JPH0794874B2 - Gas pipeline opening / closing valve for gas appliances - Google Patents
Gas pipeline opening / closing valve for gas appliancesInfo
- Publication number
- JPH0794874B2 JPH0794874B2 JP62101530A JP10153087A JPH0794874B2 JP H0794874 B2 JPH0794874 B2 JP H0794874B2 JP 62101530 A JP62101530 A JP 62101530A JP 10153087 A JP10153087 A JP 10153087A JP H0794874 B2 JPH0794874 B2 JP H0794874B2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve body
- valve seat
- gas
- gas pipeline
- 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.)
- Expired - Fee Related
Links
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Magnetically Actuated Valves (AREA)
Description
【発明の詳細な説明】 ［産業上の利用分野］ この発明はガス器具のガス量を制御するガス管路開閉弁
に関するもので、特に、ガスバーナが立ち消えした時な
どにガス管路を自動的に閉じる安全機構付の、ガス器具
のガス管路開閉弁に関するものである。Description: TECHNICAL FIELD The present invention relates to a gas pipe opening / closing valve for controlling the gas amount of a gas appliance, and particularly, to automatically open the gas pipe when the gas burner goes out. The present invention relates to a gas pipeline opening / closing valve of a gas appliance with a safety mechanism.
［従来の技術］ 従来、この種のガス器具のガス管路開閉弁は、ガス管路
を閉じる方向に弁座に向って附勢された弁体を、弁座の
側からロッドで押しあげることによりガス管路を開閉
し、ガスバーナが立ち消えした時などにはロッドに作用
する電磁石がOFFになって、ロッドがフリーになり、附
勢力によって弁体が弁座に押し付けられてガス管路が閉
じるようになっていた。[Prior Art] Conventionally, in a gas pipeline opening / closing valve of this type of gas appliance, a valve element biased toward a valve seat in a direction of closing the gas pipeline is pushed up by a rod from the valve seat side. Opens and closes the gas pipeline, and when the gas burner disappears, the electromagnet that acts on the rod is turned off, the rod becomes free, and the valve body is pressed against the valve seat by the urging force to close the gas pipeline. It was like this.
［発明が解決しようとする問題点］ 上記の従来のガス器具のガス管路開閉弁は、弁体を弁座
の側から押しあげていたので、構造が複雑で製造コスト
が高く、しかも、ロッドに作用する電磁石がOFFになっ
ても、何らかの不具合でロッドが戻らなくなってしまっ
た時などにはガス管路が閉じず、ガスバーナの立ち消え
によって生ガスが漏れる危険性があった。[Problems to be Solved by the Invention] In the above-described conventional gas pipeline opening / closing valve of the gas appliance, since the valve body is pushed up from the valve seat side, the structure is complicated, the manufacturing cost is high, and the rod Even if the electromagnet acting on was turned off, there was a risk that the gas conduit would not close and the raw gas would leak due to the disappearing of the gas burner if the rod did not return due to some trouble.
この発明は、そのような従来の欠点を解消し、構造が簡
単で、しかも、ガス漏れの発生しない安全なガス器具の
ガス管路開閉弁を提供することを目的とする。SUMMARY OF THE INVENTION It is an object of the present invention to solve the conventional drawbacks described above, to provide a gas pipeline opening / closing valve for a gas appliance that has a simple structure and is safe and does not leak gas.
上述の問題点を解決するための、本発明によるガス器具
のガス管路開閉弁は、ガス管路内に進退自在に設けられ
た弁座と、上記弁座に対向して進退自在に上記ガス管路
内に設けられた弁体と、上記弁体を上記弁座に当接させ
る方向に付勢する弁体付勢手段と、上記弁体付勢手段の
付勢力に抗して上記弁体を上記弁座から退避する方向に
引き寄せ固定するための電磁石と、上記弁座を上記弁体
に対向して進退駆動するための弁座駆動手段とを設け、
上記電磁石で上記弁体を引き寄せ固定した状態で上記弁
座駆動手段により上記弁座を進退駆動することによって
上記ガス管路が開閉され、上記電磁石による上記弁体の
引き寄せを解除すれば上記弁体付勢手段によって上記弁
体が上記弁座に当接されて上記ガス管路が閉塞されるよ
うにしたガス器具のガス管路開閉弁において、上記弁座
が、上記ガス管路内に進退自在に設けられた筒体の一端
側に形成されて、その筒体の他端側に第２の弁座が形成
されるとともに、上記弁座駆動手段が第２の弁体とその
第２の弁体を上記第２の弁座に当接させる方向に付勢す
るための第２の弁体付勢手段とを有し、上記ガス管路が
上記弁体と上記第２の弁体によって上記筒体の両端にお
いて二重に閉塞されるようにしたことを特徴とする。In order to solve the above-mentioned problems, a gas pipeline opening / closing valve of a gas appliance according to the present invention includes a valve seat provided in a gas pipeline so as to be able to advance and retreat, and a gas seat capable of advancing and retreating opposite to the valve seat. A valve body provided in the pipe, a valve body biasing means for biasing the valve body in the direction of abutting the valve seat, and the valve body against the biasing force of the valve body biasing means. Is provided with an electromagnet for pulling and fixing the valve seat in the direction of retreating from the valve seat, and a valve seat drive means for driving the valve seat to advance and retract facing the valve body,
When the valve seat drive means drives the valve seat forward and backward while the valve body is attracted and fixed by the electromagnet, the gas pipeline is opened and closed. When the attraction of the valve body by the electromagnet is released, the valve body is released. In a gas pipeline opening / closing valve of a gas appliance in which the valve body is brought into contact with the valve seat by an urging means to close the gas pipeline, the valve seat is movable back and forth in the gas pipeline. Is formed on one end side of a tubular body provided on the second valve seat, and a second valve seat is formed on the other end side of the tubular body, and the valve seat driving means is provided on the second valve body and its second valve. A second valve body urging means for urging the body in a direction of abutting against the second valve seat, wherein the gas pipeline is formed by the valve body and the second valve body. It is characterized in that it is adapted to be doubly closed at both ends of the body.
［作用］ 通常は弁体が固定されており、弁座駆動手段により弁座
が進退駆動されてガス管路が開閉される。そして、ガス
バーナの立ち消え等の異常が発生したときには電磁石が
OFFになり、弁体が附勢力により弁座に押し付けられて
ガス管路が閉じる。また、弁座が形成された筒体の反対
側の端部に形成された第２の弁座に第２の弁体が押し付
けられて、ガス管路が二重に閉塞される。[Operation] Normally, the valve body is fixed, and the valve seat drive means drives the valve seat forward and backward to open and close the gas pipeline. When an abnormality such as the disappearance of the gas burner occurs, the electromagnet will
It is turned off, the valve body is pressed against the valve seat by the biasing force, and the gas pipeline is closed. Further, the second valve body is pressed against the second valve seat formed at the end portion on the opposite side of the cylinder body on which the valve seat is formed, and the gas pipeline is doubly closed.
［実施例］ 本発明の一実施例を第１図にもとづいて説明する。[Embodiment] An embodiment of the present invention will be described with reference to FIG.
第１図は、ガス器具のガス管路開閉弁がガス管路を閉じ
た状態を示している。１は、管路壁２に囲まれて形成さ
れたガス管路、３は、弁座４に当接してガス管路１を開
閉する弁体である。ガス管路１内には弁座４の上方にハ
ウジング５が形成されており、弁軸６を介して弁体３に
連結された磁性体７がそのハウジング５内に配置されて
いる。また、ハウジング５と弁体３との間には第１のコ
イルスプリング８が介挿されており、ガス管路１を閉じ
る方向に、弁体３が弁座４に向って比較的弱い力で附勢
されている。FIG. 1 shows a state in which the gas pipeline opening / closing valve of the gas appliance closes the gas pipeline. Reference numeral 1 is a gas conduit formed by being surrounded by a conduit wall 2, and 3 is a valve body that abuts a valve seat 4 to open and close the gas conduit 1. A housing 5 is formed above the valve seat 4 in the gas pipeline 1, and a magnetic body 7 connected to the valve body 3 via a valve shaft 6 is arranged in the housing 5. Further, the first coil spring 8 is interposed between the housing 5 and the valve body 3, and the valve body 3 is moved toward the valve seat 4 with a relatively weak force in the direction of closing the gas pipeline 1. Has been urged.
ハウジング５内には電磁石９が固設されている。10は電
磁コイル、11は導磁部材よりなるヨーク、12はコード13
に接続された＋側電極、14はボデーアースされた−側電
極であり、これらが取付金具15に一体に取着され、ナッ
ト16により管路壁２に固定されている。上記電極コイル
10は、ガスバーナの熱を受ける熱電対（図示せず）に接
続されており、ガスバーナの点火中は熱電対の起電力に
よって電磁コイル10に通電され、弁体３に連結された磁
性体７が電磁石９に引き寄せ固着される。17及び18は気
密用のシール材である。An electromagnet 9 is fixed in the housing 5. 10 is an electromagnetic coil, 11 is a yoke made of a magnetic conductive member, 12 is a cord 13
Are connected to the positive side electrode, and 14 is a body-grounded negative side electrode, which are integrally attached to a fitting 15 and fixed to the conduit wall 2 by a nut 16. Above electrode coil
Reference numeral 10 is connected to a thermocouple (not shown) that receives heat from the gas burner. During ignition of the gas burner, the electromagnetic coil 10 is energized by the electromotive force of the thermocouple, and the magnetic body 7 connected to the valve body 3 is It is attracted and fixed to the electromagnet 9. 17 and 18 are sealing materials for airtightness.
弁座４は、ガス管路１に進退自在に設けられた筒体19の
上端側に形成されている。そして、その筒体19は、ハウ
ジング５との間に介挿された第２のコイルスプリング20
により中程度の力で下方に附勢され、ガス管路１内に進
退自在に設けられている。21は、管路壁２と筒体19との
間をシールするＯリング、22は、そのＯリングを押さえ
る押え環、23は、その押え環22を固定するバネ性のある
止め輪である。The valve seat 4 is formed on the upper end side of a tubular body 19 that is provided in the gas pipeline 1 so as to be able to move forward and backward. Then, the tubular body 19 has a second coil spring 20 interposed between the tubular body 19 and the housing 5.
Is urged downward by a medium force and is provided in the gas pipe line 1 so as to be able to move back and forth. Reference numeral 21 is an O-ring that seals between the conduit wall 2 and the tubular body 19, reference numeral 22 is a retaining ring that presses the O-ring, and reference numeral 23 is a retaining ring having a spring property that fixes the retaining ring 22.
筒体19の下端側には第２の弁座24が形成されており、そ
の周囲の管路壁２にも同様の弁受け25が形成されてい
る。そして、第３のコイルスプリング26によって強い力
で上方に向って附勢された第２の弁体27が、第２の弁座
24及び弁受け25に同時に当接している。したがってこの
第１図の状態では、弁体３の部分と第２の弁体27の部分
でガスの流れが２重に阻止され、第２の弁体27部分で
は、さらにそのシールが内外２重になっている。また、
第２の弁体27に直結されたロッド28は、軸29を中心とし
て回動自在なアーム30を介して、例えば水ガバナ（又は
電動モータ）などの弁座駆動手段31により押し下げら
れ、第３のコイルスプリング26の力で押し上げられる。
32は、シール用のＯリングである。A second valve seat 24 is formed on the lower end side of the tubular body 19, and a similar valve support 25 is also formed on the pipe wall 2 around the second valve seat 24. Then, the second valve body 27, which is biased upward with a strong force by the third coil spring 26, moves to the second valve seat.
24 and the valve support 25 are in contact at the same time. Therefore, in the state of FIG. 1, the flow of gas is double blocked at the valve body 3 portion and the second valve body 27 portion, and the seal is further doubled at the second valve body 27 portion. It has become. Also,
The rod 28 directly connected to the second valve body 27 is pushed down by a valve seat driving means 31 such as a water governor (or an electric motor) via an arm 30 which is rotatable about a shaft 29, and a third It is pushed up by the force of the coil spring 26.
32 is an O-ring for sealing.
33は、前後のガス管路１内の差圧を一定に保ガスガバナ
であり、ガスが流れていないときには調圧弁34がコイル
スプリング35により上方に押されて一杯に開いており、
ガスが流れると、前後のガス差圧とコイルスプリング35
のバネ力とがつり合う中間位置に移動する。36は、シー
ル用のダイアフラム、37はバネ圧調整ネジ、38は着火
（再着火）用のスイッチであり、調圧弁34と共働する突
片39により動作し、第１図の状態ではスイッチ38はOFF
である。Reference numeral 33 is a gas governor for keeping the differential pressure in the front and rear gas pipelines constant, and when the gas is not flowing, the pressure regulating valve 34 is pushed upward by the coil spring 35 and is fully opened.
When the gas flows, the gas pressure difference between the front and rear and the coil spring 35
Move to an intermediate position where the spring force of is balanced. 36 is a diaphragm for sealing, 37 is a spring pressure adjusting screw, 38 is a switch for ignition (re-ignition), which is operated by a protruding piece 39 that cooperates with the pressure regulating valve 34, and in the state of FIG. Is OFF
Is.
次に上記実施例の動作について第１図ないし第４図にも
とずいて説明する。Next, the operation of the above embodiment will be described with reference to FIGS.
第１図は、メインスイッチがOFFの状態を示しており、
ガス管路１は完全に閉塞されている。即ち、弁体３と弁
座４とが当接し、第２の弁体27が第２の弁座24及び弁受
け25に当接して各々ガス管路１を閉塞している。そし
て、弁体３より上流のガスの充満している部分には摺動
部がなく、したがってガス漏れ発生等の危険性が極めて
低い。また、弁体３に弁座４が押しつけられているのが
動作の基準位置となるので、装置がONされた際の始動動
作が簡単で、動作開始も速やかに行われる。Figure 1 shows the main switch in the OFF state,
The gas line 1 is completely closed. That is, the valve body 3 and the valve seat 4 are in contact with each other, and the second valve body 27 is in contact with the second valve seat 24 and the valve receiver 25 to close the gas pipeline 1. In addition, there is no sliding portion in the gas-filled portion upstream of the valve body 3, and therefore the risk of gas leakage or the like is extremely low. Further, since the valve seat 4 is pressed against the valve body 3 serves as a reference position for the operation, the starting operation when the device is turned on is simple and the operation can be started quickly.
第２図は、弁座駆動手段31が作動して第２の弁体27を少
し引き下げた状態を示しており、第２のコイルスプリン
グ20により筒体19が押し下げられて、弁体３と弁座４と
の間が開く。ただし、第２の弁体27と第２の弁座24とは
まだ当接しており、ガス管路１は開いていない。FIG. 2 shows a state in which the valve seat driving means 31 is activated and the second valve body 27 is pulled down a little, and the second coil spring 20 pushes down the cylinder body 19 to cause the valve body 3 and the valve body 3 to move. The space with the seat 4 opens. However, the second valve body 27 and the second valve seat 24 are still in contact with each other, and the gas pipeline 1 is not open.
第３図は第２の弁体27が下りきった状態を示している。
これが通常の燃焼状態である。この時には第２の弁体27
と第２の弁座24との間も完全に開いている。また、調圧
弁34がコイルスプリング26のバネ力とつり合う位置に移
動すると共に、調圧弁34が動きだした瞬間、即ちガスが
流れ始めた瞬間にスイッチ38がONになってガスバーナに
着火（再着火）される。FIG. 3 shows a state in which the second valve body 27 is completely lowered.
This is the normal combustion state. At this time, the second valve body 27
And the second valve seat 24 are also completely open. Further, the pressure regulating valve 34 moves to a position where it balances with the spring force of the coil spring 26, and at the moment when the pressure regulating valve 34 starts moving, that is, at the moment when the gas starts flowing, the switch 38 is turned on and the gas burner is ignited (re-ignition). To be done.
第４図は、ガスバーナが立ち消えした状態を示してい
る。この場合には、電磁コイル10への通電が断たれて電
磁石９がOFFになり、筒体19の位置（即ち弁座４の位
置）とは無関係に、弁体３が附勢力により弁座４に押し
付けられてガス管路１が閉塞する。FIG. 4 shows a state in which the gas burner has disappeared. In this case, the electromagnetic coil 10 is de-energized, the electromagnet 9 is turned off, and the valve body 3 is urged by the valve seat 4 regardless of the position of the cylinder 19 (that is, the position of the valve seat 4). The gas pipeline 1 is closed by being pressed against.
尚、上記実施例においては、弁座４が形成された筒体19
に第２の弁座24が形成されて、第２の弁座24に第２の弁
体27が当接するようにしたが、本発明はこれに限定され
るものではなく、例えば弁座駆動手段31と筒体19とが一
体に直結されていてもよい。Incidentally, in the above-mentioned embodiment, the cylindrical body 19 in which the valve seat 4 is formed
Although the second valve seat 24 is formed on the second valve seat 24 so that the second valve body 27 contacts the second valve seat 24, the present invention is not limited to this. 31 and the tubular body 19 may be directly connected integrally.
［発明の効果］ この発明のガス器具のガス管路開閉弁によれば、弁座が
進退駆動されることによりガス管路が開閉され、電磁石
部分が進退しないようにしたので、構造が簡単で製造コ
ストが低く、しかも、電磁石がOFFになれば、弁座と第
２の弁座に弁体と第２の弁体が押し付けられてガス管路
を二重に閉塞することができるので、ガスバーナの立ち
消え等が発生した場合にも生ガスが漏れるおそれが無
く、安全性が非常に高い等の優れた効果を有する。[Advantages of the Invention] According to the gas pipeline opening / closing valve of the gas appliance of the present invention, the gas pipeline is opened and closed by driving the valve seat forward and backward, and the electromagnet portion is prevented from moving forward and backward. Therefore, the structure is simple. Since the manufacturing cost is low and the electromagnet is turned off, the valve body and the second valve body are pressed against the valve seat and the second valve seat, and the gas pipeline can be doubly closed. When the gas disappears, the raw gas does not leak, and it has excellent effects such as extremely high safety.
第１図は本発明の一実施例の断面図、第２図ないし第４
図は各々その実施例の異なる動作状態を示す断面図であ
る。 １……ガス管路、３……弁体、４……弁座、８……コイ
ルスプリング、９……電磁石、31……弁座駆動手段。FIG. 1 is a sectional view of an embodiment of the present invention, and FIGS.
The drawings are sectional views showing different operating states of the respective embodiments. 1 ... Gas line, 3 ... valve element, 4 ... valve seat, 8 ... coil spring, 9 ... electromagnet, 31 ... valve seat driving means.
Claims (2)
と、上記弁座に対向して進退自在に上記ガス管路内に設
けられた弁体と、上記弁体を上記弁座に当接させる方向
に付勢する弁体付勢手段と、上記弁体付勢手段の付勢力
に抗して上記弁体を上記弁座から退避する方向に引き寄
せ固定するための電磁石と、上記弁座を上記弁体に対向
して進退駆動するための弁座駆動手段とを設け、上記電
磁石で上記弁体を引き寄せ固定した状態で上記弁座駆動
手段により上記弁座を進退駆動することによって上記ガ
ス管路が開閉され、上記電磁石による上記弁体の引き寄
せを解除すれば上記弁体付勢手段によって上記弁体が上
記弁座に当接されて上記ガス管路が閉塞されるようにし
たガス器具のガス管路開閉弁において、 上記弁座が、上記ガス管路内に進退自在に設けられた筒
体の一端側に形成されて、その筒体の他端側に第２の弁
座が形成されるとともに、上記弁座駆動手段が第２の弁
体とその第２の弁体を上記第２の弁座に当接させる方向
に付勢するための第２の弁体付勢手段とを有し、上記ガ
ス管路が上記弁体と上記第２の弁体によって上記筒体の
両端において二重に閉塞されるようにしたことを特徴と
するガス器具のガス管路開閉弁。1. A valve seat provided in a gas pipeline so as to be able to move forward and backward, a valve body provided in the gas pipeline so as to be able to move forward and backward facing the valve seat, and the valve body having the valve seat as the valve seat. A valve body urging means for urging the valve body in the direction of abutting against the valve body, an electromagnet for pulling and fixing the valve body in the direction of retracting from the valve seat against the urging force of the valve body urging means, By providing a valve seat driving means for driving the valve seat opposite to the valve body and moving the valve seat forward and backward by the valve seat driving means while the valve body is attracted and fixed by the electromagnet. When the gas pipeline is opened and closed and the pulling of the valve body by the electromagnet is released, the valve body urging means causes the valve body to contact the valve seat to close the gas pipeline. In the gas pipeline opening / closing valve of a gas appliance, the valve seat moves back and forth in the gas pipeline. The second valve seat is formed on one end side of a freely provided tubular body, and the second valve seat is formed on the other end side of the tubular body, and the valve seat driving means is provided on the second valve body and its second side. A second valve body urging means for urging the valve body in a direction to bring it into contact with the second valve seat, wherein the gas pipeline is formed by the valve body and the second valve body. A gas pipeline opening / closing valve for a gas appliance, characterized in that it is configured so as to be doubly closed at both ends of a tubular body.
き、上記第２の弁体がガス管路壁にも当接し、上記第２
の弁体と上記ガス管路壁との間でも上記ガス管路が閉塞
される特許請求の範囲第１項記載のガス器具のガス管路
開閉弁。2. When the second valve body comes into contact with the second valve seat, the second valve body also comes into contact with the gas pipe passage wall,
2. The gas pipeline opening / closing valve for a gas appliance according to claim 1, wherein the gas pipeline is also closed between the valve body and the gas pipeline wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62101530A JPH0794874B2 (en) | 1987-04-24 | 1987-04-24 | Gas pipeline opening / closing valve for gas appliances |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62101530A JPH0794874B2 (en) | 1987-04-24 | 1987-04-24 | Gas pipeline opening / closing valve for gas appliances |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63270985A JPS63270985A (en) | 1988-11-08 |
| JPH0794874B2 true JPH0794874B2 (en) | 1995-10-11 |
Family
ID=14303015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62101530A Expired - Fee Related JPH0794874B2 (en) | 1987-04-24 | 1987-04-24 | Gas pipeline opening / closing valve for gas appliances |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0794874B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0462976U (en) * | 1990-10-08 | 1992-05-28 | ||
| JP7120895B2 (en) * | 2018-12-03 | 2022-08-17 | リンナイ株式会社 | Electric gas valve device |
| CN109779909A (en) * | 2019-03-25 | 2019-05-21 | 瑞智(青岛)精密机电有限公司 | Rotary compressor novel exhaust component |
| CN114396499A (en) * | 2022-03-01 | 2022-04-26 | 浙江中燃安全科技有限公司 | Gas self-closing valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5832059Y2 (en) * | 1978-04-10 | 1983-07-15 | 松下電器産業株式会社 | gas proportional control valve |
-
1987
- 1987-04-24 JP JP62101530A patent/JPH0794874B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63270985A (en) | 1988-11-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |