JPS6263117A - Cooling device for horizontal engine - Google Patents
Cooling device for horizontal engineInfo
- Publication number
- JPS6263117A JPS6263117A JP20365485A JP20365485A JPS6263117A JP S6263117 A JPS6263117 A JP S6263117A JP 20365485 A JP20365485 A JP 20365485A JP 20365485 A JP20365485 A JP 20365485A JP S6263117 A JPS6263117 A JP S6263117A
- Authority
- JP
- Japan
- Prior art keywords
- cooling
- cooling water
- engine
- radiator
- water
- 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
- 238000001816 cooling Methods 0.000 title claims abstract description 44
- 239000000498 cooling water Substances 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 239000002826 coolant Substances 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 230000020169 heat generation Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- 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、例えば１良機用エンジン等に使用される横形
エンジンの冷却装置の改良に関づる一ｂのである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to the improvement of a cooling device for a horizontal engine used, for example, in a commercial engine.
（従来技術及びその問題点）
従来のこの種の横形エンジンでは、エンジンの上部にラ
ジェータを設け、冷却１水の湿度差で低温に冷ＩＡされ
た冷ｆＪｌ水をエンジンの下部に案内し、エンジンの上
部から高温になった冷却水をラジェータに流通ざぜるよ
うになっでいる。(Prior art and its problems) In a conventional horizontal engine of this type, a radiator is provided at the top of the engine, and cold fJl water, which has been cooled to a low temperature due to the humidity difference in the cooling water, is guided to the bottom of the engine. The high temperature cooling water is distributed from the top of the radiator to the radiator.
ところで、シリンダヘッド等の高発熱部分の冷ｒＪＩ水
は高温になり、シリンダライナ等の低発熱部分の冷却水
は比較的低温になる傾向があるに乙にも拘らず、従来の
構造では両方の冷却水を−・緒にして冷却水温度差にＪ
：る自然対流でラジ」二一夕に流通さＵるようにしてい
る。By the way, the cold RJI water in high heat generation parts such as the cylinder head tends to be high temperature, and the cooling water in low heat generation parts such as the cylinder liner tends to be relatively low temperature.However, in the conventional structure, both Combine the cooling water with J to reduce the cooling water temperature difference.
: The natural convection allows the water to be distributed in two or two evenings.
したがって、高温の冷却水は低温の冷却水と混合されて
冷却水温１良差が少なくなり、自然対流による冷却水の
ラジコ［−夕への流通が妨げられるという問題がある。Therefore, the high-temperature cooling water is mixed with the low-temperature cooling water, and the difference in cooling water temperature decreases, causing a problem in that the flow of the cooling water to the radio station due to natural convection is hindered.
このため高発熱部分の冷）Ｊｌが不十分になり、ラジェ
ータを大型化したり、冷７．１フアンの容量を大ぎくし
たりしでいる。As a result, there is insufficient cooling (cooling) Jl in high-heating parts, making it necessary to increase the size of the radiator or increase the capacity of the cooling 7.1 fan.
（発明の目的）
本発明は、高発熱部分及び低発熱部分の冷却水の流通を
分割し、自然対流による冷加１効率を向上させ１！？る
横形エンジンの冷ＪＪＩ装置を捉供することをｌ］的と
している。(Objective of the Invention) The present invention divides the flow of cooling water between high-heat generation parts and low-heat generation parts, improves the cooling efficiency by natural convection, and improves the cooling efficiency by 1! ? The objective is to provide a cold JJI system for horizontal engines.
（発明の構成）
（１）技術的手段
本発明は、エンジンのシリンダ中心線を横方向に配性し
、エンジンの上部にラン１−夕を設け、冷却水の温度差
で低温に冷んｊされた冷Ｎ１水をエンジンの下部に案内
し、エンジンの上部から高温になった冷却水をラジェー
タに流通させるにうにした横形エンジンの冷ｆＪｌ装置
において、該冷却装置を［ンジンの高発熱部分を冷却す
る容量の大きな人冷７１系統と、低発熱部分を冷却する
容量の小ざな小冷）」１系統どに２分割して形成し、両
系統のラジェータ底部からエンジン下部に冷ｆＪｌ後の
冷ｆＪＩ水を個別に案内する冷却水通路を設けたことを
特徴どづる横形エンジンの冷ＤＩ装置である。(Structure of the Invention) (1) Technical Means The present invention arranges the cylinder center line of the engine in the lateral direction, provides a run at the top of the engine, and cools the engine to a low temperature by the temperature difference of the cooling water. In a cold fJl system for a horizontal engine, the cooled N1 water is guided to the lower part of the engine, and the high-temperature cooling water is distributed from the upper part of the engine to the radiator. It is divided into two systems, one with a large capacity for cooling (human cooling system 71, and the other with a small capacity for cooling low heat generation parts). This is a cold DI device for a horizontal engine, which is characterized by the provision of cooling water passages that individually guide fJI water.
（２）作用
両冷却系統は２分割されているので、高温の冷加水と低
温の冷用水が独立して流通し、それぞれの冷却水温度差
に応じた流ｆｉｌでラジエ−りに流通づる。(2) Function Since both cooling systems are divided into two parts, the high-temperature chilled water and the low-temperature chilled water flow independently, and are distributed to the radiator at a flow rate corresponding to the temperature difference between the respective cooling waters.
（実施例）
本発明を採用した横形ディーゼルエンジンを承り第１図
にＪ３いて、１０はシリンダヘッド、１２はエンジンブ
ロックである。二［ンジンブロック１２にはシリンダラ
イナー１４、ビス１ヘン１６、］ンロツド１８等が設け
られており、中心線０１は略水平な横方向に伸びている
。なＪ３２０はカム軸、２２はブツシュ１−１ツドであ
る。(Example) A horizontal diesel engine employing the present invention is shown in FIG. 1 as J3, where 10 is a cylinder head and 12 is an engine block. The engine block 12 is provided with a cylinder liner 14, a screw 16, a connecting rod 18, etc., and the center line 01 extends in a substantially horizontal lateral direction. J320 is a camshaft, and 22 is a bush 1-1.
エンジンブロック１２の上面に（まラジェータ２４がボ
ルト止めされており、ラジェータ２４の内部ニＧＪ主冷
Ｌ１室２６ａ、補助冷２．ＩＩ室２６ｂ、通路２８ａ、
２８ｂ、アッパータンク３０が形成されている。１冷り
Ｊｌ室２６ａは発熱量の多いシリンダヘッド１０で加熱
された冷却水を冷却する機能を有し、シリンダヘッド１
０からの発熱量に応じた大容量に設定されている。A radiator 24 is bolted to the top surface of the engine block 12, and the inside of the radiator 24 includes a GJ main cooling L1 chamber 26a, an auxiliary cooling 2.
28b, an upper tank 30 is formed. 1 cooling Jl chamber 26a has a function of cooling the cooling water heated by the cylinder head 10 which generates a large amount of heat, and
The capacity is set to be large according to the amount of heat generated from 0.
一方補助冷１４１室２６ｂは比較的発熱■の少／ｉいシ
リンダラーｒす１４で加熱された冷ＪＪＩ水を冷ＪＪｌ
−！Ｊ’る機能を有し、シリンダライプ１４がらの発
熱■に応じた小官ｈｉに設定されている。なＪ３、ラジ
ェータ２４の外周面には冷ＩＪｌファン（図示せヂ）か
らの冷ｆＪｌ風が流れている１゜
−［ンジンブｒ＋ツク１２の上端部にはロアタンク３２
ａ、３２ｂが形成されてＪ３す、ロアタンク３２ａ、３
２ｂは−すれぞれ主冷ＪＪｌ室２６ａ、補助冷ｎｊ室２
６ ｂに連続している。１］アタンク３２ａには冷ノ」
１水通路３／Ｉａの上端部が間口しており、冷却水通路
３／Ｉａは第２図に示りＪ：うにエンジンブ１」ツク１
２の外周部に沿って下端部にまで伸びて、通路３６ａに
連通している。冷ＪＪＩ水通路３４ Ｇの下端部はブツ
シュロッド２２を通す空間２２ａとの間に隔壁２２ｂを
隔Ｃている。On the other hand, in the auxiliary cooling 141 chamber 26b, the cold JJI water heated in the cylinder roller 14 with relatively little heat generation is transferred to the cold JJI
-! It has a function of ``J'' and is set to a small value hi according to the heat generation from the cylinder type 14. J3, cold air from a cold IJl fan (not shown) flows on the outer circumferential surface of the radiator 24.
a, 32b are formed and the lower tank 32a, 3 is formed.
2b are respectively the main cold JJl chamber 26a and the auxiliary cold nj chamber 2.
Continuous to 6b. 1] Attank 32a is cold.”
1 The upper end of the water passage 3/Ia is open, and the cooling water passage 3/Ia is shown in Figure 2.
2 to the lower end thereof, and communicates with the passage 36a. A partition wall 22b is provided between the lower end of the cold JJI water passage 34G and the space 22a through which the bush rod 22 passes.
通路ａ ６ ａはシリンダヘッド１０の冷）Ｊｌ水ジャ
ケット３８ａ（第１図）に連通しており、冷ｆＪｌ水ジ
【・クツｈ ３８ ａは史にエンジンブロック１２の上
端部に形成されｌご通路４０ａを介して前記通路２８ａ
に繋がっている。以上の１冷ｕ１室２６ａ１冷却水通路
３４ａ、冷却水ジャケット３８ａ等で大冷却系統が構成
されている。The passage a6a communicates with the cold water jacket 38a (Fig. 1) of the cylinder head 10, and the cold water jacket 38a was historically formed at the upper end of the engine block 12 and The passage 28a via the passage 40a
is connected to. A large cooling system is constituted by the above-mentioned cooling u1 chamber 26a, cooling water passage 34a, cooling water jacket 38a, etc.
同様に前記ロアタンク３２ｂには第１図に示すように、
冷ｒＪＩ水通路３４ｂの上端部が開口してＪ３す、冷加
１水通路３４ｂはエンジンブロック１２の外周面に沿っ
てエンジンブ〔１ツク１２の冷却水ジＶケット３８ｂの
下端部にまで伸びている。冷Ｎ１水ジレケツト３８ｂは
第２図に示すＪ、うに、シリンダライナ１４の全周を囲
むように形成されでおり、冷２ＪＩ水ジ１！ケツト３８
ｂの上端部は第１図中の通路２８ｂに連通している１１
以上の補助冷７Ｊｌ室２６ ｂ、 冷ｒＪＩ水通路３４
ｂ、 ？ＴｈｆＪｌ水シＩｙｔッｈ ３８ｂ等で小冷
ＴＪＩ系統が構成されている。Similarly, as shown in FIG. 1, in the lower tank 32b,
The upper end of the cooling water passage 34b is opened and the cooling water passage 34b extends along the outer peripheral surface of the engine block 12 to the lower end of the cooling water jacket 38b of the engine block 12. ing. The cold N1 water socket 38b is formed so as to surround the entire circumference of the cylinder liner 14 as shown in FIG. ass 38
The upper end of 11 b communicates with the passage 28b in FIG.
Above auxiliary cold 7Jl chamber 26b, cold rJI water passage 34
b.? A small cold TJI system is made up of ThfJl, Iyth 38b, etc.
エンジンブロック１２のＴ”ＶＷ部における冷却水ジャ
ケット３８ｂと通路３６ａの境界部にはドレン孔４２が
穿孔されでおり、ドレン孔４２にはドレンプラグ７Ｉ／
Ｉが螺合している。ドレン孔４２内には隔壁４６の下端
部が伸びており、ドレン孔４２は冷Ｎ１水ジレケツト３
８ｂと通路３６ａの双方に連通している。A drain hole 42 is bored at the boundary between the cooling water jacket 38b and the passage 36a in the T''VW section of the engine block 12, and the drain hole 42 has a drain plug 7I/
I is screwed together. The lower end of the partition wall 46 extends into the drain hole 42, and the drain hole 42 is connected to the cold N1 water outlet 3.
8b and the passage 36a.
以上の両津ＪＪ＋系統の内部にｔよ冷ＩＪ１水Ｗが満た
されている。The interior of the Ryotsu JJ+ system described above is filled with cold IJ1 water W.
次に作用をμ２明する。かかるディーゼルエンジンでは
高温になる冷却水ジャケット３８ａの冷却水は通路４０
８，２８ａを通って大容量の主冷ｆＪｊ室２６ ａに流
入する。この冷却水ジセク゛ット３８ａからの冷却水の
流通は、冷却水Ｗが高温のままで通路４０ａ、２８ａを
流れるので、冷却水Ｗの温度差が人ぎくなり、自然対流
による冷却水Ｗの流通社はシリンダへラド１０の発熱量
に応じて増減する。Next, the effect of μ2 will be explained. In such a diesel engine, the cooling water in the cooling water jacket 38a, which becomes high in temperature, flows through the passage 40.
8, 28a and flows into the large-capacity main cooling fJj chamber 26a. In the circulation of the cooling water from the cooling water desk 38a, the cooling water W flows through the passages 40a and 28a while remaining at a high temperature, so the temperature difference in the cooling water W becomes noticeable, and the distribution company of the cooling water W by natural convection It increases or decreases depending on the amount of heat generated by the cylinder rad 10.
冷却水ジャケット３８ｂからの冷却水Ｗは通路２８ｂか
ら小容量の補助冷却室２６ｂに流入し、エンジンブロッ
ク１２からの比較的少ない発熱量に応じて緩やかに冷却
される。The cooling water W from the cooling water jacket 38b flows into the small-capacity auxiliary cooling chamber 26b from the passage 28b, and is slowly cooled according to the relatively small amount of heat generated from the engine block 12.
冷却水Ｗを排出する場合には、単一のドレンプラグ４４
を抜いて、ドレン孔４２から両津ｎ１水ジャケット３８
ａ、３８ｂ内の冷却水Ｗを排出する。When discharging the cooling water W, a single drain plug 44 is used.
Pull out the Ryotsu N1 water jacket 38 from the drain hole 42.
Drain the cooling water W in a and 38b.
（発明の効果）
以上説明したように本発明による横形エンジンの冷用装
買は、１冷７ＪＩ室２６ａ、冷却水通路３４ａ、冷に１
水ジヤクツト３８ａ等からなる大津ｎ１系統と、補助冷
ＩＩ室２６ｂ、冷却水通路３／ｌｂ、冷月１水ジャケッ
ト３８１） ＠からなる小論１１系統とを分離して設り
たので、冷却水ジ１νケット３８ａからの高温の冷ＩＪ
１水Ｗをそのままの温度で大きな温度差による自然対流
で急速に主冷却室２６ａに流入させることができ、一方
冷却水ジャケット３８ｂからの冷却水Ｗは小容量の補助
冷却室２６ｂに小さな温度差による自然対流でゆっくり
補助冷Ｊｕｌ室２６ｂに流入させることができ、ディー
ゼルエンジンの部分的な発熱ム１の違いに応じた効果的
な冷７Ｊ１を行なうことができる。(Effects of the Invention) As explained above, the cooling equipment of the horizontal engine according to the present invention includes one cold 7JI chamber 26a, one cooling water passage 34a, and one cold water passage 34a.
The Otsu N1 system, which consists of the water jacket 38a, etc., and the Essay 11 system, which consists of the auxiliary cooling II chamber 26b, the cooling water passage 3/lb, and the Reigetsu 1 water jacket 381) @, are installed separately, so the cooling water High temperature cold IJ from the jacket 38a
1 water W at the same temperature can rapidly flow into the main cooling chamber 26a by natural convection due to a large temperature difference, while cooling water W from the cooling water jacket 38b flows into the small capacity auxiliary cooling chamber 26b with a small temperature difference. It is possible to slowly flow into the auxiliary cooling chamber 26b by natural convection, and it is possible to perform effective cooling 7J1 according to the difference in the partial heat generation temperature 1 of the diesel engine.
したがって冷ｒＪｌ効率が向上し、ラジェータ２４の大
きさを必要最小限度にすることができる。Therefore, the cooling rJl efficiency is improved, and the size of the radiator 24 can be reduced to the minimum necessary size.
第１図は本発明を採用したディーゼルエンジンの要部縦
断面図、第２図は第１図のＩＩＩＩ断面図である。１０
・・・シリンダヘッド、１２・・・エンジンブロック、
１４・・・シリンダライナ、２／Ｉ・・・ラジェータ、
２６ ａ−・・主冷ｆＪＩ室、２６ ｂ−・・補助論Ｊ
ＪＩ室、３４ａ、３４ ｂ ・・・冷却水通路、３８ａ
、３８ ｂ ・・・冷却水ジャウッド
特許出願人 ヤンマーディーゼル株式会社゛−−１〜−
２，憤ｌ
第１図FIG. 1 is a longitudinal cross-sectional view of a main part of a diesel engine employing the present invention, and FIG. 2 is a cross-sectional view taken along line III in FIG. 1. 10
... cylinder head, 12 ... engine block,
14...Cylinder liner, 2/I...Radiator,
26 a-... Main cold fJI room, 26 b-... Auxiliary theory J
JI room, 34a, 34b...Cooling water passage, 38a
, 38 b...Cooling water Jawood patent applicant Yanmar Diesel Co., Ltd.゛--1~-
2, Indignation l Figure 1
Claims (1)
の上部にラジエータを設け、冷却水の温度差で低温に冷
却された冷却水をエンジンの下部に案内し、エンジンの
上部から高温になった冷却水をラジエータに流通させる
ようにした横形エンジンの冷却装置において、該冷却装
置をエンジンの高発熱部分を冷却する容量の大きな大冷
却系統と、低発熱部分を冷却する容量の小さな小冷却系
統とに２分割して形成し、両系統のラジエータ底部から
エンジン下部に冷却後の冷却水を個別に案内する冷却水
通路を設けたことを特徴とする横形エンジンの冷却装置
。The center line of the engine's cylinders is arranged horizontally, and a radiator is installed at the top of the engine, and the coolant cooled to a low temperature due to the temperature difference in the coolant is guided to the bottom of the engine, and the high temperature is cooled from the top of the engine. In a cooling system for a horizontal engine that allows water to flow through the radiator, the cooling system is divided into a large cooling system with a large capacity to cool the high heat generating parts of the engine, and a small cooling system with a small capacity to cool the low heat generating parts. 1. A cooling device for a horizontal engine, which is formed by being divided into two parts, and is provided with a cooling water passage for individually guiding cooling water from the bottom of the radiator of both systems to the lower part of the engine after cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20365485A JPS6263117A (en) | 1985-09-13 | 1985-09-13 | Cooling device for horizontal engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20365485A JPS6263117A (en) | 1985-09-13 | 1985-09-13 | Cooling device for horizontal engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6263117A true JPS6263117A (en) | 1987-03-19 |
Family
ID=16477632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20365485A Pending JPS6263117A (en) | 1985-09-13 | 1985-09-13 | Cooling device for horizontal engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6263117A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999054603A1 (en) * | 1998-04-22 | 1999-10-28 | Yaofu Jiang | Water tank for single cylinder evaporative cooling diesel |
| CN1063254C (en) * | 1996-09-22 | 2001-03-14 | 蒋尧夫 | Diesel engine radiator with detachable cover and lower part |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51116340A (en) * | 1973-04-03 | 1976-10-13 | Amiot F | Liquid cooled reciprocating engine |
| JPS6016873B2 (en) * | 1981-05-29 | 1985-04-27 | 株式会社日立製作所 | Weld presser of ERW pipe manufacturing equipment |
-
1985
- 1985-09-13 JP JP20365485A patent/JPS6263117A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51116340A (en) * | 1973-04-03 | 1976-10-13 | Amiot F | Liquid cooled reciprocating engine |
| JPS6016873B2 (en) * | 1981-05-29 | 1985-04-27 | 株式会社日立製作所 | Weld presser of ERW pipe manufacturing equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063254C (en) * | 1996-09-22 | 2001-03-14 | 蒋尧夫 | Diesel engine radiator with detachable cover and lower part |
| WO1999054603A1 (en) * | 1998-04-22 | 1999-10-28 | Yaofu Jiang | Water tank for single cylinder evaporative cooling diesel |
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