JPH0276206A - Plunger-type electromagnet iron core - Google Patents
Plunger-type electromagnet iron coreInfo
- Publication number
- JPH0276206A JPH0276206A JP22635188A JP22635188A JPH0276206A JP H0276206 A JPH0276206 A JP H0276206A JP 22635188 A JP22635188 A JP 22635188A JP 22635188 A JP22635188 A JP 22635188A JP H0276206 A JPH0276206 A JP H0276206A
- Authority
- JP
- Japan
- Prior art keywords
- plunger
- iron core
- fixed iron
- electromagnet
- core
- 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.)
- Pending
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 230000035945 sensitivity Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
Landscapes
- Magnetically Actuated Valves (AREA)
- Electromagnets (AREA)
Abstract
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は、プランジャー型？！Ｈｉ石鉄心に関し。[Detailed description of the invention] [Industrial application field] Is this invention a plunger type? ! Regarding Hi stone iron core.
さらに詳しくは、プランジャーと固定鉄心が吸脱着する
ａｉｉ面の形状を改善して、プランジャー型電磁石の高
感度化を図る技術に関する。More specifically, the present invention relates to a technique for increasing the sensitivity of a plunger-type electromagnet by improving the shape of the AII surface on which the plunger and fixed core are attached and detached.
［従来の技術１
従来、ガス器具用電磁弁等に用いられているプランジャ
ー型電磁石を第６図によって説明する。[Prior Art 1] A plunger type electromagnet conventionally used in electromagnetic valves for gas appliances will be explained with reference to FIG.
なお、第６図（ａ）は断面図、第６図（ｂ）は第６図（
ａ）の右側面図を示している。第６図に示すように？！
ｔｍ石は、ヨークｌと、ヨークｌに固設された固定鉄心
２と、固定鉄心２に当接するプランジャー３と、固定鉄
心２とプランジャー３を所定間隔離間させるスプリング
４と、プランジャー３の動作を案内するガイドバイブロ
と、固定鉄心２、プランジャー３及びヨ〜りｌで構成さ
れる回路を通電によって磁化しスプリング４の付勢力に
抗してプランジャー３を固定鉄心２に吸着させるコイル
５等から構成されている。Note that FIG. 6(a) is a cross-sectional view, and FIG. 6(b) is a cross-sectional view of FIG.
Fig. 3a) shows a right side view of a). As shown in Figure 6? !
The tm stone includes a yoke l, a fixed iron core 2 fixed to the yoke l, a plunger 3 that abuts the fixed iron core 2, a spring 4 that separates the fixed iron core 2 and the plunger 3 by a predetermined distance, and the plunger 3. A circuit consisting of a guide vibro that guides the operation, a fixed iron core 2, a plunger 3, and a yaw l is magnetized by energization, and the plunger 3 is attracted to the fixed iron core 2 against the biasing force of a spring 4. It is composed of a coil 5 and the like.
［発明が解決しようとする課題１
上述のプランジャーｒ２ｍ石は、取扱いの便利さや安価
であるためにガス器具用電磁弁のほか各分野で使用され
ているが、使用分野が拡大されるに従い、ユーザー側か
ら各種要望が提出されているが、特に、電磁石の高感度
化、すなわち、大きさは同じで所要電力のより小さい電
磁石の出現が要望されている。[Problem to be Solved by the Invention 1 The above-mentioned plunger R2M stone is used in various fields including solenoid valves for gas appliances due to its ease of handling and low cost. Various requests have been submitted by users, but in particular, there is a demand for higher sensitivity of electromagnets, that is, for electromagnets of the same size but requiring less power.
本発明者郷は電磁石の高感度化について、鋭意研究して
おり、本出願人は既に、実用新案登録願（昭和６３年８
月３０日）［高感度プランジャー型電磁石Ｊを提案して
いる。The inventor Go has been conducting intensive research on increasing the sensitivity of electromagnets, and the applicant has already applied for utility model registration (August 1988).
March 30) [We are proposing a highly sensitive plunger type electromagnet J.
しかし、上述の従来技術におけるプランジャーと固定鉄
心が吸脱着する磁極面の形状は、第５図（ａ）、（ｂ）
に示すような形状に構成されている。このような形状で
は、プランジャー３が固定鉄心２に吸着される際、プラ
ンジャ−３起動時において、パーミアンスのプランジャ
ー３作動方向微係数が小さいという問題があった。However, the shape of the magnetic pole surface on which the plunger and fixed iron core are attached and detached in the prior art described above is as shown in FIGS. 5(a) and 5(b).
It is configured in the shape shown in . With such a shape, when the plunger 3 is attracted to the fixed iron core 2, there is a problem that the differential coefficient of the permeance in the operating direction of the plunger 3 is small when the plunger 3 is activated.
本発明は、プランジャー３と固定鉄心２が吸脱着する磁
極面の形状に着目し、その形状により前記微係数を大き
くし、電磁石の高感度化を図ると共に、先の提案による
ヨーク・プランジャー間のパーミアンス改善効果と相ま
って、さらに高感度の電磁石用鉄心を提供し、ユニザー
側のニーズに応えることを課題とするものである。The present invention focuses on the shape of the magnetic pole surface on which the plunger 3 and the fixed iron core 2 are attached and detached, and uses the shape to increase the differential coefficient, thereby increasing the sensitivity of the electromagnet. The objective of this project is to provide an electromagnet core with even higher sensitivity and to meet the needs of UNISER.
〔課題を解決するための手段１
本発明は上述の問題点を解決するもので、次の技術手段
を採った。すなわち、
プランジャー型電磁石のプランジャーと固定鉄心の吸脱
着する磁極面を、プランジャー側は複数の円錐台形を先
細り階段状にプランジャーと同一軸心に積層状とし、固
定鉄心側はプランジャーの各円錐台形に遊嵌してプラン
ジャー側と係止する多段階の凹部から形成した。[Means for Solving the Problems 1] The present invention solves the above-mentioned problems, and employs the following technical means. In other words, the magnetic pole surface of the plunger-type electromagnet that attaches and detaches between the plunger and the fixed core is made of a plurality of truncated conical shapes stacked on the same axis as the plunger on the plunger side in a tapered step shape, and on the fixed core side the plunger It is formed from multi-step recesses that loosely fit into each truncated cone and lock with the plunger side.
さらに、プランジャーの固定鉄心とは反対側端部に、電
磁石のプランジャー軸方向に直交する電磁石のヨーク端
面に対向し、プランジャーの外径より大きい対向平面を
有する吸引翼板を、プランジャーの作動距離を介して取
付ければ、さらに効果的である。Further, a suction vane plate, which faces the yoke end face of the electromagnet perpendicular to the plunger axial direction of the electromagnet and has a facing plane larger than the outer diameter of the plunger, is installed at the end of the plunger opposite to the fixed iron core. It is even more effective if it is installed across a working distance of .
〔作用Ｊ 一般に電磁石の吸引力は次式で表わされる。[Action J Generally, the attractive force of an electromagnet is expressed by the following equation.
ここに、 Ｆ ： 吸引力 Ｕ ： 励磁アンペアターン Ｐ：１ｉｔｌ路のパーミアンス Ｘ ： プランジャーの作動方向の空 隙長 である。Here, F: Suction power U: Excitation ampere turn P: 1itl road permeance X: Empty direction of plunger operation Gap length It is.
第１図は本発明の一実施例の一部断面の説明図である。FIG. 1 is a partially cross-sectional explanatory diagram of an embodiment of the present invention.
第１図と第５図（ａ）及び第５図（ｂ）を比較すれば１
本発明ではプランジャー３ａと固定鉄心２ａが吸脱着す
る磁極面を多段階に構成しであるので、プランジャー３
ａと固定鉄心２８間の図示位置ｆΔＸ）近１労における
パーミアンスＰのＸに関する微係数は、本発明の方が大
きく、そのため、同一励磁アンペアターンＵで大きな吸
引力Ｆを得ることができる。Comparing Figure 1 with Figures 5(a) and 5(b), 1
In the present invention, since the magnetic pole surface on which the plunger 3a and the fixed iron core 2a are attached and detached is configured in multiple stages, the plunger 3a
The differential coefficient of the permeance P with respect to X at the illustrated position fΔX) between a and the fixed iron core 28 is larger in the present invention, and therefore a large attraction force F can be obtained with the same excitation ampere turn U.
次に、吸引翼板の作用を説明する。第６図（ａ）に示す
ように、従来のプランジャー型電磁石は、ヨーク１とプ
ランジャー３の表面間にはｄ、の非磁性体間隙を必要と
し、この部分のパーミアンスＰＤ、は周知のとおり下式
で表わされる。Next, the action of the suction vanes will be explained. As shown in FIG. 6(a), the conventional plunger type electromagnet requires a non-magnetic gap of d between the surfaces of the yoke 1 and the plunger 3, and the permeance PD of this part is well-known. It is expressed by the following formula.
ＰＤ、岬Ｋ １ｔｄ ｔ ／ ｄ ＋ ・・−（１）
ここに、
ｄ・・・プランジャーの外径
Ｌ・・・ヨーク厚さ
に・・・比例定数
吸引翼板７を設けることにより、第３図に示すように、
ヨークｌと吸引翼板７間のパーミアンスＰＤＬは。PD, Misaki K 1td t/d +...-(1)
Here, d...the outer diameter L of the plunger...the yoke thickness...by providing the proportional constant suction vane plate 7, as shown in Fig. 3,
The permeance PDL between the yoke l and the suction vane plate 7 is:
Ｐ Ｄ Ｌ ＃にπ（Ｄ”−ｄ”）／Ｌ・・・（２）で
示される。P D L # is represented by π(D”-d”)/L (2).
ここに、 Ｄ・・・吸引翼板の外径 Ｌ・・・吸引翼板とヨークとの距離 ｄ、には式（１）に同じ 通常、 Ｄ＝２ｄ〜３ｄ Ｌ＝４ｄ 、 〜ｌｏｄ。Here, D... Outer diameter of suction vane plate L...Distance between the suction vane and the yoke d is the same as equation (1). Usually, D=2d~3d L=4d, ~lod.
に設計値を選定するが、Ｄ＝３ｄ、Ｌ’＝５ｄ 、とじ
、さらに、ｄ＝５ｍｍ、ｄ ＋ ＝０．５ｍｍとすれば
、Ｌ ＝ ２．５ ｍ ｍとなり、前記（１）及び（２
）式から、
ＰＤＩ／ＰＤＬ＝ （９ｄ”−ｄ”）１５ｄｔ＝１．６
ｄ／ｌ
コ８／ｌ
であり、ｔ＝１ｍｍとすれば。If we select design values for D = 3d, L' = 5d, binding, and d = 5mm and d + = 0.5mm, then L = 2.5 mm, and the above (1) and ( 2
) From the formula, PDI/PDL= (9d"-d")15dt=1.6
If d/l is ko8/l and t=1mm.
ＰＤ、／ＰＤＬ＝８
となる、すなわち、吸引翼板を設けることによって、ヨ
ークとプランジャー間のパーミアンスが大幅に改善され
る。PD, /PDL=8, that is, by providing the suction vane, the permeance between the yoke and the plunger is significantly improved.
第１図は本発明の詳細な説明図であり、固定鉄心２ａと
プランジャー３ａが吸脱着する磁極面の形状を示してい
る９本実施例では、プランジャー３ａ側では、高さｐが
プランジャー３ａの作動距離ｑに等しく、かつ、径の異
なる円錐台形を２個階段状に構成し、固定鉄心２″ａ側
は、プランジャー３ａ側の各円錐台形に遊嵌してプラン
ジャー３ａ側°と係止する２段階の凹部で形成している
。すなわち、固定鉄心２ａとプランジャー３ａが係止さ
れたとき、対向する円錐台形の傾斜側面部間には微小な
間隙を設けて、プランジャー３ａの作動を円滑にしてい
る。FIG. 1 is a detailed explanatory diagram of the present invention, showing the shape of the magnetic pole surface on which the fixed iron core 2a and the plunger 3a are attached and detached.In this embodiment, the height p on the plunger 3a side is Two truncated cones with diameters different from each other and which are equal to the working distance q of the plunger 3a are configured in a stepped manner, and the fixed iron core 2''a side is loosely fitted into each truncated cone shape on the plunger 3a side. In other words, when the fixed iron core 2a and the plunger 3a are locked, a minute gap is provided between the opposing truncated conical inclined side parts, and the plunger is locked. This allows the jar 3a to operate smoothly.
第２図は本発明の実施例の寸法図を示したものである。FIG. 2 shows a dimensional drawing of an embodiment of the invention.
次に、本発明の具体例について第３図および第４図によ
って説明する。第３図（ａ）は本発明の他の実施例の一
部断面図、第３図（ｂ）は第３図（ａ）の右側面図、第
４図は本発明と従来例について電磁石の入力と吸引力の
関係を比較したグラフである。Next, a specific example of the present invention will be explained with reference to FIGS. 3 and 4. FIG. 3(a) is a partial sectional view of another embodiment of the present invention, FIG. 3(b) is a right side view of FIG. 3(a), and FIG. 4 is a diagram of the electromagnet of the present invention and a conventional example. This is a graph comparing the relationship between input and attraction force.
第３図（ａ）および第３図（ｂ）に示すように、プラン
ジャー３ａの端面が吸脱着する固定鉄心２ａ面と反対側
端部に、プランジャー３ａの作動軸と直交するヨーク１
端面に対向して該ヨークｌ端面と平行に吸引翼板７を取
付けたものである。また、吸引翼板７の外径はプランジ
ャー３ａの外径より大きく構成し、さらに、吸引翼板７
とヨークｌとの間は、プランジャー３ａの作動距離ｑと
等間隔に保持されている。As shown in FIGS. 3(a) and 3(b), a yoke 1 perpendicular to the operating axis of the plunger 3a is provided at the end opposite to the fixed iron core 2a surface to which the end surface of the plunger 3a is attached/desorbed.
A suction vane plate 7 is mounted parallel to the end face of the yoke l, facing the end face. Further, the outer diameter of the suction vane plate 7 is configured to be larger than the outer diameter of the plunger 3a, and the suction vane plate 7
and the yoke l are maintained at equal intervals to the working distance q of the plunger 3a.
第４図に示すグラフ中のＡは第３図に示すＮ印石鉄心を
使用したものである。Ｂは先の提案の電磁石鉄心のデー
タ、また、Ｃは市販品のデータである。第４図から明ら
かなように、本発明では同一人力に対し吸引力が大幅に
増大していることが分る。A in the graph shown in FIG. 4 uses the N-marked iron core shown in FIG. 3. B is the data of the previously proposed electromagnetic core, and C is the data of the commercially available product. As is clear from FIG. 4, it can be seen that in the present invention, the suction force is significantly increased for the same human power.
第３図の実施例では、吸引翼板７とプランジャー３ａに
取付部は、嵌合固定しているが、先願に示したように、
吸引翼板７を微小揺動可能にプランジャー３ａに遊嵌さ
せれば、プランジャー３ａと固定鉄心２ａ並びにヨーク
１間の製作精度を低下させてもよ（、？ｔｆ磁石の製作
コストの低減を図ることができる。In the embodiment shown in FIG. 3, the attachment parts are fitted and fixed to the suction vane 7 and the plunger 3a, but as shown in the earlier application,
If the suction vane plate 7 is loosely fitted into the plunger 3a so that it can be slightly oscillated, the manufacturing accuracy between the plunger 3a, the fixed iron core 2a, and the yoke 1 may be reduced (reducing the manufacturing cost of the ?tf magnet. can be achieved.
「発明の効果］ 本考案は次のような極めて優れた効果を奏する。"Effect of the invention] The present invention has the following extremely excellent effects.
■単純な構造であり、しかも、従来に比べて倍増する高
感度特性を発揮でき、特に、作動距離が２ｍｍ以上の場
合において効果は顕著である。(2) It has a simple structure and can exhibit high sensitivity characteristics that are twice as high as those of the conventional method, and the effect is particularly remarkable when the working distance is 2 mm or more.
■コイルに通電時プランジャーの保持電流は、従来の同
一大きさの電磁石に比べ大幅に低減されるので、電池電
源駆動等の電磁石鉄心の用途に広く使用することができ
る。■The holding current of the plunger when the coil is energized is significantly reduced compared to conventional electromagnets of the same size, so it can be widely used in electromagnetic core applications such as those driven by battery power.
本発明の詳細な説明図を第１図〜第３図に示し、第１図
は一部断面図、第２図は実施例の寸法図、第３図は他の
実施例であり、第３図（ａ）は一部所面図、第３図（ｂ
）は第３図（ａ）の右側面図、第４図は本発明と従来例
について電磁石の入力と吸引力の関係を比較したグラフ
、第５図は従来例のプランジャーと固定鉄心が吸脱着す
る磁極面の説明図、第６図は従来例の電磁石の説明図で
ある。
ｌ・・−ヨーク ２．２ａ・・・固定鉄心３．
３ａ・・・ブランジャ−
４・・・スプリング ５・・・コイル６・・・ガイ
ドパイプ ７・−・吸引翼板ｄ２、ｔ、ｐ、ｑ・・・
距離
八Ｘ・・・微小距離
Ｄ ・・・吸引翼板の外径
ｄ ・・・プランジャーの外径
Ｌ ・・−吸引翼板とヨークとの距離
出願 人 ミツク工業株式会社
代 理 人 弁理士 小 杉 佳 男第１図
第２図
第４図
（ａ）
（ｂ）
第５図
第 ６
（ｂ）
図Detailed explanatory drawings of the present invention are shown in FIGS. 1 to 3, in which FIG. 1 is a partial sectional view, FIG. 2 is a dimensional drawing of an embodiment, FIG. 3 is another embodiment, and FIG. Figure (a) is a partial view, Figure 3 (b)
) is a right side view of Fig. 3(a), Fig. 4 is a graph comparing the relationship between electromagnet input and attraction force for the present invention and the conventional example, and Fig. 5 shows the relationship between the plunger and fixed iron core of the conventional example. FIG. 6 is an explanatory diagram of a magnetic pole surface to be attached and detached, and FIG. 6 is an explanatory diagram of a conventional electromagnet. l...-Yoke 2.2a... Fixed core 3.
3a...Plunger 4...Spring 5...Coil 6...Guide pipe 7...Suction vane plate d2, t, p, q...
Distance eight Yoshio Kosugi Figure 1 Figure 2 Figure 4 (a) (b) Figure 5 Figure 6 (b) Figure
Claims (1)
吸脱着する磁極面を、該プラン ジャー側は複数の円錐台形を先細り階段状に該プランジ
ャーと同一軸心に積層状とし、該固定鉄心側は前記プラ
ンジャーの各円錐台形に遊嵌して該プランジャー側と係
止する多段階の凹部から形成したことを特徴とするプラ
ンジャー型電磁石鉄心。 ２ 前記プランジャーの前記固定鉄心とは反対側端部に
、前記電磁石の該プランジャー軸方向に直交する該電磁
石のヨーク端面に対向 し、該プランジャーの外径より大きい対向平面を有する
吸引翼板を、該プランジャーの作動距離を介して取付け
た請求項１記載のプランジャー型電磁石鉄心。[Scope of Claims] 1. The magnetic pole surface of the plunger-type electromagnet that attaches to and detaches from the plunger of the fixed iron core is such that the plunger side has a plurality of truncated conical shapes stacked in a tapered step-like manner coaxially with the plunger. A plunger-type electromagnetic core, characterized in that the fixed core side is formed with multi-stage recesses that loosely fit into each truncated cone of the plunger and lock with the plunger side. 2. At the end of the plunger opposite to the fixed iron core, a suction blade that faces a yoke end surface of the electromagnet perpendicular to the axial direction of the electromagnet and has an opposing plane larger than the outer diameter of the plunger. The plunger type electromagnetic core according to claim 1, wherein the plate is attached across the working distance of the plunger.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22635188A JPH0276206A (en) | 1988-09-12 | 1988-09-12 | Plunger-type electromagnet iron core |
| DE68915998T DE68915998T2 (en) | 1988-08-08 | 1989-07-25 | PISTON-LIKE ELECTROMAGNET. |
| EP89908518A EP0380693B1 (en) | 1988-08-08 | 1989-07-25 | Plunger type electromagnet |
| PCT/JP1989/000742 WO1990001780A1 (en) | 1988-08-08 | 1989-07-25 | Plunger type electromagnet |
| US07/919,588 US5268662A (en) | 1988-08-08 | 1992-07-24 | Plunger type electromagnet |
| US08/002,948 US5356578A (en) | 1988-08-08 | 1993-01-11 | Mold for slip casting and method of slip casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22635188A JPH0276206A (en) | 1988-09-12 | 1988-09-12 | Plunger-type electromagnet iron core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0276206A true JPH0276206A (en) | 1990-03-15 |
Family
ID=16843799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22635188A Pending JPH0276206A (en) | 1988-08-08 | 1988-09-12 | Plunger-type electromagnet iron core |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0276206A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07208629A (en) * | 1994-01-15 | 1995-08-11 | Fichtel & Sachs Ag | Valve operating device |
| WO2006115086A1 (en) * | 2005-04-19 | 2006-11-02 | Shindengen Mechatronics Co., Ltd. | Electromagnetic actuator |
| WO2006128775A1 (en) * | 2005-06-03 | 2006-12-07 | Siemens Aktiengesellschaft | Electromagnetic drive system |
| JP2007288000A (en) * | 2006-04-18 | 2007-11-01 | Shindengen Mechatronics Co Ltd | Solenoid |
| DE102009027131A1 (en) * | 2009-06-24 | 2010-12-30 | Zf Friedrichshafen Ag | Linear positioning unit for a switching device of a transmission |
| JP2011233790A (en) * | 2010-04-28 | 2011-11-17 | Shindengen Mechatronics Co Ltd | Solenoid |
| JP2013089355A (en) * | 2011-10-14 | 2013-05-13 | Hitachi Industrial Equipment Systems Co Ltd | Dc operation type electromagnetic contactor |
| JP2014027203A (en) * | 2012-07-30 | 2014-02-06 | Denso Corp | Linear solenoid |
| JP2014067960A (en) * | 2012-09-27 | 2014-04-17 | Keihin Corp | Electromagnetic actuator |
| WO2018123020A1 (en) * | 2016-12-28 | 2018-07-05 | 三菱電機株式会社 | Electromagnetic valve |
-
1988
- 1988-09-12 JP JP22635188A patent/JPH0276206A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07208629A (en) * | 1994-01-15 | 1995-08-11 | Fichtel & Sachs Ag | Valve operating device |
| WO2006115086A1 (en) * | 2005-04-19 | 2006-11-02 | Shindengen Mechatronics Co., Ltd. | Electromagnetic actuator |
| WO2006128775A1 (en) * | 2005-06-03 | 2006-12-07 | Siemens Aktiengesellschaft | Electromagnetic drive system |
| US7750772B2 (en) | 2005-06-03 | 2010-07-06 | Siemens Aktiengesellschaft | Electromagnetic drive device |
| JP2007288000A (en) * | 2006-04-18 | 2007-11-01 | Shindengen Mechatronics Co Ltd | Solenoid |
| WO2007123152A1 (en) * | 2006-04-18 | 2007-11-01 | Shindengen Mechatronics Co., Ltd. | Solenoid |
| DE102009027131A1 (en) * | 2009-06-24 | 2010-12-30 | Zf Friedrichshafen Ag | Linear positioning unit for a switching device of a transmission |
| JP2011233790A (en) * | 2010-04-28 | 2011-11-17 | Shindengen Mechatronics Co Ltd | Solenoid |
| JP2013089355A (en) * | 2011-10-14 | 2013-05-13 | Hitachi Industrial Equipment Systems Co Ltd | Dc operation type electromagnetic contactor |
| JP2014027203A (en) * | 2012-07-30 | 2014-02-06 | Denso Corp | Linear solenoid |
| JP2014067960A (en) * | 2012-09-27 | 2014-04-17 | Keihin Corp | Electromagnetic actuator |
| WO2018123020A1 (en) * | 2016-12-28 | 2018-07-05 | 三菱電機株式会社 | Electromagnetic valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0276206A (en) | Plunger-type electromagnet iron core | |
| EP0380693A1 (en) | Plunger type electromagnet | |
| TW200617306A (en) | Rapid response solenoid for electromagnetic operated valve | |
| EP0811780A3 (en) | Electromagnetically actuated brake | |
| US5717372A (en) | Dual armature solenoid | |
| EP1430588B1 (en) | Linear voice coil actuator with a latching feature | |
| EP1440602A1 (en) | Improved moving coil transducer | |
| KR100865635B1 (en) | Long stroke linear voice coil actuator with the proportional solenoid type characteristic | |
| CA2516253A1 (en) | Torque motor | |
| EP2351944A1 (en) | Electric brake for lifts | |
| CN110111971B (en) | Bidirectional self-holding electromagnet capable of realizing position stability based on spring pressure and magnetic attraction force | |
| US5646588A (en) | Stroke elongation device for an electromagnetic actuator | |
| JP2001349371A (en) | Magnetic circuit structure and gap control device | |
| ATE213565T1 (en) | MICRO RELAY | |
| JPS60223458A (en) | Electromagnetic linear movement apparatus | |
| JPH02212685A (en) | 2-position solenoid valve | |
| JPS62271404A (en) | Electromagnetic actuator | |
| CN2706842Y (en) | Composite electromagnetic iron core | |
| JPH0314017Y2 (en) | ||
| JP2999721B2 (en) | electromagnet | |
| JP2001358014A (en) | High-sensitive electromagnet | |
| JPH0510332Y2 (en) | ||
| JPS61127105A (en) | Electromagnet device | |
| JPH051047Y2 (en) | ||
| JPS60217036A (en) | Magnetic chuck |