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Match Document Document Title
7263912 Flywheel hub-to-rim coupling  
A flywheel system includes an annular rim mounted for high speed rotation on a flywheel hub. The hub has a radially splined exterior surface facing radially outwards. The rim includes an annular...
7174806 Flexible bearing damping system, energy storage system using such a system, and a method related thereto  
A bearing damping system for damping vibrations and conducting heat from vibration-producing, heat-generating devices, an evacuated energy storage system including such a bearing damping system for...
6868753 Composite rotors for flywheels and methods of fabrication thereof  
A flywheel for use as an energy storage device is made of hoops of different fiber composite layers, the radial thickness of each hoop and the physical properties of the fiber composite in each...
6867520 Electro-mechanical battery  
An electromechanical battery having an annular rotor structure with magnetic levitation components integrally mounted in the rotor structure providing a passive levitation system in conjunction...
6852401 Composite flywheel rim with co-mingled fiber layers and methods for manufacturing same  
A composite-based rim and methods for manufacturing such a rim are provided. The rim includes multiple fiber-based, co-mingled layers, wherein the strength and/or stiffness of the layers increases...
6722228 Flywheel and method and apparatus for manufacturing flywheels  
An apparatus and method for the manufacture of composite flywheels. The apparatus includes an inner cylinder, an outer cylinder, a fiber feeding device and a knitting device. The fiber feeding...
6583528 High performance composite flywheel  
A flywheel system for storing and delivering on demand electrical energy includes a flywheel supported for high speed rotation on bearings in a vacuum enclosure, and a motor-generator for spinning...
6247382 Composite material flywheel device  
A flywheel structure which has a ring made from a composite material of carbon fiber reinforced plastics and a spoke member inserted in the ring. The spoke member is made from the fiber reinforced...
6138527 Methods for making a flywheel  
Flywheel-based energy storage devices are provided along with methods for their use and fabrication. The devices have the capacity to store electric energy as kinetic energy and to generate...
6014911 Flywheel with self-expanding hub  
A high energy storage flywheel having a rotor and annular disk which are of a composite material. A metal hub is secured to a shaft and joined to the disk at a hoop. The hub has opposite sections...
5946979 Flywheel  
A flywheel comprises an annular body (13) which is arranged on a rotatably mounted metallic shaft (10). The shaft has at least one hollow shaft part (12) having an outer surface part coextending or...
5941132 Concentric ring flywheel without expansion separators  
A concentric ring flywheel wherein the adjacent rings are configured to eliminate the need for differential expansion separators between the adjacent rings. This is accomplished by forming a...
5821650 Soft magnet for a rotor  
The present invention is an a rotor. The rotor includes a rim portion, divided into a first rim section and a second rim section. The first rim section includes a soft magnet positioned on it. The...
5816114 High speed flywheel  
A method of operating a flywheel (10) includes the provision of a central shaft (12) defining an axis of rotation; providing a disk-shaped hub (22) joining drivingly with both the shaft and with a...
5784926 Integral composite flywheel rim and hub  
A fiber reinforced composite hub has a plurality of fiber reinforced spokes having first portions which define a drive shaft bore and second portions which mate to an innermost layer of a fiber...
5778735 Interlayer toughening of fiber composite flywheel rotors  
An interlayer toughening mechanism to mitigate the growth of damage in fiber composite flywheel rotors for long application. The interlayer toughening mechanism may comprise one or more tough...
5758549 Interface structure for hub and mass attachment in flywheel rotors  
An interface structure for hub and mass attachment in flywheel rotors. The interface structure efficiently transmits high radial compression forces and withstands both large circumferential...
5722303 Mixed-mu superconducting bearings  
A mixed-mu superconducting bearing including a ferrite structure disposed for rotation adjacent a stationary superconductor material structure and a stationary permanent magnet structure. The...
5721461 Combined energy storage alternator and pulsed power alternator  
An alternator includes a flywheel for storing kinetic energy. A motor generator, which includes permanent magnets mounted to a rotor, receives electrical power for accelerating the rotor to a high...
5702795 Spirally woven fabric, and prepreg and rotary body each using said spirally woven fabric therein  
A spirally woven fabric as well as a prepreg and a rotary body each using the fabric therein is adapted for use as materials for high-speed rotary bodies such as flywheels for electric power...
5692414 Flywheel having reduced radial stress  
A high-speed flywheel includes a composite rim supported for rotation about a central axis which is perpendicular to the plane of the rim. The rim includes at least a pair of rim portions or...
5628232 Flywheel rotor with conical hub and methods of manufacture therefor  
A flywheel rotor used in a flywheel energy storage system providing a high energy storage capacity while providing an ample volume for a high power motor-generator within its envelope includes an...
5590569 Energy storage flywheel device  
The energy storage flywheel device (6) includes a plurality of annular shaped composite sections (8) and an annular shaped insert (10). The insert (10) has a specific radial strength substantially...
5285699 Reinforced composite flywheels and shafts  
The maximum safe operating speed or flywheels and shafts made of low tensile strength material is often determined by the speed at which radial tensile stress exceeds a radial tensile stress limit...
5124605 Flywheel-based energy storage methods and apparatus  
Flywheel-based energy storage devices, with methods for their use and fabrication. The devices have the capacity to store electric energy as kinetic energy and to generate electric energy from the...
5065060 Flywheel type energy storage apparatus  
A flywheel type energy storage apparatus for use in an uninterruptible power supply has an induction motor which serves as a generator/motor, in which a rotor (65) of the induction motor is...
4870310 Portable crash-survivable kinetic energy storage machine  
A portable crash-survivable kinetic flywheel storage machine which makes use of a ring shaped flywheel which is designed to be suspended by electromagnetic levitation. The structural and mechanical...
4860611 Energy storage rotor with flexible rim hub  
An energy storage rotor (flywheel) used for kinetic energy storage has a unitary metallic hub having a plurality of spokes and a continuous rim integral with the spokes. A composite ring surrounds...
4817453 Fiber reinforced centrifuge rotor  
A centrifuge rotor includes a central disc formed of a plurality of laminates each having an array of fibers arranged at predetermined annular orientations with respect to the axes of the fibers in...
4765198 Energy storage wheel  
An energy storage wheel containing a plurality of solid peripheral segments juxtaposed side by side in the direction of the circumference of the wheel and made from a material having a high density...
4603555 Apparatus for containing an energy storage flywheel  
Apparatus suitable for containing a rotatable body such as a flywheel comprising at least two parts which together define a housing within which the rotatable body can be rotated. The parts of the...
4569114 Energy storage flywheels and method of mounting  
A method of mounting a fibre composite flywheel on a relatively stiff shaft, such as a metal or carbon fibre shaft, comprising passing the shaft through a hole in a hub at the center of the...
4532163 Elastomeric member  
An energy storage device (10) is disclosed consisting of a stretched elongated elastomeric member (16) disposed within a tubular housing (14), which elastomeric member (16) is adapted to be...
4531719 Elastomeric member for energy storage device  
An energy storage device (10) is disclosed consisting of a stretched elongated elastomeric member (16), disposed within a tubular housing (14), which elastomeric member (16) is adapted to be...
4413860 Composite disc  
Method of manufacture of discs of fiber-reinforced composite comprising layers of segments with axial and circumferential fiber alignment for superior stiffness and resistance to radial and...
4408500 Rimmed and edge thickened Stodola shaped flywheel  
A flywheel (10) is described that is useful for energy storage in a hybrid vehicle automotive power system or in some stationary applications. The flywheel (10) has a body (15) composed of...
4370899 Flywheel for kinetic energy storage  
A unitary, wide rim of fiber composite material for use in conjunction with flywheels for inertial energy storage apparatus, the rim being fabricated to minimize radial stresses and equalize hoop...
4359912 Superflywheel energy storage device  
An inertial energy storage rotor device or superflywheel having a hub means affixed to a rim means by a plurality of spokes formed from a single filament which is wrapped partially around the rim...
4341001 Hub for use in flywheels for kinetic energy storage  
A unitary hub and method of fabricating such a hub for use in conjunction with flywheels for inertial energy storage apparatus, the hub having a double convex domed configuration cut into double...
4285251 Rim for use in flywheels for kinetic energy storage  
A unitary, wide rim of fiber composite material for use in conjunction with flywheels for inertial energy storage apparatus, the rim being fabricated to minimize radial stresses and equalize hoop...
4266442 Flywheel including a cross-ply composite core and a relatively thick composite rim  
A flywheel includes a cross-ply composite central portion including a plurality of fiber-containing layers and a relatively thick rim portion of circumferentially wound fibers impregnated with a...
4207778 Reinforced cross-ply composite flywheel and method for making same  
A cross-ply composite flywheel is provided with a rim portion of circumferentially wound fibers impregnated with a binder. The density-to-stiffness ratio of the rim portion is of a value...
4198878 Rotary energy storage device  
A rotary energy storage device includes a core in which a multiplicity of anisotropic filaments are embedded in a resin matrix. Extending through the core is an axis about which the core is...
4190626 Method of manufacture of bonded fiber flywheel  
The method of manufacture of a fiberglass-epoxy flywheel wherein layers of fiberglass cloth, generally forming a circular mass, are pre-stressed by rotation during the curing of epoxy which...
4187738 Rim for rotary inertial energy storage device and method  
The present invention is directed to an improved rim or a high-performance rotary inertial energy storage device (flywheel). The improved rim is fabricated from resin impregnated filamentary...
4186245 Energy storage flywheel  
A flywheel is provided for storing rotational energy at high energy densities and which possesses a primary failure mode of delamination. The flywheel is constructed from glassy metal alloy strips...
4183259 Wheel structure adapted to spin at high angular velocities and method of manufacturing the same  
A wheel structure such as a flywheel with hub and rim adapted for use at high angular velocities including a strong, compact and perfectly balanced coiling formed by a radiating winding of at least...
4150582 Rotor ring for inertial energy storage rotor  
An improved rotor ring for use in an inertial energy storage rotor, the rotor being defined by a plurality of independent, concentric rotor rings rotatable about a vertical axis. The improved rotor...
4138286 Method of forming a part of revolution having a flat shape  
A continuous filament impregnated with a hardenable polymer is wound on a mandrel between two detachable sideplates of a mold so as to form a part of revolution having a longitudinal dimension in a...
4098142 Rotatable mass for a flywheel  
An improved rotatable mass for a flywheel characterized by a plurality of coaxially aligned, contiguous disks mounted on a spin shaft, each disk of the plurality being formed of a plurality of...
Matches 1 - 50 out of 65 1 2 >