WO2015177930A1 - 内燃機関の冷却回路 - Google Patents
内燃機関の冷却回路 Download PDFInfo
- Publication number
- WO2015177930A1 WO2015177930A1 PCT/JP2014/063729 JP2014063729W WO2015177930A1 WO 2015177930 A1 WO2015177930 A1 WO 2015177930A1 JP 2014063729 W JP2014063729 W JP 2014063729W WO 2015177930 A1 WO2015177930 A1 WO 2015177930A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- internal combustion
- combustion engine
- circulation circuit
- coolant
- waste heat
- Prior art date
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 98
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 93
- 239000002918 waste heat Substances 0.000 claims abstract description 110
- 238000011084 recovery Methods 0.000 claims abstract description 109
- 238000005086 pumping Methods 0.000 claims abstract description 29
- 239000007789 gas Substances 0.000 claims abstract description 19
- 239000000110 cooling liquid Substances 0.000 claims abstract description 14
- 239000002826 coolant Substances 0.000 claims description 112
- 238000011144 upstream manufacturing Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 10
- 239000010687 lubricating oil Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000003921 oil Substances 0.000 description 28
- 238000010586 diagram Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 6
- 238000009835 boiling Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Images
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
- F01P3/02—Arrangements for cooling cylinders or cylinder heads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
- F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
-
- 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
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/14—Indicating devices; Other safety devices
- F01P11/20—Indicating devices; Other safety devices concerning atmospheric freezing conditions, e.g. automatically draining or heating during frosty weather
-
- 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
- F02B29/0412—Multiple heat exchangers arranged in parallel or in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
-
- 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
- F01P2060/16—Outlet manifold
-
- 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
- F01P2060/18—Heater
-
- 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
-
- 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
- F01P7/167—Controlling of coolant flow the coolant being liquid by thermostatic control by adjusting the pre-set temperature according to engine parameters, e.g. engine load, engine speed
-
- 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
Definitions
- the present invention relates to a cooling circuit for an internal combustion engine.
- JP 2007-218115A discloses a water-cooled engine in which a coolant is circulated intermittently during warm-up.
- An internal combustion engine comprising a circulation circuit including a pumping unit that pumps cooling liquid, a valve unit in which a plurality of heat exchangers are connected in parallel, and a waste heat recovery unit that recovers heat from the exhaust gas of the internal combustion engine using a cooling liquid.
- a circulation circuit including a pumping unit that pumps cooling liquid, a valve unit in which a plurality of heat exchangers are connected in parallel, and a waste heat recovery unit that recovers heat from the exhaust gas of the internal combustion engine using a cooling liquid.
- the flow of the coolant in the waste heat recovery device can be stopped at the valve portion.
- the coolant is excessively heated in the waste heat recovery device while the coolant flow is stopped as described above, resulting in boiling of the coolant.
- bubbles are generated in the coolant.
- produced may cause the pumping defect of a pumping part.
- the present invention has been made in view of the above, and provides a cooling circuit for an internal combustion engine that can prevent occurrence of poor pumping in a pumping section due to bubbles generated in a waste heat recovery unit. Objective.
- An internal combustion engine cooling circuit includes an internal combustion engine, a pumping unit that pumps a coolant that cools the internal combustion engine, a valve unit in which a plurality of heat exchangers are connected in parallel, and the internal combustion engine
- a waste heat recovery unit that recovers heat from the exhaust gas with a coolant
- a first circulation circuit that includes the pumping unit, the valve unit, and the waste heat recovery unit
- a second circuit that includes the pumping unit and the waste heat recovery unit.
- FIG. 1 is a schematic configuration diagram of a cooling circuit for an internal combustion engine according to the first embodiment.
- FIG. 2 is a view showing a waste heat recovery device.
- FIG. 3 is a view showing a multi-control valve.
- FIG. 4 is a view showing a comparative example of the cooling circuit of the internal combustion engine.
- FIG. 5 is a schematic configuration diagram of a cooling circuit for an internal combustion engine according to the second embodiment.
- FIG. 6 is a schematic configuration diagram of a cooling circuit for an internal combustion engine according to the third embodiment.
- FIG. 7 is a schematic configuration diagram of a cooling circuit for an internal combustion engine according to the fourth embodiment.
- FIG. 8 is a schematic configuration diagram of a cooling circuit for an internal combustion engine according to the fifth embodiment.
- FIG. 9 is a view showing a modification of the multi-control valve.
- FIG. 10 is a view showing a modification of the waste heat recovery unit.
- FIG. 1 is a schematic configuration diagram of a cooling circuit 1 for an internal combustion engine according to the first embodiment.
- the cooling circuit 1 includes a pump 2, an internal combustion engine 3, an EGR valve 4, a multi-control valve 5, a waste heat recovery device (EHRS) 6, a heater core 7, an EGR cooler 8, an oil cooler 9, and a radiator. 10, an orifice 11, and a connection passage 20.
- the arrows along the connection passage 20 indicate the flow of the coolant that cools the internal combustion engine 3.
- the cooling circuit 1 circulates the coolant. An antifreeze can be applied to the cooling liquid.
- the pump 2 pumps the coolant.
- a mechanical pump driven by the power of the internal combustion engine 3 can be applied to the pump 2.
- the pump 2 includes a coolant inflow portion 21.
- the coolant inflow portion 21 is provided in the housing of the pump 2. In FIG. 1, for convenience of explanation, the coolant inflow portion 21 is shown at a position away from the pump 2.
- the coolant inflow part 21 may not be a part of the pump 2.
- the internal combustion engine 3 is a water-cooled internal combustion engine that is cooled by a coolant.
- the internal combustion engine 3 is provided with a cooling passage through which the coolant flows.
- the EGR valve 4 adjusts the flow rate of exhaust gas recirculated from the exhaust system of the internal combustion engine 3 to the intake system, that is, the flow rate of EGR gas.
- the orifice 11 constitutes a throttle portion that restricts the flow rate of the circulating coolant.
- the multi-control valve 5 changes the circulation state of the coolant in each of the plurality of heat exchangers.
- the multi-control valve is referred to as MCV.
- a heater core 7, an oil cooler 9, and a radiator 10 are connected in parallel to the MCV 5 as a plurality of heat exchangers.
- the heater core 7 is connected to the MCV 5 through the waste heat recovery unit 6. In this way, each of the plurality of heat exchangers to which the MCV 5 is connected in parallel may be connected to the MCV 5 via another configuration.
- the waste heat recovery unit 6 recovers heat from the exhaust gas of the internal combustion engine 3 with a coolant. For this reason, the waste heat recovery device 6 recovers the waste heat of the internal combustion engine 3 by exchanging heat between the exhaust gas of the internal combustion engine 3 and the coolant.
- the waste heat recovery unit 6 is provided in the exhaust passage of the internal combustion engine 3.
- the heater core 7 heats the air used for heating the passenger compartment of the vehicle on which the internal combustion engine 3 is mounted by radiating heat from the coolant.
- the heater core 7 heats the air by exchanging heat between the air and the coolant.
- the EGR cooler 8 cools the EGR gas by exchanging heat between the coolant and the EGR gas.
- the EGR cooler 8 is provided in the exhaust gas recirculation passage of the internal combustion engine 3 together with the EGR valve 4.
- the oil cooler 9 cools the lubricating oil of the transmission that changes the output rotation of the internal combustion engine 3 by radiating heat to the coolant.
- the oil cooler 9 cools the lubricating oil by exchanging heat between the lubricating oil and the coolant.
- a continuously variable transmission can be applied to the transmission.
- the transmission may be an automatic transmission or a manual transmission.
- the radiator 10 dissipates the coolant. Specifically, the radiator 10 radiates the cooling liquid by exchanging heat between the air sent as air blow or running wind and the cooling liquid.
- the connection passage 20 forms a circulation circuit C11 and a circulation circuit C12.
- the circulation circuit C11 is a circulation circuit including the pump 2, the MCV 5, and the waste heat recovery device 6.
- the circulation circuit C ⁇ b> 12 is a circulation circuit including the pump 2 and the waste heat recovery device 6.
- the circulation circuit C11 circulates the coolant through the pump 2, the internal combustion engine 3, the MCV 5, the waste heat recovery unit 6, the heater core 7 and the EGR cooler 8 in this order.
- the MCV 5 is arranged upstream of the waste heat recovery unit 6 in the circulation circuit C11. Specifically, the MCV 5 is disposed between the internal combustion engine 3 and the waste heat recovery unit 6.
- the heater core 7 is disposed downstream of the waste heat recovery unit 6 in the circulation circuit C11. Specifically, the heater core 7 is disposed between the waste heat recovery device 6 and the coolant inflow portion 21.
- the circulation circuit C12 circulates the coolant through the pump 2, the internal combustion engine 3, the orifice 11, the waste heat recovery device 6, the heater core 7 and the EGR cooler 8 in this order.
- the circulation circuit C12 circulates the coolant while the pump 2 is pumping the coolant. Therefore, the circulation circuit C12 causes the coolant to flow through the waste heat recovery unit 6 while the pump 2 is pumping the coolant.
- Circulation circuit C12 merges with the circulation circuit C11 upstream of the waste heat recovery unit 6. Specifically, the circulation circuit C12 joins the circulation circuit C11 between the MCV 5 and the waste heat recovery unit 6.
- the circulation circuit C12 branches from the circulation circuit C11 upstream of the MCV5. Specifically, the circulation circuit C12 branches from the circulation circuit C11 between the pump 2 and the MCV 5. More specifically, the circulation circuit C12 branches from the circulation circuit C11 between the internal combustion engine 3 and the MCV 5.
- the orifice 11 makes the flow rate of the coolant flowing through the waste heat recovery device 6 via the circulation circuit C12 smaller than the flow rate of the coolant flowing through the waste heat recovery device 6 via the circulation circuit C11.
- the orifice 11 is provided in a portion of the circulation circuit C12 that is not common with the circulation circuit C11.
- the connection passage 20 further forms a circulation circuit C13, a circulation circuit C14, and a circulation circuit C15.
- the circulation circuit C13 is a circulation circuit including the pump 2 and the EGR valve 4.
- the circulation circuit C ⁇ b> 14 is a circulation circuit including the pump 2 and the oil cooler 9.
- the circulation circuit C15 is a circulation circuit including the pump 2 and the radiator 10.
- the circulation circuit C13 circulates the coolant through the pump 2, the internal combustion engine 3, the EGR valve 4 and the EGR cooler 8 in this order.
- the circulation circuit C14 circulates the coolant through the pump 2, the internal combustion engine 3, the MCV 5, and the oil cooler 9 in this order.
- the circulation circuit C15 circulates the coolant through the pump 2, the internal combustion engine 3, the MCV 5, and the radiator 10 in this order.
- the circulation circuit C ⁇ b> 11, the circulation circuit C ⁇ b> 14, and the circulation circuit C ⁇ b> 15 branch from each other at the MCV 5 and merge with each other at the coolant inflow portion 21.
- FIG. 2 is a diagram showing the waste heat recovery unit 6.
- the waste heat recovery unit 6 includes a heat exchange unit 61 that performs heat exchange between the exhaust gas and the coolant.
- the heat exchange unit 61 is provided in the waste heat recovery unit 6. Exhaust gas and coolant flow through the heat exchanging portion 61 as indicated by arrows.
- the waste heat recovery unit 6 is configured as a bypassless type waste heat recovery unit that circulates inflowing exhaust gas via the heat exchange unit 61.
- the circulation circuit C12 has the circulation circuit C11 and the heat exchange unit 61 in common.
- FIG. 3 is a diagram showing MCV5.
- the MCV 5 is a rotary valve, and includes a plurality of openings 51, an opening 52, an opening 53 and an opening 54, a rotary valve body 55, a casing 56, a bypass passage 57, and a pressure relief valve 58. And comprising.
- the opening 51 is connected to the internal combustion engine 3.
- the opening 52 is connected to the heater core 7, the opening 53 is connected to the oil cooler 9, and the opening 54 is connected to the radiator 10.
- the opening 52 is connected to the heater core 7 via the waste heat recovery device 6.
- the opening 51 is an opening serving as a junction or branching source of the opening 52, the opening 53, and the opening 54.
- the opening 52, the opening 53, and the opening 54 correspond to the heater core 7, the oil cooler 9, and the radiator 10.
- the opening 51, the opening 52, the opening 53, and the opening 54 are provided in the housing 56.
- the housing 56 has a cylindrical shape.
- the rotary valve body 55 is accommodated in the housing 56.
- the rotary valve body 55 opens and closes the opening 51, the opening 52, the opening 53, and the opening 54 by a rotating operation.
- the rotary valve body 55 is driven by an actuator that drives the rotary valve body 55.
- a step motor can be applied to the actuator.
- the bypass passage 57 is a passage that bypasses the rotary valve body 55, and is provided so as to communicate the opening 51 and the opening 54 with the rotary valve body 55 blocking the opening 52, the opening 53, and the opening 54. It is done. Instead of communicating the opening 51 and the opening 54, the bypass passage 57 may be provided so as to communicate the portion of the housing 56 that is not in contact with the rotary valve body 55 and the opening 54.
- the pressure relief valve 58 is provided in the bypass passage 57.
- the pressure relief valve 58 opens and closes according to the pressure of the acting coolant.
- the pressure relief valve 58 may be a differential pressure valve that opens when the differential pressure across the coolant is greater than or equal to a set pressure and closes when the differential pressure across the coolant is less than the set pressure.
- the MCV 5 has a plurality of valve opening patterns to be described below according to the rotational position of the rotary valve body 55.
- the first valve opening pattern is a pattern that shuts off all the circulation circuits including the circulation path C11 and passing through the MCV 5, that is, the circulation circuit C11, the circulation circuit C14, and the circulation circuit C15 here.
- the opening 52, the opening 53, and the opening 54 are blocked.
- the opening 51 can be blocked.
- the word of a valve opening pattern includes the case where all the circulation circuits which pass MCV5 in this way are interrupted
- the second valve opening pattern is a pattern in which the coolant flows through the heater core 7 among the heater core 7, the oil cooler 9 and the radiator 10.
- the third valve opening pattern is a pattern in which the coolant flows through the heater core 7 and the oil cooler 9 among the heater core 7, the oil cooler 9, and the radiator 10.
- the fourth valve opening pattern is a pattern for allowing the coolant to flow through the heater core 7, the oil cooler 9, and the radiator 10. In the second to fourth valve opening patterns, the coolant can be selectively passed through at least one of the heater core 7, the oil cooler 9, and the radiator 10.
- the fifth valve opening pattern is a pattern in which the coolant flows through the radiator 10 among the heater core 7, the oil cooler 9, and the radiator 10.
- the pressure relief valve 58 is opened when the coolant is selectively circulated from the heater core 7, the oil cooler 9 and the radiator 10 to the radiator 10 and during the selection of the first valve opening pattern.
- the coolant can be circulated only to the radiator 10 among the heater core 7, the oil cooler 9, and the radiator 10 with the fifth valve opening pattern.
- FIG. 4 is a diagram showing a cooling circuit 1 ′ that is a comparative example of the cooling circuit 1.
- the cooling circuit 1 'does not include the orifice 11 and the circulation circuit C12.
- the circulation of the coolant to the waste heat recovery unit 6 can be stopped by the MCV 5.
- the MCV 5 shuts off the flow of the coolant to the waste heat recovery unit 6 when the opening 52, the opening 53, and the opening 54 are blocked by the first valve opening pattern and the engine warm-up is promoted, for example.
- the flow rate of the coolant flowing through the internal combustion engine 3 is reduced by shutting off all the circulation circuits passing through the MCV 5, that is, the circulation circuit C11, the circulation circuit C14, and the circulation circuit C15 here, with the MCV 5.
- engine warm-up is promoted.
- the engine warm-up is also promoted by preventing the radiator 10 from dissipating heat.
- Such a situation may occur, for example, when the exhaust gas of the internal combustion engine 3 flows into the waste heat recovery device 6 in a large amount in the above state where the circulation circuit C11, the circulation circuit C14 and the circulation circuit C15 are shut off by the MCV 5. In addition, this may occur when the MCV 5 cannot be driven due to mechanical problems such as sticking, electrical or control problems in the above state. When bubbles are generated in the coolant, the generated bubbles may cause a pumping failure of the pump 2.
- the cooling circuit 1 includes an internal combustion engine 3, a pump 2, an MCV 5, a waste heat recovery unit 6, a circulation circuit C11, and a circulation circuit C12.
- the cooling circuit 1 having the above configuration ensures a minimum flow rate that does not cause pumping failure even if bubbles are generated in the waste heat recovery unit 6 in a state where the MCV 5 shuts off the circulation circuit C11.
- the coolant can be circulated in the circulation circuit C12. For this reason, it is possible to prevent a pumping failure from occurring in the pump 2 due to bubbles generated in the waste heat recovery unit 6.
- the cooling circuit 1 having the above configuration can exhibit the above-described effects when the circulation circuit C12 circulates the cooling liquid in a state where the pump 2 is pumping the cooling liquid.
- the MCV 5 is disposed upstream of the waste heat recovery unit 6 in the circulation circuit C11.
- the circulation circuit C12 branches from the circulation circuit C11 upstream of the MCV5, and the circulation circuit is downstream of the MCV5 and upstream of the waste heat recovery unit 6 (that is, between the MCV5 and the waste heat recovery unit 6) in the circulation circuit C11.
- Join C11 When the cooling circuit 1 has such a configuration, it is possible to circulate the coolant in the circulation circuit C12 while securing the minimum flow rate in a state where the MCV 5 blocks the circulation circuit C11. As a result, it is possible to prevent a pumping failure from occurring in the pump 2 due to bubbles generated in the waste heat recovery unit 6.
- the flow rate of the coolant flowing through the waste heat recovery unit 6 via the circulation circuit C12 is less than the flow rate of the coolant flowing through the waste heat recovery unit 6 via the circulation circuit C11. This is because if the minimum flow rate can be ensured, the pump 2 can be prevented from being poorly pumped.
- the waste heat recovery unit can achieve compatibility with the first valve opening pattern and the fifth valve opening pattern without performing a significant structural change or control change. It is possible to prevent a pumping failure from occurring in the pump 2 due to the bubbles generated in 6.
- a plurality of heat exchangers connected in parallel to the MCV 5 include the heater core 7, and the circulation circuit C ⁇ b> 11 includes the heater core 7.
- the cooling circuit 1 having such a configuration further enables the heater core 7 to be improved.
- the cooling circuit 1 configured as described above provides heating assistance for air used for heating the passenger compartment when the heater core 7 is disposed downstream of the waste heat recovery unit 6 in the circulation circuit C11. enable.
- the MCV 5 has the first valve opening pattern.
- the cooling circuit 1 is suitable for such a configuration in view of the generation of bubbles in the coolant as described above using the cooling circuit 1 ′.
- a plurality of heat exchangers connected in parallel to the MCV 5 include a heater core 7, an oil cooler 9, and a radiator 10.
- the MCV 5 further includes a second valve opening pattern, a third valve opening pattern, and a fourth valve opening pattern.
- the fifth valve opening pattern is selected when the coolant temperature is high. Further, when a mechanical failure, an electrical failure, or a control failure occurs in the MCV 5 during the selection of the first valve opening pattern, the pressure relief valve 58 is selected as a fail-safe to open. When the fifth valve opening pattern including the fail safe is selected in this way, the temperature of the coolant is high, and bubbles are easily generated in the waste heat recovery unit 6. In light of such circumstances, the cooling circuit 1 is suitable when the MCV 5 further has a fifth valve opening pattern.
- the waste heat recovery unit 6 is configured as a bypass-less type waste heat recovery unit.
- the exhaust gas flowing into the waste heat recovery unit 6 flows through the heat exchange unit 61.
- the cooling circuit 1 is suitable when the waste heat recovery device 6 is configured as described above.
- the flow rate of the coolant flowing through the waste heat recovery device 6 via the circulation circuit C12 can be set within a range of 1/30 to 1/10 of the flow rate of the coolant discharged by the pump 2. Specifically, in the cooling circuit 1, when the rotational speed of the internal combustion engine 3 is 1,000 rpm to 2,000 rpm, the flow rate of the coolant discharged from the pump 2 is about 10 L / min. When the flow rate of the coolant discharged from the pump 2 is 10 L / min, the flow rate of the coolant flowing through the waste heat recovery device 6 via the circulation circuit C12 is in the range of 0.3 L / min to 1 L / min. Set in.
- the operation of the pump 2 determines the ratio of bubbles contained in the coolant flowing into the pump 2. It can be made lower than 0.5% at which it becomes unstable.
- FIG. 5 is a schematic configuration diagram of the cooling circuit 1 according to the second embodiment.
- the connection passage 20 forms the following circulation circuit C11 and circulation circuit C12.
- the circulation circuit C12 also serves as the circulation circuit C13.
- the circulation circuit C14 and the circulation circuit C15 are formed in the same manner as in the first embodiment.
- the circulation circuit C11 circulates the coolant through the pump 2, the internal combustion engine 3, the MCV 5, the heater core 7, the waste heat recovery unit 6, and the EGR cooler 8 in this order. For this reason, the heater core 7 is disposed upstream of the waste heat recovery unit 6 in the circulation circuit C11. Specifically, the heater core 7 is disposed between the MCV 5 and the waste heat recovery unit 6.
- the circulation circuit C12 circulates the coolant in this order through the pump 2, the internal combustion engine 3, the EGR valve 4, the waste heat recovery unit 6, and the EGR cooler 8.
- the cooling circuit 1 according to the present embodiment does not include the orifice 11. Instead, in the cooling circuit 1 according to the present embodiment, a part or all of the connection passage 20 of the circulation circuit C12 that is not common to the circulation circuit C11 is configured as follows. That is, the flow rate of the coolant flowing through the waste heat recovery device 6 via the circulation circuit C12 is configured to be smaller than the flow rate of the coolant flowing through the waste heat recovery device 6 via the circulation circuit C11.
- the cooling circuit 1 according to the present embodiment also enables the coolant to circulate in the circulation circuit C12 while securing the minimum flow rate in a state where the MCV 5 blocks the circulation circuit C11. For this reason, it is possible to prevent a pumping failure from occurring in the pump 2 due to bubbles generated in the waste heat recovery unit 6.
- the heater core 7 is disposed upstream of the waste heat recovery unit 6 in the circulation circuit C11.
- the cooling circuit 1 of such a structure also makes it possible to improve the heater core 7. Specifically, when the cooling circuit 1 has such a configuration, it is possible to prevent bubbles generated in the waste heat recovery unit 6 from staying in the heater core 7 and reducing the heat exchange efficiency.
- the cooling circuit 1 can set the flow rate of the coolant flowing through the waste heat recovery device 6 through the circulation circuit C12 as described above, instead of including the orifice 11.
- FIG. 6 is a schematic configuration diagram of a cooling circuit 1 according to the third embodiment.
- the internal combustion engine 3 includes a coolant outflow portion 31.
- the coolant outflow portion 31 is shown at a position away from the internal combustion engine 3.
- the coolant outflow portion 31 may not be a part of the internal combustion engine 3.
- the pump 2 does not include the coolant inflow portion 21 that joins the circulation circuit C11, the circulation circuit C14, and the circulation circuit C15 to each other.
- the MCV 5 is disposed so as to be connected to the pump 2 from the inlet side. The point that the cooling circuit 1 does not include the orifice 11 is the same as in the case of the second embodiment.
- connection passage 20 forms the following circulation circuit C11, circulation circuit C12, circulation circuit C14, and circulation circuit C15.
- the circulation circuit C12 also serves as the circulation circuit C13.
- the circulation circuit C11 circulates the coolant in this order through the pump 2, the internal combustion engine 3, the waste heat recovery device 6, the heater core 7, the EGR cooler 8, and the MCV 5. For this reason, the MCV 5 is disposed downstream of the waste heat recovery unit 6 in the circulation circuit C11.
- the circulation circuit C12 circulates the coolant through the pump 2, the internal combustion engine 3, the waste heat recovery unit 6, the heater core 7, and the EGR valve 4 in this order.
- the circulation circuit C12 branches from the circulation circuit C11 downstream of the waste heat recovery unit 6. Specifically, the circulation circuit C12 branches from the circulation circuit C11 between the waste heat recovery unit 6 and the MCV 5. The circulation circuit C12 merges with the circulation circuit C11 downstream of the MCV5. Specifically, the circulation circuit C12 merges with the circulation circuit C11 between the MCV 5 and the pump 2.
- Circulation circuit C14 circulates the coolant through pump 2, internal combustion engine 3, oil cooler 9 and MCV 5 in this order.
- the circulation circuit C15 circulates the coolant through the pump 2, the internal combustion engine 3, the radiator 10 and the MCV 5 in this order.
- the circulation circuit C11, the circulation circuit C14, and the circulation circuit C15 are branched from each other at the coolant outflow portion 31, and are joined together at the MCV 5.
- the MCV 5 is disposed downstream of the waste heat recovery unit 6 in the circulation circuit C11.
- the circulation circuit C12 branches from the circulation circuit C11 downstream of the waste heat recovery unit 6 and upstream of the MCV 5 in the circulation circuit C11 (that is, between the waste heat recovery unit 6 and MCV 5), and the circulation circuit downstream of the MCV 5 Join C11.
- the cooling circuit 1 makes it possible to circulate the coolant in the circulation circuit C12 while securing the minimum flow rate in a state where the MCV 5 shuts off the circulation circuit C11. For this reason, it is possible to prevent the pump 2 from being poorly pumped due to bubbles generated in the waste heat recovery unit 6.
- FIG. 7 is a schematic configuration diagram of a cooling circuit 1 according to the fourth embodiment.
- MCV5 is arrange
- the waste heat recovery unit 6 is disposed upstream of the oil cooler 9. Specifically, the waste heat recovery unit 6 is disposed between the MCV 5 and the oil cooler 9. The point that the cooling circuit 1 does not include the orifice 11 is the same as in the case of the second embodiment.
- connection passage 20 forms the following circulation circuit C11, circulation circuit C12, and circulation circuit C16.
- the circulation circuit C11 also serves as the circulation circuit C14.
- the circulation circuit C13 and the circulation circuit C15 are formed in the same manner as in the first embodiment.
- the circulation circuit C11 circulates the coolant in this order through the pump 2, the internal combustion engine 3, the MCV 5, the waste heat recovery unit 6, and the oil cooler 9.
- the circulation circuit C12 circulates the coolant in this order through the pump 2, the internal combustion engine 3, the waste heat recovery device 6, and the oil cooler 9.
- the circulation circuit C ⁇ b> 11 and the circulation circuit C ⁇ b> 12 include the oil cooler 9.
- the circulation circuit C ⁇ b> 16 is a circulation circuit including the heater core 7.
- the circulation circuit C16 circulates the coolant through the pump 2, the internal combustion engine 3, the MCV 5, the heater core 7 and the EGR cooler 8 in this order.
- the circulation circuit C11, the circulation circuit C15, and the circulation circuit C16 branch from each other at the MCV 5 and merge with each other at the coolant inflow portion 21.
- the cooling circuit 1 according to the present embodiment also enables the coolant to circulate in the circulation circuit C12 while securing the minimum flow rate in a state where the MCV 5 blocks the circulation circuit C11. For this reason, it is possible to prevent a pumping failure from occurring in the pump 2 due to bubbles generated in the waste heat recovery unit 6.
- the plurality of heat exchangers connected in parallel to the MCV 5 include the oil cooler 9.
- the circulation circuit C ⁇ b> 11 and the circulation circuit C ⁇ b> 12 include the oil cooler 9, and the waste heat recovery device 6 is disposed upstream of the oil cooler 9.
- the cooling circuit 1 having such a configuration can use the heat recovered by the waste heat recovery unit 6 to heat the lubricating oil by the oil cooler 9. For this reason, the warm-up of the transmission which changes the output rotation of the internal combustion engine 3 is further enabled.
- the cooling circuit 1 warms up the transmission, and specifically enables the fuel efficiency of the internal combustion engine 3 to be improved.
- FIG. 8 is a schematic configuration diagram of a cooling circuit 1 according to the fifth embodiment.
- the connection passage 20 forms the following circulation circuit C12.
- the circulation circuit C11, the circulation circuit C13, the circulation circuit C14, and the circulation circuit C15 are formed in the same manner as in the first embodiment.
- the point that the cooling circuit 1 does not include the orifice 11 is the same as in the case of the second embodiment.
- the circulation circuit C12 circulates the coolant through the pump 2, the internal combustion engine 3, the MCV 5, the waste heat recovery unit 6, the heater core 7, and the EGR cooler 8 in this order.
- the circulation circuit C12 configured as described above further includes an MCV 5 in addition to the waste heat recovery unit 6. Further, the coolant is circulated through the opening 54.
- the MCV 5 has a second valve opening pattern, a third valve opening pattern, a fourth valve opening pattern, and a fifth valve opening pattern as a plurality of valve opening patterns, while the first valve opening pattern is the first valve opening pattern. Has no valve pattern.
- the heater core 7 when the coolant is selectively circulated from the heater core 7, the oil cooler 9 and the radiator 10 to the radiator 10 in the fifth valve opening pattern, the heater core 7 is also cooled via the circulation circuit C12. Distribute the liquid.
- the cooling circuit 1 of the present embodiment is configured as described above. As a result, it becomes possible to circulate the coolant through the circulation circuit C12 while ensuring the minimum flow rate during the selection of the fifth valve opening pattern including the fail safe. For this reason, in the cooling circuit 1 having such a configuration, a pumping failure occurs in the pump 2 due to bubbles generated in the waste heat recovery unit 6 during the selection of the fifth valve opening pattern including the fail safe. Make it possible to prevent that.
- the waste heat recovery unit 6 is connected in series with any one of the plurality of heat exchangers connected in parallel to the MCV 5 has been described.
- the waste heat recovery unit 6 may not be connected in series with any of the plurality of heat exchangers. That is, the waste heat recovery device 6 may be provided alone as a heat exchanger in the circulation circuit C11.
- the MCV 5 may include a plurality of solenoid valves 591 to 593, which are solenoid valves.
- the MCV 5 shown in FIG. 9 includes electromagnetic valves 591 to 593 instead of the rotary valve body 55 so as to correspond to the first to fifth valve opening patterns described above. Opening and closing is controlled individually.
- the electromagnetic valves 591 to 593 are provided in the opening 52, the opening 53, and the opening 54, respectively.
- a plurality of heat exchangers can also be connected in parallel to such MCV5.
- the waste heat recovery unit 6 further includes a bypass passage 62 that bypasses the heat exchange unit 61 and a bypass valve 63 that communicates and blocks the bypass passage 62. Can also be applied.
- the bypass valve 63 may be a valve that causes the exhaust gas to flow through the heat exchanging unit 61 when the bypass passage 62 is blocked.
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Abstract
Description
図1は第1実施形態にかかる内燃機関の冷却回路1の概略構成図である。以下では、内燃機関の冷却回路を冷却回路と称す。冷却回路1は、ポンプ2と、内燃機関3と、EGRバルブ4と、マルチコントロールバルブ5と、廃熱回収器(EHRS)6と、ヒータコア7と、EGRクーラ8と、オイルクーラ9と、ラジエータ10と、オリフィス11と、接続通路20と、を備える。接続通路20に沿った矢印は、内燃機関3を冷却する冷却液の流れを示す。冷却回路1は冷却液を循環させる。冷却液には、不凍液を適用することができる。
図5は第2実施形態にかかる冷却回路1の概略構成図である。本実施形態では、接続通路20が次のような循環回路C11及び循環回路C12を形成する。本実施形態では、循環回路C12が循環回路C13を兼ねる。循環回路C14及び循環回路C15は、第1実施形態と同様に形成される。
図6は第3実施形態にかかる冷却回路1の概略構成図である。本実施形態では、内燃機関3は冷却液流出部31を備える。図6では、説明の便宜上、冷却液流出部31を内燃機関3から離れた位置に示す。冷却液流出部31は内燃機関3の一部でなくてもよい。本実施形態では、ポンプ2は、循環回路C11、循環回路C14及び循環回路C15を互いに合流させる冷却液流入部21を備えない。本実施形態では、MCV5が、ポンプ2に入口側から接続するように配置される。冷却回路1がオリフィス11を備えない点については、第2実施形態の場合と同様である。
図7は第4実施形態にかかる冷却回路1の概略構成図である。本実施形態では、第1実施形態や第2実施形態と同様、MCV5が、循環回路C11において廃熱回収器6の上流に配置される。本実施形態では、廃熱回収器6が、オイルクーラ9の上流に配置される。廃熱回収器6は具体的には、MCV5及びオイルクーラ9間に配置される。冷却回路1がオリフィス11を備えない点については、第2実施形態の場合と同様である。
図8は第5実施形態にかかる冷却回路1の概略構成図である。本実施形態では、接続通路20が、次のような循環回路C12を形成する。循環回路C11、循環回路C13、循環回路C14及び循環回路C15は、第1実施形態と同様に形成される。冷却回路1がオリフィス11を備えない点については、第2実施形態の場合と同様である。
Claims (12)
- 内燃機関と、
前記内燃機関を冷却する冷却液を圧送する圧送部と、
複数の熱交換器が並列接続されるバルブ部と、
前記内燃機関の排気から冷却液によって熱を回収する廃熱回収器と、
前記圧送部、前記バルブ部及び前記廃熱回収器を含む第1の循環回路と、
前記圧送部及び前記廃熱回収器を含む第2の循環回路と、
を備える内燃機関の冷却回路。 - 請求項1に記載の内燃機関の冷却回路であって、
前記バルブ部が、前記第1の循環回路において前記廃熱回収器の上流に配置され、
前記第2の循環回路が、前記バルブ部の上流で前記第1の循環回路から分岐し、前記廃熱回収器の上流で前記第1の循環回路と合流する内燃機関の冷却回路。 - 請求項1に記載の内燃機関の冷却回路であって、
前記バルブ部が、前記第1の循環回路において前記廃熱回収器の下流に配置され、
前記第2の循環回路が、前記廃熱回収器の下流で前記第1の循環回路から分岐し、前記バルブ部の下流で前記第1の循環回路と合流する内燃機関の冷却回路。 - 請求項1に記載の内燃機関の冷却回路であって、
前記第2の循環回路を介して前記廃熱回収器を流通する冷却液の流量が、前記第1の循環回路を介して前記廃熱回収器を流通する冷却液の流量より少ない内燃機関の冷却回路。 - 請求項1に記載の内燃機関の冷却回路であって、
前記複数の熱交換器が、冷却液からの放熱で前記内燃機関を搭載する車両の車室内の暖房に利用する空気を加熱する加熱器を含み、
前記第1の循環回路が、前記加熱器をさらに含む内燃機関の冷却回路。 - 請求項1に記載の内燃機関の冷却回路であって、
前記複数の熱交換器が、冷却液への放熱で前記内燃機関の出力回転を変速する変速機の潤滑オイルを冷却する冷却器を含み、
前記第1の循環回路及び前記第2の循環回路が前記冷却器をさらに含むとともに、前記廃熱回収器が前記冷却器の上流に配置される内燃機関の冷却回路。 - 請求項2又は3に記載の内燃機関の冷却回路であって、
前記バルブ部が、前記第1の循環回路を含め、前記バルブ部を経由するすべての循環回路を遮断する開弁パターンを有する内燃機関の冷却回路。 - 請求項7に記載の内燃機関の冷却回路であって、
前記複数の熱交換器が、
冷却液からの放熱で前記内燃機関を搭載する車両の車室内の暖房に利用する空気を加熱する加熱器と、
冷却液への放熱で前記内燃機関の出力回転を変速する変速機の潤滑オイルを冷却する冷却器と、
冷却液の放熱を行う放熱器と、
を含み、
前記バルブ部が、
前記複数の熱交換器のうち前記加熱器に冷却液を流通させる開弁パターンと、
前記複数の熱交換器のうち前記加熱器及び前記冷却器に冷却液を流通させる開弁パターンと、
前記複数の熱交換器のうち前記加熱器、前記冷却器及び前記放熱器に冷却液を流通させる開弁パターンと、
をさらに有する内燃機関の冷却回路。 - 請求項8に記載の内燃機関の冷却回路であって、
前記バルブ部が、前記複数の熱交換器のうち前記放熱器のみに冷却液を流通させる開弁パターンをさらに有する内燃機関の冷却回路。 - 請求項1に記載の内燃機関の冷却回路であって、
前記第2の循環回路が、前記バルブ部をさらに含むとともに、前記バルブ部の開口部であって前記放熱器に冷却液を流通させる開口部を介して冷却液を流通させる内燃機関の冷却回路。 - 請求項1に記載の内燃機関の冷却回路であって、
前記廃熱回収器が、排気と冷却液との間で熱交換を行う熱交換部を備え、
前記廃熱回収器は、流入する排気を前記熱交換部を介して流通させるバイパスレス型の廃熱回収器として構成される内燃機関の冷却回路。 - 請求項1から11いずれか1項に記載の内燃機関の冷却回路であって、
前記第2の循環回路が、前記圧送部が冷却液を圧送している状態で、冷却液を循環させる内燃機関の冷却回路。
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EP14892798.1A EP3147473B1 (en) | 2014-05-23 | 2014-05-23 | Cooling circuit including an internal combustion engine |
CN201480079027.2A CN106414941B (zh) | 2014-05-23 | 2014-05-23 | 内燃机的冷却回路 |
PCT/JP2014/063729 WO2015177930A1 (ja) | 2014-05-23 | 2014-05-23 | 内燃機関の冷却回路 |
US15/312,750 US10450938B2 (en) | 2014-05-23 | 2014-05-23 | Cooling circuit for internal combustion engines |
JP2016520897A JP6269825B2 (ja) | 2014-05-23 | 2014-05-23 | 内燃機関の冷却回路 |
RU2016145876A RU2647349C1 (ru) | 2014-05-23 | 2014-05-23 | Контур охлаждения для двигателей внутреннего сгорания |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107429601A (zh) * | 2015-04-03 | 2017-12-01 | 日立汽车系统株式会社 | 内燃机的冷却系统及其控制方法 |
KR20180127563A (ko) * | 2017-05-18 | 2018-11-29 | 현대자동차주식회사 | 하이브리드 차량의 열 관리방법 |
KR20190073645A (ko) * | 2017-12-19 | 2019-06-27 | 현대자동차주식회사 | 유량제어밸브의 제어방법 |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20180019410A (ko) * | 2016-08-16 | 2018-02-26 | 현대자동차주식회사 | 냉각수 제어밸브 유닛을 갖는 엔진시스템 |
JP6627826B2 (ja) * | 2017-07-10 | 2020-01-08 | トヨタ自動車株式会社 | 熱交換システムの制御装置 |
CN107246313A (zh) * | 2017-07-20 | 2017-10-13 | 安徽江淮汽车集团股份有限公司 | 一种应用于车辆冷却系统的流量控制结构 |
US10415452B1 (en) | 2018-03-01 | 2019-09-17 | GM Global Technology Operations LLC | Exhaust gas heat recovery energy extraction strategy |
US11059351B2 (en) * | 2018-04-25 | 2021-07-13 | Ford Global Technologies, Llc | System and method for heating passenger cabin with combination of power electronics and electric machine waste heat |
JP6856676B2 (ja) * | 2019-01-11 | 2021-04-07 | 本田技研工業株式会社 | 内燃機関の蓄熱放熱装置 |
JP7081515B2 (ja) * | 2019-01-31 | 2022-06-07 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
CN110206628A (zh) * | 2019-06-17 | 2019-09-06 | 中国汽车工程研究院股份有限公司 | 汽车热交换器水流声异响消除的结构设计 |
KR20210049490A (ko) | 2019-10-25 | 2021-05-06 | 현대자동차주식회사 | 통합유량제어 밸브를 적용한 차량 열관리 시스템 및 냉각회로 제어 방법 |
KR20210049494A (ko) * | 2019-10-25 | 2021-05-06 | 현대자동차주식회사 | 통합유량제어 밸브를 적용한 차량 열관리 시스템 및 냉각회로 제어 방법 |
KR20210049491A (ko) | 2019-10-25 | 2021-05-06 | 현대자동차주식회사 | 통합유량제어 밸브를 적용한 차량 열관리 시스템 및 냉각회로 제어 방법 |
KR102692485B1 (ko) | 2019-10-25 | 2024-08-07 | 현대자동차주식회사 | 통합유량제어 밸브를 적용한 차량 열관리 시스템 및 냉각회로 제어 방법 |
KR20210049493A (ko) | 2019-10-25 | 2021-05-06 | 현대자동차주식회사 | 통합유량제어 밸브를 적용한 차량 열관리 시스템 및 냉각회로 제어 방법 |
CN111022172B (zh) * | 2019-11-28 | 2022-07-01 | 哈尔滨东安汽车动力股份有限公司 | 一种双球阀式集成热管理模块 |
KR20210096853A (ko) * | 2020-01-29 | 2021-08-06 | 현대자동차주식회사 | 2포트 방식 통합유량제어 밸브를 이용한 차량 열관리 시스템 및 냉각회로제어 방법 |
JP2022175443A (ja) * | 2021-05-13 | 2022-11-25 | マツダ株式会社 | エンジンの冷却システム |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008202485A (ja) * | 2007-02-20 | 2008-09-04 | Toyota Motor Corp | 内燃機関の排気熱回収装置 |
JP2008291690A (ja) * | 2007-05-23 | 2008-12-04 | Toyota Motor Corp | 冷却系システム |
JP2013024110A (ja) * | 2011-07-20 | 2013-02-04 | Toyota Motor Corp | エンジン冷却装置 |
JP2014037785A (ja) * | 2012-08-13 | 2014-02-27 | Toyota Motor Corp | 冷却水制御装置 |
JP2014043181A (ja) * | 2012-08-28 | 2014-03-13 | Denso Corp | 車両用熱管理システム |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU1456621A1 (ru) * | 1987-02-09 | 1989-02-07 | Николаевский Кораблестроительный Институт Им.Адм.С.О.Макарова | Система охлаждени поршневого двигател внутреннего сгорани |
SU1495464A1 (ru) * | 1987-07-03 | 1989-07-23 | Всесоюзный Научно-Исследовательский Тепловозный Институт | Система охлаждени двигател внутреннего сгорани |
JP2002371848A (ja) * | 2001-06-13 | 2002-12-26 | Aisan Ind Co Ltd | エンジン冷却装置 |
JP4682863B2 (ja) | 2006-02-14 | 2011-05-11 | マツダ株式会社 | エンジンの冷却装置 |
JP4998247B2 (ja) * | 2007-12-19 | 2012-08-15 | トヨタ自動車株式会社 | 内燃機関の冷却水制御装置 |
WO2010024246A1 (ja) * | 2008-08-26 | 2010-03-04 | サンデン株式会社 | 内燃機関の廃熱利用装置 |
JPWO2011030394A1 (ja) * | 2009-09-08 | 2013-02-04 | トヨタ自動車株式会社 | 車両の冷却装置 |
CN102575569B (zh) * | 2009-10-05 | 2014-12-31 | 丰田自动车株式会社 | 车辆的冷却装置 |
JP4998537B2 (ja) * | 2009-10-15 | 2012-08-15 | トヨタ自動車株式会社 | 車両の冷却装置 |
KR101144078B1 (ko) * | 2010-08-26 | 2012-05-23 | 기아자동차주식회사 | 하이브리드 차량의 열 관리 시스템 및 방법 |
JP5136623B2 (ja) * | 2010-11-11 | 2013-02-06 | トヨタ自動車株式会社 | 水温センサ異常判定装置 |
JP2012184754A (ja) * | 2011-03-08 | 2012-09-27 | Toyota Motor Corp | 冷却装置 |
US9297292B2 (en) * | 2011-07-20 | 2016-03-29 | Toyota Jidosha Kabushiki Kaisha | Engine cooling device |
CN103890326B (zh) * | 2011-09-30 | 2015-08-26 | 日产自动车株式会社 | 发动机废热利用装置 |
US8978596B2 (en) * | 2012-06-29 | 2015-03-17 | GM Global Technology Operations LLC | Powertrain cooling system with cooling flow modes |
JP2014070630A (ja) | 2012-10-02 | 2014-04-21 | Daimler Ag | 車両用廃熱回収システム |
US9874134B2 (en) * | 2013-04-30 | 2018-01-23 | Toyota Jidosha Kabushiki Kaisha | Cooling water control apparatus |
CN103775252B (zh) * | 2014-01-22 | 2016-02-10 | 东风商用车有限公司 | 一种增压柴油机egr系统智能冷却装置 |
WO2015125260A1 (ja) * | 2014-02-20 | 2015-08-27 | 日産自動車株式会社 | 冷却システム制御装置及び冷却システム制御方法 |
-
2014
- 2014-05-23 RU RU2016145876A patent/RU2647349C1/ru active
- 2014-05-23 US US15/312,750 patent/US10450938B2/en active Active
- 2014-05-23 EP EP14892798.1A patent/EP3147473B1/en active Active
- 2014-05-23 JP JP2016520897A patent/JP6269825B2/ja active Active
- 2014-05-23 CN CN201480079027.2A patent/CN106414941B/zh active Active
- 2014-05-23 WO PCT/JP2014/063729 patent/WO2015177930A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008202485A (ja) * | 2007-02-20 | 2008-09-04 | Toyota Motor Corp | 内燃機関の排気熱回収装置 |
JP2008291690A (ja) * | 2007-05-23 | 2008-12-04 | Toyota Motor Corp | 冷却系システム |
JP2013024110A (ja) * | 2011-07-20 | 2013-02-04 | Toyota Motor Corp | エンジン冷却装置 |
JP2014037785A (ja) * | 2012-08-13 | 2014-02-27 | Toyota Motor Corp | 冷却水制御装置 |
JP2014043181A (ja) * | 2012-08-28 | 2014-03-13 | Denso Corp | 車両用熱管理システム |
Non-Patent Citations (1)
Title |
---|
See also references of EP3147473A4 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107429601A (zh) * | 2015-04-03 | 2017-12-01 | 日立汽车系统株式会社 | 内燃机的冷却系统及其控制方法 |
CN107429601B (zh) * | 2015-04-03 | 2019-04-12 | 日立汽车系统株式会社 | 内燃机的冷却系统及其控制方法 |
KR20180127563A (ko) * | 2017-05-18 | 2018-11-29 | 현대자동차주식회사 | 하이브리드 차량의 열 관리방법 |
KR102324760B1 (ko) * | 2017-05-18 | 2021-11-10 | 현대자동차주식회사 | 하이브리드 차량의 열 관리방법 |
KR20190073645A (ko) * | 2017-12-19 | 2019-06-27 | 현대자동차주식회사 | 유량제어밸브의 제어방법 |
KR102019321B1 (ko) | 2017-12-19 | 2019-09-09 | 현대자동차(주) | 유량제어밸브의 제어방법 |
Also Published As
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JPWO2015177930A1 (ja) | 2017-04-20 |
CN106414941B (zh) | 2019-08-23 |
EP3147473B1 (en) | 2022-06-29 |
CN106414941A (zh) | 2017-02-15 |
EP3147473A1 (en) | 2017-03-29 |
JP6269825B2 (ja) | 2018-01-31 |
RU2647349C1 (ru) | 2018-03-15 |
EP3147473A4 (en) | 2017-07-26 |
US20170184008A1 (en) | 2017-06-29 |
US10450938B2 (en) | 2019-10-22 |
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