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Stiffness patents

      

This page is updated frequently with new Stiffness-related patent applications.




 Ignition coil for internal combustion engine patent thumbnailnew patent Ignition coil for internal combustion engine
An ignition coil for an, internal combustion engine includes an annular elastic seal which is tightly attached to a high-voltage tower and a plug installed in the high-voltage tower to be conductible with a spark plug. The elastic seal hermetically seals a gap between the high-voltage tower and the plug and also functions as a buffer to absorb stress, as exerted from the plug on a case of the ignition coil.
Denso Corporation


 Carbon fiber/ceramic chassis patent thumbnailnew patent Carbon fiber/ceramic chassis
A chassis defines a system housing that houses a processing system and a display system. A chassis wall provided on the chassis includes a first carbon fiber layer that provides an outer surface of the chassis that is located opposite the chassis wall from the housing and a ceramic layer that is bonded to the first carbon fiber layer and located opposite the first carbon fiber layer from the outer surface.
Dell Products L.p.


 Reciprocating compressor patent thumbnailnew patent Reciprocating compressor
A reciprocating compressor is provided for which natural frequencies of a front side support spring and a rear side support spring are formed to be different such that a natural frequency of one support spring is lower than an operating frequency and a natural frequency of the other support spring is higher than the operating frequency, whereby both support springs may resonate in mutually opposite directions to form an antiphase, and thus, compressor vibrations may be effectively reduced without reducing a stiffness of both support springs.. .
Lg Electronics Inc.


 Methods of reducing mammographic breast density and/or breast cancer risk patent thumbnailnew patent Methods of reducing mammographic breast density and/or breast cancer risk
The present disclosure is directed to generally methods for treating mammographic breast density and/or breast stiffness in a patient in need thereof, such as a premenopausal or perimenopausal patient, comprising the administration of an effective amount of androgenic agent and an effective amount of an aromatase inhibitor. These methods may also be useful in post-menopausal woman..
Chavah Pty Ltd


 Methods, devices, and manufacture of the devices for musculoskeletal reconstructive surgery patent thumbnailnew patent Methods, devices, and manufacture of the devices for musculoskeletal reconstructive surgery
A device used in conjunction with fixation hardware to provide a two-stage process to address the competing needs of immobilization and re-establishment of normal stress-strain trajectories in grafted bone. A method of determining a patient-specific stress/strain pattern that utilizes a model based on 3d ct data of the relevant structures and cross-sectional data of the three major chewing muscles.
The University Of Toledo


 Ultrasonic imaging system patent thumbnailnew patent Ultrasonic imaging system
An existing ultrasonic diagnostic device is used to obtain a color flow image of a target object whose stiffness is to be measured. At this time, a vibration exciter applies a micro vibration with a frequency of n/4 (n represents an odd number equal to or larger than 1) to the target object with respect to a burst frequency of an ultrasonic pulse to generate a shear elastic wave.
National University Corporation Gunma University


 Orthopedic pillows for supine sleepers patent thumbnailnew patent Orthopedic pillows for supine sleepers
Embodiments of an orthopedic pillow are provided for supporting the head of a sleeper in a supine position. In one embodiment, the orthopedic pillow includes a base having a centerline, a primary head support surface provided on the base, and laterally-opposed side rails extending upwardly from the base and flanking the primary head support surface.

 Method for designing containers patent thumbnailMethod for designing containers
A method comprises steps of: providing an initial package design, providing an initial package-handling element design, modeling the interaction of the package and the package-handling element, and altering one of the package design or the package-handling element design according to the results of the model. Wherein the initial package-handling element design comprises at least one item selected from the group consisting of: a motion transfer component comprising a combination of discrete geometrically defined elements, package guide rails, package guide rail supports, vacuum conveying components, and combinations thereof.
The Procter & Gamble Company


 Coupling device for seismic sensors patent thumbnailCoupling device for seismic sensors
A coupling device is provided for a sensor unit having at least one sensor located within a housing. The coupling device includes at least one supporting portion, wherein the supporting portion is configured for maintaining the sensor unit in a stable position, with the coupling device either resting on or being buried into the ground, and at least one rod, arranged in a plane which is essentially perpendicular to a peripheral surface of the supporting portion and linked to the supporting portion.
Sercel


 Tire sensor-based vehicle state estimation system and method patent thumbnailTire sensor-based vehicle state estimation system and method
A vehicle state estimation system and method uses an observer model to make cornering stiffness estimates from tire-based sensor data and vehicle-based sensor data throughout transient and non-transient operational maneuvers of a vehicle. A cornering stiffness identifier extracts transient-state cornering stiffness estimates from the cornering stiffness estimates made by the observer model and extracts from the transient-state cornering stiffness estimates an optimal transient-state cornering stiffness estimate having a substantially highest confidence measure for use by a vehicle control system..
The Goodyear Tire & Rubber Company


Gasket with compression and rotation control

A multifunctional gasket with compression and rotation control comprises annular sealing element(s) with specific stiffness, geometry, tightness and compressibility properties and uniquely shaped compression element(s) with variable thickness and specific mechanical properties. The gasket is designed to seal under static and dynamic fluid pressure loading for a wide range of sizes and with severe thermal differential temperatures and static and dynamic external loads.

High flow polyolefin composition with high stiffness and puncture resistance

The present invention relates to a polyolefin composition comprising two heterophasic propylene copolymers which differ in the intrinsic viscosity of their xylene soluble fractions, the heterophasic propylene copolymer mit with the lower intrinsic viscosity is present up to 10 wt.-% in the polyolefin composition.. .
Borealis Ag

Elevator tension member stiffness estimation and monitoring

A system for determining stiffness of an elevator system tension member includes a landing floor indicator to transmit a landing floor signal of an elevator car to a stiffness estimator, and a car position encoder to transmit a car position signal of the elevator car in a hoistway to the stiffness estimator. A machine position encoder transmits a machine position signal to the stiffness estimator.
Otis Elevator Company

Method of manufacturing an elongated article, elongated article, obtainable by the method, and weight distributing system, adapted to be provided in an inner cavity of the elongated article

The invention relates to a method of manufacturing an elongated article having a shaft and a functional head section. The method includes the steps of providing a dimensionally stable core mandrel; overlaying first reinforcing fibers onto the core mandrel to form one or more first wall parts; providing at least one shaping element to the overlaid core mandrel; overlaying second reinforcing fibers onto the core mandrel and the at least one shaping element to form one or more second wall parts; and providing a matrix material and consolidating the matrix material.
Wesp Holding B.v.

Steerable laser probe

A steerable laser probe may include a handle, an actuation lever, an optic fiber, and a housing tube. The housing tube may have a first housing tube portion having a first stiffness and a second housing tube portion having a second stiffness.
Katalyst Surgical, Llc

Direct fabrication of attachment templates with adhesive

Systems, methods, and devices for producing orthodontic appliances are provided. In one aspect, an orthodontic appliance comprises an outer shell comprising a plurality of cavities shaped to receive the patient's teeth and generate one or more of a force or a torque in response to the appliance being worn on the patient's teeth.
Align Technology, Inc.

Multi-material aligners

Systems, methods, and devices for producing orthodontic appliances are provided. In one aspect, an orthodontic appliance comprises an outer shell comprising a plurality of cavities shaped to receive the patient's teeth and generate one or more of a force or a torque in response to the appliance being worn on the patient's teeth.
Align Technology, Inc.

Variable flexibility snare

Variable size snare devices include devices which can be reliably and predictably opened to the required size, can be reliably and predictably opened to the required shape, and can provide visual cues indicative of the size of the deployed snare loop. The snare devices also include variable stiffness levels wherein the devices comprise shape memory alloys such that the stiffness of the snare loop can be controlled for desirable effect..

Retractor and retractor blade

A retractor blade and a retractor blade kit are provided. The retractor blade has a proximal end, a distal end, and a toe-out mechanism between the proximal end and the distal end.
Alphatec Spine, Inc.

System and operating a mechanical resonator in an electronic oscillator

The invention relates to a method for operating a mechanical resonator in an electronic oscillator, comprising determining a state space description of the resonator, in which state variables are the mass, the stiffness or dimensions of components used in the crystal resonator; providing a table with frequency correction factors as a function of a state space of a resonator; finding a frequency correction factor corresponding to the determined state space; and multiplying the output frequency of the resonator with the correction factor, and to an electronic oscillator, comprising a mechanical resonator, wherein an output frequency of the oscillator is multiplied by a frequency correction factor, the frequency correction factor being obtained from determination of the state variables of the resonator, in particular dominant mechanical state variables.. .
Frapinventions B.v.

Damper disc assembly

A damper disc assembly includes an input plate, an output unit including an input-side member and an output-side member, a high stiffness damper unit, a low stiffness damper unit and first and second hysteresis torque generating mechanisms. The low stiffness damper unit is disposed axially between the input plate and the input-side member, and is actuated in a low torsion angular range of torsional characteristics.
Exedy Corporation

Squeeze film damper, bearing unit, and turbine

A squeeze film damper includes a bearing housing as an inner ring disposed around a radially outer side of a bearing which rotatably supports a rotary shaft, an outer ring disposed around a radially outer side of the bearing housing, a squeeze film formed by circulating a viscous fluid through a clearance in a radial direction between the bearing housing and the outer ring, and a coupling pin which couples the bearing housing and the outer ring to each other and is deformable in response to relative displacement in the radial direction between the outer ring and the bearing housing. The coupling pin has stiffness that is higher in a vertical direction than in a horizontal direction in a cross section perpendicular to an axial direction of the rotary shaft..
Mitsubishi Heavy Industries, Ltd.

Fixing structure and grille shutter unit

A fixing structure includes: a first member having a locked portion; a second member which is formed of a material having lower stiffness than that of the first member and includes a locking claw to be locked onto the locked portion; and a reinforcing member which is configured to limit bending of the locking claw.. .
Faltec Co., Ltd.

Stiffness-frequency adjustable xy micromotion stage based on stress stiffening

The present disclosure involves occasions where precise two-dimensional motion takes place, and is applicable to xy motion stages for precise displacement compensation. The present disclosure particularly involves a stiffness-frequency adjustable xy micromotion stage based on stress stiffening, which includes x-direction and y-direction motion sub-stages and corresponding drivers and a micromotion working table.
Guangdong University Of Technology

Stent delivery system

A stent delivery system includes a guide catheter, a tubular stent into which the guide catheter can be inserted, and a tubular pusher catheter into which the guide catheter can be inserted and disposed nearer to a proximal end side than the stent. The pusher catheter includes a diameter expansion-suppressing part provided at a distal end part and having the same inner diameter as the stent and an intermediate part provided at a proximal end side of the diameter expansion-suppressing part and having a bending stiffness less than that of the diameter expansion-suppressing part.
Olympus Corporation

Article of footwear with adjustable stiffness

An article of footwear with adjustable stiffness is provided. The article of footwear in the form of a snowboard boot is provided with adjustable tensioning systems that are disposed on either side of an inner liner of the snowboard boot.
Nike, Inc.

Balance-improving liquid-filled insole for use in therapeutics, rehabilitation, standing and walking work and sports

An insole made of two membrane foils, between which a liquid is provided. The membrane foils have very little elasticity and high stiffness to respond quickly to load by pushing liquid quickly from an area under the foot to another area of the foot, by which the balance response is made faster for a person who uses such insoles.
Medicovi Aps

Display cover panel with insert molding

A display in a portable information handling system may have a narrow or no border. A display panel cover included with the display may be formed with an insert molding that is co-molded with an outer panel for high bonding strength and high stiffness, as well as providing a desired high quality external appearance to information handling system.
Dell Products L.p.

Display cover panel with insert molding

A display in a portable information handling system may have a narrow or no border. A display panel cover included with the display may be formed with an insert molding that is co-molded with an outer panel for high bonding strength and high stiffness, as well as providing a desired high quality external appearance to information handling system..
Dell Products L.p.

High-planarity probe card for a testing electronic devices

A probe card for a testing apparatus of electronic devices comprises at least one testing head which houses a plurality of contact probes, each contact probe having at least one contact tip suitable to abut onto contact pads of a device under test, and a support plate of the testing head associated with a stiffener and an intermediate support, connected to the support plate and suitable to provide a spatial transformation of the distances between contact pads made on the opposite sides thereof. Conveniently, the probe card comprises a support element which is joined to the intermediate support, this support element being made by means of a material having a greater stiffness than the intermediate support, thereby being able to provide local micro rectifications of the intermediate support..
Technoprobe S.p.a.

Arrow having multiple exterior diameters and multiple interior diameters

A cylindrical carbon fiber arrow shaft formed with an exterior surface having single or multiple outside diameters and formed with an axial bore having multiple interior diameters. In a preferred embodiment, the exterior surface of the arrow shaft has an increased external diameter at the nock end and tapers to a smaller external diameter at the tip end.
Aldila Golf Corp.

Methods of coupling a flywheel rim and a shaft

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.
Orbital Atk, Inc.

Shaft with adjustable rigidity

The invention relates to shaft (1) with adjustable stiffness, wherein at least one torsion bar (2), which is surrounded by a tubular sleeve (3), is arranged between a first shaft attachment (8) and a second shaft attachment (15), wherein at least one shaft attachment (8) is arranged at a first end (2a) of the torsion bar (2), and wherein preferably at least one first damping element (4a, 4b, 4c) is arranged between the tubular sleeve (3) and the torsion bar (2), wherein the tubular sleeve (3) can be connected in a rotationally fixed and releasable manner at at least one end (11, 16) to the torsion (2) bar by means of at least one connection element (10, 20, 30). In order to permit, in the simplest possible manner, a durable but when necessary variable adjustability of the torsional stiffness in order to match the rotational oscillation behaviour, it is provided that the first shaft attachment (8) is formed by a first connection flange (7) which can be connected in a rotationally fixed and releasable manner to a corresponding first counter-flange (9) in the region of the first end (11) of the tubular sleeve (3) by means of at least one first connection element (10) preferably formed by at least one screw connection..
Avl List Gmbh

Magneto rheological fixture damping system

A vibration damping system for machining parts uses magneto rheological radial squeeze film damper technology to reduce part vibration, enhance tool lifecycles, and to improve part surface finish. In the described embodiment, the damping system includes a pair of damping cylinders affixed to a machine tool fixture, each cylinder containing a solid core concentrically situated within an internal sleeve portion of the cylinder.
The Boeing Company

Method of constructing a wind tower foundation

A fatigue resistant gravity based spread footing under heavy multi-axial cyclical loading of a wind tower. The foundation having a central vertical pedestal, a substantially horizontal continuous bottom support slab, a plurality of radial reinforcing ribs extending radially outward from the pedestal.

Engineered aggregates for metamaterials

Materials and methods for implementing engineered aggregates in metamaterials are provided. The engineered aggregates may be tuned to oscillate resonantly under the influence of an external force improving the dynamic performance of the metamaterial by impeding dynamic excitation.
California Institute Of Technology

Electro-rheological elastomeric, variable-stiffness flight control device

According to one embodiment, a flight control device includes a grip, a stick associated with the grip, and a gimbal. The stick defines a first axis.
Bell Helicopter Textron Inc.

Automotive frame rail reinforcing member to manage an offset, frontal applied load

A vehicle includes a body structure and a frame rail assembly. The frame rail assembly extends forward from the bulkhead along a longitudinal centerline.
Gm Global Technology Operations Llc

Guidewire with adjustable stiffness

A medical guidewire system including an inner member having an outer diameter and an outer member having an inner diameter, the inner diameter being larger than the outer diameter. The inner and outer members are relatively slidable to adjust a stiffness of the guidewire system.
Cardioguidance Biomedical, Llc

Echo-planar imaging magnetic resonance elastography pulse sequence

Magnetic resonance elastography (mre) is an imaging technique for estimating the stiffness of tissues non-invasively. Shear waves are generated via external mechanical actuation and the tissue imaged with a specially designed mr pulse sequence.

Electronic device housing utilizing a metal matrix composite

A housing used for electronic devices includes a structural frame element formed of a metal matrix composite (mmc) for providing improved stiffness over other materials currently in use. The mmc is a metal matrix (formed of a material such as aluminum), with a reinforcing material (such as a glass fiber or ceramic) dispersed within the metal matrix.
Ii-vi Incorporated

Method of managing collisions between a plurality of vehicles and vehicle applying such a method

A method of managing collisions, the method comprising: identifying a first crash structure (22) and determining an initial stiffness of the crash structure; determining a level of aggressivity of the collision based on the predicted energy absorption for each vehicle; identifying a first crash structure whose stiffness can be adjusted, and determining a subsequent stiffness value for the crash structure based on the determined amount of energy to be absorbed by each of the vehicles such that the energy absorbed by the crash structure is changed and the level of aggressivity is reduced; and stiffening the first crash structure to the determined stiffness value.. .
Coventry University

Shrink label

To provide an olefinic shrink label that includes an olefinic shrink film having excellent stretchability. The shrink label offers stiffness, transparency, and heat shrinkability at excellent levels and has a low specific gravity.
Fuji Seal International, Inc.

Wrist exerciser

A wrist exerciser includes a housing and a gyroscopic member. The housing includes a first cover, a second cover, a supporting portion and a protective assembly.
Nano-second Technology Co.,ltd.

Ultrasound device and estimating tissue stiffness

An ultrasound device and method for calculating an estimated tissue stiffness based on peak on-axis tissue displacement propagating along the axis of an acoustic radiation force (arf) excitation region are disclosed. Embodiments estimate stiffness by measuring time-to-peak tissue displacement directly along the acoustic radiation force axis.
Duke University

Sole assembly including a central support structure for an article of footwear

A sole assembly for an article of footwear is disclosed. The sole assembly includes a central support structure that extends along the sole assembly in the longitudinal direction.
Nike, Inc.

Strut and clip assembly for stiffening a hanger rod

The present invention is a clip for use with a strut that at least partially surrounds a hanger rod for the purpose of providing stiffness to the hanger rod. The clip includes a handle portion, a rod-clamping portion, and a fulcrum spaced away from the handle portion.
Vibration & Seismic Technologies, Llc

Structure improvement of pump casing with pfa liner

A structure improvement of a pump casing with a polyfluoroalkoxy (pfa) liner which improves manufacturing efficiency, reduces manufacturing cost and improves yield strength, more particular to keep the stiffness of the shaft support and improve yield of the pump casing. The metal pump casing with the pfa liner used for handling corrosive liquids includes a suction casing with pfa liner, and a volute casing with pfa liner for accommodating an impeller.
Assoma Inc.

Structurally enhanced geotextile sediment-control fences

Sediment-control fences that are structurally enhanced to prevent failure due to hydrostatic and hydrodynamic forces are disclosed. The sediment-control fences comprise a permeable geotextile material and reinforcing straps located at controlled heights.
Denny Hastings Flp 14

Aircraft structure and manufacture

The technology herein relates to an aircraft structure for being moveably mounted externally on an aircraft, the aircraft structure being an aerodynamic structure comprising a structural component providing structural strength and stiffness to the aircraft structure, the structural component comprising an integral fixing for moveably mounting the aerodynamic structure externally to the aircraft, and an integral fixing for attachment to an actuator for actuating movement of the aircraft structure with respect to the aircraft, and an aerodynamic surface component attached to one side of the structural component, the aerodynamic surface component providing an aerodynamic external surface of the aircraft structure. The technology herein also relates to a method of manufacturing the aircraft structure..
Airbus Operations Limited

Motor vehicle wheel suspension

A wheel suspension for a motor vehicle wheel for damping nvh effects, wherein the nvh effects are transmitted from an automatic transmission to the driven wheel via the drive train at idle. The nvh effects can potentially be transmitted from the wheel to the vehicle structure via the wheel suspension.
Ford Global Technologies, Llc

Golf ball resin composition and golf ball

An object of the present invention is to provide a golf ball resin composition having a high resilience, flexibility and high fluidity. The present invention provides a golf ball resin composition having a bending stiffness (m21-30) ranging from 600 kgf/cm2 to 5,000 kgf/cm2 within a bending angle from 21° to 30°, a rebound resilience (r) of 50% or more, a slab hardness (shore d) ranging from 40 to 65, a melt flow rate (190° c., 2.16 kgf) of 1.0 g/10 min or more, and a resilience index value ((m21-30)0.5×(r/100)3) of 8.5 or more..
Dunlop Sports Co. Ltd.

Guidewire with adjustable stiffness

A medical guidewire system including an inner member having an outer diameter and an outer member having an inner diameter, the inner diameter being larger than the outer diameter. The inner and outer members are relatively slidable to adjust a stiffness of the guidewire system.
Cardioguidance Biomedical, Llc



Stiffness topics:
  • Brush Assembly
  • Electronic Device
  • Piezoelectric


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