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公开(公告)号：US20240254933A1
公开(公告)日：2024-08-01
申请号：US18102939
申请日：2023-01-30
申请人： Caterpillar Inc.
CPC分类号： F02D19/0607 , F02D19/0649 , F02D19/0681 , F02M21/0215 , F02M21/0233 , F02M21/0242 , F02M21/0245 , F02M35/10216
摘要： A gaseous fuel engine system includes a quick start fuel system having a pressurized gaseous fuel supply, a fuel feed conduit and a quick start fuel admission valve. The fuel feed conduit is coupled to an intake conduit for the engine at a downstream fuel admission location. A main fuel system is coupled to the intake conduit at an upstream fuel admission location. The quick start fuel admission valve is electrically actuated to admit a pressured gaseous fuel from the pressurized gaseous fuel supply for quick starting the gaseous fuel internal combustion engine. The quick start fuel may have a fuel composition different than a fuel composition of the main fuel.
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公开(公告)号：US11815294B2
公开(公告)日：2023-11-14
申请号：US17527647
申请日：2021-11-16
申请人： LG ELECTRONICS INC.
发明人： Heejoong Jang , Hojong Jeong
CPC分类号： F25B1/02 , F02B29/0437 , F02B31/04 , F02B37/18 , F02M21/0212 , F02M21/0215 , F25B2327/001
摘要： Provided is an engine system. The engine system includes a mixer mixing air and vaporized fuel to form a mixture, an engine driving a cylinder with the mixture discharged from the mixer, a first storage tank supplying the vaporized fuel to the mixer, a second storage tank storing liquid fuel or supplying the stored liquid fuel to the first storage tank, and a heat exchanger performing heat exchange between the liquid fuel discharged from the first storage tank and gas flowing to the engine, thus vaporizing the liquid fuel.
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公开(公告)号：US11767811B2
公开(公告)日：2023-09-26
申请号：US17900226
申请日：2022-08-31
申请人： American CNG, LLC
发明人： Matt Matsukawa
CPC分类号： F02M21/047 , F02D19/0605 , F02D19/0607 , F02D19/0665 , F02D19/0673 , F02D19/0681 , F02D41/0027 , F02D41/3035 , F02D41/36 , F02M21/026 , F02M21/0221 , F02M21/0239 , F02M21/0242 , F02M21/0278 , F02M21/0296 , F02M35/10157 , F02M35/10216 , F02D2200/021 , F02D2200/503 , F02D2200/60 , F02M21/0215
摘要： A supplemental fuel system for a machine having a compression-ignition engine includes an air intake tube. The air intake tube has a first end configured to interface with an air cleaner of an air supply system that provides air to the compression-ignition engine, a second end configured to interface with a compressor of a turbocharger of the air supply system, and a sidewall extending between the first end and the second end. The sidewall includes a fuel interface configured to facilitate providing a supplemental fuel into the air intake tube to mix with the air upstream of the compressor of the turbocharger.
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公开(公告)号：US20230183597A1
公开(公告)日：2023-06-15
申请号：US18108845
申请日：2023-02-13
发明人： Patrick E. Mosier , Jeffry G. Dietz , Alexander Sammut , Mary Galic Raguz , Matthew D. Gieselman
IPC分类号： C10M169/04 , C10M133/56 , C10M101/00 , C10M129/10 , C10M133/06 , C10M155/04 , C10M161/00 , F02M21/02
CPC分类号： C10M169/044 , C10M101/00 , C10M129/10 , C10M133/06 , C10M133/56 , C10M155/04 , C10M161/00 , C10M169/041 , F02M21/0215 , C10M2203/1025 , C10M2207/026 , C10M2207/028 , C10M2215/28 , C10M2215/064 , C10M2219/046 , C10M2219/089 , C10N2010/04
摘要： The invention is directed to a method for reducing low speed pre-ignition events in a spark-ignited direct injection internal combustion engine by supplying to the sump a lubricant composition which contains an oil of lubricating viscosity and an ashless dispersant. The ashless dispersant may be selected from succinimide compounds prepared from aliphatic or aromatic amines.
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公开(公告)号：US20180195479A1
公开(公告)日：2018-07-12
申请号：US15401702
申请日：2017-01-09
申请人： Caterpillar Inc.
发明人： Joshua T. Perko , Dana R. Coldren , Glenn B. Cox
CPC分类号： F02M59/44 , F02M21/0215 , F02M21/0221 , F02M21/0227 , Y02T10/32
摘要： A cryogenic LNG fuel system is provided that includes a tank for storing LNG and a LNG fill system including a LNG inlet passage for directing a flow of LNG into the tank. A cryogenic pump is in fluid communication with the tank and includes a pumping element at least partially immersed in the LNG for directing the LNG out of the tank and a seal. A lubricant system is provided that includes a lubricant reservoir and a lubricant inlet passage in communication with the lubricant reservoir and the LNG inlet passage. The lubricant system is adapted to introduce the lubricant into the flow of LNG in the LNG inlet passage such that at least a portion of the lubricant is entrained in the LNG in the LNG inlet passage and carried into the tank.
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公开(公告)号：US20180170507A1
公开(公告)日：2018-06-21
申请号：US15579582
申请日：2016-04-05
发明人： Hyun Jun SHIN , Dong Kyu CHOI , Young Sik MOON , Su Kyung AN , Hyun Min JANG , Jae Wook SON , Joon Chae LEE
CPC分类号： B63H21/38 , B63B25/16 , B63J2099/003 , F02M21/0215 , F02M21/0287 , F17C6/00 , F17C9/02 , F17C2221/033 , F17C2223/0161 , F17C2223/033 , F17C2227/0185 , F17C2227/0339 , F17C2227/0358 , F17C2265/03 , F17C2265/037 , F17C2265/066 , F17C2270/0105 , F25J1/0025 , F25J1/0037 , F25J1/004 , F25J1/0045 , F25J1/0202 , F25J1/023 , F25J1/0249 , F25J1/0277 , F25J1/0288 , F25J1/0294 , F25J2290/72 , Y02T10/32
摘要： A ship includes: a boil-off gas heat exchanger which heat-exchanges a compressed boil-off gas (“a first fluid”) by means of a boil-off gas discharged from the storage tank as a refrigerant; a compressor installed on the downstream of the boil-off gas heat exchanger and compressing a part of the boil-off gas discharged from the storage tank; first and second extra compressors provided in parallel with the compressor on the downstream of the boil-off gas heat exchanger and compressing the other part of the boil-off gas discharged from the storage tank; a refrigerant heat exchanger which additionally cools the first fluid cooled by means of the boil-off gas heat exchanger; a refrigerant decompressing device which expands a second fluid, which has been sent to the refrigerant heat exchanger and cooled by means of the refrigerant heat exchanger, and then sending the expanded second fluid back to the refrigerant heat exchanger.
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公开(公告)号：US20180170505A1
公开(公告)日：2018-06-21
申请号：US15579571
申请日：2016-05-16
发明人： Hyun Jun SHIN , Dong Kyu CHOI , Young Sik MOON
CPC分类号： B63H21/38 , B63B25/16 , B63J2099/003 , F02M21/0215 , F02M21/0287 , F17C6/00 , F17C9/02 , F17C2221/033 , F17C2223/0161 , F17C2223/033 , F17C2227/0185 , F17C2227/0339 , F17C2227/0358 , F17C2265/03 , F17C2265/037 , F17C2265/066 , F17C2270/0105 , F25J1/0025 , F25J1/0037 , F25J1/004 , F25J1/0045 , F25J1/0202 , F25J1/023 , F25J1/0249 , F25J1/0277 , F25J1/0288 , F25J1/0294 , F25J2290/72 , Y02T10/32
摘要： A ship including a liquefied gas storage tank includes: first and second compressors which compresse a boil-off gas discharged from a storage tank; a boost compressor which compresses one part of the boil-off gas that is compressed by at least any one of the first compressor and/or the second compressor; a first heat exchanger which heat exchanges the boil-off gas compressed by the boost compressor and the boil-off gas discharged from the storage tank; a refrigerant decompressing device which expands the other part of the boil-off gas that is compressed by at least any one of the first compressor and/or the second compressor; a second heat exchanger which cools, by a fluid expanded by the refrigerant decompressing device as a refrigerant; and an additional compressor which is compresses the refrigerant that passes through the refrigerant decompressing device and second heat exchanger.
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公开(公告)号：US20180170503A1
公开(公告)日：2018-06-21
申请号：US15579558
申请日：2016-04-05
发明人： Hyun Jun SHIN , Dong Kyu CHOI , Young Sik MOON , Su Kyung AN , Hyun Min JANG , Jae Wook SON , Joon Chae LEE
CPC分类号： B63H21/38 , B63B25/16 , F02M21/02 , F02M21/0215 , F02M21/0287 , F17C6/00 , F17C9/02 , F17C2221/033 , F17C2227/0185 , F17C2227/0339 , F17C2227/0358 , F17C2265/017 , F17C2265/03 , F17C2265/033 , F17C2265/036 , F17C2265/037 , F17C2265/038 , F17C2265/066 , F17C2270/0105 , F25J1/0025 , F25J1/0037 , F25J1/004 , F25J1/0202 , F25J1/023 , F25J1/0277 , F25J1/0294 , Y02T10/32
摘要： A ship including a storage tank for storing a liquefied gas includes: a boil-off gas (BOG) heat exchanger installed on a downstream of a storage tank and heat-exchanges a compressed BOG (“a first fluid”) by a BOG discharged from the storage tank as a refrigerant, to cool the BOG; a compressor installed on a downstream of the BOG heat exchanger and compresses a part of the BOG discharged from the storage tank; an extra compressor installed on a downstream of the BOG heat exchanger and in parallel with the compressor and compresses the other part of the BOG discharged from the storage tank; a refrigerant heat exchanger which additionally cools the first fluid cooled by the BOG heat exchanger; and a refrigerant decompressing device which expands a second fluid sent to the refrigerant heat exchanger, and then sends the second fluid back to the refrigerant heat exchanger.
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公开(公告)号：US20180149125A1
公开(公告)日：2018-05-31
申请号：US15573527
申请日：2015-06-30
申请人： CUMMINS INC.
发明人： Darren Ting , Patrick M. Pierz
CPC分类号： F02M53/046 , F01P3/02 , F01P3/16 , F01P2003/024 , F02B19/108 , F02B19/12 , F02B19/18 , F02B2019/006 , F02M21/0215 , F02M21/0278 , F02M53/043 , F02M57/06 , F02M61/14 , F02M2200/8061 , F02M2200/858 , F02M2200/9053 , Y02T10/125 , Y02T10/32
摘要： An apparatus and method are disclosed for an injector assembly including an injector tip having a prechamber, such as a permanent, passive prechamber (PPPC), and a nozzle combustion shield (NCS) to mitigate pre-ignition events, such as knocking, caused by overheating of the prechamber. The NCS has a thermal conductivity greater than the injector tip. The NCS optionally includes a barrel forming a slip fit with the cylinder head bore and forming a press fit with the injector tip. The NCS also optionally includes a brim to form a combustion seal with a cylinder head. As the spark plug ignites a fuel charge in the prechamber, heat is absorbed into the injector tip, flows into the NCS barrel, out of the NCS brim, and into the cylinder head for cooling via a cooling jacket.
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10.发明申请公开(公告)号：US20180142633A1
公开(公告)日：2018-05-24
申请号：US15358453
申请日：2016-11-22
申请人： Caterpillar Inc.
IPC分类号： F02D41/00 , F02B9/02 , F02M35/10 , F02M35/104 , F02B37/00 , F02B29/04 , F01N13/10 , F02D41/14 , F01N13/00 , F02M21/02
CPC分类号： F02D41/0027 , F01N9/00 , F01N13/008 , F01N13/10 , F01N2340/02 , F01N2900/1404 , F02B9/02 , F02B29/0425 , F02B37/00 , F02B43/00 , F02B2201/06 , F02D41/0007 , F02D41/1446 , F02M21/0215 , F02M35/10157 , F02M35/10268 , F02M35/1038 , F02M35/104
摘要： A system, method and apparatus for controlling a gas substitution characteristic in a dual fuel engine are provided. The gas substitution characteristic can be controlled based on measured characteristics directly or indirectly associated with operation of the dual fuel engine, including intake manifold air pressure (IMAP), load of the dual fuel engine, ambient air temperature, exhaust temperature, fan speed, and/or pressure of natural gas supplied to the dual fuel engine. Further, the gas substitution characteristic can be controlled by controlling intake manifold air temperature (IMAT) based on control of a cooling capacity of a cooling circuit.
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