JPH0672581B2 - Device for operating a reciprocating internal combustion engine with preheated fuel of relatively high viscosity - Google Patents
Device for operating a reciprocating internal combustion engine with preheated fuel of relatively high viscosityInfo
- Publication number
- JPH0672581B2 JPH0672581B2 JP61102940A JP10294086A JPH0672581B2 JP H0672581 B2 JPH0672581 B2 JP H0672581B2 JP 61102940 A JP61102940 A JP 61102940A JP 10294086 A JP10294086 A JP 10294086A JP H0672581 B2 JPH0672581 B2 JP H0672581B2
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- pipe
- heat exchange
- injector
- exchange system
- 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.)
- Expired - Lifetime
Links
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
- F02M53/00—Fuel-injection apparatus characterised by having heating, cooling or thermally-insulating means
-
- 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
- F02M53/00—Fuel-injection apparatus characterised by having heating, cooling or thermally-insulating means
- F02M53/04—Injectors with heating, cooling, or thermally-insulating means
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
- Developing Agents For Electrophotography (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Means For Warming Up And Starting Carburetors (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
【発明の詳細な説明】 イ．産業上の利用分野 本発明は、比較的高粘度の予熱された燃料、さらに詳し
くは重油で往復内燃機関を作動させる装置にかかわり、
その装置は、機関のシリンダーごとに少なくとも一つの
インゼクターを包含し、インゼクターは、取り入れ管を
通つて燃料供給系統の送り管に接続された燃料ポンプの
送出し管に接続され、インゼクターは、燃料供給路に接
続されそしてシリンダーの燃焼室の中へ向けられた燃料
噴射ノズルを含み、インゼクターはまた、ノズルと協働
する流路と、その流路に通じる二つの接続路を含み、一
つの接続路は熱交換系統の供給管に接続されることがで
き、そしてもう一つの接続路は熱交換系統の戻り管に接
続されることができる。Detailed Description of the Invention a. The present invention relates to a device for operating a reciprocating internal combustion engine with a relatively high viscosity preheated fuel, more particularly heavy oil,
The device comprises at least one injector for each cylinder of the engine, the injector being connected to the delivery pipe of a fuel pump, which is connected through an intake pipe to the feed pipe of the fuel supply system, the injector being A fuel injection nozzle connected to the fuel supply passage and directed into the combustion chamber of the cylinder, the injector also including a flow passage cooperating with the nozzle and two connecting passages leading to the flow passage, One connection can be connected to the supply pipe of the heat exchange system, and the other connection can be connected to the return pipe of the heat exchange system.
ロ．従来の技術 この種の既知の装置では、熱交換系統は燃料供給系統か
ら完全に分離した循環路であり、そしてインゼクターを
冷却、加熱するために使用される熱交換媒体は水である
（DE−AS 1246317）。B. PRIOR ART In known devices of this type, the heat exchange system is a circuit completely separate from the fuel supply system, and the heat exchange medium used to cool and heat the injector is water (DE -AS 1246317).
この種の装置は、独立した管理と検査を要する独立した
冷却または加熱循環路を必要とし、それは機関の作動し
ていないときインゼクターを加熱し、そして機関が作動
しているときインゼクターを冷却するためにそれに相当
して運転コストを増す。This type of device requires an independent cooling or heating circuit that requires independent management and inspection, which heats the injector when the engine is not running and cools the injector when the engine is running. In order to do so, the operating costs are correspondingly increased.
ハ．発明が解決しようとする問題点 本発明の目的は、特にあとの点で改良され、そして既知
の構造よりも生産が簡単でそれに相当して安価であり、
そしてまた既知の装置よりも制御に金がかからない、前
記の種類の装置を得ることである。C. Problems to be Solved by the Invention The object of the present invention is improved, especially in the following points, and is simpler to produce and correspondingly cheaper than the known structures,
And also to obtain a device of the above type, which is less expensive to control than known devices.
ニ．問題点を解決するための手段 したがつて本発明によれば、燃料供給系統は、燃料ポン
プのあふれ管に接続された戻り管を包含し、そして熱交
換系統の供給管は、燃料ポンプの取入れ管と並列に、燃
料供給系統の送り管に接続される一方、熱交換系統の戻
り管は、燃料供給系統の戻り管に接続されている。D. According to the invention, therefore, the fuel supply system comprises a return pipe connected to the overflow pipe of the fuel pump, and the supply pipe of the heat exchange system is the intake pipe of the fuel pump. The return pipe of the heat exchange system is connected to the return pipe of the fuel supply system while being connected to the feed pipe of the fuel supply system in parallel with the pipe.
本発明による装置によれば、同じ媒体−すなわち予熱さ
れた燃料−は、機関の作動していないときと、それが作
動しているときの両方とも、分離した流路の中のインゼ
クターを通つて流れるので、機関の燃料噴射装置の非常
に簡単な構造が得られる。こうして存在する燃料は、し
たがつて作動していない機関をいつでも作動できる状態
に保つ非常に簡単な手段として働き、そして同じ燃料
は、インゼクターノズルが作動中確実に所要の作用温度
にとどまるようにする。With the device according to the invention, the same medium-i.e. Preheated fuel-passes through the injector in a separate flow path both when the engine is not running and when it is running. Flow, thus providing a very simple construction of the engine fuel injector. The fuel thus present thus serves as a very simple means of keeping the engine, which is not operating, ready for operation, and the same fuel ensures that the injector nozzle remains at the required operating temperature during operation. To do.
ホ．発明の効果 本発明の一つの特徴によれば、噴射装置の構造は、もし
熱交換系統の戻り管と協働する接続路が、インゼクター
の中に置かれたあふれ通路に接続されるのならば、非常
に簡単にされることができ、あふれ通路はノズルに延び
る穴に通じ、あふれ通路は、その穴から出る燃料、およ
び漏れから生じる燃料を受け、そして除去するようにさ
れている。したがつてこの特徴で、インゼクターの四つ
の機能−すなわち、燃料の供給、漏れた燃料の除去、お
よび熱交換媒体の供給と除去−は、インゼクターへのた
だ三つの燃料接続部によつて行なわれることができる。E. According to one feature of the invention, the structure of the injection device is such that if the connection passage cooperating with the return pipe of the heat exchange system is connected to an overflow passage located in the injector. For example, it can be made very simple, the overflow passageway leading to a hole extending into the nozzle, the overflow passageway adapted to receive and remove fuel exiting the hole and fuel resulting from the leak. Therefore, with this feature, the four functions of the injector--fuel supply, leakage fuel removal, and heat exchange medium supply and removal--are provided by only three fuel connections to the injector. Can be done.
本発明のもう一つの特徴によれば、熱交換系統の中に置
かれた加熱器と、熱交換媒体のための相当する冷却器を
含む装置では、もし加熱器と冷却器が熱交換系統の供給
管の共通の枝管の中に互いに直列に配列されるならば、
熱交換系統はかなり簡単にされることができる。熱交換
系統を通つて流れる燃料の加熱と冷却の切換えは、十分
に短い時間で可能になることがわかつた。According to another characteristic of the invention, in a device comprising a heater placed in the heat exchange system and a corresponding cooler for the heat exchange medium, if the heater and the cooler are of the heat exchange system If arranged in series with each other in a common branch of the supply pipe,
The heat exchange system can be made quite simple. It has been found that switching between heating and cooling of the fuel flowing through the heat exchange system is possible in a sufficiently short time.
こじんまりしていて、そして構造と手入れに関するかぎ
り特に簡単な一つの特徴によれば、加熱器と冷却器は共
通のケーシングの中に置かれている。According to one feature, which is compact and particularly simple in terms of construction and care, the heater and cooler are located in a common casing.
他の特徴は、図面に略図で示す実施例の次の説明によつ
て明らかになるであろう。Other features will be apparent from the following description of the exemplary embodiment shown schematically in the drawings.
ヘ．実施例 第１図に示すインゼクター装置は、既知のように準備さ
れて予熱されそして図示しない、重油のような高粘度の
燃料のタンク１、この図では往復内燃機関のシリンダー
（図示せず）の四つのインゼクターの１群のための燃料
供給系統２と熱交換系統３を含んでいる。機関の構造に
より、シリンダーごとのインゼクターの数は図示のもの
と違ていてもよく、そして例えば、ただ一つのインゼク
ターがあつてもよい。燃料供給系統２は、タンク１に接
続されそして循環ポンプ６を中に置いた送り管５、燃料
ポンプ（噴射ポンプ）７、およびタンク１に戻り、そし
て圧力計９と、あらかじめ決められた燃料圧力に調節す
ることのできる制限弁19を有することのできる戻り管８
を含んでいる。ポンプ７は、シリンダー10の中に密封し
て案内され、そして機関のクランク軸の速度によつて第
１図で垂直に往復運動するピストン11を含んでいる。F. EXAMPLE The injector device shown in FIG. 1 is a tank 1 of a highly viscous fuel, such as heavy oil, which is prepared and preheated in a known manner and is not shown, in this figure a cylinder of a reciprocating internal combustion engine (not shown). Includes a fuel supply system 2 and a heat exchange system 3 for a group of four injectors. Depending on the structure of the engine, the number of injectors per cylinder may differ from that shown and, for example, there may be only one injector. The fuel supply system 2 is connected to the tank 1 and returns to the feed pipe 5, the fuel pump (injection pump) 7 and the tank 1 in which the circulation pump 6 is placed, and the pressure gauge 9 and the predetermined fuel pressure. Return pipe 8 which may have a regulating valve 19 adjustable to
Is included. The pump 7 includes a piston 11 which is hermetically guided in a cylinder 10 and which reciprocates vertically in FIG. 1 depending on the speed of the crankshaft of the engine.
第１図でわかるように、燃料ポンプ７のシリンダー室10
aは、取入れ弁12と取入れ管13を通つて送り管５に、そ
して送出し弁14と加熱された送出し管15を通つて分配器
16に接続され、そこから送出し管15aのおのおの一つ
は、一つのインゼクター４の燃料接続ニツプル17に延び
ている。室10aはまた、あふれ弁18とあふれ管20を通つ
て戻り管８に通じている。As can be seen in FIG. 1, the cylinder chamber 10 of the fuel pump 7
a is a distributor through intake valve 12 and intake pipe 13 to feed pipe 5 and through delivery valve 14 and heated delivery pipe 15
One of the delivery pipes 15a is connected to 16 and from which one extends to the fuel connection nipple 17 of one injector 4. The chamber 10a also leads to the return pipe 8 through the overflow valve 18 and the overflow pipe 20.
止め弁21は、取入れ管13の中とあふれ管20の中に置かれ
ている。取入れ弁12とあふれ弁18はおのおの、貫流位置
と遮断位置の間に既知のように調節可能である。弁12が
開かれて18が閉ざされているとき、ピストン11が下降す
ると相当する燃料の量を取入れ、そして弁12,18が閉ざ
されているとき、ピストン11が上昇するとそのような燃
料の量を管15,15aを通してインゼクター４に送出す。弁
18が開くと、インゼクター４への燃料送出しを終わらせ
る。燃料ポンプ７の中のバイパス22は、取入れ管13とあ
ふれ管20を相互に接続し、そして弁12,14,18が閉ざされ
た状態にあると、燃料を循環できるようにする。The stop valve 21 is located in the intake pipe 13 and in the overflow pipe 20. The intake valve 12 and the overflow valve 18 are each adjustable in a known manner between a flow-through position and a shut-off position. When the valve 12 is open and 18 is closed, the piston 11 descends to take in a corresponding amount of fuel, and when the valves 12, 18 are closed, the piston 11 rises so that such amount of fuel. Is sent to the injector 4 through the pipes 15 and 15a. valve
When 18 is opened, the fuel delivery to the injector 4 is finished. A bypass 22 in the fuel pump 7 interconnects the intake pipe 13 and the overflow pipe 20 and allows the fuel to circulate when the valves 12, 14, 18 are in the closed condition.
インゼクター４はまた、この装置で熱交換媒体として働
く燃料の供給管24の枝管24aに互いに並列に接続され、
枝管24aは止め弁21を有し、インゼクター４はまた、熱
交換系統３の戻り管25の、逆止め弁30を有する枝管25a
に接続されている。供給管24は、取入れ管13と並列に燃
料供給系統２の送り管５に接続され、そして加熱器26と
冷却器27を含んでいる。加熱器26と冷却器27は互いに直
列に接続され、そして第１図に示すように共通のケーシ
ング28の中に受けられることができる。追加の枝管24b,
24c,24d……はおのおの、供給管24からインゼクターの
追加の１群（図示せず）に延び、それは各場合、もう一
つのシリンダーと協働し、そして対応する枝管25b,25c,
25d……を通つて戻り管25に接続されている。インゼク
ターの追加の各群は、それ自体の燃料ポンプ７を通つて
送り管５に接続されることができる。戻り管25は、あふ
れ管20と並列に燃料供給系統の戻り管８に接続されてい
る。The injectors 4 are also connected in parallel with one another to the branch pipes 24a of the fuel supply pipe 24, which acts as a heat exchange medium in this device,
The branch pipe 24a has a stop valve 21 and the injector 4 also has a check pipe 30 of the return pipe 25 of the heat exchange system 3
It is connected to the. The supply pipe 24 is connected in parallel with the intake pipe 13 to the feed pipe 5 of the fuel supply system 2 and includes a heater 26 and a cooler 27. The heater 26 and cooler 27 are connected in series with each other and can be received in a common casing 28 as shown in FIG. Additional branch 24b,
24c, 24d ... each extends from the supply pipe 24 to an additional group of injectors (not shown), which in each case cooperate with another cylinder and corresponding branch pipes 25b, 25c,
25d ... is connected to the return pipe 25 through. Each additional group of injectors can be connected to the feed pipe 5 through its own fuel pump 7. The return pipe 25 is connected to the return pipe 8 of the fuel supply system in parallel with the overflow pipe 20.
加熱器26は、燃料準備設備の現存する蒸気加熱系統（図
示せず）に接続されることができる。冷却器27は、ピス
トン、シリンダー、および／または吸込み空気を冷却す
るために機関のために働く適当な水または油の冷却系統
に接続されることができる。The heater 26 may be connected to the existing steam heating system (not shown) of the fuel preparation facility. The cooler 27 may be connected to a piston, cylinder, and / or a suitable water or oil cooling system that serves the engine to cool the intake air.
第２図から第４図までに示すように、各インゼクター４
は、さらに詳しく図示しないデイーゼル機関の燃焼室34
の頂部閉鎖部材として働くシリンダーヘツドの中に、ね
じ32によつて固く取り付けられた弁本体31を有してい
る。本体31は上方部分35、下方部分36、および部分35と
36を相互に接続するユニオンナツト37を含んでいる。下
方部分36は、燃焼室34の中に延びるノズル部材38を有
し、また胴40の円すい形座面と協力する弁座38′を有
し、部材38は、燃焼室34の中へ向けられそして燃料を噴
射するいくつかのノズルオリフイス41をつくられてい
る。胴40は、下方部分36の中の中心孔39の中に軸線方向
に動くように案内され、そしてタペツト40aとカツプス
プリング42を経て、胴40の下端を弁座38′の上に押すた
めに働く圧縮ばね43の上に載つている。As shown in FIGS. 2 to 4, each injector 4
Is a combustion chamber 34 of a diesel engine not shown in more detail.
It has a valve body 31 rigidly mounted by means of screws 32 in a cylinder head which serves as the top closure member of the. The body 31 includes an upper portion 35, a lower portion 36, and a portion 35.
It includes a union nut 37 which interconnects 36. The lower portion 36 has a nozzle member 38 extending into the combustion chamber 34 and also has a valve seat 38 'cooperating with the conical seat surface of the barrel 40, the member 38 being directed into the combustion chamber 34. And some nozzle orifices 41 that inject fuel are made. The torso 40 is axially guided in a central bore 39 in the lower portion 36 and, via a tapette 40a and a cup spring 42, pushes the lower end of the torso 40 onto the valve seat 38 '. It rests on a working compression spring 43.
送出し管15aの接続ニツプル17は、弁本体31の中の穴44
にねじ込まれ、穴44は中心孔39と平行に延び、そして細
くなつた頭部17aによつて、しつかりと密封するように
穴44の底面に押されている。部分17aの端面は、弁本体3
1のほぼ長手に胴40の回りの環状室46に延びる、燃料供
給路45の入口の回りに延び、室46は、ノズル部材48の協
力する座面と胴40によつて室34に向かつて境界をつけら
れている。The connecting nipple 17 of the delivery pipe 15a is fitted with a hole 44 in the valve body 31.
The hole 44 extends parallel to the central hole 39 and is pressed against the bottom of the hole 44 by a slender head 17a in a tight seal. The end face of the portion 17a is the valve body 3
Extending around the inlet of the fuel supply passage 45, extending into the annular chamber 46 around the barrel 40 approximately longitudinally of 1, the chamber 46 is directed toward the chamber 34 by the cooperating seat surface of the nozzle member 48 and the barrel 40. It is bounded.
ニツプル47は熱交換系統の供給管24の枝管24aに接続さ
れ、そしておのおの、関係ある特定の弁本体31の上方部
分35の中の穴48にねじ込まれている。穴48は、ニツプル
頭部17aと穴44の壁との間にある環状空所の中に延び、
そして燃料供給路45から密閉されている。接続路50は、
最後に述べた環状空所に接続され、そしてノズル部材38
の回りの環状流路51まで、弁本体31のほぼ長手に続いて
いる。流路51は、中心孔39とほぼ平行に延びる接続路52
を通つて中心孔39の広くなつた部分39aに通じ、部分39a
は、タペツト40aの上端の回りと圧縮ばね43の回りに延
び、そて上方部分35の中のほぼ半径方向の穴53は、中心
孔39の広くなつた部分39aの中に延びている。熱交換系
統の戻り管25の枝管25aが接続されたニツプル54は、穴5
3にねじ込まれている。The nipples 47 are connected to the branch pipes 24a of the supply pipes 24 of the heat exchange system and are each screwed into a hole 48 in the upper part 35 of the particular valve body 31 concerned. The hole 48 extends into an annular space between the nipple head 17a and the wall of the hole 44,
And it is sealed from the fuel supply passage 45. The connection path 50 is
Connected to the last-mentioned annular cavity, and the nozzle member 38
It extends almost along the length of the valve body 31 up to the annular flow path 51 around. The flow path 51 is a connection path 52 extending substantially parallel to the center hole 39.
Through the widened portion 39a of the central hole 39,
Extends around the upper end of the tapette 40a and around the compression spring 43, and a generally radial hole 53 in the upper portion 35 extends into the widened portion 39a of the central bore 39. The nipple 54 to which the branch pipe 25a of the return pipe 25 of the heat exchange system is connected has a hole 5
Screwed to 3.
作動中、準備されて予熱された燃料は、燃料ポンプ７に
よつて調時された方式で、そして例えば1000バールの圧
力で、加熱器の送出し管15を通してインゼクター４の環
状室46の中に既知の方法で送出され、胴40は圧縮ばね43
の力に逆らつて座38′から上がり、そして燃料はオリフ
イス41を通して燃焼室34の中に噴射される。あふれ弁18
が開くと、減少する燃料圧力によつて噴射は中断され
て、胴は弁座38′の上に押される。高い燃料圧力と、胴
40と穴39の壁との間のすきまのゆえに、そのような壁は
胴40を案内し、燃料の少量（漏れ）は、弁本体31の下方
部分36から上方部分35の中に押し込まれる。漏れた燃料
は、穴39の広くなつた部分39aに接続されて枝管25aを通
つてタンク１に戻ることができる。During operation, the prepared and preheated fuel is passed through the delivery pipe 15 of the heater into the annular chamber 46 of the injector 4 in a timed manner by the fuel pump 7 and at a pressure of, for example, 1000 bar. In a known manner, the barrel 40 has a compression spring 43
From the seat 38 ', and fuel is injected through the orifice 41 into the combustion chamber 34. Overflow valve 18
When is opened, the injection is interrupted by the decreasing fuel pressure and the cylinder is pushed onto the valve seat 38 '. High fuel pressure,
Due to the clearance between the 40 and the wall of the hole 39, such a wall guides the shell 40 and a small amount of fuel (leakage) is forced from the lower part 36 of the valve body 31 into the upper part 35. The leaked fuel can be returned to the tank 1 through the branch pipe 25a by being connected to the wide portion 39a of the hole 39.
作動中、供給管24と接続路50を通して例えば５バールの
圧力で供給され、そして接続路52と戻り管25を通して除
去される燃料は、ノズル部材38を冷却する。例えば140
℃の所要噴射温度に予熱された燃料は、冷却器27を通つ
て流れるとき温度t1＝約100℃から120℃までに冷却さ
れ、そしてインゼクター４の中で温度t2＝約110℃から1
30℃までに加熱される。第１図に示すように、ノズル部
材38の温度は、調節弁すなわち制御弁21aによつて影響
を与えられることができ、それは冷却器27を通つて流れ
る冷却液の負荷による量の調節によつて、冷却器27から
出る燃料の温度t1を調節することができる。適当な運転
状態で、冷却器27は周期されることができ、そして熱交
換系統３の中に循環する燃料は、ノズル部材38を冷却す
るために冷却されずに使用されることができる。In operation, fuel supplied through supply line 24 and connection 50 at a pressure of, for example, 5 bar and removed through connection 52 and return line 25 cools nozzle member 38. For example 140
The fuel preheated to the required injection temperature of ° C is cooled to a temperature t 1 = about 100 ° C to 120 ° C as it flows through the cooler 27, and in the injector 4 a temperature t 2 = about 110 ° C from 1
Heated up to 30 ° C. As shown in FIG. 1, the temperature of the nozzle member 38 can be influenced by a regulating or control valve 21a, which regulates the load-dependent amount of cooling fluid flowing through the cooler 27. Therefore, the temperature t 1 of the fuel discharged from the cooler 27 can be adjusted. Under appropriate operating conditions, the cooler 27 can be cycled and the fuel circulating in the heat exchange system 3 can be used uncooled to cool the nozzle member 38.
機関が作動していないとき、例えば船が港にいるとき、
いつも作動の準備を確実にしておき、そして時々作動さ
せるため、熱交換系統３の中を循環する予熱された燃料
は、インゼクター４をいつも所要の燃料噴射温度に加熱
しておくことができる。燃料は、例えばタンク１の中
で、および／または加熱器26を作動させることによつ
て、既知の方法で予熱されることができる。When the engine is not working, for example when a ship is in the port,
The preheated fuel circulating in the heat exchange system 3 can keep the injector 4 always heated to the required fuel injection temperature in order to always be ready for operation and to activate it from time to time. The fuel can be preheated in a known manner, for example in the tank 1 and / or by operating the heater 26.
第１図は、往復内燃機関の本発明による噴射装置の簡単
にされた線図で、装置はインゼクターの１群と協働し、 第２図は、第１図のインゼクターの一つの、拡大して示
す第３図の線II−IIにおける断面図、 第３図は、第２図のインゼクターの平面図、そして 第４図は、第３図の線IV−IVにおける断面図である。 図面の符号１は「タンク」、２は「燃料供給系統」、３
は「熱交換系統」、４は「インゼクター」、５は「送り
管」、６は「循環ポンプ」、７は「燃料ポンプ」、８は
「戻り管」、９は「圧力計」、10は「燃料ポンプのシリ
ンダー」、10aは「シリンダー室」、11は「ピスト
ン」、12は「取入れ弁」、13は「取入れ管」、14は「送
出し弁」、15,15aは「送出し管」、16は「分配器」、1
7,47,54は「接続ニツプル」、17aは「ニツプル頭部」、
18は「あふれ弁」、19は「制限弁」、20は「あふれ
管」、21は「止め弁」、21aは「調節弁」、22は「バイ
パス」、24,24a,24b,24c,24dは「熱交換系統の供給
管」、25,25a,25b,25c,25dは「熱交換系統の戻り管」26
は「加熱器」、27は「冷却器」、28は「共通のケーシン
グ」、30は「逆止め弁」、31は「弁本体」、32は「ね
じ」、33は「シリンダーヘツド」、34は「燃焼室」、35
は「上方部分」、36は「下方部分」、37は「ユニオンナ
ツト」、38は「燃焼噴射ノズル」、38′は「弁座」、39
は「中心孔」、39aは「あふれ通路」、40は「胴」、40a
は「タペツト」、41は「ノズルオリフイス」、42は「カ
ツプスプリング」、43は「圧縮ばね」、44,48,53は
「穴」、45は「燃焼供給路」、46は「環状室」、50,52
は「接続路」、51は「環状流路」を示す。FIG. 1 is a simplified diagram of an injection device according to the invention of a reciprocating internal combustion engine, the device cooperating with a group of injectors, and FIG. 2 one of the injectors of FIG. FIG. 3 is an enlarged sectional view taken along line II-II in FIG. 3, FIG. 3 is a plan view of the injector shown in FIG. 2, and FIG. 4 is a sectional view taken along line IV-IV in FIG. . Reference numeral 1 in the drawings is “tank”, 2 is “fuel supply system”, 3
Is "heat exchange system", 4 is "injector", 5 is "feed pipe", 6 is "circulation pump", 7 is "fuel pump", 8 is "return pipe", 9 is "pressure gauge", 10 Is a cylinder of the fuel pump, 10a is a cylinder chamber, 11 is a piston, 12 is an intake valve, 13 is an intake pipe, 14 is a delivery valve, and 15 and 15a are a delivery "Tube", 16 is "distributor", 1
7,47,54 is "connecting nipple", 17a is "nipple head",
18 is "overflow valve", 19 is "limit valve", 20 is "overflow pipe", 21 is "stop valve", 21a is "control valve", 22 is "bypass", 24, 24a, 24b, 24c, 24d Is "supply pipe of heat exchange system", 25, 25a, 25b, 25c, 25d is "return pipe of heat exchange system" 26
Is "heater", 27 is "cooler", 28 is "common casing", 30 is "check valve", 31 is "valve body", 32 is "screw", 33 is "cylinder head", 34 Is "combustion chamber", 35
Is "upper part", 36 is "lower part", 37 is "union nut", 38 is "combustion injection nozzle", 38 'is "valve seat", 39
Is "center hole", 39a is "overflow passage", 40 is "trunk", 40a
Is a "tapet", 41 is a "nozzle orifice", 42 is a "cup spring", 43 is a "compression spring", 44, 48, 53 are "holes", 45 is a "combustion supply passage", 46 is an "annular chamber" , 50,52
Indicates a “connection path” and 51 indicates an “annular flow path”.
Claims (4)
しくは重油で往復内燃機関を作動させる装置にして、前
記装置は、機関のシリンダーごとに少なくとも一つのイ
ンゼクター（４）を包含し、前記インゼクターは、取入
れ管（13）を通つて燃料供給系統（２）の送り管（５）
に接続された燃料ポンプ（７）の送出し管（15）に接続
され、前記インゼクター（４）は、燃料供給路（45）に
接続されそして前記シリンダーの燃焼室（34）の中へ向
けられた燃料噴射ノズル（38）を含み、前記インゼクタ
ー（４）はまた、前記ノズル（38）と協働する流路（5
1）と、前記流路（51）に通じる二つの接続路（50,52）
を含み、前記接続路（50）は熱交換系統（３）の供給管
（24）に接続されることができ、そして前記接続路（5
2）は前記熱交換系統（３）の戻り管（25）に接続され
ることができ、 前記燃料供給系統（２）は、前記燃料ポンプ（７）のあ
ふれ管（20）に接続された戻り管（８）を包含し、そし
て前記熱交換系統（３）の前記供給管（24）は、前記燃
料ポンプの取入れ管（13）と並列に、前記燃料供給系統
（２）の前記送り管（５）に接続される一方、前記熱交
換系統（３）の前記戻り管（25）は、前記燃料供給系統
（２）の前記戻り管（８）に接続されている、ことを特
徴とする比較的高粘度の予熱された燃料で往復内燃機関
を作動させる装置。1. A device for operating a reciprocating internal combustion engine with a relatively high viscosity preheated fuel, more particularly heavy oil, said device comprising at least one injector (4) for each cylinder of the engine. , The injector passes through the intake pipe (13) and then the feed pipe (5) of the fuel supply system (2)
Connected to the delivery pipe (15) of the fuel pump (7) connected to the injector, the injector (4) is connected to the fuel supply passage (45) and directed into the combustion chamber (34) of the cylinder. A fuel injection nozzle (38), the injector (4) also cooperating with the nozzle (38).
1) and two connecting paths (50, 52) leading to the flow path (51)
And the connection path (50) can be connected to the supply pipe (24) of the heat exchange system (3), and the connection path (5)
2) can be connected to the return pipe (25) of the heat exchange system (3), and the fuel supply system (2) can be connected to the return pipe (20) of the fuel pump (7). A pipe (8), and the supply pipe (24) of the heat exchange system (3) is parallel to the intake pipe (13) of the fuel pump, and the feed pipe (2) of the fuel supply system (2). 5), while the return pipe (25) of the heat exchange system (3) is connected to the return pipe (8) of the fuel supply system (2). A device that operates a reciprocating internal combustion engine with preheated fuel of high viscosity.
て、前記熱交換系統（３）の前記戻り管（25）と協働す
る前記接続路（52）は、前記インゼクター（４）の中に
置かれたあふれ通路（部分39a）に接続され、前記あふ
れ通路は前記ノズル（38）に延びる穴（39）に通じ、前
記あふれ通路は、前記穴（39）から出る燃料、および漏
れから生じる燃料を受け、そして除去するようにされて
いる、ことを特徴とする比較的高粘度の予熱された燃料
で往復内燃機関を作動させる装置。2. The device according to claim 1, wherein the connection passage (52) cooperating with the return pipe (25) of the heat exchange system (3) is connected to the injector (4). Connected to an overflow passage (portion 39a) placed therein, said overflow passage leading to a hole (39) extending to said nozzle (38), said overflow passage from fuel exiting said hole (39) and leakage. Apparatus for operating a reciprocating internal combustion engine with a relatively high viscosity preheated fuel, characterized in that it is adapted to receive and remove the resulting fuel.
装置において、前記熱交換系統（３）の中に置かれた加
熱器（26）と、熱交換媒体のための相当する冷却器（2
7）を含み、前記加熱器（26）と前記冷却器（27）は、
前記熱交換系統（３）の前記供給管（24）の共通の枝管
の中に互いに直列に配列される、ことを特徴とする比較
的高粘度の予熱された燃料で往復内燃機関を作動させる
装置。3. Device according to claim 1 or 2, characterized in that a heater (26) placed in the heat exchange system (3) and a corresponding cooling for the heat exchange medium. Bowl (2
7), the heater (26) and the cooler (27),
Operating a reciprocating internal combustion engine with a relatively high viscosity preheated fuel, characterized in that they are arranged in series with each other in a common branch of the supply pipe (24) of the heat exchange system (3). apparatus.
て、前記加熱器（26）と前記冷却器（27）は共通のケー
シング（28）の中に置かれる、これを特徴とする比較的
高粘度の予熱された燃料で往復内燃機関を作動させる装
置。4. Device according to claim 3, characterized in that the heater (26) and the cooler (27) are located in a common casing (28). A device that operates a reciprocating internal combustion engine with preheated fuel of high viscosity.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1892/85A CH667698A5 (en) | 1985-05-03 | 1985-05-03 | DEVICE FOR OPERATING A PISTON INTERNAL COMBUSTION ENGINE WITH A FUEL RELATIVELY HIGH VISCOSITY. |
| CH1892/85-9 | 1985-05-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61252864A JPS61252864A (en) | 1986-11-10 |
| JPH0672581B2 true JPH0672581B2 (en) | 1994-09-14 |
Family
ID=4221044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61102940A Expired - Lifetime JPH0672581B2 (en) | 1985-05-03 | 1986-05-02 | Device for operating a reciprocating internal combustion engine with preheated fuel of relatively high viscosity |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPH0672581B2 (en) |
| CN (1) | CN1006485B (en) |
| CH (1) | CH667698A5 (en) |
| DE (1) | DE3516253A1 (en) |
| DK (1) | DK168022B1 (en) |
| GB (1) | GB2175045B (en) |
| IT (1) | IT1191726B (en) |
| NO (1) | NO164678C (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3833011A1 (en) * | 1988-09-29 | 1990-04-05 | Pierburg Gmbh | FUEL INJECTION SYSTEM |
| FR2663372B1 (en) * | 1990-06-19 | 1994-09-16 | Renault | COOLING DEVICE FOR ENGINE INJECTORS. |
| DE19835864A1 (en) * | 1998-08-07 | 2000-02-10 | Michael Spaeth | Device for heating flowable materials and process for their production |
| DE10133627A1 (en) * | 2001-07-14 | 2003-01-30 | Juergen Tournay | Diesel engine start and operating device flushes injection nozzles and pump in parallel circulation via overflow oil line using heated vegetable oil. |
| DE10341708B4 (en) * | 2003-09-10 | 2012-05-03 | Man Diesel & Turbo Se | reciprocating internal combustion engine |
| DE102004014312B4 (en) * | 2004-03-24 | 2009-08-06 | Man Diesel Se | Power supply system |
| AT502683B1 (en) * | 2006-04-03 | 2007-05-15 | Bosch Gmbh Robert | Fuel injector preheating method for internal combustion engine, involves monitoring and evaluating current characteristic in coil of electromagnet to detect local current minima and/or current maxima caused by armature reactions |
| AT505666B1 (en) * | 2007-08-20 | 2009-03-15 | Bosch Gmbh Robert | METHOD AND DEVICE FOR INJECTING FUEL INTO THE COMBUSTION ENGINE OF AN INTERNAL COMBUSTION ENGINE |
| DE102008001116A1 (en) * | 2008-04-10 | 2009-10-15 | Robert Bosch Gmbh | Fuel injector as well as fuel injection system |
| EP2426344B1 (en) * | 2010-09-07 | 2015-02-25 | Caterpillar Motoren GmbH & Co. KG | Heating system for an internal combustion engine |
| FI123449B (en) * | 2011-04-12 | 2013-05-15 | Waertsilae Finland Oy | Arrangement and method for controlling the fuel temperature in at least one fuel injection nozzle |
| RU2495267C1 (en) * | 2012-05-17 | 2013-10-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Пензенская государственная сельскохозяйственная академия" | Device to correct cyclic fuel feed via viscosity-temperature ratio |
| DE102013002758B4 (en) * | 2013-02-19 | 2020-03-19 | Woodward L'orange Gmbh | Flushing procedure for use with a fuel injector |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2552679A (en) * | 1947-11-05 | 1951-05-15 | American Bosch Corp | Cooled injection nozzle |
| DE1246317B (en) * | 1965-07-10 | 1967-08-03 | Maschf Augsburg Nuernberg Ag | Device for operating an internal combustion engine with fuel with a higher viscosity |
-
1985
- 1985-05-03 CH CH1892/85A patent/CH667698A5/en not_active IP Right Cessation
- 1985-05-07 DE DE19853516253 patent/DE3516253A1/en active Granted
-
1986
- 1986-04-09 CN CN86102587.3A patent/CN1006485B/en not_active Expired
- 1986-04-11 IT IT20064/86A patent/IT1191726B/en active
- 1986-04-24 DK DK191586A patent/DK168022B1/en not_active IP Right Cessation
- 1986-04-30 NO NO861728A patent/NO164678C/en unknown
- 1986-05-02 JP JP61102940A patent/JPH0672581B2/en not_active Expired - Lifetime
- 1986-05-06 GB GB08610994A patent/GB2175045B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT1191726B (en) | 1988-03-23 |
| DE3516253A1 (en) | 1986-11-06 |
| NO861728L (en) | 1986-11-04 |
| IT8620064A0 (en) | 1986-04-11 |
| DK191586A (en) | 1986-11-04 |
| DK191586D0 (en) | 1986-04-24 |
| JPS61252864A (en) | 1986-11-10 |
| CN86102587A (en) | 1986-10-29 |
| CH667698A5 (en) | 1988-10-31 |
| IT8620064A1 (en) | 1987-10-11 |
| GB2175045A (en) | 1986-11-19 |
| GB8610994D0 (en) | 1986-06-11 |
| NO164678B (en) | 1990-07-23 |
| NO164678C (en) | 1990-10-31 |
| DK168022B1 (en) | 1994-01-17 |
| CN1006485B (en) | 1990-01-17 |
| GB2175045B (en) | 1988-12-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0672581B2 (en) | Device for operating a reciprocating internal combustion engine with preheated fuel of relatively high viscosity | |
| US3125078A (en) | Fuel supply system | |
| USRE41335E1 (en) | Internal combustion engine | |
| SE7910367L (en) | COMBUSTION ENGINE COOLING SYSTEM | |
| US10161290B2 (en) | Cooling system for an internal combustion engine | |
| NO159089B (en) | ANALOGY PROCEDURE FOR THE PREPARATION OF THERAPEUTIC ACTIVE GLUTARIMIDE DERIVATIVES. | |
| JPH0240852B2 (en) | ||
| JPS62191659A (en) | Fuel injector | |
| GB1346501A (en) | Fuel injection valves for internal combustion engines | |
| US2807245A (en) | Water heated intake manifold and control system therefor | |
| US4267977A (en) | Temperature controlled unit injector | |
| NO770080L (en) | PROCEDURE AND DEVICE FOR ELIMINATING FUEL LEAK DURING INJECTION, ESPECIALLY INTO THE DIESEL ENGINE INJECTION PUMP COOLING SYSTEM | |
| KR20200048578A (en) | Cooling system for engine | |
| US6769383B2 (en) | Internal combustion engine | |
| JP2003532016A (en) | Cooling circuits for multi-cylinder internal combustion engines. | |
| US2949103A (en) | Liquid circulating system for liquid cooled internal combustion engine | |
| US3074389A (en) | Liquid-cooled cylinder heads for internal combustion engines | |
| US1850246A (en) | Cooling device for internal combustion engines | |
| JPH10212946A (en) | Cooling device for internal combustion engine | |
| US2162082A (en) | Liquid cooling means for internal combustion engines | |
| JPS58106122A (en) | Cooling device of internal-combustion engine | |
| JPH0211724B2 (en) | ||
| GB1121013A (en) | Improvements in or relating to fuel injection in internal combustion engines | |
| US1299230A (en) | Governing device for internal-combustion engines. | |
| JPH0734173Y2 (en) | Cooling device for internal combustion engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |