JPS63140862A - Fuel injection device for diesel engine - Google Patents
Fuel injection device for diesel engineInfo
- Publication number
- JPS63140862A JPS63140862A JP61285970A JP28597086A JPS63140862A JP S63140862 A JPS63140862 A JP S63140862A JP 61285970 A JP61285970 A JP 61285970A JP 28597086 A JP28597086 A JP 28597086A JP S63140862 A JPS63140862 A JP S63140862A
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- fuel
- pump
- injection valve
- ammonia
- 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 title claims abstract description 58
- 238000002347 injection Methods 0.000 title claims abstract description 43
- 239000007924 injection Substances 0.000 title claims abstract description 43
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000000295 fuel oil Substances 0.000 claims abstract description 13
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000002485 combustion reaction Methods 0.000 claims abstract description 10
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 10
- 229910021529 ammonia Inorganic materials 0.000 claims description 4
- 239000013505 freshwater Substances 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract description 12
- 239000011593 sulfur Substances 0.000 abstract description 8
- 229910052717 sulfur Inorganic materials 0.000 abstract description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 7
- 239000012530 fluid Substances 0.000 abstract description 2
- 239000000843 powder Substances 0.000 abstract description 2
- 239000012670 alkaline solution Substances 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 244000108452 Litchi chinensis Species 0.000 description 1
- 235000015742 Nephelium litchi Nutrition 0.000 description 1
- BIGPRXCJEDHCLP-UHFFFAOYSA-N ammonium bisulfate Chemical compound [NH4+].OS([O-])(=O)=O BIGPRXCJEDHCLP-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 150000003463 sulfur Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B47/00—Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines
- F02B47/04—Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines the substances being other than water or steam only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B3/00—Engines characterised by air compression and subsequent fuel addition
- F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明はディーゼル機関の燃料噴射装置に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to a fuel injection device for a diesel engine.
第２図に従来のディーゼル機関の燃料噴射装置を示す。 FIG. 2 shows a conventional fuel injection system for a diesel engine.
図において、０１はビス）／１０２はピストンリング、
０３はシリンダライチ、０４は燃料噴射弁、０６は燃料
噴射ポンプ、０５は燃料噴射ポンプ０６と燃料噴射弁０
４を結ぶ燃料高圧管である。０８はクランク軸（図示せ
ず）によって駆動される燃料カム軸、０７は燃料噴射ポ
ンプ０６を駆動する燃料カムである。０９は燃料噴射ポ
ンプ０６のポンプラックで、ａ方向に動かすことによシ
ポンプの燃料圧送量が増加し、ｂ方向に動かすことによ
シ圧送量は減少するようになっている。In the figure, 01 is a screw)/102 is a piston ring,
03 is cylinder lychee, 04 is fuel injection valve, 06 is fuel injection pump, 05 is fuel injection pump 06 and fuel injection valve 0
This is a high pressure fuel pipe that connects 4. 08 is a fuel camshaft driven by a crankshaft (not shown), and 07 is a fuel cam that drives the fuel injection pump 06. Reference numeral 09 denotes a pump rack for the fuel injection pump 06, and moving it in the direction a increases the amount of fuel pumped by the pump, and moving it in the direction b decreases the amount of fuel pumped.
機関が回転すると、燃料カム軸０８が回転し燃料カム０
７によってプランジャが上昇し、燃料は加圧されて、゛
燃料高圧管０５を通って燃料噴射弁０４に至シ２機関の
回転によりて上昇してきたピストン０１が上死点付近に
なりた時点で、燃焼室に噴射して燃焼するようになって
いる。燃料量はポンプラック０９で行ない、負荷を高め
る場合は。When the engine rotates, the fuel camshaft 08 rotates and the fuel cam 0
7, the plunger is raised, the fuel is pressurized, and it passes through the fuel high pressure pipe 05 and reaches the fuel injection valve 04.2 When the piston 01, which has been raised by the rotation of the engine, reaches near top dead center. The fuel is injected into the combustion chamber and combusted. The amount of fuel is determined using the pump rack 09, and when increasing the load.
これをａ方向に動かし、負荷を低める場合はｂ方向へ動
かす。Move this in direction a, and move it in direction b to reduce the load.
従来のディーゼル機関に硫黄分を含んだ燃料油を燃焼さ
せる場合、燃焼室内に硫酸分を含んだ燃焼残渣が蓄積し
、これがピストンリング−シリンダライナ等の硫酸によ
る腐食摩耗を起している。When fuel oil containing sulfur is burned in a conventional diesel engine, combustion residue containing sulfuric acid accumulates in the combustion chamber, causing corrosive wear of piston rings, cylinder liners, etc. due to the sulfuric acid.
この軽減のために、シリンダライナ注油孔からカルシ、
クム等アルカリ性分を含む潤滑油を注油し。In order to reduce this, calci from the cylinder liner lubrication hole,
Lubricate with lubricating oil containing alkaline content such as Kumu.
中和をしているが、十分、均一には行きわたらず。We are trying to neutralize it, but it is not uniformly distributed.
腐食を局部的に起すことがある。また硫酸カルシウム等
の固形残渣を生成し、ピストンリング、シリンダライナ
のアブレシブ摩耗、排気弁シート部の圧こんの原因とな
シ得る。May cause localized corrosion. It also produces solid residues such as calcium sulfate, which can cause abrasive wear on piston rings and cylinder liners, and dents on exhaust valve seats.
本発明の目的は上記欠点を排除した燃料噴射装置を提供
することであり、その特徴とするところは、クランク軸
に連動するカムで駆動される燃料噴射ポンプの他に、清
水を貯えたタンク中に高圧のアンモニアガスボンベから
アンモニアを噴出させてアンモニア水を作る装置と、生
成されたアンモニア水を高圧ポンプで加圧して蓄圧器に
蓄えておき管制弁を介して燃料噴射弁に送る装置と、上
記アンモニア水を燃料噴射ポンプからの燃料油と共に燃
焼室に噴射する燃料噴射弁とを備えたことである。An object of the present invention is to provide a fuel injection device that eliminates the above-mentioned drawbacks, and is characterized by a fuel injection pump driven by a cam interlocked with the crankshaft, and a fuel injection device in a tank that stores fresh water. A device for producing ammonia water by spouting ammonia from a high-pressure ammonia gas cylinder; a device for pressurizing the generated ammonia water with a high-pressure pump, storing it in a pressure accumulator, and sending it to the fuel injection valve via a control valve; The present invention includes a fuel injection valve that injects ammonia water into the combustion chamber together with fuel oil from a fuel injection pump.
ディーゼル機関で硫黄分を含む粗悪油や重油を燃焼させ
る場合、硫黄を含んだ燃焼残置物が燃焼室壁に付着し、
硫酸腐食を起しピストンリングやシリンダライ、すの摩
耗を起すことがある。When a diesel engine burns inferior oil or heavy oil containing sulfur, combustion residue containing sulfur adheres to the combustion chamber wall.
Sulfuric acid corrosion may occur, causing wear of piston rings, cylinder holders, and tires.
この硫酸腐食を防止するため、カルシウム等アルカリ性
分を含む潤滑油をシリンダライナ内面に注油するが、十
分に分布せず中和が完全には行なわれず局部的に摩耗す
ることがある。In order to prevent this sulfuric acid corrosion, lubricating oil containing alkaline components such as calcium is applied to the inner surface of the cylinder liner, but the lubricating oil is not sufficiently distributed and neutralization is not performed completely, resulting in local wear.
また、シリンダ注油の中のカルシウム分は硫酸カルシウ
ム等になシ、アブレシブ摩耗の原因となるだけでなく、
排気弁シートに咬み込み損傷の原因となる。In addition, calcium content in cylinder lubrication, such as calcium sulfate, not only causes abrasive wear, but also
It may bite into the exhaust valve seat and cause damage.
以上の不具合点を解消するために、燃料噴射弁から燃料
油と同時にアンモニア水等のアルカリ性液を噴射し燃焼
室内で、燃料油中の硫黄分と中和し、生成物も硫酸アン
モニアの微粒化したやわらかい粉末のため、アプレシプ
の摩耗や排気弁シートの損傷を起さない。In order to eliminate the above problems, alkaline liquid such as aqueous ammonia is injected from the fuel injection valve at the same time as the fuel oil to neutralize the sulfur content in the fuel oil in the combustion chamber, and the product is also atomized to ammonia sulfate. Because it is a soft powder, it does not cause wear on the aprecipitate or damage the exhaust valve seat.
以下図面を参照して本発明による実施例につき説明する
。Embodiments of the present invention will be described below with reference to the drawings.
第１図は本発明によるディーゼル機関の燃料噴射装置を
示す説明図である。FIG. 1 is an explanatory diagram showing a fuel injection device for a diesel engine according to the present invention.
図において、０１はピストン、０２はピストンリング、
０３はシリンダライナ、０４は燃料噴射弁。In the figure, 01 is a piston, 02 is a piston ring,
03 is the cylinder liner, 04 is the fuel injection valve.
０６は燃料噴射ポンプ、０５は燃料噴射ポンプｏ６と燃
料噴射弁０４とを結ぶ燃料高圧管、０８はクランク軸に
よって駆動される燃料カム軸、０７は燃料噴射ポンプ０
６を駆動する燃料カムである。06 is a fuel injection pump, 05 is a fuel high pressure pipe connecting fuel injection pump o6 and fuel injection valve 04, 08 is a fuel camshaft driven by the crankshaft, and 07 is a fuel injection pump 0
This is a fuel cam that drives 6.
１０は清水夕／りｊｌｏａは流量調整弁、１１はアンモ
ニアガスボンベ、１１ａはアンモニアガスの調整弁、１
１ｂはノズル、１２は混合室。10 is a flow rate adjustment valve, 11 is an ammonia gas cylinder, 11a is an ammonia gas adjustment valve, 1
1b is a nozzle, and 12 is a mixing chamber.
１２ｂは攪拌機で、混合室１２内のアンモニア濃度を均
一にする。１３は高圧ポンプで、蓄圧器１４内のアンモ
ニア水を高圧で送る。１５ａは蓄圧器１４と管制弁１６
とを結ぶ高圧管、１５ｂは管制弁１６と燃料噴射弁０４
とを結ぶ高圧管。12b is a stirrer to make the ammonia concentration in the mixing chamber 12 uniform. A high-pressure pump 13 sends the ammonia water in the pressure accumulator 14 at high pressure. 15a is the pressure accumulator 14 and the control valve 16
A high pressure pipe 15b connects the control valve 16 and the fuel injection valve 04.
A high-pressure pipe that connects the
１７は管制弁１６の油圧駆動用ポンプ、１８は油圧駆動
用ポンプ１７から管制弁１６に作動油を圧送する管、１
９は油圧駆動用ポンプ１７を駆動するカムである。17 is a hydraulically driven pump for the control valve 16; 18 is a pipe that pressure-feeds hydraulic oil from the hydraulically driven pump 17 to the control valve 16;
A cam 9 drives the hydraulic pump 17.
燃料噴射ポンプ０６からの燃料油は高圧管ｏ５を経て燃
料噴射弁０４に至る。Fuel oil from the fuel injection pump 06 reaches the fuel injection valve 04 via the high pressure pipe o5.
一方、油圧駆動用ポンプ１７から出た作動油は。On the other hand, the hydraulic fluid discharged from the hydraulic drive pump 17.
管制弁１６を開き蓄圧器１４内のアンモニア水を高圧管
１５ａから１５ｂを経て、燃料噴射弁ｏ４に至シ、燃料
油と共に燃焼室内に噴射する。この燃料噴射ポンプ０６
のラックの作動ａ→、ｂ→及び油圧駆動Ｉンゾ１７のラ
ックの作動（！ −４ｄ→は。The control valve 16 is opened and the ammonia water in the pressure accumulator 14 is injected into the combustion chamber together with the fuel oil through the high pressure pipes 15a and 15b to the fuel injection valve o4. This fuel injection pump 06
The operation of the rack a→, b→ and the operation of the rack of the hydraulically driven engine 17 (! -4d→ is.
互いに直結またはコンピュータ制御にょシ連動して行な
うことができる。They can be directly connected to each other or in conjunction with computer control.
即ち、燃料油中の硫黄分をあらかじめ調べておき、この
硫黄濃度に対応したアンモニア水濃度を混合室１２で、
まず用意しておく。That is, the sulfur content in the fuel oil is checked in advance, and the ammonia water concentration corresponding to this sulfur concentration is determined in the mixing chamber 12.
Prepare it first.
次ぎに、燃料噴射ポンプのラック増ａ−＋またはラック
減ｂ→に応じて、油圧駆動用ゾンデのラック増＼→また
はラック減ｄ→を対応させ、それぞれの噴射号を増減し
て燃料中の硫黄分とアルカリ水濃度が互いに中和できる
量に最適制御を行なう。Next, the rack increase \→ or rack decrease d→ of the hydraulically driven sonde is made to correspond to the rack increase a-+ or rack decrease b→ of the fuel injection pump, and the respective injection numbers are increased or decreased to increase or decrease the amount of fuel in the fuel. The sulfur content and alkaline water concentration are optimally controlled to levels that can neutralize each other.
このようにすることによシ、シリンダ内の硫酸発生は押
えられ２機関の耐久性が向上する。By doing so, the generation of sulfuric acid within the cylinder is suppressed and the durability of the two engines is improved.
第１図は本発明による１実施例の装置を示す説明図、第
２図は従来の装置を示す説明図である。
０４・・・燃料噴射弁、０６・・・燃料噴射ポンプ。
１０・・・清水タンクｅ １１ ””アンモニアガスゴ
ンペ。
１２・・・混合室、１４・・・蓄圧器、１６・・・管制
弁。
１７・・・油圧駆動ポンプ。
第２図FIG. 1 is an explanatory diagram showing a device according to one embodiment of the present invention, and FIG. 2 is an explanatory diagram showing a conventional device. 04...Fuel injection valve, 06...Fuel injection pump. 10... Fresh water tank e 11 "" Ammonia gas gompe. 12...Mixing chamber, 14...Pressure accumulator, 16...Control valve. 17...Hydraulic drive pump. Figure 2
Claims (1)
ンプの他に、清水を貯えたタンク中に高圧のアンモニア
ガスボンベからアンモニアを噴出させてアンモニア水を
作る装置と、生成されたアンモニア水を高圧ポンプで加
圧して蓄圧器に蓄えておき管制弁を介して燃料噴射弁に
送る装置と、上記アンモニア水を燃料噴射ポンプからの
燃料油と共に燃焼室に噴射する燃料噴射弁とを備えたこ
とを特徴とするディーゼル機関の燃料噴射装置。1. In addition to the fuel injection pump driven by a cam linked to the crankshaft, there is also a device that makes ammonia water by spouting ammonia from a high-pressure ammonia gas cylinder into a tank that stores fresh water, and a device that makes ammonia water by spouting ammonia from a high-pressure ammonia gas cylinder into a tank that stores fresh water. The fuel injection valve is equipped with a device that pressurizes with a pump, stores it in a pressure accumulator, and sends it to the fuel injection valve via a control valve, and a fuel injection valve that injects the ammonia water into the combustion chamber together with fuel oil from the fuel injection pump. Characteristic diesel engine fuel injection system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61285970A JPS63140862A (en) | 1986-12-02 | 1986-12-02 | Fuel injection device for diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61285970A JPS63140862A (en) | 1986-12-02 | 1986-12-02 | Fuel injection device for diesel engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63140862A true JPS63140862A (en) | 1988-06-13 |
| JPH0567783B2 JPH0567783B2 (en) | 1993-09-27 |
Family
ID=17698323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61285970A Granted JPS63140862A (en) | 1986-12-02 | 1986-12-02 | Fuel injection device for diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63140862A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0527362A1 (en) * | 1991-08-13 | 1993-02-17 | MAN B & W Diesel Aktiengesellschaft | Method and device for reducing nitrogen oxide emissions from internal combustion engines |
-
1986
- 1986-12-02 JP JP61285970A patent/JPS63140862A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0527362A1 (en) * | 1991-08-13 | 1993-02-17 | MAN B & W Diesel Aktiengesellschaft | Method and device for reducing nitrogen oxide emissions from internal combustion engines |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0567783B2 (en) | 1993-09-27 |
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