KR100256923B1 - Perfect combustion apparatus of diesel internal engine - Google Patents

Perfect combustion apparatus of diesel internal engine Download PDF

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Publication number
KR100256923B1
KR100256923B1 KR1019960056978A KR19960056978A KR100256923B1 KR 100256923 B1 KR100256923 B1 KR 100256923B1 KR 1019960056978 A KR1019960056978 A KR 1019960056978A KR 19960056978 A KR19960056978 A KR 19960056978A KR 100256923 B1 KR100256923 B1 KR 100256923B1
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South Korea
Prior art keywords
heat
diesel internal
heating
engine
cylinder
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KR1019960056978A
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Korean (ko)
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KR19980038117A (en
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여훈
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여훈
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Priority to KR1019960056978A priority Critical patent/KR100256923B1/en
Priority to PCT/KR1997/000226 priority patent/WO1998022702A1/en
Publication of KR19980038117A publication Critical patent/KR19980038117A/en
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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
    • F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
    • F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
    • F02M31/04—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture
    • F02M31/042—Combustion air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • 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
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • 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
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • 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

PURPOSE: A system for complete combustion of a diesel internal combustion engine is provided to absorb heat at an explosion stroke with heating plates for increasing the temperature of air introduced again at a next stroke, thereby increasing the combustion efficiency and the engine output. CONSTITUTION: A system for complete combustion of a diesel internal combustion engine includes heating plates(6) formed of a specific heat-resistant alloy steel with an outer diameter slightly larger than an inner diameter of each cylinder and mounted between a head gasket and a cylinder head, wherein the heating plate is formed with a plurality of heating protrusions(9) inwardly on an inner periphery in any other parts than a space part(8), in which suction and discharge valves operate, for heating air to be introduced again after being discharged with absorption of heat at an explosion stroke.

Description

디이젤 내연기관의 완전연소 장치Complete combustion device of diesel internal combustion engine

제1도는 본발명의 사시도.FIG. 1 is a perspective view of the present invention. FIG.

제2도는 본발명의 설치된 상태를 나타낸 디이젤 기관의 단면도.FIG. 2 is a sectional view of a diesel engine showing the installed state of the present invention. FIG.

제3도는 본발명이 조립되는 상태를 나타낸 디이젤 기관의 분해사시도.FIG. 3 is an exploded perspective view of a diesel engine showing a state in which the present invention is assembled. FIG.

* 도면의 주요부분에 대한 부호의 설명DESCRIPTION OF THE REFERENCE NUMERALS

1 : 실린더 블럭 2 : 실린더 헤드1: Cylinder block 2: Cylinder head

3 : 헤드가스켓 4 : 디이젤기관3: Head gasket 4: Diesel engine

6 : 방열판 8 : 공간부6: heat sink 8:

9 : 방열돌편9: Heat shield

본발명은 디이젤 내연기관등의 완전연소장치에 관한것으로서, 구체적으로는 자동차, 농기계, 선박등의 디이젤 기관등에 특수내열성 5종합금강으로 된 방열판을 헤드가스켓과 실린더헤드 사이에 장착함으로써, 폭발시의 고열을 상기 방열판이 흡수하였다가 배기후 다음행정때 흡입되는 공기온도를 크게 높임으로써 완전연소가 되도록 한 것인데, 이러한 작용으로 97% 이상의 완전연소가 되게끔하여 연소효율 및 출력증강을 도모하고, 그을음 및 매연을 감소시킴과 동시에 실린더내에 부착되어 있는 미세한 카본을 상당량 제거시킴으로써 엔진오일과 엔진자체의 수명을 획기적으로 연장시킬수 있도록 한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a complete combustion apparatus such as a diesel internal combustion engine, and more particularly, to a diesel engine such as an automobile, an agricultural machine, a ship, etc. by mounting a heat- The heat sink is absorbed by the heat sink, and the temperature of the air sucked in the next stroke after the exhaust is greatly increased, thereby achieving complete combustion. By this action, the combustion efficiency and the power output are increased by 97% And the amount of fine carbon adhering to the inside of the cylinder is largely removed, so that the service life of the engine oil and the engine itself can be remarkably prolonged.

주지된 바와같이 디이젤 기관은 별도의 점화장치없이 피스톤의 작용에 의한 압축열로 폭발되도록 한 것이데, 압축시의 공기온도가 낮을경우 완전한 연소가 이루어지지 못하므로 출력이 떨어지게 되고 그에따라 연료가 불필요하게 많이 소모되며 완전히 연소되지 못한 연료는 매연이 되어 배출되는 등의 문제점이 있었던 것이다.As is well known, the diesel engine is made to explode with compressed heat due to the action of the piston without a separate ignition device. When the temperature of the air at the time of compression is low, complete combustion can not be achieved and the output is lowered. And the fuel that has not been completely burned is exhausted as soot.

따라서 디이젤 기관에 있어서는 압축시의 공기온도를 완전연소에 필요한 만큼 높여주는 조건이 필수적이라 할수 있는데, 이를 달성하기 위하여 흡입공기가 실린더내로 흡입되기전에 미리 가열시키는 예열장치를 두거나, 분사되는 연료의 일부를 미리 연소시켜 고온고압을 얻는 예연소실을 두는 등의 방법이 강구되기도 하였으나 현재까지의 디이젤 기관에서 얻을수 있는 압축시의 공기온도는 대개가 400-500℃를 넘지 못하였던 것이며, 이처럼 미흡한 온도때문에 연소효율이 높지 못하므로 연료의 과다소모와 매연발생이 큰 과제로 남아있을 뿐아니라 결과적으로는 엔진의 수명을 크게 단축시키는 문제로 이어졌던 것이다.Therefore, in a diesel engine, it is necessary to raise the temperature of the air at the time of compression as much as necessary for complete combustion. To achieve this, a preheating device for preheating the intake air before it is sucked into the cylinder, A precombustion chamber in which a high temperature and high pressure is obtained by burning in advance has been proposed. However, the air temperature at the time of compression which can be obtained from the diesel engine up to now is usually not higher than 400-500 ° C., As the efficiency is not high, the excessive consumption of the fuel and the generation of the soot remain as a big problem, and as a result, the life of the engine is shortened.

따라서 본발명은 전술한 문제점들을 충분히 감안하여 폭발시의 고온(약1200℃)을 흡수하였다가 배기후 다시흡입되는 공기를 최대한 가열할수 있는 장치를 안출한것으로서, 압축시의 공기 온도를 650℃까지 상승시켜 97% 이상의 연소효율을 얻을 수 있고, 이에따라 출력증강과 연료절감 및 매연감소등의 효과를 가져올수 있는 것의 제공을 그 목적으로 한 것인바, 이하 첨부된 도면에 의거 이의 구성을 상세히 설명하면 다음과 같다.Accordingly, it is an object of the present invention to provide a device capable of absorbing a high temperature (about 1200 ° C) at the time of explosion and heating the air sucked again after exhaustion, The combustion efficiency can be increased to 97% or more, thereby improving the output, reducing fuel consumption, and reducing the amount of soot. Therefore, the following description will be given in detail with reference to the accompanying drawings. As follows.

본발명은 실린더 블럭(1)과 실린더 헤드(2) 및 헤드가스켓(3)으로 구성되는 디이젤기관(4)에 있어서, 헤드가스켓(3)과 실린더 헤드(2) 사이에 실린더(5) 내경보다 조금큰 특수내열성 5종 합금강으로 된, 두께, 0.2m/m 가량의 방열판(6)을 삽착하되, 방열판(6)에는 흡.배기 밸브(7)(7a)가 작용할 공간부(8)를 제외한 나머지 부분에 다수개의 방열돌편(9)을 내향 형성하여 폭발시 발생되는 1200℃ 가량의 고열을 흡수하였다가 배기후 다시 흡입되는 공기를 최대한 가열할수 있도록 한 구성이다.The present invention relates to a diesel engine comprising a cylinder block (1), a cylinder head (2) and a head gasket (3) A heat sink 6 of a thickness of about 0.2 m / m, which is made of a slightly larger special heat resistant five-kind alloy steel, is inserted into the heat sink 6. The heat sink 6 is provided with a space 8, And a plurality of heat-radiating protrusions 9 are formed inwardly in the remaining portion to absorb the high temperature of about 1200 ° C. generated during the explosion, and the air sucked again after the exhaustion can be heated as much as possible.

그리고 5종 합금강으로 된 방열판(6)은 철(Fe) 약 60-70%가량, 크롬(Cr) 약 20% 가량, 니켈(Ni)약 5%가량, 구리(Cu) 약 5% 가량, 알루미늄(Al) 약 3%가량을 혼합시킨 합금강이지만 반드시 이러한 구성요소와 비율에 스스로 제한되지 아니함을 첨언한다.The heat sink 6 made of a five-kind alloy steel contains about 60-70% of iron (Fe), about 20% of chromium (Cr), about 5% of nickel (Ni), about 5% (Al) and about 3% of the alloy steel, but it is not necessarily limited to these components and ratios.

다시말해 철, 크롬, 니켈의 3종 정도로서도 방열판을 형성할수 있다는 것인데, 다만, 이럴경우에는 상기 5종합금강으로 된 방열판보다는 폭발시의 고온흡수율이 약간 낮아질수도 있다는 정도이지 흡입되는 공기를 크게 높일수 있음에는 아무런 문제가 없는 것이다.In other words, it is possible to form a heat sink by three kinds of iron, chromium, and nickel. However, in this case, the heat absorption rate at the time of explosion may be slightly lower than the heat sink made of the above- There is no problem with it.

한편, 디이젤기관 내부는 매우 좁기 때문에 방열판(6)의 두께가 두터울 경우에는 실린더헤드(2)에 닿일 우려가 있을뿐만아니라 흡.배기작용시 찰그락 거리는 마찰소음이 생겨날수도 있으므로 가능한한 두께는 0.6m/m이하로 하되, 가장 바람직한 두께인 0.2m/m내외의 범위로 함이 필요할듯하며(두께가 1m/m이상되면 소음이 발생될 우려가 높기 때문임) 이밖에도 본발명에 따른 연소장치는 디이젤기관뿐만아니라 가솔린엔진기관에도 설치하여 사용할 수도 있음을 부연한다.On the other hand, since the inside of the diesel engine is very narrow, when the thickness of the heat sink 6 is too thick, it may touch the cylinder head 2 and friction noise may be generated during suction and exhaust. It is necessary to set the thickness to about 0.6 m / m or less, and the most preferable thickness is about 0.2 m / m. (If the thickness is more than 1 m / m, noise is likely to be generated. It is also noted that the engine can be installed in a gasoline engine as well as a diesel engine.

미설명된 부호 10은 피스톤, 11은 노즐이다.Reference numeral 10 is a piston, and reference numeral 11 is a nozzle.

이러한 구성으로 된 본발명의 작용을 살펴보면, 흡기밸브(7)를 통하여 실린더 (5)내에 공기가 흡입된 상태에서 피스톤(10)이 상승하여 공기를 압축하게 되고, 압축행정이 끝날무렵에 연료가 분사되어 압축열에 의한 자연발화로 폭발되는 것인데, 이때 1200℃에 달하는 고열이 발산되고 이러한 폭발열의 일부가 연소실 상단(헤드가스켓과 실린더헤드 사이)에 위치한 방열판(6)의 방열돌편(9)에 흡수되는 것이다.The operation of the present invention having such a configuration will be described below. When the air is sucked into the cylinder 5 through the intake valve 7, the piston 10 rises and compresses the air. At the end of the compression stroke, At this time, a high temperature of 1200 DEG C is emitted and a part of the explosion heat is absorbed by the heat dissipating protrusion 9 of the heat sink 6 located at the top of the combustion chamber (between the head gasket and the cylinder head) .

폭발행정 및 배기행정이 끝나고 새로운 공기가 흡입되는데, 이때 방열판(6)이 머금은 열에의해 흡입된 공기가 순간적으로 가열되며 그 상태에서 압축행정이 시작되어 분사될 시점에 다다르면 압축된 공기의 온도가 650℃까지 상승하게 되는 것이다.At this time, the air sucked by the heat of the heat radiating plate 6 is instantaneously heated, and when the compression stroke starts and the temperature of the compressed air reaches 650 Lt; 0 > C.

압축행정이 끝날무렵 압축된 공기의 온도가 최고에 이르렀을때 노즐(11)에 의해 분사가 시작되는데 높은온도와 고압에 의해 연료가 더욱 미세화된 상태가 되며 점화되면 빠른속도로 연소될수가 있는 것이다.When the temperature of the compressed air reaches the maximum at the end of the compression stroke, the fuel is started to be injected by the nozzle 11, and the fuel becomes finer due to high temperature and high pressure. .

이러한 작용을 하는 본발명에 따르면 압축시의 공기온도를 650℃에 이르는 고온과 고압상태를 만들어준 다음 연료분사 및 점화가 이루어지므로 97%이상의 완전연소가 될수 있고, 연소효율의 증대에 따라 출력의 증강과 연료의 절감은 물론, 매연이 크게 감소하며 엔진의 소음 및 진동 또한 크게 감소시킴으로써 엔진의 수명역시 획기적으로 연장시킬수 있는 등 그 효과가 매우 뛰어난 발명인 것이며, 특히 본발명의 장착으로 인한 연료절감효과는 약 15-20%가량되는 것으로 확인되고 있어 본발명의 유용성은 극히 다대한것으로 사료된다.According to the present invention having such an action, since the air temperature at the time of compression is made high temperature and high pressure state up to 650 ° C., fuel injection and ignition are performed, and therefore, the combustion can be completed to 97% or more. The present invention is an extremely superior invention of the present invention because it greatly reduces the noise and vibration of the engine and significantly extends the life of the engine. Is about 15-20%, which is very useful for the present invention.

Claims (1)

실린더 블럭(1)과 실린더 헤드(2) 및 헤드가스켓(3)으로 구성되는 디이젤기과 (4)에 있어서, 헤드가스켓(3)과 실린더 헤드(2) 사이에 실린더(5) 내경보다 조금큰 특수내열성 합금강으로 된 방열판(6)을 삽착하되, 방열판(6)에는 흡배기 밸브(7)(7a)가 작용할 공간부(8)를 제외한 나머지 부분에 다수개의 방열돌편(9)을 내향 형성하여 폭발시의 열을 흡수하였다가 배기후 다시 흡입되는 공기를 가열할수 있도록 구성함을 특징으로 하는 디이젤 내연기관의 완전연소 장치.A diesel engine 4 composed of a cylinder block 1, a cylinder head 2 and a head gasket 3 is provided between the head gasket 3 and the cylinder head 2, A plurality of heat dissipating protrusions 9 are formed inward in the heat dissipating plate 6 except for the space 8 where the intake and exhaust valves 7 and 7a are to be operated, And the air sucked back after the exhaust is heated. The complete combustion apparatus of a diesel internal combustion engine according to claim 1,
KR1019960056978A 1996-11-20 1996-11-20 Perfect combustion apparatus of diesel internal engine KR100256923B1 (en)

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Application Number Priority Date Filing Date Title
KR1019960056978A KR100256923B1 (en) 1996-11-20 1996-11-20 Perfect combustion apparatus of diesel internal engine
PCT/KR1997/000226 WO1998022702A1 (en) 1996-11-20 1997-11-20 Complete combustion mechanism for diesel engine

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Application Number Priority Date Filing Date Title
KR1019960056978A KR100256923B1 (en) 1996-11-20 1996-11-20 Perfect combustion apparatus of diesel internal engine

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KR19980038117A KR19980038117A (en) 1998-08-05
KR100256923B1 true KR100256923B1 (en) 2000-05-15

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