KR102617973B1 - A Dual Fuel Engine Assembly for Vessel - Google Patents
A Dual Fuel Engine Assembly for Vessel Download PDFInfo
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- KR102617973B1 KR102617973B1 KR1020210170701A KR20210170701A KR102617973B1 KR 102617973 B1 KR102617973 B1 KR 102617973B1 KR 1020210170701 A KR1020210170701 A KR 1020210170701A KR 20210170701 A KR20210170701 A KR 20210170701A KR 102617973 B1 KR102617973 B1 KR 102617973B1
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- South Korea
- Prior art keywords
- unit
- liquefied gas
- gasoline
- engine
- fuel
- Prior art date
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 61
- 230000009977 dual effect Effects 0.000 title claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 42
- 238000001514 detection method Methods 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000007789 gas Substances 0.000 description 71
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/38—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
- B63B17/0027—Tanks for fuel or the like ; Accessories therefor, e.g. tank filler caps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
- B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
- B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
- B63B25/16—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed heat-insulated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
- B63H21/14—Use of propulsion power plant or units on vessels the vessels being motor-driven relating to internal-combustion engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0602—Control of components of the fuel supply system
- F02D19/0613—Switch-over from one fuel to another
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0639—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels
- F02D19/0642—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels at least one fuel being gaseous, the other fuels being gaseous or liquid at standard conditions
- F02D19/0647—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels at least one fuel being gaseous, the other fuels being gaseous or liquid at standard conditions the gaseous fuel being liquefied petroleum gas [LPG], liquefied natural gas [LNG], compressed natural gas [CNG] or dimethyl ether [DME]
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C9/00—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/06—Fluid distribution
- F17C2265/066—Fluid distribution for feeding engines for propulsion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0102—Applications for fluid transport or storage on or in the water
- F17C2270/0105—Ships
-
- 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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
-
- 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
- Y02T70/00—Maritime or waterways transport
- Y02T70/50—Measures to reduce greenhouse gas emissions related to the propulsion system
- Y02T70/5218—Less carbon-intensive fuels, e.g. natural gas, biofuels
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
본 발명은 선박용 이중연료 엔진 조립체에 관한 것으로, 그 구성은, 연료의 가열에 의하여 동력을 발생시키는 엔진부와, 내부에 공간이 마련되어 가솔린 연료를 저장하는 가솔린탱크부와, 내부에 공간이 마련되어 액화가스 연료를 저정하는 액화가스탱크부와, 상기 가솔린탱크부와 상기 엔진부 사이에 마련되어 상기 가솔린탱크부의 가솔린을 상기 엔진부에 공급하는 가솔린공급모듈과, 상기 액화가스탱크부와 상기 엔진부 사이에 마련되어 상기 액화가스탱크부의 액화가스를 상기 엔진부에 공급하는 액화가스공급모듈과, 상기 가솔린공급모듈의 상기 액화가스공급모듈로부터 이송되는 각각 연료를 상기 엔진부로 안내하는 흡기매니폴더와, 상기 엔진부, 상기 가솔린공급모듈, 상기 액화가스공급모듈을 제어하는 제어부;를 포함하는 것을 특징으로 한다. The present invention relates to a dual fuel engine assembly for ships, which consists of an engine part that generates power by heating fuel, a gasoline tank part with a space inside to store gasoline fuel, and a space inside with a space for liquefaction. A liquefied gas tank unit storing gas fuel, a gasoline supply module provided between the gasoline tank unit and the engine unit to supply gasoline from the gasoline tank unit to the engine unit, and a gasoline supply module provided between the liquefied gas tank unit and the engine unit. A liquefied gas supply module provided to supply the liquefied gas of the liquefied gas tank to the engine unit, an intake manifold to guide each fuel transferred from the liquefied gas supply module of the gasoline supply module to the engine unit, and the engine unit , a control unit that controls the gasoline supply module and the liquefied gas supply module.
Description
본 발명은 선박용 엔진 조립체에 관한 것으로, 더욱 상세하게는 가솔린연료와 액화가스연료를 이중으로 안전하게 사용할 수 있는 선박용 이중 연료 엔진 조립체에 관한 것이다. The present invention relates to a marine engine assembly, and more specifically, to a marine dual-fuel engine assembly that can safely use both gasoline fuel and liquefied gas fuel.
천연가스는 가솔린과 디젤이 비하여 상대적으로 깨끗한 연료이다. 배출가스에 대한 관심증가와 연료효율에 대한 관심은 프로판, 수소가스 또는 천연가스에 대한 연구를 증대시켰다. Natural gas is a relatively clean fuel compared to gasoline and diesel. Growing concerns about emissions and fuel efficiency have led to increased research on propane, hydrogen gas or natural gas.
선박에 사용되는 엔진에서도 마찬가지이다. 선박에서는 지상에서의 차량 등에 비하여 엔진의 효율이 떨어진다. 이는 여러가지 환경오염의 문제를 야기하게 된다. 이로 인하여, 가솔린연료의 사용 증가로 인하여 선박운영에 있어서 비용이 증가되는 문제점이 있었다. The same applies to engines used in ships. The efficiency of engines on ships is lower than on vehicles on land. This causes various environmental pollution problems. As a result, there was a problem of increased costs in ship operation due to increased use of gasoline fuel.
상술한 문제점을 해결하기 위한 것으로, 본 발명의 목적은 가솔린연료와 액화가스를 이중으로 사용할 수 있는 선박용 이중 연료 엔진 조립체를 제공하는 것이다. In order to solve the above-mentioned problems, the purpose of the present invention is to provide a dual fuel engine assembly for ships that can dually use gasoline fuel and liquefied gas.
상술한 목적을 달성하기 위한 것으로, 본 발명인 선박용 이중 연료 엔진 조립체는, 연료의 가열에 의하여 동력을 발생시키는 엔진부와, 내부에 공간이 마련되어 가솔린 연료를 저장하는 가솔린탱크부와, 내부에 공간이 마련되어 액화가스 연료를 저정하는 액화가스탱크부와, 상기 가솔린탱크부와 상기 엔진부 사이에 마련되어 상기 가솔린탱크부의 가솔린을 상기 엔진부에 공급하는 가솔린공급모듈과, 상기 액화가스탱크부와 상기 엔진부 사이에 마련되어 상기 액화가스탱크부의 액화가스를 상기 엔진부에 공급하는 액화가스공급모듈과, 상기 가솔린공급모듈의 상기 액화가스공급모듈로부터 이송되는 각각 연료를 상기 엔진부로 안내하는 흡기매니폴더와, 상기 엔진부, 상기 가솔린공급모듈, 상기 액화가스공급모듈을 제어하는 제어부를 포함하는 것을 특징으로 한다. In order to achieve the above-mentioned object, the present invention, a dual fuel engine assembly for a ship, includes an engine part that generates power by heating the fuel, a gasoline tank part with a space inside to store gasoline fuel, and a space inside the engine part. A liquefied gas tank unit provided to store liquefied gas fuel, a gasoline supply module provided between the gasoline tank unit and the engine unit to supply gasoline from the gasoline tank unit to the engine unit, and the liquefied gas tank unit and the engine unit. A liquefied gas supply module provided between the liquefied gas tank unit and supplying liquefied gas to the engine unit, an intake manifold guiding fuel transferred from the liquefied gas supply module of the gasoline supply module to the engine unit, and It is characterized by comprising a control unit that controls the engine unit, the gasoline supply module, and the liquefied gas supply module.
상기 흡기매니폴더는, 원통형상으로 형성되며, 상방향으로 가솔린연료가 주입되는 가솔린인젝터부와, 원통형상으로 형성되어, 상기 가솔린인젝터부의 하단이 상방향으로 삽입되고, 하방은 상기 엔진부에 연통되며, 측면에 액화가스연료가 주입되는 연료주입구가 형성되는 액화가스어댑터부를 포함하는 것을 특징으로 한다. The intake manifold is formed in a cylindrical shape, has a gasoline injector part through which gasoline fuel is injected upward, and is formed in a cylindrical shape, the lower end of the gasoline injector part is inserted upward, and the lower part is connected to the engine part. It is characterized in that it includes a liquefied gas adapter portion in which a fuel inlet through which liquefied gas fuel is injected is formed on the side.
상기 액화가스공급모듈에는 히팅부가 더 마련되고, 상기 히팅부는, 원통형상으로 형성되어, 일단에서 액화가스가 유입되고 타단으로 액화가스가 배출되는 히팅몸체부와, 상기 히팅몸체부의 표면을 가열하는 표면히팅부와, 상기 히팅몸체부 내부에 상기 히팅몸체부의 길이방향으로 마련되어 상기 히팅몸체부 내부의 액화가스를 히팅하는 내부히팅부를 포함하는 것을 특징으로 한다. The liquefied gas supply module is further provided with a heating portion, and the heating portion is formed in a cylindrical shape, a heating body portion through which the liquefied gas is introduced at one end and the liquefied gas is discharged at the other end, and a surface that heats the surface of the heating body portion. It is characterized by comprising a heating part and an internal heating part provided inside the heating body in the longitudinal direction of the heating body to heat the liquefied gas inside the heating body.
상기 액화가스탱크부 및 상기 엔진부에는 가스감지부가 더 마련되고, 상기 가스감지부는, 원통형상의 감지부몸체와, 상기 감지부몸체의 상방을 차폐하는 원뿔형상의 커버부와, 상기 감지부몸체 내부에서 일정한 높이에 위치하는 센서부와, 상기 감지부몸체 내부에서 상기 센서부 보다 상대적으로 낮은 위치에 위치하는 수위센서를 포함하는 것을 특징으로 한다. The liquefied gas tank unit and the engine unit are further provided with a gas detection unit, and the gas detection unit includes a cylindrical detection unit body, a cone-shaped cover unit that shields the upper part of the detection unit body, and an inside of the detection unit body. It is characterized in that it includes a sensor unit located at a certain height, and a water level sensor located at a relatively lower position than the sensor unit inside the sensor body.
본 발명인 선박용 이중 연료 엔진 조립체에서는 다음과 같은 효과가 있다. The dual fuel engine assembly for ships of the present invention has the following effects.
엔진 구동시 가솔린연료를 사용하게 하고, 엔진이 안전하게 구동될 때 액화가스를 사용하도록 하여 전체적으로 엔진효율이 높고 안정적으로 구동할 수 있으며, 엔진구동시 전체적인 비용이 낮아지는 이점이 있다. By using gasoline fuel when the engine is running and using liquefied gas when the engine is running safely, the overall engine efficiency is high and it can be driven stably, and there is an advantage in lowering the overall cost when running the engine.
도 1은 본 발명에 의한 선박용 이중 연료 엔진 조립체의 구성을 보인 블럭도.
도 2는 도 1을 구성하는 흡기매니폴더의 구성을 보인 사시도.
도 3은 도 1을 구성하는 히팅부의 구성을 보인 구성도.
도 4는 도 1을 구성하는 가스감지부의 구성을 보인 측단면도.1 is a block diagram showing the configuration of a marine dual fuel engine assembly according to the present invention.
Figure 2 is a perspective view showing the configuration of the intake manifold configuring Figure 1.
Figure 3 is a configuration diagram showing the configuration of the heating unit configuring Figure 1.
Figure 4 is a side cross-sectional view showing the configuration of the gas detection unit of Figure 1.
이하, 본 발명인 선박용 이중 연료 엔진 조립체의 바람직한 실시예가 첨부된 도면을 참고하여 상세하게 설명한다. Hereinafter, a preferred embodiment of the dual fuel engine assembly for a ship according to the present invention will be described in detail with reference to the attached drawings.
본 발명인 선박용 이중 연료 엔진 조립체는, 도 1에 도시된 바와 같이, 연료의 가열에 의하여 동력을 발생시키는 엔진부(10)와, 내부에 공간이 마련되어 가솔린 연료를 저장하는 가솔린탱크부(20)와, 내부에 공간이 마련되어 액화가스 연료를 저정하는 액화가스탱크부(30)와, 상기 가솔린탱크부(20)와 상기 엔진부(10) 사이에 마련되어 상기 가솔린탱크부(20)의 가솔린을 상기 엔진부(10)에 공급하는 가솔린공급모듈(40)과, 상기 액화가스탱크부(30)와 상기 엔진부(10) 사이에 마련되어 상기 액화가스탱크부(30)의 액화가스를 상기 엔진부(10)에 공급하는 액화가스공급모듈(50)과, 상기 가솔린공급모듈(40)의 상기 액화가스공급모듈(50)로부터 이송되는 각각 연료를 상기 엔진부(10)로 안내하는 흡기매니폴더(60)와, 상기 엔진부(10), 상기 가솔린공급모듈(40), 상기 액화가스공급모듈(50)을 제어하는 제어부(80)를 포함하는 것을 특징으로 한다. As shown in FIG. 1, the dual fuel engine assembly for ships of the present invention includes an engine unit 10 that generates power by heating fuel, a gasoline tank unit 20 with a space provided therein to store gasoline fuel, and , a liquefied gas tank unit 30 with a space provided inside to store liquefied gas fuel, and a liquefied gas tank unit 30 provided between the gasoline tank unit 20 and the engine unit 10 to pump gasoline from the gasoline tank unit 20 into the engine. A gasoline supply module 40 that supplies to the unit 10 is provided between the liquefied gas tank unit 30 and the engine unit 10 to supply the liquefied gas of the liquefied gas tank unit 30 to the engine unit 10. ) and an intake manifold 60 that guides each fuel transferred from the liquefied gas supply module 50 of the gasoline supply module 40 to the engine unit 10. and a control unit 80 that controls the engine unit 10, the gasoline supply module 40, and the liquefied gas supply module 50.
먼저, 이중 연료 엔진 조립체에는 엔진부(10)가 마련된다. 상기 엔진부(10)는 연료의 가열에 의하여 동력을 발생시키는 역할을 한다. 상기 엔진부(10)에 사용되는 연료는 가솔린 또는 액화가스가 적용될 수 있다. First, an engine unit 10 is provided in the dual fuel engine assembly. The engine unit 10 serves to generate power by heating fuel. The fuel used in the engine unit 10 may be gasoline or liquefied gas.
상기 엔진부(10)의 일측에는 가솔린탱크부(20)가 마련된다. 상기 가솔린탱크부(20)는 내부에 소정의 공간이 마련되어 가솔린연료가 저장된다. A gasoline tank unit 20 is provided on one side of the engine unit 10. The gasoline tank part 20 has a predetermined space inside to store gasoline fuel.
상기 가솔린탱크부(20)의 일측에는 액화가스탱크부(30)가 마련된다. 상기 액화가스탱크부(30)는 내부에 소정의 공간이 마련되어 액화가스연료가 저장된다. A liquefied gas tank 30 is provided on one side of the gasoline tank 20. The liquefied gas tank unit 30 has a predetermined space inside to store liquefied gas fuel.
상기 엔진부(10)와 상기 가솔린탱크부(20)의 사이에는 가솔린공급모듈(40)이 마련된다. 상기 가솔린공급모듈(40)은 상기 가솔린탱크부(20)의 가솔린연료를 선택적으로 상기 엔진부(10)에 공급하는 역할을 한다. A gasoline supply module 40 is provided between the engine unit 10 and the gasoline tank unit 20. The gasoline supply module 40 serves to selectively supply gasoline fuel from the gasoline tank portion 20 to the engine portion 10.
또한, 상기 엔진부(10)와 상기 액화가스탱크부(30) 사이에는 액화가스공급모듈(50)이 마련된다. 상기 액화가스공급모듈(50)은 상기 액화가스탱크부(30)의 액화가스연료를 선택적으로 상기 엔진부(10)에 공급하는 역할을 한다. In addition, a liquefied gas supply module 50 is provided between the engine unit 10 and the liquefied gas tank unit 30. The liquefied gas supply module 50 serves to selectively supply liquefied gas fuel from the liquefied gas tank unit 30 to the engine unit 10.
그리고, 제어부(80)가 더 마련된다. 상기 제어부(80)는 상기 가솔린공급모듈(40) 및 액화가스공급모듈(50)의 동작을 제어하는 역할을 한다. And, a control unit 80 is further provided. The control unit 80 serves to control the operation of the gasoline supply module 40 and the liquefied gas supply module 50.
상기 엔진부(10)에는 흡기매니폴더(60)가 구비된다. 상기 흡기매니폴더(60)는 가솔린연료와 액화가스연료가 엔진 내부의 연소공간으로 안내하는 역할을 한다. The engine unit 10 is provided with an intake manifold 60. The intake manifold 60 serves to guide gasoline fuel and liquefied gas fuel to the combustion space inside the engine.
상기 흡기매니폴더(60)는 상기 가솔린연료와 상기 액화가스연료를 공급하기 위하여 다양하게 구성될 수 있으며, 본 발명에서는 다음과 같이 구성될 수 있다. The intake manifold 60 can be configured in various ways to supply the gasoline fuel and the liquefied gas fuel, and in the present invention, it can be configured as follows.
상기 흡기매니폴더(60)는, 도 2에 도시된 바와 같이, 원통형상으로 형성되며, 상방향으로 가솔린연료가 주입되는 가솔린인젝터부(62)와, 원통형상으로 형성되어, 상기 가솔린인젝터부(62)의 하단이 상방향으로 삽입되고, 하방은 상기 엔진부(10)에 연통되며, 측면에 액화가스연료가 주입되는 연료주입구(66)가 형성되는 액화가스어댑터부(64)를 포함하여 이루어질 수 있다. As shown in FIG. 2, the intake manifold 60 is formed in a cylindrical shape, includes a gasoline injector part 62 through which gasoline fuel is injected upward, and is formed in a cylindrical shape, and the gasoline injector part ( The lower end of 62) is inserted upward, the lower part is in communication with the engine unit 10, and includes a liquefied gas adapter part 64 formed on the side with a fuel inlet 66 through which liquefied gas fuel is injected. You can.
상기 흡기매니폴더(60)에는 가솔린인젝터부(62)가 마련된다. 상기 가솔린인젝터부(62)는 원통형상으로 형성되며, 내부에 가솔린연료가 이동할 수 있도록 안내한다. 상방으로 상기 가솔린연료공급모듈(40)로부터 공급되는 가솔린연료가 유입되고 상기 가솔린인젝터부(62)를 통하여 상기 엔진부(10) 내부로 공급된다. A gasoline injector unit 62 is provided in the intake manifold 60. The gasoline injector unit 62 is formed in a cylindrical shape and guides the gasoline fuel to move inside. Gasoline fuel supplied from the gasoline fuel supply module 40 flows upward and is supplied into the engine unit 10 through the gasoline injector unit 62.
그리고, 상기 가솔린인젝터부(62)의 하방에는 액화가스어댑터부(64)가 마련된다. 상기 액화가스어댑터부(64)는 원통형상으로 형성되며, 상방은 상기 가솔린인젝터부(62)의 하방에 맞물리도록 형성된다. 상기 액화가스어댑터부(64)의 하단은 상기 엔진부(10)에 연통되어 내부의 연료를 엔진부(10)까지 안내하게 된다. Additionally, a liquefied gas adapter unit 64 is provided below the gasoline injector unit 62. The liquefied gas adapter part 64 is formed in a cylindrical shape, and its upper part is formed to engage with the lower part of the gasoline injector part 62. The lower end of the liquefied gas adapter unit 64 is in communication with the engine unit 10 and guides the fuel inside to the engine unit 10.
상기 액화가스어댑터부(64)의 측면에는 연료주입구(66)가 마련된다. 상기 연료주입구(66)는 상기 액화가스공급모듈(50)로부터 공급되는 액화가스를 상기 엔진부(10) 내부로 안내하는 역할을 한다. A fuel inlet 66 is provided on the side of the liquefied gas adapter part 64. The fuel inlet 66 serves to guide the liquefied gas supplied from the liquefied gas supply module 50 into the engine unit 10.
그리고, 상기 액화가스어댑터부(64)에는 센서연결관(68)이 더 마련된다. 상기 센서연결관(68)은 맵센서가 삽입되어, 상기 엔진부(10)가 동작하기 위한 정보를 수집하여 전달할 수 있도록 하는 역할을 한다. In addition, a sensor connector 68 is further provided in the liquefied gas adapter part 64. The sensor connector 68 serves to allow the map sensor to be inserted to collect and transmit information for operation of the engine unit 10.
그리고, 상기 액화가스공급모듈(50)에는 히팅부(70)가 더 마련될 수 있다. 상기 히팅부(70)는 상기 액화가스공급모듈(50)을 통하여 이동하는 액화가스를 가열하는 역할을 한다. In addition, the liquefied gas supply module 50 may be further provided with a heating unit 70. The heating unit 70 serves to heat the liquefied gas moving through the liquefied gas supply module 50.
상기 히팅부(70)는 도 3에 도시된 바와 같이, 원통형상으로 형성되어, 일단에서 액화가스가 유입되고 타단으로 액화가스가 배출되는 히팅몸체부(72)와, 상기 히팅몸체부(72)의 표면을 가열하는 표면히팅부(74)와, 상기 히팅몸체부(72) 내부에 상기 히팅몸체부(72)의 길이방향으로 마련되어 상기 히팅몸체부(72) 내부의 액화가스를 히팅하는 내부히팅부(76)를 포함하여 이루어질 수 있다. As shown in FIG. 3, the heating part 70 is formed in a cylindrical shape, and includes a heating body part 72 through which liquefied gas is introduced at one end and liquefied gas is discharged at the other end, and the heating body part 72 A surface heating unit 74 that heats the surface of the heating body 72, and an internal heating unit provided inside the heating body 72 in the longitudinal direction of the heating body 72 to heat the liquefied gas inside the heating body 72. It may include part 76.
상기 히팅부(70)로 유입되는 액화가스는 표면히팅부(74) 및 내부히팅부(76)에 의하여 가열되어 극저온상태에서도 액화가스가 연료로서 사용할 수 있도록 한다. The liquefied gas flowing into the heating unit 70 is heated by the surface heating unit 74 and the internal heating unit 76, allowing the liquefied gas to be used as fuel even in extremely low temperature conditions.
그리고, 상기 액화가스탱크부(30)와 상기 엔진부(10)에는 가스감지부(90)가 마련된다. 상기 가스감지부(90)는 액화가스가 누출되는지 여부를 감지하는 역할을 한다. In addition, a gas detection unit 90 is provided in the liquefied gas tank unit 30 and the engine unit 10. The gas detection unit 90 serves to detect whether liquefied gas is leaking.
상기 가스감지부(90)는 다양하게 구성될 수 있으며, 본 발명에서는 도 4에 도시된 바와 같이 구성될 수 있다. The gas detection unit 90 can be configured in various ways, and in the present invention, it can be configured as shown in FIG. 4.
상기 가스감지부(90)는, 원통형상의 감지부몸체(92)와, 상기 감지부몸체(92)의 상방을 차폐하는 원뿔형상의 커버부(94)와, 상기 감지부몸체(92) 내부에서 일정한 높이에 위치하는 센서부(96)와, 상기 감지부몸체(92) 내부에서 상기 센서부(96) 보다 상대적으로 낮은 위치에 위치하는 수위센서(98)를 포함하여 이루어질 수 있다. The gas detection unit 90 includes a cylindrical detection unit body 92, a cone-shaped cover part 94 that shields the upper part of the detection unit body 92, and a constant space inside the detection unit body 92. It may include a sensor unit 96 located at a height, and a water level sensor 98 located at a relatively lower position than the sensor unit 96 inside the sensing unit body 92.
상기 커버부(94)는 여러개의 커버가 상방향으로 일정한 간격으로 이격되어 다단으로 적층되도록 할 수 있다. The cover portion 94 can allow multiple covers to be stacked in multiple stages, spaced apart at regular intervals in the upward direction.
상기 가스감지부(90)의 상방의 커버부(94)에 의하여 상기 감지부몸체(92) 내외부에서 발생하는 수증기와 물은 자중에 의하여 하강하여 상기 센서부(96)에 접촉되는 것을 방지한다. 상기 적층되는 커버부(94)의 틈 사이로 누출된 액화가스를 상기 센서부(96)가 감지할 수 있도록 한다. The cover portion 94 above the gas sensing portion 90 prevents water vapor and water generated inside and outside the sensing portion body 92 from descending due to its own weight and coming into contact with the sensor portion 96. The sensor unit 96 is able to detect liquefied gas leaking through gaps in the stacked cover units 94.
또한, 상기 수위센서(98)에 의하여 내부에 물의 양을 센싱하여 가스감지부(90)의 센서부(96)가 손상되거나 오작동하는 것을 예방할 수 있게 된다. In addition, the amount of water inside can be sensed by the water level sensor 98 to prevent the sensor unit 96 of the gas detection unit 90 from being damaged or malfunctioning.
이와 같이, 상술한 본 발명의 기술적 구성은 본 발명이 속하는 기술분야의 당업자가 본 발명의 그 기술적 사상이나 필수적인 특징을 변경하지 않고서 다른 구체적인 형태로 실시될 수 있다는 것을 이해할 수 있을 것이다.As such, a person skilled in the art will understand that the technical configuration of the present invention described above can be implemented in other specific forms without changing the technical idea or essential features of the present invention.
그러므로 이상에서 기술한 실시예들은 모든 면에서 예시적인 것이며 한정적인 것이 아닌 것으로서 이해되어야 하고, 본 발명의 범위는 상세한 설명보다는 후술하는 특허 청구범위에 나타나며, 특허청구범위의 의미 및 범위 그리고 그 등가 개념으로부터 도출되는 모든 변경 또는 변형된 형태가 본 발명의 범위에 포함되는 것으로서 해석되어야 한다.Therefore, the embodiments described above should be understood in all respects as illustrative and not restrictive, and the scope of the present invention is reflected in the patent claims described later rather than the detailed description, and the meaning and scope of the claims and their equivalent concepts. All changes or modified forms derived from should be construed as being included in the scope of the present invention.
10: 엔진부 20: 가솔린탱크부
30: 액화가스탱크부 40: 가솔린공급모듈
50: 액화가스공급모듈 60: 흡기매니폴더
62: 가솔린인젝터 64: 액화가스어댑터
66: 연료주입구 68: 센서연결관
70: 히팅부 72: 히팅몸체부
74: 표면히팅부 76: 내부히팅부
80: 제어부 90: 가스감지부
92: 감지부몸체 94: 커버부
96: 센서부 98: 수위센서10: Engine part 20: Gasoline tank part
30: Liquefied gas tank part 40: Gasoline supply module
50: Liquefied gas supply module 60: Intake manifold
62: Gasoline injector 64: Liquefied gas adapter
66: Fuel inlet 68: Sensor connector
70: Heating part 72: Heating body part
74: Surface heating unit 76: Internal heating unit
80: Control unit 90: Gas detection unit
92: Sensing unit body 94: Cover unit
96: Sensor unit 98: Water level sensor
Claims (4)
내부에 공간이 마련되어 가솔린 연료를 저장하는 가솔린탱크부;
내부에 공간이 마련되어 액화가스 연료를 저정하는 액화가스탱크부;
상기 가솔린탱크부와 상기 엔진부 사이에 마련되어 상기 가솔린탱크부의 가솔린을 상기 엔진부에 공급하는 가솔린공급모듈;
상기 액화가스탱크부와 상기 엔진부 사이에 마련되어 상기 액화가스탱크부의 액화가스를 상기 엔진부에 공급하는 액화가스공급모듈;
상기 가솔린공급모듈의 상기 액화가스공급모듈로부터 이송되는 각각 연료를 상기 엔진부로 안내하는 흡기매니폴더; 및
상기 엔진부, 상기 가솔린공급모듈, 상기 액화가스공급모듈을 제어하는 제어부;를 포함하고,
상기 흡기매니폴더는,
원통형상으로 형성되며, 상방향으로 가솔린연료가 주입되는 가솔린인젝터부;
원통형상으로 형성되어, 상기 가솔린인젝터부의 하단이 상방향으로 삽입되고, 하방은 상기 엔진부에 연통되며, 측면에 액화가스연료가 주입되는 연료주입구가 형성되는 액화가스어댑터부;
를 포함하며,
상기 액화가스공급모듈에는 히팅부가 더 마련되고,
상기 히팅부는,
원통형상으로 형성되어, 일단에서 액화가스가 유입되고 타단으로 액화가스가 배출되는 히팅몸체부;
상기 히팅몸체부의 표면을 가열하는 표면히팅부;
상기 히팅몸체부 내부에 상기 히팅몸체부의 길이방향으로 마련되어 상기 히팅몸체부 내부의 액화가스를 히팅하는 내부히팅부;
를 포함하고,
상기 액화가스탱크부 및 상기 엔진부에는 가스감지부가 더 마련되고,
상기 가스감지부는,
원통형상의 감지부몸체;
상기 감지부몸체의 상방을 차폐하는 원뿔형상의 커버부;
상기 감지부몸체 내부에서 일정한 높이에 위치하는 센서부;
상기 감지부몸체 내부에서 상기 센서부 보다 상대적으로 낮은 위치에 위치하는 수위센서를 포함하는 것을 특징으로 하는 선박용 이중연료 엔진 조립체.
An engine unit that generates power by heating fuel;
A gasoline tank section with space provided inside to store gasoline fuel;
A liquefied gas tank with a space provided therein to store liquefied gas fuel;
a gasoline supply module provided between the gasoline tank portion and the engine portion to supply gasoline from the gasoline tank portion to the engine portion;
A liquefied gas supply module provided between the liquefied gas tank unit and the engine unit to supply liquefied gas from the liquefied gas tank unit to the engine unit;
An intake manifold that guides each fuel transferred from the liquefied gas supply module of the gasoline supply module to the engine unit; and
It includes a control unit that controls the engine unit, the gasoline supply module, and the liquefied gas supply module,
The intake manifold is,
A gasoline injector portion that is formed in a cylindrical shape and injects gasoline fuel upward;
A liquefied gas adapter portion formed in a cylindrical shape, the lower end of the gasoline injector portion is inserted upward, the lower portion is in communication with the engine portion, and a fuel inlet through which liquefied gas fuel is injected is formed on the side.
Includes,
The liquefied gas supply module is further provided with a heating unit,
The heating unit,
A heating body portion formed in a cylindrical shape, through which liquefied gas flows in at one end and discharges liquefied gas at the other end;
a surface heating unit that heats the surface of the heating body unit;
An internal heating unit provided inside the heating body in the longitudinal direction of the heating body to heat the liquefied gas inside the heating body;
Including,
A gas detection unit is further provided in the liquefied gas tank unit and the engine unit,
The gas detection unit,
Cylindrical sensing body;
A cone-shaped cover part that shields the upper part of the sensing unit body;
A sensor unit located at a certain height within the sensor body;
A dual fuel engine assembly for a ship, characterized in that it includes a water level sensor located at a relatively lower position than the sensor unit within the sensing unit body.
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| KR1020200170831 | 2020-12-08 | ||
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015045515A (en) * | 2013-08-27 | 2015-03-12 | 日立オートモティブシステムズ株式会社 | Gas sensor device |
| KR101570111B1 (en) * | 2014-06-12 | 2015-11-18 | 한국기계연구원 | Bi-fuel or duel fuel injection apparatus for GDI |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR980008546U (en) * | 1996-07-31 | 1998-04-30 | 송영태 | Automotive fuel preheater |
| DK177566B1 (en) * | 2012-06-29 | 2013-10-21 | Man Diesel & Turbo Deutschland | An internal combustion engine with control of fuel gas injection pressure |
| KR102086885B1 (en) | 2016-12-29 | 2020-03-09 | 현대중공업 주식회사 | Pipe Structure for Easily Detection Fuel Gas Leak of Dual Fuel Engine |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015045515A (en) * | 2013-08-27 | 2015-03-12 | 日立オートモティブシステムズ株式会社 | Gas sensor device |
| KR101570111B1 (en) * | 2014-06-12 | 2015-11-18 | 한국기계연구원 | Bi-fuel or duel fuel injection apparatus for GDI |
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