the rotor magnets in a same direction and rotate the axle.

The present invention ensures reliability while reducing the size of an axial air gap rotating electric machine. An axial air gap rotating electric machine has: a stator comprising a plurality of core members arranged in a ring shape, said core members each having an iron core, a coil wound in an iron core outer periphery direction, and a bobbin disposed between the iron core and the coil; and a rotor plane-facing an end surface of the iron core via an air gap in a rotating shaft radial direction. The bobbin has: a tubular portion facing the outer peripheral side surface of the iron core and shorter than the length of the iron core; flange portions extending in the vicinity of both ends of the tubular portion from the outer periphery of the tubular portion toward the vertical direction outside by a predetermined length; and a projection portion being on the outside surface of at least one of the flange portions and near the inner edge of the tubular portion, having an inner peripheral surface facing the end outer peripheral side surface of the inserted iron core, and further projecting in an extending direction of the tubular portion.

An electric machine comprising a first carrier having an array of electromagnetic elements and a second carrier having electromagnetic elements defining magnetic poles, the second carrier being arranged to move relative to the first carrier. An airgap is provided between the first carrier and the second carrier. The electromagnetic elements of the first carrier include posts, with slots between the posts, one or more electric conductors in each slot, the posts of the first carrier having a post height in mm. The first carrier and the second carrier together define a size of the electric machine. The magnetic poles having a pole pitch in mm. The size of the motor, pole pitch and post height are selected to fall within a region in a space defined by size, pole pitch and post height that provides a benefit in terms of force or torque per weight per excitation level.

An object is to provide an interior permanent magnet rotor unit that allows possible demagnetization to be suppressed regardless of a material for a portion of a permanent magnet, which is positioned on an outward side in a radial direction of a core. A core is a laminate of first thin-plate-like members and second thin-plate-like members. The first thin-plate-like members and the second thin-plate-like members have first insertion slots and second insertion slots each of which is filled with a permanent magnet. In the first thin-plate-like members, a separating portion is formed at an end of each of the first insertion slots or the second insertion slots, which end is located on an outward side of the insertion slot in a radial direction, to form a slit in the corresponding permanent magnet.

An electric machine of a motor vehicle, in particular of an adjustment drive or of a radiator fan, has a rotor which is mounted so as to be rotatable about a machine axis. The rotor has a number of permanent magnets which are arranged in the radial direction. Each permanent magnet has one side with a strong magnetic flux and one side with a weak magnetic flux in the tangential direction. When the permanent magnets are adjacent in the tangential direction, different sides are directed towards one another.

Embodiments describe a motor. The motor includes a stator, and a rotor, which is arranged within the stator. An end part of at least one air-gap slot of the rotor has an offset with a predetermined distance and/or a predetermined angle relative to a main body part adjacent immediately to the end part. With the offset of a predetermined distance and/or a predetermined angle configured at the end part of at least one air-gap slot of the rotor, ripple torque of the motor is effectively lower down while complexity of the motor, stator or rotor will not be increased.

Raw material magnet is milled to magnet powder, and the magnet powder thus milled is mixed with a binder to form a compound 12. Then, the compound 12 thus formed is molded to a green sheet 14 having a sheet shape. Thereafter, a magnetic field orientation is carried out by applying a magnetic field to the green sheet 14 thus molded, and then, the green sheet 14 having been subjected to the magnetic field orientation is shaped to a product shape by deforming thereof. Thereafter, the permanent magnet 1 is produced by sintering thereof. The permanent magnet 1 has a ring shape, and is constituted such that an axis of easy magnetization may be orientated at a slant so as to converge in a direction along a converging axis P which is set to a radius direction as well as to a center direction of the ring shape.

An electric motor includes a stator operable to produce a magnetic field and defining an opening, and a rotor at least partially disposed within the opening. The rotor includes a shaft extending along a rotational axis, a first rotor magnetic core portion including a plurality of laminations stacked contiguously on the shaft, and a second rotor magnetic core portion coupled to the plurality of laminations. The first rotor magnetic core portion and the second rotor magnetic core portion cooperate to define the rotor magnetic core. A plurality of windings is coupled to the rotor magnetic core and an air flow path is formed as part of the second rotor magnetic core portion. The air flow path includes an axial portion that passes through the shaft axially along the rotational axis and a radial portion that extends radially outward through the second rotor magnetic core portion.

An inner-rotor motor including: an armature assembly including a rotating shaft, an armature unit coupled to the rotating shaft and a pressing unit; a frame assembly including a frame housing the armature unit, a first bearing unit located on one side with respect to the armature unit in an axial direction, and a second bearing unit located on another side with respect to the armature unit in the axial direction; and an urging structure that urges the rotating shaft in a direction away from the second bearing unit and that presses the pressing unit toward the first bearing unit.

A vibration motor includes a base portion arranged to extend perpendicularly to a central axis extending in a vertical direction; a shaft having a lower end fixed to the base portion, and arranged to project upward along the central axis; a circuit board; a coil portion; a bearing portion; a rotor holder; a magnet portion; an eccentric weight; a cover portion; and a motor electrode portion electrically connected to the circuit board, and arranged to project downward below a lower surface of the base portion. The entire base portion and the entire circuit board are arranged inside of an outer circumferential edge of a lower end of the cover portion.

A rolling bearing has an inner ring attached to a rotating shaft out of contact with a first end surface, and an outer ring is fitted onto an inner peripheral surface of a housing in contact with the first end surface. A sliding element is provided between a second end surface and the first end surface. A retaining portion is provided between the sliding element and the first end surface. A biasing portion is provided between the retaining portion and the first end surface to bias the retaining portion toward a second side in a lamination direction. The rotating shaft, the housing, the inner ring, the outer ring, a rolling element, the sliding element, the retaining portion, and the biasing portion are formed of a conductive material. The rotating shaft and the housing are electrically connected by the sliding element, the retaining portion, and the biasing portion.

A motor drive device is fixed to a wall part of a housing and comprises a duct having an inflow port and an outflow port of air. A main body part of the duct functions as a heat-sink unit which releases heat into the duct. The duct is arranged inside the housing. The inflow port and the outflow port are formed so that outside air can flow through openings formed in the wall part.

The invention provides a rotating electrical machine system in which an air volume of a refrigerant is increased near the center of a rotating electrical machine in the axial direction is improved. The rotating electrical machine includes a rotor and a stator, in which the stator core, laminated electromagnetic steel sheets formed by laminating a plurality of electromagnetic steel sheets in the axial direction are divided into a plurality of sets of packet cores, and between one of the packet cores of the plurality of sets and another packet core adjacent to it, there is formed a duct providing a flow channel of the stator, and in a duct situated at the center side from both ends in the axial direction among the duct, there is a portion of two packet cores facing each other across the duct, a diameter direction length of the two packet cores becoming long.

The invention relates to an electric machine (10) with commutating brushes (12) and an electric interference-suppression component (14). The brushes (12) are arranged in an annular brush support (18), and the brush support (18) sits on an axial end (22) of a housing part (24) of the electric machine (10), which is preferably a pole housing (240). The interference-suppression component (14) is arranged radially outside of the housing (24), and the brush support (18) has a protrusion (30) which extends in the radial direction (2). The protrusion (30) extends radially towards the outside so as to extend outside of the housing (24), the interference-suppression component (14) being arranged on the protrusion (30).

A single phase permanent magnet motor includes a stator and a rotor. The stator includes a stator core with windings. The stator core includes a yoke and claw-poles. Each claw-pole forms an arc pole face which is an involute curved face. All arc pole faces cooperatively define a space for receiving the rotor. A gradually changing uneven air gap is defined between the arc pole faces and the rotor. When the motor powers off and stops, the pole axis of the rotor is offset from the central axis of the claw-poles by a certain angle to avoid the rotor to stop at a dead point position, thus facilitating next startup of the motor.

Provided are a rotor, a manufacturing method of the rotor, and a DC motor including the rotor, the rotor including: a core around which a winding is wound, the core being rotatable integrally with a shaft; a commutator being fixed to the shaft and having a terminal to be connected to one end of the winding; and a conduction plate being externally fitted onto the shaft via an insulator part between the terminal of the commutator and the core, the conduction plate having a connection part to be connected to the other end of the winding, wherein an axial direction position of the connection part is set in an intermediate portion that is between a winding projection of the winding and the terminal.

Methods and systems for using the Earth's magnetic field to power a machine having a motor, the system including a computer, a plurality of wires, a plurality of energy storing devices, all in controlled electrical communication with each other, wherein the plurality of wires can collect electrical energy from the Earth's magnetic field while the machine is put in motion by a power source powering the motor, wherein the collected electrical energy is stored in the plurality of energy storing devices or used to power the motor.

The present invention relates to a triboelectric energy harvesting device and a method for manufacturing the same. The triboelectric energy harvesting device according to an embodiment of the present invention includes a first frictional layer provided with a first surface having first electron affinity, and a second frictional layer facing the first surface and having second electron affinity, wherein at least one of the first and second frictional layers is formed of an elastic material and is provided in an elastic structure.

A monolithic integration of phase change material (PCM) switches with a MEMS resonator is provided to implement switching and reconfiguration functionalities. MEMS resonator includes a piezoelectric material to control terminal connections to the electrodes. The PCM is operable between an ON state and an OFF state by application of heat, which causes the phase change material to change from an amorphous state to a crystalline state or from a crystalline state to an amorphous state, the amorphous state and the crystalline state each associated with one of the ON state and the OFF state. A method of fabricating the MEMS resonator with phase change material is provided. A reconfigurable filter system using the MEMS resonators is also provided.

An AT-cut crystal element includes a crystal element having two side surfaces (namely, a Z'-surface) intersecting with a Z-axis of a crystallographic axis thereof. At least one of the two side surfaces is constituted of three of first to third surfaces. The first to the third surfaces meeting following conditions: the first to the third surfaces intersect with one another in this order and formed by rotating a principal surface of the crystal element by predetermined angles; and expressing the angle of the first surface as θ1, a length of the first surface as D, a thickness of a part of the crystal element having the principal surface as t, and M=D/t, and a conversion percentage as fn (M, (θ1)), the θ1 and the M are set such that the conversion percentage fn (M, (θ1)) becomes a predetermined value Th or less.

In an elastic wave device, a piezoelectric substrate is stacked on a support substrate and an IDT electrode is provided on the piezoelectric substrate. Wiring line portions are provided on the piezoelectric substrate. A first hollow portion is provided in the support substrate at least below at least one of the wiring line portions and or below a region between the wiring line portions.

A modular garment system includes an attachment system for attaching multiple garments together. In one embodiment, the garment system includes an upper body garment that is attachable to a lower body garment. The upper body garment includes a plurality of connectors that are aligned with a plurality of retaining members on the lower body garment. The retaining members on the lower body garment, for instance, may be placed on top of existing belt loops. The retaining members may include a flap, while the connectors may have a loop-like structure. In order to connect the upper body garment to the lower body garment, the flap may be inserted into the loop-like structure and secured to the lower body garment. The upper body garment can also include a draw cord that can be used to further secure the upper body garment against the lower body garment.

There is included a hooking cord 52 disposed on the back side of said finger insertion parts and held in and over at least three finger insertion parts 40C, 40D and 40E corresponding to a middle finger, a third finger and a little finger among the five finger insertion parts 40A through 40E of the glove body 10B so as to adjust a distance between the adjacent finger insertion parts whereby the three finger insertion parts can be pulled simultaneously by hooking the hooking cord 52 with a little finger of a hand not wearing the glove and grasping the finger insertion parts 40A and 40B corresponding the thumb and the first finger with a thumb and a first finger of the hand not wearing the glove 10.

A multi-layered garment may comprise components that are affixed using integrated belt loops. In particular, shorts belt loops of a shorts component may pass through an opening created when single-layer skirt belt loops of a skirt component are oriented outwards. Both the skirt belt loops and the shorts belt loops may be fully functional and aesthetically pleasing belt loops. Additionally, the shorts belt loops may be combined with the skirt belt loops to form integrated belt loops, thereby allowing a belt to pass beneath both sets of belt loops simultaneously to affix the shorts component to the skirt component.

A device used to smooth a material's surface with abrasion. More specifically, the device is in the form of a glove or mitten with an abrasive layer that is placed over, and secured on, a user's hand to protect the user's hand and to provide an agile and flexible range of motion while sanding a material's surface.

Body armor includes a panel having a front, an opposed back, left and right sides, top and bottom, and a vertical axis extending through the panel at a location intermediate between the right and left sides. Opposed right and left shoulder cuts are formed in the panel between the right side and the top and between the left side and the top, and the right and left shoulder cuts are asymmetric to each other about the vertical axis. The right and left shoulder cuts are linear edges formed diagonally between the left and right sides and the top, and the right shoulder cut extends further inboard into the panel toward the vertical axis than the left shoulder cut.

A protection device, system and/or method including a protection body portion adapted to be one or both of connected to or disposed on the lower edge of a wearer's headgear. In some implementations, the protection body portion may be triangular and the connecting of the device to headgear may include a removable connective component is located at the apex of a second edge and a third edge of the protection body portion at the farthest point from the headgear.

An impact sensing device including a plurality of accelerometers orthogonally oriented with respect to each other and attachable at a body location, each capable of producing a signal indicative of an impact. An integrated circuit is configured to determine the magnitude and direction of the impact based on the signals and operative to activate an indicator when the magnitude exceeds a selected threshold based on the direction of the impact. A head injury coefficient is determined based on the magnitude and a duration of the impact, and the threshold level of acceleration is expressed in terms of a head injury coefficient value. The head injury coefficient value is determined by empirically correlating a head injury coefficient measured at the body location and a head injury coefficient measured at the center of mass of a human head resulting from an impact.

A facemask for a helmet. The helmet includes a forehead area and two side areas. The facemask comprises a plurality of intersecting, integral metal supports forming a face protection area. The face protection area includes a top section, two side attachment sections and a front section. The top section can be shaped to conform to and attached to the forehead area of the helmet while each side attachment section can be shaped and formed to attach to one of the side areas of the helmet. Further, the front section can extend from the top section and each attachment section.

A hat system relating to reducing and/or eliminating physical interferences between hat bills and eyewear rims by the introduction of strategic hat bill cutouts along the periphery of the bill as a means for providing additional physical clearance for user-chosen eyewear. Additionally, users of the preferred hat system may also take advantage of bill cutouts as a means to secure eyewear on the face during sports, or other moments of high activity. Further, the hat system incorporates a camouflage covering to camouflage such strategic hat bill cutouts. Even further, the hat system provides unique design elements provided by geometrically-shaped bill cutouts in combination with, or without, coverings.

An interior sock is fabricated of a flexible elastic polymer. The interior sock has a cylindrical closed toe section, a cylindrical open ankle section and an intermediate heel section. The heel section is provided between the toe and ankle sections. An exterior sock is fabricated of a knitted blend of cotton and a minor portion of an elastic. The exterior sock has a cylindrical closed toe section, a cylindrical open ankle section and an intermediate heel section. The heel section is provided between the toe and ankle sections. A quantity of therapeutic fluid is located within the interior sock. The therapeutic fluid is in contact with a foot of a user. The interior sock provides support for the therapeutic fluid. The exterior sock provides pressure and warmth to the interior sock and the therapeutic fluid.

The present disclosure refers to an elasticized structure and a method for making such an elasticized structure. The elasticized structure, includes a first piece and at least one second piece. The first piece is superimposed and fixed onto the second piece in at least a first fixing zone and at least a second fixing zone. The second piece is at least partially made of an elastic material and has an internal zone comprised between the first fixing zone and the second fixing zone. The elasticized structure is able to assume a tensioned position and a rest position. In the rest position, the first piece has a hump comprised between the first fixing zone and the second fixing zone and flat parts alongside said first fixing zone and said second fixing zone, respectively.

A fabric assembly attachable to the front side of a men's underwear and a men's underwear having such a fabric assembly are described. The fabric assembly has layers of fabrics having linear slots perpendicular to each other so that the wearer can take his genital organ out through the intersection of the linear slots. The peripheries of the fabric layers are elastically stitched together to make a fabric assembly. The fabric layers have sufficient rigidity such that the linear slots do not open under the pressure of the genital organ, unless the wearer uses his hands to open the slots. The fabric assembly may also have a flap on the inside or outside of the fabric layers. One or two sides of the flap may be attached to the men's underwear and the other sides may not be attached to permit easy opening of the flap by hand.

A personal protection device for protecting a user is described. The personal protection device can have an inflatable member having an internal chamber that can be inflated or deflated according to predetermined conditions.

An article of manufacture for stretchable night visibility bands for people and animals with a inner band consisting of a primarily stretchable material, an outer band consisting of a night visibility material, a way to attach the inner band to the outer band, a means to interchange said inner bands and said outer bands and a way to close the inner band around an object. A preferred embodiment includes further an outer band made of a night visibility material fabricated of least one of the following: a reflective, a florescent or a glow in the dark material and backed with a material such as VELCRO that attaches to the inner band, A preferred embodiment includes the element of inner band consisting of a stretchable material with a looped surface such as Velstretch™.

In this invention, a visor is configured to be inserted into a slit of a movable plate. One of an engaging projecting portion and an engaging concave portion is provided on the visor, and the other is provided on the movable plate. When the visor pivots in a first direction about the engaging projecting portion, a concave corner portion of the visor comes into contact with a first position regulating portion of the movable plate, thereby impeding the pivotal movement of the visor. When the visor pivots in a second direction, the outer wall surface of the visor comes into contact with wall portions of the movable plate, thereby impeding the pivotal movement of the visor.

An inflatable bonnet cap system for wrapping around a user's hair featuring an inflatable headpiece with a series of inflatable horizontal and vertical tubes, each horizontal tube has connectors and a valve for inflation, and a spring ring having a spring ring tube constructed with accordion-style seams, the spring ring tube has connectors with valves for inflation. An insert edge is on the bottom edge of the bottommost horizontal tube, and a wedge is disposed on the top surface of the spring ring tube. The insert edge can be accepted into the wedge of the spring ring tube. The system of is inflatable and retractable.

The invention relates to an item of clothing, in particular to be worn during sports such as jogging, skating, cycling or similar. Said item of clothing is made of at least one yarn (3) that comprises a heat-reflecting covering (5).

The disclosure provides a medical compression stocking applicator having an elongate member which has a pair of opposed sidewalls and an interconnecting wall and therefore may be substantially U-shaped in cross-section and is open at each end. The elongate member also includes a heel opening between the ends of the elongate member. The heel opening extends entirely through the elongate member, and is adapted to support a person's heel during application of a stocking.

Provided is a glove comprising an outer shell comprising a back portion; and a mirror secured to the back portion at one or more points, where the mirror can be adjusted to a plurality of positions on the back portion.

A mask is assembled from a single blank. The blank is creased and folded to make a front, top and a back panel, with the top panel folding down to make two side panels. The side panels cooperate with the front and back panels by connections protruding from the panels. The mask can be stored or shipped in a flat two-dimensional, unassembled mode and can be opened or assembled to a three-dimensional form, which may be worn on the head of a user.

Physical treatment garment for aiding in treatment and healing of injured or strained muscles. Garment is made of flexible material that can be pulled up around the waist, such as compression shorts or full length tights or leggings, and the garment has one or more pockets in the thigh and/or hamstring area to hold cold packs or heat packs and have a fastener apparatus at the top. The garment has fastening apparatuses on or about the hip area and on or about just above the knee. Using a flexible or compression wrap with the compatible fastening apparatuses, the compression wrap is wrapped around the leg and/or groin area and secured using the fastening apparatuses. Pockets for ice or heat treatment are similarly located in the front or rear of the tights or leggings with fastening connections to hold ice or heat packs for treatment of the applicable injury.

Various embodiments of protective helmets are disclosed, with a particular focus on rear opening full-face helmets. Embodiments include an emergency release mechanism tor such helmets, which allows the helmet to be separated into a front and rear shell thereby to facilitate removal from a wearer's head with minimal stress to the neck.