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    • 6. 发明专利
    • Elevator hoisting machine sheave
    • 电梯装置机
    • JP2011042424A
    • 2011-03-03
    • JP2009189993
    • 2009-08-19
    • Mitsubishi Electric Corp三菱電機株式会社
    • NAKAGAWA HIROYUKIKIKAWA HIROSHIMURAI MICHIOMITSUI ATSUSHI
    • B66B11/08
    • PROBLEM TO BE SOLVED: To provide an elevator hoisting machine sheave capable of restraining an inner surface of a groove from corroding, and capable of improving frictional force between a suspension means and itself.
      SOLUTION: The elevator hoisting machine sheave has a sheave body 9 wound with a rope 8, by forming the groove 9b for inserting the rope 8 for suspending a car 1 and a counterweight 2. The sheave body 9 has a surface reforming layer 14 of performing surface reforming processing for enhancing corrosion resistance by forming the inner surface of the groove 9b. A contact surface for contacting with the rope 8 in the surface reforming layer 14 is formed as a roughened surface for restraining sliding to the rope 8 by the frictional force.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种能够抑制槽内表面腐蚀的电梯曳引机滑轮,能够提高悬架装置与其自身之间的摩擦力。 解决方案:电梯曳引机滑轮具有缠绕有绳索8的滑轮体9,通过形成用于插入用于悬挂轿厢1和配重2的绳索8的槽9b。滑轮体9具有表面重整层 14通过形成槽9b的内表面进行表面改性处理,以提高耐腐蚀性。 用于与表面改性层14中的绳索8接触的接触表面形成为用于通过摩擦力限制滑动到绳索8的粗糙表面。 版权所有(C)2011,JPO&INPIT
    • 10. 发明专利
    • HIGH-FREQUENCY OSCILLATOR, RADIO EQUIPMENT USING THE SAME AND MANUFACTURE OF THE SAME
    • JP2000269737A
    • 2000-09-29
    • JP6859599
    • 1999-03-15
    • MITSUBISHI ELECTRIC CORP
    • MURAI MICHIOHIMURA NAOTO
    • H03B5/04
    • PROBLEM TO BE SOLVED: To improve oscillation frequency stability, small loss, environmental resistance, safety, explosion protection and the like of an oscillator over a wide temperature range by filling the inside of a metallic case surrounding a peripheral part of a resonator or the resonator itself with a porous polymer, whose heat-resistant temperature is higher than a specified value. SOLUTION: The inside of a metallic case surrounding the peripheral part of a resonator or the resonator itself is filled with a porous polymer, whose heat-resistant temperature is equal to or higher than 150 degrees. The porous polymer is prepared by foaming various kinds of resin, such as a silicone resin so that the foamed body has independently pores. Among them, the silicone resin is preferable in terms of heat-resistance and workability. For making the resin porous, methods such as foaming agent decomposition method, solvent vaporization method, chemical reaction method or the like and a method combining these methods can be applied. Among them, the chemical reaction method utilizing a gas generated, when the resin reaction-hardens and a method of mixing heat-expanding polymer hollow particles in the resin are preferable in terms of treatment simplicity and workability.