KR20030066314A - Piston internal combustion engine - Google Patents
Piston internal combustion engine Download PDFInfo
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- KR20030066314A KR20030066314A KR1020020086941A KR20020086941A KR20030066314A KR 20030066314 A KR20030066314 A KR 20030066314A KR 1020020086941 A KR1020020086941 A KR 1020020086941A KR 20020086941 A KR20020086941 A KR 20020086941A KR 20030066314 A KR20030066314 A KR 20030066314A
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- South Korea
- Prior art keywords
- combustion engine
- internal combustion
- water
- piston type
- type internal
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Classifications
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- 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
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- 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
- F02B47/00—Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines
- F02B47/02—Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines the substances being water or steam
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
- F02B29/0406—Layout of the intake air cooling or coolant circuit
- F02B29/0437—Liquid cooled heat exchangers
- F02B29/0443—Layout of the coolant or refrigerant circuit
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- 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
- F02B29/0493—Controlling the air charge temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/022—Adding fuel and water emulsion, water or steam
- F02M25/0227—Control aspects; Arrangement of sensors; Diagnostics; Actuators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/022—Adding fuel and water emulsion, water or steam
- F02M25/025—Adding water
- F02M25/028—Adding water into the charge intakes
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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
Abstract
본 발명은 하나 이상의 터보 과급기, 그에 후속 접속된 과급 공기 냉각기, 및 NOx의 감소를 위한 물을 공급하는 장치를 구비하는 피스톤식 내연기관에 관한 것이다. 그러한 피스톤식 내연기관에서는, 적은 구조 비용 및 공간 소요로 많은 수량(水量)을 도입할 수 있도록 하기 위해 터보 과급기와 과급 공기 냉각기 사이에 물을 미세하게 분무된 액적의 형태로 과급 공기 중에 분사하는 장치가 배치되고, 적어도 과급 공기의 압력값 및 온도값을 탐지하여 과급 공기 중에서의 물의 이슬점 온도가 상회되지 않도록 분사 수량을 제어하는 제어 장치가 마련된다.The present invention relates to a piston type internal combustion engine having at least one turbocharger, a subsequently connected boost air cooler, and a device for supplying water for reducing NO x . In such a piston type internal combustion engine, a device for injecting water into the charge air in the form of finely sprayed droplets between the turbocharger and the charge air cooler so as to introduce a large quantity of water at low construction cost and space requirements. Is arranged, and a control device is provided which detects at least the pressure value and the temperature value of the boost air and controls the amount of injection so that the dew point temperature of the water in the boost air is not exceeded.
Description
본 발명은 하나 이상의 터보 과급기, 그에 후속 접속된 과급 공기 냉각기, 및 NOx의 감소를 위한 물을 공급하는 장치를 구비하는 피스톤식 내연기관에 관한 것이다.The present invention relates to a piston type internal combustion engine having at least one turbocharger, a subsequently connected boost air cooler, and a device for supplying water for reducing NO x .
본 발명의 목적은 적은 구조 비용 및 공간 소요로 많은 수량을 도입할 수 있는 그러한 유형의 피스톤식 내연기관을 제공하는 것이다.It is an object of the present invention to provide a piston type internal combustion engine of that type that can introduce large quantities at low construction costs and space requirements.
도 1은 본 발명에 따른 피스톤식 내연기관의 주요 부분을 개략적으로 나타내고 있는 도면이다.BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 schematically shows a main part of a piston type internal combustion engine according to the present invention.
<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>
1 : 과급 공기 냉각기1: supercharged air cooler
3 : 상부3: upper
4 : 하부4: lower part
6 : 분배 라인6: distribution line
7 : 분사 노즐7: spray nozzle
8 : 물 공급 라인8: water supply line
9 : 급송 펌프9: feeding pump
10 : 제어 장치10: control unit
12 : 냉각수 공급 라인12: cooling water supply line
13 : 냉각수 배출 라인13: coolant discharge line
14 : 접속 라인14: connection line
15 : 제어 밸브15: control valve
그러한 목적은, 본 발명에 따라 터보 과급기와 과급 공기 냉각기 사이에 물을 미세하게 분무된 액적의 형태로 과급 공기 중에 분사하는 장치가 배치되고, 적어도 과급 공기의 압력값 및 온도값을 탐지하여 과급 공기 중에서의 물의 이슬점 온도가 상회되지 않도록 분사 수량을 제어하는 제어 장치가 마련되도록 함으로써 달성된다.Such an object is arranged according to the invention in which a device for injecting water into the boost air in the form of finely sprayed droplets between the turbocharger and the boost air cooler is arranged, at least by detecting the pressure value and temperature value of the boost air. This is achieved by providing a control device for controlling the amount of injection so that the dew point temperature of the water in the water does not exceed.
액적 형태의 물이 내연 기관에 도달될 수 없게 한다고 하는 또 다른 장점을 찾을 수 있다. 즉, 부식 문제가 회피된다.Another advantage is that water in the form of droplets cannot reach the internal combustion engine. That is, the corrosion problem is avoided.
물 분사 장치는 과급 공기 냉각기의 상부에 배치되는 것이 바람직하다. 그럼으로써, 물이 과급 공기 냉각기에서 기화될 수 있게 된다.The water jet device is preferably arranged on top of the supercharged air cooler. Thereby, water can be vaporized in the supercharged air cooler.
물 분사 장치의 물 공급 라인에는 통과되는 수량을 조절하는 장치가 배치되는 것이 바람직하다. 이에 의하여, 분사 수량이 간단하게 조절될 수 있게 된다.The water supply line of the water injection device is preferably arranged to adjust the amount of water passed. Thereby, the injection quantity can be adjusted simply.
본 발명의 또 다른 구성에 따르면, 통과되는 수량을 조절하는 장치는 제어 장치에 의해 제어 작동된다. 그러한 구성에서는 내연 기관의 각각의 작동 상황에 맞춰진 최대 수량이 분사될 수 있게 된다.According to another configuration of the invention, the device for adjusting the amount of water passed is controlled by the control device. In such a configuration a maximum quantity can be injected which is adapted to the respective operating situation of the internal combustion engine.
가능한 한 많은 수량(水量)이 분사될 수 있도록 하기 위해, 본 발명의 구성에 따라 내연 기관에 공급되는 과급 공기의 온도를 상승시키는 장치가 마련된다.In order to be able to inject as much water as possible, a device is provided which raises the temperature of the boost air supplied to the internal combustion engine according to the configuration of the present invention.
본 발명의 또 다른 특징 및 장점은 본 발명의 나머지 종속 청구항들 및 첨부 도면에 의거하여 이루어지는 실시예에 관한 설명으로부터 명확해질 것이다.Further features and advantages of the invention will be apparent from the description of the embodiments made on the basis of the remaining dependent claims of the invention and the accompanying drawings.
첨부 도면에는 과급 공기 냉각기가 전체적으로 도면 부호 "1"로 지시되어 있다. 터보 과급기로부터 나오는 과급 공기는 라인(2)을 통해 과급 공기 냉각기(1)의 상부(3)에 공급된다. 이어서, 과급 공기는 냉각 적층 판을 갖춘 과급 공기 냉각기의 하부(4)를 통해 피스톤식 내연기관의 실린더로 안내되는 라인(5)으로 통과된다.In the accompanying drawings, the booster air cooler is generally designated by the numeral "1". The charge air coming from the turbocharger is supplied via line 2 to the top 3 of the charge air cooler 1. The boost air is then passed through the lower portion 4 of the boost air cooler with the cooling laminate to the line 5 which is led to the cylinder of the piston type internal combustion engine.
과급 공기 냉각기(1)의 상부(3)에는 라인(2)의 입구 위에 배치된 하나 이상의 분사 노즐을 구비하는 물 분사 장치가 배치되어 있다. 본 실시예에서는 상부(3)의 유입구 위에 2개의 분배 라인(6)이 라인(2)의 축 방향과 평행하게 배치되어 있다. 그러나, 노즐(7)을 구비한 다수의 분배 라인(6)이 배치되어 물을 상부(3) 전체에 균일하게 분사할 수도 있다. 선택적으로, 터보 과급기와 과급 공기 냉각기 사이의 라인(2)에 하나 이상의 분사 노즐이 마련될 수도 있다. 분배 라인(6)에는 물 공급 라인(8)을 경유하여 물이 공급된다.At the top 3 of the supercharged air cooler 1 is arranged a water jet device with one or more jet nozzles arranged above the inlet of the line 2. In this embodiment, two distribution lines 6 are arranged parallel to the axial direction of the line 2 on the inlet of the upper part 3. However, a plurality of dispensing lines 6 with nozzles 7 may be arranged to evenly spray water throughout the top 3. Alternatively, one or more injection nozzles may be provided in line 2 between the turbocharger and the charge air cooler. The distribution line 6 is supplied with water via the water supply line 8.
물 공급 라인(8)에는 통과되는 물의 양을 조절하는 장치가 배치되어 있다. 여기에서, 그러한 장치는 급송량이 가변적인 급송 펌프(9)로서 형성된다. 선택적으로, 급송량을 변경하는 밸브가 배치될 수도 있다.In the water supply line 8 there is arranged a device for adjusting the amount of water passed. Here, such a device is formed as a feeding pump 9 in which the feeding amount is variable. Optionally, a valve for changing the feeding amount may be arranged.
물 공급 라인(8)을 통해 통과되는 물의 양을 조절하기 위해, 제어 장치(10)가 마련되는데, 가장 간단한 경우에는 과급 공기의 온도값 및 압력값이 그 제어 장치(10)에 입력된다. 이에 의하여, 이슬점 온도를 넘지 않고서 기화될 수 있는 최대 수량이 제공된다. 첨가하려는 물의 양을 정확하게 제어하기 위하여, 터보 과급기에 의해 흡입되는 주위 공기의 온도, 압력, 및 상대 습도와, 내연 기관의 순간 회전 속도 및 출력과 같은 값이 제어 장치(10)에 추가로 입력될 수 있다.In order to regulate the amount of water passing through the water supply line 8, a control device 10 is provided, in which in the simplest case the temperature and pressure values of the charge air are input to the control device 10. This provides the maximum quantity that can be vaporized without exceeding the dew point temperature. In order to precisely control the amount of water to be added, values such as the temperature, pressure, and relative humidity of the ambient air sucked by the turbocharger and the instantaneous rotational speed and output of the internal combustion engine can be further input to the control device 10. Can be.
가능한 한 많은 수량이 분사될 수 있도록 하기 위해, 과급 공기 냉각기(1)로부터 라인(5)을 통해 나오는 과급 공기의 상승된 온도로 작업을 행하는 것이 바람직하다. 그것은 내연 기관에 공급되는 과급 공기의 온도를 상승시키는 장치가 마련되도록 함으로써 달성된다. 이를 위해, 본 실시예에서는 급송 펌프(11)를 수납하고 과급 공기 냉각기(1)의 하부(4)에 냉각수를 공급하는 냉각수 공급 라인(12)과 냉각수 배출 라인(13) 사이에 접속 라인(14)이 마련되어 있다. 흐름 방향으로 급송 펌프(11)의 전방에서 냉각수 공급 라인(12)과 연통되는 것이 바람직한 접속 라인(14)이 제어 밸브(15)를 수납한다. 즉, 그러한 장치에 의해, 고온 냉각수 중의 조절 가능한 일부가 저온 냉각수에 첨가 혼합되어 그 온도가 상승될 수 있게 된다. 그 결과, 과급 공기 냉각기(1)를 통해 나오는 과급 공기가 덜 냉각되어 이슬점 온도를 상회하는 일이 없이 다수의 물이 흡수될 수 있게 된다. 제어 밸브(15)도 역시 제어 장치(10)에 의해 제어 작동된다. 특히, 여기에서는 과급 공기의 최대 온도까지도 조절되어 피스톤식 내연기관의 열적 과부하를 방지하게 된다.In order to be able to inject as much water as possible, it is desirable to work with the elevated temperature of the boost air exiting the line 5 from the boost air cooler 1. This is achieved by having a device for raising the temperature of the boost air supplied to the internal combustion engine. To this end, in this embodiment, a connection line 14 is provided between the cooling water supply line 12 and the cooling water discharge line 13 which accommodates the feeding pump 11 and supplies the cooling water to the lower portion 4 of the supercharged air cooler 1. ) Is provided. The connection line 14, which preferably communicates with the cooling water supply line 12 in front of the feed pump 11 in the flow direction, houses the control valve 15. That is, by such an apparatus, an adjustable portion of the high temperature cooling water is added and mixed with the low temperature cooling water so that the temperature can be raised. As a result, the boost air coming out through the boost air cooler 1 is cooled less so that a large number of water can be absorbed without exceeding the dew point temperature. The control valve 15 is also controlled by the control device 10. In particular, even the maximum temperature of the charge air is regulated here to prevent thermal overload of the piston type internal combustion engine.
분사 노즐(7)로부터 연속적으로 나오는 물방울은 대부분 고온 과급 공기 중에 바로 기화된다. 나머지는 하부(4)의 냉각 적층 판을 통과하는 중에 기화된다. 그것은 한편으로 적층 판의 엠보싱에 의해 생성되는 높은 난류에 의거하여 이루어지게 된다. 다른 한편으로는, 물방울이 적층 판 상에 결로(結露)되어 그 곳에 막을 형성하고, 그러한 형식으로 기화되게 된다.Most of the water droplets continuously discharged from the injection nozzle 7 are vaporized directly in the hot charging air. The remainder is vaporized while passing through the cold laminated plate of the lower part 4. It is achieved on the one hand on the basis of the high turbulence generated by the embossing of the laminate. On the other hand, water droplets condensate on the laminated plate to form a film there and vaporize in such a manner.
냉각수 배출 라인(13)을 통해 나오는 냉각수를 냉각시키기 위해, 열 교환기(16)가 마련되는데, 그 열 교환기(16)의 적층 판에는 냉수, 예컨대 해수가 펌핑된다.In order to cool the cooling water exiting the cooling water discharge line 13, a heat exchanger 16 is provided, in which the laminated plate of the heat exchanger 16 is pumped with cold water, for example seawater.
전술된 설명으로부터 알 수 있는 바와 같이, 본 발명은 도시된 실시예로 한정되지 않는다.As can be seen from the above description, the present invention is not limited to the illustrated embodiment.
본 발명에 따른 피스톤식 내연기관에서는, 터보 과급기와 과급 공기 냉각기 사이에 물을 미세하게 분무된 액적의 형태로 과급 공기 중에 분사하는 장치가 배치되고, 적어도 과급 공기의 압력값 및 온도값을 탐지하여 과급 공기 중에서의 물의 이슬점 온도가 상회되지 않도록 분사 수량을 제어하는 제어 장치가 마련되도록 함으로써, 적은 구조 비용 및 공간 소요로 많은 수량을 도입할 수 있게 된다.In the piston type internal combustion engine according to the present invention, a device for injecting water into the boost air in the form of finely sprayed droplets is disposed between the turbocharger and the boost air cooler, and detects at least the pressure value and temperature value of the boost air. By providing a control device for controlling the quantity of injection so that the dew point temperature of the water in the boost air is not exceeded, a large amount of water can be introduced at a low construction cost and space.
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE10204181A DE10204181C1 (en) | 2002-02-01 | 2002-02-01 | Motor vehicle reciprocating piston internal combustion engine, has water injector between turbocharger and intercooler to reduce pollution |
DE10204181.4 | 2002-02-01 |
Publications (1)
Publication Number | Publication Date |
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KR20030066314A true KR20030066314A (en) | 2003-08-09 |
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KR1020020086941A KR20030066314A (en) | 2002-02-01 | 2002-12-30 | Piston internal combustion engine |
Country Status (3)
Country | Link |
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KR (1) | KR20030066314A (en) |
DE (1) | DE10204181C1 (en) |
FI (1) | FI20030050A (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101936235B (en) * | 2009-06-29 | 2015-06-17 | H·塞吉尔斯基-服务有限公司 | Method for defining operation parameters of piston-cylinder jacket unit |
DE102009046120A1 (en) | 2009-10-28 | 2011-05-12 | Ford Global Technologies, LLC, Dearborn | Method for humidifying intake air of combustion engine, particularly diesel engine, involves determining humidity of intake air, where liquid is injected into intake air depending on humidity of intake air |
DE102012202220B4 (en) | 2012-02-14 | 2014-05-15 | Ford Global Technologies, Llc | Dilution of the gas in an intake manifold by water injection |
US10215135B2 (en) | 2016-07-22 | 2019-02-26 | Ford Global Technologies, Llc | System and methods for extracting water from exhaust gases for water injection |
US9874163B1 (en) | 2016-08-02 | 2018-01-23 | Ford Global Technologies, Llc | Methods and system for adjusting engine operation based on evaporated and condensed portions of water injected at an engine |
US9976502B2 (en) | 2016-08-02 | 2018-05-22 | Ford Global Technologies, Llc | Methods and system for injecting water at different groups of cylinders of an engine |
US10184429B2 (en) | 2016-08-02 | 2019-01-22 | Ford Global Technologies, Llc | Methods and system for selecting a location for water injection in an engine |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US5125377A (en) * | 1991-11-25 | 1992-06-30 | Mezheritsky Anatoly D | Apparatus to clean an engine without dismantling the engine |
DK170217B1 (en) * | 1993-06-04 | 1995-06-26 | Man B & W Diesel Gmbh | Large pressurized internal combustion engine and method of operating a cooler for cooling such engine's intake air. |
US6035834A (en) * | 1997-02-10 | 2000-03-14 | Industrial Power Generating Corporation | Nitrogen oxides reducing aftercooler for turbocharged engines |
DE19750181C2 (en) * | 1997-11-13 | 2000-06-21 | Munters Euroform Gmbh Carl | Device for supplying steam to the intake air of an internal combustion engine |
DE19938292A1 (en) * | 1999-08-12 | 2001-02-15 | Munters Euroform Gmbh Carl | Device for humidifying the intake air of internal combustion engines with a turbocharger |
-
2002
- 2002-02-01 DE DE10204181A patent/DE10204181C1/en not_active Revoked
- 2002-12-30 KR KR1020020086941A patent/KR20030066314A/en not_active Application Discontinuation
-
2003
- 2003-01-14 FI FI20030050A patent/FI20030050A/en unknown
Also Published As
Publication number | Publication date |
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DE10204181C1 (en) | 2003-10-09 |
FI20030050A (en) | 2003-08-02 |
FI20030050A0 (en) | 2003-01-14 |
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