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| Number | Title | Issue Date |
| 7325712 | Electrical drive-in tool having two component flywheel An electrical drive-in tool includes a driving ram (13) displaceable in a guide (12), and a motor-driven drive flywheel (32) for driving the driving ram (13) and having a first component forming at least a circumferentially arranged rim a... | 02/05/2008 |
| 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 rim liner having an axis of rotation coinciding with the axis of rotati... | 09/04/2007 |
| 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 damping vibrations produced by the rotating shaft and conducting hea... | 02/13/2007 |
| 7175011 | Free-wheel with a free-wheel outer rim covered with fiber-reinforced plastic The invention relates to a free-wheel, in particular a pinch roller free-wheel or a pinch body free-wheel, comprising relatively-rotating elements arranged one within the other on a common axis, which form a gap, in which pinch elements, in particular pinch rollers ... | 02/13/2007 |
| 7111523 | Rotational power transmitting drive component with improved acoustic and assembly characteristics A structural power transmitting component embodies a shaft and a gear or pulley held threadedly positioned on the shaft by four nuts while interconnected by a torque transmitting wedge and key. The shaft is especially configured to establish structural interrelation... | 09/26/2006 |
| 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 for the material. Circumferentially wound fiber composite ... | 02/15/1994 |
| 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 stored kinetic energy. Preferred devices comprise a pair o... | 06/23/1992 |
| 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 constituted by incorporation of a rotor core (62) and a flywheel ... | 11/12/1991 |
| 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 arrangement combine to allow functions which the unique e... | 09/26/1989 |
| 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 the rim. The rim is in a tight interference fit with the c... | 08/29/1989 |
| 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 the next vertically adjacent laminate. A rim having a hig... | 04/04/1989 |
| 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 and a low thermal expansion coefficient, such as stainles... | 08/23/1988 |
| 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 housing are not rigidly fixed together but instead they ar... | 08/05/1986 |
| 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 flywheel and securing the flywheel to the shaft wherein the shaft... | 02/11/1986 |
| 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 torsionally stressed to store energy. The elastomeric member (16)... | 07/30/1985 |
| 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 torsionally stressed to store energy. The elastomeric member (16... | 07/30/1985 |
| 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 circumferential stresses in the plane of the disc.... | 11/08/1983 |
| 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 essentially planar isotropic high strength material. The flywheel ... | 10/11/1983 |
| 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 stresses ordinarily produced at high speed rotation of the ... | 02/01/1983 |
| 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 means and alternately engages the upper and lower surfaces ... | 11/23/1982 |
| 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 spider leg shape upon which a flywheel rim, such as one comp... | 07/27/1982 |
| 4286475 | Composite material flywheel hub Unidirectional fiber-reinforced matrix material bars are stacked to form a lightweight, high strength hub for a composite material flywheel.... | 09/01/1981 |
| 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 stresses ordinarily produced at high speed rotation of the ... | 08/25/1981 |
| 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 binder. The relatively thick rim portion surrounds the centr... | 05/12/1981 |
| 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 substantially less than the density-to-stiffness ratio of the cross-... | 06/17/1980 |
| 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 rotatable. At least a portion of the filaments in the core are or... | 04/22/1980 |
| 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 surrounds and thereby couples together fibers and layers of the c... | 02/26/1980 |
| 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 material which is circumferentially wound in a side-by-side rela... | 02/12/1980 |
| 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 having a high specific strength comparable to anisotropic ... | 01/29/1980 |
| 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 two cables linking the wheel hub to the wheel rim and env... | 01/15/1980 |
| 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 ring includes a cylindrical body portion, fabricated from... | 04/24/1979 |
| 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 direction parallel to the axis of revolution which is of ... | 02/06/1979 |
| 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 woven fibers disposed in a plane transversely related to an ax... | 07/04/1978 |
| 4080845 | Shaped disc flywheel A composite flywheel is shown with concave or conical shapes or combination thereof. Upon rotation at a predetermined speed, the surfaces of the flywheel tend to flatten with a resultant increase in radius measured from the axis of rotation. Such an incre... | 03/28/1978 |
| 4052913 | Polar weave flywheel assembly A polar weave (i.e., three-dimensional, reinforced, composite material) flywheel, assembly comprises an outer polar weave portion and an integral metal hub. The hub includes a plurality of recessions and projections to provide an interface between the out... | 10/11/1977 |
| 4028962 | Design and construction of flywheels from anisotropic materials This invention relates to the design and construction of the body of a flywheel from high strength anisotropic materials so as to provide maximum energy storage. The design is adaptable to fiber composite materials and allows the fibers to be oriented eit... | 06/14/1977 |
| 4023437 | Filament rotor having elastic sheaths covering the filamentary elements of the structure The invention generally relates to inertial energy storage devices formed of wound anisotropic material. In particular, the invention provides a disc-like flywheel formed of windings of anisotropic filaments wherein the filaments are provided with a relat... | 05/17/1977 |
| 4020714 | Filament connected rim rotor The invention relates to rotary inertial energy storage devices comprised of wound filaments or discrete rings of essentially anisotropic material formed into a rim or disc-like configuration. Pairs of adjacent rings or windings in any given plane perpend... | 05/03/1977 |
| 4000665 | Woven filament rotor structure The invention relates to inertial energy storage devices comprised of anisotropic filamentary elements and comprises several embodiments of a disc flywheel which, although consisting essentially of anisotropic elements, is effectively isotropic in total s... | 01/04/1977 |
| 3982447 | Convoluted rotor structures A rotary energy storage device formed of discrete annular rings of anisotropic filamentary material disposed within the rings in a "wound" configuration, the upper and lower edges of each ring being attached alternately to the edges on adjacent rings in a... | 09/28/1976 |
