JPH1038126A - Electromagnetic valve - Google Patents
Electromagnetic valveInfo
- Publication number
- JPH1038126A JPH1038126A JP18976196A JP18976196A JPH1038126A JP H1038126 A JPH1038126 A JP H1038126A JP 18976196 A JP18976196 A JP 18976196A JP 18976196 A JP18976196 A JP 18976196A JP H1038126 A JPH1038126 A JP H1038126A
- Authority
- JP
- Japan
- Prior art keywords
- mover
- valve
- elastically deformable
- coil
- holding sleeve
- 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
- Magnetically Actuated Valves (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、電気的にバルブの
開閉を行う電磁弁に関する。The present invention relates to a solenoid valve for electrically opening and closing a valve.
【0002】[0002]
【従来の技術】電磁弁は、弁体を駆動する可動子を備え
る。この可動子は、可動子保持スリーブに内包された状
態で電磁弁に組み付けられる。この可動子保持スリーブ
は、可動子の周囲を覆って摺接する筒部と、可動子の反
弁体側の移動範囲を規制する規制部とを一体に設けたも
ので、コイルの内側に固定される。2. Description of the Related Art A solenoid valve has a mover for driving a valve element. This mover is assembled to the solenoid valve while being contained in the mover holding sleeve. This mover holding sleeve is provided integrally with a cylindrical portion that covers and slides around the mover and a regulating portion that regulates a moving range of the mover on the side opposite to the valve body, and is fixed inside the coil. .
【0003】この可動子保持スリーブを固定する技術と
しては、可動子保持スリーブの弁体側の端をフランジ状
に設け、そのフランジ部を磁気回路を構成するヨークの
端に溶接で接合する固定技術が知られているとともに、
磁気回路を構成するプレートの端部とフランジ部との間
にウエーブワッシャを介在させ、ヨークの端でフランジ
部をプレート側に押し付け、ウエーブワッシャを弾性変
形させて可動子保持スリーブを固定する固定技術が知ら
れている。As a technique for fixing the mover holding sleeve, there is a fixing technique in which a valve element side end of the mover holding sleeve is provided in a flange shape, and the flange portion is welded to an end of a yoke constituting a magnetic circuit. Known and
A fixing technology that interposes a wave washer between the end of the plate that forms the magnetic circuit and the flange, presses the flange against the plate at the end of the yoke, elastically deforms the wave washer, and fixes the mover holding sleeve. It has been known.
【0004】[0004]
【発明が解決しようとする課題】溶接で可動子保持スリ
ーブをヨークに固定する技術は、電磁弁の製造工程にお
いて、溶接工程を必要とするため、工程数が増加すると
ともに、溶接機を使用することによる設備費増により、
電磁弁のコストが上昇する不具合が生じる。また、ウエ
ーブワッシャ等の固定部材を別途用いて可動子保持スリ
ーブを固定する技術は、部品点数の増加によって、電磁
弁のコストが上昇する不具合が生じる。The technique of fixing the armature holding sleeve to the yoke by welding requires a welding step in the manufacturing process of the solenoid valve, so that the number of steps is increased and a welding machine is used. Increase in equipment costs
A problem arises in that the cost of the solenoid valve increases. In addition, the technique of fixing the mover holding sleeve by separately using a fixing member such as a wave washer causes a problem that the cost of the solenoid valve increases due to an increase in the number of parts.
【0005】[0005]
【発明の目的】本発明は、上記の事情に鑑みてなされた
もので、その目的は、可動子保持スリーブを固定するた
めに、特別な接合工程や、特別な固定部材を必要としな
い電磁弁の提供にある。SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to fix an electromagnetic valve which does not require a special joining step or a special fixing member to fix a mover holding sleeve. In the offer.
【0006】[0006]
【課題を解決するための手段】請求項1を採用したこと
により、可動子保持スリーブの端部に一体に設けられた
弾性変形部が、従来のウエーブワッシャのように作用し
て、可動子保持スリーブが電磁弁に固定される。つま
り、可動子保持スリーブは、溶接等の接合工程や、ウエ
ーブワッシャ等の特別な固定部材を用いることなく、電
磁弁に固定される。このように、工程数の低減、あるい
は部品点数の減少により、電磁弁の組付が容易となると
ともに、電磁弁の製造コストを低く抑えることができ
る。According to the first aspect of the present invention, the elastically deformable portion integrally provided at the end of the movable member holding sleeve acts like a conventional wave washer, thereby holding the movable member. The sleeve is fixed to the solenoid valve. That is, the mover holding sleeve is fixed to the solenoid valve without using a joining process such as welding or using a special fixing member such as a wave washer. As described above, the reduction in the number of steps or the number of parts makes it easy to assemble the solenoid valve and can reduce the manufacturing cost of the solenoid valve.
【0007】また、請求項2を採用すると、弾性変形部
を凹凸部として先端をプレートあるいはコイルボビンに
当接させて保持させることで、軸方向の寸法誤差を吸収
できる。さらに、弾性変形部の先端をプレートあるいは
コイルボビンに当接させることで、磁気回路の変更なし
で可動子保持スリーブを形成できる。According to the second aspect of the present invention, the elastic deformation portion is formed as an uneven portion, and the tip is held in contact with the plate or the coil bobbin, so that a dimensional error in the axial direction can be absorbed. Further, by contacting the tip of the elastic deformation portion with the plate or the coil bobbin, the mover holding sleeve can be formed without changing the magnetic circuit.
【0008】[0008]
【発明の実施の形態】次に、発明の実施の形態を、実施
例および変形例に基づき説明する。 〔実施例の構成〕図1は本発明が適用された電磁弁の断
面図を示す。なお、この実施例に示す電磁弁は、無通電
時に油圧によって弁体がオープン位置に移動するノーマ
リーオープンタイプの油路切り替え用のものである。Next, embodiments of the present invention will be described based on examples and modifications. FIG. 1 is a sectional view of a solenoid valve to which the present invention is applied. The solenoid valve shown in this embodiment is for a normally open type oil passage switching in which the valve body moves to an open position by hydraulic pressure when no power is supplied.
【0009】電磁弁1は、通電を受けて磁力を発生する
コイル2を備える。このコイル2は、樹脂製ベース3に
よって形成されたコイルボビン3aの周囲に巻回された
もので、コイル2の端部は、ベース3に固定されたター
ミナル4に接続されている。なお、ターミナル4の周囲
には、ターミナル4接続用の樹脂製コネクタ部5が設け
られている。また、ベース3には、油圧の供給を受ける
インポート3b、このインポート3bに同軸的に設けら
れた弁座3c、インポート3bおよび弁座3cに対して
垂直方向に設けられた流出用のアウトポート3dが設け
られてる。The solenoid valve 1 has a coil 2 that generates a magnetic force when energized. The coil 2 is wound around a coil bobbin 3 a formed by a resin base 3, and an end of the coil 2 is connected to a terminal 4 fixed to the base 3. A resin connector 5 for connecting the terminal 4 is provided around the terminal 4. Further, the base 3 has an import 3b for receiving a supply of hydraulic pressure, a valve seat 3c provided coaxially with the import 3b, and an outflow port 3d provided in a direction perpendicular to the import 3b and the valve seat 3c. Is provided.
【0010】電磁弁1は、コイル2の発生した磁力によ
って磁気回路の一部を構成する磁性体金属製のプレート
6およびヨーク7を備える。プレート6は、ベース3内
にモールド固定されたもので、コイル2の内側に配置さ
れるプレート内周部6aの内側に、円筒状の弁体用スリ
ーブ8が圧入されている。The solenoid valve 1 includes a magnetic metal plate 6 and a yoke 7 which form a part of a magnetic circuit by the magnetic force generated by the coil 2. The plate 6 is molded and fixed in the base 3, and a cylindrical valve body sleeve 8 is press-fitted inside a plate inner peripheral portion 6 a arranged inside the coil 2.
【0011】この弁体用スリーブ8は、その内側におい
て、弁体9を軸方向に摺動自在に支持するものである。
なお、弁体用スリーブ8も磁性体金属製で、プレート6
に磁気的に結合して磁気回路の一部を構成している。弁
体9は、ステンレスなどの非磁性体金属製で、弁体用ス
リーブ8によって弁座3cに対して同軸的に配置され
る。この弁体9は、略棒状を呈し、その両端はそれぞれ
略球状に設けられており、その一端は弁座3cに当接し
て弁座3cを閉塞可能に設けられている。The valve body sleeve 8 supports the valve body 9 inside the sleeve so as to be slidable in the axial direction.
The valve sleeve 8 is also made of magnetic metal, and the plate 6
To form a part of a magnetic circuit. The valve element 9 is made of a nonmagnetic metal such as stainless steel, and is disposed coaxially with the valve seat 3c by the valve element sleeve 8. The valve body 9 has a substantially rod shape, and both ends thereof are provided in a substantially spherical shape, and one end thereof is provided so as to be in contact with the valve seat 3c so as to close the valve seat 3c.
【0012】ヨーク7は、コイルボビン3aの後方(図
右側)から取り付けられるもので、コイルボビン3aの
内側に挿入されるヨーク内周部7aと、コイルボビン3
aの外側を覆う外周部7bとを備え、この外周部7bの
前端(図左側の端)が内側にカシメられて固定されてい
る。The yoke 7 is attached from the rear (right side in the figure) of the coil bobbin 3a, and includes a yoke inner peripheral portion 7a inserted inside the coil bobbin 3a, and a coil bobbin 3a.
and an outer peripheral portion 7b that covers the outside of the outer peripheral portion 7a. The front end (the left end in the figure) of the outer peripheral portion 7b is caulked inward and fixed.
【0013】ヨーク内周部7aの内側には、ステンレス
などの非磁性体金属製の薄板をプレス形成した略カップ
状を呈した可動子保持スリーブ10が組み付けられてい
る。この可動子保持スリーブ10は、弁座3cおよび弁
体9に対して同軸に配置される略円柱状の可動子11を
軸方向に案内するもので、可動子11の周囲を覆って可
動子11を軸方向に摺動自在に支持する筒部10aと、
弁体9とは異なった側(後端側)の可動子11の移動範
囲を規制する規制部10bとを備える。A mover holding sleeve 10 having a substantially cup shape formed by pressing a thin plate made of a nonmagnetic metal such as stainless steel is assembled inside the yoke inner peripheral portion 7a. The mover holding sleeve 10 axially guides a substantially cylindrical mover 11 disposed coaxially with the valve seat 3c and the valve element 9, and covers the mover 11 around the mover 11. A cylindrical portion 10a that slidably supports in the axial direction;
A regulating portion for regulating a moving range of the mover on a side (rear end side) different from the valve body;
【0014】また、可動子保持スリーブ10の弁体9側
の端(前端)には、軸方向に弾性変形可能な弾性変形部
10cが一体に設けられている。この弾性変形部10c
は、プレート内周部6a(他の部材に相当する)の先端
部6a’に当接し、弾性変形した状態で固定されるもの
で、断面が略S字状の凹凸形状に設けられている。この
凹凸形状に設けられた弾性変形部10cの根元部10
c’が、ヨーク内周部7aの先端部7a’によってプレ
ート6(他の部材に相当する)に向けて押し付けられて
おり、これによって、弾性変形部10cが弾性変形した
状態で固定される。An elastically deformable portion 10c that is elastically deformable in the axial direction is integrally provided at the end (front end) of the mover holding sleeve 10 on the valve body 9 side. This elastic deformation portion 10c
Is in contact with the tip end 6a 'of the plate inner peripheral portion 6a (corresponding to another member) and is fixed in an elastically deformed state, and is provided with a concave and convex shape having a substantially S-shaped cross section. Root portion 10 of elastic deformation portion 10c provided in this uneven shape
c ′ is pressed toward the plate 6 (corresponding to another member) by the tip end portion 7a ′ of the yoke inner peripheral portion 7a, whereby the elastically deformable portion 10c is fixed in an elastically deformed state.
【0015】可動子11は、可動子保持スリーブ10に
よって、弁体9と同軸的にコイル2内に保持されたもの
で、コイル2が通電を受けて磁力を発生すると、弁体用
スリーブ8に吸引されて、プレート6、ヨーク7、弁体
用スリーブ8とともに閉じた磁気回路を構成する。な
お、可動子11が弁体用スリーブ8に吸引されると、弁
体9を弁座3cに押し付けて弁座3cを閉じる。The mover 11 is held in the coil 2 coaxially with the valve body 9 by the mover holding sleeve 10. When the coil 2 receives a current and generates a magnetic force, the valve body sleeve 8 The magnetic circuit is sucked and forms a closed magnetic circuit together with the plate 6, the yoke 7, and the sleeve 8 for the valve body. When the mover 11 is sucked into the valve body sleeve 8, the valve body 9 is pressed against the valve seat 3c to close the valve seat 3c.
【0016】〔電磁弁1の作動〕次に、電磁弁1の無通
電時および通電時の作動を説明する。 (無通電時)ターミナル4に電源の供給が無い場合、コ
イル2は磁力を発生せず、弁体9は可動子11とともに
摺動自在な状態にある。このため、インポート3bから
供給される油圧によって、弁体9が弁座3cから離れ、
インポート3bに供給されるオイルは、弁座3cを介し
てアウトポート3dへ流出する。[Operation of Solenoid Valve 1] Next, the operation of the solenoid valve 1 when not energized and when energized will be described. When no power is supplied to the terminal 4 (when no power is supplied), the coil 2 does not generate a magnetic force, and the valve 9 is slidable together with the mover 11. For this reason, the valve element 9 separates from the valve seat 3c by the hydraulic pressure supplied from the import 3b,
The oil supplied to the import 3b flows out to the out port 3d via the valve seat 3c.
【0017】(通電時)ターミナル4に電源が供給され
るとコイル2が磁力を発生し、可動子11が吸引され供
給油圧の付勢力に打ち勝って弁体9を弁座3cに押し付
ける。このため、弁座3cが閉塞し、インポート3bか
らアウトポート3dへのオイルの流出が遮断される。(Electrification) When power is supplied to the terminal 4, the coil 2 generates a magnetic force, and the movable element 11 is attracted and overcomes the urging force of the supplied hydraulic pressure to press the valve 9 against the valve seat 3c. For this reason, the valve seat 3c is closed, and the outflow of oil from the import 3b to the out port 3d is shut off.
【0018】〔電磁弁1の製造工程〕次に、上記構成の
電磁弁1の組付け順序を説明する。 1)プレート6を樹脂モールド製のベース3にインサー
ト成形する。 2)コイルボビン3aにコイル2を巻回した後、所定形
状に曲げ加工したターミナル4をベース3に圧入し、コ
イル2の先端末をフュージング固定する。なお、この工
程に代えて、真っ直ぐなターミナル4をベース3に圧入
した後、コイルボビン3aにコイル2を巻回し、ターミ
ナル4を所定形状に曲げ加工し、その後にコイル2の先
端末をフュージング固定しても良い。[Manufacturing Process of Solenoid Valve 1] Next, the order of assembling the solenoid valve 1 having the above-described structure will be described. 1) The plate 6 is insert-molded on the base 3 made of a resin mold. 2) After winding the coil 2 around the coil bobbin 3a, the terminal 4 bent into a predetermined shape is press-fitted into the base 3, and the leading end of the coil 2 is fixed by fusing. Instead of this step, after the straight terminal 4 is press-fitted into the base 3, the coil 2 is wound around the coil bobbin 3a, the terminal 4 is bent into a predetermined shape, and then the leading end of the coil 2 is fixed by fusing. May be.
【0019】3)コネクタ部5を樹脂モールド成形す
る。 4)プレート内周部6aの内側に弁体用スリーブ8を圧
入する。この時、弁体用スリーブ8がベース3に当接す
る位置まで圧入する。 5)弁体用スリーブ8の内側に弁体9を挿入する。 6)可動子保持スリーブ10内に可動子11を挿入し、
これをコイルボビン3aの内側に挿入する。 7)最後に、コイルボビン3aと可動子保持スリーブ1
0の間に、ヨーク内周部7aが挿入されるように、ヨー
ク7を組付け、ヨーク7の前端をプレート6側にカシメ
て固定する。この時、弾性変形部10cがプレート6と
ヨーク7との間で弾性変形して、軸方向の寸法誤差を吸
収する。3) The connector portion 5 is formed by resin molding. 4) The sleeve 8 for the valve body is press-fitted inside the inner peripheral portion 6a of the plate. At this time, the valve body sleeve 8 is press-fitted to a position where it comes into contact with the base 3. 5) Insert the valve element 9 inside the valve element sleeve 8. 6) Insert the mover 11 into the mover holding sleeve 10;
This is inserted inside the coil bobbin 3a. 7) Finally, the coil bobbin 3a and the mover holding sleeve 1
The yoke 7 is assembled so that the inner peripheral portion 7a of the yoke is inserted between the positions 0, and the front end of the yoke 7 is caulked and fixed to the plate 6 side. At this time, the elastic deformation portion 10c elastically deforms between the plate 6 and the yoke 7, thereby absorbing a dimensional error in the axial direction.
【0020】〔実施例の効果〕本実施例の電磁弁1は、
上記の製造工程で示したように、可動子保持スリーブ1
0の端部に一体に設けられた弾性変形部10cが、従来
のウエーブワッシャのように作用して、可動子保持スリ
ーブ10が電磁弁1に固定される。つまり、可動子保持
スリーブ10は、溶接等の接合工程や、ウエーブワッシ
ャ等の特別な固定部材を用いることなく、電磁弁1に固
定される。このように、従来に比較して、工程数の低
減、あるいは部品点数の減少により、電磁弁1の組付が
容易となるとともに、電磁弁1の製造コストを低く抑え
ることができる。[Effects of the Embodiment] The solenoid valve 1 of this embodiment is
As shown in the above manufacturing process, the mover holding sleeve 1
The elastically deforming portion 10c integrally provided at the end of the zero acts as a conventional wave washer, and the mover holding sleeve 10 is fixed to the solenoid valve 1. That is, the mover holding sleeve 10 is fixed to the solenoid valve 1 without using a joining step such as welding or using a special fixing member such as a wave washer. Thus, as compared with the related art, the number of steps or the number of parts is reduced, so that the assembling of the solenoid valve 1 is facilitated and the manufacturing cost of the solenoid valve 1 can be reduced.
【0021】また、弾性変形部10cを断面凹凸形状に
設け、その先端をプレート6の先端部6a’に当接させ
て保持させることで、プレート6と可動子保持プレート
10の間に生じる軸方向の寸法誤差を、弾性変形部10
cの変形量によって吸収できる。さらに、弾性変形部1
0cの先端をプレート6の先端部6a’に当接させるこ
とで、磁気回路を従来構造に対して変更することなく、
可動子保持スリーブ10を形成できる。The elastically deforming portion 10c is provided in an uneven shape in cross section, and its tip is held in contact with the tip portion 6a 'of the plate 6 so that an axial direction generated between the plate 6 and the armature holding plate 10 is obtained. Of the elastic deformation part 10
It can be absorbed by the deformation amount of c. Further, the elastic deformation portion 1
By abutting the tip of Oc on the tip 6a 'of the plate 6, the magnetic circuit is not changed from the conventional structure.
The mover holding sleeve 10 can be formed.
【0022】〔変形例〕上記の実施例では、無通電時に
油圧によって弁体9がオープン位置に移動する電磁弁1
に本発明を適用した例に示したが、弁体9をスプリング
で付勢し、コイル2が通電されると可動子11がスプリ
ングの付勢力に打ち勝って弁体9を駆動する電磁弁1に
本発明を適用しても良い。[Modification] In the above embodiment, the solenoid valve 1 in which the valve body 9 is moved to the open position by hydraulic pressure when no power is supplied.
The present invention is applied to the solenoid valve 1 which urges the valve element 9 with a spring, and when the coil 2 is energized, the mover 11 overcomes the urging force of the spring to drive the valve element 9. The present invention may be applied.
【0023】上記の実施例では、略S字形の凹凸によっ
て弾性変形部10cを構成した例を示したが、ジグザク
形の凹凸によって弾性変形部10cを構成したり、凸の
みによって弾性変形部10cを構成するなど、他の形状
で弾性変形部10cを構成しても良い。上記の実施例で
は、弾性変形部10cがプレート6に当接して弾性変形
する例を示したが、弁体用スリーブ8に当接して弾性変
形するように設けたり、コイルボビン3aに当接して弾
性変形するように設けても良い。In the above embodiment, an example in which the elastically deformable portion 10c is constituted by the substantially S-shaped unevenness is shown. For example, the elastically deformable portion 10c may be formed in another shape. In the above-described embodiment, an example in which the elastic deformation portion 10c is elastically deformed by contacting the plate 6 has been described. It may be provided so as to be deformed.
【図1】電磁弁1の断面図である。FIG. 1 is a sectional view of a solenoid valve 1. FIG.
1 電磁弁 2 コイル 3a コイルボビン 3c 弁座 6 プレート 6a’ プレートの先端部 7 ヨーク 7a’ ヨークの先端部 9 弁体 10 可動子保持スリーブ 10a 筒部 10b 規制部 10c 弾性変形部 10c’ 根元部 11 可動子 REFERENCE SIGNS LIST 1 solenoid valve 2 coil 3 a coil bobbin 3 c valve seat 6 plate 6 a ′ tip of plate 7 yoke 7 a ′ tip of yoke 9 valve body 10 mover holding sleeve 10 a cylindrical portion 10 b regulating portion 10 c elastic deformation portion 10 c ′ root portion 11 movable Child
Claims (2)
定方向へ付勢する可動子と、 (e)この可動子の周囲を覆うとともに、前記可動子を
保持する保持部と、前記可動子の移動範囲を規制する規
制部と、前記弁体側に設けられた弾性変形可能な弾性変
形部とが一体に設けられ、前記弾性変形部が他の部材に
当接して弾性変形した状態で固定される可動子保持スリ
ーブとを備える電磁弁。(A) a valve seat through which a fluid can pass; (b) a movable valve body that opens and closes the valve seat; (c) a coil that generates a magnetic force when energized; (d) A mover for urging the valve body in a predetermined direction by receiving a magnetic force generated by the coil; (e) a holder for covering the periphery of the mover and holding the mover; A movable portion in which a regulating portion for regulating the range and an elastically deformable elastically deformable portion provided on the valve body side are integrally provided, and the elastically deformable portion abuts on another member and is fixed in an elastically deformed state. An electromagnetic valve comprising a child holding sleeve.
側の根元部は、磁気回路の一部を構成するヨークの先端
部によって前記他の部材に向けて押し付けられ、 前記弾性変形部と当接する前記他の部材は、磁気回路の
一部を構成するプレート、または前記コイルが巻回され
たコイルボビンであることを特徴とする電磁弁。2. The solenoid valve according to claim 1, wherein the elastically deformable portion is provided in an uneven shape, and a root of the cylindrical portion is formed by a tip of a yoke constituting a part of a magnetic circuit. The electromagnetic valve, wherein the other member that is pressed toward the member and that is in contact with the elastic deformation portion is a plate that forms a part of a magnetic circuit or a coil bobbin around which the coil is wound.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18976196A JP3671524B2 (en) | 1996-07-18 | 1996-07-18 | solenoid valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18976196A JP3671524B2 (en) | 1996-07-18 | 1996-07-18 | solenoid valve |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH1038126A true JPH1038126A (en) | 1998-02-13 |
JP3671524B2 JP3671524B2 (en) | 2005-07-13 |
Family
ID=16246745
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18976196A Expired - Lifetime JP3671524B2 (en) | 1996-07-18 | 1996-07-18 | solenoid valve |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3671524B2 (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001187978A (en) * | 1999-12-28 | 2001-07-10 | Matsushita Electric Ind Co Ltd | Shutoff valve |
US6378840B1 (en) | 1999-09-13 | 2002-04-30 | Denso Corporation | Electromagnetic valve |
US6547215B2 (en) | 2000-02-16 | 2003-04-15 | Denso Corporation | Electromagnetic valve having nonmagnetic member between stator core and moving core |
US6688334B2 (en) | 2001-03-29 | 2004-02-10 | Denso Corporation | Solenoid valve with improved magnetic attractive force |
JP2007182938A (en) * | 2006-01-06 | 2007-07-19 | Denso Corp | Electromagnetic valve |
WO2008151867A1 (en) * | 2007-06-11 | 2008-12-18 | Robert Bosch Gmbh | Solenoid valve |
DE10051614B4 (en) * | 1999-10-19 | 2009-07-02 | DENSO CORPORARTION, Kariya-shi | Electromagnetic valve |
CN103047468A (en) * | 2011-10-14 | 2013-04-17 | Svm舒兹特管理顾问股份有限公司 | Solenoid |
-
1996
- 1996-07-18 JP JP18976196A patent/JP3671524B2/en not_active Expired - Lifetime
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6378840B1 (en) | 1999-09-13 | 2002-04-30 | Denso Corporation | Electromagnetic valve |
DE10051614B4 (en) * | 1999-10-19 | 2009-07-02 | DENSO CORPORARTION, Kariya-shi | Electromagnetic valve |
JP2001187978A (en) * | 1999-12-28 | 2001-07-10 | Matsushita Electric Ind Co Ltd | Shutoff valve |
JP4547751B2 (en) * | 1999-12-28 | 2010-09-22 | パナソニック株式会社 | Shut-off valve |
US6547215B2 (en) | 2000-02-16 | 2003-04-15 | Denso Corporation | Electromagnetic valve having nonmagnetic member between stator core and moving core |
US6688334B2 (en) | 2001-03-29 | 2004-02-10 | Denso Corporation | Solenoid valve with improved magnetic attractive force |
US6883544B2 (en) | 2001-03-29 | 2005-04-26 | Denso Corporation | Solenoid valve with improved magnetic attractive force |
JP2007182938A (en) * | 2006-01-06 | 2007-07-19 | Denso Corp | Electromagnetic valve |
JP4618133B2 (en) * | 2006-01-06 | 2011-01-26 | 株式会社デンソー | solenoid valve |
WO2008151867A1 (en) * | 2007-06-11 | 2008-12-18 | Robert Bosch Gmbh | Solenoid valve |
CN103047468A (en) * | 2011-10-14 | 2013-04-17 | Svm舒兹特管理顾问股份有限公司 | Solenoid |
CN103047468B (en) * | 2011-10-14 | 2017-06-06 | Svm舒兹特管理顾问股份有限公司 | Electromagnet |
Also Published As
Publication number | Publication date |
---|---|
JP3671524B2 (en) | 2005-07-13 |
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