专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JPH11118090A THERMAL INSULATION DEVICE 失效
公开(公告)号：JPH11118090A
公开(公告)日：1999-04-30
申请号：JP28158697
申请日：1997-10-15
申请人： HITACHI LTD , HITACHI NUCLEAR ENG , HITACHI ENG CO LTD
发明人： MIYASHITA FUMITOSHI , ASANO RINICHI , SAITO YUJI
IPC分类号： B25J18/00 , F16L59/00 , F16L59/22 , H01B7/42 , H02G3/04
摘要： PROBLEM TO BE SOLVED: To make any correspondence easy to a bending by connecting a plurality of heat insulating materials, protecting an object from the temperature environment of very low temperature and high temperature in a vacuum in a vacuum such as in space or the like, by means of splicing fittings securing the degree of freedom against the bending, and providing a grounding conductor grounding the insulating materials and a conductive net. SOLUTION: A thermal insulation device to be set up in such an object as wire harness repeatedly bending and extending in space and free bending movements adjusts the quantities of a heat insulating material 1 by connecting both male and female splicing fittings 2 and 3 in adjusting the length of the object to be set up, while it sets up a conductive net in the object setting up the heat insulating material 1. Then this heat insulating material 1 is engaged with the object by both loop part and hook part hook-and loop tapes 4 and 5 and it is set up in a conical form, and then a grounding conductor 6 of the heat insulating material 1 is made to come into contact with a conductive net. When the object operates into bending motion, the heat insulating material 1 is made bendable in accordance with the object with both these male and female splicing fittings 2 and 3 as the axis.

2. 发明专利

JP2002006072A FUEL ASSEMBLY AND FUEL CHANNEL BOX 失效
公开(公告)号：JP2002006072A
公开(公告)日：2002-01-09
申请号：JP2000187239
申请日：2000-06-22
申请人： HITACHI LTD , HITACHI ENG CO LTD
发明人： ASANO RINICHI , SETO TAKEHIRO
IPC分类号： G21C3/324
摘要： PROBLEM TO BE SOLVED: To provide a fuel channel box and a fuel assembly that reduces the effective, maximum amount of expansion while the fuel channel box corresponding to the high degree of combustion of fuel is being used and can be coped with by conventional manufacturing technics by limiting both the initial thickness and the usage maximum degree of combustion of a fuel channel box. SOLUTION: When uniform thickness is set to (t) and the distance of the facing inner surfaces of the fuel channel box is set to L on the cross section of a central part excluding upper and lower end parts in the fuel channel box in this fuel assembly for boiling light-water reactors where the degree of the maximum usage combustion is within a range from 55 GWd/t to 100 GWd/t, the fuel channel box for satisfying the conditions of 0.0235

3. 发明专利

JPH08146176A FUEL CHANNEL BOX AND ITS MANUFACTURE 失效
公开(公告)号：JPH08146176A
公开(公告)日：1996-06-07
申请号：JP28955894
申请日：1994-11-24
申请人： HITACHI LTD , HITACHI ENG CO LTD
发明人： SETO TAKEHIRO , UMEHARA HAJIME , ISHIZAKI HIDEAKI , MACHIDA KOICHI , SAKUMA TORAYOSHI , NAKAJIMA JUNJIRO , AIZAWA YASUHIRO , ASANO RINICHI
IPC分类号： G21C3/324 , B23K9/00 , B23K9/025 , G21C3/30
摘要： PURPOSE: To hold down the amount of creep deformation caused during operation in a fuel channel box used in a boiling water reactor. CONSTITUTION: A flat plate is formed into a cylinder, and a seam part 2 is connected by welding. Welding bead surfaces 1a, 1c are moved to the other surfaces 1b, 1d in the midway of the whole length of a fuel channel box 1. Thus, the creep deformation of the fuel channel box 1 is flattened by the respective surfaces of the fuel channel box 1 to hold down the maxium creep deformation amount.

4. 发明专利

JPS6137924A Uniform cooling method of tubular body 失效
标题翻译：管状体的均匀冷却方法
公开(公告)号：JPS6137924A
公开(公告)日：1986-02-22
申请号：JP15994084
申请日：1984-07-30
申请人： Hitachi Eng Co Ltd , Hitachi Ltd
发明人： NAKAJIMA JUNJIRO , MATSUMOTO TOSHIHIRO , KAWADA YOSHINARI , UMEHARA HAJIME , SAITO SOZO , ASANO RINICHI
IPC分类号： C21D9/08
摘要： PURPOSE: To cool uniformly inner surface of tubular body, by varying continuously flow rate of cooling medium in tube longitudinal direction to make heat transfer coefft. at each position in the tube constant, in flowing cooling medium to a cave part of tubular body in longitudinal direction.
CONSTITUTION: A core 2 in one body with cooling water outlet side support is inserted inside a blank tube 1, a cooling water inlet side support 3 is set being sealed by an insulator 4, and electrodes 5 are set. The outer diameter of the core 2 is varied in axis direction to vary the flow rate of cooling water, so that heat transfer coefft. between inner surface of the tube 1 and cooling water becomes constant in said tube longitudinal direction. Cooling water is allowed to flow through the cave part 6 in this state and if water quantity is stabilized, the tube 1 is heated by conducting electricity directly from the electrode 5. After a prescribed time, electricity conduction is stopped, the tube 1 is cooled by cooling water. In this way, uniform heat treatment in tube longitudinal direction can be carried out in a short time.
COPYRIGHT: (C)1986,JPO&Japio
摘要翻译：目的：为了冷却管体的内表面，通过在管纵向连续变化冷却介质的流量，使热传递系统。在管中的每个位置恒定，在流动的冷却介质中在纵向方向上到管状体的洞穴部分。构成：将一个具有冷却水出口侧支撑体的芯体2插入空管1内，将冷却水入口侧支撑件3设置为由绝缘体4密封，并且设置电极5。芯2的外径在轴线方向上变化，以改变冷却水的流量，从而使传热系统。在管1的内表面和冷却水的内表面在所述管纵向上变得恒定。在这种状态下，允许冷却水流过洞穴部分6，并且如果水量稳定，则通过直接从电极5传导电力来加热管1。在规定时间之后，停止导电，将管1冷却通过冷却水。以这种方式，可以在短时间内在管纵向方向上进行均匀的热处理。

5. 发明专利

JPH0829569A FUEL ASSEMBLY, FUEL CHANNEL BOX AND PRODUCTION THEREOF 失效
公开(公告)号：JPH0829569A
公开(公告)日：1996-02-02
申请号：JP16770294
申请日：1994-07-20
申请人： HITACHI LTD , HITACHI ENG CO LTD
发明人： NAKAJIMA JUNJIRO , AIZAWA YASUHIRO , ASANO RINICHI , KUROSAKI HIDEKI , SETO TAKEHIRO
IPC分类号： G21C3/324 , G21C3/30
摘要： PURPOSE:To ensure the thermal margin of a fuel rod by varying the heat treatment of a channel box made of a Zr based alloy in the longitudinal direction, and varying the crystal orientation of alpha-phase Zr in the longitudinal direction, thereby suppressing the bending deformation caused by irradiation growth and reducing the bypass flow rate between the channel box and a lower tie plate. CONSTITUTION:Two sets of U-shaped components are combined and the butting part is welded to produce a rectangular pipe and the end D thereof is set on the lower tie plate side. Heat treatment is started from the end D by high frequency heating and water, passed through a high frequency induction heating coil 22 and heated up to the beta-phase temperature range, is sprayed through a nozzle 23. Output of a high frequency transmitter 24 is controlled such that the region within about 15cm from the end D is heated up to the (alpha+beta) phase temperature range while the remaining region of 385 cm is heated up to the beta-phase temperature range. Consequently, the bending deformation is reduced significantly in the vicinity of the end D and the gap is eliminated between the channel box and the lower tie plate thus preventing leakage of cooling water.

6. 发明专利

JPS636495A FUEL SPACER AND FUEL AGGREGATE 失效
公开(公告)号：JPS636495A
公开(公告)日：1988-01-12
申请号：JP14954786
申请日：1986-06-27
申请人： HITACHI LTD , HITACHI ENG CO LTD
发明人： NAKAJIMA JUNJIRO , TADA NOBUO , KAWADA YOSHINARI , YASUJIMA MASAKICHI , YANAGI YOSHIHIKO , INAGAKI MASATOSHI , ASANO RINICHI , MATSUURA TETSUAKI , SAITO SOZO , HIRAKAWA HIROMASA
IPC分类号： G21C3/34

7. 发明专利

JPS625197A CORE STRUCTURE OF BOILING WATER TYPE REACTOR 失效
公开(公告)号：JPS625197A
公开(公告)日：1987-01-12
申请号：JP14246585
申请日：1985-07-01
申请人： HITACHI LTD , HITACHI ENG CO LTD
发明人： MARU AKIRA , UMEHARA HAJIME , ASANO RINICHI , SAITO SOZO
IPC分类号： G21C5/00 , G21C1/08 , G21C5/14

8. 发明专利

JP2003305337A Pfc gas processor 有权
标题翻译： PFC气体处理器
公开(公告)号：JP2003305337A
公开(公告)日：2003-10-28
申请号：JP2002109866
申请日：2002-04-12
申请人： Hitachi Eng Co Ltd , Hitachi Ltd , 日立エンジニアリング株式会社 , 株式会社日立製作所
发明人： ASANO RINICHI , ICHISAWA KATSUHISA , TAMADA SHIN
IPC分类号： B01D53/86
CPC分类号： Y02C20/30
摘要： PROBLEM TO BE SOLVED: To downsize a preheater. SOLUTION: PFC (perfluorocompound) gas discharged from an etching furnace 13 is heated by a preheater after passing through a spray tower 16, and then introduced into a PFC decomposition tower 2. The PFC gas is decomposed by a catalyst in the PFC decomposition tower 2. While the PFC gas is flowing between the outer cylinder 4 and the inner cylinder 5 of the preheater 1, it is heated by thermal radiation from the outer cylinder 4 and the inner cylinder 5 to reach a high temperature. The effective heat transfer area is increased by installing the inner cylinder 5, thereby the preheater 1 can be downsized. As the effective heat transfer area of the preheater 1 is up to about 1.5 times in comparison with a case where the inner cylinder 5 is not installed, a PFC gas processor can be downsized. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：减小预热器的尺寸。解决方案：从蚀刻炉13排出的PFC（全氟化合物）气体在通过喷雾塔16后被预热器加热，然后被引入PFC分解塔2. PFC气体被PFC中的催化剂分解分解塔2.当PFC气体在外筒4和预热器1的内筒5之间流动时，通过来自外筒4和内筒5的热辐射而被加热达到高温。通过安装内筒5来提高有效的传热面积，能够使预热器1小型化。与未安装内筒5的情况相比，由于预热器1的有效传热面积高达约1.5倍，因此可以使PFC气体处理器小型化。版权所有（C）2004，JPO

9. 发明专利

JPH0570797B2 失效
公开(公告)号：JPH0570797B2
公开(公告)日：1993-10-05
申请号：JP14246585
申请日：1985-07-01
申请人： HITACHI LTD , HITACHI ENG CO LTD
发明人： MARU AKIRA , UMEHARA HAJIME , ASANO RINICHI , SAITO SOZO
IPC分类号： G21C5/00 , G21C1/08 , G21C5/14

10. 发明专利

JPS62249096A FUEL AGGREGATE 失效
公开(公告)号：JPS62249096A
公开(公告)日：1987-10-30
申请号：JP9129686
申请日：1986-04-22
申请人： HITACHI LTD , HITACHI ENG CO LTD
发明人： YOSHIDA SUMI , MATSUMOTO TOSHIHIRO , ASANO RINICHI , KUNIYA JIRO , MASAOKA ISAO
IPC分类号： G21C3/328 , G21C3/30

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式