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Stiffness

Stiffness-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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NEW Apparatus and method for measuring diametrical stiffness of tread ring
Sumitomo Rubber Industries, Ltd.
May 17, 2018 - N°20180136084

An apparatus 1 for measuring a diametrical stiffness of a tread ring 100 for an airless tire 101 comprises: a device 2 for supporting the tread ring, a device 3 for applying a constant load f to the supported tread ring across the diameter of the tread ring, and a device 4 for measuring the amount of deflection of the tread ring across the above-said diameter ...
NEW Variable stiffness joint assembly having a bushing assembly
Steering Solutions Ip Holding Corporation
May 17, 2018 - N°20180135705

A bushing assembly for a variable stiffness joint assembly includes a bushing body. The bushing body is disposed about a shaft assembly. The bushing body has an inner bushing surface, an outer bushing surface that is spaced apart from the inner bushing surface, a first bushing face that extends between a first end of the inner bushing surface and a ...
NEW Geared architecture for high speed and small volume fan drive turbine
United Technologies Corporation
May 17, 2018 - N°20180135454

A gas turbine engine according to an example of the present disclosure includes, among other things, a fan shaft drivingly connected to a fan with the fan having fan blades. A fan shaft support that supports the fan shaft and a gear system connected to the fan shaft. The gear system includes a ring gear defining a ring gear lateral ...
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Stiffness Patent Applications
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NEW Shaped delivery sheath and methods
W. L. Gore & Associates, Inc.
May 17, 2018 - N°20180132837

Embodiments relate to delivery systems for accessing a blood vessel. The delivery systems include a shaped accessory sheath having a default shape that may be temporarily altered to facilitate insertion through a patient's blood vessel and returned to the default shape after insertion to facilitate a medical procedure. Some of the present accessory sheaths are configured to have their default ...
NEW Method and apparatus to measure tissue displacement and strain
May 17, 2018 - N°20180132830

A method for reconstructing displacement and strain maps of human tissue of a subject in vivo or other objects includes applying a mechanical deformation for a target area, imaging tissues while deformation is applied on the target area, measuring the axial and lateral displacements and axial, lateral, and shear strains of tissue in the target area, differentiating between tissues of ...
Electronic device
Sharp Kabushiki Kaisha
May 10, 2018 - N°20180131792

An indication sheet 20 of an electronic device includes: a base sheet 21 which has one end portion 21a coupled to a portion located inward from an indication sheet opening 3a and configured to be housed through the indication sheet opening 3a while being at a folded position; and a drawable part 22 which has a higher stiffness than the base sheet 21, to ...
Stiffness Patent Pack
Download 324+ patent application PDFs
Stiffness Patent Applications
Download 324+ Stiffness-related PDFs
For professional research & prior art discovery
inventor
  • 324+ full patent PDF documents of Stiffness-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Device and method for measuring three-dimensional contact stiffness of spur gear based on rough surface
Beijing University Of Technology
May 10, 2018 - N°20180128710

Embodiments relate to devices and/or methods for measuring three-dimensional contact stiffness of spur gear based on rough surfaces. A hexagonal mesh is used for partitioning, and areas of each square meshes are identical with respect to tooth surfaces. The embodiments include calculating contact pressure distribution of smooth tooth surface based on a finite element method and extracting node pressure ...
Controllable magneto-rheological device for gas turbine engine
General Electric Company
May 10, 2018 - N°20180128342

A controllable magneto-rheological device includes an annular cylinder formed by inner and outer walls connected at first and second opposing ends and forming an inner shaft configured to receive an operational component of an engine, generator or other device including one or more rotating structures. A magneto-rheological fluid is provided to fill a volume between the inner and outer walls ...
Active radial magnetic bearing phased array
Cleveland State University
May 10, 2018 - N°20180128313

A rotor bearing system radially supporting a rotor, held in magnetic suspension without contact, by active radial magnetic bearing phased arrays, bearing sensors used to measure the rotor motion and bearing properties, a controller system used to adjust variable magnetic bearing parameters via amplifiers for each array element in response to bearing sensors, to change bearing local array element stiffness ...
Wind turbine
Acciona Windpower, S.a.
May 10, 2018 - N°20180128247

The present invention describes a wind turbine comprising a hub, at least one blade and at least one pitch bearing to connect the at least one blade to the hub, the at least one pitch bearing comprising at least an inner ring and an outer ring, and at least a rolling race, wherein the wind turbine further comprises at least ...
Flexible coupling for geared turbine engine
United Technologies Corporation
May 10, 2018 - N°20180128186

A gas turbine engine includes a fan shaft arranged along an engine central axis, a frame supporting the fan shaft, a gear system rotatably coupled with the fan shaft, and a flexible coupling at least partially supporting the gear system. The flexible coupling defines, with respect to the engine central axis, a torsional stiffness ts and a lateral stiffness ls ...
Flexible coupling for geared turbine engine
United Technologies Corporation
May 10, 2018 - N°20180128185

A gas turbine engine includes a fan shaft arranged along an engine central axis, a frame supporting the fan shaft, a gear system rotatably coupled with the fan shaft, and a flexible coupling at least partially supporting the gear system. The flexible coupling defines, with respect to the engine central axis, a torsional stiffness ts and a lateral stiffness ls ...
Reinforced composite vehicle wheel and method of construction thereof
Lacks Enterprises, Inc.
May 10, 2018 - N°20180126776

A composite wheel assembly and method of construction thereof is provided. The composite wheel assembly includes a wheel having an inwardly facing surface, an outwardly facing surface, a generally cylindrical barrel portion, and a plurality of apertures formed about a central hub aperture. At least one wheel cladding is fixedly bonded to at least one of the inwardly facing surface, ...
Stiffness Patent Pack
Download 324+ patent application PDFs
Stiffness Patent Applications
Download 324+ Stiffness-related PDFs
For professional research & prior art discovery
inventor
  • 324+ full patent PDF documents of Stiffness-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Systems and methods for varying elastic modulus appliances
Align Technology, Inc.
May 10, 2018 - N°20180126626

The present invention provides improved devices, systems and methods for repositioning teeth from an initial tooth arrangement to a final tooth arrangement. Repositioning is accomplished with a system comprising a series of polymeric shell appliances configured to receive the teeth and incrementally reposition individual teeth in a series of successive steps. The individual appliances may be formed from layers having ...
Machine and method for machining workpieces of wood, plastic material and the like
Michael Weinig Ag
May 10, 2018 - N°20180126511

With the machine, workpieces are machined as they pass through the machine. At least one of the spindles of the machine is coupled with an adjusting unit with which the spindle, for producing a contour on the workpiece, can be adjusted transverse to the throughfeed direction of the workpiece during workpiece throughfeed. The adjustment of the adjusting unit is realized ...
Computed tomography (ct)-based elastography
Ohio State Innovation Foundation
May 10, 2018 - N°20180125442

Systems and methods are provided for ct-based elastography. A ct gantry is rotated while acquiring ct image data at a first frequency while tissue vibration is induced at a second vibrational frequency. The data acquisition frequency and the vibrational frequency are harmonically related and are synchronized such that the vibrational period aligns with the data acquisition period. Displacement of each ...
Segmented air foam mattress
Sizewise Rentals, L.l.c.
May 10, 2018 - N°20180125257

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 ...
Motor rotor structure with copper conductive bars
Nio Nextev Limited
May 03, 2018 - N°20180123435

The present application relates to the field of electric motor, particularly to a motor rotor structure with copper conductive bars. This application aims at solving the problem existed in the art, which is how to reduce stress concentration of the rotor iron core and how to avoid deformation of the copper end rings. The motor rotor structure of this application ...
Bi-directional stiffness for optical image stabilization in a dual-aperture digital camera
Corephotonics Ltd.
May 03, 2018 - N°20180120583

Mechanisms for providing optical image stabilization in at least one direction as well as auto-focus in a digital camera comprise a plurality of springs mechanically coupled to at least a lens module carrying a lens of the digital camera, wherein the plurality of springs provides overall low stiffness to movement of the lens in two, first and second directions orthogonal ...
Non-contact dynamic stiffness measurment system and method
Industrial Technology Research Institute
May 03, 2018 - N°20180120262

A non-contact dynamic stiffness measurement system includes a base, a test bar, an exciter, a force sensor, a laser doppler velocimeter, and a controller. The force sensor is connected to the exciter and the base. The exciter is located between the test bar and the force sensor. The controller is electrically connected to the force sensor and the laser doppler ...
Geared architecture for high speed and small volume fan drive turbine
United Technologies Corporation
May 03, 2018 - N°20180119564

A gas turbine engine according to an example of the present disclosure includes, among other things, a fan shaft drivingly connected to a fan with the fan having fan blades. A fan shaft support that supports the fan shaft and a gear system connected to the fan shaft. The gear system includes a gear mesh defining a gear mesh lateral ...
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