JPS642766B2 - - Google Patents
Info
- Publication number
- JPS642766B2 JPS642766B2 JP58011857A JP1185783A JPS642766B2 JP S642766 B2 JPS642766 B2 JP S642766B2 JP 58011857 A JP58011857 A JP 58011857A JP 1185783 A JP1185783 A JP 1185783A JP S642766 B2 JPS642766 B2 JP S642766B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- fresh water
- low
- water
- cooling
- 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
Links
- 239000013505 freshwater Substances 0.000 claims description 89
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 238000001816 cooling Methods 0.000 claims description 38
- 238000002485 combustion reaction Methods 0.000 claims description 9
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
- F02B29/0406—Layout of the intake air cooling or coolant circuit
- F02B29/0437—Liquid cooled heat exchangers
- F02B29/0443—Layout of the coolant or refrigerant circuit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/20—Cooling circuits not specific to a single part of engine or machine
- F01P3/207—Cooling circuits not specific to a single part of engine or machine liquid-to-liquid heat-exchanging relative to marine vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2060/00—Cooling circuits using auxiliaries
- F01P2060/02—Intercooler
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Ocean & Marine Engineering (AREA)
- Exhaust-Gas Circulating Devices (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
【発明の詳細な説明】
本発明は内燃機関のジヤケツトおよび給気冷却
装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a jacket and charge air cooling system for an internal combustion engine.
第１図は従来の内燃機関のジヤケツトおよび給
気冷却装置を示すものである。ここで１は内燃機
関であり、図外の過給機からの給気を冷却する給
気冷却器２が接続されている。機関１のジヤケツ
トからの冷却清水は、冷却清水ポンプ３に引かれ
て清水冷却器４に送られ、ここで冷却された後前
記ジヤケツトに循環される。５はエキスパンシヨ
ンタンクである。６は温度調節弁であり、機関１
のジヤケツトを出た後の冷却清水の温度を所要値
とするために、清水冷却器４へ入る前の高温の冷
却清水と清水冷却器４を出た後の低温の冷却清水
とを適量ずつ混合させている。 FIG. 1 shows a conventional internal combustion engine jacket and charge air cooling system. Here, 1 is an internal combustion engine, to which is connected a charge air cooler 2 that cools charge air from a supercharger (not shown). Cooling fresh water from the jacket of the engine 1 is drawn by a cooling fresh water pump 3 and sent to a fresh water cooler 4, where it is cooled and then circulated to the jacket. 5 is an expansion tank. 6 is a temperature control valve, and engine 1
In order to adjust the temperature of the cooled fresh water after exiting the jacket to the required value, appropriate amounts of high-temperature cooled water before entering the fresh water cooler 4 and low-temperature cooled water after leaving the fresh water cooler 4 are mixed in appropriate amounts. I'm letting you do it.
給気冷却器２からの冷却清水は、冷却清水ポン
プ７に引かれて清水冷却器８に送られ、ここで冷
却された後給気冷却器２に循環される。９はエキ
スパンシヨンタンクである。１０は清水冷却器８
に対応して設けられた温度調節弁であり、給気冷
却器２への冷却清水の温度を所要値とするため
に、清水冷却器８へ入る前の高温の冷却清水と清
水冷却器８を出た後の冷却清水とを適量ずつ混合
させている。一方１１は給気冷却器２に対応して
設けられた温度調節弁であり、機関１へ供給する
給気の温度を所要値とするために、給気冷却器２
へ送る冷却清水の量と給気冷却器２をバイパスさ
せる冷却清水の量とを適量ずつに調節させてい
る。 Cooling fresh water from the supply air cooler 2 is drawn by a cooling fresh water pump 7 and sent to a fresh water cooler 8, where it is cooled and then circulated to the supply air cooler 2. 9 is an expansion tank. 10 is fresh water cooler 8
This is a temperature control valve installed correspondingly to the high temperature cooled water before entering the fresh water cooler 8 and the fresh water cooler 8 in order to adjust the temperature of the cooled fresh water to the supply air cooler 2 to the required value. An appropriate amount of cooled fresh water is mixed with the water after it has been released. On the other hand, reference numeral 11 is a temperature control valve provided corresponding to the charge air cooler 2. In order to adjust the temperature of the supply air supplied to the engine 1 to a required value,
The amount of cooled fresh water sent to the supply air cooler 2 and the amount of cooled fresh water that bypasses the supply air cooler 2 are adjusted appropriately.
１２は清水冷却器４，８において冷却清水を冷
却するための冷却海水である。清水冷却器８が上
流側に、清水冷却器４が下流側に配置されてい
る。 12 is cooling seawater for cooling the cooling fresh water in the fresh water coolers 4 and 8. The fresh water cooler 8 is arranged on the upstream side, and the fresh water cooler 4 is arranged on the downstream side.
ところが、このような従来のものでは、給気冷
却器にかなり低温の冷却清水が送られることにな
るため、機関の低負荷時には、特に寒冷時に給気
が過冷却となるおそれがある。また、清水冷却
器、冷却清水ポンプおよびエキスパンシヨンタン
クが各々２台ずつ必要であり、その分構造が複雑
になりかつコストが高くなるという問題がある。 However, in such a conventional system, since fairly low-temperature cooling water is sent to the charge air cooler, there is a risk that the charge air may become supercooled when the engine is under low load, especially in cold weather. In addition, two fresh water coolers, two cooling fresh water pumps, and two expansion tanks are required, which complicates the structure and increases costs.
そこで本発明は、給気冷却器への冷却清水の温
度を高・低切換可能として機関の低負荷運転時に
おける給気の過冷却の防止を図るとともに、構造
の簡単化かつコスト低減化をも図ることを目的と
するものである。 Therefore, the present invention aims to prevent supercooling of the supply air during low-load operation of the engine by making it possible to switch the temperature of cooling fresh water to the supply air cooler between high and low, and also to simplify the structure and reduce costs. The purpose is to
この目的を達成するため本発明は、内燃機関の
ジヤケツトからの第１の高温冷却清水を冷却して
第１の低温冷却清水を生成させる清水冷却器を設
け、この清水冷却器からの前記第１の低温冷却清
水の一部を前記第１の高温冷却清水の一部と混合
させて、前記第１の高温冷却清水よりも低温の第
２の高温冷却清水を生成させ、これを前記ジヤケ
ツトへ送る高温水供給系を設け、前記第１の低温
冷却清水の他部を前記第１の高温冷却清水の他の
一部と混合させて、前記第２の高温冷却清水より
も低温の第２の低温冷却清水を生成させ、これを
給気冷却器へ送る低温水供給系を設け、この低温
水供給系の途中に第１の弁体を設け、前記高温水
供給系における第２の高温冷却清水の一部を、前
記第１の弁体よりも下流側の低温水供給系部分に
送る高温水分岐系を設け、この高温水分岐系の途
中に、前記第１の弁体と択一的に開状態となる第
２の弁体を設けたものである。 To achieve this object, the present invention provides a fresh water cooler for cooling a first high temperature cooling fresh water from a jacket of an internal combustion engine to produce a first low temperature cooling fresh water, A portion of the low-temperature cooled fresh water is mixed with a portion of the first high-temperature cooled fresh water to produce a second high-temperature cooled fresh water having a lower temperature than the first high-temperature cooled fresh water, which is sent to the jacket. A high-temperature water supply system is provided, and the other part of the first low-temperature cooled fresh water is mixed with another part of the first high-temperature cooled fresh water to produce a second low-temperature water that is lower than the second high-temperature cooled fresh water. A low-temperature water supply system that generates cooled fresh water and sends it to the supply air cooler is provided, a first valve body is provided in the middle of this low-temperature water supply system, and a second high-temperature cooled fresh water in the high-temperature water supply system is provided. A high-temperature water branch system is provided that sends a portion of the water to a low-temperature water supply system part downstream of the first valve body, and a high-temperature water branch system is provided in the middle of the high-temperature water branch system to selectively open the water to the first valve body. This is provided with a second valve body that is in the state.
したがつて、機関の低負荷時には高温系に切り
換えることにより寒冷時でも給気は過冷却され
ず、常に設定値に保つことができるため、
(a) 燃焼室内へのドレン持ち込みによるシリンダ
ライナ等の異常磨耗を防止できる。 Therefore, by switching to the high-temperature system when the engine is under low load, the supply air will not be overcooled even in cold weather and can always be maintained at the set value. Abnormal wear can be prevented.
(b) 低負荷時でも高負荷時とほぼ同じ条件で支障
なく粗悪油燃料を使用でき、低負荷運転時の機
関の信頼性の向上を図ることができる。(b) Low-quality oil fuel can be used without any problem under almost the same conditions as during high-load operation even during low-load operation, and the reliability of the engine during low-load operation can be improved.
(c) 排ガスエコノマイザを設置している機関で
は、排ガス温度は機関入口における給気温度に
ほぼ比例するため、低負荷運転時でも排ガスの
有効利用を図ることができる。(c) In engines equipped with exhaust gas economizers, the exhaust gas temperature is approximately proportional to the supply air temperature at the engine inlet, so exhaust gas can be used effectively even during low-load operation.
(d) 従来のものよりさらに低負荷率の運転が可能
となる。(d) Operation at an even lower load factor than conventional models is possible.
という効果を得ることができるのみならず、清水
冷却器、冷却清水ポンプおよびエキスパンシヨン
タンクの数を減少させることが可能となり、ライ
ンが簡単化されてコストダウンを図ることが可能
となる。Not only can this effect be obtained, but it also becomes possible to reduce the number of fresh water coolers, cooling fresh water pumps, and expansion tanks, simplifying the line and reducing costs.
以下、本発明の一実施例を第２図にもとづいて
説明する。ここで２１は内燃機関、２２は給気冷
却器である。機関２１のジヤケツトからの第１の
高温冷却清水は管路２３により清水冷却器２４に
送られ、冷却海水２５により冷却されて第１の低
温冷却清水とされ、高温水供給系２６と低温水供
給系２７とに分流される。 Hereinafter, one embodiment of the present invention will be described based on FIG. 2. Here, 21 is an internal combustion engine, and 22 is a charge air cooler. The first high-temperature cooling fresh water from the jacket of the engine 21 is sent to the fresh water cooler 24 through a pipe 23, where it is cooled by cooling seawater 25 to become the first low-temperature cooling fresh water, which is connected to the high-temperature water supply system 26 and the low-temperature water supply. It is divided into system 27.
高温水供給系２６において、２８は温度調節弁
であり、管路２３における機関２１のジヤケツト
を出た後の第１の高温冷却清水の温度を所要値と
するために、管路２３から分岐管２０にて分流さ
れた第１の高温冷却清水と清水冷却器２４からの
第１の低温冷却清水とを適量ずつ混合させ、第１
の高温冷却清水よりも低温の第２の高温冷却清水
を生成させて、管路３０へ供給している。管路３
０には、オリフイス３１と機関２１のジヤケツト
の手前における冷却清水ポンプ３２とがこの順に
接続され、第２の高温冷却清水を前記ジヤケツト
に供給可能となつている。冷却清水ポンプ３２は
機関駆動式あるいは電動機駆動式とし得る。３３
はエキスパンシヨンタンクである。 In the high temperature water supply system 26, 28 is a temperature control valve, which is connected to a branch pipe from the pipe 23 in order to maintain the temperature of the first high temperature cooled fresh water after leaving the jacket of the engine 21 in the pipe 23 to a required value. The first high-temperature cooled fresh water divided at 20 and the first low-temperature cooled fresh water from the fresh water cooler 24 are mixed in appropriate amounts, and the first
A second high-temperature cooled fresh water having a lower temperature than the high-temperature cooled fresh water is generated and supplied to the pipe line 30. Conduit 3
0, an orifice 31 and a cooling fresh water pump 32 in front of the jacket of the engine 21 are connected in this order, so that second high temperature cooling fresh water can be supplied to the jacket. Cooling fresh water pump 32 may be engine-driven or motor-driven. 33
is an expansion tank.
低温水供給系２７において、３４は温度調節弁
であり、管路２３から分岐管３５にて分流された
第１の高温冷却清水と清水冷却器２４からの第１
の低温冷却清水とを混合させ、管路３０における
第２の高温冷却清水よりも低温の第２の低温冷却
清水を生成させて、管路３６へ供給している。第
１の高温冷却清水と第１の低温冷却清水との混合
割合は、管路３６における第２の低温冷却清水の
温度を所要値とするために、適宜のものとされ
る。管路３６は給気冷却器２２に接続され、その
途中には第１の弁体３７が設けられている。 In the low-temperature water supply system 27, 34 is a temperature control valve, which supplies the first high-temperature cooled fresh water separated from the pipe line 23 through a branch pipe 35 and the first water from the fresh water cooler 24.
The low temperature cooled fresh water is mixed with the low temperature cooled fresh water to generate second low temperature cooled fresh water which is lower in temperature than the second high temperature cooled fresh water in the pipe line 30 and is supplied to the pipe line 36. The mixing ratio of the first high-temperature cooled fresh water and the first low-temperature cooled fresh water is set appropriately in order to set the temperature of the second low-temperature cooled water in the pipe 36 to a required value. The pipe line 36 is connected to the supply air cooler 22, and a first valve body 37 is provided in the middle thereof.
給気冷却器２２を冷却した後の第２の低温冷却
清水は、管路３８により温度調節弁３９に送ら
れ、オリフイス３１と冷却清水ポンプ３２との間
に送られる。すなわち、冷却清水ポンプ３２は、
高温水供給系２６と低温水供給系２７の両方に共
用されることになる。温度調節弁３９には管路３
６からの分岐管４０が接続され、第２の低温冷却
清水のうち、給気冷却器２２を通過する分と、給
気冷却器２２をバイパスして冷却清水ポンプ３２
へ直接送られる分とを適宜調節して、給気冷却器
２２から機関２１へ送られる給気の温度が所要値
になるようにされている。 The second low-temperature cooled fresh water after cooling the supply air cooler 22 is sent to the temperature control valve 39 through the pipe line 38, and then sent between the orifice 31 and the cooled fresh water pump 32. That is, the cooling fresh water pump 32 is
It is shared by both the high temperature water supply system 26 and the low temperature water supply system 27. The temperature control valve 39 has a pipe line 3.
A branch pipe 40 from 6 is connected, and a part of the second low-temperature cooled fresh water that passes through the supply air cooler 22 and a part that bypasses the supply air cooler 22 and are sent to the cooled fresh water pump 32
The temperature of the supply air sent from the supply air cooler 22 to the engine 21 is adjusted as appropriate so that the temperature of the supply air sent from the supply air cooler 22 to the engine 21 reaches a required value.
４１は高温水分岐系であり、オリフイス３１の
上流側と分岐管４０とを結ぶ管路４２とこの管路
４２の途中に設けられた第２の弁体４３とを有し
ている。第１の弁体３７と第２の弁体４３とは、
自動または手動により、択一的に開状態となるよ
うに構成されている。すなわち、両弁体３７，４
３のうち一方が開のときは他方が閉、反対に一方
が閉のときは他方が開となるようにされている。
なお、オリフイス３１は、第２の弁体４３から給
気冷却器２２へ至る側と機関２１のジヤケツト側
とのシステム抵抗を同一とするために設けられて
いる。 A high-temperature water branch system 41 includes a pipe 42 connecting the upstream side of the orifice 31 and the branch pipe 40, and a second valve body 43 provided in the middle of the pipe 42. The first valve body 37 and the second valve body 43 are
It is configured to be alternatively opened automatically or manually. That is, both valve bodies 37, 4
When one of the three is open, the other is closed, and conversely, when one is closed, the other is open.
The orifice 31 is provided to make the system resistance on the side from the second valve body 43 to the charge air cooler 22 and the jacket side of the engine 21 the same.
動作を説明する。機関２１の常用負荷運転時に
は、第１の弁体３７を開くとともに第２の弁体４
３を閉じる。すると、高温水供給系２６における
第２の高温冷却清水は、オリフイス３１を経て冷
却清水ポンプ３２に吸引され、機関２１のジヤケ
ツトに送られる。給気冷却器２２には、低温水供
給系２７における第２の低温冷却清水が第１の弁
体３７を経て供給され、給気を冷却後温度調節弁
３９を経て冷却清水ポンプ３２に吸引され、前記
第２の高温冷却清水と合流して機関２１のジヤケ
ツトに送られる。 Explain the operation. During normal load operation of the engine 21, the first valve body 37 is opened and the second valve body 4 is opened.
Close 3. Then, the second high-temperature cooling fresh water in the high-temperature water supply system 26 is sucked into the cooling fresh water pump 32 through the orifice 31 and sent to the jacket of the engine 21. The second low-temperature cooled fresh water in the low-temperature water supply system 27 is supplied to the supply air cooler 22 via the first valve body 37, and after cooling the supply air, it is sucked into the cooling fresh water pump 32 via the temperature control valve 39. , is combined with the second high-temperature cooling fresh water and sent to the jacket of the engine 21.
機関２１の低負荷運転時には、第１の弁体３７
を閉じるとともに第２の弁体４３を開く。する
と、高温水供給系２６における第２の高温冷却清
水は、オリフイス３１を経て冷却清水ポンプ３２
に吸引される分と、第２の弁体４３を経て分岐管
４０へ送られる分とに分流される。分岐管４０で
は、給気冷却器２２へ送られる分と温度調節弁３
９へ送られる分とにさらに分流される。したがつ
て、前述のように第２の高温冷却清水が第２の低
温冷却清水よりも高温であることから、機関２１
の低負荷運転時には、常用負荷運転時よりも高温
の冷却清水が給気冷却器２２に供給されることに
なり、給気の過冷却が防止される。特に、寒冷時
には給気を加熱することもあり得る。 During low load operation of the engine 21, the first valve body 37
is closed and the second valve body 43 is opened. Then, the second high-temperature cooled fresh water in the high-temperature water supply system 26 passes through the orifice 31 to the cooled fresh water pump 32.
The water is divided into a part that is sucked into the air and a part that is sent to the branch pipe 40 via the second valve body 43. In the branch pipe 40, the amount sent to the supply air cooler 22 and the temperature control valve 3 are
It is further divided into a portion sent to 9. Therefore, as described above, since the second high-temperature cooling fresh water is higher in temperature than the second low-temperature cooling fresh water, the engine 21
During low load operation, cooling fresh water at a higher temperature than during normal load operation is supplied to the supply air cooler 22, thereby preventing overcooling of the supply air. Particularly in cold weather, the supply air may be heated.
以上述べたように本発明によると、機関の低負
荷時には高温系に切り換えることにより寒冷時で
も給気は過冷却されず、常に設定値に保つことが
できるため、
(a) 燃焼室内へのドレン持ち込みによるシリンダ
ライナ等の異常磨耗を防止できる。 As described above, according to the present invention, by switching to the high temperature system when the engine load is low, the supply air is not overcooled even in cold weather and can always be maintained at the set value. (a) Drainage into the combustion chamber Abnormal wear of cylinder liners etc. due to carry-in can be prevented.
(b) 低負荷時でも高負荷時とほぼ同じ条件で支障
なく粗悪油燃料を使用でき、低負荷運転時の機
関の信頼性の向上を図ることができる。(b) Low-quality oil fuel can be used without any problem under almost the same conditions as during high-load operation even during low-load operation, and the reliability of the engine during low-load operation can be improved.
(c) 排ガスエコノマイザを設置している機関で
は、排ガス温度は機関入口における給気温度に
ほぼ比例するため、低負荷運転時でも排ガスの
有効利用を図ることができる。(c) In engines equipped with exhaust gas economizers, the exhaust gas temperature is approximately proportional to the supply air temperature at the engine inlet, so exhaust gas can be used effectively even during low-load operation.
(d) 従来のものよりさらに低負荷率の運転が可能
となる。(d) Operation at an even lower load factor than conventional models is possible.
という効果を得ることができるのみならず、清水
冷却器、冷却清水ポンプおよびエキスパンシヨン
タンクの数を減少させることが可能となり、ライ
ンが簡単化されてコストダウンを図ることが可能
となる。Not only can this effect be obtained, but it also becomes possible to reduce the number of fresh water coolers, cooling fresh water pumps, and expansion tanks, simplifying the line and reducing costs.
第１図は従来例を示す図、第２図は本発明の一
実施例を示す図である。
２１……内燃機関、２４……清水冷却器、２６
……高温水供給系、２７……低温水供給系、３７
……第１の弁体、４１……高温水分岐系、４３…
…第２の弁体。
FIG. 1 is a diagram showing a conventional example, and FIG. 2 is a diagram showing an embodiment of the present invention. 21...Internal combustion engine, 24...Fresh water cooler, 26
...High temperature water supply system, 27 ...Low temperature water supply system, 37
...First valve body, 41...High temperature water branch system, 43...
...Second valve body.
Claims (1)
清水を冷却して第１の低温冷却清水を生成させる
清水冷却器を設け、この清水冷却器からの前記第
１の低温冷却清水の一部を前記第１の高温冷却清
水の一部と混合させて、前記第１の高温冷却清水
よりも低温の第２の高温冷却清水を生成させ、こ
れを前記ジヤケツトへ送る高温水供給系を設け、
前記第１の低温冷却清水の他部を前記第１の高温
冷却清水の他の一部と混合させて、前記第２の高
温冷却清水よりも低温の第２の低温冷却清水を生
成させ、これを給気冷却器へ送る低温水供給系を
設け、この低温水供給系の途中に第１の弁体を設
け、前記高温水供給系における第２の高温冷却清
水の一部を、前記第１の弁体よりも下流側の低温
水供給系部分に送る高温水分岐系を設け、この高
温水分岐系の途中に、前記第１の弁体と択一的に
開状態となる第２の弁体を設けたことを特徴とす
る内燃機関のジヤケツトおよび給気冷却装置。1. A fresh water cooler is provided that cools the first high temperature cooling fresh water from the jacket of the internal combustion engine to produce the first low temperature cooling fresh water, and a part of the first low temperature cooling fresh water from the fresh water cooler is used to cool the first low temperature cooling fresh water. Providing a high temperature water supply system that mixes with a portion of the first high temperature cooled fresh water to generate second high temperature cooled fresh water that is lower in temperature than the first high temperature cooled fresh water and sends this to the jacket;
Mixing the other part of the first low-temperature cooled fresh water with another part of the first high-temperature cooled fresh water to generate a second low-temperature cooled fresh water that is lower in temperature than the second high-temperature cooled fresh water, and A low-temperature water supply system is provided to send the water to the supply air cooler, a first valve body is provided in the middle of the low-temperature water supply system, and a part of the second high-temperature cooled fresh water in the high-temperature water supply system is supplied to the first A high-temperature water branching system is provided to send to a low-temperature water supply system part downstream of the valve body, and a second valve is provided in the middle of the high-temperature water branching system to be in an open state alternatively to the first valve body. A jacket and charge air cooling device for an internal combustion engine, characterized in that the jacket and charge air cooling device are provided with a body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58011857A JPS59136514A (en) | 1983-01-26 | 1983-01-26 | Jacket and cooling device for new charge of internal- combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58011857A JPS59136514A (en) | 1983-01-26 | 1983-01-26 | Jacket and cooling device for new charge of internal- combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59136514A JPS59136514A (en) | 1984-08-06 |
| JPS642766B2 true JPS642766B2 (en) | 1989-01-18 |
Family
ID=11789392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58011857A Granted JPS59136514A (en) | 1983-01-26 | 1983-01-26 | Jacket and cooling device for new charge of internal- combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59136514A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010065612A (en) * | 2008-09-11 | 2010-03-25 | Mitsubishi Heavy Ind Ltd | Marine main engine cooling facility, cooling method and cooling system in ship |
-
1983
- 1983-01-26 JP JP58011857A patent/JPS59136514A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010065612A (en) * | 2008-09-11 | 2010-03-25 | Mitsubishi Heavy Ind Ltd | Marine main engine cooling facility, cooling method and cooling system in ship |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59136514A (en) | 1984-08-06 |
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