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    • 2. 发明专利
    • Photocatalyst reactor usable at high temperature
    • 光催化反应器可在高温下使用
    • JP2007075758A
    • 2007-03-29
    • JP2005268399
    • 2005-09-15
    • Toshiba Corp株式会社東芝
    • IMAMURA TAKESHIYASUI SUKEYUKIHAYASHI KAZUONODA ETSUOSEGAWA NOBORUSHIMURA NAOHIKOMAKISHIMA KENJI
    • B01J35/02B01D53/86B01J19/08B01J19/12C02F1/30C02F1/32C02F1/72
    • PROBLEM TO BE SOLVED: To provide a photocatalyst reactor usable at a high temperature which can sufficiently decompose a substance to be decomposed contained in a fluid, even if the temperature of the fluid is 100°C or above, by the action of a photocatalyst to clean and deodorize the substance, wherein the photocatalyst is activated by making discharge light irradiate the photocatalyst. SOLUTION: The photocatalyst reactor usable at a high temperature is arranged in a passage 12 of a fluid X of 100°C or above and consists of a photocatalyst module 17, the ceramic substrate of which carries photocatalyst, positive and negative metal electrodes 18a, 18b and a power source part 15. A voltage is applied across the metal electrodes 18a and 18b of positive and negative electrode by the power source part 15 to make the discharge light generate and this discharge light is made to irradiate to the photocatalyst module 17 to activate the photocatalyst. The substance to be decomposed contained in the fluid X in or near the photocatalyst module 17 is decomposed by the action of the above photocatalyst. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提供可在高温下使用的光催化剂反应器,即使流体的温度为100℃以上,即使流体的温度为100℃以上,也能够充分分解含有的流体中的分解物质 用于清洁和除臭物质的光催化剂,其中通过使放电光照射光催化剂来活化光催化剂。 解决方案:可在高温下使用的光催化反应器布置在100℃或更高的流体X的通道12中,由光催化剂组件17组成,其中陶瓷基板载有光催化剂,正极和负极金属电极 18a,18b和电源部15.通过电源部15在正极和负极的金属电极18a,18b两端施加电压,使放电光产生,使该放电光照射到光催化剂模块 17激活光催化剂。 通过上述光催化剂的作用,包含在光催化剂组件17中或其附近的流体X中的待分解物质被分解。 版权所有(C)2007,JPO&INPIT
    • 5. 发明专利
    • NEUTRON ABSORBER
    • JPH04268492A
    • 1992-09-24
    • JP2873291
    • 1991-02-22
    • TOSHIBA CORP
    • MAKISHIMA KENJIKASAI SHIGEO
    • G21C5/00G21C7/10G21C7/24G21C11/06
    • PURPOSE:To make high the packing density of granular materials of neutron absorbers packed in a neutron shielding body, to realize grain size compounding being stable in relation to vibration after packing and thereby to improve a shielding function. CONSTITUTION:Granular materials of B and C are mixed in such a manner that coarse grains wherein grain sizes from 710 to 1700mum constitute 70% or above in a composition ratio of wt.% thereof have a rate of 35 to 55% in the same ratio, medium grains wherein grain sizes from 125 to 250mum constitute 70% or above have a rate of 25 to 45% and fine grains wherein grain sizes of 45mum or below constitute 90% or above have a rate of 15 to 25%, and they are packed in a neutron shielding body. The granular materials of B and C of various sorts are made so dense that a high packing density can be attained, and excellent stability is obtained in relation to vibration after packing. Therefore, it is possible to improve a neutron shielding function and also to make an apparatus light in weight.
    • 7. 发明专利
    • SMALL-SIZE CHARGED PARTICLE ACCELERATING DEVICE
    • JPH08288100A
    • 1996-11-01
    • JP8409695
    • 1995-04-10
    • TOSHIBA F A SYSTEM ENGTOSHIBA CORP
    • MAKISHIMA KENJIORIGASA TOMOFUMINAKAGORI TADASHIGE
    • H05H13/04
    • PURPOSE: To miniaturize a device by housing all around a vacuum duct and a superconductive equipment in a common heat insulating container, and using supercritical liquid helium as a low temperature refrigerant. CONSTITUTION: All around a vacuum duct 1 forming a passage of a charged particle beam and a superconductive equipment, which includes a superconductive high frequency accelerating device 2 for accelerating the charged particle beam, a superconducting deflecting electromagnet 3 for deflecting the charge particle beam and a superconducting converging electromagnet 4 for converging the charged particle beam, are housed in the same heat insulating container 5 so as to form a charged particle accelerating device. A superconducting magnetic shield, which is made of NbTi as the superconductive material and which surrounds a coil of the superconducting deflecting electromagnet 3, forms a boundary between an insulating vacuum layer, and also works as a flow passage pipeline of the low temperature refrigerant made of liquid helium. The low temperature refrigerant is made of the supercritical liquid helium, which is pressurized to 2.3 atmospheric pressure or more, and since the gas phase is not generated at the time of cooling the superconducting equipment to the critical temperature of about 4K, pressure loss inside the cooling circuit can be reduced.
    • 10. 发明专利
    • FAST BREEDER REACTOR
    • JPH0375594A
    • 1991-03-29
    • JP21140989
    • 1989-08-18
    • TOSHIBA CORP
    • MAKISHIMA KENJI
    • G21C5/10G21C17/00
    • PURPOSE:To make a reparing device accessible to the entire area of a cold plenum by laying travelling rails for the reparing device, which have its end pat at the barrier wall penetration part of a coolant circulation pump or an intermediate heat exchanger, along the outer circumference of a reactor core support structure. CONSTITUTION:Travelling rails 16 for a reparing device have its one end in the vicinity of a joint between a stand pipe 17 surrounding a coolant circulation pump 9 and a barrier wall 13, and are fixed to the barrier wall 13 through studs 18, along the outer circumference of a reactor support structure 4. When repair work is required in a cold plenum 11 surrounded by a nuclear reactor vessel 1, the barrier wall 13 and the structure 4, the reactor core 3 is removed, for the first place, to drain the whole amount of liquid sodium 2, and then the pump 9 is withdrawn. After that, the reparing device loaded with a manipulator, is suspended through a through-hole in the slab 7, and placed on the rails 16. By running the repairing device on the rails 16 laid on the outer circumference of the structure 4, the manipulator of the repairing device can access to a repairing place through remote control.