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    • 74. 发明专利
    • COMPOSITE MATERIAL ROTOR
    • JPH11294538A
    • 1999-10-29
    • JP10127898
    • 1998-04-13
    • MITSUBISHI HEAVY IND LTD
    • MIZUNO HIROSHIMATSUMOTO TAKAHIROSAITO KOICHI
    • F16F15/305
    • PROBLEM TO BE SOLVED: To suppress the occurrence of a crack on a ring due to a high-speed rotation by forming adhesive layers mitigating the stress in the radial direction as middle layers of the ring in a composite material rotor having the ring wound with fibers dipped in a resin in many layers and a hub fitted to the inner periphery of the ring. SOLUTION: A composite material rotor 1 usefully mounted on an automobile as a constituting member for a flywheel battery is constituted of a ring 2 and a hub 3. Fibers dipped in a resin are wound in many layers to form the ring 2, and adhesive layers 4 mitigating the stress in the radial direction are formed at two positions shown by broken lines and at one position shown by a solid line as middle layers. Fibers with different characteristics are wound on the inside and outside across the solid line 5 portion in the ring 2. The hub 3 is constituted of a rotary shaft 6 and a tube body 7, and the tube body 7 has a connecting member 8 at one end. A lug section 9 biting into the inner periphery of the ring 2 is formed on the outer periphery of the tube body 7, and a mass adding member 10 made of a high-specific gravity material is provided on the inner periphery of the tube body 7.
    • 80. 发明专利
    • FLY WHEEL AND MANUFACTURE THEREOF
    • JPH01112047A
    • 1989-04-28
    • JP26895187
    • 1987-10-23
    • SHIMADZU CORP
    • KOBAYASHI JUNYA
    • F16F15/30C08J5/08F16F15/305
    • PURPOSE:To produce an effect equivalent to that of a false equal energy variable pressure disc even by an equal thickness disc, by a method wherein a fly wheel is formed by fiber-reinforced plastic in which reinforcing fibers are aligned in the circumferential direction of a disc, and oxynitride glass fiber having a modulus of elasticity changed in the direction of length is wound as the reinforcing fiber. CONSTITUTION:In FRP in which reinforcing fibers are aligned in the circumferential direction of a disc, by using oxynitride glass fibers having a modulus of elasticity continuously decreased or increased in the direction of the length of a fiber, dynamic characteristics are changed in the radial direction of the disc. When the oxynitride glass fibers are applied for a fly wheel, by arranging reinforcing fibers, e.g. oxynitride glass, having a high nitrogen content, i.e. a high modulus of elasticity, on the inner side in a radial direction of the disc, even an equal thickness disc has the same effect as that of a false equal stress variable pressure disc, and besides the weight of the disc can be decreased. By arranging reinforcing fibers, having a high nitrogen content and a high modulus of elasticity, toward the outside in a radial direction, a substance in which a circumferential stress and a radial stress are distributed in a proper state is provided.