[특허]Reinforced composite flywheels and shafts

[미국특허] Reinforced composite flywheels and shafts 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G05G-001/10 F16F-015/22
출원번호	US-0840737 (1992-02-21)
발명자 / 주소	Walls W. Alan (Austin TX) Estes Elvin (Austin TX) Manifold Steve M. (Austin TX) Spann Michael L. (Austin TX) Gully John H. (Austin TX)
출원인 / 주소	Board of Regents, University of Texas System (Austin TX 02)
인용정보	피인용 횟수 : 42 인용 특허 : 0

초록 ▼

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 material, for example, has a relatively low tensile strength along the radial direction perpendicular to the fibers. To increase the maximum safe operating speed, it is therefore desirable to form a fiber composite flywheel or shaft with radial compressive prestress. Such a prestressed flywheel or shaft has an outer annulus and an inner cylinder disposed in the outer annulus, and an annular layer of solidified bonding agent within an annular region between the outer annulus and the inner cylinder, wherein the outer annulus and the inner cylinder include substantial radial prestress induced by the bonding agent. The rim portion of a flywheel, for example, is formed from an outer ring (the annulus) and an inner ring (the cylinder, which is hollow in this case). Large, thick flywheels preferably have multiple cylindrical sections joined by such layers of bonding agent, and a plurality of the cylindrical sections each including an outer layer of relatively stiff fiber-composite material, and an inner layer of relatively compliant fiber-composite material within an integral matrix material.

대표청구항 ▼

An article of manufacture comprising an outer annulus and an inner cylinder disposed in said outer annulus and an annular layer of solid bonding agent under pressure within an annular region between said outer annulus and said inner cylinder, wherein said outer annulus and said inner cylinder includ

이 특허를 인용한 특허 (42) 인용/피인용 타임라인 분석

Spears, Ward; Polimeno, Matthew; Ansbigian, David C.; Hockney, Richard, Advanced flywheel hub and method.
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Giannozzi, Massimo; Giovannetti, Iacopo; Massini, Andrea; Aksel, Bulent; Lanaud, Christophe; O'Flynn, Julian; Finn, Scott, Centrifugal impeller and turbomachine.
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Morgan, Frederick E.; Barone, Christopher V.; Strohecker, Jeffrey, Composite flywheel.
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Spears, Ward R., Composite flywheel rim with co-mingled fiber layers and methods for manufacturing same.
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Spears, Ward R.; Shirey, Cynthia L., Composite flywheel rim with co-mingled fiber layers and methods for manufacturing same.
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Tsai, Stephen W., Composite rotors for flywheels and methods of fabrication thereof.
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Halladay, James R.; Pike, James A.; Galloway, William J.; Pherson, Thomas R., Composite shims having a laminate structure.
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Groves, Scott Eric; Ault, Stanley K., Devices and methods for increasing energy and/or power density in composite flywheel energy storage systems.
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Guedes-Pinto, Paulo; Saban, Daniel M.; Stout, John; Krishnan, Venkateshwaran; Strouse, Dennis; Ivaschenko, Alex, Electric machine.
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Tremelling, Darren D., Electrical machines and electrical machine rotors.
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Wiklof, Christopher A., Energy storage device.
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Atkins, Andrew Farquhar; Shepherd, Simon; Davis, Jonathan, Energy storage system having a flywheel for a vehicle transmission.
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Atkins, Andrew Farquhar; Dalby, Joshua Jonathan, Flywheel.
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Wilkinson, Curt; Celotto, Joseph Francis, Flywheel and method and apparatus for manufacturing flywheels.
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Gregoire Daniel J. (Thousand Oaks CA), Flywheel having reduced radial stress.
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Gabrys,Christopher W.; Simmons,Dennis G., Flywheel hub-to-rim coupling.
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Chiao, Edward Young; Bender, Donald Arthur; Means, Andrew E.; Snyder, Philip K., Flywheel system using wire-wound rotor.
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Chudleigh ; Jr. Walter Harold, Flywheel with electrically controlled input and output.
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Ahlstrom Harlow G. ; Chapman Michael ; Graves Michael J. ; Luhman Thomas S. ; Martin Thomas D. ; Nedervelt Paul D., Flywheels for energy storage.
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Gabrys, Christopher W., High performance composite flywheel.
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Gregoire Daniel J. ; Harvey Robin J., High speed flywheel.
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Detore,William L.; Kyono,Tetsuyuki, Hybrid composite flywheel rim and its manufacturing method.
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Handschuh, Robert F; Roberts, Gary D, Hybrid gear.
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Giovannetti, Iacopo; Giannozzi, Massimo; Bianchi, Dino; Tognarelli, Leonardo; Bigi, Manuele; Massini, Andrea, Impeller for a turbomachine and method for attaching a shroud to an impeller.
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Morris Robert C. ; Narasimhan Dave ; Moody John ; Coronato Patrick, Isotropic energy storage flywheel rotor.
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Gabrys,Christopher W.; Campbell,David R., Long-life vacuum system for energy storage flywheels.
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Atkins, Andrew Farquhar; To, Hing Wung; Dalby, Joshua Jonathan; Shepherd, Simon; Davis, Jonathan; Child, Matthew George, Magnetic coupler having magnets with different magnetic strengths.
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Ahlstrom Harlow G. ; Barton John R. ; Luhman Thomas S. ; Strasik Michael ; Chapman Michael ; Garrigus Darryl F., Magnetic systems for energy storage flywheels.
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Atkins, Andrew, Method and apparatus for balancing a flywheel.
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Giannozzi, Massimo; Giovannetti, Iacopo; Massini, Andrea; Aksel, Bulent; Lanaud, Christophe; O'Flynn, Julian; Finn, Scott, Mold for a centrifugal impeller, mold inserts and method for building a centrifugal impeller.
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Barlow, James; Barlow, Joel, Molded composite mandrel for a downhole zonal isolation tool.
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Tremelling, Darren Dale, Permanent magnet electrical machine rotors with stacked annular magnets and retainers and construction methods therefor.
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Lee, Dai Gil; Chang, Seung Hwan, Polymer composite squirrel cage rotor with high magnetic permeability filler for induction motor and method of making it.
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Baehmann, Peggy Lynn; Finn, Scott Roger; Massini, Andrea; Giovannetti, Iacopo, Rotary machine including a machine rotor with a composite impeller portion and a metal shaft portion.
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Petrov, Peter; Saban, Daniel M., Rotor for electric machine having a sleeve with segmented layers.
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Saban, Daniel M.; Guedes-Pinto, Paulo, Rotor for electric machine having a sleeve with segmented layers.
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Maass David ; Hoon Douglas M., Spiral woven composite flywheel rim.
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Maass David ; Hoon Douglas M., Spiral woven composite flywheel rim.
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Saban, Daniel M.; Guedes-Pinto, Paulo, Thermally matched composite sleeve.
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Kabasawa, Takashi; Kawai, Yuichi; Hori, Masaki; Iiyoshi, Takahiro, Vacuum pump with fiber-reinforced resin cylinder.
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Hennessy, David R.; Brand, Bastian, Viscous clutch with eddy current reduction.
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Saban, Daniel M.; Guedes-Pinto, Paulo, Wrapped rotor sleeve for an electric machine.
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A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Reinforced composite flywheels and shafts 원문보기