JPS58166705A - Electro-magnetic solenoid - Google Patents

Electro-magnetic solenoid

Info

Publication number
JPS58166705A
JPS58166705A JP4946882A JP4946882A JPS58166705A JP S58166705 A JPS58166705 A JP S58166705A JP 4946882 A JP4946882 A JP 4946882A JP 4946882 A JP4946882 A JP 4946882A JP S58166705 A JPS58166705 A JP S58166705A
Authority
JP
Japan
Prior art keywords
iron core
movable
movable iron
movable rod
rod
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
Application number
JP4946882A
Other languages
Japanese (ja)
Inventor
Shunsaku Nakauchi
俊作 中内
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kokusai Gijutsu Kaihatsu Co Ltd
Original Assignee
Kokusai Gijutsu Kaihatsu Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kokusai Gijutsu Kaihatsu Co Ltd filed Critical Kokusai Gijutsu Kaihatsu Co Ltd
Priority to JP4946882A priority Critical patent/JPS58166705A/en
Publication of JPS58166705A publication Critical patent/JPS58166705A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00Magnets
    • H01F7/06Electromagnets; Actuators including electromagnets
    • H01F7/08Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16Rectilinearly-movable armatures
    • H01F7/1607Armatures entering the winding

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnets (AREA)

Abstract

PURPOSE:To provide the titled solenoid with low wattage that does not develop excessively large attracting force at the final stage of attraction and has a low level of motion noise by moving the movable rod by means of a hydraulic pressure developed by the motion of a movable iron core and providing a large stroke for a small size rod. CONSTITUTION:In the figure 5 is a movable iron core, 6 is a fixed iron core, 7 is a hole pierced through the movable iron core, 8 is a movable rod inserted into the hole, 9 is a yoke, 10 is an exciting coil, 11 is a coil frame, and 12 is oil filled between the movable iron core 5 and the fixed iron core 6. The hole 7 is opened concentrically with the movable iron core 5. When electric current flows in the exciting coil 10, a magnetic field is formed between the fixed iron core 6 and movable iron core 5 and attracting force developed between them. By this force a presure is applied to the oil 12 between the movable iron core 5 and fixed iron core 6 and the movable rod 8 is pushed up. The cross-sectional area of the moving rod 8 is taken as S8 and the cross- sectional area of the movable iron core 5 as S5, the force F8 to push up the movable rod at this time is : F8=F5XS8/S5, supposing that the attracting force exerted on the movable iron core is F5. Accordingly the stroke of the movable rod 8 is S5/S8 times the stroke of the movable iron core 5.

Description

【発明の詳細な説明】 た電磁ソレノイド(以下ソレノイドという)で、特に可
動部のストロークの長いものや高能率で機械出力を必要
とするものに適したソレノイドに関する。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an electromagnetic solenoid (hereinafter referred to as a solenoid), which is particularly suitable for those with long moving parts and those that require high efficiency and mechanical output.

従来のソレノイドは、簡単な構造でて気入力を直線或は
回転運動の機械出力に交換することができ、産業界に広
く用いられている。
Conventional solenoids have a simple structure and can replace air input with mechanical output of linear or rotary motion, and are widely used in industry.

第1図に従来の代表的ソレノイドの断面構造図を示す。FIG. 1 shows a cross-sectional structural diagram of a typical conventional solenoid.

第1図で/は可動鉄心、2は固定鉄心、3は継鉄、ダは
励磁コイルである。コイルグに通電することにより、可
動鉄心/と固定鉄心コの間の空隙に磁界を生じ、この両
者間に吸引力が発生する。
In FIG. 1, / is a movable iron core, 2 is a fixed iron core, 3 is a yoke, and Da is an exciting coil. By energizing the coil, a magnetic field is generated in the gap between the movable iron core and the fixed iron core, and an attractive force is generated between the two.

第2図に典型的な従来のソレノイドの吸引力の特性を示
′f。 この特性は外形寸法が24 X 29 x 4
0mmのソレノイドのものである。
Figure 2 shows the suction force characteristics of a typical conventional solenoid. This characteristic has external dimensions of 24 x 29 x 4
It is a 0mm solenoid.

は通常の用途では不必要に大きいことが多い。is often unnecessarily large for normal applications.

その為吸引動作の終期で大きな騒音を発したり、機械的
寿令を縮めたりする欠点があった。
As a result, they have the disadvantage of producing a large amount of noise at the end of the suction operation and shortening their mechanical life.

又ストロークの大きい所では大きな電力を必要とし、そ
の上ストロークの大きいソレノイドはソレノイド全体の
大きさも大きい欠点があった。
In addition, a large stroke requires a large amount of electric power, and a solenoid with a large stroke also has the disadvantage that the overall size of the solenoid is large.

本発明は従来のこれらの欠点を除去して、小さい体格で
も、太きにストロークを有し、月つ消費電力が少なく、
吸引終期でも過大な吸引力を発揮しない、動作音の静か
なソレノイドを提供することを目的とする。
The present invention eliminates these drawbacks of the conventional technology, and allows even a small physique to have a thick stroke, consume less power per month, and
To provide a solenoid that does not exert excessive suction force even in the final stage of suction and has quiet operation noise.

以下にその発明の構成と作用等につき説明する4、第3
図は本発明の実施例を示す断面図であって夕は可動鉄心
、6は固定鉄心、りは可動鉄心に明けられた穴、tは穴
に挿入された可動棒、9は継鉄、10は励磁コイル、/
/は捲枠、7.2は可動鉄心!と固定鉄心乙の間に満た
された油である。なお穴7は例えば可動鉄心!と同心に
めけら!1.る。
The structure and operation of the invention will be explained below in Section 4 and 3.
The figure is a sectional view showing an embodiment of the present invention, in which 1 is a movable core, 6 is a fixed core, 1 is a hole drilled in the movable core, t is a movable rod inserted into the hole, 9 is a yoke, 10 is the excitation coil, /
/ is the winding frame, 7.2 is the movable iron core! This is the oil filled between the fixed iron core A and the fixed iron core B. For example, hole 7 is a movable iron core! Mekera concentrically! 1. Ru.

第3図に従って本発明のソレノイドの動作全説明すると
、励磁コイル10に電流が流れると、固定鉄心≦と可動
鉄心!の間に磁界が形成され、この両者間に吸引力が働
く。従ってこの力によって可動鉄心!と、固定鉄心乙の
間にある油/2に圧力が加えられる。この圧力によって
可動棒は図上で上方に押し上げられる。この可動棒rの
断面積kss、可動鉄心!の断面積金85とすると、こ
の時可動棒に加えられる押し上げ力F8は、可動鉄心!
に働く吸引力をF5として F8 = F5 x 88
/S5である。又可動棒?のストロークは可動鉄心!の
ストロークのS5/S8倍になる。
To explain the entire operation of the solenoid of the present invention according to FIG. 3, when current flows through the excitation coil 10, the fixed iron core≦ and the movable iron core! A magnetic field is formed between them, and an attractive force acts between them. Therefore, the iron core can be moved by this force! Pressure is applied to the oil/2 between the fixed iron core B and the fixed iron core B. This pressure pushes the movable rod upward on the diagram. The cross-sectional area of this movable rod r is kss, the movable iron core! If the cross-sectional area of the metal is 85, the pushing force F8 applied to the movable rod at this time is the movable iron core!
Assuming the suction force acting on F5 as F5, F8 = F5 x 88
/S5. Also a movable rod? The stroke is a movable iron core! The stroke is S5/S8 times.

電気磁気学に示す所によると、可動鉄心!に働く力F5
と、可動鉄心!と固定鉄心ごとの間の磁束密度Bと断面
積S5との間には次式が成立する。
According to electromagnetism, a movable iron core! Force acting on F5
And a movable iron core! The following equation holds true between the magnetic flux density B and the cross-sectional area S5 for each fixed core.

FsccB2X Ss         (1)ソレノ
イドの体格、即ち鉄心の大きさ、励磁コイルの大きさ形
状等を一足としたときの消費電力Wと磁束密度B、可動
鉄心!と固定鉄心6間の空隙Lgとの間には次の式が成
立することも周知のことである。
FsccB2X Ss (1) Power consumption W, magnetic flux density B, and movable iron core when considering the solenoid's size, that is, the size of the iron core, the size and shape of the excitation coil, etc. It is also well known that the following equation holds true between Lg and the gap Lg between the fixed iron core 6.

W20CB X Lg(2) (2)式から消費電力を一足とすると、LgとBは反比
例することが分る。一方(1)式から力F5はBの2乗
に比例する。故に例えばLgkl/2にすればBは2倍
になり、シ゛5は4倍になる。即ちソレノイドの体格が
きまった時は、同じ消費電力で同じストロークの所にお
ける力は一般的にはLgk小さくして、機械的にLgの
動き全拡大して使った方が、Lgを所要のストロークの
大きさにするより有利であるということである。
W20CB On the other hand, from equation (1), force F5 is proportional to the square of B. Therefore, for example, if Lgkl/2 is set, B will be doubled and Sheet 5 will be quadrupled. In other words, when the size of the solenoid is determined, it is generally better to reduce the force Lgk at the same stroke with the same power consumption, and mechanically expand the full movement of Lg, so that Lg reaches the required stroke. This means that it is more advantageous than increasing the size.

磁束密度Bに上限がなければ常に拡大した方が有利であ
るが、鉄等の磁性材料は磁束密度に上限があって、所謂
飽和現象があるから、拡大率にも上限が存在する。、し
かしながら一般的には拡大するのが有利であり、その故
に電磁リレー等では機械的レバーを用いて拡大している
If there is no upper limit to the magnetic flux density B, it would be advantageous to always expand it, but since magnetic materials such as iron have an upper limit to their magnetic flux density and are subject to the so-called saturation phenomenon, there is also an upper limit to the magnification rate. However, in general it is advantageous to expand, and therefore in electromagnetic relays and the like, mechanical levers are used for expansion.

しかしながら機械的レバーを用いることは拡大率の大き
い時には作り方が難しいし、父場所的制限も受ける1、
又拡大率の変更も簡単ではない。
However, using a mechanical lever is difficult to make when the magnification is large, and is also subject to space limitations1.
Also, changing the magnification rate is not easy.

本発明は可動鉄心J゛の動きを機械的に拡大して最も有
利にソレノイドの出力全利用出来るようにする、簡便で
広範囲に拡大率を変えられる非常に応用面の広い、拡大
方法を提供するものである。
The present invention provides an extremely versatile method of expansion that mechanically expands the movement of the movable core J' to make full use of the output of the solenoid in the most advantageous manner, and that is simple and allows the magnification ratio to be varied over a wide range. It is something.

本発明による時は、拡大率は可動鉄心tと可動棒tの断
面積の比できまるのであるから、連続的に数倍〜数10
倍の拡大が極く容易にできる。拡大率をあげると、スト
ロークの大きい所で有利になるが、吸引し終った所での
吸引力は磁性材の磁気飽和現象のためて拡大しない時よ
り小さくなる。
According to the present invention, since the magnification ratio is determined by the ratio of the cross-sectional areas of the movable iron core t and the movable rod t, the magnification ratio is continuously several times to several tens of times.
It is very easy to double the size. Increasing the magnification ratio is advantageous where the stroke is large, but the attraction force at the end of attraction is smaller than when no expansion is done due to the magnetic saturation phenomenon of the magnetic material.

しかしながらこのことは一般的には欠点とならず、むし
゛ろ吸引終期の力が必要以上に大きくなるの全防ぎ、過
大な音響の発生を防ぎ静かで且つ長寿命のソレノイドを
得るのに役立つ。
However, this is generally not a drawback; on the contrary, it completely prevents the force at the end of the suction from becoming larger than necessary, and helps to prevent excessive sound generation, resulting in a quiet and long-life solenoid.

又油/、2は可動部で潤滑油の役目をして可動部の摩耗
を防ぎ寿命の延長に役立つ。
In addition, the oil 2 acts as a lubricating oil in the moving parts, preventing wear of the moving parts and extending the life of the moving parts.

ソレノトドの外形寸法を変えずに可動棒?の直径を変え
て行くことによるソレノイドの特性変化の(Q様を第4
図に示す。
A movable rod without changing the external dimensions of the sole? The characteristics of the solenoid change by changing the diameter of the solenoid.
As shown in the figure.

第4図は可動棒♂の直径を変えることによる拡大率の差
によってソレノイドの特性の変化でる様子を定性的に示
したもので、第4図で(0■■■の順に直径が細くなっ
たときの特性を示す。
Figure 4 qualitatively shows how the characteristics of the solenoid change due to the difference in magnification caused by changing the diameter of the movable rod ♂. Indicates the characteristics of the time.

第4図に示したようにソレノイドの構造や体格を殆んど
変更せずに負荷に応じた良い特性のソレノイド全容易に
得られる。
As shown in FIG. 4, a solenoid with good characteristics depending on the load can be easily obtained without changing the structure or size of the solenoid.

本発明の特色はソレノイドの基本構造の中に油圧機器を
とり込んだ所にあり、可動棒?と小量の油72′lzr
:追加するだけで大変優れた特性のものを得られる。
The feature of the present invention is that hydraulic equipment is incorporated into the basic structure of the solenoid. and a small amount of oil 72'lzr
: Just by adding it, you can get something with very excellent characteristics.

油/2が可動棒rと可動鉄心!との隙間或は可動鉄心!
と巻枠//との間から漏れないようにすることは、Oリ
ング等を用いる公知の方法によって達成される。
Oil/2 is the movable rod r and the movable iron core! Gap or movable iron core!
Preventing leakage from between the material and the winding frame // is achieved by a known method using an O-ring or the like.

第5図は本発明の他の実施例を示す断面図である。FIG. 5 is a sectional view showing another embodiment of the present invention.

第5図で/Jl−4O+)ング、/4tはOリングの押
え板/jは磁性流体、/6は接着剤である。
In FIG. 5, /Jl-4O+), /4t is an O-ring holding plate, /j is a magnetic fluid, and /6 is an adhesive.

0リング/3は小さいのと大きいのと二つが夫々可動棒
tと可動鉄心!の周辺に用いられ油漏れを防止する。
0-ring/3 has a small and large movable rod T and movable iron core, respectively! Used around the area to prevent oil leakage.

/!は磁性流体で、これは継鉄りと可動鉄心!との間隙
に満たされる。この間隙は小さいのでその量は少ないが
、通電されている時にはこの間隙に磁力線が通り、磁性
流体はしっかりと固まり、油/2がこの間隙を通過する
のを妨げる。即ち通電中−で油圧の高い時にのみ、換言
すれば油漏れが起り易い時にのみ、特に有効に作用する
。接着剤/gは固定鉄心≦を巻枠//に固定すると共に
その間の油漏れを防止する。
/! is a magnetic fluid, and this is a yoke and a movable iron core! It fills the gap between. Since this gap is small, the amount is small, but when electricity is applied, lines of magnetic force pass through this gap, and the magnetic fluid solidifies and prevents oil/2 from passing through this gap. That is, it is particularly effective only when electricity is being applied and the oil pressure is high, in other words, only when oil leakage is likely to occur. The adhesive /g fixes the fixed core≦ to the winding frame // and prevents oil leakage between them.

第5図では可動棒?は固定鉄心乙の内部に迄貫通してい
る1、これは可動棒!のストロークを増大させたり、そ
の保持をしつかりさせるのに役立つ1、又固定鉄心6と
可動鉄心!との間の油を満たした空隙を、最も漏洩磁束
の少ない巻枠//の長手方向の中心部に置けるという利
点も生ずる。
Is it a movable rod in Figure 5? 1. This is a movable rod that penetrates to the inside of the fixed iron core B! 1. Fixed iron core 6 and movable iron core are useful for increasing the stroke and holding it firmly! An advantage also arises in that the oil-filled gap between the winding frame // and the winding frame // can be located at the longitudinal center of the winding frame // where leakage magnetic flux is least.

第を図は本発萌の他の実施例で所謂プル型の実施例を示
す断面図である。
Figure 5 is a sectional view showing another embodiment of the present invention, which is a so-called pull type embodiment.

第5図の実施例は通電によって可動棒♂を押し出す、所
謂ブツシュ型のソレノイドであったのに対して第6図は
通電によって可動棒!が引き込まれる型式のものである
The embodiment shown in Fig. 5 is a so-called bush type solenoid that pushes out the movable rod ♂ when energized, whereas the embodiment shown in Fig. 6 is a solenoid that pushes out the movable rod ♂ when energized! This is the type that attracts people.

第6図の可動棒lは、太い頭部を持ったピストく ン状に形成され、細い部分はhQられて固定鉄心!と継
鉄りを突き抜けて下部に出ている。今通電されて油圧が
上昇したとすると可動棒♂は押し上げられて上部に移動
し、その細い部分は引き込まれ所謂プル型として動作す
る。
The movable rod l in Figure 6 is shaped like a piston with a thick head, and the thin part is hQ and has a fixed iron core! It penetrates through the yoke and comes out at the bottom. If the current is applied and the oil pressure rises, the movable rod ♂ will be pushed up and moved to the top, and its thin portion will be retracted and operate as a so-called pull type.

第6図のものでは可動棒♂の太い部分に油漏れを防止す
る0リング/3が用いられている。
In the one shown in Fig. 6, an O-ring/3 is used on the thick part of the movable rod ♂ to prevent oil leakage.

第7図はプル型の他の実施例を示す。第7図で/7id
空気抜きの穴である。
FIG. 7 shows another embodiment of the pull type. In Figure 7/7id
It is an air vent hole.

第7図では可動棒の細い部分は上部に突き出しでおり、
固定鉄心!の穴は太くなって可動棒!の頭部を収納して
いる。第7図では通電により油田が上昇すると可動棒l
は下部に引き込まれプルノ〜りとなる1、この時固定鉄
心乙の穴の内部の空気田が高くならないように空気抜き
穴/2が設けられる3、第5〜7図で可動棒?からの油
漏れはQ IJソング防止したが、この代りに永久磁石
と磁性流体を用いて行なってもよいことは勿論である1
゜第8図に従来の通常のソレノイドとこれとほぼ同じ大
きさの本発明のソレノイドのパF、Y性の比較ヲ示す。
In Figure 7, the thin part of the movable rod protrudes from the top,
Fixed iron core! The hole becomes thicker and becomes a movable rod! It houses the head of In Figure 7, when the oil field rises due to energization, the movable rod l
is drawn into the lower part and becomes a pruno. 1. At this time, an air vent hole/2 is provided to prevent the air field inside the hole of the fixed core B from becoming high. 3. In Figures 5 to 7, is the movable rod? Although oil leakage from the Q IJ song was prevented, it is of course possible to use a permanent magnet and magnetic fluid instead.
FIG. 8 shows a comparison of the performance F and Y characteristics of a conventional solenoid and a solenoid of the present invention having approximately the same size.

大きさは共に24x29x40mm位である。Both sizes are about 24x29x40mm.

第81¥1でAは可動鉄心夕の直径17mmで可動棒!
の直径2.5mm、Bは同じ可動鉄心径で可動棒?の直
径’fr:4mmにした時の特性で必る。
In No. 81 ¥1, A is a movable rod with a movable iron core of 17 mm in diameter!
2.5mm in diameter, B is a movable rod with the same movable iron core diameter? This is necessary due to the characteristics when the diameter 'fr: 4mm.

0、Dは従来の型式のソレノイドの特性で、可動鉄心は
300の頂角をもつコーン型に形成されている。、 第8図での比較でも分るように、消費電力が少なくて腓
つストロークの大きい所での動作力は太きい。従って負
荷の性質によっては大変有効である1、ストロークの大
きい所では消費電力は1A〜いO位迄に節約できる。
0 and D are the characteristics of a conventional type solenoid, and the movable iron core is formed into a cone shape with an apex angle of 300 degrees. , As can be seen from the comparison in Figure 8, the power consumption is low and the operating force is large in areas where the bending stroke is large. Therefore, depending on the nature of the load, it is very effective. In places where the stroke is large, the power consumption can be reduced to 1A to 0.

以−F述べたように本発明は従来のソレノイドに可1す
1俸1本と小量の油全付加しただけで、次のような色々
の特長を得ることができる。
As mentioned above, the present invention can provide the following various features by simply adding a small amount of oil to the conventional solenoid.

(1)  吸引終期の所を除いて、同じ出力に対して消
費′電力が格段に少ない。
(1) Except for the final stage of suction, power consumption is much lower for the same output.

(2)小型でも大きなストロークが得られる。(2) A large stroke can be obtained even with a small size.

(3)麺汁を発しない。(3) Does not emit noodle soup.

(4)長寿命である1゜ (5)  吸引特性とストローク量を負荷に応じて広い
範囲で調整できる。
(4) Long life 1° (5) Suction characteristics and stroke amount can be adjusted over a wide range depending on the load.

以上のような多くの特長の為に本発明のソレノイドは電
池を使用した機器や、温度上昇を抑えられている機器や
、長いストローク全必要とする機器に用いて大きな効果
を発揮し、本発明の効果は著しい。
Due to the many features mentioned above, the solenoid of the present invention can be used to great effect in equipment that uses batteries, equipment that suppresses temperature rise, and equipment that requires a long stroke. The effect is remarkable.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は従来の電磁ソレノイドを示す断面図、第2図は
従来の電磁ソレノイドの吸引力特性を示す図、第3図は
本発明の一実施例を示す断面図、第4図は本発明による
電磁ソレノイドの特性変化を示す図、第5図・第6図及
び第7図は本発明の他の実施例を示す断面図、第8図は
従来のものと本発明との特性の比較を示す図である1、
!・・・・・可動鉄心、6 ・・・・1@定鉄心、7・
・・・・穴、?・・・・・可動棒、デ・・・・・継鉄、
10 ・・励内コイルストローク(、気〕 スト口−7 矛6同 ストロ−20νN)
Fig. 1 is a sectional view showing a conventional electromagnetic solenoid, Fig. 2 is a drawing showing the attractive force characteristics of a conventional electromagnetic solenoid, Fig. 3 is a sectional view showing an embodiment of the present invention, and Fig. 4 is a sectional view showing the present invention. Figures 5, 6, and 7 are sectional views showing other embodiments of the present invention, and Figure 8 is a comparison of characteristics between the conventional one and the present invention. 1, which is a diagram showing
! ...Movable iron core, 6 ...1 @ Fixed iron core, 7.
····hole,? ...movable rod, de...yoke,
10... Excitation coil stroke (, air) Stroke port - 7 Stroke 6 Stroke - 20νN)

Claims (3)

【特許請求の範囲】[Claims] (1)可動鉄心と、該可動鉄心を吸引する固定鉄心と、
これらの鉄心全励磁するコイルと、継鉄とから成る電磁
ソレノイドにおいて、前記可動鉄心及び固定鉄心の少く
とも一方に穴をあけて可動棒を挿通し、前記可動鉄心と
固定鉄心間に油を満たし、前記コイルに流れる励磁電流
により前記可動鉄心が移動することによって生ずる油圧
で前記可動棒を移動させることを特徴とする電磁ソレノ
イド。
(1) A movable iron core, a fixed iron core that attracts the movable iron core,
In an electromagnetic solenoid consisting of a coil that fully excites these iron cores and a yoke, a hole is made in at least one of the movable iron core and the fixed iron core, a movable rod is inserted through the hole, and oil is filled between the movable iron core and the fixed iron core. An electromagnetic solenoid, characterized in that the movable rod is moved by hydraulic pressure generated when the movable iron core is moved by an excitation current flowing through the coil.
(2)可動鉄心に穴をあけ、この穴に可動棒を挿通した
特許請求の範囲第1項記載の電磁ソレノイド。
(2) The electromagnetic solenoid according to claim 1, wherein a hole is made in the movable core and a movable rod is inserted into the hole.
(3)可動鉄心と固定鉄心の両方に穴をあけ、この穴に
可動棒を挿通した特許請求の範囲第1項記載の電磁ソレ
ノイド。
(3) The electromagnetic solenoid according to claim 1, wherein a hole is formed in both the movable core and the fixed core, and a movable rod is inserted into the hole.
JP4946882A 1982-03-27 1982-03-27 Electro-magnetic solenoid Pending JPS58166705A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4946882A JPS58166705A (en) 1982-03-27 1982-03-27 Electro-magnetic solenoid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4946882A JPS58166705A (en) 1982-03-27 1982-03-27 Electro-magnetic solenoid

Publications (1)

Publication Number Publication Date
JPS58166705A true JPS58166705A (en) 1983-10-01

Family

ID=12831968

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4946882A Pending JPS58166705A (en) 1982-03-27 1982-03-27 Electro-magnetic solenoid

Country Status (1)

Country Link
JP (1) JPS58166705A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4726331A (en) * 1986-05-06 1988-02-23 Yamaha Hatsudoki Kabushiki Kaisha Means for variable valve timing for engine
US11871831B2 (en) 2017-09-26 2024-01-16 Thomas J. McMullen Electrical automated nail-clipping device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4726331A (en) * 1986-05-06 1988-02-23 Yamaha Hatsudoki Kabushiki Kaisha Means for variable valve timing for engine
US11871831B2 (en) 2017-09-26 2024-01-16 Thomas J. McMullen Electrical automated nail-clipping device

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