KR20020043726A - Vehicle cabin heater apparatus using EGR cooler - Google Patents
Vehicle cabin heater apparatus using EGR cooler Download PDFInfo
- Publication number
- KR20020043726A KR20020043726A KR1020000072807A KR20000072807A KR20020043726A KR 20020043726 A KR20020043726 A KR 20020043726A KR 1020000072807 A KR1020000072807 A KR 1020000072807A KR 20000072807 A KR20000072807 A KR 20000072807A KR 20020043726 A KR20020043726 A KR 20020043726A
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- South Korea
- Prior art keywords
- egr
- egr cooler
- exhaust gas
- engine
- cooling water
- Prior art date
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- 239000000498 cooling water Substances 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 4
- 238000010792 warming Methods 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 239000002826 coolant Substances 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G5/00—Profiting from waste heat of combustion engines, not otherwise provided for
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Abstract
Description
본 발명은 EGR쿨러를 이용한 히터성능 향상장치에 관한 것으로, 보다 상세하게는 기존의 난방장치에 부가적으로 EGR쿨러를 거쳐 더워진 냉각수를 직접 히터코어로 흐르게 하므로서 보다 향상된 실내 난방성능 및 엔진 난기성능을 얻기 위한 EGR쿨러를 이용한 히터성능 향상장치에 관한 것이다.The present invention relates to an apparatus for improving heater performance using an EGR cooler, and more particularly, to improve indoor heating performance and engine turbulence performance by allowing a heated coolant to flow directly to a heater core in addition to an existing heating apparatus. The present invention relates to a heater performance improving apparatus using an EGR cooler.
일반적으로 차량에는 겨울철 차량의 실내를 따뜻하게 하기 위한 난방장치가 구비된다.In general, the vehicle is provided with a heating device for warming the interior of the winter vehicle.
일반적인 난방장치는 도 3에 도시되는 바와 같이, 엔진을 냉각하기 위해서 실린더블럭 및 실린더헤드에 형성된 워터자켓을 순환하면서 뜨거워진 냉각수가 히터코어(20)로 공급되고, 히터코어(20)에 공급된 냉각수의 열을 송풍팬을 이용하여 차실내로 공급되도록 구성되어 있다.In the general heating apparatus, as shown in FIG. 3, hot water is supplied to the heater core 20 while circulating the water jacket formed on the cylinder block and the cylinder head to cool the engine, and the heater core 20 is supplied to the heater core 20. It is configured to supply heat of the cooling water to the vehicle interior by using a blower fan.
이와 같이 히터코어(20)에서 열을 빼앗긴 냉각수는 라디에이터(50) 측으로 흐르게 되고, 상기 라디에이터(50)에서 냉각된 차가운 냉각수와 함께 다시 엔진 (10)을 냉각하게 되어 있다.Thus, the coolant deprived of heat from the heater core 20 flows to the radiator 50 side, and cools the engine 10 together with the cool coolant cooled by the radiator 50.
그리고 최근의 엔진(특히, 직접분사식 디젤엔진)에는 열효율이 향상됨에 따라 연소에 의해 발생된 열에너지 중 냉각수로 전달되는 에너지의 감소로 인해 난방성능이 부족하게 되므로서, 엔진(10)에서 히터코어(20)를 연결하는 냉각수라인(22) 도중에는 별도의 전기히터(100)나 혹은 연료버너(100)를 장착하여 난방성능이 향상되도록 하고 있는 실정이다.In recent engines (particularly, direct injection diesel engines), as the thermal efficiency is improved, the heating performance is insufficient due to the reduction of energy transmitted to the coolant among the thermal energy generated by combustion. In the middle of the cooling water line 22 connecting 20, an additional electric heater 100 or a fuel burner 100 is installed to improve heating performance.
한편, 엔진에는 도면과 같이 배기가스 저감을 위해서 배기가스 재순환장치 (EGR장치)가 사용되고 있는데, 최근에는 점차 강화되는 배기가스규제에 만족시키기 위해서 EGR가스 온도를 낮추기 위한 EGR쿨러(30)가 적용되는 차량이 증가하고 있는추세이다.On the other hand, the exhaust gas recirculation device (EGR device) is used to reduce the exhaust gas as shown in the drawing, the EGR cooler 30 for lowering the EGR gas temperature is applied to satisfy the exhaust gas regulation that is gradually strengthened in recent years Vehicles are on the rise.
상기한 EGR쿨러(30)는 엔진(10)을 냉각하기 위한 냉각수의 일부를 바이패스시켜 EGR가스의 온도을 낮추기 위한 것으로, EGR밸브(38)가 작동하고 있는 상태에서는 배기가스가 EGR쿨러(30) 내부로 흐르게 되어 냉각수 온도가 상승되므로 간접적으로 실내 난방성능 및 엔진 난기성능이 향상되는 효과가 있었으나, EGR밸브(38)가 작동되지 않는 상태에서는 배기가스가 EGR쿨러(30) 내부를 흐르지 않게 되어 난방성능 및 난기성능에는 도움을 주지 못하였다.The EGR cooler 30 is for lowering the temperature of the EGR gas by bypassing a part of the cooling water for cooling the engine 10. The exhaust gas is the EGR cooler 30 when the EGR valve 38 is in operation. Since the cooling water temperature increases due to the flow inside, indirect heating performance and engine warming performance are indirectly improved. However, the exhaust gas does not flow inside the EGR cooler 30 when the EGR valve 38 is not operated. It did not help performance and turbulence performance.
상기한 바와 같이 종래의 엔진에는 난방성능을 향상하기 위한 장치와 EGR쿨러가 개별적으로 형성되기 때문에, 그를 제작하는데 드는 부품 및 제작비용이 많이 드는 문제점이 있었으며 EGR쿨러를 순환하면서 뜨거워진 냉각수를 히터코어로 직접 흐르게 하지 않아 실내 난방성능을 높이는 데 사용하지 못하였다.As described above, since the engine and the EGR cooler are separately formed in the conventional engine, there is a problem in that parts and manufacturing cost are expensive to manufacture them, and the hot water is circulated through the EGR cooler. It was not used to improve indoor heating performance because it did not flow directly to the furnace.
따라서 본 발명은 상기한 문제점을 해결하기 위해서 안출된 것으로서, 보다 상세하게는 기존의 난방장치에 부가적으로 EGR쿨러를 거쳐 더워진 냉각수를 직접 히터코어로 흐르게 하므로서 보다 향상된 난방성능을 얻기 위한 EGR쿨러를 이용한 히터성능 향상장치를 제공하는 데 목적이 있다.Therefore, the present invention has been made to solve the above problems, more specifically, the EGR cooler for obtaining improved heating performance by flowing the hot water directly through the EGR cooler directly to the heater core in addition to the existing heating device It is an object to provide a heater performance improving apparatus using.
본 발명은 상기한 목적을 달성하기 위한 수단으로서,The present invention as a means for achieving the above object,
엔진을 냉각하는 과정에서 뜨거워진 냉각수를 히터코어로 공급하기 위한 냉각수라인과;A cooling water line for supplying the cooling water heated in the process of cooling the engine to the heater core;
상기한 냉각수라인의 도중에 형성되어 바이패스되는 고온의 EGR가스의 열을빼앗아 EGR가스를 냉각하는 반면에 EGR가스에서 빼앗은 열로 상기 히터코어로 공급되는 냉각수의 온도을 더욱 높이도록 형성되는 EGR쿨러와;An EGR cooler which is formed in the middle of the cooling water line and takes the heat of the high-temperature EGR gas bypassed to cool the EGR gas, whereas the EGR cooler is formed to further increase the temperature of the cooling water supplied to the heater core with heat taken from the EGR gas;
상기한 EGR쿨러의 일측과 터보차저 상류(통상, 배기매니폴드)의 일측을 연결하여 배기가스의 일부가 상기 EGR쿨러로 공급되도록 하는 유입라인과;An inlet line connecting one side of the EGR cooler to one side of a turbocharger upstream (usually, an exhaust manifold) so that a part of the exhaust gas is supplied to the EGR cooler;
상기한 EGR쿨러의 다른 일측과 터보차저 후방을 연결하여 EGR밸브가 닫힐 때에 EGR쿨러로 유도된 일부의 배기가스가 배기계로 빠져나가도록 형성되는 유출라인과;An outlet line which connects the other side of the EGR cooler to the rear of the turbocharger so that a part of the exhaust gas led to the EGR cooler exits the exhaust system when the EGR valve is closed;
상기한 유출라인의 도중과 엔진 흡기측(통상, 흡기매니폴드)을 연결하여 EGR밸브 작동시 EGR쿨러에서 냉각된 배기가스가 엔진 흡기측으로 유입되도록 형성되는 EGR공급라인; 으로 구성되는 것을 특징으로 하며,An EGR supply line which connects the middle of the outlet line and the engine intake side (usually, the intake manifold) so that the exhaust gas cooled in the EGR cooler flows into the engine intake side when the EGR valve is operated; Characterized in that consists of,
엔진의 냉간 운전중에도 EGR밸브의 작동여부와 관계없이 배기가스의 일부가 EGR쿨러의 내부를 흐르게 하므로서 난방에 필요한 배기가스를 확보할 뿐만 아니라, 엔진의 난기후에는 터보차저 구동과 EGR에 필요한 배기가스를 확보하기 위해 상기한 유출라인의 도중에 히터콘트롤밸브를 형성한 것을 특징으로 한다.Part of the exhaust gas flows inside the EGR cooler regardless of whether the EGR valve is operated during cold operation of the engine, ensuring not only the exhaust gas required for heating, but also the exhaust gas required for turbocharger operation and EGR after the engine warms up. Heater control valve is formed in the middle of the outflow line to ensure the.
도 1은 본 발명에 의해 구성된 히터성능 향상장치의 구성도.1 is a block diagram of a heater performance improving apparatus constructed by the present invention.
도 2는 본 발명에 의해 구성된 히터성능 향상장치의 작동상태도.Figure 2 is an operating state of the heater performance improving apparatus constructed by the present invention.
도 3은 종래기술을 설명하기 위한 도면.Figure 3 is a view for explaining the prior art.
※ 도면의 주요부분에 대한 부호의 설명※ Explanation of code for main part of drawing
10 : 엔진 11 : 흡기매니폴드10 engine 11 intake manifold
12 : 배기매니폴드 14 : 터보차저12 exhaust exhaust manifold 14 turbocharger
20 : 히터코어 22 : 냉각수라인20: heater core 22: cooling water line
30 : EGR쿨러 32 : 유입라인30: EGR cooler 32: inflow line
34 : 유출라인 36 : EGR공급라인34: outflow line 36: EGR supply line
38 : EGR밸브 40 : 히터콘트롤밸브38: EGR valve 40: heater control valve
50 : 라디에이터50: radiator
본 발명의 실시예를 첨부한 도면과 함께 보다 상세하게 설명하면 다음과 같다.An embodiment of the present invention will be described in more detail with reference to the accompanying drawings.
도 1은 본 발명에 의해 구성된 히터성능 향상장치의 구성도이며, 도 2는 본 발명에 의해 구성된 히터성능 향상장치의 작동상태도이다.1 is a configuration diagram of a heater performance improving apparatus constructed by the present invention, and FIG. 2 is an operating state diagram of the heater performance improving apparatus constructed by the present invention.
도면 중에 표시되는 도면부호 10은 엔진을 지시하는 것이며, 도면부호 20은히터코어를 지시하는 것이며, 기타 구성요소들 또한 종래기술을 설명하기 위한 도면의 도면부호가 그대로 인용된다.Reference numeral 10 denoted in the drawings denotes an engine, reference numeral 20 denotes a heater core, and other components are also referred to as reference numerals in the drawings for describing the prior art.
상기한 엔진(10)의 양측에는 흡기매니폴드(11)와 배기매니폴드(12)가 형성되며, 상기 배기매니폴드(12)에는 배기가스를 이용하여 흡입공기의 과급하게 되는 터보차저(14)가 형성된다.Intake manifolds 11 and exhaust manifolds 12 are formed on both sides of the engine 10, and the exhaust manifolds 12 are turbochargers 14 that supercharge intake air using exhaust gas. Is formed.
엔진(10)의 실린더블럭 및 실린더헤드에 형성된 워터자켓을 순환하면서 뜨거워진 냉각수를 이용하여 차실내를 난방하기 위한 히터코어(20)가 엔진(10)의 일측에 형성되며, 엔진(10)의 타측에는 엔진(10)을 냉각하기 위한 냉각수를 냉각시키기 위한 라디에이터(50)가 형성된다.A heater core 20 is formed on one side of the engine 10 to heat the interior of the vehicle using the coolant heated while circulating the cylinder block of the engine 10 and the water jacket formed on the cylinder head. On the other side, a radiator 50 for cooling the cooling water for cooling the engine 10 is formed.
엔진(10)을 순환하면서 뜨거워진 냉각수를 히터코어(20)에 공급하기 위해서 냉각수라인(22)이 형성되는데, 이 냉각수라인(22)의 도중에는 EGR가스를 냉각하기 위한 EGR쿨러(30)가 형성된다.A cooling water line 22 is formed to supply the cooling core heated to the heater core 20 while circulating the engine 10. An EGR cooler 30 for cooling the EGR gas is formed in the middle of the cooling water line 22. do.
상기한 EGR쿨러(30)의 일측에는 터보차저 상류(통상, 배기매니폴드(12))와 연결되어 배기가스가 유입되는 유입라인(32)이 형성되고, 그 타측에는 EGR밸브(38)가 닫혔을 때에 열을 빼앗긴 배기가스가 배기관으로 배출되도록 터보차저(14)의 후방과 연결되는 유출라인(34)이 형성된다.One side of the EGR cooler 30 is connected to an upstream turbocharger (usually, the exhaust manifold 12), and an inflow line 32 through which the exhaust gas flows is formed, and on the other side, the EGR valve 38 is closed. The outlet line 34 is formed to be connected to the rear of the turbocharger 14 so that the exhaust gas deprived of heat when discharged to the exhaust pipe.
그리고 상기한 유출라인(34)의 도중과 엔진 흡기측(흡기매니폴드(11))을 연결하는 EGR공급라인(36)이 형성되는데, 이는 EGR쿨러(30)에서 냉각된 배기가스가 EGR밸브(38)가 개방되면 흡기매니폴드(11)로 유입될 수 있도록 하기 위한 것이다. 상기 EGR밸브(38)는 상기 EGR공급라인(36)의 도중에 형성되는 것이다.In addition, an EGR supply line 36 which connects the middle of the outlet line 34 and the engine intake side (intake manifold 11) is formed, and the exhaust gas cooled in the EGR cooler 30 is an EGR valve ( When 38) is open to allow the intake manifold (11) to be introduced. The EGR valve 38 is formed in the middle of the EGR supply line 36.
그리고 EGR공급라인(36)이 분기되는 유출라인(34)의 후측에는 히터콘트롤밸브(40)가 형성되는데, 이 히터콘트롤밸브(40)는 엔진(10)의 냉간운전시에 개방시켜 EGR밸브(38)의 작동여부와 관계없이 배기가스의 일부가 EGR쿨러(30)의 내부를 흐르게 하므로서 난방에 필요한 배기가스를 확보하기 위한 것일 뿐만 아니라, 엔진의 난기후에는 닫아 터보차저 구동과 EGR에 필요한 배기가스를 확보할 수 있게 하기 위한 것이다.A heater control valve 40 is formed at the rear side of the outlet line 34 where the EGR supply line 36 is branched. The heater control valve 40 is opened during the cold operation of the engine 10 to open the EGR valve ( Regardless of the operation of 38), part of the exhaust gas flows inside the EGR cooler 30 to secure the exhaust gas necessary for heating, and closes after the engine warms up to exhaust the turbocharger and exhaust required for the EGR. It is to be able to secure gas.
따라서 상기한 EGR쿨러(30)는 종래에는 EGR가스를 냉각하는 역할만 하였지만, 본 발명에서는 EGR가스를 냉각시킴과 동시에 히터코어(20)로 유입되는 냉각수를 고온화시키는 역할을 하도록 구성된다.Therefore, the EGR cooler 30 is conventionally only serves to cool the EGR gas, but in the present invention is configured to serve to cool the EGR gas and at the same time to increase the temperature of the cooling water flowing into the heater core 20.
도면 중 미설명부호 16은 서모스탯을 나타내며, 난방 및 엔진을 냉각하기 위한 기타의 구성요소는 종래와 같으므로 그에 따른 설명은 생략하기로 한다.In the drawings, reference numeral 16 denotes a thermostat, and other components for heating and cooling the engine are the same as in the related art, and thus description thereof will be omitted.
이상과 같이 구성되는 본 발명의 작동을 설명하면 다음과 같다.Referring to the operation of the present invention configured as described above are as follows.
엔진(10)이 시동되면 연료의 연소에 의해 엔진(10)은 고온이 되지만, 실린더블럭 및 실린더헤드에 형성된 워터자켓으로 냉각수가 흘러 엔진(10)을 냉각하게 된다. 즉, 엔진을 순환한 냉각수가 일정온도 이상이 되면 서모스탯(16)이 개방되어 뜨거워진 냉각수는 라디에이터(50)로 흐르게 되고, 라디에이터(50)에서 냉각된 냉각수는 다시 엔진(10)으로 공급된다.When the engine 10 is started, the engine 10 becomes high by combustion of fuel, but coolant flows to the water jacket formed in the cylinder block and the cylinder head to cool the engine 10. That is, when the coolant circulating the engine reaches a predetermined temperature or more, the thermostat 16 is opened and the heated coolant flows to the radiator 50, and the coolant cooled in the radiator 50 is supplied to the engine 10 again. .
그리고 엔진(10)을 냉각시키며 뜨거워진 냉각수의 일부는 냉각수라인(22)을 따라 히터코어(20)로 유입되므로서 차실내를 난방할 수 있게 된다.A portion of the coolant heated while cooling the engine 10 is introduced into the heater core 20 along the coolant line 22 to heat the vehicle interior.
이 과정에서 상기 냉각수라인(22)의 도중에 형성된 EGR쿨러(30)에 의해서 냉각수라인(22)을 따라 흘러가는 냉각수는 보다 더 뜨거워지게 된다. 즉, EGR쿨러(30)는 유입라인(32)으로 공급된 배기가스의 열을 빼앗아 히터코어(20)로 유입되는 냉각수를 가열시키는 것이다.In this process, the coolant flowing along the coolant line 22 by the EGR cooler 30 formed in the middle of the coolant line 22 becomes hotter. That is, the EGR cooler 30 takes the heat of the exhaust gas supplied to the inflow line 32 to heat the cooling water flowing into the heater core 20.
이 때 EGR밸브(38)이 개방되어 있으면, EGR쿨러(30)로 유입되어 냉각된 EGR가스는 EGR공급라인(36)을 통해 흡기매니폴드(11)로 유입된다.At this time, if the EGR valve 38 is open, the EGR gas flowed into the EGR cooler 30 and cooled is introduced into the intake manifold 11 through the EGR supply line 36.
반대로 냉간 운전시 상기한 EGR밸브(38)가 닫혀 있는 상태가 되면 상기 히터콘트롤밸브(40)를 개방시켜 EGR밸브(38)의 작동여부와 관계없이 배기가스의 일부가 상기 EGR쿨러(30)의 내부를 흐르게 되어 실내 난방 및 엔진 난기에 필요한 배기가스를 확보하게 된다. 참고로 이 히터콘트롤밸브(40)는 엔진이 난기된 이후에는 터보차저 구동과 EGR에 필요한 배기가스를 확보하기 위해 개방되지 않는 것이 바람직하다.On the contrary, when the EGR valve 38 is in a closed state during cold operation, the heater control valve 40 is opened so that a part of the exhaust gas is discharged from the EGR cooler 30 regardless of whether the EGR valve 38 is operated. By flowing inside, the exhaust gas required for indoor heating and engine warming is secured. For reference, it is preferable that the heater control valve 40 is not opened to secure the exhaust gas required for the turbocharger driving and the EGR after the engine is warmed up.
이상과 같이 구성되는 본 발명은 배기가스가 EGR쿨러를 통과하면서 빼앗긴 열이 히터코어로 유입되는 냉각수에 전달되므로서 실내의 난방성능 및 엔진의 난기성능이 향상될 뿐만 아니라, 종래에 난방성능을 향상시키기 위해 구성되었던 전기히터 및 연료버너가 필요없게 되므로서 차량의 제작비용 및 부품이 절감되는 커다란 장점이 있는 것이다.The present invention configured as described above not only improves the heating performance of the room and the turbulence of the engine, but also improves the heating performance in the related art because the heat deprived while the exhaust gas passes through the EGR cooler is transferred to the cooling water flowing into the heater core. Electric heaters and fuel burners that are configured to make it unnecessary, there is a huge advantage that the manufacturing cost and parts of the vehicle is reduced.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2000-0072807A KR100394854B1 (en) | 2000-12-04 | 2000-12-04 | Vehicle cabin heater apparatus using EGR cooler |
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| KR10-2000-0072807A KR100394854B1 (en) | 2000-12-04 | 2000-12-04 | Vehicle cabin heater apparatus using EGR cooler |
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| Publication Number | Publication Date |
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| KR20020043726A true KR20020043726A (en) | 2002-06-12 |
| KR100394854B1 KR100394854B1 (en) | 2003-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100528190B1 (en) * | 2002-11-07 | 2005-11-15 | 현대자동차주식회사 | Heater performance elevation device |
| KR100589261B1 (en) * | 2004-02-18 | 2006-06-15 | 현대모비스 주식회사 | recycling system of waste gas |
| CN102146835A (en) * | 2010-02-10 | 2011-08-10 | 福特环球技术公司 | Cooling system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08165925A (en) * | 1994-12-14 | 1996-06-25 | Toyota Motor Corp | Cooling water circulating device for egr cooler of internal combustion engine |
| KR19980030188A (en) * | 1996-10-29 | 1998-07-25 | 김영귀 | Cooling device of vehicle exhaust gas recirculation device |
| KR100391410B1 (en) * | 2000-11-15 | 2003-07-16 | 기아자동차주식회사 | Exhaust gas recirculation system |
-
2000
- 2000-12-04 KR KR10-2000-0072807A patent/KR100394854B1/en not_active IP Right Cessation
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100528190B1 (en) * | 2002-11-07 | 2005-11-15 | 현대자동차주식회사 | Heater performance elevation device |
| KR100589261B1 (en) * | 2004-02-18 | 2006-06-15 | 현대모비스 주식회사 | recycling system of waste gas |
| CN102146835A (en) * | 2010-02-10 | 2011-08-10 | 福特环球技术公司 | Cooling system |
| DE102010001752A1 (en) | 2010-02-10 | 2011-08-11 | Ford Global Technologies, LLC, Mich. | Cooling system for use in internal combustion engine of hybrid vehicle, has exhaust gas recirculation radiator connected with low temperature refrigerant circuit according to termination of warming-up phase |
| DE102010001752B4 (en) * | 2010-02-10 | 2012-06-21 | Ford Global Technologies, Llc | cooling system |
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| KR100394854B1 (en) | 2003-08-19 |
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