JP2704830B2 - Solenoid valve - Google Patents
Solenoid valveInfo
- Publication number
- JP2704830B2 JP2704830B2 JP9529594A JP9529594A JP2704830B2 JP 2704830 B2 JP2704830 B2 JP 2704830B2 JP 9529594 A JP9529594 A JP 9529594A JP 9529594 A JP9529594 A JP 9529594A JP 2704830 B2 JP2704830 B2 JP 2704830B2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- mounting hole
- hole
- solenoid
- peripheral surface
- 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 - Lifetime
Links
Landscapes
- Sliding Valves (AREA)
- Magnetically Actuated Valves (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、一端にソレノイド部を
付設したバルブ本体の弁孔に、ソレノイド部に発生する
電磁推力により一方向へ押圧されるスプール弁を嵌装
し、バルブ本体の他端に形成した取付孔に固定される調
節栓とスプール弁との間に、該弁を前記電磁推力と反対
方向へ付勢する弁ばねを縮設したソレノイド弁に関す
る。BACKGROUND OF THE INVENTION The present invention relates to a valve body provided with a solenoid portion at one end, and a spool valve which is pressed in one direction by electromagnetic thrust generated in the solenoid portion in a valve hole of the valve body. The present invention relates to a solenoid valve in which a valve spring for urging the valve in a direction opposite to the electromagnetic thrust is contracted between an adjustment plug fixed to a mounting hole formed at an end and a spool valve.
【０００２】[0002]
【従来の技術】従来、かゝるソレノイド弁において、調
節栓をバルブ本体の取付孔に螺合して、その螺合深さに
より弁ばねのセット荷重を調節し、その調節後、調節栓
の螺合部をバルブ本体外側からかしめて固定することが
知られている（例えば特開平２−１２９４８４号公報参
照）。2. Description of the Related Art Conventionally, in such a solenoid valve, an adjusting plug is screwed into a mounting hole of a valve body, and a set load of a valve spring is adjusted by a screwing depth. It is known that a screwing portion is fixed by caulking from the outside of the valve body (for example, see Japanese Patent Application Laid-Open No. 2-129484).
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上記の
ようなソレノイド弁では、調節栓の螺合部の固定のため
に、かしめが不可欠であり、しかもそのかしめ時には、
ねじ部の変形により調節栓が軸方向に多少とも変位し
て、調節済の弁ばねのセット荷重に狂いを生じることが
ある。However, in the above-described solenoid valve, caulking is indispensable for fixing the threaded portion of the adjusting plug, and at the time of caulking,
The adjustment plug may be displaced in the axial direction more or less due to the deformation of the screw portion, and the set load of the adjusted valve spring may be deviated.
【０００４】本発明は、かゝる事情に鑑みてなされたも
ので、弁ばねのセット荷重の調節後、かしめを行わずと
も調節栓の固定が可能であり、また調節栓の固定をより
確実にすべくかしめを行っても調節栓に無用な変位を生
じさせることがなく、しかも同一の調節栓で直径の異な
る弁ばねにも対応可能な前記ソレノイド弁を提供するこ
とを目的とする。SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and it is possible to fix an adjusting plug without adjusting the set load of a valve spring without caulking. It is an object of the present invention to provide the solenoid valve which does not cause unnecessary displacement of the adjusting plug even when caulking is performed, and which can cope with valve springs having different diameters with the same adjusting plug.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するため
に、本発明は、調節栓を、バルブ本体の取付孔に圧入さ
れる円筒状の胴部と、この胴部の内端壁に形成されて周
面で弁ばねを支承する円錐状の座部とから構成し、その
胴部の取付孔への圧入深さにより弁ばねのセット荷重を
調節するようにしたことを第１の特徴とする。In order to achieve the above object, according to the present invention, an adjusting tap is formed on a cylindrical body press-fitted into a mounting hole of a valve body, and on an inner end wall of the body. And a conical seat portion for supporting the valve spring on the peripheral surface thereof, and the set load of the valve spring is adjusted by the press-fitting depth of the body portion into the mounting hole. I do.
【０００６】また本発明は、上記特徴に加えて、取付孔
内周面に開口する係止孔をバルブ本体に設け、この係止
孔に係合する突起を調節栓の胴部外周面に形成したこと
を特徴とする。According to the present invention, in addition to the above-mentioned features, a locking hole which opens on the inner peripheral surface of the mounting hole is provided in the valve body, and a projection which engages with the locking hole is formed on the outer peripheral surface of the body of the adjusting plug. It is characterized by having done.
【０００７】[0007]
【実施例】以下、図面により本発明の実施例について説
明する。Embodiments of the present invention will be described below with reference to the drawings.
【０００８】先ず本発明の第１実施例を示す図１におい
て、油圧制御用のソレノイド弁１は、リニアソレノイド
部Ｓとバルブ部Ｖとからなる。リニアソレノイド部Ｓ
は、ハウジング３、コイル４、固定コア５、可動コア６
及び、この可動コア６の中心部に固設される出力杆７を
備え、コイル４を流れる電流値に比例した電磁推力が可
動コア６に発生して、出力杆７を図で左方へ作動するよ
うになっている。出力杆７は固定コア５に設けた軸受８
に摺動自在に支承される。Referring to FIG. 1 showing a first embodiment of the present invention, a solenoid valve 1 for hydraulic control comprises a linear solenoid portion S and a valve portion V. Linear solenoid S
Are the housing 3, the coil 4, the fixed core 5, the movable core 6
An output rod 7 fixed to the center of the movable core 6; an electromagnetic thrust proportional to the current flowing through the coil 4 is generated in the movable core 6 to move the output rod 7 leftward in the figure; It is supposed to. The output rod 7 is a bearing 8 provided on the fixed core 5.
It is slidably supported by.
【０００９】バルブ部Ｖは、固定コア５側でハウジング
３とかしめ結合されるバルブ本体１０と、このバルブ本
体１０に出力杆７と同軸状に形成された弁孔１１に嵌装
されて出力杆７の先端に当接するスプール弁１２と、こ
のスプール弁１２を出力杆７との当接方向へ付勢する弁
ばね１３と、バルブ本体１０に固定されて弁ばね１３の
外端を支承する調節栓１４とから構成される。The valve portion V is provided with a valve body 10 which is swaged and connected to the housing 3 on the fixed core 5 side, and a valve hole 11 formed in the valve body 10 so as to be coaxial with the output rod 7. 7, a valve spring 13 for urging the spool valve 12 in the direction of contact with the output rod 7, and an adjustment fixed to the valve body 10 to support the outer end of the valve spring 13. And a stopper 14.
【００１０】バルブ本体１０には、リニアソレノイド部
Ｓ側から順に第１〜第６ポート１５ 1 〜１５6 が設けら
れ、第１ポート１５1 は、出力杆７及びスプール弁１２
の当接部を収容するように形成されると共に、×印で示
すように油溜に開放される。また第２〜第５ポート１５
2 〜１５5 はそれぞれスプール弁１２の外周を囲むよう
に形成される。そして第４ポート１５4 は、油圧源１６
に連なる高圧油路１７に接続され、第３ポート１５
3 は、油圧作動部１８に連なる制御油路１９に接続さ
れ、第２，第５ポート１５2 ，１５5 は×印で示すよう
に油溜に開放される。また第６ポート１５6 は、スプー
ル弁１２の外端が臨む反力室２０に連通するように形成
され、且つオリフィス２１を制御油路１９の途中に接続
される。The valve body 10 includes a linear solenoid unit.
First to sixth ports 15 in order from S side 1~ 156Provided
And the first port 151Is the output rod 7 and the spool valve 12
Are formed to accommodate the abutment of
Open to the sump. Also, the second to fifth ports 15
Two~ 15FiveRespectively surround the outer circumference of the spool valve 12.
Formed. And the fourth port 15FourIs the hydraulic source 16
The third port 15 is connected to the high pressure oil passage 17
ThreeIs connected to a control oil passage 19 connected to the hydraulic operating portion 18.
And the second and fifth ports 15Two, 15FiveIs indicated by a cross
Is opened to the sump. 6th port 156Is a spoo
Formed so as to communicate with the reaction force chamber 20 facing the outer end of the valve 12
And orifice 21 is connected in the middle of control oil passage 19
Is done.
【００１１】而して、スプール弁１２は、第３ポート１
５3 を第２及び第４ポート１５2 ，１５4 のいずれとも
連通させない中立位置から図で左方へ変位すると第３ポ
ート１５3 を第４ポート１５4 に連通させ、右方へ変位
すると第３ポート１５3 を第２ポート１５2 に連通させ
るようになっている。The spool valve 12 is connected to the third port 1
5 3 communicated when in FIG from the second and fourth ports 15 2, 15 neutral position with either not communicated 4 is displaced to the left the third port 15 3 to the fourth port 15 4, when displaced to the right first the 3-port 15 3 adapted to communicate with the second port 15 2.
【００１２】さて、調節栓１４のバルブ本体１０への取
付構造について図２により説明する。バルブ本体１０の
外端部には、弁孔１１と同軸状に大径の取付孔２２が設
けられ、これに調節栓１４が取付けられる。調節栓１４
は金属板をプレス成形したもので、一端に端壁２５ａを
有する円筒状の胴部２５と、その端壁に弁孔１１と同軸
状、且つ凸状に形成された円錐状の座部２６とからなっ
ており、その座部２６の外周面で弁ばね１３の外端を受
けつゝ胴部２５は取付孔２２に没入するまで圧入され
る。Now, a structure for attaching the adjusting plug 14 to the valve body 10 will be described with reference to FIG. At the outer end of the valve body 10, a large-diameter mounting hole 22 is provided coaxially with the valve hole 11, and the adjusting plug 14 is mounted on the mounting hole 22. Adjustment tap 14
Is a press-formed metal plate, a cylindrical body 25 having an end wall 25a at one end, and a conical seat 26 formed coaxially with the valve hole 11 and convex at the end wall. The outer peripheral surface of the seat 26 receives the outer end of the valve spring 13. The body 25 is pressed into the mounting hole 22 until it is immersed.
【００１３】またバルブ本体１０には、取付孔２２の内
周面に開口する１又は複数の係止孔２７が穿設され、こ
れに係合する突起２８が胴部２５の周壁の一部がかしめ
て形成される。The valve body 10 is provided with one or a plurality of locking holes 27 opened in the inner peripheral surface of the mounting hole 22, and a projection 28 engaged with the locking hole 27 forms a part of the peripheral wall of the body 25. It is formed by caulking.
【００１４】尚、弁ばね１３の内端側半部は、弁孔１１
の内周面に案内され、またその端部はスプール弁１２の
外端に突設した短軸１２ａ外周に嵌合される。The inner half of the valve spring 13 is provided with a valve hole 11.
The end of the spool valve 12 is fitted to the outer periphery of a short shaft 12 a protruding from the outer end of the spool valve 12.
【００１５】次に、この実施例の作用について説明す
る。Next, the operation of this embodiment will be described.
【００１６】ソレノイド弁１のバルブ部Ｖの組立に際し
ては、先ずスプール弁１２を取付孔２２を通してバルブ
本体１０の弁孔１１に挿入し、続いて弁ばね１３を挿入
して、その内端部をスプール弁１２外端の短軸１２ａに
嵌合する。次いで円錐状座部２６の外周面で弁ばね１３
の外端を支承しながら調節栓１４の胴部２５を取付孔２
２に没入するまで圧入し、その圧入深さにより弁ばね１
３のセット荷重を調節する。この場合、第４ポート１５
4 （入力ポート）に油圧源１６を接続した状態でリニア
ソレノイド部Ｓに規定の電流を流して、第３ポート１５
3 （出力ポート）の油圧を測定しながら胴部２５の取付
孔２２への圧入を徐々に進めていき、第３ポート１５3
の油圧が所定値まで低下したときが弁ばね１３に所定の
セット荷重が与えられたときであり、このとき胴部２５
の圧入を止める。次いで、適当なかしめ工具により胴部
２５を内周面側からバルブ本体１０の係止孔２７に向け
て押圧することにより、係止孔２７に係合する突起２８
を胴部２５に形成し、調節栓１４をより確実に固定す
る。At the time of assembling the valve portion V of the solenoid valve 1, first, the spool valve 12 is inserted into the valve hole 11 of the valve body 10 through the mounting hole 22, and then the valve spring 13 is inserted, and the inner end thereof is inserted. The spool valve 12 is fitted to the short shaft 12a at the outer end. Next, the valve spring 13 is provided on the outer peripheral surface of the conical seat portion 26.
The body 25 of the adjusting plug 14 is attached to the mounting hole 2 while supporting the outer end of
2 until it is immersed in the valve spring 1 and the valve spring 1
Adjust the set load of 3. In this case, the fourth port 15
4 With the hydraulic source 16 connected to the (input port), a specified current is applied to the linear solenoid unit S to
3 While gradually measuring the oil pressure at the (output port), the press-fitting of the body 25 into the mounting hole 22 is gradually advanced, and the third port 15 3
Is reduced to a predetermined value when a predetermined set load is applied to the valve spring 13. At this time, the trunk 25
Stop press-fitting. Next, by pressing the body portion 25 from the inner peripheral surface side toward the locking hole 27 of the valve body 10 with an appropriate caulking tool, the projection 28 engaging with the locking hole 27 is formed.
Is formed on the body 25, and the adjusting plug 14 is more securely fixed.
【００１７】このようなかしめの際、胴部２５は取付孔
２２に既に圧入されているから、胴部２５が軸方向に動
くことはなく、したがって弁ばね１３のセット荷重を狂
わすこともない。しかも胴部２５は取付孔に没入してい
て、バルブ本体１０外方への突出部を形成しないので、
他物との衝突による調節栓１４の位置ずれをも確実に防
ぐことができる。At the time of such caulking, since the body 25 has already been press-fitted into the mounting hole 22, the body 25 does not move in the axial direction, and therefore the set load of the valve spring 13 is not disturbed. Moreover, since the body portion 25 is immersed in the mounting hole and does not form a protruding portion outside the valve body 10,
The displacement of the adjusting plug 14 due to collision with another object can be reliably prevented.
【００１８】リニアソレノイド部Ｓの非通電時には、ス
プール弁１２は弁ばね１３の弾発力により、図１で右動
限位置を占め、第３及び第４ポート１５3 ，１５4 間を
遮断すると共に、第２及び第３ポート１５2 ，１５3 間
を導通させるので、制御油路１９は油溜に開放される。When the linear solenoid portion S is not energized, the spool valve 12 occupies the rightmost position in FIG. 1 due to the elastic force of the valve spring 13 and shuts off the third and fourth ports 15 3 and 15 4. together, since the conduction between the second and third port 15 2, 15 3, the control oil passage 19 is opened to the oil reservoir.
【００１９】リニアソレノイド部Ｓの通電時には、その
電流値に比例した電磁推力が可動コア６から出力杆７を
介してスプール弁１２に作用する。これに伴いスプール
弁１２が弁ばね１２の反発力に抗して左方へ変位する
と、第２及び第３ポート１５2，１５3 間を遮断すると
共に、第３及び第４ポート１５3 ，１５4 間を導通させ
ることにより、高圧油路１７から制御油路１９に油圧が
供給される。そして、その油圧は、油圧作動部１８に直
ちに供給される外、オリフィス２１を介して反力室２０
にも伝達し、その油圧による押圧力と弁ばね１３の反発
力とが反力としてスプール弁１２に作用し、これを出力
杆７側へ押圧する。その結果、スプール弁１２は、出力
杆７の電磁推力と上記反力との釣合いを図るように左右
動し、油圧作動部１８には、リニアソレノイド部Ｓに流
れる電流値に比例した油圧を供給するようになる。When the linear solenoid portion S is energized, an electromagnetic thrust proportional to the current value acts on the spool valve 12 from the movable core 6 via the output rod 7. Accordingly, when the spool valve 12 is displaced leftward against the repulsive force of the valve spring 12, the connection between the second and third ports 15 2 and 15 3 is cut off, and the third and fourth ports 15 3 and 15 3 are closed. By conducting between the four , hydraulic pressure is supplied from the high-pressure oil passage 17 to the control oil passage 19. Then, the hydraulic pressure is immediately supplied to the hydraulic operating section 18, and the reaction chamber 20
And the pressing force of the hydraulic pressure and the repulsive force of the valve spring 13 act on the spool valve 12 as a reaction force, and press the spool valve 12 toward the output rod 7. As a result, the spool valve 12 moves left and right so as to balance the electromagnetic thrust of the output rod 7 with the above-mentioned reaction force, and supplies a hydraulic pressure proportional to the current value flowing to the linear solenoid portion S to the hydraulic operating portion 18. I will be.
【００２０】ところで、弁ばね１３の、弁孔１１から突
出した外端部は、調節栓１４の円錐状座部２６から常に
調心作用を受けるので、スプール弁１２の左右動による
も、常に適正な姿勢を保ってスプール弁１２に反発力を
正確に及ぼすことができる。The outer end of the valve spring 13 protruding from the valve hole 11 is always subjected to the centering action from the conical seat 26 of the adjusting plug 14, so that the outer end of the valve spring 13 is always appropriate even if the spool valve 12 moves left and right. The resilient force can be accurately applied to the spool valve 12 while maintaining a proper posture.
【００２１】また円錐状の座部２６は、図３に示すよう
に例えばＤ1 ，Ｄ2 と直径の異なる弁ばね１３に対して
も、そのまゝ使用可能であり、常に調心機能を発揮する
ことができる。したがって、特性を異にする各種ソレノ
イド弁に対して調節栓１４の共通化が可能となり、コス
ト低減を図ることができる。Further conical seat 26, even for the example D 1, D 2 and different valve spring 13 diameter, as shown in FIG. 3, is its orゝavailable, always exhibits a centering function can do. Therefore, the adjustment plug 14 can be used in common for various solenoid valves having different characteristics, and the cost can be reduced.
【００２２】図４は本発明の第２実施例を示す。この実
施例は、調節栓１４の円錐状座部２５ａを凹状に形成
し、この座部２５ａの内周面で弁ばね１３の外端を支承
するようにしたもので、これによっても前実施例と同様
の作用効果を達成することができる。その他の構成は前
実施例と同様であり、図中、前実施例と対応する部分に
は同一の符号を付しておく。FIG. 4 shows a second embodiment of the present invention. In this embodiment, the conical seat 25a of the adjusting plug 14 is formed in a concave shape, and the outer end of the valve spring 13 is supported on the inner peripheral surface of the seat 25a. The same operation and effect as described above can be achieved. The other configuration is the same as that of the previous embodiment, and the same reference numerals in the drawing denote parts corresponding to those of the previous embodiment.
【００２３】尚、上記実施例においては、本発明の要旨
を逸脱することなく種々の設計変更が可能である。例え
ば、これを開閉型のソレノイド弁に構成することもでき
る。In the above embodiment, various design changes can be made without departing from the gist of the present invention. For example, this can be configured as an open / close type solenoid valve.
【００２４】[0024]
【発明の効果】以上のように本発明の第１の特徴によれ
ば、調節栓を、バルブ本体の取付孔に圧入される円筒状
の胴部と、この胴部の内端壁に形成されて周面で弁ばね
を支承する円錐状の座部とから構成し、その胴部の取付
孔への圧入深さにより弁ばねのセット荷重を調節するよ
うにしたので、弁ばねのセット荷重調節後、かしめを行
わずとも調節後の固定状態を保つことができ、しかも円
錐状座部は弁ばねに常に調心作用を与えて、その傾きや
倒れによる弁特性の狂いを回避し得る外、直径の異なる
戻しばねにも対応できるからコスト低減にも寄与し得
る。As described above, according to the first aspect of the present invention, the adjusting plug is formed on the cylindrical body to be pressed into the mounting hole of the valve body and on the inner end wall of the body. And a conical seat that supports the valve spring on the peripheral surface, and the set load of the valve spring is adjusted according to the depth of press-fit into the mounting hole of the body. After that, it is possible to maintain the fixed state after adjustment without performing caulking, and the conical seat always gives the valve spring a centering effect, so that the valve characteristics can be prevented from being out of order due to its inclination and falling, Since it can cope with return springs having different diameters, it can contribute to cost reduction.
【００２５】また本発明の第２の特徴によれば、取付孔
内周面に開口する係止孔をバルブ本体に設け、この係止
孔に係合する突起を調節栓の胴部外周面に形成したの
で、係止孔と突起の係合により調節栓の固定をより確実
に行うことができ、しかも調節栓は取入孔への圧入によ
り既に固定されているから、かしめによる前記突起の形
成時でも調節栓の無用な変位を防ぐことができる。According to a second feature of the present invention, a locking hole is formed in the valve body, the locking hole being opened on the inner peripheral surface of the mounting hole, and a projection engaging with the locking hole is formed on the outer peripheral surface of the body of the adjusting plug. The adjustment plug can be more securely fixed by the engagement of the locking hole and the projection because it is formed, and since the adjustment plug is already fixed by press-fitting into the intake hole, the formation of the projection by caulking is performed. Unnecessary displacement of the control plug can be prevented even at times.
【図１】本発明の第１実施例に係るソレノイドバルブの
縦断側面図FIG. 1 is a longitudinal sectional side view of a solenoid valve according to a first embodiment of the present invention.
【図２】図１の要部の拡大図FIG. 2 is an enlarged view of a main part of FIG. 1;
【図３】同一の調節栓が直径を異にする戻しばねの支承
に対応し得ることを示す説明図FIG. 3 is an illustration showing that the same adjustment tap can accommodate bearings of return springs of different diameters.
【図４】本発明の第２実施例を示す、図２と同様の断面
図FIG. 4 is a sectional view similar to FIG. 2, showing a second embodiment of the present invention;
Ｓ リニアソレノイド部 Ｖ バルブ部 １ ソレノイド弁 １０ バルブ本体 １１ 弁孔 １２ スプール弁 １３ 弁ばね １４ 調節栓 ２２ 取付孔 ２５ 胴部 ２７ 係止孔 ２８ 突起 S Linear solenoid unit V Valve unit 1 Solenoid valve 10 Valve body 11 Valve hole 12 Spool valve 13 Valve spring 14 Adjustment plug 22 Mounting hole 25 Body 27 Locking hole 28 Projection
Claims (2)
ルブ本体（１０）の弁孔（１１）に、ソレノイド部
（Ｓ）に発生する電磁推力により一方向へ押圧されるス
プール弁（１２）を嵌装し、バルブ本体（１０）の他端
に形成した取付孔（２２）に固定される調節栓（１４）
とスプール弁（１２）との間に、該弁（１２）を前記電
磁推力と反対方向へ付勢する弁ばね（１３）を縮設した
ソレノイド弁において、 調節栓（１４）を、バルブ本体（１０）の取付孔（２
２）に圧入される円筒状の胴部（２５）と、この胴部
（２５）の内端壁（２５ａ）に形成されて周面で弁ばね
（１３）を支承する円錐状の座部（２６）とから構成
し、その胴部（２５）の取付孔（２２）への圧入深さに
より弁ばね（１３）のセット荷重を調節するようにした
ことを特徴とする、ソレノイド弁。A spool valve (12) which is pressed in one direction by an electromagnetic thrust generated in a solenoid part (S) into a valve hole (11) of a valve body (10) having a solenoid part (S) attached to one end. And an adjusting plug (14) fixed to a mounting hole (22) formed at the other end of the valve body (10).
A solenoid valve having a valve spring (13) for urging the valve (12) in a direction opposite to the electromagnetic thrust between the valve body (12) and the spool valve (12). 10) Mounting holes (2
2) and a conical seat (25) formed on the inner end wall (25a) of the body (25) and supporting the valve spring (13) on its peripheral surface. 26), wherein the set load of the valve spring (13) is adjusted by the press-fit depth of the body (25) into the mounting hole (22).
ブ本体（１０）に設け、この係止孔（２７）に係合する
突起（２８）を調節栓（１４）の胴部（２５）外周面に
形成したことを特徴とするソレノイド弁。2. The valve body (10) according to claim 1, wherein a locking hole (27) opening on the inner peripheral surface of the mounting hole (22) is provided in the valve body (10) and is engaged with the locking hole (27). A solenoid valve, wherein a projection (28) is formed on an outer peripheral surface of a body (25) of an adjustment plug (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9529594A JP2704830B2 (en) | 1994-05-09 | 1994-05-09 | Solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9529594A JP2704830B2 (en) | 1994-05-09 | 1994-05-09 | Solenoid valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07301346A JPH07301346A (en) | 1995-11-14 |
| JP2704830B2 true JP2704830B2 (en) | 1998-01-26 |
Family
ID=14133788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9529594A Expired - Lifetime JP2704830B2 (en) | 1994-05-09 | 1994-05-09 | Solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2704830B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000130629A (en) * | 1998-10-23 | 2000-05-12 | Aisin Seiki Co Ltd | Spool valve type solenoid valve |
| DE102009052076A1 (en) * | 2009-11-05 | 2011-05-12 | Robert Bosch Gmbh | valve assembly |
| CN108150570A (en) * | 2017-11-20 | 2018-06-12 | 安徽省华象铜业有限公司 | A kind of valve inner spring retainer elements |
-
1994
- 1994-05-09 JP JP9529594A patent/JP2704830B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07301346A (en) | 1995-11-14 |
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