JPH1023618A - Control panel - Google Patents
Control panelInfo
- Publication number
- JPH1023618A JPH1023618A JP8173124A JP17312496A JPH1023618A JP H1023618 A JPH1023618 A JP H1023618A JP 8173124 A JP8173124 A JP 8173124A JP 17312496 A JP17312496 A JP 17312496A JP H1023618 A JPH1023618 A JP H1023618A
- Authority
- JP
- Japan
- Prior art keywords
- control panel
- wind tunnel
- heat sink
- wind
- cooling air
- 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.)
- Granted
Links
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Patch Boards (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、電子機器、例え
ばモータの可変速装置などの半導体応用装置のようにモ
ールド型の半導体を用いた電子機器などを盤内に収納し
た制御盤に関し、特にその冷却系に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control panel in which electronic equipment, for example, electronic equipment using a mold type semiconductor such as a semiconductor application device such as a variable speed device of a motor is housed in a panel, and in particular, to a control panel. It relates to a cooling system.
【０００２】[0002]
【従来の技術】図５及び図６は従来の制御盤の縦断正面
図及び縦断側面図を示し、１は本体部であり、その内部
には取付枠２を介してヒートシンク３が左右二列に三段
に設けられ、ヒートシンク３の外周にはモータの可変速
装置を構成する電子機器であるモールド型のトランジス
タモジュール４が取り付けられている。５は同じく取付
枠２に取り付けられたコンデンサであり、トランジスタ
モジュール４及びコンデンサ５により図７に示すように
コンバータ部６とコンデンサ５とインバータ部７からな
るモータの可変速回路を構成している。ヒートシンク３
は断面長方形の筒状に形成され、内部に縦横の仕切が設
けられている。８は本体部１内の背後側に設けられた風
洞であり、ヒートシンク３の一端は風洞８と連通する。
９は本体部１内の上部に設けられた冷却ファン、１０は
本体部１の前面開放側を開閉する扉である。2. Description of the Related Art FIGS. 5 and 6 show a vertical front view and a vertical side view of a conventional control panel, in which 1 is a main body portion, in which heat sinks 3 are arranged in two rows on the left and right through a mounting frame 2. Provided in three stages, a mold type transistor module 4 which is an electronic device constituting a variable speed device of the motor is mounted on the outer periphery of the heat sink 3. Reference numeral 5 denotes a capacitor similarly mounted on the mounting frame 2. The transistor module 4 and the capacitor 5 constitute a variable speed circuit of a motor including a converter 6, a capacitor 5 and an inverter 7, as shown in FIG. Heat sink 3
Is formed in a tubular shape having a rectangular cross section, and vertical and horizontal partitions are provided inside. Reference numeral 8 denotes a wind tunnel provided on the rear side in the main body 1, and one end of the heat sink 3 communicates with the wind tunnel 8.
Reference numeral 9 denotes a cooling fan provided at an upper portion in the main body 1, and reference numeral 10 denotes a door that opens and closes a front open side of the main body 1.
【０００３】図８は従来の制御盤の冷却風の流れを表す
縦断側面図を示し、冷却ファン９を回転させると、冷却
風は扉１０の下部に設けた吸気孔１０ａから内部に入
り、各ヒートシンク３内を通ってトランジスタモジュー
ル４を冷却し、風洞８内で合流して上昇し、冷却ファン
９を介して本体部１の天井部に設けた排気孔１ａから外
部へ排出される。FIG. 8 is a vertical sectional side view showing the flow of cooling air in a conventional control panel. When a cooling fan 9 is rotated, the cooling air enters through a suction hole 10a provided in a lower portion of a door 10 and each of the cooling air flows into the inside. The transistor module 4 is cooled through the heat sink 3, merges and rises in the wind tunnel 8, and is discharged to the outside through an exhaust hole 1 a provided in a ceiling portion of the main body 1 via a cooling fan 9.
【０００４】[0004]
【発明が解決しようとする課題】上記した従来の制御盤
においては、トランジスタモジュール４の熱はヒートシ
ンク３及び冷却風を介してその６０〜７０％が外部に排
出されるが、残りの熱量は内部に放出される。例えば、
盤内上部のＡ部のような所ではほとんど冷却風が流れな
いので高温となり、支障を来すことがあった。又、制御
盤の周囲の雰囲気が悪い場合、吸気孔１０ａから一端盤
内部に塵埃が入ると、冷却風の流れは少なくともヒート
シンク３の数だけあり、塵埃が盤内にばらまかれること
になった。In the above-mentioned conventional control panel, 60 to 70% of the heat of the transistor module 4 is discharged to the outside via the heat sink 3 and the cooling air, but the remaining heat is transferred to the inside. Will be released. For example,
In places such as the upper part A in the panel, the cooling air hardly flows, so that the temperature becomes high, which may cause trouble. Also, when the atmosphere around the control panel is poor, if dust enters the inside of the panel from the air inlet 10a, the flow of cooling air is at least as many as the heat sinks 3, and the dust is scattered in the panel.
【０００５】この発明は上記のような課題を解決するた
めに成されたものであり、盤内部の局部的な温度上昇を
防止し、あるいは塵埃の盤内へのばらまきを防止し、内
部に収納された電子機器を好条件に保つことができ、そ
の寿命を延ばすことができる制御盤を得ることを目的と
する。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is intended to prevent a local rise in temperature inside a panel or to prevent dust from scattering into a panel and to store the dust inside the panel. It is an object of the present invention to obtain a control panel capable of keeping the used electronic device in favorable conditions and extending its life.
【０００６】[0006]
【課題を解決するための手段】この発明の請求項１に係
る制御盤は、下部に設けられた吸気孔と、上部に設けら
れた排気孔と、内部に設けられた風洞と、内部に設けら
れるとともに、筒状に形成され、外周に電子機器を構成
する電子部品が取り付けられ、かつ一端が風洞と連通す
るヒートシンクと、風洞からの冷却風を上記排気孔に案
内する冷却ファンと、ヒートシンクの他端に設けられた
上向きの風案内部を設けたものである。According to a first aspect of the present invention, there is provided a control panel including an intake hole provided at a lower portion, an exhaust hole provided at an upper portion, a wind tunnel provided inside, and an internal portion provided inside. And a heat sink, which is formed in a cylindrical shape, has an electronic component attached to an outer periphery thereof, and has one end communicating with the wind tunnel, a cooling fan for guiding cooling air from the wind tunnel to the exhaust hole, and a heat sink. An upward wind guide portion provided at the other end is provided.
【０００７】又、請求項２に係る制御盤は、吸気孔と、
上部に設けられた排気孔と、内部に設けられた風洞と、
内部に設けられるとともに、筒状に形成され、外周に電
子機器を構成する電子部品が取り付けられ、かつ一端が
風洞と連通するヒートシンクと、風洞からの冷却風を上
記排気孔に案内する冷却ファンと、吸気孔の内側に取り
付けられ、ヒートシンクの他端と連通する継ぎ風洞を設
けたものである。[0007] The control panel according to claim 2 is characterized in that:
An exhaust hole provided at the top, a wind tunnel provided inside,
A heat sink, which is provided inside and is formed in a cylindrical shape, and on which the electronic components constituting the electronic device are mounted on the outer periphery, and one end of which communicates with the wind tunnel, and a cooling fan that guides cooling air from the wind tunnel to the exhaust hole, , Is provided inside the air intake hole and has a connecting wind tunnel communicating with the other end of the heat sink.
【０００８】[0008]
実施形態１ 以下、この発明の実施の形態を図面とともに説明する。
図１及び図２はこの発明の実施形態１による制御盤の冷
却風の流れを示す縦断側面図及び要部斜視図を示し、１
１は一端が風洞８と連通するヒートシンク３の他端に取
り付けられた上向きの風案内部であり、他の構成は従来
と同様である。Embodiment 1 Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
1 and 2 are a longitudinal side view and a perspective view of a main part showing a flow of cooling air in a control panel according to Embodiment 1 of the present invention.
Reference numeral 1 denotes an upward wind guide attached to the other end of the heat sink 3 having one end communicating with the wind tunnel 8, and the other configuration is the same as the conventional one.
【０００９】上記構成において、冷却ファン９を回転さ
せると、冷却風は吸気孔１０ａから盤内に入り、上向き
の風案内部１１があるために直接的にはヒートシンク３
へ向かわず、通流すべきヒートシンク３よりやや上方ま
で進み、そのそ後各風案内部１１に案内されて各ヒート
シンク３内を通流し、風洞８で合流し、冷却ファン９を
介して排気孔１ａから外部に排出される。In the above configuration, when the cooling fan 9 is rotated, the cooling air enters the board through the intake hole 10a, and the heat sink 3 is directly provided by the upward wind guide portion 11.
Without passing through the heat sink 3 to be flown, the airflow is guided by the wind guide portions 11 to flow through the heat sinks 3, merges in the wind tunnel 8, and passes through the cooling fan 9 to the exhaust hole 1 a. Is discharged to the outside.
【００１０】実施形態１においては、各ヒートシンク３
の他端に上向きの風案内部１１を設けており、吸気孔１
０ａから盤内に入った冷却風は一端上方まで進んだ後ヒ
ートシンク３内に吸入される。このため、盤内上方にも
冷却風が通流することになり、盤内を平均して冷却する
ことができる。このため、盤内部の局部的な温度上昇は
生じず、電子機器を好条件に保つことができ、その寿命
を延ばすことができる。In the first embodiment, each heat sink 3
Is provided with an upward wind guide 11 at the other end thereof.
The cooling air that has entered the panel from 0a is drawn into the heat sink 3 after reaching one end upward. For this reason, the cooling air flows also in the upper part of the panel, and the inside of the panel can be cooled on average. For this reason, a local temperature rise inside the panel does not occur, and the electronic device can be maintained under favorable conditions, and its life can be extended.
【００１１】実施形態２ 図３及び図４は実施形態２による制御盤の冷却風の流れ
を示す縦断側面図及び要部斜視図を示し、吸気孔１０ａ
は扉１０の各ヒートシンク３と対応した位置に開口す
る。１２は筒状の継ぎ風洞であり、その一端は扉１０の
吸気孔１０ａの内側に取り付けられ、継ぎ風洞１２の他
端は扉１０を閉じた状態でヒートシンク３と連通し、開
口が一致する。１３は継ぎ風洞１２の内部に設けられた
冷却フィンである。Embodiment 2 FIGS. 3 and 4 are a vertical sectional side view and a perspective view of a main part showing a flow of cooling air of a control panel according to a second embodiment.
Is opened at a position corresponding to each heat sink 3 of the door 10. Numeral 12 denotes a cylindrical air tunnel, one end of which is attached to the inside of the air inlet 10a of the door 10, and the other end of the air tunnel 12 communicates with the heat sink 3 with the door 10 closed, and the openings coincide. Reference numeral 13 denotes a cooling fin provided inside the wind tunnel 12.
【００１２】上記構成において、冷却ファン９を回転さ
せると、冷却風は吸気孔１０ａから継ぎ風洞１２内に入
って継ぎ風洞１２自体及び冷却フィン１３と熱交換した
後、ヒートシンク３内に入って熱交換し、風洞８で合流
して冷却ファン９を介して排気孔１ａから外部に排出さ
れる。冷却フィン１４は盤内の空気と熱交換して盤内を
冷却する。In the above configuration, when the cooling fan 9 is rotated, the cooling air enters the junction wind tunnel 12 through the intake hole 10a and exchanges heat with the junction wind tunnel 12 itself and the cooling fins 13, and then enters the heat sink 3 to generate heat. It is exchanged, merged in the wind tunnel 8, and discharged to the outside through the exhaust hole 1a through the cooling fan 9. The cooling fins 14 exchange heat with air in the panel to cool the panel.
【００１３】実施形態２においては、冷却風は扉１０の
吸気孔１０ａから継ぎ風洞１２内、ヒートシンク３内、
及び風洞８内を介して排気孔１ａから排出される。従っ
て、冷却風と一緒に塵埃がこれらの通路を通っても盤内
に入ることはなく、盤内にばらまかれることはない。こ
のため、盤内を清浄に保つことができ、トランジスタモ
ジュール４等の電子部品に対して好条件が得られ、電子
部品の寿命を長くすることができる。又、継ぎ風洞１２
の内外に冷却フィン１３，１４を設けたので、盤内空気
を効果的に冷却することができ、局部的な温度上昇も防
止することができる。In the second embodiment, the cooling air flows from the intake hole 10a of the door 10 into the joint wind tunnel 12, the heat sink 3,
Then, the air is discharged from the exhaust hole 1a through the wind tunnel 8. Therefore, even if dust passes along these passages together with the cooling air, the dust does not enter the board and is not scattered in the board. For this reason, the inside of the board can be kept clean, favorable conditions can be obtained for the electronic components such as the transistor module 4, and the life of the electronic components can be prolonged. Also, the wind tunnel 12
Since the cooling fins 13 and 14 are provided inside and outside of the panel, the air inside the panel can be effectively cooled, and a local temperature rise can be prevented.
【００１４】[0014]
【発明の効果】以上のようにこの発明の請求項１によれ
ば、ヒートシンクの他端に上向きの風案内部を設けたの
で、下部に設けられた吸気孔から盤内に入った冷却風は
一端ヒートシンクより上方まで移動した後ヒートシンク
内に入るので、盤内を平均して冷却することができ、局
部的な温度上昇を防止することができ、盤内を好条件に
して電子部品等の寿命を長くすることができる。As described above, according to the first aspect of the present invention, since the upward wind guide portion is provided at the other end of the heat sink, the cooling air flowing into the panel from the intake hole provided at the lower portion can be cooled. Once inside the heat sink after moving above the heat sink, the inside of the board can be cooled evenly, local temperature rise can be prevented, and the life of electronic components etc Can be lengthened.
【００１５】又、請求項２によれば、冷却風は吸気孔か
ら継ぎ風洞、ヒートシンク及び風洞の内部を通って排気
孔から排出されるので、冷却風に混入した塵埃もこれら
の通路のみを通ることになり、実質的に盤内に入ること
はなく、電子部品に悪影響を与えることはなく、その寿
命を延ばすことができる。According to the second aspect of the present invention, since the cooling air is discharged from the exhaust hole through the air passage, the heat sink, and the wind tunnel from the intake hole, dust mixed in the cooling air passes only through these passages. As a result, the electronic component does not substantially enter the panel, does not adversely affect the electronic components, and can extend the life of the electronic components.
【図１】この発明の実施形態１による制御盤の冷却風の
流れを示す縦断側面図である。FIG. 1 is a vertical sectional side view showing a flow of cooling air in a control panel according to Embodiment 1 of the present invention.
【図２】実施形態１による制御盤の要部斜視図である。FIG. 2 is a perspective view of a main part of a control panel according to the first embodiment.
【図３】実施形態２による制御盤の縦断側面に図であ
る。FIG. 3 is a view on a vertical side surface of a control panel according to a second embodiment.
【図４】実施形態２による制御盤の要部斜視図である。FIG. 4 is a perspective view of a main part of a control panel according to a second embodiment.
【図５】従来の制御盤の縦断正面図である。FIG. 5 is a vertical sectional front view of a conventional control panel.
【図６】従来の制御盤の縦断側面図である。FIG. 6 is a vertical sectional side view of a conventional control panel.
【図７】制御盤内の電子機器の回路図である。FIG. 7 is a circuit diagram of an electronic device in a control panel.
【図８】従来の制御盤の冷却風の流れを表す縦断側面図
である。FIG. 8 is a vertical sectional side view showing a flow of cooling air in a conventional control panel.
１…本体部 １ａ…排気孔 ３…ヒートシンク ４…トランジスタモジュール ８…風洞 ９…冷却ファン １０…扉 １０ａ…吸気孔 １１…風案内部 １２…継ぎ風洞 DESCRIPTION OF SYMBOLS 1 ... Main body part 1a ... Exhaust hole 3 ... Heat sink 4 ... Transistor module 8 ... Wind tunnel 9 ... Cooling fan 10 ... Door 10a ... Intake hole 11 ... Wind guide part 12 ... Splice wind tunnel
Claims (2)
いて、下部に設けられた吸気孔と、上部に設けられた排
気孔と、内部に設けられた風洞と、内部に設けられると
ともに筒状に形成され、外周に電子機器を構成する電子
部品が取り付けられ、かつ一端が風洞と連通するヒート
シンクと、風洞からの冷却風を上記排気孔に案内する冷
却ファンと、ヒートシンクの他端に設けられた上向きの
風案内部を備えたことを特徴とする制御盤。1. A control panel in which electronic equipment is housed, wherein an intake hole provided in a lower portion, an exhaust hole provided in an upper portion, a wind tunnel provided in the inside, a cylindrical portion provided in the inside, An electronic component constituting an electronic device is attached to the outer periphery, and a heat sink having one end communicating with the wind tunnel, a cooling fan for guiding cooling air from the wind tunnel to the exhaust hole, and a heat sink provided at the other end of the heat sink. A control panel comprising an upward wind guide.
いて、吸気孔と、上部に設けられた排気孔と、内部に設
けられた風洞と、内部に設けられるとともに筒状に形成
され、外周に電子機器を構成する電子部品が取り付けら
れ、かつ一端が風洞と連通するヒートシンクと、風洞か
らの冷却風を上記排気孔に案内する冷却ファンと、吸気
孔の内側に取り付けられ、ヒートシンクの他端と連通す
る継ぎ風洞を備えたことを特徴とする制御盤。2. A control panel in which an electronic device is housed, wherein an intake hole, an exhaust hole provided in an upper part, a wind tunnel provided in an inside, a tubular shape provided in the inside, and an outer periphery are provided. An electronic component constituting an electronic device is attached to the heat sink, and one end of the heat sink communicates with the wind tunnel; a cooling fan that guides cooling air from the wind tunnel to the exhaust hole; A control panel characterized by having a wind tunnel communicating with the control panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17312496A JP3496398B2 (en) | 1996-07-03 | 1996-07-03 | control panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17312496A JP3496398B2 (en) | 1996-07-03 | 1996-07-03 | control panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1023618A true JPH1023618A (en) | 1998-01-23 |
| JP3496398B2 JP3496398B2 (en) | 2004-02-09 |
Family
ID=15954585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17312496A Expired - Fee Related JP3496398B2 (en) | 1996-07-03 | 1996-07-03 | control panel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3496398B2 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000132211A (en) * | 1998-10-26 | 2000-05-12 | Denso Corp | Programmable controller |
| US6222729B1 (en) | 1998-07-28 | 2001-04-24 | Nec Corporation | Electronic device cooling system having guides for guiding a flow of the air evenly |
| WO2008084632A1 (en) * | 2007-01-10 | 2008-07-17 | Ntt Electronics Corporation | Electronic unit |
| JP2009187977A (en) * | 2008-02-01 | 2009-08-20 | Mitsubishi Electric Corp | Cooling device |
| CN102468615A (en) * | 2010-11-05 | 2012-05-23 | 广东天富电气有限公司 | All-weather box type transformer station |
| US8379384B2 (en) | 2008-10-08 | 2013-02-19 | Abb Oy | Cooling structure for electronic device, and a method |
| JP2013118400A (en) * | 2013-02-21 | 2013-06-13 | Sansha Electric Mfg Co Ltd | Device cooling system |
| WO2022137594A1 (en) * | 2020-12-24 | 2022-06-30 | 浜松ホトニクス株式会社 | Active energy irradiation device and active energy irradiation system |
| US11690194B2 (en) | 2019-09-26 | 2023-06-27 | Fanuc Corporation | Electrical apparatus including fan unit and control panel including electrical apparatus |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108281891A (en) * | 2017-12-25 | 2018-07-13 | 罗新华 | A kind of dust removal method suitable at the top of power distribution cabinet |
| CN108199263A (en) * | 2017-12-25 | 2018-06-22 | 罗新华 | A kind of dust-extraction unit suitable at the top of power distribution cabinet |
-
1996
- 1996-07-03 JP JP17312496A patent/JP3496398B2/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6222729B1 (en) | 1998-07-28 | 2001-04-24 | Nec Corporation | Electronic device cooling system having guides for guiding a flow of the air evenly |
| JP2000132211A (en) * | 1998-10-26 | 2000-05-12 | Denso Corp | Programmable controller |
| WO2008084632A1 (en) * | 2007-01-10 | 2008-07-17 | Ntt Electronics Corporation | Electronic unit |
| JP2009187977A (en) * | 2008-02-01 | 2009-08-20 | Mitsubishi Electric Corp | Cooling device |
| US8379384B2 (en) | 2008-10-08 | 2013-02-19 | Abb Oy | Cooling structure for electronic device, and a method |
| CN102468615A (en) * | 2010-11-05 | 2012-05-23 | 广东天富电气有限公司 | All-weather box type transformer station |
| JP2013118400A (en) * | 2013-02-21 | 2013-06-13 | Sansha Electric Mfg Co Ltd | Device cooling system |
| US11690194B2 (en) | 2019-09-26 | 2023-06-27 | Fanuc Corporation | Electrical apparatus including fan unit and control panel including electrical apparatus |
| WO2022137594A1 (en) * | 2020-12-24 | 2022-06-30 | 浜松ホトニクス株式会社 | Active energy irradiation device and active energy irradiation system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3496398B2 (en) | 2004-02-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0103412B1 (en) | Control apparatus for inverters, etc. | |
| KR900004232A (en) | Inverter device | |
| JPH1023618A (en) | Control panel | |
| ATE335182T1 (en) | COOLING SYSTEM | |
| US6648399B2 (en) | Front end panel | |
| JP3116231B2 (en) | Radiator radiator using air duct | |
| US20230167991A1 (en) | Heat exchange module and cabinet | |
| JPH1096550A (en) | Housing for electronic apparatus | |
| JPH10108323A (en) | Switchboard | |
| JPH0888490A (en) | Cooler for vehicle controller | |
| WO2020066334A1 (en) | Outdoor unit of air-conditioner | |
| JPH0322595A (en) | Internal heat dissipation system of outdoor display system | |
| JPH09294312A (en) | Uninterruptive power supply | |
| KR20160120947A (en) | Active air flap | |
| JP3826520B2 (en) | Air conditioner outdoor unit | |
| JP2926437B2 (en) | Electronic device cooling structure | |
| JP4040969B2 (en) | Electric junction box cooling structure | |
| JPH07283567A (en) | Cooling structure of printed board | |
| JP2923689B2 (en) | Electronic device cooling structure | |
| CN216982353U (en) | Heat radiation structure of wireless interphone | |
| JPH01200124A (en) | Air-conditioning machine for window | |
| JP2002299870A (en) | Heat sink with fan | |
| JPH02302097A (en) | Cooling structure of cabinet for communication apparatus | |
| JPH06350941A (en) | Cooler for television receiver for bath room | |
| JPH05215476A (en) | Heat exchanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20081128 Year of fee payment: 5 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20091128 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20101128 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20101128 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20111128 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20111128 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20121128 Year of fee payment: 9 |
|
| LAPS | Cancellation because of no payment of annual fees |