|| List of recent Stiffness-related patents
| Relative stiffness fasteners|
A fastening member has an inboard end and an outboard end and a panel region, an end region, and a fastening element. The panel region has a proximal edge and a distal edge.
| Shape-transferring cannula system and method of use|
A selectively shapeable medical device comprises an elongate tube, an activation component operatively coupled to the elongate tube, and means for actuating the activation component. The activation component has a first state and a second state different from the first state.
| Systems and methods for controlling a magnitude of a sonic boom|
A method of controlling a magnitude of a sonic boom caused by off-design-condition operation of a supersonic aircraft at supersonic speeds includes, but is not limited to the step of operating the supersonic aircraft at supersonic speeds and at an off-design-condition. The supersonic aircraft has a pair of swept wings having a plurality of composite plies oriented at an angle such that an axis of greatest stiffness is non-parallel with respect to a rear spar of each wing of the pair of swept wings.
| Hydraulic-power steering system with magnetic torque overlay|
A hydraulic-power steering system is provided. A power-steering valve controls and varies a level of steering assist.
| Tire with tread pattern having pre-selected variations in lug stiffnesses to improve tire noise|
A tire is provided having a tire noise pitch sequence based on preferred characteristics of the tire noise generated by tire tread lug stiffness variations. The tire has preferred modulation characteristics and good level characteristics.
| Method of arresting fatigue crack growth in metal member, and fatigue crack growth-arrested metal member|
In a method of arresting fatigue crack growth in a metal member, a hole is formed beside a tip portion of a fatigue crack with respect to a crack extension direction, in a metal member body, in which the fatigue crack occurs due to an action of applied cyclic tensile stress. Then, a press-fit object being higher in stiffness than the metal member body and larger in external size than the hole is press-fitted into the hole.
| Porous cover mat especially suited for use with k-style gutters|
A cover mat suitable for use in preventing debris from entering a rain gutter does not require support when positioned in the gutter other than by portions of the rain gutter engaging the cover mat. The cover mat is formed of a nonwoven polyester fiber material that is coated with a stiffening agent, such as a styrene monomer that will add stiffness without significantly affecting the flow of fluids through the porous or liquid permeable fiber mat..
| Sole for a shoe|
Improved soles for shoes, in particular sports shoes, are described. A sole for a shoe, in particular a sports shoe, is provided that includes a midsole with randomly arranged particles of an expanded material.
| Method for assembling an electronic device|
An electronic device is provided. The device may include a plate placed behind a screen formed from a window and a display module to provide the screen with additional stiffness (e.g., to resist dropping events).
|Tissue-removing catheter including urging mechanism|
A tissue-removing catheter includes an elongate catheter body. The catheter body has a jogged portion that applies an urge force against a body lumen wall and urges a portion of the catheter body toward a portion of the body lumen wall.
|Methods and devices for diastolic assist|
The devices and method described herein allow for therapeutic damage to increase volume in these hyperdynamic hearts to allow improved physiology and ventricular filling and to reduce diastolic filling pressure by making the ventricle less stiff. For example, improving a diastolic heart function in a heart by creating at least one incision in cardiac muscle forming an interior heart wall of the interior chamber where the at least one incision extends into one or more layers of the interior heart wall without puncturing through the interior heart wall and the incision is sufficient to reduce a stiffness of the interior chamber to increase volume of the chamber and reduce diastolic filing pressure..
|Composite tube for torque and/or load transmissions and related methods|
A composite tube made from a combination fiber and epoxy is disclosed. The tube may be made by filament winding although other materials and processes are suitable.
|Hub for a wind turbine|
The invention provides a hub for a wind turbine, the hub comprising a continuous shell being assembled from at least two shell parts. To improve stiffness of the hub, a plate element is attached within blade flanges of the assembled hub.
According to one embodiment, a lighting device is provided which includes: a module; a first cover member; and a second cover member. The module has a light emitting body and a frame.
|Stiction resistant mems device and method of operation|
A mems device (20) includes a movable element (20) suspended above a substrate (22) by a spring member (34) having a spring constant (104). A spring softening voltage (58) is applied to electrodes (24, 26) facing the movable element (20) during a powered mode (100) to decrease the stiffness of the spring member (34) and thereby increase the sensitivity of the movable element (32) to an input stimulus (46).
|Baffled fluid tank with stairway access|
A tank for transporting fluids on a truck chassis includes a front wall, side walls, a back wall, a top, and a floor. Interior stairs extend from the floor to an opening in the top to allow stair access into the interior with integrated safety handrails on the fill port cover.
A gasket held between opposite flange joint surfaces with a bolt includes a combination of a complex material with a rubber material formed on one or both sides of a steel plate, the complex material having a convex or waveform bead, and a circular metal plate arranged at a bolt portion with a through-hole where a shank of the bolt penetrates and a bearing corresponding portion that corresponds to a bearing of the bolt around the through-hole. The gasket is configured to have the thickness (h3) of the bead provided to the complex material greater than the thickness (h2) of the circular metal plate that is equal to or greater than the thickness (h1) of the complex material.
|Magnetorheolocigal fluid-based mount apparatus including rate dip track passage|
A magnetorheological fluid-based hydraulic mount apparatus (20, 220) for supporting a vibration source on a base is disclosed. A main fluid passage (104, 304) extends between pumping chamber (64, 264) and receiving chamber (66, 266) for passing the fluid therebetween.
|Composite dome connectors for flywheel rim to shaft attachment|
A dome connector for a flywheel rim to shaft attachment is provided. The dome connector includes a helically wound composite band that extends from a first port to a second port.
|Nut opening device|
A culinary nut opening device can include a mount and a tool. The mount can be sized and shaped to securely and removably receive a finger or a thumb of a human user.
|Segmented air foam mattress|
An air foam mattress system includes a foam top component, and a foundation component including a plurality of segmented, individually wrapped, inflatable air cells allowing for a plurality of pivot points, a segmented perimeter, and individual pressure adjustment of the segments for maximum patient comfort in all articulated-bed positions. In an embodiment, the air cell contains a u-shaped insert providing segmented perimeter sections integral to the air cell.
|Magnetorheological medical brace|
The magnetorheological (mar) medical brace includes a flexible outer shell that fits around the anatomical area to be braced and a plurality of adjustable straps for securing the shell onto the anatomical area. The shell encases a mar pack filled with magnetorheological fluid or gel.
|Golf club fabricated from bulk metallic glasses with high toughness and high stiffness|
Golf clubs formed from bulk-solidifying amorphous metals (i.e., metallic glasses) having high elastic modulus and fracture toughness, and to methods of forming the same are provided. Among other components, the golf club materials disclosed enable fabrication of flexural membranes or shells used in golf club heads (drivers, fairways, hybrids, irons, wedges and putters) exhibiting enhanced flexural or bending compliance together with the ability to deform plastically and avoid brittle fracture or catastrophic failure when overloaded under bending loads.
|Contact lens having peripheral high modulus zones|
Soft contact lens having regions of a material forming one or more higher modulus of elasticity zones in the peripheral region of the lenses add stiffness to the contact lenses. This increased stiffness in different zones or regions enable the contact lens to be more easily handled and make it less likely to fold in on itself..
|Ultrasonic device, ultrasonic probe, electronic equipment, and ultrasonic imaging apparatus|
Provided is an ultrasonic device including: an ultrasonic element array substrate having a plurality of ultrasonic elements that each include a piezoelectric body; an acoustic lens secured via an acoustic matching layer to a surface, formed with the ultrasonic elements, of the ultrasonic element array substrate; and a support member secured to a surface, opposite to the surface formed with the ultrasonic elements, of the ultrasonic element array substrate, wherein the support member is formed to have a larger area, in plan view in the thickness direction of the ultrasonic element array substrate, and a higher bending stiffness than the ultrasonic element array substrate, and the acoustic lens is formed to have a lower bending stiffness than the ultrasonic element array substrate. The above-described ultrasonic device further includes an acoustic matching layer filled between the ultrasonic element array substrate and the acoustic lens..
|System and method for detecting tissue surface properties|
A system and method for detecting a tissue property. The system comprises a first unit positioned outside a patient body and a second unit positioned inside the patient's body.
|Composite material comprising uhmwpe and iron ore tailing and use of iron ore tailing in preparation of composite material|
The present invention relates to a composite material that comprises a polymeric constituent and iron ore powder. The polymeric constituent of the present invention is preferably uhmwpe.
|Brake shoe for a drum brake|
The invention relates to a brake shoe for a drum brake and a drum brake that includes a supporting unit and a lining unit, wherein the supporting unit comprises a bearing portion for pivotable support and an actuation portion, and wherein the supporting unit has a bending stiffness, which has different values between the bearing portion and the actuation portion.. .
|Train suspension system|
A suspension system for a train vehicle includes at least one inerter to minimize track wear. Track wear may be measured by direct measures such as wear work, or indirect measures such as yaw stiffness.
|Fiber optic cable with increased directional sensitivity|
A distributed acoustic sensor, comprises a housing having a longitudinal bore therethrough, an optical fiber supported in the bore; and an inertial member supported within the bore, wherein the fiber is mechanically coupled to the inertial member. The inertial member may include a weight and may provides isotropic stiffness such that it deforms more readily in a first direction normal to the bore than it does in a second direction that is normal to both the bore and the first direction.
|Fast rig-based physics simulation|
A method is disclosed for applying physics-based simulation to an animator provided rig. The disclosure presents equations of motions for simulations performed in the subspace of deformations defined by an animator's rig.
|Rig-based physics simulation|
A method is disclosed for applying physics-based simulation to an animator provided rig. The disclosure presents equations of motions for simulations performed in the subspace of deformations defined by an animator's rig.
A protector allows for the engagement and protection of a segment of an upright from an impact force by an external object and for absorbing and damping the resulting impact force. The protector comprises a protector body and a shim.
|Resetting semi-passive stiffness damper and methods of use thereof|
A resetting semi-passive stiffness damper (rspsd) for use in damping movement. Embodiments of such a rspsd include, for example, a pistoned cylinder connected to a grooved rack, and a spring-loaded lever arranged between the rack and a slotted channel above the rack.
|Ethylene-based polymer, polyethylene-based resin composition and use thereof, catalyst component for olefin polymerization, olefin polymerization catalyst containing the component, and method for producing ethylene-based polymer by using the catalyst|
An object of the present invention is to provide a polyethylene-based resin composition excellent in the moldability and at the same time, excellent in the balance between impact strength and stiffness as well as in the transparency, and a molded product and a film, which are obtained by the molding of the polyethylene-based resin composition. The polyethylene-based resin composition of the present invention comprises from 41 to 99 wt % of (a) an ethylene-based polymer satisfying specific conditions and from 1 to 59 wt % of (b) an ethylene-based polymer satisfying specific conditions, wherein mfr of the composition as a whole is from 0.05 to 50 g/10 min and the density is from 0.910 to 0.960 g/cm3..
|Process for producing polyester fiber|
The polyester fiber prepared according to the present invention has low modulus, high strength, and high contraction. And, the polyester fiber of the present invention may significantly lower stiffness and achieve excellent mechanical properties, thus providing excellent packing property, shape stability and gas barrier effect when used as fabric for an airbag..
|Tolerance ring with edge bump difference|
A novel tolerance ring includes a hollow cylindrical body defining a longitudinal axis that passes axially through its center. The hollow cylindrical body includes first and second longitudinal edges that define a circumferential gap.
|Variable stiffness chassis for ultrathin devices|
An information handling system (ihs) chassis includes a chassis base. A center portion of the chassis base comprises at least ninety-five weight percent of a first metal element that is one of aluminum or magnesium.
|Mechanical backup bearing arrangement for a magnetic bearing system|
The present disclosure describes a mechanical backup bearing system arrangement to work in conjunction with non-contact magnetic bearings and capable of coping with thermal expansions of the bearing components during operations. Expansions or contractions of an inner or outer race of a bearing can be compensated using particular springs providing a low profile and a proper stiffness.
|Flexible printed circuit|
A flexible printed circuit includes a first insulating substrate layer and a first electrically conductive layer located adjacent to a first side of the insulating substrate layer. The first conductive layer has a first portion that is substantially solid and a second portion having a multiplicity of voids in the first conductive layer in a pattern for providing a lower stiffness in the second portion relative to the first portion, thereby providing more flexibility in the second portion relative to the first portion..
|Thermal straps for spacecraft|
Negative-stiffness-producing mechanisms can be incorporated with structural devices that are used on spacecraft that provide thermal coupling between a vibrating source and a vibration-sensitive object. Negative-stiffness-producing mechanisms can be associated with a flexible conductive link (fcl) or “thermal strap” or “cold strap” to reduce the positive stiffness of the fcl.
|Method and apparatus for testing consistency of frozen beverages|
A method and apparatus using sample test container filled with beverage, a penetrator holder, a penetrator and release means is disclosed. In the method a sample, is drawn into the test container and the penetrator dropped into the sample, and a reading of the stiffness of the sample is made based on the depth of penetration of the penetrator onto the sample..
|Composite wires for use in medical procedures and associated methods|
A composite wire, such as a guide wire, may include a principal section with a relatively large outer diameter, as well as one or more reduced sections with smaller outer diameters. The relatively small outer diameter of each reduced section may be defined by an inner element of the composite wire, while the relatively large outer diameter of the principal section may be defined by one or more outer elements that reside on, and may surround, the inner element.
|Attachment for a conductorless wetness detector for an absorbent article|
A wetness sensing system for use with an absorbent article includes a holding fixture adapted to be attached to the outer surface of the absorbent article by a consumer, the holding fixture including a first attachment arm having an article-facing side including a first attachment material affixed thereto, and a sensor band including a sensor and having an article-facing side including a second attachment material affixed thereto, wherein the second attachment material has an area and is in a proportion of the area to the weight of the system, and wherein the sensor band has a bending stiffness of less than 30 gf cm̂2/cm. The system also includes a signaling device coupled to the holding fixture and in electrical communication with the sensor, wherein the system is adapted to sense wetness within the article without the use of conductors within the absorbent article..
|Flame retardant thermoplastic resin composition and molded article including the same|
A flame retardant thermoplastic resin composition and a molded article including the same are provided. The flame retardant thermoplastic resin composition includes: (a) a thermoplastic resin; (b) a flame retardant; and (c) a filler, wherein the (c) filler has an oil absorption rate of about 0.1 ml/100 g to about 10 ml/100 g as measured in accordance with astm d281.
|Substrate connection structure|
A substrate connection structure includes: a first substrate having stiffness with a first connector mounted on a front face; a second substrate having stiffness with a second connector detachably attached to the first connector mounted on a front face facing the front face of the first substrate; and a restricting member including a projection portion, the restricting member including a plate-like member and being detachably attachable to the first substrate by being moved along a planar surface of the first substrate, the projection portion projecting from the front face of the first substrate and regulating a position of the second substrate relative to the first substrate in a state in which the restricting member is attached to the first substrate, and limiting a direction in which the second substrate is detached when the second connector mounted on the second substrate is detached from the first connector on the first substrate.. .
|Monolithic energy harvesting system, apparatus, and method|
An energy harvesting device utilizing a monolithic, mesoscale, single-degree-of-freedom inertial based resonator in which the support structure, beam-spring, and proof mass are a single component without joints, bonds, or fasteners. Frequency tuning features include holes in the proof mass in which mass can be added to change the devices resonance frequency as well as levers which add curvature to the beam-spring system and adjust system stiffness.
|Carbon fiber reinforced polyoxymethylene for printer spindles|
Polymer compositions containing a polyoxymethylene base polymer that is compounded with a conductive filler. The polymer composition is formulated so as to increase the electrically conductivity of the polymer composition and articles formed therefrom while at the same time having a high enough stiffness via the addition of a conductive filler.
|Shock absorber, front fork, and saddle-ride type vehicle|
A shock absorber includes a first cylinder portion, a second cylinder portion, a first piston portion arranged in an internal space of the first cylinder portion, a second piston portion arranged in an internal space of the second cylinder portion, a first rod portion connected to the first piston portion, and a second rod portion provided between the first piston portion and the second piston portion. The second rod portion has a stiffness lower than the stiffness of the first rod portion.
|Method of establishing the deflection and/or the stiffness of a supporting structure|
A method for establishing the deflection and/or the stiffness of a supporting structure which is subjected to a load. The method includes the steps of moving a measurement vehicle along the supporting structure, the vehicle having a loaded axle, a first measuring system being a first versine system and a second measuring system being one of an inertia based system and a second versine system.
|Control device for link mechanism|
Provided is a control device for a link mechanism capable of preventing a damage of joint mechanisms even in the case of a collision of a movable part against an external object. The control device 30 includes: a characteristic determination unit 34 which determines desired stiffness k_cmd_i of an elastic element 5 of each joint mechanism ji so as to be within a range of first stiffness k1_i wherein the joint maximum elastic energy is equal to or more than joint collision kinetic energy to second stiffness k2_i wherein a first time is equal to or longer than a second time; and a characteristic control unit 35 which controls stiffness k_i of the elastic element 5 of each joint mechanism ji to be the desired stiffness k_cmd_i..
|Intraocular lens or lens system to provide monofocal vision at multiple pre-defined focal points|
An accommodative intraocular lens is described that provides monofocal vision at multiple pre-defined focal points during accommodation. The intraocular lens includes a lens element having a series of stacked optics that can be formed utilizing multiple different materials, each of which can have a different stiffness.
|Mesh enclosed tissue constructs|
Described is a heart valve leaflet manufactured from a mesh material. The mesh material may have an ability to capture circulatory/stationary/migratory cells of the body to become biologically active.
|Systems and methods for nonlinear elastography|
Nonlinear elastography systems and methods are provided. The elastography system includes a data acquisition module, such as an imaging device, and associated system control circuitry.
|Polyethylene blend compositions and film|
A polymer blend comprising first and second polyethylene copolymers is presented which has good processability, and which when made into film shows good toughness-stiffness balance, reasonable md tear, as well as good optical properties.. .
|Rubber compound and tire with component|
The invention relates to a rubber composition with a stiffness property promoted by combination of short fibers and resin product of a methylene donor and a methylene acceptor, where at least a portion of the methylene acceptor is comprised of expoxidized phenol formaldehyde, and to a tire with a component comprised of such rubber composition.. .
|Container handling and flow system, use thereof and method of handling containers|
A container handling and flow system comprising a plurality of base elements (1, 31) for mounting on top of containers and fasteners for locking the base elements on to corner fittings (14) of a container. The base elements are elongate and have a length corresponding to the width of the containers to be handled, said system possibly including base elements of different lengths corresponding to different container standards.
|Wearable electronic display|
A wearable display apparatus includes a display for providing viewable images. A display support assembly can support the display.
|Wrapping an object with a film using a tape for cutting the film|
A pressure sensitive adhesive film attached to a surface is cut by pulling a filament from an adhesive tape applied on to the surface through that part of the film over the tape so as to cut the film and to form a cut edge of the film. The filament is a polyester multi-fiber filament of the order of 16 tex which provides a strength to break of the order of 2 pounds force and an extension of the order of 15% under a load of 1.0 pounds force.
|Device for regulating stiffness|
A device for regulating stiffness has a rotary shaft coupled to the driven member to rotate the driven member, a rotational connection body coupled to the rotary shaft to freely rotate thereon and rotating by a driving power of the driving motor, and an elastic connection body fixed to the rotary shaft and extending in the length direction of the rotary shaft to connect to the rotational connection body, wherein the elastic connection body gives an elastic force in a direction opposite to the rotating direction of the rotational connection body to interrupt free rotation of the rotational connection body with respect to the rotary shaft, and wherein if the rotational connection body rotates by the driving motor, the elastic force of the elastic connection body acts as spring so that the rotating force of the rotational connection body is transmitted to the rotary shaft.. .
|Medical balloon devices and methods|
A balloon or balloon cover comprising a composite material having a least one expanded fluoropolymer material and an elastomer is provided. The expanded fluoropolymer material can contain serpentine fibrils.
|Rotational sensing catheter with self-supporting drive shaft section|
An intravascular catheter has a telescope section including telescoped inner and outer tubular catheter members, a sheath having a proximal end anchored to an end of one of the inner and outer catheter members, and an elongated flexible drive member coaxially disposed within and being proximally and distally movable through the sheath. The drive member has a distal portion received in the sheath, and a second, unsheathed portion extending beyond the sheath into the interior of the telescope section.
|Transitional region having cuts and a skive for an imaging catheter|
An imaging device for imaging a portion of a patient's vasculature with an imaging element may include a proximal portion having a relatively higher stiffness that provides rigidity for pushing the imaging device through a patient's vasculature, and may include a distal portion having a relatively lower stiffness that enables threading through a curved vasculature of the patient. The imaging device also may include a transition region disposed between the proximal portion and the distal portion..
|Sulfur-crosslinkable rubberizing mixture|
A sulfur-crosslinkable rubberizing mixture for strengthening elements in motor vehicle pneumatic tires comprises 70 to 100 phr (parts by weight, based on 100 parts by weight of total rubbers in the mixture) of natural rubber, up to 30 phr of at least one polybutadiene, 40 to 70 phr of at least one carbon black and a bonding system. Further, motor vehicle pneumatic tires are disclosed that comprise the sulfur-crosslinked rubberizing mixture.
|Frequency altering brace for an electric motor|
A vibration dampening brace for a motor enables altering the stiffness and reed critical frequency of a combined system of the motor and driven equipment without removal of the motor from a motor stand or support structure. The vibration dampening brace includes a first member configured to engage a portion of a housing of an electrical motor and a second member operatively connected to the first member to stiffen the bending moment of the electrical motor housing, resulting in the housing moving less with the vibrations generated by the combined system of the motor and the driven equipment.
|Continuous fiber reinforced biocomposites and polymers|
A device for introducing continuous fiber into a product material is provided. The continuous fiber is provided from at least one continuous fiber supply.
|Frequency altering brace for an electric motor|
A support brace for a motor enables altering the stiffness and reed critical frequency of a motor system without removal of the motor from a motor stand or support structure. The support brace includes a first flange configured to mount to an electrical motor housing, and a second flange configured to mount to a supporting fixture.
An apparatus and method are disclosed for protecting an outer layer of a flexible pipe. The apparatus includes a protective sleeve body comprising a first end region and a further end region.
|Structure to reduce noise and vibration in an engine system|
Adding dome-shaped protuberances, or polydomes, to an engine system increases the structural integrity of the engine component to which they are added and allows noise radiated in the engine system to be reduced in certain regions of the frequency spectrum without incurring a significant increase in the mass of the engine part to which they are added, which may result in a longer solidification time during the mold injection process. The size and spatial arrangement of polydomes relative to one another can be further adjusted to reduce noise within the engine system and polydomes may be reinforced with ribs to increase the structural stiffness of plastic engine components.
|Integrated wire carrier for electrode array|
A method for forming a cochlear electrode array with a plurality of electrodes which are spaced so as to stimulate sites within a cochlea includes shaping a sheet of electrically conductive material to form a support structure and a plurality of electrodes, in which the electrodes are tethered to the support structure at the spacing of the cochlear electrode array. A cochlear lead includes a flexible body that has frictional characteristics that vary about its circumference.