JPS60129483A - Solenoid valve - Google Patents
Solenoid valveInfo
- Publication number
- JPS60129483A JPS60129483A JP23431483A JP23431483A JPS60129483A JP S60129483 A JPS60129483 A JP S60129483A JP 23431483 A JP23431483 A JP 23431483A JP 23431483 A JP23431483 A JP 23431483A JP S60129483 A JPS60129483 A JP S60129483A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve body
- insulating layer
- solenoid valve
- switch
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
- F16K31/0658—Armature and valve member being one single element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
- F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
- F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
- F02M51/0667—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature acting as a valve or having a short valve body attached thereto
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
- F02M65/005—Measuring or detecting injection-valve lift, e.g. to determine injection timing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
Description
【発明の詳細な説明】 本発明は電磁弁に関し、更に特定して述べると。[Detailed description of the invention] The present invention relates to solenoid valves, and more particularly.
弁体と弁座とによってスイッチを構成するようにした電
磁弁は関する。The present invention relates to a solenoid valve in which a switch is configured by a valve body and a valve seat.
一般に弁装置あ開閉状態に応じた電気信号を得るため、
弁体と弁座とによってスイッチを構成したもあが知らｉ
ており、このようなスイッチ付の電磁弁は、本出願人が
昭和５８年１２月７日提出した特許順において提案して
いるように、電磁弁を開閉開始直前の状態に保つように
した％磁弁駆動回路を構成する場合に必要とされる０こ
の種の弁装置としては、例えば、燃料噴射開始のタイミ
ング及び噴射終了のタイミングを示す電気信号を針弁の
動きに応じて取シ出す目的で、針弁とノズルボディとに
よって機械的スイッチを構成するようにした燃料噴射ノ
ズルが提案されている（特公昭５５−５０１８８号公報
）。この提案された燃料噴射ノベルは、針弁とボディと
の間の電気抵抗が噴射ノズルが閉じているときは零であ
るが、囲いているときはニードル弁の軸部とボディとの
間に燃料油の膜が介在しているために数０１ の値にな
るということを利用したものであるＱしかしながら、こ
の噴射弁では、針弁のリフトに応じて充分な抵抗値の変
化を得ることかできないという欠点を有している。Generally, in order to obtain electrical signals according to the open/closed state of the valve device,
A switch made up of a valve body and a valve seat
As proposed in the patent filed by the present applicant on December 7, 1981, such a solenoid valve with a switch is designed to maintain the solenoid valve in the state immediately before opening and closing. This type of valve device, which is required when configuring a magnetic valve drive circuit, has the purpose of, for example, extracting electric signals indicating the timing of the start and end of fuel injection in accordance with the movement of the needle valve. A fuel injection nozzle in which a mechanical switch is configured by a needle valve and a nozzle body has been proposed (Japanese Patent Publication No. 55-50188). This proposed fuel injection novel shows that the electrical resistance between the needle valve and the body is zero when the injection nozzle is closed, but when the injection nozzle is closed, there is no fuel between the needle valve shaft and the body. This takes advantage of the fact that the value is several 01 due to the presence of an oil film.However, with this injection valve, it is not possible to obtain a sufficient change in resistance value in response to the lift of the needle valve. It has the following drawbacks.
この不具合いを解消するため、ノズルがディ及び該ノズ
ルボディの、案内孔内で滑動する針弁を導ｔｔ性材料、
を用いて形成すると共に、表面に陽極酸化処理（アルマ
イト処理）がｍされたアルミニウムスリーブを針弁に固
定し、これによｐ針弁とノズルがディとの間の絶縁性を
保つようにした燃料噴射弁が提案されている（特開昭５
７−５２６７２号公報）。しかしながら、絶縁層を陽極
酸化処理によって形成する場合には、耐摩・耗性が充分
でなく、酸化膜がアルミニウムスリーブよシ剥離しやす
いという欠点を有している。更に、この燃料噴射弁では
、スリーブの母材がアルミニウムであるから、機械的強
度も充分でなく、耐久性にも問題があった。In order to eliminate this problem, the nozzle body and the needle valve that slides in the guide hole of the nozzle body are made of a conductive material.
An aluminum sleeve whose surface was anodized (anodized) was fixed to the needle valve, thereby maintaining insulation between the needle valve and the nozzle. A fuel injection valve has been proposed (Japanese Unexamined Patent Publication No. 5
7-52672). However, when the insulating layer is formed by anodic oxidation, the abrasion and abrasion resistance is insufficient and the oxide film tends to peel off from the aluminum sleeve. Furthermore, in this fuel injection valve, since the base material of the sleeve is aluminum, the mechanical strength is not sufficient and there are also problems in durability.
本発明の目的は、従って、電磁弁の弁体と弁体を案内す
る部材の摺動面との間の電気的絶縁状態を長期間に亘っ
て安定に保持することができ、弁体と弁座とによルスイ
ッチを構成することができる、耐久性に優れた電磁弁を
提供することにある〇本発明の構成は、本体内に形成さ
れた案内孔内で滑動する弁体を導電性材料を用いて形成
すると共に案内孔と弁体との間に絶縁層を設け、これに
よシ弁体が本体に形成された弁座に着座した時にのみ本
体と弁体とが電気的に接続されるスイッチが構成される
ようにした電磁弁であって、上記絶縁層が、耐摩耗性に
優れた絶縁材から成っている点に特徴を有する＠
上記絶縁層は、弁体の表面にイオングレーティング法に
よる絶縁処理を施すことによ多形成してもよい。Therefore, an object of the present invention is to be able to stably maintain an electrically insulated state between the valve body of a solenoid valve and the sliding surface of a member that guides the valve body over a long period of time. An object of the present invention is to provide a highly durable solenoid valve that can be configured as a seat-based switch. An insulating layer is provided between the guide hole and the valve body, so that the body and the valve body are electrically connected only when the valve body is seated on the valve seat formed on the body. This electromagnetic valve is characterized in that the insulating layer is made of an insulating material with excellent wear resistance. Multiple layers may be formed by performing insulation treatment using a grating method.
イオンシレーティング法によシ弁体の外則面に５１Ｏ２
等の絶縁被膜を付着せしめると九イオン化された絶縁材
料が印加電圧による高い運動エネルギーで針弁に結合す
るため、形成された絶縁層は緻密で母材との結合度が高
く、耐摩耗性に著しく優れた絶縁層を形成することがで
きる。また、イオンシレーティング法によると、印加電
圧と時間とを調節することによシ、形成される絶縁層の
厚さを比較的容易に制御することができるので、品質管
理が比較的簡単かつ確実に行なえる。51O2 is applied to the external surface of the valve body using the ion silating method.
When an insulating film such as the above is applied, the nine-ionized insulating material is bonded to the needle valve with high kinetic energy due to the applied voltage, so the formed insulating layer is dense and has a high degree of bonding with the base material, making it highly wear resistant. A significantly superior insulating layer can be formed. In addition, according to the ion silating method, the thickness of the insulating layer formed can be controlled relatively easily by adjusting the applied voltage and time, so quality control is relatively easy and reliable. can be done.
上記絶縁層は、また、弁体の表面に装着されるセラミッ
クスリーブとして形成してもよいし、耐摩耗性に優れた
絶縁性樹脂を用いて弁体の表面に被着して形成してもよ
い。この絶縁性樹脂としては、例えば、ポリフェニレン
スルフィド（ｐｐｓ ） ｋ’ａ用することができる◎
上述の如くして、絶縁材を弁体表面に被着すると、形成
された絶縁層は針弁と密着し゛Ｃ１耐摩耗性に優れた絶
縁層を容易に形成することかできる。The insulating layer may also be formed as a ceramic sleeve attached to the surface of the valve body, or may be formed by adhering it to the surface of the valve body using an insulating resin with excellent wear resistance. good. As this insulating resin, for example, polyphenylene sulfide (pps) k'a can be used.◎ When the insulating material is applied to the valve body surface as described above, the formed insulating layer will come into close contact with the needle valve. C1: An insulating layer with excellent wear resistance can be easily formed.
以下、図示の実施例によシ本発明の詳細な説明する。Hereinafter, the present invention will be explained in detail with reference to the illustrated embodiments.
第１図には、本発明による電磁弁の一実施例が一部断面
して示されている。電磁弁ｌは本体ケース２と、該本体
ケース２に固着される電−駆動部３と、該電磁駆動部３
によシ駆動される弁体４とを備えている。本体ケース２
は導−性材料から成り、弁体４の先端部４＆が着座する
弁ｉ５と、弁座５゛を介して本体ケース２内の室６に連
通するアウトレットｙＪｅ −） ７と、室６に連通し
ているインレットボート８とが形成されている・
電磁駆動部３のケーシング９は、図示しない適宜の手段
によシ渾体ケース２に固着されておシ、ケーシング９と
本体ケース２との間に設けられた０リング１０によりケ
ーシング９と本体ケース２ケーシング９内には、巻枠１
１に捲回されたｔ＠コイル１２が装着されてお多、巻枠
１１の中心部に設けられ九非磁性金属材
から臀る円筒状の案内部材１３によって弁体４が滑動自
在に支持、案内されている。FIG. 1 shows an embodiment of a solenoid valve according to the invention, partially in section. The solenoid valve l includes a main body case 2, an electric drive section 3 fixed to the main body case 2, and the electromagnetic drive section 3.
The valve body 4 is driven by the valve body 4. Main case 2
are made of a conductive material, and communicate with the valve i5 on which the tip end 4 of the valve body 4 is seated, the outlet yJe-) 7 which communicates with the chamber 6 in the main body case 2 via the valve seat 5', and the valve i5 which communicates with the chamber 6 through the valve seat 5'. The casing 9 of the electromagnetic drive section 3 is fixed to the rod case 2 by an appropriate means (not shown), and the inlet boat 8 is formed between the casing 9 and the main case 2. The winding frame 1 is inserted into the casing 9 and the main case 2 by the O-ring 10 provided in the casing 9 and the main case 2.
The coil 12 wound around the coil frame 11 is attached, and the valve body 4 is slidably supported by a cylindrical guide member 13 made of a non-magnetic metal material and provided at the center of the winding frame 11. being guided.
クニシング９の上端部には１．絶竺スリーフ１４を介し
て電極１５が嵌め込ま終ておシ１電極１５の一端はリニ
ド線１６に接続され、電極１５の他端龜、弁体４の凹み
４ｂ内に収納されてい、る弾発コイルばね１７に接触し
ており、この弾発コイ〜ルばね１７によシ弁体４が下方
にばね付勢され、電磁コイル１２に駆動電流が流れてい
ない場合には、弁座５の形状に相応した形状の先端部４
ａが弁座５に押圧され、電磁弁１は閉状態となる。−万
、電磁コイル１２に駆動電流が流れて、電磁コイル１２
が付勢されると、弁体４には電磁力が働き、弾発コイル
ばね１７のばね力に抗して弁体４は上方に移動し、先端
部４ａが弁座５からｌ１ｍ反し、この＊１．＠弁１ｔｊ
開状態となる。1. At the upper end of Kunishing 9. After the electrode 15 is fitted through the sleeve 14, one end of the electrode 15 is connected to the linide wire 16, and the other end of the electrode 15 is housed in the recess 4b of the valve body 4. When the valve body 4 is in contact with the coil spring 17 and the resilient coil spring 17 biases the valve body 4 downward, and no driving current is flowing through the electromagnetic coil 12, the shape of the valve seat 5 changes. The tip portion 4 has a shape corresponding to
a is pressed against the valve seat 5, and the solenoid valve 1 is closed. - 10,000, the driving current flows through the electromagnetic coil 12, and the electromagnetic coil 12
When the valve is energized, an electromagnetic force acts on the valve body 4, and the valve body 4 moves upward against the spring force of the resilient coil spring 17, and the tip 4a is turned 11 meters away from the valve seat 5, and this *1. @ben1tj
It becomes open.
弁体４及び弾発コイルばね１７は共に導電性材料から成
シ、従って、弁体４と電極１５とはコイルばね１７によ
シ常時電気的接触状態を保っている。Both the valve body 4 and the resilient coil spring 17 are made of a conductive material, so that the valve body 4 and the electrode 15 are always kept in electrical contact by the coil spring 17.
電磁弁１が開閉することにょ夛弁体４と弁座５とが接触
、離反することを利用して、弁体４と弁座５とによシ構
成されるスイッチを構成するため島弁体４の摺動面には
、案内部材１３の案内（ｉ１３ａと弁体４との間の電気
的絶縁を保つための絶縁層１８が形成されている。The valve body 4 and the valve seat 5 come into contact with and separate from each other when the solenoid valve 1 opens and closes. An insulating layer 18 for maintaining electrical insulation between the guide (i13a) of the guide member 13 and the valve body 4 is formed on the sliding surface of the valve body 4.
このように、弁体４の摺動面に絶縁層１８を形成し、案
内部材１３との電気的絶縁を保つように構成すると、弁
体４とケーシング９との間の電気的絶縁も確保され、電
磁弁１が開かれていて弁体４が弁座５から離反している
場合には本体ケース２とリード線１６とはオフ状態とな
夛電磁弁ｌが閉じられていて弁体４が弁座５に着座して
いる場合には本体ケース２とリード線１６とはオン状態
となる。即ち、弁体４と弁座５とによル、電磁弁１の開
閉に応じてオン、オフするスイッチが構成される。In this way, by forming the insulating layer 18 on the sliding surface of the valve body 4 and configuring it to maintain electrical insulation with the guide member 13, electrical insulation between the valve body 4 and the casing 9 is also ensured. When the solenoid valve 1 is open and the valve body 4 is separated from the valve seat 5, the main body case 2 and the lead wire 16 are in an OFF state, and when the solenoid valve 1 is closed and the valve body 4 is separated from the valve seat 5. When the valve seat 5 is seated, the main body case 2 and the lead wire 16 are in an on state. That is, the valve body 4 and the valve seat 5 constitute a switch that is turned on and off according to the opening and closing of the solenoid valve 1.
尚、絶′縁スリーブ１４の下端部にはフランジ部１４ｍ
が形成されていて、弁体４が１！磁コイル１２の付勢時
に上昇したときに弁体４の上端面がケーシング９と接触
することがない構成となりているが１弁体４の上端面に
も絶縁層を設けてよいことは勿論である。この絶縁層１
８は、例えばイオンブレーティング法によ６．５ｉｏ２
を弁体４の摺動面に被着せしめて形成することができる
・このように１絶縁物質をイオンブレーティング法を用
いて弁体４の外周面に被着せしめることＫよ多形成され
た絶縁層は、緻密で母材との結合度が高いため、耐摩耗
性に優れ、長期間の使用によっても絶縁性を保持するこ
とができる。Note that the lower end of the insulation sleeve 14 has a flange portion 14m.
is formed, and the valve body 4 is 1! Although the configuration is such that the upper end surface of the valve body 4 does not come into contact with the casing 9 when the magnetic coil 12 rises when energized, it is of course possible to provide an insulating layer on the upper end surface of the first valve body 4. be. This insulating layer 1
8 is, for example, 6.5io2 by ion blating method.
can be formed by depositing it on the sliding surface of the valve body 4.In this way, by depositing an insulating material on the outer circumferential surface of the valve body 4 using the ion blating method, a multi-layered insulating material can be formed. Since the insulating layer is dense and has a high degree of bonding with the base material, it has excellent wear resistance and can maintain its insulation properties even after long-term use.
尚、絶縁層１８を形成する材料としては、Ｓ１０□のほ
かに、例えばＡｔ２０３等、適宜の絶縁材料を使用する
ことができる。Note that as the material for forming the insulating layer 18, other than S10□, an appropriate insulating material such as At203 can be used.
この電磁弁ｌを用いて電磁弁１の開閉タイミングを示す
電気信号を得るためには、例えば、本体ケース２をアー
スすると共に、リード線１６を抵抗器を介してパワテリ
の正極に接続することにょシル電磁弁１の開閉動作に応
じてレベルが変化する電圧信号を抵抗器の両端から得る
ことができる・更Ｋ、絶ｔｓ層１８を形成するためのイ
オンブレーティング法としては、例えば、高周波励起イ
オンル−ティング法、クラスターイオンぜ−ム法、□電
子ビーム溶解法、ホローカソード法など、適宜１． 、
の方法を用いることができる◎ ５
上記実施例では、絶縁層１８をイオンブレーティング法
を用いて形成する場合について述べたが、絶縁層１８は
、セラミックスリーブを弁体４に競漕することによシ設
けてもよい。弁体４とセラミ、クスリーノとは、例えば
、接着剤等にょシ相菫に固着してもよく、このように、
絶縁層としてセラミツクチ具−ブを用いると、弁体４に
簡単に固着することができる上に、摩耗が少なぐ、案内
面１３ａにおける滑動性も良好に保持することができる
。In order to obtain an electric signal indicating the opening/closing timing of the solenoid valve 1 using this solenoid valve 1, for example, the main body case 2 must be grounded and the lead wire 16 must be connected to the positive terminal of the power battery via a resistor. A voltage signal whose level changes according to the opening/closing operation of the solenoid valve 1 can be obtained from both ends of the resistor.In addition, as an ion blating method for forming the absolute layer 18, for example, high frequency excitation is used. Ion routing method, cluster ion beam method, □electron beam melting method, hollow cathode method, etc. 1. ,
◎ 5 In the above embodiment, the case where the insulating layer 18 is formed using the ion blating method is described, but the insulating layer 18 can be formed by racing a ceramic sleeve to the valve body 4. You may also provide The valve body 4 and the ceramic or Kusurino may be bonded to each other with an adhesive, for example, and in this way,
If a ceramic tube is used as the insulating layer, it can be easily fixed to the valve body 4, and there is less wear, and good sliding properties on the guide surface 13a can be maintained.
絶縁層１８は、また、耐摩耗性に優れた絶縁性樹脂を用
いて形成してもよく、第２図には、この場合の弁体４の
構成が拡大して詳細に示されている。第２図に詳細に示
されるように、弁体４の外周面゛には、耐摩耗性に優れ
た絶縁性樹脂から成る絶縁層２０が被着されている。こ
の場合には、弁砧４の局面の中程には、凹み２１．２２
が形成さ□れておシ、従って、絶縁性樹脂を弁体４に成
形する時に絶縁層２０が弁体４の外表面に密着して被□
着されると共に１これらの凹み２１．２２内に絶縁層２
０の一部が入シ込み、絶縁層２ｏは弁体４に機械的ＦＣ
堅固に固着され、絶縁層２ｏが弁体４の周シで同転する
ことがない。The insulating layer 18 may also be formed using an insulating resin having excellent wear resistance, and FIG. 2 shows an enlarged detailed view of the structure of the valve body 4 in this case. As shown in detail in FIG. 2, an insulating layer 20 made of an insulating resin with excellent wear resistance is adhered to the outer peripheral surface of the valve body 4. In this case, there are recesses 21 and 22 in the middle of the curve of the valve 4.
Therefore, when molding the insulating resin into the valve body 4, the insulating layer 20 is tightly attached to the outer surface of the valve body 4 and is not covered.
Insulating layer 2 is placed within these recesses 21 and 22.
0 is infiltrated, and the insulating layer 2o is mechanically FCed into the valve body 4.
It is firmly fixed and the insulating layer 2o does not rotate around the circumference of the valve body 4.
□絶縁層２０を構成する絶縁性樹脂としては、例えば、
耐摩耗性に優れたポリフェニレンスルフィド（ｐｐｓ
）等を使用することができる。□As the insulating resin constituting the insulating layer 20, for example,
Polyphenylene sulfide (pps) with excellent wear resistance
) etc. can be used.
本発明によれば、弁体の局面に耐摩耗！１．に優れた絶
縁性材料から成る絶縁層を形成したので、弁抹が弁座に
着座したことにょ夛閉成される、信頼性が高く寿命の長
いスイッチを備えた電磁弁を得ることができる◎According to the present invention, the surfaces of the valve body are wear-resistant! 1. By forming an insulating layer made of an insulating material with excellent properties, it is possible to obtain a solenoid valve with a highly reliable and long-life switch that is closed when the valve pad is seated on the valve seat.
第１図は本発明による電磁弁の一実施例を示す断面図、
第２図は絶縁体を設けた弁体の拡大断面図である。
１・・・電磁弁、２・・・本体ケース、３・・・電磁駆
動部、４・・・弁体、４ａ・・・先端部、５・・・弁座
、９・・・クーシング、１１・・・巻枠、１２・・・電
磁コイル、１３・・・案ｒｌｌｌＩｔ湘、１４・・・絶
縁スリーブ、１５・・・電極、１７・・・弾発コイルば
ね、１８．２０・・・絶縁層□。
特許出願人 ヂーゼル機器株式会社
代理人 −埋土 高 野 昌 俊
手続補正書（自発）
昭和５９年２月７日
特許庁長官 若 杉 和 夫 殿
１、事件の表示
特願昭 ５８−２３４３１４号
２、発明の名称
電磁弁
３、補正をする者
事件との関係 特許出願人
住 所 東京都渋谷区渋谷３丁目６番７号名 称 （３
３３）ヂーゼル機器株式会社代表者 望 月 −成
４、代理人
住 所 〒１０５東京都港区芝３丁目４番１６号友和ビ
ル２階
にかけて「本出願人が・・・保つ」とあるのを下記の通
シ補正する。
「弁体の開閉タイミングを検出してフィートノ（ツクし
、電磁弁に印加する駆動）（ルスを補正して、電磁弁の
開閉タイミングを目標タイミングに一致させる」
（以上）
手続補正書（自発）
昭和５９年１０月２日
特許庁長官 志 賀 学 殿
１、事件の表示
特願昭５８−２３４３１４号
２、発明の名称
電 磁 弁
３、補正をする者
事件との関係 特許出願人
住所 東京都渋谷区渋谷３丁目６番７号名称 （３３３
）ヂーゼル機器株式会社代表者 望 月 −成
４、代理人
住所 〒１０５ 東京都港区芝３丁目４番１６号友和ビ
ル２階
（（ｌａ） ４５Ｂ−２ハ８
氏名 （７７５４）弁理士 高 野 昌 俊５、補正の
対象
６、補正の内容
（１） 特許請求の範囲の記載を別紙の通り補正する。
（２）明細書第２頁第７行目から同第３頁第１０行目に
かけて「構成する・―拳あった。」とあるのを下記の通
り補正する。
「構成するようにした燃料噴射弁が開示されている（特
開昭５３−６０４３２号公報）。この開示された燃料噴
射弁では（ノズルボディ及び該ノズルボディの案内孔内
で滑動する針弁を導電性材料を用いて形成し、導電性可
動部材である針弁の外面を０．２乃至０．３１Ｌ程度の
厚さのセラミック絶縁膜で蔽うか、又は酸化アルミニウ
ドを針弁の外面にスパッタさせて絶縁膜としている。
しかしながら、セラミックの薄膜を絶縁膜とする構成で
は耐摩耗性が低く、一方、酪化アルミニウムを針弁の外
面にスパッタさせて絶縁層とした場合には酸化アルミニ
ウムと針弁との間の密着性が悪く、従って、いずれにし
ても耐剥離性が充分でなく、耐久性に問題があり、長期
間安定に使用することがむずかしかった。」（以上）
１、 本体内に形成された案内孔内で滑動する弁体を導
電性材料を用いて形成すると共に案内孔と弁体との間に
絶縁層を設け、これにより弁体が本体に形成された弁座
に着座した時にのみ本体と弁体とが電気的に接続される
スイッチが構成されるようにした電磁弁であって、前記
絶縁層が、耐摩耗性に優れた絶縁材から成っていること
を特徴とする電磁弁。
弁。FIG. 1 is a sectional view showing an embodiment of a solenoid valve according to the present invention;
FIG. 2 is an enlarged sectional view of a valve body provided with an insulator. DESCRIPTION OF SYMBOLS 1... Solenoid valve, 2... Main body case, 3... Electromagnetic drive part, 4... Valve body, 4a... Tip part, 5... Valve seat, 9... Cushing, 11 ... winding frame, 12 ... electromagnetic coil, 13 ... plan rllllit xiang, 14 ... insulation sleeve, 15 ... electrode, 17 ... elastic coil spring, 18.20 ... insulation Layer □. Patent Applicant: Agent for Diesel Kiki Co., Ltd. - Buried Earth Masatoshi Takano Procedural Amendment (voluntary) February 7, 1980 Commissioner of the Patent Office Kazuo Wakasugi 1, Patent Application No. 58-234314 No. 2 , Name of the invention Solenoid valve 3, Relationship with the case of the person making the amendment Patent applicant address 3-6-7 Shibuya, Shibuya-ku, Tokyo Name (3
33) Diesel Kiki Co., Ltd. Representative Mochizuki-Sei 4, Agent address 105, Minato-ku, Tokyo, 3-4-16 Shiba, Tomowa Building, 2nd floor, there is a sign that says ``The applicant will maintain...'' Make the following corrections. "Detects the opening/closing timing of the valve body and applies a drive to the solenoid valve (corrects the pulse to match the opening/closing timing of the solenoid valve with the target timing)"(That's all) Procedural amendment (voluntary) October 2, 1980 Manabu Shiga, Commissioner of the Japan Patent Office1, Indication of the case, Patent Application No. 1982-2343142, Name of the invention: Electromagnetic valve3, Person making the amendment Relationship with the case Patent applicant address: Tokyo 3-6-7 Shibuya, Shibuya-ku Name (333
) Diesel Kiki Co., Ltd. Representative Mochizuki - Sei 4, Agent address 2nd floor, Tomowa Building, 3-4-16 Shiba, Minato-ku, Tokyo 105 ((la) 45B-2ha8 Name (7754) Patent attorney Takano Masatoshi 5, Subject of amendment 6, Contents of amendment (1) The statement of the claims is amended as shown in the attached sheet. (2) From page 2, line 7 of the specification to page 3, line 10 of the specification The sentence "Construction - I had a fist." has been corrected as follows: "A fuel injection valve configured with In the injection valve, the nozzle body and the needle valve that slides within the guide hole of the nozzle body are formed using a conductive material, and the outer surface of the needle valve, which is a conductive movable member, has a thickness of about 0.2 to 0.31L. The needle valve is covered with a thin ceramic insulating film, or aluminum oxide is sputtered on the outer surface of the needle valve to form an insulating film. However, structures that use a thin ceramic film as an insulating film have low wear resistance; When an insulating layer is formed by sputtering on the outer surface of the needle valve, the adhesion between the aluminum oxide and the needle valve is poor, so in any case, the peeling resistance is insufficient and there are problems with durability. It was difficult to use it stably for a long period of time.'' (above) 1. The valve body that slides within the guide hole formed in the main body is made of a conductive material, and there is a gap between the guide hole and the valve body. An electromagnetic valve is provided with an insulating layer, thereby forming a switch in which the main body and the valve body are electrically connected only when the valve body is seated on a valve seat formed on the main body, wherein the insulating layer A solenoid valve characterized in that the layer is made of an insulating material with excellent wear resistance.Valve.
Claims (1)
電性材料を用いて形成すると共に案内孔と弁体との間に
絶縁層を設ｆｆ、これによシ弁体ぞｊ本体に形成された
弁座に着座した時にのみ本体と弁体とが電気的に接続さ
れるスイッチが構成されるようｋした電磁弁であって、
前記絶縁層が、耐摩耗性に優れた絶縁材から成っている
ことを□特徴とする電磁弁。1. The valve body that slides within the guide hole formed in the main body is formed using a conductive material, and an insulating layer is provided between the guide hole and the valve body, so that the valve body is A solenoid valve configured to constitute a switch in which the main body and the valve body are electrically connected only when the valve body is seated on a valve seat formed in the valve seat,
□ A solenoid valve characterized in that the insulating layer is made of an insulating material with excellent wear resistance.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23431483A JPS60129483A (en) | 1983-12-14 | 1983-12-14 | Solenoid valve |
| GB08430978A GB2153907A (en) | 1983-12-14 | 1984-12-07 | Solenoid valve constituting an on-off switch |
| DE19843445721 DE3445721A1 (en) | 1983-12-14 | 1984-12-14 | MAGNETIC VALVE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23431483A JPS60129483A (en) | 1983-12-14 | 1983-12-14 | Solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60129483A true JPS60129483A (en) | 1985-07-10 |
Family
ID=16969061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23431483A Pending JPS60129483A (en) | 1983-12-14 | 1983-12-14 | Solenoid valve |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS60129483A (en) |
| DE (1) | DE3445721A1 (en) |
| GB (1) | GB2153907A (en) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0220551Y2 (en) * | 1985-02-27 | 1990-06-05 | ||
| JPS6220980A (en) * | 1985-07-18 | 1987-01-29 | Diesel Kiki Co Ltd | Solenoid-controlled valve |
| WO1992005363A1 (en) * | 1990-09-18 | 1992-04-02 | Lucas Industries Public Limited Company | Fuel injection nozzles |
| GB9225005D0 (en) * | 1992-11-30 | 1993-01-20 | Perkins Ltd | Improvements in or relating to fluid-flow control valves |
| DE19652719A1 (en) * | 1996-12-18 | 1998-06-25 | Daimler Benz Ag | Device for determining the opening and closing times of a valve |
| ES1039141Y (en) * | 1998-01-13 | 1999-03-16 | Bitron Ind Espana Sa | HIGH PRESSURE MODULATING SOLENOID VALVE. |
| SE512971C2 (en) * | 1998-10-19 | 2000-06-12 | Dresser Wayne Ab | Fuel pump unit and way to produce the same |
| DE10319329A1 (en) | 2003-04-29 | 2004-11-25 | Siemens Ag | Injector with seat contact switch |
| DE10333358B3 (en) * | 2003-07-23 | 2005-05-25 | Siemens Ag | Circuit arrangement and method for operating an injector arrangement and injector |
| DE102004001358B4 (en) * | 2004-01-08 | 2007-10-04 | Siemens Ag | Control method and control device for an actuator |
| DE102004015745A1 (en) * | 2004-03-31 | 2005-10-13 | Robert Bosch Gmbh | Device for injecting fuel into the combustion chamber of an internal combustion engine with a Nadelhubsensor |
| DE102004052005A1 (en) * | 2004-10-25 | 2006-05-11 | Raziol Zibulla & Sohn Gmbh | Device for applying fluid or paste medium, especially greasing means, on workpiece surface has device for position control of nozzle needle, whereby device checks whether nozzle needle occupies determined position |
| DE102005001283B4 (en) * | 2005-01-11 | 2008-04-17 | Siemens Ag | actuator device |
| DE102005001282B4 (en) * | 2005-01-11 | 2007-02-15 | Siemens Ag | actuator device |
| DE102005002796B4 (en) * | 2005-01-20 | 2009-01-08 | Continental Automotive Gmbh | valve device |
| DE102005007327B4 (en) | 2005-02-17 | 2010-06-17 | Continental Automotive Gmbh | Circuit arrangement and method for operating an injector arrangement |
| DE102005049259B3 (en) * | 2005-10-14 | 2007-01-04 | Siemens Ag | Valve device, especially injection valve for internal combustion engine, has electrically conducting valve body, electrically insulated integrated conducting valve needle guide in valve body that forms contact switch(es) with valve body |
| DE102007048461A1 (en) * | 2007-10-09 | 2009-04-16 | Thomas Magnete Gmbh | Electromagnetic valve for use in explosive atmosphere, has magnetic drive provided for driving valve piston that moves in longitudinal direction of valve, where one-chamber system is made of three-wall system |
| NL2003173C2 (en) * | 2009-07-09 | 2011-01-11 | Geva Sol B V | Ceramic seal assembly. |
| GB201513643D0 (en) * | 2015-08-03 | 2015-09-16 | Delphi Int Operations Lux Srl | Injection nozzle |
| DE202018100337U1 (en) * | 2018-01-22 | 2019-04-24 | Liebherr-Components Deggendorf Gmbh | Injector and device for detecting the state of such an injector |
| DE102018125803A1 (en) * | 2018-10-17 | 2020-04-23 | Liebherr-Components Deggendorf Gmbh | Injector |
| DE102020108665A1 (en) * | 2020-03-30 | 2021-09-30 | Liebherr-Components Deggendorf Gmbh | Nozzle needle for a fuel injector and injector housing for a nozzle needle |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1258903A (en) * | 1912-11-30 | 1918-03-12 | Walter E Howard | Valve. |
| US4111178A (en) * | 1976-11-08 | 1978-09-05 | General Motors Corporation | Ignition system for use with fuel injected-spark ignited internal combustion engines |
| DE2802901C3 (en) * | 1977-01-25 | 1981-01-15 | Murata Manufacturing Co., Ltd., Nagaokakyo, Kyoto (Japan) | Piezoelectric crystalline film |
| DE2925187A1 (en) * | 1979-06-22 | 1981-01-08 | Bosch Gmbh Robert | FUEL INJECTION NOZZLE FOR INTERNAL COMBUSTION ENGINES |
| JPS56156767A (en) * | 1980-05-02 | 1981-12-03 | Sumitomo Electric Ind Ltd | Highly hard substance covering material |
| DE3023230A1 (en) * | 1980-06-21 | 1982-01-07 | AZ Armaturen GmbH & Co KG, 7745 Schonach | Ball valve esp. for liquids contg. precipitating cpds. - has continuous casing lining of fluorinated hydrocarbon preventing dead spaces |
| DE3029721A1 (en) * | 1980-08-06 | 1982-03-04 | Robert Bosch Gmbh, 7000 Stuttgart | FUEL INJECTION VALVE FOR INTERNAL COMBUSTION ENGINES |
| DE3117779A1 (en) * | 1981-05-06 | 1982-11-25 | Robert Bosch Gmbh, 7000 Stuttgart | "FUEL INJECTION NOZZLE FOR INTERNAL COMBUSTION ENGINES" |
| GB2125894B (en) * | 1982-08-26 | 1986-09-17 | Lucas Ind Plc | I.c. engine fuel injection nozzle |
-
1983
- 1983-12-14 JP JP23431483A patent/JPS60129483A/en active Pending
-
1984
- 1984-12-07 GB GB08430978A patent/GB2153907A/en not_active Withdrawn
- 1984-12-14 DE DE19843445721 patent/DE3445721A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| GB2153907A (en) | 1985-08-29 |
| DE3445721A1 (en) | 1985-07-04 |
| GB8430978D0 (en) | 1985-01-16 |
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