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    • 3. 发明专利
    • SUPERCONDUCTING SUBSTANCE/REFRIGERANT CONTACT DEVICE
    • JPS63291481A
    • 1988-11-29
    • JP12587287
    • 1987-05-25
    • HITACHI LTD
    • HIGASHIYAMA KAZUHISAKUMAGAI TERUOOKADA HIDEOKAMO YUICHIYAMASHITA HISAOAIHARA KATSUZOMATSUDA SHINPEIHISHINUMA TAKAO
    • H01L39/04F25D3/10H01F6/04
    • PURPOSE:To efficiently bring a superconductor into contact with a refrigerant and to sufficiently perform the characteristics of the superconductor substance by pulverizing granular oxide superconducting material in a powder state to bring it into contact with the refrigerant in a slurry state or to mold the material as a molding, and using the molding as a stationary floor to bring it into contact with the refrigerant. CONSTITUTION:When a superconducting substance and a refrigerant are used as a slurry, slurry solution made of the powderlike superconducting substance 4 and the refrigerant 5 is fed by a circulation pump 6 under a magnet 1 to maintain a superconducting state, and lines 2 of magnetic force are shielded by a Meissner effect. Then, the substance is temporarily collected by a filter 3, and only the refrigerant is fed under the magnet. Thus, the Meissner effect is eliminated, and the lines of magnetic force pass directly under the magnet. Thus, the refrigerant is used in a sealing system, and the substance is formed in a slurry state with the refrigerant to freely control the operation of a magnetic field upon movement of the substance. Since it is of the sealing system, the loss amount of the refrigerant is less. Further, the substance 4 of the molding is used as the stationary floor and the refrigerant 5 is passed to the floor, thereby exhibiting superconducting characteristic.
    • 7. 发明专利
    • FURNACE SYSTEM
    • JPS60159515A
    • 1985-08-21
    • JP1184584
    • 1984-01-27
    • HITACHI LTDBABCOCK HITACHI KK
    • SOUMA KENICHIARASHI NORIOAZUHATA SHIGERUNARATO KIYOSHIINADA TOORUKOBAYASHI YOSHINOBUOOTSUKA KEIZOUHISHINUMA TAKAO
    • F23N5/00F23N5/08G01J1/42
    • PURPOSE:To carry out correct measurement of the combustion state and combustion control of high accuracy and quick response based on this measurement by utilizing light emitted from the flame, separating the light into an arbitrary specific wavelength zone, and discriminating the combustion state of the combustion flame with non-contact from the luminescent strength and luminescent pattern of the light to control the combustion flame. CONSTITUTION:Light emitted from a flame 650 is collected in a light pick-up device 660, and is introduced to a spectroscope 680 by means of an optical fiber 670. The spectroscope 680 is provided with a converter which converts light signals relative to the luminescent strength and the luminescent pattern into electrical signals. These signals are amplified by an amplifier 690, and introduced into a controller 700. The output signal from the amplifier 670 is compared in a discriminator 710 with an output signal from a memory device 720 which stores the luminescent strength and the luminescent pattern in an arbitrary specific wavelength region at the optimum combustion state time as electrical signals. The output signal from the result of comparison is introduced to a controller 730 outputting a control signal for controlling the combustion state of the flame.