JPH03267551A - Cylinder head of diesel engine equipped with subchamber - Google Patents
Cylinder head of diesel engine equipped with subchamberInfo
- Publication number
- JPH03267551A JPH03267551A JP6764590A JP6764590A JPH03267551A JP H03267551 A JPH03267551 A JP H03267551A JP 6764590 A JP6764590 A JP 6764590A JP 6764590 A JP6764590 A JP 6764590A JP H03267551 A JPH03267551 A JP H03267551A
- Authority
- JP
- Japan
- Prior art keywords
- cooling water
- intake valve
- cylinder head
- passage
- exhaust
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
- F02F1/4214—Shape or arrangement of intake or exhaust channels in cylinder heads specially adapted for four or more valves per cylinder
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/26—Cylinder heads having cooling means
- F02F1/36—Cylinder heads having cooling means for liquid cooling
- F02F1/40—Cylinder heads having cooling means for liquid cooling cylinder heads with means for directing, guiding, or distributing liquid stream
-
- 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
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B2075/1804—Number of cylinders
- F02B2075/1816—Number of cylinders four
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F2001/244—Arrangement of valve stems in cylinder heads
- F02F2001/247—Arrangement of valve stems in cylinder heads the valve stems being orientated in parallel with the cylinder axis
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は副室付ディーゼルエンジンのシリンダヘッドに
おける冷却構造に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a cooling structure in a cylinder head of a diesel engine with a pre-chamber.
（従来の技術）
従来、副室付ディーゼルエンジンとして、例えば実開昭
５５−１３２３４０号公報、並びに特開昭６３−２１５
８１８号公報に開示されるように、シリンダヘッドに、
副室と、一つの吸気弁と、二つの排気弁とを設けたもの
が知られている。この場合、二つの排気弁の直径を小さ
く設定すれば、その分排気弁の直径が大きく設定できて
吸・排気効率を向上できる。(Prior Art) Conventionally, as a diesel engine with a pre-chamber, for example, Japanese Utility Model Application Publication No. 55-132340 and Japanese Patent Application Laid-Open No. 63-215
As disclosed in Publication No. 818, in the cylinder head,
It is known to have a subchamber, one intake valve, and two exhaust valves. In this case, by setting the diameters of the two exhaust valves smaller, the diameters of the exhaust valves can be set correspondingly larger and the intake/exhaust efficiency can be improved.
（発明が解決しようとする課題）
ところで、このような副室付ディーゼルエンジンでは、
副室および排気弁は熱発生源として高温に維持される一
方、吸気弁はこれらに比較して低温である。そのため、
副室と吸気弁との間、および排気弁と吸気弁との間に大
きな温度差か生じてクラックの発生などの不具合を招く
。(Problem to be solved by the invention) By the way, in such a diesel engine with a pre-chamber,
The subchamber and exhaust valve are maintained at high temperatures as heat generating sources, while the intake valve is at a low temperature compared to these. Therefore,
A large temperature difference occurs between the subchamber and the intake valve, and between the exhaust valve and the intake valve, leading to problems such as cracks.
そこで、副室および排気弁まわりに冷却水通路を巡らし
てこれらを良好に冷却し、シリンダヘッドの耐久性を向
上させることが考えられる。しかし、その場合、冷却水
通路を設けるにあたっては、冷却水通路の加工性を良く
すること、冷却水通路によってエンジンのコンパクト化
か妨げられないこと、などの要求がある。Therefore, it is possible to improve the durability of the cylinder head by circulating a cooling water passage around the subchamber and the exhaust valve to cool them well. However, in that case, when providing a cooling water passage, there are requirements such as improving the workability of the cooling water passage and ensuring that the cooling water passage does not hinder the miniaturization of the engine.
本発明はこのような点に着目してなされたものであり、
その目的とするところは、高温の副室、排気弁と低温の
吸気弁とをシリンダボアにうまく配置することにより、
簡単な形状の冷却水通路でもって副室および排気弁まわ
りを良好に冷却することにある。The present invention has been made with attention to these points,
The purpose of this is to strategically arrange the high-temperature subchamber, exhaust valve, and low-temperature intake valve in the cylinder bore.
To satisfactorily cool an auxiliary chamber and an area around an exhaust valve using a simple-shaped cooling water passage.
（課題を解決するための手段）
上記目的を達成するため、本発明の解決手段は、シリン
ダ中心に対して一方に偏位させて設けられた副室と、シ
リンダ中心に対して他方に偏位させて設けられた吸気弁
と、この副室と吸気弁とを結ぶ線の両側に設けられた二
つの排気弁と、上記吸気弁と各排気弁との間にそれぞれ
設けられ且つ両排気弁の間で交叉する直線状の二本の分
岐通路よりなるＶ字形の冷却水通路とを備える構成とし
たものである。(Means for Solving the Problems) In order to achieve the above object, the solving means of the present invention provides a sub-chamber provided offset to one side with respect to the cylinder center, and a sub-chamber provided offset to the other side with respect to the cylinder center. an intake valve provided in parallel with the intake valve, two exhaust valves provided on both sides of a line connecting the subchamber and the intake valve, and an intake valve provided between the intake valve and each exhaust valve and provided between both exhaust valves. The cooling water passage has a V-shaped cooling water passage made up of two linear branch passages that intersect in between.
（作用）
上記の構成により、本発明では、高温の副室と高温の二
つの排気弁とがシリンダ中心に対して一方側に隣接して
設けられているので、高温部と低温部との境にあって温
度差が大きくなる部分が吸気弁と排気弁との間のエリア
に限定される。(Function) With the above configuration, in the present invention, the high-temperature subchamber and the two high-temperature exhaust valves are provided adjacent to each other on one side with respect to the center of the cylinder. The area where the temperature difference is large is limited to the area between the intake valve and the exhaust valve.
その場合、冷却水通路によってこの吸気弁と各排気弁と
の間が冷却されるので、上記温度差によるクラックの発
生等の不具合が防止されてシリンダヘッドの耐久性が向
上する。In this case, since the space between the intake valve and each exhaust valve is cooled by the cooling water passage, defects such as cracks caused by the temperature difference are prevented, and the durability of the cylinder head is improved.
ここで、冷却水通路は直線状の二本の分岐通路で構成さ
れているので、冷却水通路の加工性は良い。また冷却水
通路は簡単な構造であるので、エンジンのコンパクト化
が妨げられない。Here, since the cooling water passage is composed of two linear branch passages, the workability of the cooling water passage is good. Furthermore, since the cooling water passage has a simple structure, it does not prevent the engine from being made more compact.
（実施例） 以下、本発明の実施例を図面に基づいて説明する。(Example) Embodiments of the present invention will be described below based on the drawings.
第１図〜第３図は本発明の実施例に係るシリンダヘッド
を備えた４気筒副室付デイーゼルエンジンを示す。これ
らの図において、１はシリンダブロック、２はこのシリ
ンダブロック上に設けられたシリンダヘッドであって、
このシリンダブロック１に４本のシリンダ３か形成され
ている。このシリンダ３にはピストン（図示省略）か摺
動自在に嵌挿されており、シリンダ３とピストンとによ
って主燃焼室４が形成されている。1 to 3 show a four-cylinder diesel engine with a pre-chamber equipped with a cylinder head according to an embodiment of the present invention. In these figures, 1 is a cylinder block, 2 is a cylinder head provided on this cylinder block,
Four cylinders 3 are formed in this cylinder block 1. A piston (not shown) is slidably fitted into the cylinder 3, and a main combustion chamber 4 is formed by the cylinder 3 and the piston.
第１図〜第３図に示すように、上記シリンダヘッド２に
は、はぼ球状の副室１７がシリンダ中心に対して一方（
第１図の上方）に偏位させて設けられている。そして、
この副室１７は小径の噴孔１８を介して上記主燃焼室４
に接続されている。As shown in FIGS. 1 to 3, the cylinder head 2 has a spherical sub-chamber 17 on one side (
1). and,
This auxiliary chamber 17 is connected to the main combustion chamber 4 through a small-diameter nozzle hole 18.
It is connected to the.
この噴孔１８は主燃焼室４に対してその接線方向に接続
している。よって圧縮行程時、シリンダ内のエアが主燃
焼室４から噴孔１８を介して副室１７に流入すると、こ
のエアによって副室１７にスワールが形成されるように
構成されている。This nozzle hole 18 is connected to the main combustion chamber 4 in a tangential direction. Therefore, during the compression stroke, when air in the cylinder flows from the main combustion chamber 4 through the nozzle holes 18 into the auxiliary chamber 17, a swirl is formed in the auxiliary chamber 17 by this air.
さらに、上記シリンダヘッド２には、噴孔を副室１７に
臨ませて燃料噴射ノズル１９が設けられており、副室１
７で形成されたスワールに対して燃料を噴射供給して火
炎噴流を生成し、この火炎噴流を噴孔１８を介して主燃
焼室４に流入させて燃焼を進行させるようにしている。Further, the cylinder head 2 is provided with a fuel injection nozzle 19 with its injection hole facing the subchamber 17.
Fuel is injected and supplied to the swirl formed in step 7 to generate a flame jet, and this flame jet is caused to flow into the main combustion chamber 4 through the nozzle hole 18 to advance combustion.
また、上記シリンダヘッド２には、加熱部を副室１７に
臨ませてグロープラグ２０が設けられている。Further, the cylinder head 2 is provided with a glow plug 20 with its heating portion facing the auxiliary chamber 17 .
また、第３図に示すように、上記シリンダヘッド２には
、一端がシリンダヘッド側壁に開口し且つ他端が上記主
燃焼室４に開口する吸気ポート７および排気ポート８が
設けられている。上記吸気ポート７は一端か反則室側（
第１図の下側）のシリンダヘッド側壁に開口し、他端が
主燃焼室４においてシリンダ中心に対して他方（第１図
の下方）に偏位して開口している。そして、その主燃焼
室側の開口には吸気弁１１が設けられている。また、上
記排気ポート８は一端が副室側（第１図の上側）のシリ
ンダヘッド側壁に開口し、他端が主燃焼室４において上
記副室１７と吸気弁１１とを結ぶ線の両側に開口してい
る。そして、その主燃焼室側の開口には排気弁１２が設
けられている。上記シリンダヘッド２において、隣り合
うシリンダ３の排気ポート同士は合流してシリンダヘッ
ド側壁に開口している。Further, as shown in FIG. 3, the cylinder head 2 is provided with an intake port 7 and an exhaust port 8, one end of which opens into the cylinder head side wall and the other end of which opens into the main combustion chamber 4. The above intake port 7 is located at one end or on the foul room side (
It opens in the side wall of the cylinder head (lower side in FIG. 1), and the other end opens in the main combustion chamber 4 with an offset to the other side (lower side in FIG. 1) with respect to the center of the cylinder. An intake valve 11 is provided at the opening on the main combustion chamber side. Furthermore, one end of the exhaust port 8 opens in the side wall of the cylinder head on the sub-chamber side (upper side in FIG. 1), and the other end opens on both sides of the line connecting the sub-chamber 17 and the intake valve 11 in the main combustion chamber 4. It's open. An exhaust valve 12 is provided at the opening on the main combustion chamber side. In the cylinder head 2, the exhaust ports of adjacent cylinders 3 merge and open on the side wall of the cylinder head.
上記吸気弁１１とシリンダヘッド２との間にはスプリン
グ１５が縮装され、吸気弁１１を閉弁方向に付勢してい
る。また吸気弁１１のステム上端とシリンダヘッド２と
にはスイングアーム１４が掛は渡されている。シリンダ
ヘッド２の上部には上記スイングアーム１４に対して上
から当接するようにカムシャフト１３が設けられ、エン
ジン出力軸によって回転している。よってカムシャフト
１３が回転するとスイングアーム１４を介して上下動す
る吸気弁１１によって吸気ポート６が所定のタイミング
でもって開閉される。A spring 15 is compressed between the intake valve 11 and the cylinder head 2, and biases the intake valve 11 in the closing direction. Further, a swing arm 14 is connected between the upper end of the stem of the intake valve 11 and the cylinder head 2. A camshaft 13 is provided at the top of the cylinder head 2 so as to abut the swing arm 14 from above, and is rotated by the engine output shaft. Therefore, when the camshaft 13 rotates, the intake port 6 is opened and closed at a predetermined timing by the intake valve 11 which moves up and down via the swing arm 14.
また、上記排気弁１２も吸気弁１１と同様にスイングア
ームを介して上記カムシャフト１３に当接し、且つ排気
弁１２とシリンダヘッドとの間にスプリングが設けられ
ていて、カムシャフト１３が回転すると排気弁１２によ
って排気ポート８が所定のタイミングでもって開閉され
るように構成されている。Further, like the intake valve 11, the exhaust valve 12 also contacts the camshaft 13 via a swing arm, and a spring is provided between the exhaust valve 12 and the cylinder head, so that when the camshaft 13 rotates, The exhaust port 8 is configured to be opened and closed by the exhaust valve 12 at predetermined timing.
さらに、第１図および第２図に示すように、上記シリン
ダヘッド２には各シリンダ３ごとにＶ字形の冷却水通路
３２が設けられている。すなわち、シリンダヘッド２に
はロアデツキ２ａとアッパデツキ２ｂとが設けられ、こ
の両デツキ間にウォータジャケット５が形成されている
が、このロアデツキ２ａの上面にはリブ状にＶ字形の肉
盛り部３１か設けられ、この肉盛り部３１の内部にキリ
孔でもって冷却水通路３２が形成されている。この冷却
水通路３２は、上記吸気弁１１と各排気弁１２との間に
それぞれ設けられ且つ両排気弁１２の間で交叉する直線
状の二本の分岐通路３２ａよりなっている。この分岐通
路３２ａは、一端か交叉する付近でウォータジャケット
５に開口し、他端がシリンダヘッド側壁に開口している
。そして、各分岐通路３２ａのシリンダヘッド側壁側開
口部はプラグで閉塞されている。さらに、シリンダヘッ
ド２には各分岐通路３２ａの中途部とシリンダブロック
のウォータジャケット（図示省略）とを連通ずる水穴３
３が設けられている。よって、シリンダブロックのウォ
ータジャケットの冷却水は水穴３３を介して冷却水通路
３２に上がり、吸気弁１１と各排気弁１２との間を冷却
してからシリンダヘッド２のウォータジャケット５に導
入される。Further, as shown in FIGS. 1 and 2, the cylinder head 2 is provided with a V-shaped cooling water passage 32 for each cylinder 3. That is, the cylinder head 2 is provided with a lower deck 2a and an upper deck 2b, and a water jacket 5 is formed between the two decks. On the upper surface of the lower deck 2a, there is a rib-like V-shaped built-up part 31. A cooling water passage 32 is formed inside the built-up portion 31 by a drilled hole. The cooling water passage 32 includes two linear branch passages 32a that are provided between the intake valve 11 and each exhaust valve 12, and intersect between the two exhaust valves 12. This branch passage 32a opens into the water jacket 5 near the intersection at one end, and opens into the cylinder head side wall at the other end. The cylinder head side wall opening of each branch passage 32a is closed with a plug. Further, in the cylinder head 2, a water hole 3 is provided that communicates the middle part of each branch passage 32a with a water jacket (not shown) of the cylinder block.
3 is provided. Therefore, the cooling water in the water jacket of the cylinder block goes up to the cooling water passage 32 through the water hole 33, cools the space between the intake valve 11 and each exhaust valve 12, and then is introduced into the water jacket 5 of the cylinder head 2. Ru.
したがって、上記実施例においては、高温の副室１７と
高温の二つの排気弁１２とがシリンダ中心に対して一方
側に隣接して設けられているので、高温部（副室１７お
よび排気弁１２）と低温部（吸気弁１１）との境にあっ
て温度差が大きくなる部分が吸気弁１１と排気弁１２と
の間のエリアに限定される。Therefore, in the above embodiment, since the high-temperature auxiliary chamber 17 and the two high-temperature exhaust valves 12 are provided adjacent to one side with respect to the center of the cylinder, the high-temperature section (the auxiliary chamber 17 and the two exhaust valves 12 ) and the low temperature part (intake valve 11), and the area where the temperature difference is large is limited to the area between the intake valve 11 and the exhaust valve 12.
その場合、冷却水通路３２によって吸気弁１１と各排気
弁１２との間が冷却されるので、上記温度差によるクラ
ックの発生等の不具合が防止されてシリンダヘッド２の
耐久性が向上する。In this case, since the space between the intake valve 11 and each exhaust valve 12 is cooled by the cooling water passage 32, problems such as cracks caused by the temperature difference are prevented, and the durability of the cylinder head 2 is improved.
ここで、冷却水通路３２は直線状の二本の分岐通路３２
ａで構成されているので、冷却水通路３２はクロスドリ
ルなどによって容易に加工でき、加工性が良い。また冷
却水通路３２はＶ字形の簡単な構造であるので、エンジ
ンのコンパクト化が妨げられない。Here, the cooling water passage 32 has two linear branch passages 32.
a, the cooling water passage 32 can be easily machined using a cross drill or the like, and has good workability. Furthermore, since the cooling water passage 32 has a simple V-shaped structure, the engine can be made more compact.
（発明の効果）
以上説明したように、本発明の副室付ディーゼルエンジ
ンのシリンダヘッドによれば、シリンダ中心に対して一
方に偏位させて設けられた副室と、シリンダ中心に対し
て他方に偏位させて設けられた吸気弁と、この副室と吸
気弁とを結ぶ線の両側に設けられた二つの排気弁と、上
記吸気弁と各排気弁との間にそれぞれ設けられ且つ両排
気弁の間で交叉する直線状の二本の分岐通路よりなるＶ
字形の冷却水通路とを備えたので、簡単な構造でもって
吸気弁と各排気弁との間の温度差によるクラックの発生
等の不具合を防止してシリンダヘッドの耐久性を向上で
きる。(Effects of the Invention) As explained above, according to the cylinder head of a diesel engine with a pre-chamber of the present invention, the pre-chamber is provided offset to one side with respect to the center of the cylinder, and the sub-chamber is provided with an offset to the other side with respect to the center of the cylinder. an intake valve provided offset to the auxiliary chamber, two exhaust valves provided on both sides of the line connecting the auxiliary chamber and the intake valve, and two exhaust valves provided between the intake valve and each exhaust valve, and A V consisting of two linear branch passages that intersect between the exhaust valves.
Since the cylinder head is provided with a letter-shaped cooling water passage, it is possible to improve the durability of the cylinder head by preventing defects such as the occurrence of cracks due to temperature differences between the intake valve and each exhaust valve with a simple structure.
図面は本発明の実施例を例示し、第１図はシリンダヘッ
ドの下面図、第２図は第１図における■−■線断面図、
第３図は各ポートの配置を示す模式図である。
２・・・シリンダヘッド
３・・・シリンダ
１・・・吸気弁
２・・・排気弁
７・・・副室
２・・・冷却水通路
ａ・・・分岐通路The drawings illustrate embodiments of the present invention, in which FIG. 1 is a bottom view of the cylinder head, FIG. 2 is a sectional view taken along the line ■-■ in FIG.
FIG. 3 is a schematic diagram showing the arrangement of each port. 2...Cylinder head 3...Cylinder 1...Intake valve 2...Exhaust valve 7...Subchamber 2...Cooling water passage a...Branch passage
Claims (1)
た副室と、 シリンダ中心に対して他方に偏位させて設けられた吸気
弁と、 この副室と吸気弁とを結ぶ線の両側に設けられた二つの
排気弁と、 上記吸気弁と各排気弁との間にそれぞれ設けられ且つ両
排気弁の間で交叉する直線状の二本の分岐通路よりなる
Ｖ字形の冷却水通路と を備えたことを特徴とする副室付ディーゼルエンジンの
シリンダヘッド。(1) An auxiliary chamber provided offset to one side with respect to the cylinder center, an intake valve provided offset to the other side with respect to the cylinder center, and a line connecting the auxiliary chamber and the intake valve. A V-shaped cooling water passage consisting of two exhaust valves provided on both sides, and two linear branch passages provided between the intake valve and each exhaust valve and intersecting between the two exhaust valves. A cylinder head for a diesel engine with a pre-chamber, characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6764590A JPH03267551A (en) | 1990-03-15 | 1990-03-15 | Cylinder head of diesel engine equipped with subchamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6764590A JPH03267551A (en) | 1990-03-15 | 1990-03-15 | Cylinder head of diesel engine equipped with subchamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03267551A true JPH03267551A (en) | 1991-11-28 |
Family
ID=13350960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6764590A Pending JPH03267551A (en) | 1990-03-15 | 1990-03-15 | Cylinder head of diesel engine equipped with subchamber |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03267551A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980024662A (en) * | 1996-09-20 | 1998-07-06 | 헨리·디·지·워레스 | Cylinder block structure of insolvent diesel engine |
| CN102235263A (en) * | 2010-04-29 | 2011-11-09 | 广西玉柴机器股份有限公司 | Air cylinder cover for four-valve diesel engine |
| CN102678373A (en) * | 2011-03-14 | 2012-09-19 | 广西玉柴机器股份有限公司 | Diesel engine cylinder head |
| JP2016176383A (en) * | 2015-03-19 | 2016-10-06 | 本田技研工業株式会社 | Cylinder injection type internal combustion engine |
-
1990
- 1990-03-15 JP JP6764590A patent/JPH03267551A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980024662A (en) * | 1996-09-20 | 1998-07-06 | 헨리·디·지·워레스 | Cylinder block structure of insolvent diesel engine |
| CN102235263A (en) * | 2010-04-29 | 2011-11-09 | 广西玉柴机器股份有限公司 | Air cylinder cover for four-valve diesel engine |
| CN102678373A (en) * | 2011-03-14 | 2012-09-19 | 广西玉柴机器股份有限公司 | Diesel engine cylinder head |
| CN102678373B (en) * | 2011-03-14 | 2014-05-21 | 广西玉柴机器股份有限公司 | Diesel engine cylinder head |
| JP2016176383A (en) * | 2015-03-19 | 2016-10-06 | 本田技研工業株式会社 | Cylinder injection type internal combustion engine |
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