JPS61226523A - Supercharger in vertical straight-type eight-cylinder diesel engine - Google Patents

Supercharger in vertical straight-type eight-cylinder diesel engine

Info

Publication number
JPS61226523A
JPS61226523A JP60067127A JP6712785A JPS61226523A JP S61226523 A JPS61226523 A JP S61226523A JP 60067127 A JP60067127 A JP 60067127A JP 6712785 A JP6712785 A JP 6712785A JP S61226523 A JPS61226523 A JP S61226523A
Authority
JP
Japan
Prior art keywords
exhaust
cylinder
cylinder head
exhaust pipe
supercharger
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
Application number
JP60067127A
Other languages
Japanese (ja)
Other versions
JPH0514092B2 (en
Inventor
Tatsuo Kaneko
龍雄 金子
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Niigata Engineering Co Ltd
Original Assignee
Niigata Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Niigata Engineering Co Ltd filed Critical Niigata Engineering Co Ltd
Priority to JP60067127A priority Critical patent/JPS61226523A/en
Publication of JPS61226523A publication Critical patent/JPS61226523A/en
Publication of JPH0514092B2 publication Critical patent/JPH0514092B2/ja
Granted legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00Engines characterised by air compression and subsequent fuel addition
    • F02B3/06Engines characterised by air compression and subsequent fuel addition with compression ignition

Landscapes

  • Supercharger (AREA)

Abstract

PURPOSE:To facilitate assembly and disassembly of an engine and improve its maintenance workability, by providing two exhaust pipes, connecting two superchargers with cylinder heads, to be easily mounted and removed. CONSTITUTION:Exhaust (e) from the first cylinder is allowed to flow into a turbine part 26 of the first supercharger 29 through an exhaust pipe line 22 of the first cylinder head 11, exhaust pipe line 22 of the second cylinder head 12 and the first exhaust pipe part 34b. Exhaust (e) from the second cylinder is allowed to flow into the turbine part 26 of the first supercharger 29 through the exhaust pipe line 22 of the second cylinder head 12 and the first exhaust pipe part 34b. Similarly hereafter, exhaust (e) from each cylinder is allowed to flow into the first supercharger 26 and the second supercharger 30 through exhaust pipe lines 22 provided inside each cylinder head 11, 12....

Description

【発明の詳細な説明】 「項業上の利用分野」 本発明は、立型直列8シリンダディーゼル機関に付設さ
れる過給装置に係り、籍に、動1モ式の排気タービン過
給装置に関するものである。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a supercharging device attached to a vertical in-line 8-cylinder diesel engine, and more particularly to a supercharging device for a motor-type exhaust turbine. It is something.

「従来の技術」 低質油焚き機関や発w、a用機関等として用いられる立
型直列8シリンダディーゼル機関の過給においては、通
常、動圧式の排気タービン過給方法が採用されている。
"Prior Art" A dynamic pressure exhaust turbine supercharging method is normally used for supercharging vertical in-line eight-cylinder diesel engines used as low-quality oil-fired engines, engines for W/A engines, and the like.

この過給方法は、各シリンダから排出される排気を脈動
流として排気管を通じて直接排気タービン過給機に導き
、核過給機を作動させるもので、その採用に当っては、
脈動流の形成、シリンダの着火順序等を充分考)ぺして
上記の排気管を配管する必要がある。第9図は、上記デ
ィーゼル機関に設けた従来の過給装置の排気管部分を示
すもので、過給機のタービンケースlとシリンダヘッド
2との間には、μ組の排気管8゜牛、5.6が接続され
ており、各排気f8 、4 。
In this supercharging method, the exhaust gas discharged from each cylinder is guided as a pulsating flow through the exhaust pipe directly to the exhaust turbine supercharger to operate the nuclear supercharger.
It is necessary to carefully consider the formation of pulsating flow, the firing order of the cylinders, etc.) In addition, it is necessary to install the above exhaust pipe. Fig. 9 shows the exhaust pipe section of the conventional supercharging device installed in the above-mentioned diesel engine. ,5.6 are connected, each exhaust f8,4.

5.6はそnぞ−n2基のシリンダからの排気を過給機
に導くようになっている。なお、図中7は給気管である
5.6 is designed to guide the exhaust gas from the two cylinders to the supercharger. Note that 7 in the figure is an air supply pipe.

「発明が解決しようとする問題点」 ところが、上記従来の過給装置では、上述のようにφ組
の排気管8,4.F)、6が取付けらnており、しかも
、こnら排気f8 、4 、5 、6は給気管7と共に
狭い場所に集中して配設されている±め、その着脱が極
めて面倒で、機関自体の保守作業性が悪いという欠点が
あつt。そして、この欠点の±めに8シリンダディーゼ
ル機関の代りに6シリンダデイーゼル概関が採用さnる
場合が多かつ之。
"Problems to be Solved by the Invention" However, in the conventional supercharging device, as described above, the φ set of exhaust pipes 8, 4. F), 6 are installed, and these exhaust air f8, 4, 5, 6 are concentrated in a narrow space together with the air supply pipe 7, so it is extremely troublesome to attach and detach them. The disadvantage is that the engine itself has poor maintainability. To overcome this drawback, a 6-cylinder diesel engine is often used instead of an 8-cylinder diesel engine.

本発明は、上記事情に鑑みてなされたもので、分解組立
てが容易で保守の作業性が良い上に、過給性能が良好な
立型直列8シリンダデイーゼル哉関における過給装置を
提供することを目的とする。
The present invention has been made in view of the above circumstances, and provides a supercharging device for a vertical in-line 8-cylinder diesel engine that is easy to disassemble and assemble, has good maintenance workability, and has good supercharging performance. With the goal.

「問題点を解決するための手段」 上記目的を達成する丸めに、本発明の過給装置は、立型
直列8シリンダディーゼル機関の一方の4基のシリンダ
のシリンダヘッド近傍に第1排気タービン過給機を配設
し、かつ、上記餞関の他方の4基のシリンダのシリンダ
ヘッド近傍に第2排気タービン過給概を配設すると共に
、上記第1排気タービン過給機と上記一方の4基のシリ
ンダのシリンダヘッドとの間に、該一方の4基のシリン
ダの中の2基のシリンダからの排気を導く第1排気管部
と残りの2基のシリンダからの排気を導く第2排気管部
とから成る@l排気管を接続し、かつ、上記第2排気タ
ービン過給αと上記他方の4基のシリンダのシリンダヘ
ッドとの間に、該他方の4基のシリンダの中の2基のシ
リンダからの排気を導く第3排気管部と残りの2基のシ
リンダからの排気を導く第4排気・q邸とから成るwc
2排気管を接続する一方、上記第1排気タービン過給機
と第2排気タービン過給機に給気冷却器を連絡して構成
し念ものである。
"Means for Solving the Problems" To achieve the above object, the supercharging device of the present invention has a first exhaust turbine supercharger installed near the cylinder head of one of the four cylinders of a vertical in-line eight-cylinder diesel engine. A feeder is disposed, and a second exhaust turbine supercharging section is disposed near the cylinder heads of the other four cylinders of the connection, and the first exhaust turbine supercharger and one of the four cylinders are connected to each other. A first exhaust pipe section that guides exhaust gas from two of the four cylinders and a second exhaust pipe section that guides exhaust gas from the remaining two cylinders are connected between the cylinder head of the base cylinder and the cylinder head of the base cylinder. 2 of the other four cylinders is connected between the second exhaust turbine supercharging α and the cylinder heads of the other four cylinders. The wc consists of a third exhaust pipe section that guides exhaust from the base cylinder and a fourth exhaust pipe section that guides exhaust from the remaining two cylinders.
In this case, two exhaust pipes are connected, and a charge air cooler is connected to the first exhaust turbine supercharger and the second exhaust turbine supercharger.

「作用1 上記構成の過給装置においては、上記一方の4基のシリ
ンダからの排気は第1排気管を通じて第1排気タービン
過給機に入って該過給機を作動し、ま之、上記他方の4
基のシリンダからの排気は第2排気管を通じて第2排気
タービン過給機に人って咳過給機を作動する一方、上記
第1.第2排気タービン過給機によって加圧された給気
は給気冷却器によって冷却されて上記各シリンダに供給
さnる。そして、その保守においては、排気管は第1排
気管と第2排気管の2組の着脱を行うのみでよい。
"Effect 1 In the supercharging device with the above configuration, the exhaust gas from one of the four cylinders enters the first exhaust turbine supercharger through the first exhaust pipe and operates the supercharger. the other 4
Exhaust from the first cylinder passes through the second exhaust pipe to the second exhaust turbine supercharger to operate the cough supercharger, while the first. Charge air pressurized by the second exhaust turbine supercharger is cooled by a charge air cooler and supplied to each of the cylinders. For maintenance, it is only necessary to attach and detach two sets of exhaust pipes, a first exhaust pipe and a second exhaust pipe.

「実施例」 以下、本発明の一実施例を第1図ないし第7図を参照し
て説明する。
"Embodiment" An embodiment of the present invention will be described below with reference to FIGS. 1 to 7.

図中11.12.・・・、18は、立型直列8シリンダ
デイーゼルIn、閣の第1.第2.・・・、第3シリン
ダのシリンダヘッド(以下、第t 、第2 、・・・。
11.12 in the figure. . . , 18 is the vertical inline 8 cylinder diesel engine, No. 1 of the cabinet. Second. ..., the cylinder head of the third cylinder (hereinafter referred to as the tth, second, etc.).

第3シリンダヘツドと称す)である。こnらシリンダヘ
ッドLL、12.・・・、18はボア径をDとすると約
1.4Dの高さt有する4弁式の単筒形のもので、そn
ぞn第3図及び第ψ図に示すように、その下面には各シ
リンダ内部に開口する各一対の吸気口19.19と各一
対の排気口20 、20が並べて形成されている。また
、各シリンダヘッド11,12.・・・、18の内部の
下方部位には、各一端が上記各一対の吸気口19.19
にそnぞれ連通し、各他端が核各シリンダヘッドLL、
12゜・・・、18の1罰方下面にそ1ぞれ開口する各
一対の吸気流路21.21が形成され、かつ、上記各一
対の吸気流路zt、giより上方の部位には、収容シリ
ンダヘッド11,12.・・・、18の並ぶ方向(@φ
図における上下方向)に該各シリンダヘッドL L 、
 12 、・・・、18を貫通する谷排気管路22が形
成さnlさらに、各シリンダヘッド11゜1B、・・・
、18の内部には、各一端が上記各一対の排気口20.
20に連通し、各他端側が上記各排気管路22に連通ず
る各排気流路28と、上記排気管路22に連通して設け
られ、上記各排気管路22を該シリンダヘッド11.1
g、・・・、18の上部に開口する排気通路28aとが
形成されている。
(referred to as the third cylinder head). These cylinder heads LL, 12. ..., 18 is a four-valve single-cylinder type with a height t of approximately 1.4D, where D is the bore diameter, and
As shown in FIG. 3 and FIG. Further, each cylinder head 11, 12 . ..., in the lower part of the inside of 18, each one end is connected to each pair of intake ports 19, 19.
Each cylinder head LL communicates with each other, and each other end is a core.
12°..., 18, a pair of intake passages 21, 21 each opening in one direction are formed, and a portion above each pair of intake passages zt, gi is provided with a , housing cylinder heads 11, 12 . ..., the direction in which 18 lines are lined up (@φ
(in the vertical direction in the figure), each cylinder head L L ,
12, . . . , 18 is formed with a valley exhaust pipe 22. Furthermore, each cylinder head 11° 1B, .
, 18, one end of each of which is connected to each pair of exhaust ports 20.
20 and each other end of which communicates with each of the exhaust pipes 22;
g, .

そして、上g己itン17 yグヘッド11と第2シリ
ンダヘツド12との閣、第3シリンダヘツド18と第4
シリンダヘツド14との間、第5シリンダヘツド15と
第6シリンダヘツドとの間、及び第7シリンダヘツド1
7と第3シリンダヘツド18との間には、七〇それ第j
図ないし第7図に示すように、各ita孔24を有する
楔状の各継ぎシール部材25が、その各貫通孔24を上
記各組のシリンダヘッドti、tz、・・・、の各排気
管路22に連通させて取付けらnている。、また図示し
ないが、上記第2シリンダヘツド12と第3シリンダヘ
ツド18との間、第6シリンダヘツド16と第7シリン
ダヘツドL7との間には、それぞn上記継ぎシール部材
25の貫通孔24を無くしたものに相当する楔状の各閉
塞部材が介在せしめられ、かつ、上記窟l、第3シリン
ダヘッドti、taの各排気管路22の外部への開口端
は各閉塞部材により基がnると共に、第1.第3 、M
6 、第3シリンダヘッド11.18,16.18の各
排気流路28の上方への開口端(排気+6路28aの外
端)も各閉基部材により塞がれている。
The upper cylinder head 17 is connected to the second cylinder head 12, the third cylinder head 18 is connected to the fourth cylinder head 18, and the third cylinder head 18 is
between the cylinder head 14, between the fifth cylinder head 15 and the sixth cylinder head, and between the seventh cylinder head 1
7 and the third cylinder head 18.
As shown in the figures to FIG. 7, each wedge-shaped joint seal member 25 having each ita hole 24 connects each through hole 24 to each exhaust pipe line of each set of cylinder heads ti, tz, . . . It is installed in communication with 22. Although not shown, there are through holes in the joint seal member 25 between the second cylinder head 12 and the third cylinder head 18, and between the sixth cylinder head 16 and the seventh cylinder head L7, respectively. 24 are removed, and the opening ends of the exhaust pipes 22 of the cavity l, third cylinder head ti, ta to the outside are closed by the respective closing members. 1. Third, M
6. The upward opening end of each exhaust passage 28 of the third cylinder heads 11.18 and 16.18 (the outer end of the exhaust +6 passage 28a) is also closed by each closing member.

一方、上記第3.第4シリンダヘッドta、t4の上方
には、タービン部26とプロアfi27とから成り、該
ブロア部27の吸気口にはフィルタ28が備えられ之第
1排気タービン過l@成(以下第1過給険と略す)29
が、そのタービン部26を中央側にして配設され、かつ
、上記@5.第6シリングヘツド15.16の上方には
、同じくタービン部80とブロア部81とから成り、該
ブロア部31の吸気口にはフィルタ82が備えらn九第
2排気タービン過給R(以下第2過給機と略す)88が
、そのタービン部80を上記タービン部26に対向させ
て中央側にして配役されている。そして、上記第1過給
機29のタービン部26の吸込み口26aには@l排気
管84が、かつ、上記第2過給機8Bのタービンs80
の吸込み口80aには第2排気f85がそnぞれ接続さ
れている。上記第1排気管84は、一端が上記第2シリ
ンダヘツド12の排気流路28の上方への開口端に着脱
可能に接伏され、他端が上記第4シリンダヘツド14の
排気流路28の上方への開口端に着脱可能に接続されて
いると共に、中間部位の吐出口84aが上記タービン部
26の吸込み口26aに着脱可能に接続さまたもので、
その一端と吐出口84aとの闇の部分は第1.第2シリ
ンダからの排気eをタービン部26に導く第1排気管部
84bとなシ―その他端と吐出口84aとの間の部分は
第3.第4シリンダからの排気eをタービン部z6に導
く第2排気管部f34cとなっている。また、上記第2
排気管85も同様に、一端が上記第5シリンダヘツド1
5の排気流路28の上方への開口端に着脱可能に接続さ
れ、他端が上記第7シリンダヘツド17の排気流路28
の上方への開口端に着脱可能に接続さnると共に、中間
部位の吐出口85aが上記タービン部80の吸込み口8
0aに着脱可能に接続されたもので、その一端と吐出口
85aとの間の部分は@5 、@6シリンダからの排気
eをタービン1ftisoに導く第3排気′W部B5b
となシ、その他端と吐出口85aとの間の部分はl@?
On the other hand, the above 3. Above the fourth cylinder head ta, t4, there is a turbine section 26 and a blower fi 27, and the intake port of the blower section 27 is equipped with a filter 28. (abbreviated as insurance)29
is arranged with the turbine section 26 facing the center side, and the above @5. Above the sixth cylinder head 15.16, there is also a turbine section 80 and a blower section 81, and the intake port of the blower section 31 is equipped with a filter 82. 2 supercharger) 88 is disposed with its turbine section 80 facing the turbine section 26 and facing toward the center. The suction port 26a of the turbine section 26 of the first supercharger 29 has an @l exhaust pipe 84, and the turbine s80 of the second supercharger 8B
A second exhaust air f85 is connected to the suction port 80a of each of the two. The first exhaust pipe 84 has one end removably attached to the upwardly open end of the exhaust passage 28 of the second cylinder head 12, and the other end of the exhaust passage 28 of the fourth cylinder head 14. It is removably connected to the upward opening end, and the discharge port 84a of the intermediate portion is removably connected to the suction port 26a of the turbine section 26,
The dark part between the one end and the discharge port 84a is the first. The first exhaust pipe section 84b that guides the exhaust gas e from the second cylinder to the turbine section 26 is the third section between the other end and the discharge port 84a. It is a second exhaust pipe part f34c that guides the exhaust e from the fourth cylinder to the turbine part z6. In addition, the second
Similarly, one end of the exhaust pipe 85 is connected to the fifth cylinder head 1.
The exhaust flow path 28 of the seventh cylinder head 17 is removably connected to the upwardly open end of the exhaust flow path 28 of the seventh cylinder head 17 .
It is removably connected to the upward opening end, and the discharge port 85a in the intermediate portion is connected to the suction port 8 of the turbine section 80.
0a, and the part between its one end and the discharge port 85a is a third exhaust 'W part B5b which guides the exhaust e from the cylinders @5 and @6 to the turbine 1ftiso.
The part between the other end and the discharge port 85a is l@?
.

第3シリンダからの排気eをタービン部80に導く第4
排気管g8ficとなっている。
A fourth cylinder that guides the exhaust e from the third cylinder to the turbine section 80.
The exhaust pipe is G8fic.

さらに、上記第1.第2過給機29.88の各タービン
部26.80の各吐出口には、排気吐出集口管86が取
付けら詐る一方、各ブロア部27゜81の吐出側には、
一端において一本に集合し、他端において二本に分岐じ
MW字状の給気連結管B7の他端が着脱可能なゴムホー
ス継手8?aを介して接続され、この給気連結管87の
一端はクランクケース38に連通して着脱可能に接続さ
れている。ま九、上記クランクケース88の内部には、
第1ないし第4シリンダ四にこれらのシリンダ用の水冷
式の第1給気冷却器89が、第5ないし第3シリンダ側
にこれらのシリンダ用のf42給気冷却器40がそれぞ
れ配設されると共に、該各給気冷却器89.40の給気
数人n口を上記給気連結管87に連絡する高温nIの給
気流路41と、該各給気冷却器89.40の給気吐出口
を上記各シリンダヘッド11.1B、・・・、18の各
吸気流路21に接続された各給気管42に連絡する低温
側の給気流路48とが形成されている。
Furthermore, the above 1. An exhaust discharge outlet pipe 86 is attached to each discharge port of each turbine section 26.80 of the second supercharger 29.88, while an exhaust outlet pipe 86 is attached to the discharge side of each blower section 27.81.
A rubber hose joint 8 that gathers into one at one end and branches into two at the other end, and the other end of the MW-shaped air supply connecting pipe B7 is detachable? a, and one end of this air supply connecting pipe 87 communicates with the crankcase 38 and is detachably connected thereto. Nine, inside the crankcase 88,
A water-cooled first charge air cooler 89 for these cylinders is arranged in the first to fourth cylinders, and an F42 charge air cooler 40 for these cylinders is arranged in the fifth to third cylinders. In addition, a high temperature nI supply air flow path 41 connecting the supply air number n ports of each supply air cooler 89.40 to the supply air connecting pipe 87, and a supply air discharge of each supply air cooler 89.40. A low-temperature side air supply passage 48 is formed whose outlet communicates with each intake pipe 42 connected to each intake passage 21 of each cylinder head 11.1B, . . . , 18.

なお、図中44は吸気弁、45.46は冷却水流路、4
7は耐熱性のガスシール材、48は0リング、49.5
0は上記各給気冷却器8SJ、40に冷却水Wを流す水
配管、51は各給気冷却器89゜40の高温ガスと低温
ガスを分けるシールであるつま之、上記8シリンダディ
ーゼル機関のクランク−〇の形状は例えば第5図(a)
、(b)に示すようになっており、排気ガスの吹返しを
防止するため着火順序は、 l−8−F)−2−8−6−4−7 あるいは の順とさnる。ここで、第を図(a)、(b)、上記着
火順序におけるlないし8の数値はシリンダ番号を示す
ものである。
In addition, in the figure, 44 is an intake valve, 45.46 is a cooling water flow path, and 4
7 is a heat-resistant gas sealing material, 48 is an O-ring, 49.5
0 is a water pipe for flowing cooling water W to each of the above-mentioned charge air coolers 8SJ and 40, 51 is a seal that separates high temperature gas and low temperature gas in each charge air cooler 89. For example, the shape of crank-○ is shown in Fig. 5(a).
, (b), and in order to prevent blowback of exhaust gas, the ignition order is 1-8-F)-2-8-6-4-7 or n. Here, the numbers 1 to 8 in the above ignition order in Figures (a) and (b) indicate cylinder numbers.

しかして、上記構成の過給装置においては、第1シリン
ダからの排気eは、第1シリンダヘツドllの排気流路
28.排気管路z2=第2シリンダヘッド12の排気管
路22.排気通路2f3a−第1排気管84の第1排気
WI部B4b−第1過給d29のタービン526=排気
吐出集合管86の1[で流れる。また、@2シリンダか
らの排気eは、第2シリンダヘツド12の排気流路21
3.排気通路28aから第1排気管84の第1排気管部
34bを経てvIl過給機2gに入り、排気吐出集合f
86に流n出る。IW1様にして他のシリンダからの排
気eの流nは次のようになる。
In the supercharging device configured as described above, the exhaust e from the first cylinder is transferred to the exhaust flow path 28. of the first cylinder head II. Exhaust pipe line z2 = exhaust pipe line 22 of the second cylinder head 12. Flows through exhaust passage 2f3a - first exhaust WI section B4b of first exhaust pipe 84 - turbine 526 of first supercharging d29 = 1 of exhaust discharge manifold pipe 86. Further, the exhaust e from the @2 cylinder is passed through the exhaust flow path 21 of the second cylinder head 12.
3. The exhaust passage 28a passes through the first exhaust pipe section 34b of the first exhaust pipe 84, enters the vIl supercharger 2g, and enters the exhaust discharge collection f.
86. The flow n of exhaust gas e from other cylinders as in IW1 is as follows.

第3シリンダー第3シリンダヘツドlB→第4シリンダ
ヘツド14=第1排気管84→第1過給機29=排気吐
出集合’W86゜ 第4シリンダー・第4シリンダヘツド14=第1排気管
84−第1過給機29=排気吐出集合管86゜第5シリ
ンダー第5シリンダヘツド15→第2排気管86−第2
過給a8B=排気吐出集合管86゜第6シリンダー第6
シリンダヘツド15→@5シリンダヘツド15→第2排
気−WB2−第2過給&8B=排気吐出集合管86゜ 第7シリンダ→第7シリンダヘツド17→第2排気管8
5−第2過給後88−排気吐出集合管86゜第3シリン
ダー第3シリンダヘツド18−第7シリンダヘツド17
=第2排気管85−第2過給機88−排気吐出集合管8
6 一方、給気aは、各フィルタ28.82を経て第1.第
2過給似29.80の各プロア部27゜81に入って加
圧され、給気連結vtsqからクランクケース88内に
入って水配管50の廻りを流れ、給気流路41を経て第
1.第2給気冷却器89゜40に入って冷却されて密度
が高めらnる。そして、第1給気冷却器89からの給気
aは、給気流路48.給気管42を経て@1.・・・、
第4シリンダヘッド11.・・・、14の吸気流路21
に入り、第1.・・・、第4シリンダ内に供給され、ま
た、第2給気冷却器40からの給気aは、給気流路48
゜給気管42を経て第5.・・・、第3シリングヘツド
15、・・・、18の吸気流路21に入り、第5.・・
・。
3rd cylinder 3rd cylinder head 1B → 4th cylinder head 14 = 1st exhaust pipe 84 → 1st supercharger 29 = exhaust discharge set 'W86° 4th cylinder/4th cylinder head 14 = 1st exhaust pipe 84- 1st supercharger 29 = exhaust discharge manifold pipe 86° 5th cylinder 5th cylinder head 15 → 2nd exhaust pipe 86 - 2nd
Supercharging a8B = Exhaust discharge manifold pipe 86° 6th cylinder 6th
Cylinder head 15 → @ 5 Cylinder head 15 → 2nd exhaust - WB 2 - 2nd supercharging & 8B = exhaust discharge manifold pipe 86° 7th cylinder → 7th cylinder head 17 → 2nd exhaust pipe 8
5 - After second supercharging 88 - Exhaust discharge manifold pipe 86° Third cylinder Third cylinder head 18 - Seventh cylinder head 17
=Second exhaust pipe 85-second supercharger 88-exhaust discharge collecting pipe 8
6 On the other hand, the supply air a passes through each filter 28.82 to the first. It enters each proar section 27.81 of the second supercharger 29.80 and is pressurized, enters the crankcase 88 from the supply air connection VTSQ, flows around the water pipe 50, passes through the supply air flow path 41, and is pressurized. .. It enters the second charge air cooler 89°40 where it is cooled and densified. The supply air a from the first supply air cooler 89 is supplied to the supply air flow path 48. @1 via the air supply pipe 42. ...,
Fourth cylinder head 11. ..., 14 intake channels 21
Enter the first step. ..., the supply air a is supplied into the fourth cylinder and is also supplied from the second supply air cooler 40 through the supply air flow path 48.
゜No. 5 through the air supply pipe 42. . . , enters the intake flow path 21 of the third shilling head 15, .・・・
・.

第3シリンダ内に供給さnる。It is fed into the third cylinder.

ここで、上記構成の過給装置にあっては、各シリンダヘ
ッド11.12.・・・、18の内部に排気管路22が
設けられ、かつ、2 Ti、の過給&29゜88が中央
に配設されており、こnにより、排気管が第1排気管3
4と第2排気管85の2本に減少せしめらnると共に、
該各排気管84.85が上記各過給a29,88の支持
台としても作用し、部品点数が減少せしめられる。また
、クランクケース88の内部に2基の給気冷却器89.
40が内蔵されており、こnにより、排気管と給気管の
集中化が防がれると共に、給気管系における部品点数も
減少させらnる。したがって、保守点検の際の吸排気管
系の着脱が容易になって載量の分解組立てが一段と楽に
なり、保守作業性が向上する。
Here, in the supercharging device having the above configuration, each cylinder head 11, 12. . . , 18 is provided with an exhaust pipe line 22, and a 2Ti supercharger &29°88 is disposed in the center, so that the exhaust pipe is connected to the first exhaust pipe 3.
4 and the second exhaust pipe 85, and
The exhaust pipes 84, 85 also act as supports for the superchargers a29, 88, reducing the number of parts. Additionally, two supply air coolers 89 are installed inside the crankcase 88.
40 is built-in, which prevents the exhaust pipe and the air supply pipe from becoming centralized, and also reduces the number of parts in the air supply pipe system. Therefore, the intake and exhaust pipe system can be easily attached and detached during maintenance and inspection, making disassembly and assembly of the payload much easier, and maintenance work efficiency is improved.

さらに、上記各シリンダヘッド11,12.・・・。Further, each of the cylinder heads 11, 12 . ....

18に設けらnた排気管路22により、各排気管84.
85の長さが短くなって、全体の排気管系の管路長さが
短くなり、排気抵抗が減少する一方、各シリンダヘッド
ti、is、・・・、18には、各一対の吸気流路21
.21が形成され、がっ、各排気流路28は上方に向っ
て延びているから、吸排気抵抗が減少し、とnにより、
機関性能が向上する。
18, each exhaust pipe 84.
85 is shortened, the pipe length of the entire exhaust pipe system is shortened, and the exhaust resistance is reduced. On the other hand, each cylinder head ti, is, . . . Road 21
.. 21 is formed, and each exhaust flow path 28 extends upward, so the intake and exhaust resistance is reduced.
Engine performance improves.

またさらに、上記では単筒型のシリンダヘッド11.1
2.・・・、18が継ぎシール部材25と共に組合され
て用いらrしており、([々のシリンダヘッド11,1
2.・・・、18は容易に鋳造することができるから製
作が容易でおる。また、保守4個々のシリンダヘッド1
1,12.・・・、18毎に行うことができ、好都合で
ある。
Furthermore, in the above case, the monocylindrical cylinder head 11.1
2. ..., 18 are used in combination with the joint seal member 25 ([each cylinder head 11, 1
2. . . , 18 can be easily cast, so it is easy to manufacture. Also, maintenance 4 individual cylinder head 1
1,12. . . , which can be performed every 18 times, which is convenient.

ところで、上記実7![l191では、第1.第3.第
6゜第3シリンダヘッドtt、is、io、tsからの
排気eは隣りのシリンダヘッドに導いて第11第2排気
管84.85に流入させ九が、直接第1゜第2排気管i
34,85に導くこともできる。
By the way, the above fruit 7! [In l191, 1st. Third. The exhaust e from the 6th degree third cylinder head tt, is, io, ts is guided to the adjacent cylinder head and flows into the 11th second exhaust pipe 84.85.
It can also lead to 34 and 85.

「発明の効果」 以上説明したように、本発明の立を+に列8シリンダデ
ィーゼル哉関における過給装置は、シリンダヘッドの近
傍に2基の過給吸を配設し、かつ、該2基の過給鏡とシ
リンダヘッドとを2本の排気管で連絡したものであるか
ら、排気管の着脱が容易となって機関の分解組立てが楽
になり、保守作業性が向上するという効果を奏する。
"Effects of the Invention" As explained above, the supercharging device of the present invention for an 8-cylinder diesel engine with the positive position is provided with two supercharging suction units near the cylinder head, and Since the main supercharging mirror and the cylinder head are connected through two exhaust pipes, it is easy to attach and remove the exhaust pipes, which makes disassembly and assembly of the engine easier, and improves maintenance workability. .

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

第f図ないし第を図は本発明の一実施例を示すもので、
第1図は全体の側面図、第2図は第1図の■−…矢祝図
、第3図及び第9図はシリンダヘッドの断面図、第1図
は継ぎシール部材の取付は部分の平面図、第6図は同側
面図、第り図は同断面図、第を図(a) 、 (b)は
クランク軸の形状を示す略図、また、第を図は従来の過
給装置における排気管の取付は部分の側面図である。 11 、 l 2、−、 l 8−−・−@l 、第2
 、・、第3シリンダヘツド、29・・・・・・$1排
気タービン過給筏、88・・・・・・第2排気タービン
過給機、84・・・・・・第1排気管、85・・・・・
・第2排気管、84b・・・・・・第1排気管部、84
c・・・・・・第2排気管部、85b・・・・・・第3
排気管部、85c・・・・・・t44排気管部、88・
・・・・・クランクケース、89・・・・・・at給気
冷却器、40・・・・・・第2給気冷却器。 出1人  株式会社 1jTfJ鉄工所第3図 第4図
Figures F to F show an embodiment of the present invention.
Figure 1 is an overall side view, Figure 2 is a cross-sectional view of Figure 1, Figures 3 and 9 are cross-sectional views of the cylinder head, and Figure 1 shows how the joint seal member is installed. Figure 6 is a side view, Figure 6 is a sectional view, Figures (a) and (b) are schematic diagrams showing the shape of the crankshaft, and Figure 6 is a diagram showing the shape of a conventional supercharger. The installation of the exhaust pipe is a side view of the part. 11, l 2, -, l 8--・-@l, 2nd
,...Third cylinder head, 29...$1 exhaust turbine supercharging raft, 88...Second exhaust turbine supercharger, 84...First exhaust pipe, 85...
-Second exhaust pipe, 84b...First exhaust pipe section, 84
c...Second exhaust pipe section, 85b...Third
Exhaust pipe part, 85c...T44 Exhaust pipe part, 88.
... Crank case, 89 ... AT charge air cooler, 40 ... Second charge air cooler. 1 person from 1jTfJ Ironworks Co., Ltd. Figure 3 Figure 4

Claims (2)

【特許請求の範囲】[Claims] (1)立型直列8シリンダディーゼル機関の一方の4基
のシリンダのシリンダヘッド近傍に第1排気タービン過
給機が配設され、かつ、上記機関の他方の4基のシリン
ダのシリンダヘッド近傍に第2排気タービン過給機が配
設されると共に、上記第1排気タービン過給機と上記一
方の4基のシリンダのシリンダヘッドとの間には、該一
方の4基のシリンダの中の2基のシリンダからの排気を
導く第1排気管部と残りの2基のシリンダからの排気を
導く第2排気管部とから成る第1排気管が接続され、か
つ、上記第2排気タービン過給機と上記他方の4基のシ
リンダのシリンダヘッドとの間には、該他方の4基のシ
リンダの中の2基のシリンダからの排気を導く第3排気
管部と残りの2基のシリンダからの排気を導く第4排気
管部とから成る第2排気管が接続される一方、上記第1
排気タービン過給機と第2排気タービン過給機には給気
冷却器が連絡されて成ることを特徴とする立型直列8シ
リンダディーゼル機関における過給装置。
(1) A first exhaust turbine supercharger is disposed near the cylinder head of one of the four cylinders of a vertical in-line eight-cylinder diesel engine, and a first exhaust turbine supercharger is disposed near the cylinder head of the other four cylinders of the engine. A second exhaust turbine supercharger is disposed between the first exhaust turbine supercharger and the cylinder head of the one of the four cylinders. A first exhaust pipe consisting of a first exhaust pipe section that guides exhaust gas from the base cylinder and a second exhaust pipe section that guides exhaust gas from the remaining two cylinders is connected to the second exhaust turbine supercharging system. Between the machine and the cylinder heads of the other four cylinders, there is a third exhaust pipe section that guides the exhaust from two of the other four cylinders, and a third exhaust pipe section that leads the exhaust from the remaining two cylinders. A second exhaust pipe is connected to the fourth exhaust pipe section that guides the exhaust gas of the first exhaust pipe section.
A supercharging device for a vertical in-line 8-cylinder diesel engine, characterized in that an exhaust turbine supercharger and a second exhaust turbine supercharger are connected to a charge air cooler.
(2)給気冷却器が、立型直列8シリンダディーゼル機
関のクランクケース内に配設された2基の給気冷却器で
あることを特徴とする特許請求の範囲第1項記載の立型
直列8シリンダディーゼル機関における過給装置。
(2) The vertical type according to claim 1, wherein the charge air cooler is two charge air coolers arranged in the crankcase of a vertical inline 8-cylinder diesel engine. A supercharging device for an in-line 8-cylinder diesel engine.
JP60067127A 1985-03-30 1985-03-30 Supercharger in vertical straight-type eight-cylinder diesel engine Granted JPS61226523A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60067127A JPS61226523A (en) 1985-03-30 1985-03-30 Supercharger in vertical straight-type eight-cylinder diesel engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60067127A JPS61226523A (en) 1985-03-30 1985-03-30 Supercharger in vertical straight-type eight-cylinder diesel engine

Publications (2)

Publication Number Publication Date
JPS61226523A true JPS61226523A (en) 1986-10-08
JPH0514092B2 JPH0514092B2 (en) 1993-02-24

Family

ID=13335928

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60067127A Granted JPS61226523A (en) 1985-03-30 1985-03-30 Supercharger in vertical straight-type eight-cylinder diesel engine

Country Status (1)

Country Link
JP (1) JPS61226523A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02188624A (en) * 1989-01-18 1990-07-24 Yamaha Motor Co Ltd Multiple cylinder internal combustion engine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5246218A (en) * 1975-10-07 1977-04-12 Elsbett L Internal combustion engine especially diesel engine
JPS59163131U (en) * 1984-03-19 1984-11-01 三菱重工業株式会社 Internal combustion engine supply and exhaust system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5246218A (en) * 1975-10-07 1977-04-12 Elsbett L Internal combustion engine especially diesel engine
JPS59163131U (en) * 1984-03-19 1984-11-01 三菱重工業株式会社 Internal combustion engine supply and exhaust system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02188624A (en) * 1989-01-18 1990-07-24 Yamaha Motor Co Ltd Multiple cylinder internal combustion engine

Also Published As

Publication number Publication date
JPH0514092B2 (en) 1993-02-24

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