Class 74/572.21 - Structural detail, e.g., fiber, held by magnet, etc.

Subclass of Class 74 - Machine element or mechanism
Definition: Subject matter highlighting a specific feature of the
No. of patents: 36
Last issue date: 08/26/2008

Number	Title	Issue Date
7415849	Pulley of washing machine A pulley of a washing machine, wherein the weight of the pulley is reduced by forming a strain-focused portion of the pulley with a high-rigidity material. The pulley of the washing machine having a motor for rotating a drum connected to one end of a shaft, includes...	08/26/2008
7365461	Crash management system for implementation in flywheel systems A crash management system for implementation in a flywheel energy storage system (FESS) is provided. Implementation of such a system entails designing an FESS rim that is highly failure resistant, and designing the FESS such that if one, some, or even all of its com...	04/29/2008
7361092	Balance assembly for coupling first and second rotating members A flange member is disclosed for a balance assembly that includes a first rotating element coupled to a second rotating element. The flange member includes a main body exhibiting a predetermined imbalance vector when rotated about an axis of rotation. The flange mem...	04/22/2008
7290737	Nonsurvivable momentum exchange system A demiseable momentum exchange system includes a base and a flywheel rotatably supported on the base. The flywheel includes a web portion defining a plurality of web openings and a rim portion. The momentum exchange system further includes a motor for driving the fl...	11/06/2007
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
7217226	Method and system for coupling a flywheel assembly onto a shaft of an electric motor using a self-holding taper An electric motor assembly including an electric motor and a flywheel assembly. The electric motor includes a rotatable shaft, at least a portion of the shaft being tapered as the shaft extends from the electric motor to an outer end of the shaft, the outer end of t...	05/15/2007
7145274	Magnetoelectric generator A magnetoelectric generator includes a bowl-like flywheel (3) having a bottom portion (6) formed with ventilation holes (20), a plurality of permanent magnets (7) secured to an inner circumferential surface of the flywheel (3), a s...	12/05/2006
7143845	Drilling apparatus with anti-vibration inertial body A blast-hole drilling rig includes a carriage, a mast disposed on the carriage, and a rotary head mounted on the mast for up-and-down movement. The rotary head includes: a housing forming an internal chamber, a hydraulically driven motor, and a rotation transmission...	12/05/2006
7134361	Flywheel and mounting method for same In order to suppress axial vibration in a crank system, prevent knocking sound, and reduce vibration noise, a flywheel (1) which is mounted onto the crankshaft of an engine (E) is made into a spoked form having an uneven number of spokes (5). This prev...	11/14/2006
7114420	Vibration attenuator clip and attenuator using the same A clip engages a pair of legs of a vibration attenuator to reduce the local separation of the legs, thereby increasing the force of friction pads, affixed to the legs, against a brake disk to compensate for reduced thickness of the friction pads due to wear. The cli...	10/03/2006
7091635	Motor/flywheel assembly with shrouded radial cooling fan A flywheel/motor assembly is disclosed that comprises a motor housing having a sidewall and an end wall extending substantially perpendicularly from the sidewall. The end wall enclose a motor assembly having a rotatable shaft extending therefrom. The motor housing h...	08/15/2006
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
5279182	Cooling mechanism for built-up flywheel In a built-up flywheel comprising a first flywheel (12), a second flywheel (30) and a clutch covering body (32), a cooling mechanism is provided which has a cooling port (52) formed in the inner periphery of said second flywheel (30) and a cooling groove ...	01/18/1994
5247853	Flywheel A flywheel for a stationary exercise machine having a frictional resistance strap is formed of heat-sensitive plastic, and includes a band of heat-dissipating material disposed about the periphery or rim of the flywheel for frictional contact with the res...	09/28/1993
5245954	Axial fan flywheel Disclosed herein is a flywheel comprising a flywheel structure including a hub portion having an axis, an inner end, and an outer end spaced axially from the inner end, a central flange portion extending radially outwardly from the outer end of the hub po...	09/21/1993
5216798	Process for forming a balanced flywheel assembly A process for forming a balanced flywheel assembly from a cast metal hub having at least one cast-in pick up and a ring gear having an inside shrink-fit surface with a predetermined diameter at ambient temperature by heating a ring gear sufficiently to ca...	06/08/1993
5203826	Enclosed flywheel A flywheel has a hub with a plurality of blades secured to said hub and extending away therefrom. A plurality of ribs are secured to the blades to form a protective enclosure which rotates with the blades. The ribs are spaced apart a distance selected to ...	04/20/1993
5191809	Exercise bicycle flywheel An exercise bicycle wheel comprises a pair of facing fly wheel halves. The flywheel halves include spokes which extend outwardly from a hub portion and terminate in concave rim portions which face one another. When the two halves are joined, the rim porti...	03/09/1993
5179872	Magneto rotor A magneto rotor includes a bowl-like aluminum body with an open end defined by an annular rim having an inner peripheral surface. A plurality of arcuate pockets are machined into the peripheral rim surface, each of the pockets extending between first and ...	01/19/1993
5165305	Hermetically sealed flywheel and method of making the same A flywheel assembly adapted to act also as a high inertia journal bearing in a canned pump or the like is composed of an annular core of heavy metal material which is hermetically sealed in a stainless steel casing formed by a number of enclosure pieces w...	11/24/1992
4817454	Rotary body subjected to centrifugal forces A rotary body adapted to be subjected to centrifugal forces, with the rotary body including a load ring carried by a wheel disk or the like. The load ring is defined between two enveloping or surrounding cylindrical surfaces which respectively define the ...	04/04/1989
4660435	Fiber composite flywheel rim A flywheel 2 comprising a hub 4 having at least one radially projecting disc 6, an annular rim 14 secured to said disc and providing a surface circumferential to said hub, a first plurality of resin-impregnated fibers 22 wound about said rim congruent to ...	04/28/1987
4538079	Flywheel device with compensation for non parallel plates The present invention relates to a flywheel device comprised of a plurality of flywheel discs axially stacked one upon the other and interconnected by a plurality of tightening bolts. The flywheel discs act as a flywheel in their entirety and are connecte...	08/27/1985
4537091	Matched metal die compression molded structural random fiber sheet molding compound 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 of essentially planar isotropic high strength structural random fiber sheet molding...	08/27/1985
4483214	Method for the production of fibre reinforced articles A method for the production by resin injection moulding of fibre reinforced articles from fibrous material bonded in a curable matrix material which articles comprise two or more spokes (2, 3, 4) extending from a hub portion (1), each spoke (2, 3, 4) bein...	11/20/1984
4286696	Brake flywheel for bicycle-type ergometric exerciser In a bicycle-type ergometric exerciser, a brake flywheel comprising two complementally dished stamped metal discs with central hub-receiving apertures and secured together by rivets equally circumferentially spaced around an intermediate portion, with lat...	09/01/1981
4241654	Fly-wheel An agricultural implement, such as a baler, has a fly-wheel connection that disconnects drive to the ram and other baler parts upon overload. The fly-wheel includes a first member on a driving shaft that is connected to a second member on a driven shaft t...	12/30/1980
4241620	Balance wheel The invention relates to a balance wheel for rotating machines, especially combustion engines, including, for example, outboard motors. Hitherto, such balance wheels or flywheels have been manufactured from different non-ferrous metals as zinc or aluminum...	12/30/1980
4123949	Inertial energy storage device The inertial energy storage device of the present invention comprises a composite ring formed of circumferentially wound resin-impregnated filament material, a flanged hollow metal hub concentrically disposed in the ring, and a plurality of discrete filam...	11/07/1978
4124327	Spindle inertia changing apparatus for machining center The present invention relates to an improvement in a mechanism wherein a flywheel which is idly mounted on a spindle of a machining center is easily and speedily connected with or detached from the spindle by a clutch which is fitted on the spindle adjace...	11/07/1978
4102221	Cross-ply composite flywheel A flywheel comprises a plurality of overlying fiber layers embedded in a monolithic matrix of binder material. The fibers of each layer are parallel to each other and extend in radial and chordal directions. The fibers of each successive layer are oriente...	07/25/1978
4049985	Damping device for a stepper motor A device for damping the natural oscillations of the rotor of a stepper motor. A permanent magnet is fixed to the rotor and magnetically coupled with an inertia mass constructed of material with distinct hysteresis. The rotor is damped by conversion of me...	09/20/1977
4011120	Method for fastening ceramic magnets to a flywheel using centrifugal force A plurality of ceramic magnets are bonded on the inside of a flywheel by applying an adhesive to outside surfaces of the magnets, locating the magnets in a rotatable fixture, placing the flywheel over the magnets with a slight radial clearance between the...	03/08/1977
3988947	Coiled flywheel assembly A flywheel for use with tools such as punch presses and the like which includes a substantially flat mounting plate with means for mounting the plate to the machine upon which the wheel will be used and providing the flat plate with a strip of material ab...	11/02/1976
3977273	Flywheel A flywheel for an inertial guidance system, comprising a rim reinforced by a sheet formed of one or more filaments wound around the rim and intersecting adjacent the axis of symmetry of the rim. The sheet of filaments may be reinforced by means of a binde...	08/31/1976
3960034	Flywheel with anti-cracking safeguard for protection against overspeed Flywheel assembly with anti-cracking safeguard for protection against overspeed, including a frustroconical shaft portion, a flywheel mounted in press-fitting engagement on the shaft portion and having a force applied thereto directed toward the end of th...	06/01/1976

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Class 74/572.21 - Structural detail, e.g., fiber, held by magnet, etc.