WO2014091056A1 - Cooling system and method for an internal combustion engine - Google Patents
Cooling system and method for an internal combustion engine Download PDFInfo
- Publication number
- WO2014091056A1 WO2014091056A1 PCT/FI2012/051222 FI2012051222W WO2014091056A1 WO 2014091056 A1 WO2014091056 A1 WO 2014091056A1 FI 2012051222 W FI2012051222 W FI 2012051222W WO 2014091056 A1 WO2014091056 A1 WO 2014091056A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cooling
- cooling circuit
- circuit
- heat exchanger
- high temperature
- Prior art date
Links
Classifications
-
- 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
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
- F01P7/165—Controlling of coolant flow the coolant being liquid by thermostatic control characterised by systems with two or more loops
-
- 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
- F01P2050/00—Applications
- F01P2050/02—Marine engines
- F01P2050/06—Marine engines using liquid-to-liquid heat exchangers
-
- 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
-
- 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
- F01P2060/04—Lubricant cooler
Definitions
- the present invention relates to a cooling system for an internal combustion engine in accordance with the preamble of claim 1 .
- the invention also con- cerns a method for cooling the cooling medium of a high temperature cooling circuit of an internal combustion engine according to the preamble of the other independent claim.
- a high temperature (HT) circuit is used for controlling the temperature of the cylinder liners and the cylinder heads.
- the HT circuit is also connected to the high temperature part of a double-stage charge air cooler.
- the LT circuit serves the low-temperature part of the charge air cooler and a lube oil cooler.
- Temperature in the HT circuit is, depending on the engine type, typically around 70-102 ⁇ and in the LT circuit 38-50 ⁇ .
- a relatively high temperature in the HT circuit is desirable for ensuring safe ignition and combustion of low-quality heavy fuels also at low loads, for minimizing temperature fluctuations in the components of the cylinders and for preventing corrosion that can be caused by excessive cooling.
- An object of the present invention is to provide an improved cooling system for an internal combustion engine.
- the characterizing features of the cooling system according to the invention are given in the characterizing part of claim 1 .
- Another object of the invention is to provide an improved method for reducing the temperature of the cooling medium of a high temperature cooling circuit of an internal combustion engine.
- the characterizing features of the method are given in the characterizing part of the other independent claim.
- the cooling system comprises a high temperature cooling circuit and a low temperature cooling circuit.
- the cooling system is provided with a heat exchanger for transferring heat from the high temperature cooling circuit to the low temperature cooling circuit.
- the cooling medium of a high temperature cooling circuit is conducted through a heat exchanger, in which heat exchanger heat is transferred from the cooling medium of the high temperature cooling circuit to the cooling medium of a low temperature cooling circuit.
- the temperature of the cooling medium in the high temperature cooling circuit can be kept within desired temperature limits without modifications of the external components of the cooling system.
- the cooling system can be easily applied to existing engines, which are upgraded with more effective turbocharging systems.
- both the cooling medium of the high temperature cooling circuit and the cooling medium of the low temperature cooling circuit can be arranged to flow through the heat exchanger.
- the heat exchanger is arranged in the low temperature cooling circuit and the high-temperature cooling circuit is provided with means for selectively conducting the cooling medium through the heat exchanger.
- the means for selectively conducting the cooling medium through the heat exchanger can comprise a selector valve, which allows bypassing of the heat exchanger.
- Fig. 1 shows schematically a cooling system of an internal combustion engine.
- FIG 1 is shown schematically a cooling system of an internal combustion engine 1 .
- the engine 1 is a large internal combustion engine, such as a main or an auxiliary engine of a ship or an engine that is used at a power plant for producing electricity.
- the cooling system of the engine 1 comprises two separate cooling circuits 2, 3. Both cooling circuits 2, 3 are closed circuits.
- One of the cooling circuits 2, 3 is a high temperature cooling circuit 2 and the other one is a low temperature cooling circuit 3, in which the temperature of the cooling medium is lower than in the high temperature cooling circuit 2.
- Temperature in the high temperature cooling circuit 2 is typically around 70-105 ⁇ and in the low temperature cooling circuit 35-55 ⁇ .
- Th e cooling medium in the cooling circuits 2, 3 can be, for instance, water.
- the cooling medium can also contain additives, for example for preventing corrosion.
- Each cooling medium circuit 2, 3 is provided with a pump 8, 9 for circulating the cooling medium.
- the cooling system is further provided with an external cooling circuit 13, where heat is transferred from the high temperature and the low temperature cooling circuits 2, 3 to the external cooling circuit 13.
- the external cooling circuit 13 is provided with a pump 12 for circulating the cooling medium in the circuit 13.
- the external cooling circuit 13 also comprises a low temperature heat exchanger 15 for transferring heat from the low temperature cooling circuit 3 to the external cooling circuit 13 and with a high temperature heat exchanger 16 for transferring heat from the high temperature cooling circuit 2 to the external cooling circuit 13.
- the high temperature heat exchanger 16 is arranged in the flow direction of the cooling medium of the external cooling circuit 13 after the low temperature heat exchanger 15.
- the external cooling circuit 13 may be either an open or a closed circuit.
- the external cooling circuit 13 may comprise one or more additional heat exchangers for transferring heat away from the cooling medium of the external cooling circuit 13.
- the cooling medium flows from the pump 8 to the engine 1 , where heat is transferred from the cylinder liners and the cylinder heads of the engine 1 to the cooling medium.
- the cooling medium of the high temperature cooling circuit 2 flows to a first charge air cooler 7.
- the first charge air cooler 7 is connected to a compressor 1 1 of a turbocharger 17. In the first charge air cooler 7, heat is transferred from the charge air to the cooling medium of the high temperature cooling circuit 2. If the engine 1 is provided with two-stage turbocharging, the first charge air cooler 7 could also be arranged between the two stages.
- the pressure in the high-temperature cooling circuit 2 is typically around 2.5 bar after the first charge air cooler 7.
- the cooling medium flows to the high temperature heat exchanger 16, where heat is transferred from the cooling medium of the high temperature cooling circuit 2 to the cooling medium of the external cooling circuit 13.
- the cooling medium of the high temperature cooling circuit 2 then returns to the pump 8 at a lower temperature.
- the pressure of the cooling medium is typically around 1 .5 bar at this stage.
- the cooling medium flows from the pump 9 to a second charge air cooler 10.
- the second charge air cooler 10 is arranged downstream from the first charge air cooler 7 in the flow direction of the charge air.
- heat is transferred from the charge air to the cooling medium of the low temperature cooling circuit 3.
- the pressure in the low-temperature cooling circuit 3 is typically around 2.5 bar after the second charge air cooler 10.
- From the second charge air cooler 10, the charge air is conducted into the intake manifold of the engine 1 .
- the cooling medium is conducted from the second charge air cooler 10 to a lube oil cooler 14, where heat is transferred from the lube oil of the engine 1 to the cooling medium of the low temperature cooling circuit 3.
- the low temperature cooling circuit 3 is also provided with a bypass valve 17 and a bypass duct 18.
- the bypass duct 18 is arranged parallel with the second charge air cooler 10.
- the bypass valve 17 can be used for allowing flow through the bypass duct 18 and thus bypassing of the second charge air cooler 10, when higher charge air temperature is needed.
- the cooling system is provided with a heat exchanger 4 for transferring heat from the cooling medium of the high temperature cooling circuit 2 to the cooling medium of the low temperature cooling circuit 3. Cooling medium of both the high temperature cooling circuit 2 and the low temperature cooling circuit 3 can be arranged to flow through the heat exchanger 4.
- the heat exchanger 4 is thus a liquid-liquid heat exchanger.
- the heat exchanger 4 is arranged in the low temperature cooling circuit 3, and the cooling medium of the high temperature cooling circuit 2 can be selectively conducted through the heat exchanger 4.
- the heat exchanger 4 is located in the low temperature cooling circuit 3 downstream from the lube oil cooler 14 and upstream from the low temperature heat exchanger 15.
- the high temperature cooling circuit 2 comprises means 5, 6 for selectively conducting cooling medium through the heat exchanger 4.
- the means 5, 6 comprise a selector valve 5 and a cooling duct 6 for conducting the cooling medium through the heat exchanger 4.
- the cooling duct 6 is connected to the selector valve 5 and to a point of the high temperature cooling circuit 2 downstream from the selector valve 5. Because of the selector valve 5, the heat exchanger 4 can be bypassed when there is no risk of excessive heating of the cooling medium of the high temperature cooling circuit 2.
- the selector valve 5 can be an automat- ic temperature controlled valve, which conducts the cooling medium to the heat exchanger 4 when the temperature of the cooling medium in the high temperature cooling circuit 2 exceeds a predetermined limit value.
- the temperature of the cooling medium in the high temperature cooling circuit 2 can be kept within the desired limits.
- the system is particularly beneficial when an existing engine 1 is upgraded with more effective turbochargers 7. Only minor changes are needed for upgrading the existing cooling system.
- the flow rates and duct sizes in the cooling circuits 2, 3, 13 do not have to be changed.
- the heat exchanger can be arranged in the high temperature cooling circuit and the cooling medium of the low temperature cooling circuit can be selectively arranged to flow through the heat exchanger.
- the cooling circuits can be arranged to cool also other objects than those shown in the embodiments.
- the objects to be cooled can also be ar- ranged in a different order.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- Supercharger (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The cooling system for an internal combustion engine (1) comprises a high temperature cooling circuit (2), a low temperature cooling circuit (3), and a heat ex- changer (4) for transferring heat from the high temperature cooling circuit (2) to the low temperature cooling circuit (3).
Description
Cooling system and method for an internal combustion engine Technical field of the invention
The present invention relates to a cooling system for an internal combustion engine in accordance with the preamble of claim 1 . The invention also con- cerns a method for cooling the cooling medium of a high temperature cooling circuit of an internal combustion engine according to the preamble of the other independent claim.
Background of the invention Large internal combustion engines, such as ship or power plant engines, are often provided with two separate cooling circuits, namely a high temperature (HT) circuit and a low temperature (LT) circuit. The HT circuit is used for controlling the temperature of the cylinder liners and the cylinder heads. The HT circuit is also connected to the high temperature part of a double-stage charge air cooler. The LT circuit serves the low-temperature part of the charge air cooler and a lube oil cooler. Temperature in the HT circuit is, depending on the engine type, typically around 70-102 Ό and in the LT circuit 38-50 Ό. A relatively high temperature in the HT circuit is desirable for ensuring safe ignition and combustion of low-quality heavy fuels also at low loads, for minimizing temperature fluctuations in the components of the cylinders and for preventing corrosion that can be caused by excessive cooling.
Especially in modern 4-stroke engines, increased performance has been achieved largely because of more efficient and more powerful turbochargers. The high charge air pressures lead to high charge air temperatures before the charge air coolers. A direct result of this is that the temperature of the cooling medium in the HT circuit increases. If the temperature of the cooling medium rises above 100 Ό, there is a risk of boiling of t he cooling medium in the low pressure parts of the HT circuit. The increased temperature of the cooling medium in the HT circuit is a problem especially in engines, which have been up- graded by more effective turbochargers. The temperature of the cooling medium could be lowered by increasing the flow rate in the HT circuit, but this is
usually not economical and in many cases not even possible because of the dimensioning of the components of the cooling system.
Summary of the invention An object of the present invention is to provide an improved cooling system for an internal combustion engine. The characterizing features of the cooling system according to the invention are given in the characterizing part of claim 1 . Another object of the invention is to provide an improved method for reducing the temperature of the cooling medium of a high temperature cooling circuit of an internal combustion engine. The characterizing features of the method are given in the characterizing part of the other independent claim.
The cooling system according to the invention comprises a high temperature cooling circuit and a low temperature cooling circuit. The cooling system is provided with a heat exchanger for transferring heat from the high temperature cooling circuit to the low temperature cooling circuit.
In the method according to the invention, the cooling medium of a high temperature cooling circuit is conducted through a heat exchanger, in which heat exchanger heat is transferred from the cooling medium of the high temperature cooling circuit to the cooling medium of a low temperature cooling circuit. With the cooling system and cooling method the temperature of the cooling medium in the high temperature cooling circuit can be kept within desired temperature limits without modifications of the external components of the cooling system. The cooling system can be easily applied to existing engines, which are upgraded with more effective turbocharging systems. According to an embodiment of the invention, both the cooling medium of the high temperature cooling circuit and the cooling medium of the low temperature cooling circuit can be arranged to flow through the heat exchanger. According to another embodiment of the invention, the heat exchanger is arranged in the low temperature cooling circuit and the high-temperature cooling circuit is provided with means for selectively conducting the cooling medium through the heat exchanger. The means for selectively conducting the cooling
medium through the heat exchanger can comprise a selector valve, which allows bypassing of the heat exchanger.
Brief description of the drawings Embodiments of the invention are described below in more detail with reference to the accompanying drawing, in which
Fig. 1 shows schematically a cooling system of an internal combustion engine.
Description of embodiments of the invention In figure 1 is shown schematically a cooling system of an internal combustion engine 1 . The engine 1 is a large internal combustion engine, such as a main or an auxiliary engine of a ship or an engine that is used at a power plant for producing electricity. The cooling system of the engine 1 comprises two separate cooling circuits 2, 3. Both cooling circuits 2, 3 are closed circuits. One of the cooling circuits 2, 3 is a high temperature cooling circuit 2 and the other one is a low temperature cooling circuit 3, in which the temperature of the cooling medium is lower than in the high temperature cooling circuit 2. Temperature in the high temperature cooling circuit 2 is typically around 70-105 Ό and in the low temperature cooling circuit 35-55 Ό. Th e cooling medium in the cooling circuits 2, 3 can be, for instance, water. The cooling medium can also contain additives, for example for preventing corrosion. Each cooling medium circuit 2, 3 is provided with a pump 8, 9 for circulating the cooling medium. In the embodiment of the figure, the cooling system is further provided with an external cooling circuit 13, where heat is transferred from the high temperature and the low temperature cooling circuits 2, 3 to the external cooling circuit 13. However, it would also be possible to provide the high temperature and the low temperature cooling circuits 2, 3 with heat exchangers, where heat is transferred to cooling air or water, in which case the external cooling circuit 13 may not be needed. The external cooling circuit 13 is provided with a pump 12 for circulating the cooling medium in the circuit 13. The external cooling circuit 13 also comprises a low temperature heat exchanger 15 for transferring heat from the low temperature cooling circuit 3 to the external cooling circuit 13 and with
a high temperature heat exchanger 16 for transferring heat from the high temperature cooling circuit 2 to the external cooling circuit 13. The high temperature heat exchanger 16 is arranged in the flow direction of the cooling medium of the external cooling circuit 13 after the low temperature heat exchanger 15. The external cooling circuit 13 may be either an open or a closed circuit. The external cooling circuit 13 may comprise one or more additional heat exchangers for transferring heat away from the cooling medium of the external cooling circuit 13.
In the high temperature cooling circuit 2, the cooling medium flows from the pump 8 to the engine 1 , where heat is transferred from the cylinder liners and the cylinder heads of the engine 1 to the cooling medium. From the engine 1 , the cooling medium of the high temperature cooling circuit 2 flows to a first charge air cooler 7. The first charge air cooler 7 is connected to a compressor 1 1 of a turbocharger 17. In the first charge air cooler 7, heat is transferred from the charge air to the cooling medium of the high temperature cooling circuit 2. If the engine 1 is provided with two-stage turbocharging, the first charge air cooler 7 could also be arranged between the two stages. The pressure in the high-temperature cooling circuit 2 is typically around 2.5 bar after the first charge air cooler 7. From the first charge air cooler 7, the cooling medium flows to the high temperature heat exchanger 16, where heat is transferred from the cooling medium of the high temperature cooling circuit 2 to the cooling medium of the external cooling circuit 13. The cooling medium of the high temperature cooling circuit 2 then returns to the pump 8 at a lower temperature. The pressure of the cooling medium is typically around 1 .5 bar at this stage.
In the low temperature cooling circuit 3, the cooling medium flows from the pump 9 to a second charge air cooler 10. The second charge air cooler 10 is arranged downstream from the first charge air cooler 7 in the flow direction of the charge air. In the second charge air cooler 10, heat is transferred from the charge air to the cooling medium of the low temperature cooling circuit 3. The pressure in the low-temperature cooling circuit 3 is typically around 2.5 bar after the second charge air cooler 10. From the second charge air cooler 10, the charge air is conducted into the intake manifold of the engine 1 . The cooling medium is conducted from the second charge air cooler 10 to a lube oil cooler 14, where heat is transferred from the lube oil of the engine 1 to the cooling medium of the low temperature cooling circuit 3. From the lube oil cooler 14,
the cooling medium flows to the low temperature heat exchanger 15, where heat is transferred from the cooling medium of the low temperature cooling circuit 3 to the external cooling circuit 13. The pressure of the cooling medium in the low temperature cooling circuit 3 is typically around 1 .5 bar at this stage. The low temperature cooling circuit 3 is also provided with a bypass valve 17 and a bypass duct 18. The bypass duct 18 is arranged parallel with the second charge air cooler 10. The bypass valve 17 can be used for allowing flow through the bypass duct 18 and thus bypassing of the second charge air cooler 10, when higher charge air temperature is needed. For preventing excessive heating of the cooling medium in the high temperature cooling circuit 2, the cooling system is provided with a heat exchanger 4 for transferring heat from the cooling medium of the high temperature cooling circuit 2 to the cooling medium of the low temperature cooling circuit 3. Cooling medium of both the high temperature cooling circuit 2 and the low temperature cooling circuit 3 can be arranged to flow through the heat exchanger 4. The heat exchanger 4 is thus a liquid-liquid heat exchanger. In the embodiment of the figure, the heat exchanger 4 is arranged in the low temperature cooling circuit 3, and the cooling medium of the high temperature cooling circuit 2 can be selectively conducted through the heat exchanger 4. The heat exchanger 4 is located in the low temperature cooling circuit 3 downstream from the lube oil cooler 14 and upstream from the low temperature heat exchanger 15. The high temperature cooling circuit 2 comprises means 5, 6 for selectively conducting cooling medium through the heat exchanger 4. The means 5, 6 comprise a selector valve 5 and a cooling duct 6 for conducting the cooling medium through the heat exchanger 4. The cooling duct 6 is connected to the selector valve 5 and to a point of the high temperature cooling circuit 2 downstream from the selector valve 5. Because of the selector valve 5, the heat exchanger 4 can be bypassed when there is no risk of excessive heating of the cooling medium of the high temperature cooling circuit 2. The selector valve 5 can be an automat- ic temperature controlled valve, which conducts the cooling medium to the heat exchanger 4 when the temperature of the cooling medium in the high temperature cooling circuit 2 exceeds a predetermined limit value.
With the cooling system according to the invention, the temperature of the cooling medium in the high temperature cooling circuit 2 can be kept within the desired limits. The system is particularly beneficial when an existing engine 1 is upgraded with more effective turbochargers 7. Only minor changes are
needed for upgrading the existing cooling system. The flow rates and duct sizes in the cooling circuits 2, 3, 13 do not have to be changed.
It will be appreciated by a person skilled in the art that the invention is not limited to the embodiments described above, but may vary within the scope of the appended claims. For instance, the heat exchanger can be arranged in the high temperature cooling circuit and the cooling medium of the low temperature cooling circuit can be selectively arranged to flow through the heat exchanger. The cooling circuits can be arranged to cool also other objects than those shown in the embodiments. The objects to be cooled can also be ar- ranged in a different order.
Claims
1 . A cooling system for an internal combustion engine (1 ), the cooling system comprising a high temperature cooling circuit (2) and a low temperature cooling circuit (3), characterized in that the cooling system is provided with a heat exchanger (4) for transferring heat from the high temperature cooling circuit (2) to the low temperature cooling circuit (3).
2. A cooling system according to claim 1 , characterized in that both the cooling medium of the high temperature cooling circuit (2) and the cooling medium of the low temperature cooling circuit (3) can be arranged to flow through the heat exchanger (4).
3. A cooling system according to claim 1 , characterized in that the heat exchanger (4) is arranged in the low temperature cooling circuit (3) and the high- temperature cooling circuit (2) is provided with means (5, 6) for selectively conducting the cooling medium through the heat exchanger (4).
4. A cooling system according to claim 3, characterized in that the high temperature cooling circuit (2) is provided with a selector valve (5), which can be used for selectively conducting the cooling medium into the heat exchanger (4) or for bypassing the heat exchanger (4).
5. A cooling system according to claim 4, characterized in that the selector valve (5) is arranged downstream from a charge air cooler (7), through which the cooling medium of the high temperature cooling circuit (2) is arranged to flow.
6. A cooling system according to any of claims 3-5, characterized in that the heat exchanger (4) is arranged in the low temperature cooling circuit (3) downstream from a lube oil cooler (14).
7. A method for reducing the temperature of the cooling medium of a high temperature cooling circuit (2) of an internal combustion engine (1 ), characterized in that the cooling medium of the high temperature cooling circuit (2) is conducted through a heat exchanger (4), in which heat exchanger (4) heat is transferred from the cooling medium of the high temperature cooling circuit (2) to the cooling medium of a low temperature cooling circuit (3).
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/FI2012/051222 WO2014091056A1 (en) | 2012-12-10 | 2012-12-10 | Cooling system and method for an internal combustion engine |
CN201280077040.5A CN104797793A (en) | 2012-12-10 | 2012-12-10 | Cooling system and method for an internal combustion engine |
EP12816315.1A EP2929159B1 (en) | 2012-12-10 | 2012-12-10 | Cooling system and method for an internal combustion engine |
KR1020157018189A KR101946683B1 (en) | 2012-12-10 | 2012-12-10 | Cooling system and method for an internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/FI2012/051222 WO2014091056A1 (en) | 2012-12-10 | 2012-12-10 | Cooling system and method for an internal combustion engine |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014091056A1 true WO2014091056A1 (en) | 2014-06-19 |
Family
ID=47563529
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FI2012/051222 WO2014091056A1 (en) | 2012-12-10 | 2012-12-10 | Cooling system and method for an internal combustion engine |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2929159B1 (en) |
KR (1) | KR101946683B1 (en) |
CN (1) | CN104797793A (en) |
WO (1) | WO2014091056A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10150552B2 (en) | 2016-02-15 | 2018-12-11 | Southern Towing Company, LLC | Forced flow water circulation cooling for barges |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015111407A1 (en) * | 2015-07-14 | 2017-01-19 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Cooling system for a vehicle |
CN106150658A (en) * | 2016-08-29 | 2016-11-23 | 中车大连机车车辆有限公司 | Cooling control method in diesel engine of diesel locomotive cooling water system separate type |
CN107044332B (en) * | 2016-12-26 | 2019-09-27 | 潍柴动力股份有限公司 | A kind of cooling system and method for engine |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1679480A1 (en) * | 2004-12-22 | 2006-07-12 | Denso Corporation | Thermoelectric generator |
US7264520B1 (en) * | 2006-10-24 | 2007-09-04 | Brunswick Corporation | Cooling system for an outboard motor having both open and closed loop portions |
US20100126692A1 (en) * | 2008-11-21 | 2010-05-27 | Hyundai Motor Company | Integrated hybrid heat exchanger with multi-sectional structure |
DE102011116423A1 (en) * | 2011-10-19 | 2012-05-03 | Daimler Ag | Device for indirect thermal coupling of two cooling circuits in internal combustion engine of vehicle, has heat exchangers thermally coupled with refrigerant cycle, and expansion valves parallelly interconnected with each other |
DE102011118898A1 (en) * | 2011-11-18 | 2012-06-06 | Daimler Ag | Device for thermal coupling of two cooling circuits in vehicle, has cooling circuits that are formed as high-temperature circuit and low-temperature circuit and are couple by mixing valve in thermal and fluidic manner |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090078220A1 (en) * | 2007-09-25 | 2009-03-26 | Ford Global Technologies, Llc | Cooling System with Isolated Cooling Circuits |
US7717069B2 (en) * | 2007-11-15 | 2010-05-18 | Caterpillar Inc. | Engine cooling system having two cooling circuits |
AT507096B1 (en) * | 2008-12-10 | 2010-02-15 | Man Nutzfahrzeuge Oesterreich | DRIVE UNIT WITH COOLING CIRCUIT AND SEPARATE HEAT RECOVERY CIRCUIT |
FI20086256A (en) * | 2008-12-31 | 2010-07-01 | Waertsilae Finland Oy | Reciprocating Engine |
-
2012
- 2012-12-10 KR KR1020157018189A patent/KR101946683B1/en active IP Right Grant
- 2012-12-10 WO PCT/FI2012/051222 patent/WO2014091056A1/en active Application Filing
- 2012-12-10 EP EP12816315.1A patent/EP2929159B1/en active Active
- 2012-12-10 CN CN201280077040.5A patent/CN104797793A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1679480A1 (en) * | 2004-12-22 | 2006-07-12 | Denso Corporation | Thermoelectric generator |
US7264520B1 (en) * | 2006-10-24 | 2007-09-04 | Brunswick Corporation | Cooling system for an outboard motor having both open and closed loop portions |
US20100126692A1 (en) * | 2008-11-21 | 2010-05-27 | Hyundai Motor Company | Integrated hybrid heat exchanger with multi-sectional structure |
DE102011116423A1 (en) * | 2011-10-19 | 2012-05-03 | Daimler Ag | Device for indirect thermal coupling of two cooling circuits in internal combustion engine of vehicle, has heat exchangers thermally coupled with refrigerant cycle, and expansion valves parallelly interconnected with each other |
DE102011118898A1 (en) * | 2011-11-18 | 2012-06-06 | Daimler Ag | Device for thermal coupling of two cooling circuits in vehicle, has cooling circuits that are formed as high-temperature circuit and low-temperature circuit and are couple by mixing valve in thermal and fluidic manner |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10150552B2 (en) | 2016-02-15 | 2018-12-11 | Southern Towing Company, LLC | Forced flow water circulation cooling for barges |
Also Published As
Publication number | Publication date |
---|---|
EP2929159B1 (en) | 2018-03-21 |
KR20150092302A (en) | 2015-08-12 |
EP2929159A1 (en) | 2015-10-14 |
CN104797793A (en) | 2015-07-22 |
KR101946683B1 (en) | 2019-04-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
RU2349768C1 (en) | System and method for internal combustion engine cooling | |
RU2589556C2 (en) | Engine system and method of reducing production cost thereof | |
US8584458B2 (en) | Exhaust power turbine driven EGR pump for diesel engines | |
US9303549B2 (en) | Engine cooling system and method for an engine | |
CN105626222B (en) | Cooling system for a vehicle, in particular for a commercial vehicle | |
EA019697B1 (en) | System for cooling an engine | |
EP2929159B1 (en) | Cooling system and method for an internal combustion engine | |
CN105201626A (en) | Cooling system for engine | |
US9896986B2 (en) | Method and apparatus for operating an internal combustion engine | |
EP3066313B1 (en) | Method for operating an internal combustion engine | |
CN109209601B (en) | Cooling system and method for marine diesel engine | |
JP2016050545A (en) | Cooling system for vehicle | |
CN211598812U (en) | Cooling system | |
WO2012035202A1 (en) | Cooling system for internal combustion engine | |
US10989106B2 (en) | Oil pressure regulator | |
US20150219005A1 (en) | Method of improving charge air condition in air-cooled charge air coolers | |
CN217681971U (en) | Air-air intercooler, engine system and automobile | |
EP4155518A1 (en) | Multi-core heat recovery charge cooler | |
AU2016266104B2 (en) | Oil Pressure Regulator | |
WO2019233813A3 (en) | Cooling system of an internal combustion engine | |
CN116006363A (en) | Air inlet heat exchange system of ammonia internal combustion engine and operation method | |
JP2013064339A (en) | Egr gas cooling system | |
CN115523016A (en) | Marine diesel engine double-circulation cooling system and control strategy thereof | |
WO2012125156A1 (en) | Heat recovery turbine with multiple heat sources | |
WO2012102700A1 (en) | Rankine cycle expander bypass and orifice and method controlling same |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 12816315 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2012816315 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 20157018189 Country of ref document: KR Kind code of ref document: A |