JPH0215750B2 - - Google Patents
Info
- Publication number
- JPH0215750B2 JPH0215750B2 JP56164479A JP16447981A JPH0215750B2 JP H0215750 B2 JPH0215750 B2 JP H0215750B2 JP 56164479 A JP56164479 A JP 56164479A JP 16447981 A JP16447981 A JP 16447981A JP H0215750 B2 JPH0215750 B2 JP H0215750B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- welded
- tubular
- solenoid
- plunger
- 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
- 239000000696 magnetic material Substances 0.000 claims description 28
- 238000003466 welding Methods 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 9
- 239000011651 chromium Substances 0.000 description 8
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 7
- 229910052804 chromium Inorganic materials 0.000 description 7
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 3
- 238000010894 electron beam technology Methods 0.000 description 3
- 229910000976 Electrical steel Inorganic materials 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 229910001105 martensitic stainless steel Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/16—Rectilinearly-movable armatures
- H01F7/1607—Armatures entering the winding
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Magnetically Actuated Valves (AREA)
- Arc Welding In General (AREA)
- Electromagnets (AREA)
Description
【発明の詳細な説明】
本発明はソレノイド用のプランジヤガイドおよ
びその製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a plunger guide for a solenoid and a method for manufacturing the same.
電磁弁の弁体用の駆動装置等として使用される
ソレノイドには、第１図に示されるようにコイル
ａの中に金属製の管状のプランジヤガイドｂを挿
通し、そのプランジヤガイドｂ内に可動鉄心すな
わちプランジヤｃを移動可能に収容している構造
のものがある。このようなプランジヤガイドを使
用したソレノイドにおいては、コイルａを取り巻
くヨークｄとソレノイドｃとの間の磁気の流れを
良好ならしめるとともにプランジヤガイドを介し
ての磁気漏れを防止して磁気効率を向上させるた
めに、プランジヤガイドに磁性部分ｅ，ｆと非磁
性部分ｇとを形成している。 As shown in Fig. 1, a solenoid used as a drive device for a valve body of an electromagnetic valve has a metal tubular plunger guide b inserted into a coil a, and a solenoid that is movable within the plunger guide b. Some have a structure in which an iron core, that is, a plunger c is movably housed. In a solenoid using such a plunger guide, magnetic efficiency is improved by improving the magnetic flow between the yoke d surrounding the coil a and the solenoid c, and preventing magnetic leakage through the plunger guide. Therefore, the plunger guide is formed with magnetic parts e and f and a non-magnetic part g.
このような磁性部分と非磁性部分とから成るプ
ランジヤガイドをつくる場合、従来においては固
定鉄心と一体的に形成された或はそれとは別個に
形成された軟鋼、シリコン鋼或はマルテンサイト
系ステンレス鋼の磁性部分ｅと同様材質の他の磁
性部分ｆとの間に、例えばSUS304、SUS316等
のオーステナイト系ステンレス鋼でつくられた非
磁性部分ｇを挾み、それらを銀ろう付け、又は溶
接（プラズマ溶接、TIG溶接、電子ビーム溶接）
により接合している。 When making such a plunger guide consisting of a magnetic part and a non-magnetic part, conventionally, mild steel, silicon steel, or martensitic stainless steel, which is formed integrally with the fixed iron core or separately from it, is used. A non-magnetic part g made of austenitic stainless steel such as SUS304 or SUS316 is sandwiched between the magnetic part e and another magnetic part f made of the same material, and they are silver-brazed or welded (plasma welding, TIG welding, electron beam welding)
It is joined by
ところで磁性部分と非磁性部分とを銀ろう付け
により接合した場合、その接合部分は完全な非磁
性組織を成しているため磁気特性上問題はない
が、プランジヤガイド自身の肉厚が薄いため接合
強度上問題がある。このため十分な接合強度が得
られる溶接による接合が行なわれている。 By the way, when the magnetic part and the non-magnetic part are joined by silver brazing, the joined part has a completely non-magnetic structure, so there is no problem in terms of magnetic properties, but the thickness of the plunger guide itself is thin, so the joining is difficult. There is a problem with strength. For this reason, joining is performed by welding, which provides sufficient joint strength.
しかしながら溶接法を採用した従来のプランジ
ヤガイドでは溶接部分が磁性と非磁性の中間的性
質をおびるため、ソレノイドの設計上問題が生ず
る。すなわち溶接部分（磁性部分と非磁性部分の
当接部が互いに溶け合つている部分）ｈ（第２図）
の幅Ｗは、プラズマ溶接、TIG溶接の場合には１
〜２mm、電子ビーム溶接の場合には0.5〜1.0mmに
なるが、固定鉄心端面からプランジヤに最大吸引
力を作用させるべきプランジヤの位置までの距離
（以下設計ストロークと呼ぶ）が所定の値（例え
ば１〜２mm）になるようにソレノイドを設計する
にあたり、溶接部分を磁性部分とみなして設計す
ると中間磁性のため磁気効率が低下し又溶接部分
を非磁性部分とみなして設計すると設計ストロー
ク位置でプランジヤからプランジヤガイドへの磁
束漏れが発生し、いずれにしろ設計ストローク位
置で設計通りの吸引力が得られないという問題が
ある。 However, in conventional plunger guides that employ the welding method, the welded portion has an intermediate property between magnetic and non-magnetic, which poses a problem in the design of the solenoid. In other words, the welded part (the part where the abutting parts of the magnetic part and the non-magnetic part melt into each other) h (Fig. 2)
The width W is 1 in the case of plasma welding and TIG welding.
~2 mm, and 0.5 to 1.0 mm in the case of electron beam welding, but if the distance from the end face of the fixed core to the position of the plunger where the maximum suction force is to be applied to the plunger (hereinafter referred to as the design stroke) is a predetermined value (e.g. 1 to 2 mm), if the welded part is considered to be a magnetic part, the magnetic efficiency will decrease due to intermediate magnetism, and if the welded part is designed to be considered to be a non-magnetic part, the plunger will not move at the designed stroke position. There is a problem in that magnetic flux leaks from the piston to the plunger guide, and in any case, the designed suction force cannot be obtained at the designed stroke position.
特に設計ストロークが１〜２mmと小さいとき、
固定鉄心ｉ側の磁性部分（第１図で部分ｅ）と非
磁性部分との溶接部分ｈの磁気的性質は、ソレノ
イドが設計通りの特性を発揮するかどうかに、大
きな影響を及ぼす。 Especially when the design stroke is as small as 1 to 2 mm,
The magnetic properties of the welded part h between the magnetic part (part e in FIG. 1) and the non-magnetic part on the i side of the fixed core have a large influence on whether the solenoid exhibits the designed characteristics.
本発明はかかる問題に鑑みてなされたものであ
つて、その目的とするところは、十分な機械的強
度を有ししかもソレノイドに設計通りの性能を発
揮させ得るような磁気的特性を有するソレノイド
用プランジヤガイドおよびその製造方法を得供す
ることにある。 The present invention was made in view of this problem, and its purpose is to provide a solenoid with sufficient mechanical strength and magnetic properties that enable the solenoid to perform as designed. An object of the present invention is to provide a plunger guide and a method for manufacturing the same.
本願の一つの発明は、非磁性部分と該非磁性部
分の両端に溶接された磁性部分とを有し、環状の
コイル内に挿入されて中でソレノイドのプランジ
ヤを移動可能に案内するプランジヤガイドにおい
て、該磁性部分と非磁性部分との溶接部分の少な
くとも一方が非磁性になつている。 One invention of the present application is a plunger guide that has a non-magnetic part and a magnetic part welded to both ends of the non-magnetic part, and is inserted into an annular coil and movably guides a plunger of a solenoid therein. At least one of the welded portions between the magnetic portion and the non-magnetic portion is non-magnetic.
本願の他の発明は非磁性部分と該非磁性部分の
両端に溶接された磁性部分とを有し、環状のコイ
ル内に挿入されて中でソレノイドのプランジヤを
移動可能に案内するプランジヤガイドを製造する
方法において、磁性材の管状部分と少なくとも一
端が該磁性材の管状部分より大なる肉厚を有する
非磁性材の管状部分とを当接させて該当接部分で
両管状部分を溶接し、溶接時の非磁性材管状部分
の溶解容積を該磁性管状部分の溶解容積より大き
くさせ、それによつて溶接部分を非磁性にするよ
うに構成されている。 Another invention of the present application manufactures a plunger guide that has a non-magnetic part and a magnetic part welded to both ends of the non-magnetic part, and is inserted into an annular coil and movably guides a plunger of a solenoid therein. In the method, a tubular part of a magnetic material and a tubular part of a non-magnetic material, at least one end of which has a wall thickness greater than that of the tubular part of the magnetic material, are brought into contact with each other, and both tubular parts are welded at the corresponding contact part. The melting volume of the non-magnetic tubular portion is larger than the melting volume of the magnetic tubular portion, thereby rendering the welded portion non-magnetic.
本願の更に他の発明は、非磁性部分と該非磁性
部分の両端に溶接された磁性部分とを有し、環状
のコイル内に挿入されて中でソレノイドのプラン
ジヤを移動可能に案内するプランジヤガイドを製
造する方法において、互いにほぼ同じ肉厚を有す
る磁性材の管状部分と非磁性材の管状部分とを当
接させて該当接部分で両管状部分を溶接し、該非
磁性材の非磁性化元素の含有量を溶接部が非磁性
になるように決定するように構成されている。 Still another invention of the present application provides a plunger guide which has a non-magnetic part and a magnetic part welded to both ends of the non-magnetic part, and which is inserted into an annular coil and movably guides a plunger of a solenoid therein. In the manufacturing method, a tubular part of a magnetic material and a tubular part of a non-magnetic material, which have approximately the same wall thickness, are brought into contact with each other, and the two tubular parts are welded at the corresponding contact part, and the non-magnetizing element of the non-magnetic material is removed. The content is configured to be determined such that the weld is non-magnetic.
以下図面を参照して本発明によるプランジヤガ
イドの製造方法の実施例について説明する。 Embodiments of the method for manufacturing a plunger guide according to the present invention will be described below with reference to the drawings.
第３図において、本発明の製造方法の第１の実
施例が示されている。この実施例において最終の
仕上り状態の肉厚ｔより大なる肉厚t1を有する磁
性材の管状部分１，２の各端部を、第３図Ａに示
されるように、肉厚t1より大なる肉厚t2を有する
オーステナイト系ステンレス鋼の非磁性の管状部
分３の両端に形成された二番取り部分４，５にそ
れぞれ嵌合当接させる。この場合肉厚t1とt2とは
非磁性材の非磁性化元素すなわちオーステナイト
系ステンレス鋼ではクロム（Cr）およびニツケ
ル（Ni）の含有量により決定される。 In FIG. 3, a first embodiment of the manufacturing method of the present invention is shown. In this embodiment, each end of the tubular portions 1 and 2 of magnetic material having a wall thickness t 1 greater than the wall thickness t in the final finished state is connected to a wall t 1 , as shown in FIG. 3A . It is fitted into and abutted on the counterbored portions 4 and 5 formed at both ends of a non-magnetic tubular portion 3 made of austenitic stainless steel having a large wall thickness t 2 . In this case, the wall thicknesses t 1 and t 2 are determined by the content of non-magnetic elements in the non-magnetic material, ie, chromium (Cr) and nickel (Ni) in the case of austenitic stainless steel.
次に管状部１および２と３との当接部をTIG溶
接或は電子ビーム溶接により溶接する。この溶接
時溶解する非磁性材料の容積は、第３図Ｂのクロ
スハツチングを施こした部分の面積比からも明ら
かなように、磁性材料よりも大となり、その溶解
した部分は互に混り合う。したがつて非磁性材管
状部分３のクロム、ニツケルの含有量および肉厚
t1，t2を、溶接部分のクロム、ニツケルの含有量
が溶接部分を非磁性化させるのに必要な最小限の
値以上になるように予め定めておけばよい。 Next, the abutting portions of the tubular parts 1, 2, and 3 are welded by TIG welding or electron beam welding. The volume of the non-magnetic material melted during this welding is larger than that of the magnetic material, as is clear from the area ratio of the cross-hatched parts in Figure 3B, and the melted parts are mixed with each other. meet each other Therefore, the content and wall thickness of chromium and nickel in the non-magnetic material tubular portion 3
t 1 and t 2 may be determined in advance so that the content of chromium and nickel in the welded portion is at least the minimum value necessary to make the welded portion non-magnetic.
溶接が完了した後第３図Ｂの破線の位置まで切
削し、本発明によるプランジヤガイドができ上が
る。 After welding is completed, cutting is performed to the position indicated by the broken line in FIG. 3B, and the plunger guide according to the present invention is completed.
なお上記実施例においては非磁性材管状部分３
の両端の溶接部分７，８を共に非磁性にさせるこ
とができるが、ソレノイドの設計上特に溶接部分
の非磁性化が必要な部分は固定鉄心９側の溶接部
分７である。したがつてこの部分のみを非磁性化
する場合には、第４図に示されるように一方端の
みを肉厚にした非磁性材管状部分３′を用いれば
よい。この方法によれば高価な非磁性材料を節約
でき前記方法によりつくられたプランジヤよりも
コストを低くすることが可能である。 In the above embodiment, the non-magnetic tubular portion 3
Both the welded portions 7 and 8 at both ends of the solenoid can be made non-magnetic, but the welded portion 7 on the fixed iron core 9 side is particularly required to be made non-magnetic due to the design of the solenoid. Therefore, if only this portion is to be made non-magnetic, it is sufficient to use a non-magnetic material tubular portion 3' having only one end thickened as shown in FIG. This method saves expensive non-magnetic materials and can be lower in cost than plungers made by the method described above.
第５図において、本発明によるプランジヤの製
造方法の他の実施例が示されている。この実施例
においては、ほぼ同じ直径および肉厚を有する磁
性および非磁性の二つの管状部分１および３″の
端部を互いに突き合わせてそれらを溶接する。こ
の場合、溶接部分７′の溶解容積が磁性材管状部
分１および非磁性材管状部分のどちらもほぼ同じ
であるから、非磁性材の非磁性化元素の含有量を
前記実施例の場合よりも多くする必要がある。 In FIG. 5, another embodiment of the method of manufacturing a plunger according to the invention is shown. In this example, the ends of two magnetic and non-magnetic tubular parts 1 and 3'' with approximately the same diameter and wall thickness are brought together and welded together. In this case, the melting volume of the welded part 7' is Since both the magnetic material tubular portion 1 and the non-magnetic material tubular portion are substantially the same, the content of the non-magnetic element in the non-magnetic material needs to be greater than in the case of the previous embodiment.
例えば磁性材としてシリコン鋼を用い、非磁性
材としてステンレス鋼を用いる場合、ステンレス
鋼のクロムおよびニツケルの含有率はそれぞれ36
％および16％以上にする必要がある。しかし、磁
性材として13クロム系ステンレス鋼又は18クロム
系ステンレス鋼を使用する場合には非磁性材のス
テンレス鋼のクロム等の含有量は減ずることがで
きる。 For example, if silicon steel is used as the magnetic material and stainless steel is used as the non-magnetic material, the content of chromium and nickel in the stainless steel is 36% each.
% and must be at least 16%. However, when using 13 chromium stainless steel or 18 chromium stainless steel as the magnetic material, the content of chromium etc. in the non-magnetic stainless steel can be reduced.
なお上記実施例においては磁性材管状部分が固
定鉄心と一体に形成されている場合を図示してい
るが、第６図に示されるように固定鉄心とは別個
に形成した磁性管状部材１，２を非磁性管状
部材３と溶接してプランジヤガイドをつくつた
後に固定鉄心９を嵌合固定すればよい。 In the above embodiment, the magnetic tubular portion is formed integrally with the fixed core, but as shown in FIG. 6, the magnetic tubular members 1 and 2 are formed separately from the fixed core. After welding the plunger guide with the non-magnetic tubular member 3 to form the plunger guide, the fixed iron core 9 may be fitted and fixed.
以上の説明から明らかなように、本発明のプラ
ンジヤガイドによれば磁性部分と非磁性部分との
溶接部分が非磁性となつているため、十分な機械
的強度を保ちながら設計ストロークにおける必要
吸引力を得るための設計が容易となるだけでな
く、ソレノイドの磁気効率を向上させることがで
きる。 As is clear from the above explanation, according to the plunger guide of the present invention, since the welded part between the magnetic part and the non-magnetic part is non-magnetic, the required attraction force at the designed stroke is maintained while maintaining sufficient mechanical strength. Not only is the design easier, but the magnetic efficiency of the solenoid can be improved.
第１図はプランジヤガイドを使用している電磁
弁の一例を示す断面図、第２図はプランジヤガイ
ドの一部分の拡大断面図、第３図は本発明による
プランジヤガイドの製造方法の一実施例を示す断
面図、第４図は本発明によるプランジヤガイドの
製造方法の他の実施例を示す断面図、第５図は本
発明のプランジヤガイドの製造方法の更に別の実
施例を示す断面図、第６図は本発明の製造方法の
更に別の実施例を示す断面図である。
１，１，２，２：磁性材管状部分、３，
３′，３″，３：非磁性材管状部分、７，７′，
８：溶接部分。
Fig. 1 is a sectional view showing an example of a solenoid valve using a plunger guide, Fig. 2 is an enlarged sectional view of a portion of the plunger guide, and Fig. 3 is an example of a method for manufacturing a plunger guide according to the present invention. FIG. 4 is a cross-sectional view showing another embodiment of the method for manufacturing a plunger guide according to the present invention, and FIG. 5 is a cross-sectional view showing still another embodiment of the method for manufacturing a plunger guide according to the present invention. FIG. 6 is a sectional view showing still another embodiment of the manufacturing method of the present invention. 1, 1, 2, 2: magnetic material tubular part, 3,
3', 3'', 3: Non-magnetic material tubular part, 7, 7',
8: Welding part.
Claims (1)
た磁性部分とを有し、環状のコイル内に挿入され
て中でソレノイドのプランジヤを移動可能に案内
するプランジヤガイドにおいて、該磁性部分と非
磁性部分との溶接部分の少なくとも一方が非磁性
となつていることを特徴とするソレノイド用プラ
ンジヤガイド。 ２ 非磁性部分と該非磁性部分の両端に溶接され
た磁性部分とを有し、環状のコイル内に挿入され
て中でソレノイドのプランジヤを移動可能に案内
するプランジヤガイドを製造する方法において、
磁性材の管状部分と少なくとも一端が該磁性材の
管状部分より大なる肉厚を有する非磁性材の管状
部分とを当接させて該当接部分で両管状部分を溶
接し、溶接時の非磁性材管状部分の溶解容積を該
磁性管状部分の溶解容積より大きくさせ、それに
よつて溶接部分を非磁性にすることを特徴とする
ソレノイド用プランジヤガイドの製造方法。 ３ 非磁性部分と該非磁性部分の両端に溶接され
た磁性部分とを有し、環状のコイル内に挿入され
て中でソレノイドのプランジヤを移動可能に案内
するプランジヤガイドを製造する方法において、
互いにほぼ同じ肉厚を有する磁性材の管状部分と
非磁性材の管状部分とを当接させて該当接部分で
両管状部分を溶接し、該非磁性材の非磁性化元素
の含有量を溶接部が非磁性になるように決定する
ことを特徴とするソレノイド用プランジヤガイド
の製造方法。[Scope of Claims] 1. A plunger guide having a non-magnetic part and a magnetic part welded to both ends of the non-magnetic part, which is inserted into an annular coil and movably guides a plunger of a solenoid therein, A plunger guide for a solenoid, characterized in that at least one of the welded parts of the magnetic part and the non-magnetic part is non-magnetic. 2. A method for manufacturing a plunger guide that has a non-magnetic part and a magnetic part welded to both ends of the non-magnetic part, and is inserted into an annular coil and movably guides a plunger of a solenoid therein,
A tubular part made of a magnetic material and a tubular part made of a non-magnetic material, at least one end of which has a wall thickness greater than that of the tubular part of the magnetic material, are brought into contact with each other, and both tubular parts are welded at the corresponding contact part, and the non-magnetic material during welding is A method of manufacturing a plunger guide for a solenoid, characterized in that the melting volume of the material tubular part is made larger than the melting volume of the magnetic tubular part, thereby making the welded part non-magnetic. 3. A method for manufacturing a plunger guide that has a non-magnetic part and a magnetic part welded to both ends of the non-magnetic part, and is inserted into an annular coil to movably guide a plunger of a solenoid therein,
A tubular part made of magnetic material and a tubular part made of non-magnetic material that have approximately the same wall thickness are brought into contact with each other, and the two tubular parts are welded at the corresponding contact part, and the content of the non-magnetic element in the non-magnetic material is determined by measuring the content of the non-magnetic element in the welded part. A method for manufacturing a plunger guide for a solenoid, characterized in that the plunger guide is determined to be non-magnetic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56164479A JPS5865386A (en) | 1981-10-15 | 1981-10-15 | Solenoid plunger guide and its manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56164479A JPS5865386A (en) | 1981-10-15 | 1981-10-15 | Solenoid plunger guide and its manufacture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5865386A JPS5865386A (en) | 1983-04-19 |
| JPH0215750B2 true JPH0215750B2 (en) | 1990-04-13 |
Family
ID=15793949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56164479A Granted JPS5865386A (en) | 1981-10-15 | 1981-10-15 | Solenoid plunger guide and its manufacture |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5865386A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012017895A1 (en) | 2010-08-03 | 2012-02-09 | 日立建機株式会社 | Electromagnetic drive unit and method for producing same |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6091867U (en) * | 1983-11-29 | 1985-06-22 | 豊田工機株式会社 | proportional solenoid valve |
| JPH0658843B2 (en) * | 1985-04-19 | 1994-08-03 | 三明電機株式会社 | Method of forming tube assembly in electromagnet |
| JPS63119209U (en) * | 1987-01-28 | 1988-08-02 | ||
| JPS63280976A (en) * | 1987-05-12 | 1988-11-17 | Hitachi Constr Mach Co Ltd | Electromagnetic valve |
| JPH0171285U (en) * | 1987-11-02 | 1989-05-12 | ||
| JP3586136B2 (en) * | 1999-01-26 | 2004-11-10 | 株式会社日本自動車部品総合研究所 | Flow control valve and manufacturing method thereof |
| JP4397302B2 (en) * | 2004-08-06 | 2010-01-13 | 日産自動車株式会社 | Electromagnetic valve guide tube for hydrogen and manufacturing method thereof |
| DE102008008761A1 (en) * | 2008-02-12 | 2009-08-13 | Robert Bosch Gmbh | actuating magnet |
| CN102233507A (en) * | 2010-05-05 | 2011-11-09 | 蔡承宏 | Method for manufacturing electromagnetic pipe of proportional electromagnetic valve |
| JP2016012691A (en) * | 2014-06-30 | 2016-01-21 | 株式会社神戸製鋼所 | Solenoid |
-
1981
- 1981-10-15 JP JP56164479A patent/JPS5865386A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012017895A1 (en) | 2010-08-03 | 2012-02-09 | 日立建機株式会社 | Electromagnetic drive unit and method for producing same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5865386A (en) | 1983-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100413554B1 (en) | Electromagnetically Operated Valve | |
| JPH0215750B2 (en) | ||
| JP6505193B2 (en) | Method of manufacturing valve device | |
| BR9105981A (en) | ELECTROMAGNETICALLY ACTIVE VALVE | |
| KR100733524B1 (en) | Liquid phase diffusion welding method for metallic machine part and metallic machine part | |
| WO2014141757A1 (en) | Electromagnetic fuel injection valve | |
| JP5763620B2 (en) | Pressure sensitive device and joint welding method of pressure sensitive device | |
| JP2989977B2 (en) | Manufacturing method of fixed iron core for fuel injection device | |
| EP4035191B1 (en) | Method and apparatus for solenoid tube | |
| JP4104508B2 (en) | solenoid valve | |
| JP7012946B2 (en) | Solenoid sleeve manufacturing method | |
| JP4143097B2 (en) | Electromagnetic fuel injection valve | |
| JP3095252B2 (en) | solenoid | |
| JP2917069B2 (en) | Manufacturing method of cylindrical yoke for wet type solenoid | |
| JPH07103354A (en) | Solenoid guide and method of manufacturing solenoid guide | |
| JPS5932087Y2 (en) | solenoid | |
| JP7567177B2 (en) | How to manufacture a solenoid tube | |
| EP1607663A2 (en) | Solenoid valve, manufacturing method thereof and binding method between iron-based material and aluminium-based member | |
| JPH05164012A (en) | Fuel injection device and manufacturing method for its fixed core | |
| JPH06174134A (en) | Linear solenoid valve | |
| JPS6141122B2 (en) | ||
| JP2006187795A (en) | Welding method and flow path switching device manufactured using the method | |
| JP3362433B2 (en) | Coil parts | |
| JPS63280976A (en) | Electromagnetic valve | |
| JPS61242007A (en) | Method for molding of tube assembly in magnet |