JPH06105443A - Fluid carrier - Google Patents
Fluid carrierInfo
- Publication number
- JPH06105443A JPH06105443A JP24832192A JP24832192A JPH06105443A JP H06105443 A JPH06105443 A JP H06105443A JP 24832192 A JP24832192 A JP 24832192A JP 24832192 A JP24832192 A JP 24832192A JP H06105443 A JPH06105443 A JP H06105443A
- Authority
- JP
- Japan
- Prior art keywords
- phase
- magnetic field
- cable
- rotating body
- cooling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D2015/0291—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes comprising internal rotor means, e.g. turbine driven by the working fluid
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
- Gas Or Oil Filled Cable Accessories (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は流体搬送装置に係り、詳
しくは多相交流ケーブルを冷却する冷却流体を搬送する
流体搬送装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fluid carrying device, and more particularly to a fluid carrying device for carrying a cooling fluid for cooling a multi-phase AC cable.
【０００２】近年、電力ケーブルに発生する熱も大電力
移送に伴いさらに上昇の一途をたどっている。そして、
電力ケーブルの冷却は電力損失を抑制する上で不可欠に
なっており、効率のよい冷却が望まれている。[0002] In recent years, the heat generated in power cables has been increasing more and more with the transfer of large amounts of power. And
Cooling of the power cable is indispensable for suppressing power loss, and efficient cooling is desired.
【０００３】[0003]
【従来の技術】三相交流ケーブルにおいてジュール熱等
による熱は電力移送効率に大きなマイナス要因になるた
め、三相交流ケーブルを冷却する方法がとられている。
図１５に三相交流ケーブルを冷却する冷却装置を示す。
図１５において、三相交流ケーブ３１〜３３はそれぞれ
搬送管３４に沿ってかつ接するように配設されている。
また、三相交流ケーブ３１〜３３は搬送管３４の外周に
等間隔に配置させている。2. Description of the Related Art In a three-phase AC cable, heat due to Joule heat or the like has a large negative effect on power transfer efficiency. Therefore, a method of cooling the three-phase AC cable has been adopted.
FIG. 15 shows a cooling device for cooling the three-phase AC cable.
In FIG. 15, the three-phase AC cables 31 to 33 are arranged along and along the carrier pipe 34, respectively.
Further, the three-phase AC cables 31 to 33 are arranged on the outer circumference of the carrier pipe 34 at equal intervals.
【０００４】そして、搬送管３４に冷却水等の冷却流体
を流すことによって、三相交流ケーブル３１〜３３に発
生する熱を冷やすようにしている。この搬送管３４を流
れる冷却流体は離れた位置に設けた循環ポンプによって
管路を循環させるようにしている。A cooling fluid such as cooling water is caused to flow through the carrier pipe 34 to cool the heat generated in the three-phase AC cables 31 to 33. The cooling fluid flowing through the carrier pipe 34 is circulated in the pipe line by a circulation pump provided at a remote position.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、冷却流
体を循環させるために循環ポンプが必要になることか
ら、その循環ポンプを設置するための設置場所を確保す
る必要があった。しかも、搬送ポンプを駆動させるため
の駆動電源を確保する必要もあった。However, since a circulation pump is required to circulate the cooling fluid, it is necessary to secure an installation place for installing the circulation pump. Moreover, it was necessary to secure a driving power source for driving the transport pump.
【０００６】本発明は上記問題点を解決するためになさ
れたものであって、循環ポンプを使用することなく冷却
流体を循環させることができ、効率のよい省エネタイプ
の流体搬送装置を提供することを目的とする。The present invention has been made to solve the above-mentioned problems, and provides a highly efficient energy-saving fluid transfer device that can circulate a cooling fluid without using a circulation pump. With the goal.
【０００７】[0007]
【課題を解決するための手段】図１は本発明の原理説明
図である。多相交流ケーブル１，２，３は搬送管４の外
側に等間隔に配設され、その搬送管４内に冷却流体を流
すようになっている。FIG. 1 is a diagram for explaining the principle of the present invention. The multi-phase AC cables 1, 2 and 3 are arranged outside the carrier pipe 4 at equal intervals, and a cooling fluid is allowed to flow in the carrier pipe 4.
【０００８】搬送管４はその管内に回転可能に軸支され
た回転体５が配設されている。回転体５の各先端部には
互いに異なる磁極Ｎ，Ｓを有し、各交流ケーブル１〜３
に流れる交流電流に基づいて発生する回転磁界によっ
て、同回転体５は回転する。The carrier tube 4 has a rotary body 5 rotatably supported in the tube. The rotating body 5 has magnetic poles N and S which are different from each other at each tip thereof, and the AC cables 1 to 3
The rotating body 5 is rotated by a rotating magnetic field generated based on an alternating current flowing through the rotating body 5.
【０００９】[0009]
【作用】従って、本発明によれば、各交流ケーブル１〜
３に流れる多相交流電流に基づいて発生する回転磁界に
よって、磁極Ｎ，Ｓを有する回転体５は回転する。この
回転体５の回転により、搬送管４内の冷却流体は一方向
に搬送される。Therefore, according to the present invention, each AC cable 1 to
The rotating body 5 having the magnetic poles N and S is rotated by the rotating magnetic field generated based on the multi-phase alternating current flowing in 3. By the rotation of the rotating body 5, the cooling fluid in the transfer pipe 4 is transferred in one direction.
【００１０】その結果、特別な循環用ポンプを用いるこ
となく、冷却流体を循環させることができ、効率のよい
冷却を行うことが可能となる。As a result, the cooling fluid can be circulated without using a special circulation pump, and efficient cooling can be performed.
【００１１】[0011]
【実施例】以下、本発明を三相交流電力ケーブルを冷却
するための流体搬送装置に具体化した一実施例を図面に
従って説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is embodied in a fluid conveying device for cooling a three-phase AC power cable will be described below with reference to the drawings.
【００１２】図２，３において、三相交流ケーブル１
１，１２，１３は搬送管１４の外側に互いに等間隔（搬
送管４を中心に１２０°の間隔）にかつ搬送管１４に沿
って配設されている。三相交流ケーブル１１〜１３はそ
の導体部１１ａ〜１３ａの断面積が約１０００mm2 であ
って、互いに１２０°の位相がずれた約１０００Ａの電
流が流れるようになっている。そして、三相交流ケーブ
ル１１〜１３に流れる三相交流電流によって、搬送管１
４内に回転磁界がつくられる。2 and 3, the three-phase AC cable 1
1, 12 and 13 are arranged outside the carrier pipe 14 at equal intervals (120 ° intervals around the carrier pipe 4) and along the carrier pipe 14. In the three-phase AC cables 11 to 13, the conductors 11a to 13a have cross-sectional areas of about 1000 mm 2 , and currents of about 1000 A, which are 120 ° out of phase with each other, flow. Then, by the three-phase AC current flowing through the three-phase AC cables 11 to 13, the carrier pipe 1
A rotating magnetic field is created within 4.
【００１３】回転磁界について詳述する。尚、説明の便
宜上、交流ケーブル１１をＲ相、交流ケーブル１２をＳ
相、交流ケーブル１３をＴ相とする。図５は各相の電流
波形を示し、各相の電流波形はサイン波形であって、共
に最大振幅値はＩmax となっている。そして、Ｒ相に対
してＳ相は１２０°、Ｔ相は２４０°位相がずれてい
る。また、各相からの磁界は電流値に比例し、自身の相
を中心に形成される。そして、搬送管１４内においては
その各相の磁界が合成される。The rotating magnetic field will be described in detail. For convenience of explanation, the AC cable 11 is the R phase and the AC cable 12 is the S phase.
Phase, AC cable 13 is T phase. FIG. 5 shows the current waveform of each phase, and the current waveform of each phase is a sine waveform, and the maximum amplitude value is Imax. The S phase is 120 ° out of phase with the R phase and the T phase is out of phase with 240 °. Further, the magnetic field from each phase is proportional to the current value and is formed centering on its own phase. Then, in the carrier tube 14, the magnetic fields of the respective phases are combined.
【００１４】すなわち、図５に示すのとき、各相の磁
界の向きと大きさは図６（ａ）となり、全体の合成磁界
の向きは図６（ｂ）に示すようになる。続いて、図５に
示すのとき、各相の磁界の向きと大きさは図７（ａ）
となり、全体の合成磁界の向きは図７（ｂ）に示すよう
になる。次に、図５に示すのとき、各相の磁界の向き
と大きさは図８（ａ）となり、全体の合成磁界の向きは
図８（ｂ）に示すようになる。そして、図５の〜と
進んで行くと、図９〜図１３に示すように各相の磁界の
向きと大きさも順に変化し、全体の合成磁界の向きも図
において時計回り方向に回転し、回転磁界がつくられ
る。That is, in the case shown in FIG. 5, the direction and magnitude of the magnetic field of each phase are as shown in FIG. 6 (a), and the direction of the overall combined magnetic field is as shown in FIG. 6 (b). Subsequently, as shown in FIG. 5, the direction and magnitude of the magnetic field of each phase are shown in FIG.
Thus, the direction of the overall combined magnetic field is as shown in FIG. 7 (b). Next, as shown in FIG. 5, the direction and magnitude of the magnetic field of each phase are as shown in FIG. 8A, and the direction of the overall combined magnetic field is as shown in FIG. 8B. Then, when proceeding from to in FIG. 5, the directions and magnitudes of the magnetic fields of the respective phases are sequentially changed as shown in FIGS. 9 to 13, and the direction of the overall combined magnetic field is rotated clockwise in the figure, A rotating magnetic field is created.
【００１５】搬送管１４は半径１００ｍｍの非磁性体の
管であって、その管内に冷却流体としての７０°Ｃ以下
の純水を流すようになっている。搬送管１４内には支軸
１５が搬送管１４の軸心上に配設されている。支軸１５
は所定の間隔毎に搬送管１４内面との間に設けられた支
持アーム１６によって支持されている。The transfer pipe 14 is a non-magnetic pipe having a radius of 100 mm, and pure water of 70 ° C. or less as a cooling fluid is allowed to flow in the pipe. A support shaft 15 is arranged in the transfer tube 14 on the axis of the transfer tube 14. Support shaft 15
Are supported by a support arm 16 provided between the inner surface of the transfer tube 14 and the inner surface of the transfer tube 14 at predetermined intervals.
【００１６】支軸１５には本実施例では１０ｍ間隔に回
転体１７が回転可能に軸支されている。回転体１７は永
久磁石であって、二翼のスクリュウ形状の成形されてい
る。そして、回転体１７の一方の翼１７ａにはＮ極、他
方の翼１７ｂにはＳ極の磁極が発生する。そして、三相
交流ケーブル１１〜１３に流れる三相交流電流によっ
て、搬送管１４内に発生する回転磁界によって、永久磁
石よりなる回転体１７は回転することになる。In this embodiment, a rotating body 17 is rotatably supported on the support shaft 15 at intervals of 10 m. The rotating body 17 is a permanent magnet and has a two-blade screw shape. Then, an N pole is generated on one blade 17a of the rotating body 17, and an S pole is generated on the other blade 17b. Then, the three-phase AC currents flowing through the three-phase AC cables 11 to 13 cause the rotating magnetic field generated in the carrier tube 14 to rotate the rotating body 17 made of a permanent magnet.
【００１７】このスクリュウ形状の回転体１７の回転に
よって、図４に示すように搬送管１４内の純水は矢印で
示す方向に搬送される。このように本実施例において
は、搬送管１４の外側に等角度間隔に三相交流ケーブル
１１〜１３を配設し、その各ケーブル１１〜１３に流れ
る三相交流電流によって搬送管４内に回転磁界を作っ
た。そして、搬送管１４内にスクリュウ形状の回転体１
７を設け、回転体１７を回転磁界によって回転させるよ
うにした。By the rotation of the screw-shaped rotary member 17, the pure water in the transfer pipe 14 is transferred in the direction shown by the arrow as shown in FIG. As described above, in this embodiment, the three-phase AC cables 11 to 13 are arranged on the outer side of the carrier pipe 14 at equal angular intervals, and the three-phase AC currents flowing through the cables 11 to 13 are rotated in the carrier pipe 4. Made a magnetic field. Then, the screw-shaped rotating body 1 is provided in the carrier pipe 14.
7 is provided, and the rotating body 17 is rotated by the rotating magnetic field.
【００１８】従って、回転体１７の回転によって、搬送
管１４内の冷却用の純水は一方向に搬送されことから、
冷却用純水は管路内を循環し、効率よく搬送管１４の外
側に配置した各ケーブル１１〜１３に発生する熱を冷却
することができる。Therefore, since the pure water for cooling in the transfer pipe 14 is transferred in one direction by the rotation of the rotating body 17,
The pure water for cooling circulates in the pipe, and can efficiently cool the heat generated in each of the cables 11 to 13 arranged outside the carrier pipe 14.
【００１９】その結果、従来のように循環用のポンプを
用いる必要がないので、循環ポンプを使用に基づく消費
電力はなく、効率のよい省エネタイプの流体搬送装置と
することができる。しかも、循環ポンプを設ける必要が
ないので、循環ポンプの設置スペースを考える必要がな
くなる。As a result, since it is not necessary to use a circulation pump as in the conventional case, there is no power consumption due to the use of the circulation pump, and an efficient energy-saving type fluid transfer device can be obtained. Moreover, since it is not necessary to provide a circulation pump, it is not necessary to consider the installation space for the circulation pump.
【００２０】また、循環用ポンプと併用してもよく、そ
の場合には循環用ポンプの容量を小さくすることができ
る。なお、本発明は前記実施例に限定されるものではな
く、以下の態様で実施してもよい。 （１）回転体１７の設置間隔は特に限定されるものでな
く、適宜変更して実施してもよい。 （２）回転体１７の形状は回転によって、冷却流体を一
方向に搬送する形状であればどんな形状でもよい。 （３）前記実施例では三相ケーブル１１〜１３に応用し
たが、搬送管１４内に回転磁界を形成するものであれば
何相でもよい。 （４）冷却流体は純水に限定されるものではなく、空
気、冷却用ガス、水、冷却用オイル等、ケーブルを冷却
する流体であって、回転磁界を阻害しないものであるな
らば何でもよい。 （５）搬送管は冷却効率を上げるために、図１４にケー
ブル１１〜１３と接触面積を上げるべく嵌合させる形状
にしてもよい。It may be used in combination with a circulation pump, in which case the capacity of the circulation pump can be reduced. The present invention is not limited to the above embodiment, but may be carried out in the following modes. (1) The installation interval of the rotating body 17 is not particularly limited, and may be appropriately changed and implemented. (2) The shape of the rotating body 17 may be any shape as long as the cooling fluid is conveyed in one direction by rotation. (3) In the above embodiment, the three-phase cables 11 to 13 are applied, but any phase may be used as long as it forms a rotating magnetic field in the carrier tube 14. (4) The cooling fluid is not limited to pure water, but may be air, cooling gas, water, cooling oil, or any other fluid that cools the cable and does not disturb the rotating magnetic field. . (5) In order to improve the cooling efficiency, the carrier pipe may be shaped to fit with the cables 11 to 13 in FIG. 14 in order to increase the contact area.
【００２１】[0021]
【発明の効果】以上詳述したように、本発明によれば、
循環ポンプを使用することなく冷却流体を循環させるこ
とができる優れた効果がある。As described in detail above, according to the present invention,
There is an excellent effect that the cooling fluid can be circulated without using a circulation pump.
【図１】本発明の原理説明図である。FIG. 1 is a diagram illustrating the principle of the present invention.
【図２】一実施例を示す流体搬送装置の正断面図であ
る。FIG. 2 is a front sectional view of a fluid transfer device showing one embodiment.
【図３】一実施例を示す流体搬送装置の部分斜視図であ
る。FIG. 3 is a partial perspective view of a fluid transfer device showing one embodiment.
【図４】搬送管内に設けた回転体の斜視図である。FIG. 4 is a perspective view of a rotating body provided in a transport pipe.
【図５】三相交流電流の各相の電流波形図である。FIG. 5 is a current waveform diagram of each phase of a three-phase alternating current.
【図６】（ａ）は各相の磁界の向きと大きさを示す説明
図であり、（ｂ）はその合成磁界の方向を示す説明図で
ある。FIG. 6A is an explanatory diagram showing the direction and magnitude of the magnetic field of each phase, and FIG. 6B is an explanatory diagram showing the direction of the combined magnetic field.
【図７】（ａ）は各相の磁界の向きと大きさを示す説明
図であり、（ｂ）はその合成磁界の方向を示す説明図で
ある。FIG. 7A is an explanatory diagram showing the direction and magnitude of the magnetic field of each phase, and FIG. 7B is an explanatory diagram showing the direction of the composite magnetic field.
【図８】（ａ）は各相の磁界の向きと大きさを示す説明
図であり、（ｂ）はその合成磁界の方向を示す説明図で
ある。FIG. 8A is an explanatory diagram showing the direction and magnitude of the magnetic field of each phase, and FIG. 8B is an explanatory diagram showing the direction of the combined magnetic field.
【図９】（ａ）は各相の磁界の向きと大きさを示す説明
図であり、（ｂ）はその合成磁界の方向を示す説明図で
ある。9A is an explanatory diagram showing the direction and magnitude of the magnetic field of each phase, and FIG. 9B is an explanatory diagram showing the direction of the combined magnetic field.
【図１０】（ａ）は各相の磁界の向きと大きさを示す説
明図であり、（ｂ）はその合成磁界の方向を示す説明図
である。FIG. 10A is an explanatory diagram showing the direction and magnitude of the magnetic field of each phase, and FIG. 10B is an explanatory diagram showing the direction of the combined magnetic field.
【図１１】（ａ）は各相の磁界の向きと大きさを示す説
明図であり、（ｂ）はその合成磁界の方向を示す説明図
である。11A is an explanatory diagram showing the direction and magnitude of the magnetic field of each phase, and FIG. 11B is an explanatory diagram showing the direction of the combined magnetic field.
【図１２】（ａ）は各相の磁界の向きと大きさを示す説
明図であり、（ｂ）はその合成磁界の方向を示す説明図
である。12A is an explanatory diagram showing the direction and magnitude of the magnetic field of each phase, and FIG. 12B is an explanatory diagram showing the direction of the combined magnetic field.
【図１３】（ａ）は各相の磁界の向きと大きさを示す説
明図であり、（ｂ）はその合成磁界の方向を示す説明図
である。13A is an explanatory diagram showing the direction and magnitude of the magnetic field of each phase, and FIG. 13B is an explanatory diagram showing the direction of the combined magnetic field.
【図１４】搬送管の別例を示す搬送管の正断面図であ
る。FIG. 14 is a front sectional view of a carrier pipe showing another example of the carrier pipe.
【図１５】従来の流体搬送装置の部分斜視図である。FIG. 15 is a partial perspective view of a conventional fluid transfer device.
１，２，３ 多相交流ケーブル ４ 搬送管 ５ 回転体 1,2,3 Multi-phase AC cable 4 Carrier tube 5 Rotating body
Claims (2)
管（４）の外側に配設し、その搬送管（４）内に冷却流
体を流すことによって前記各交流ケーブル（１，２，
３）に発生する熱を冷やすようにした流体搬送装置であ
って、 前記搬送管（４）内において先端部に磁極を有し、回転
することにより搬送管（４）内の冷却流体を一方向に案
内する回転体（５）を回転可能に配設するとともに、各
交流ケーブル（１，２，３）を前記回転体（５）に対し
て回転磁界を与えるように搬送管（４）の外側に配設し
たことを特徴とする流体搬送装置。1. A multi-phase AC cable (1, 2, 3) is arranged outside a carrier pipe (4), and a cooling fluid is caused to flow in the carrier pipe (4), whereby each of the AC cables (1, 2). Two
3) A fluid transfer device for cooling the heat generated in the transfer tube (4), wherein the transfer tube (4) has a magnetic pole at its tip and rotates to rotate the cooling fluid in the transfer tube (4) in one direction. The rotating body (5) for guiding to the rotating body (5) is rotatably arranged, and the AC cables (1, 2, 3) are provided outside the carrier pipe (4) so as to give a rotating magnetic field to the rotating body (5). A fluid transfer device, characterized in that
（１１，１２，１３）であって、その各ケーブル（１
１，１２，１３）は円筒形の搬送管（１４）の外側に互
いに等間隔に配設されたものであり、回転体（１７）は
１８０度向きが異なった二翼のスクリュウ形状の磁石で
あって、一方の翼（１７ａ）の先端部にＮ極、他方の翼
（１７ｂ）の先端部にＳ極が形成されることを特徴とす
る請求項１に記載の流体搬送装置。2. The multi-phase AC cable is a three-phase AC cable (11, 12, 13), each cable (1
1, 12, 13) are arranged on the outside of a cylindrical carrier pipe (14) at equal intervals, and the rotating body (17) is a two-blade screw-shaped magnet having a different 180 ° orientation. The fluid transfer device according to claim 1, wherein an N pole is formed at a tip portion of one blade (17a) and an S pole is formed at a tip portion of the other blade (17b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24832192A JPH06105443A (en) | 1992-09-17 | 1992-09-17 | Fluid carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24832192A JPH06105443A (en) | 1992-09-17 | 1992-09-17 | Fluid carrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06105443A true JPH06105443A (en) | 1994-04-15 |
Family
ID=17176344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24832192A Withdrawn JPH06105443A (en) | 1992-09-17 | 1992-09-17 | Fluid carrier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06105443A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6029742A (en) * | 1994-01-26 | 2000-02-29 | Sun Microsystems, Inc. | Heat exchanger for electronic equipment |
| US6388920B2 (en) | 1996-02-29 | 2002-05-14 | Hitachi, Ltd. | Semiconductor memory device having faulty cells |
| US6701471B2 (en) | 1995-07-14 | 2004-03-02 | Hitachi, Ltd. | External storage device and memory access control method thereof |
| WO2007032391A1 (en) * | 2005-09-13 | 2007-03-22 | Autonetworks Technologies, Ltd. | Electric conductor for vehicle |
| JP2008199850A (en) * | 2007-02-15 | 2008-08-28 | Toyota Motor Corp | Load drive apparatus |
-
1992
- 1992-09-17 JP JP24832192A patent/JPH06105443A/en not_active Withdrawn
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6029742A (en) * | 1994-01-26 | 2000-02-29 | Sun Microsystems, Inc. | Heat exchanger for electronic equipment |
| US6701471B2 (en) | 1995-07-14 | 2004-03-02 | Hitachi, Ltd. | External storage device and memory access control method thereof |
| US7234087B2 (en) | 1995-07-14 | 2007-06-19 | Renesas Technology Corp. | External storage device and memory access control method thereof |
| US7721165B2 (en) | 1995-07-14 | 2010-05-18 | Solid State Storage Solutions, Inc. | External storage device and memory access control method thereof |
| US6388920B2 (en) | 1996-02-29 | 2002-05-14 | Hitachi, Ltd. | Semiconductor memory device having faulty cells |
| US6542405B2 (en) | 1996-02-29 | 2003-04-01 | Hitachi, Ltd. | Semiconductor memory device having faulty cells |
| US6728138B2 (en) | 1996-02-29 | 2004-04-27 | Renesas Technology Corp. | Semiconductor memory device having faulty cells |
| US7616485B2 (en) | 1996-02-29 | 2009-11-10 | Solid State Storage Solutions Llc | Semiconductor memory device having faulty cells |
| US8064257B2 (en) | 1996-02-29 | 2011-11-22 | Solid State Storage Solutions, Inc. | Semiconductor memory device having faulty cells |
| US8503235B2 (en) | 1996-02-29 | 2013-08-06 | Solid State Storage Solutions, Inc. | Nonvolatile memory with faulty cell registration |
| WO2007032391A1 (en) * | 2005-09-13 | 2007-03-22 | Autonetworks Technologies, Ltd. | Electric conductor for vehicle |
| JP2008199850A (en) * | 2007-02-15 | 2008-08-28 | Toyota Motor Corp | Load drive apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19991130 |