JPH0343662A - Solenoid actuation valve assembly and injector - Google Patents
Solenoid actuation valve assembly and injectorInfo
- Publication number
- JPH0343662A JPH0343662A JP2163971A JP16397190A JPH0343662A JP H0343662 A JPH0343662 A JP H0343662A JP 2163971 A JP2163971 A JP 2163971A JP 16397190 A JP16397190 A JP 16397190A JP H0343662 A JPH0343662 A JP H0343662A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve member
- coil
- valve seat
- energized
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000446 fuel Substances 0.000 claims abstract description 46
- 238000002485 combustion reaction Methods 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims description 24
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
Classifications
-
- 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
- F02M51/0689—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means and permanent magnets
-
- 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
-
- 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
- F02M51/0635—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding
- F02M51/0642—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding the armature having a valve attached thereto
- F02M51/0653—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding the armature having a valve attached thereto the valve being an elongated body, e.g. a needle valve
-
- 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
- F02M51/08—Injectors peculiar thereto with means directly operating the valve needle specially for low-pressure fuel-injection
-
- 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
- F02M61/08—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series the valves opening in direction of fuel flow
-
- 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
- F02M67/00—Apparatus in which fuel-injection is effected by means of high-pressure gas, the gas carrying the fuel into working cylinders of the engine, e.g. air-injection type
- F02M67/10—Injectors peculiar thereto, e.g. valve less type
- F02M67/12—Injectors peculiar thereto, e.g. valve less type having valves
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fuel-Injection Apparatus (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野］
本発明は、燃料及び空気の混合気をエンジンの燃焼室へ
直接送給するインゼクタとして使用するに適したソレノ
イド作動弁組立体に関する。本発明のソレノイド作動弁
組立体は、例えば、米領噂許第４，７５９，３３５号明
細書に開示された如き、第１及び第２弁部材と；第１及
び第２弁座と；ソレノイドコイルと；第１弁部材に接続
され、ソレノイドコイルを付勢したときに第１弁部材を
第１弁座から変位させうるように作用する第１永久磁石
アーマチュアと；第２弁部材に接続され、ソレノイドコ
イルを付勢したときに第２弁部材を第２弁座から変位さ
せうるように作用する第２永久磁石アーマチュアとを有
する型式のものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a solenoid operated valve assembly suitable for use as an injector for delivering a mixture of fuel and air directly into the combustion chamber of an engine. The solenoid-operated valve assembly includes first and second valve members; first and second valve seats; and a solenoid coil, such as that disclosed in U.S. Pat. No. 4,759,335, for example. a first permanent magnet armature connected to the first valve member and operative to displace the first valve member from the first valve seat when the solenoid coil is energized; a first permanent magnet armature connected to the second valve member and acting to displace the first valve member from the first valve seat; and a second permanent magnet armature operative to displace the second valve member from the second valve seat when the coil is energized.
［発明の構５１Ｅ］
本発明の特徴とするところは、第１永久磁石アーマチュ
アが、正の電流でソレノイドコイルを付勢したときに第
１弁座からの第１弁部材の変位を許容するように作用し
；第２永久磁石アーマチュアが、負の電流でソレノイド
コイルを付勢したときに第２弁座からの第２弁部材の変
位を許容するように作用し；第１永久磁石アーマチュア
が更に、負の電流でソレノイドコイルを付勢したときに
第１弁部材を第１弁座に係合させるため第１弁部材を偏
倚するように作用し；第２永久磁石アーマチュアが更に
、正の電流でソレノイドコイルを付勢したときに第２弁
部材を第２弁座に係合させるため第２弁部材を偏倚する
ように作用するようになっていることである。[Structure of the Invention 51E] The present invention is characterized in that the first permanent magnet armature allows displacement of the first valve member from the first valve seat when the solenoid coil is energized with a positive current. the second permanent magnet armature is operative to permit displacement of the second valve member from the second valve seat when the solenoid coil is energized with a negative current; , acting to bias the first valve member into engagement with the first valve seat when energizing the solenoid coil with a negative current; When the solenoid coil is energized, the second valve member is biased to cause the second valve member to engage the second valve seat.
［実施例］
第１−３図を参照すると、インゼクタ１０は、燃料人口
１４からの燃料と空気入口１６からの空気とを受入れる
本体１２を有する。ポール（球）型の燃料定量供給弁（
ボール弁）１８は燃料入口１４を制御する。ボール弁１
８が開いたとき、燃料は、オリフィス２０を通して、中
央通路２２、及び通路２２の下端部を取り巻く弁座２６
に係合するポペット型の混合気送給弁２４へ定量供給さ
れる。弁２４が開いたとき、この弁は燃料及び空気の混
合気をエンジンの燃焼室へ直接送給する。EXAMPLE Referring to FIGS. 1-3, an injector 10 has a body 12 that receives fuel from a fuel population 14 and air from an air inlet 16. Pole (ball) type fuel fixed supply valve (
Ball valve ) 18 controls fuel inlet 14 . ball valve 1
When 8 is open, fuel flows through the orifice 20 into the central passage 22 and into the valve seat 26 surrounding the lower end of the passage 22.
A fixed amount is supplied to a poppet-type mixture supply valve 24 that engages with the air-fuel mixture. When valve 24 is open, it delivers a mixture of fuel and air directly to the combustion chamber of the engine.
ボール弁１８は、ディスク３２及び押し棒３４を介して
作用するコイルバネ３０により入口１４の弁座２８に係
合するように偏倚せしめられている。ポペット弁２４は
、このポペット弁のステム３８に作用するダイアプラム
型のバネ３６により弁座２６に係合するように偏倚せし
められている。The ball valve 18 is biased into engagement with the valve seat 28 of the inlet 14 by a coil spring 30 acting through a disc 32 and a push rod 34. Poppet valve 24 is biased into engagement with valve seat 26 by a diaphragm-type spring 36 acting on a stem 38 of the poppet valve.
ディスク３２は本体１２の中央柱４２に螺合したコイル
４０の永久磁石アーマチュアを構成する。Disk 32 constitutes a permanent magnet armature of coil 40 which is threaded onto central post 42 of body 12.
コイル４０を第２図に示すように負の電流で付勢したと
き、このコイル４０はバネ３０の偏倚力に抗してディス
クアーマチュア３２を吸引し、入口１４内の燃料圧力に
よりボール弁１８及び押し棒３４を持ち上げ、これによ
り、燃料はボール弁１８のまわりを通って、オリフィス
２０を介して中央通路２２へ定量供給される。所望量の
燃料が通路２２へ定量供給されたとき、コイル４０が去
勢され、バネ３０がボール弁１８をその弁座２８に再度
係合させる。When coil 40 is energized with a negative current as shown in FIG. 2, it attracts disk armature 32 against the biasing force of spring 30, and the fuel pressure in inlet 14 causes ball valve 18 and Push rod 34 is raised, which allows fuel to be metered around ball valve 18 and through orifice 20 into central passage 22 . When the desired amount of fuel has been metered into passageway 22, coil 40 is energized and spring 30 reengages ball valve 18 with its valve seat 28.
別の永久磁石アーマチュア４４が弁ステム３８に固定さ
れている。アーマチュア４４は入口１６から通路２２へ
の空気の流れを許容する開口４５を有する。第３図に示
すように負の電流でコイル４０を付勢したとき、このコ
イル４０はバネ３６の偏倚力Ｉこ抗してアーマチュア４
４を吸引し、これにより、ポペット弁２４が弁座２６か
ら離れるように変位し、通路２２内の燃料及び空気の混
合気がエンジンへ送給される。混合気がエンジンへ送給
されてしまったとき、コイル４０が去勢され、バネ３６
が（混合気送給）弁２４をその弁座２６へ再度着座させ
る。Another permanent magnet armature 44 is secured to the valve stem 38. Armature 44 has an opening 45 that allows air flow from inlet 16 to passageway 22 . When the coil 40 is energized with a negative current as shown in FIG.
4, thereby displacing the poppet valve 24 away from the valve seat 26 and delivering the fuel and air mixture in the passageway 22 to the engine. When the mixture has been delivered to the engine, the coil 40 is deenergized and the spring 36
(mixture delivery) valve 24 is reseated in its valve seat 26.
アーマチュア３２を吸引し通路２２へ燃料を定量供給す
るように正の電流でコイル４０を付勢したとき、アーマ
チュア４４が再度吸引され、バネ３６の閉弁力を増大さ
せ、混合気送給弁２４を弁座２６に着座させた状態に維
持する。アーマチュア４４を吸引し通路２２から燃料及
び空気の混合気を送給するように負の電流でコイル４０
を付勢したとき、アーマチュア３２が再度吸引され、バ
ネ３０の閉弁力を増大させ、燃料定量供給弁１８を弁座
２８に着座させた状態に維持する。When the coil 40 is energized with a positive current to attract the armature 32 and supply a fixed amount of fuel to the passage 22, the armature 44 is attracted again, increasing the valve closing force of the spring 36, and increasing the valve closing force of the mixture supply valve 22. is maintained seated on the valve seat 26. A negative current is applied to the coil 40 to attract the armature 44 and deliver a mixture of fuel and air from the passageway 22.
When energized, the armature 32 is again attracted, increasing the closing force of the spring 30 and keeping the fuel metering valve 18 seated on the valve seat 28.
アーマチュア３２が第１．３図に示す位置にあるとき、
このアーマチュアはストッパ４６に係合し、本体１２に
対して適正な整合関係に維持される。When the armature 32 is in the position shown in Figure 1.3,
The armature engages stop 46 and is maintained in proper alignment with body 12.
インゼクタ１０の組立ては、ボール弁１８及び押し棒３
４を本体１２内に配置し、アーマチュア３２及びバネ３
０を本体１２内に配置し、コイル４０を柱４２に螺合さ
せることにより、行う。コイル４０がアーマチュア３２
に接触するまで、即ちコイル４０がアーマチュア３２に
着座するまで、コイル４０を柱４２上に螺入する。次い
で、コイル４０を適当な量だけ螺出し、アーマチュア３
２とコイル４０との間に所望のエアギャップを設定する
。止めナツト４８を柱４２に螺入してコイル４０を所望
の位置に保持する。ｙ４整リング５０を本体１２内に螺
入して、バネ３０の所望の偏倚力を設定するようにこの
調整リングを位置決めする。The injector 10 is assembled by the ball valve 18 and the push rod 3.
4 is placed in the main body 12, the armature 32 and the spring 3
This is done by placing the coil 40 in the main body 12 and screwing the coil 40 onto the column 42. Coil 40 is armature 32
Thread the coil 40 onto the post 42 until it contacts the armature 32, ie, until the coil 40 is seated in the armature 32. Next, screw out the coil 40 by an appropriate amount and attach it to the armature 3.
2 and the coil 40. A locking nut 48 is threaded into post 42 to hold coil 40 in the desired position. Thread the Y4 adjustment ring 50 into the body 12 and position it to set the desired biasing force of the spring 30.
０−りングシール５２．５４がリング５０を本体１２及
びコイル４０に対してシールし、止めネジ５６がリング
５０を所望の位置に保持する。ポペット弁２４を本体１
２内へ挿入し、アーマチュア４４を弁ステム３８上に螺
入する。アーマチュア４４はコイル４０に接触するまで
弁ステム３８上に螺入され、次いで適当な量だけ螺出し
て、アーマチュア４４とコイル４０との間に所望のエア
ギャップを設定する。止めナツト５８をステム３８に螺
入し、アーマチュア４４を所望の位置に保持する。クラ
ンプリング６０を本体１２内へ挿入し、バ、ｆ、３６を
本体１２内及びステム３８上に取り付ける。調整ナツト
６２をステム３８上に螺入し、バネ３６の所望の偏倚力
を設定するようにこの調整ナツトを位置決めする。止め
ナツト６４をステム３８上に螺入し、調整ナツト６２を
所望の位置に保持する。キャップ６６を本体１２に挿入
し、バネ３６を固定すると共に本体１２の頂部を閉じる
。０−リング６８がキャップ６６を本体１２に対してシ
ールする。O-ring seals 52,54 seal ring 50 to body 12 and coil 40, and set screws 56 hold ring 50 in the desired position. The poppet valve 24 is attached to the main body 1.
2 and thread the armature 44 onto the valve stem 38. Armature 44 is threaded onto valve stem 38 until it contacts coil 40 and then threaded out the appropriate amount to establish the desired air gap between armature 44 and coil 40. A locking nut 58 is threaded onto the stem 38 to hold the armature 44 in the desired position. Clamp ring 60 is inserted into body 12 and bar, f, 36 is installed within body 12 and onto stem 38. Adjustment nut 62 is threaded onto stem 38 and positioned to set the desired biasing force of spring 36. A locking nut 64 is threaded onto the stem 38 to hold the adjustment nut 62 in the desired position. Cap 66 is inserted into body 12 to secure spring 36 and close the top of body 12. An O-ring 68 seals the cap 66 to the body 12.
第４−６図を参照すると、インゼクタ１１０は燃料供給
チューブ１１４かもの燃料及び空気供給チューブ１１６
からの空気を受取る多片ハウジング１１２を有する。ボ
ール型の燃料定量供給弁（ボール弁）１１８はチューブ
１１４からの燃料の流れを制御する。ボール弁１１８が
開いたとき、燃料はオリフィス１２０を通してキャビテ
ィ１２２へ定量供給される。ポペット型の混合気送給弁
１２４はキャビティ１２２の下端から開口したノズル１
２７の弁座１２６に係合する。弁１２４が開いたとき、
この弁は燃料及び空気の混合気をエンジンの燃焼室へ直
接送給する。4-6, the injector 110 includes a fuel supply tube 114 and a fuel and air supply tube 116.
It has a multi-piece housing 112 that receives air from the air. A ball-shaped fuel metering valve (ball valve) 118 controls the flow of fuel from tube 114 . When ball valve 118 opens, fuel is metered into cavity 122 through orifice 120. A poppet-type air-fuel mixture supply valve 124 has a nozzle 1 opened from the lower end of the cavity 122.
27 valve seat 126. When valve 124 opens,
This valve delivers the fuel and air mixture directly to the combustion chamber of the engine.
ボール弁１１８は、ディスク１３２、このディスク１３
２に螺入した押し棒１３３及びビン１３４を介して作用
するコイルバネ１３０により弁座１２８に係合するよう
に偏倚せしめられている。ポペット弁１２４は、このポ
ペット弁のステム１３８に螺合したディスク１３７を介
して作用するコイルバネ１３６により弁座１２６に係合
するように偏倚せしめられている。The ball valve 118 is connected to the disk 132 and this disk 13.
It is biased into engagement with the valve seat 128 by a coil spring 130 acting through a push rod 133 and pin 134 screwed into the valve seat 128. The poppet valve 124 is biased into engagement with the valve seat 126 by a coil spring 136 acting through a disk 137 threaded onto the poppet stem 138.
ディスク１３２．１３７は磁性コア１４２に巻いたコイ
ル１４０の永久磁石アーマチュアを構成する。コイル１
４０を第４図に示すように去勢したとき、アーマチュア
１３２がコア１４２の頂部の方へ吸引され、ボール弁１
１８を弁座１２８に着座させる。一方、アーマチュア１
３７はコア１４２の底部の方へ吸引され、ポペット弁１
２４を弁座１２６に係合させる。The disks 132, 137 constitute a permanent magnet armature of a coil 140 wound around a magnetic core 142. coil 1
When the valve 40 is castrated as shown in FIG.
18 is seated on the valve seat 128. On the other hand, armature 1
37 is drawn towards the bottom of the core 142 and the poppet valve 1
24 is engaged with the valve seat 126.
第５図に示すように正の電流でコイル１４０を付勢した
とき、コイル１４０は、バネ１３０の偏倚力及びアーマ
チュア１３２とコア１４２との間の磁気吸引力に抗して
、アーマチュア１３２を動かし、入口１１４内の燃料圧
力がボール弁１１Ｂ及びビン１３４を持ち上げ、燃料は
ボール弁１１８のまわりを流れ、オリフィス１２０を通
してキャビティ１２２へ定量供給される。所望量の燃料
がキャビティ丸２２へ定量供給されたとき、コイル１４
０が去勢され、バネ１３０の偏倚力及び−アマチュア３
１２とコア１４２との間の磁気吸引力が、燃料定量供給
弁１１８をその弁座１２８に再度係合させる。When the coil 140 is energized with a positive current as shown in FIG. 5, the coil 140 moves the armature 132 against the biasing force of the spring 130 and the magnetic attraction force between the armature 132 and the core 142. , fuel pressure in inlet 114 lifts ball valve 11B and bottle 134, and fuel flows around ball valve 118 and is metered into cavity 122 through orifice 120. When a desired amount of fuel is supplied to the cavity circle 22, the coil 14
0 is castrated, the biasing force of spring 130 and - armature 3
12 and core 142 causes fuel dispensing valve 118 to reengage its valve seat 128.
第６図に示すように負の電流でコイル１４０を付勢した
とき、このコイル１４０は、バネ１３６の偏倚力及びア
ーマチュア１３７とコア１４２との間の磁気吸引力に抗
して、アーマチュア１３７を吸引し、これにより、ポペ
ット弁１２４が弁座１２６から離れるように変位し、キ
ャビティ１２２内の燃料及び空気の混合気がエンジンへ
送給される。混合気がエンジンへ送給されてしまったと
き、コイル１４０が去勢され、バネ１３６の偏倚力及び
アーマチュア１３７とコア１４２との間の磁気吸引力が
（混合気送給）弁１２４をその弁座１２６へ再度着座さ
せる。When the coil 140 is energized with a negative current as shown in FIG. suction, which displaces the poppet valve 124 away from the valve seat 126 and delivers the fuel and air mixture within the cavity 122 to the engine. When the mixture has been delivered to the engine, the coil 140 is energized and the biasing force of the spring 136 and the magnetic attractive force between the armature 137 and the core 142 force the (air mixture delivery) valve 124 toward its valve seat. 126 to be seated again.
アーマチュア１３２を吸引しキャビティ１２２へ燃料を
定量供給するように正の電流でコイル１４０を付勢した
とき、アーマチュア１３７はコア１４２に吸引されたま
まの状態を維持し、バネ１３６の閉弁力を増大させ、混
合気送給弁１２４を弁座１２６に着座させた状態に維持
する。アーマチュア１３７を吸引しキャビティ１２２か
ら燃料及び空気の混合気を送給するように負の電流でコ
イル１４０を付勢したとき、アーマチュア１３２はコア
１４２に吸引されたままの状態を維持し、バネ１３０の
閉弁力を増大させ、燃料定量供給弁１１８を弁座１２８
に着座させた状態に維持する。When the coil 140 is energized with a positive current to attract the armature 132 and supply a fixed amount of fuel to the cavity 122, the armature 137 remains attracted to the core 142, and the valve closing force of the spring 136 is applied. and maintain the air-fuel mixture delivery valve 124 seated on the valve seat 126. When the coil 140 is energized with a negative current to attract the armature 137 and deliver a mixture of fuel and air from the cavity 122, the armature 132 remains attracted to the core 142 and the spring 130 increases the valve closing force of the fuel constant supply valve 118 to the valve seat 128.
Keep the person seated.
インゼクタ１１０の組立ては、ノズル１２７をハウジン
グ１１２内へ挿入し、調整板１４５をノズル１２７の上
端に螺合させ、ハウジング１２２に担持されｔ：回転止
めビン１４７上に調整板を取り付けることにより、行う
。止めナツト１４９をノズル１２７に螺入してノズルを
適所に保持する。The injector 110 is assembled by inserting the nozzle 127 into the housing 112, screwing the adjustment plate 145 onto the upper end of the nozzle 127, and attaching the adjustment plate to the rotation stopper 147 carried by the housing 122. . A locking nut 149 is threaded onto the nozzle 127 to hold the nozzle in place.
ハウジング１１２の肩部１５３に接するようにストッパ
１５１を挿入し、バネ１３６を配置し、ポペット弁１２
４を挿入する。アーマチュア１３７の頂部がハウジング
の肩部１５５に整合するまで、アーマチュア１３７を弁
ステム１３８上へ螺入し、肩部１５５に接するようにコ
イル１４０を挿入し、止めネジ１５７でコイル１４０を
固定する。コイル１４０とアーマチュア１３７との間の
間隔は、アーマチュア１３７を回転させない状態で弁１
２４を回転させることにより、所望の値に調整させる。The stopper 151 is inserted so as to contact the shoulder 153 of the housing 112, the spring 136 is placed, and the poppet valve 12 is closed.
Insert 4. Thread armature 137 onto valve stem 138 until the top of armature 137 aligns with shoulder 155 of the housing, insert coil 140 against shoulder 155, and secure coil 140 with set screw 157. The distance between the coil 140 and the armature 137 is such that when the armature 137 is not rotated, the valve 1
By rotating 24, the desired value can be adjusted.
止めナツト１５９を弁ステム１３８上に螺入する。ノズ
ル１２７をハウジング１１２及び板１４５内で回転させ
てバネ１３６の力を調整し、止めナツト１４９を締め付
ける。ボール弁１１８、ビン１３４及び燃料供給チュー
ブ１１４を含むプレナム部材１６１をコア１４２の肩部
１６３に接するように挿入する。コイル１４０の頂部に
接するようにアーマチュア１３７を挿入し、押し棒１３
３を調整してボール弁１１８を弁座１２８に係合させ、
止めナツト１６４を押し棒１３３の頂部に螺入して押し
棒１３３の所望の調整度を維持する。バネ１３０を挿入
し、ハウジング１１２に蓋１６５を螺合する。蓋１６５
の内側にストッパ１６７を形成し、ストッパ１６７がア
ーマチュア１３２に係合するまで蓋１６５をハウジング
１１２に螺入し、次いで、蓋１６５を螺出して、アーマ
チュア１３２とストッパ１６７との間に所望の間隙を設
定する。止めナツトで蓋１６５をハウジング１１２に固
定する。蓋１６５はバネ１３０の力を確立するように調
整されるネジ１６９を担持しており、止めナツト１７１
をネジ１６９のまわりに螺入する。割り型止めナツト１
７３を燃料供給チューブ１１４のまわりで締め付けて、
プレナム部材１６１を肩部１６３に接触維持させる。Thread lock nut 159 onto valve stem 138. Nozzle 127 is rotated within housing 112 and plate 145 to adjust the force of spring 136 and tighten nut 149. Plenum member 161, including ball valve 118, bottle 134, and fuel supply tube 114, is inserted against shoulder 163 of core 142. Insert the armature 137 so that it touches the top of the coil 140, and push the push rod 13
3 to engage the ball valve 118 with the valve seat 128,
A locking nut 164 is threaded onto the top of the push rod 133 to maintain the desired degree of adjustment of the push rod 133. Insert the spring 130 and screw the lid 165 onto the housing 112. Lid 165
Form a stopper 167 inside the housing 112, screw the lid 165 into the housing 112 until the stopper 167 engages the armature 132, and then unscrew the lid 165 to create the desired gap between the armature 132 and the stopper 167. Set. The lid 165 is secured to the housing 112 with a locking nut. The lid 165 carries a screw 169 that is adjusted to establish the force of the spring 130 and a locking nut 171
around screw 169. Split type retaining nut 1
73 around the fuel supply tube 114,
Plenum member 161 is maintained in contact with shoulder 163.
第１図は本発明を利用したインゼクタの一実施例の概略
縦断面図、
第２図は第１図と同様の図であるが、燃料定量供給中の
状態を示す図、
第３図は第１図と同様の図であるが、燃料及び空気の混
合気を送給中の状態を示す図、第４図は別の実施例に係
るインゼクタの概略縦断面図、
第５図は第４図と同様の図であるが、燃料定量供給中の
状態を示す図、
第６図は第４図と同様の図であるが、燃料及び空気の混
合気を送給中の状態を示す図である。
符号の説明
１０．１１０：ソレノイド作動弁組立体１４．１１４：
燃料入口
１６．１１６二空気入口
１８．１１８：燃料定量供給弁（第１弁部材）２４．１
２４：混合気送給弁（第２弁部材）２６．１２６：弁座
（第２弁座）
２８．１２８二弁座（第１弁座）
３２．１３２：永久磁石アーマチュア（第１永久磁石ア
ーマチュア）
４０．１４０：コイル
４４．１３７：永久磁石アーマチュア（第２永久磁石ア
ーマチュア）
外４名
ＦＩＧ、４
ＦＩＧ、５
ＦＩＧ、６FIG. 1 is a schematic vertical cross-sectional view of an embodiment of an injector using the present invention, FIG. 2 is a diagram similar to FIG. 1, but showing a state in which a mixture of fuel and air is being fed; FIG. 4 is a schematic vertical sectional view of an injector according to another embodiment; FIG. 5 is a diagram similar to FIG. Figure 6 is a diagram similar to Figure 4, but shows a state in which a fixed amount of fuel is being supplied. Figure 6 is a diagram similar to Figure 4, but shows a state in which a mixture of fuel and air is being supplied. . Description of symbols 10.110: Solenoid operated valve assembly 14.114:
Fuel inlet 16.116 Two air inlets 18.118: Fuel constant supply valve (first valve member) 24.1
24: Mixture feed valve (second valve member) 26.126: Valve seat (second valve seat) 28.128 Two valve seats (first valve seat) 32.132: Permanent magnet armature (first permanent magnet armature ) 40.140: Coil 44.137: Permanent magnet armature (second permanent magnet armature) 4 other people FIG, 4 FIG, 5 FIG, 6
Claims (1)
、１２４）と；第１弁座（２８、１２８）及び第２弁座
（２６、１２６）と；ソレノイドコイル（４０、１４０
）と；前記第１弁部材（１８、１１８）に接続され、前
記ソレノイドコイル（４０、１４０）を付勢したときに
該第１弁部材（１８、１１８）を前記第１弁座（２８、
１２８）から変位させうるように作用する第１永久磁石
アーマチュア（３２、１３２）と；前記第２弁部材（２
４、１２４）に接続され、前記ソレノイドコイル（４０
、１４０）を付勢したときに該第２弁部材（２４、１２
４）を前記第２弁座（２６、１２６）から変位させうる
ように作用する第２永久磁石アーマチュア（４４、１３
７）とを有するソレノイド作動弁組立体（１０、１１０
）におい前記第１永久磁石アーマチュア（３２、１３２
）が、正の電流で前記ソレノイドコイル（４０、１４０
）を付勢したときに前記第１弁座（２８、１２８）から
の前記第１弁部材（１８、１１８）の変位を許容するよ
うに作用し；前記第２永久磁石アーマチュア（４４、１
３７）が、負の電流で前記ソレノイドコイル（４０、１
４０）を付勢したときに前記第２弁座（２６、１２６）
からの前記第２弁部材（２４、１２４）の変位を許容す
るように作用し；前記第１永久磁石アーマチュア（３２
、１３２）が更に、負の電流で前記ソレノイドコイル（
４０、１４０）を付勢したときに前記第１弁部材（１８
、１１８）を前記第１弁座（２８、１２８）に係合させ
るため同第１弁部材を偏倚するように作用し；前記第２
永久磁石アーマチュア（４４、１３７）が更に、正の電
流で前記ソレノイドコイル（４０、１４０）を付勢した
ときに前記第２弁部材（２４、１２４）を前記第２弁座
（２６、１２６）に係合させるため同第２弁部材を偏倚
するように作用するようになっている；ことを特徴とす
るソレノイド作動弁組立体。 ２、請求項１に記載のソレノイド作動弁組立体（１０、
１１０）を備えた、エンジンの燃焼室へ燃料及び空気の
チャージを直接送給するためのインゼクタにおいて、 空気入口（１６、１１６）と燃料入口（１４、１１４）
とを備え； 前記の第１弁座（２８、１２８）が該燃料入口（１４、
１１４）に関連しており； 前記の第１弁部材（１８、１１８）を燃料定量供給弁と
し； 前記燃料入口に関連する前記第１弁座（２８、１２８）
に該燃料定量供給弁（１８、１１８）を係合させるよう
に同燃料定量供給弁を偏倚するバネ（３０、１３０）を
備え； 前記の第２弁座（２６、１２６）を、エンジンへ送給す
べき燃料及び空気を流通させる混合気送給弁座とし； 前記の第２弁部材（２４、１２４）を混合気送給弁部材
とし； 該混合気送給弁部材（２４、１２４）を該混合気送給弁
座（２６、１２６）に係合させるように同混合気送給弁
部材を偏倚するバネ（３６、１３６）を備えた； ことを特徴とするインゼクタ。[Claims] 1. A first valve member (18, 118) and a second valve member (24)
, 124); a first valve seat (28, 128) and a second valve seat (26, 126); a solenoid coil (40, 140);
) is connected to the first valve member (18, 118), and when the solenoid coil (40, 140) is energized, the first valve member (18, 118) is connected to the first valve seat (28,
a first permanent magnet armature (32, 132) operable to displace it from the second valve member (128);
4, 124), and the solenoid coil (40
, 140) when the second valve member (24, 12) is energized.
4) from the second valve seat (26, 126);
7) and a solenoid-operated valve assembly (10, 110) having
) the first permanent magnet armature (32, 132
), the solenoid coil (40, 140
) act to permit displacement of the first valve member (18, 118) from the first valve seat (28, 128) when the second permanent magnet armature (44, 1
37) is connected to the solenoid coil (40, 1) with a negative current.
40) when the second valve seat (26, 126) is energized.
said second valve member (24, 124) from;
, 132) further operates the solenoid coil (
40, 140) is energized, the first valve member (18
, 118) act to bias the first valve member to engage the first valve seat (28, 128);
When the permanent magnet armature (44, 137) further energizes the solenoid coil (40, 140) with a positive current, the second valve member (24, 124) is connected to the second valve seat (26, 126). A solenoid operated valve assembly operative to bias the second valve member into engagement with the second valve member. 2. The solenoid operated valve assembly (10,
110) for direct delivery of a charge of fuel and air to the combustion chamber of an engine, comprising: an air inlet (16, 116) and a fuel inlet (14, 114);
and wherein the first valve seat (28, 128) is connected to the fuel inlet (14,
114); said first valve member (18, 118) being a fuel metering valve; said first valve seat (28, 128) associated with said fuel inlet;
a spring (30, 130) biasing the fuel metering valve (18, 118) into engagement with said second valve seat (26, 126); The mixture supply valve member (24, 124) is used as a mixture supply valve seat through which the fuel and air to be supplied flows; the second valve member (24, 124) is used as a mixture supply valve member; An injector comprising a spring (36, 136) biasing the mixture delivery valve member into engagement with the mixture delivery valve seat (26, 126).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US36950989A | 1989-06-21 | 1989-06-21 | |
| US369509 | 1989-06-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0343662A true JPH0343662A (en) | 1991-02-25 |
| JPH06103015B2 JPH06103015B2 (en) | 1994-12-14 |
Family
ID=23455781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2163971A Expired - Lifetime JPH06103015B2 (en) | 1989-06-21 | 1990-06-21 | Solenoid operated valve assembly and injector |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0404357B1 (en) |
| JP (1) | JPH06103015B2 (en) |
| AU (1) | AU618901B2 (en) |
| DE (1) | DE69005919T2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03217653A (en) * | 1990-01-24 | 1991-09-25 | Nippondenso Co Ltd | Fuel injection device of internal combustion engine |
| KR20140059299A (en) * | 2011-09-09 | 2014-05-15 | 콘티넨탈 오토모티브 게엠베하 | Valve assembly and injection valve |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AUPN391295A0 (en) | 1995-06-30 | 1995-07-27 | Orbital Engine Company (Australia) Proprietary Limited | Fuel injection apparatus |
| JP3642011B2 (en) * | 2000-07-19 | 2005-04-27 | 日産自動車株式会社 | Compression self-ignition internal combustion engine |
| US20030037765A1 (en) | 2001-08-24 | 2003-02-27 | Shafer Scott F. | Linear control valve for controlling a fuel injector and engine compression release brake actuator and engine using same |
| US7182281B2 (en) * | 2003-10-31 | 2007-02-27 | Synerject, Llc | Air assist fuel injector with a one piece leg/seat |
| US7159801B2 (en) | 2004-12-13 | 2007-01-09 | Synerject, Llc | Fuel injector assembly and poppet |
| EP3009656A1 (en) * | 2014-10-15 | 2016-04-20 | Continental Automotive GmbH | Fluid injection valve for a combustion engine and method for operating the same |
| EP3034853B1 (en) * | 2014-12-15 | 2018-05-23 | Continental Automotive GmbH | Coil assembly and fluid injection valve |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4020803A (en) * | 1975-10-30 | 1977-05-03 | The Bendix Corporation | Combined fuel injection and intake valve for electronic fuel injection engine systems |
| JPS57148052A (en) * | 1981-03-09 | 1982-09-13 | Aisin Seiki Co Ltd | Fuel injection feed control system |
| JPS58196378A (en) * | 1982-05-12 | 1983-11-15 | Nippon Denso Co Ltd | Solenoid valve device |
| PH25880A (en) * | 1983-08-05 | 1991-12-02 | Orbital Eng Pty | Fuel injection method and apparatus |
-
1990
- 1990-05-24 DE DE90305660T patent/DE69005919T2/en not_active Expired - Fee Related
- 1990-05-24 EP EP90305660A patent/EP0404357B1/en not_active Expired - Lifetime
- 1990-06-05 AU AU56806/90A patent/AU618901B2/en not_active Ceased
- 1990-06-21 JP JP2163971A patent/JPH06103015B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03217653A (en) * | 1990-01-24 | 1991-09-25 | Nippondenso Co Ltd | Fuel injection device of internal combustion engine |
| KR20140059299A (en) * | 2011-09-09 | 2014-05-15 | 콘티넨탈 오토모티브 게엠베하 | Valve assembly and injection valve |
Also Published As
| Publication number | Publication date |
|---|---|
| AU5680690A (en) | 1991-01-03 |
| EP0404357A3 (en) | 1991-03-13 |
| JPH06103015B2 (en) | 1994-12-14 |
| DE69005919D1 (en) | 1994-02-24 |
| DE69005919T2 (en) | 1994-05-05 |
| EP0404357A2 (en) | 1990-12-27 |
| EP0404357B1 (en) | 1994-01-12 |
| AU618901B2 (en) | 1992-01-09 |
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