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1. 发明申请

WO2011002353A1 METHOD OF OPERATING A DUAL FUEL COMBUSTION ENGINE OF THE DIESEL- TYPE AND A DUAL FUEL COMBUSTION ENGINE OF THE DIESEL-TYPE OPERABLE ACCORDING TO SUCH METHOD 审中-公开
标题翻译：根据这种方法操作柴油机类型的双燃料燃烧发动机和柴油类型的双燃料燃烧发动机的操作方法
公开(公告)号：WO2011002353A1
公开(公告)日：2011-01-06
申请号：PCT/SE2009/000352
申请日：2009-07-03
申请人： VOLVO TECHNOLOGY CORPORATION , MAGNUSSON, Ingemar
发明人： MAGNUSSON, Ingemar
IPC分类号： F02D41/40 , F02B7/08 , F02D19/10 , F02D41/30
CPC分类号： F02D19/10 , F02B3/06 , F02D19/061 , F02D19/0636 , F02D19/066 , F02D19/081 , F02D41/0025 , F02D41/3029 , F02D41/3035 , Y02T10/36
摘要： A method of operating a dual fuel internal combustion engine of the diesel-type, comprising a combustion chamber being at least partly delimited by a piston, a first fuel supply for a first fuel, said first fuel supply being located in or at the combustion chamber and/or in or at an inlet port thereof, and a second fuel supply for a second fuel, the method comprising the steps of: • pre-mixing said first fuel in said combustion chamber and/or in said inlet port, • compressing the charge containing the first fuel to conditions that allow auto- ignition of the second fuel • performing a first injection of the second fuel into said combustion chamber to initiate auto-ignition of said second fuel for igniting said first fuel, thereby initiating conditions for pre-mixed flame propagation combustion of the first fuel, further comprising the step of • performing at least one subsequent injection, said subsequent injection supplying additional kinetic energy into the combustion process to thereby enhance turbulence intensity and propagation speed of said flame and/or enhance late mixing in the combustion chamber, so a to improve late oxidation during combustion. The invention also relates to a dual fuel combustion engine of the diesel engine type.
摘要翻译：一种操作柴油型双燃料内燃机的方法，包括至少部分地由活塞限定的燃烧室，用于第一燃料的第一燃料供应器，所述第一燃料供应部位于燃烧室和/或在其入口处或其入口处，以及用于第二燃料的第二燃料供应，所述方法包括以下步骤：在所述燃烧室和/或所述入口端口预混合所述第一燃料，包含第一燃料的装置，其允许第二燃料的自动点火，其执行第二燃料的第一次喷射到所述燃烧室中，以引起所述第二燃料的自动点火，用于点燃所述第一燃料，所述第一燃料的混合火焰传播燃烧还包括以下步骤：执行至少一次随后的喷射，所述随后的喷射向所述燃烧过程提供额外的动能，从而提高所述火焰的湍流强度和传播速度和/或增强燃烧室中的后期混合，从而改善燃烧期间的后期氧化。本发明还涉及柴油机类型的双燃料内燃机。

2. 发明申请

WO2011002351A1 METHOD FOR SELECTING BETWEEN TWO OPERATION MODES IN A DUAL FUEL INTERNAL COMBUSTION ENGINE OF THE DIESEL-TYPE AND A DUAL FUEL INTERNAL COMBUSTION ENGINE OF THE DIESEL-TYPE OPERABLE ACCORDING 审中-公开
标题翻译：在柴油类型的双燃料内燃机中选择两种操作模式的方法和根据操作的柴油类型的双燃料内燃机
公开(公告)号：WO2011002351A1
公开(公告)日：2011-01-06
申请号：PCT/SE2009/000350
申请日：2009-07-03
申请人： VOLVO TECHNOLOGY CORPORATION , MAGNUSSON, Ingemar
发明人： MAGNUSSON, Ingemar
IPC分类号： F02B7/08 , F02D19/10 , F02D41/30
CPC分类号： F02D19/10 , F02D19/061 , F02D19/0652 , F02D41/0025 , F02D41/3029 , F02D41/3035 , F02D41/405 , Y02T10/128 , Y02T10/36 , Y02T10/44
摘要： The present invention relates to a method of selecting between two operation modes in a dual fuel internal combustion engine of the diesel-type, comprising a combustion chamber being at least partly delimited by a piston, a first fuel supply for a first fuel, said first fuel supply being located in or at the combustion chamber and/or in or at an inlet port thereof, and a second fuel supply for a second fuel, - the engine having two different operation modes, both operation modes comprising the steps of: - pre-mixing said first fuel in said combustion chamber and/or in said inlet port, - compressing the charge containing the first fuel to conditions that allow auto-ignition of the second fuel, - performing a first injection of the second fuel into said combustion chamber to initiate auto-ignition of said second fuel, thereby initiating conditions for combustion of the fuel remaining in the combustion chamber after auto-ignition of the second fuel, wherein - said first operation mode is distinguished by homogeneous ignition and combustion of the remaining fuel, - said second operation mode is distinguished by pre-mixed flame propagation combustion of the remaining fuel, said method further comprising the step of: - adjusting the amount of the second fuel injected in said first injection of the second fuel, and/or the timing of said first injection of the second fuel, so as to control the combustion chamber temperature and pressure after auto-ignition of the second fuel such that selection between said first and second operation modes is achieved. The invention also relates to a dual fuel internal combustion engine of the diesel-type.
摘要翻译：本发明涉及一种在柴油型双燃料内燃机中的两种操作模式之间进行选择的方法，包括至少部分地由活塞限定的燃烧室，第一燃料的第一燃料供应器燃料供应位于燃烧室内和/或其入口处或其入口处，以及用于第二燃料的第二燃料供应， - 具有两种不同操作模式的发动机，两种操作模式包括以下步骤： - 预先 - 在所述燃烧室和/或所述入口中混合所述第一燃料， - 将含有所述第一燃料的电荷压缩至允许所述第二燃料自动点火的条件， - 执行所述第二燃料的第一次注入到所述燃烧室以启动所述第二燃料的自动点火，从而启动在所述第二燃料自动点火之后燃烧残留在所述燃烧室中的燃料的条件，其中 - 所述第一操作模式是其特征在于剩余燃料的均匀点燃和燃烧， - 所述第二操作模式的特征在于剩余燃料的预混合火焰传播燃烧，所述方法还包括以下步骤： - 调节在所述第一燃料中喷射的第二燃料的量第二燃料的喷射和/或所述第一燃料的所述第一次喷射的定时，以便控制第二燃料自动点火之后的燃烧室温度和压力，从而实现所述第一和第二操作模式之间的选择。本发明还涉及柴油型双燃料内燃机。

3. 发明申请

WO2014040606A1 APPARATUS AND METHOD FOR KNOCK CONTROL 审中-公开
标题翻译：用于锁定控制的装置和方法
公开(公告)号：WO2014040606A1
公开(公告)日：2014-03-20
申请号：PCT/EP2012/003821
申请日：2012-09-12
申请人： VOLVO LASTVAGNAR AKTIEBOLAG , MAGNUSSON, Ingemar , MANENTE, Vittorio
发明人： MAGNUSSON, Ingemar , MANENTE, Vittorio
IPC分类号： F02D35/02 , F02D19/02 , F02D19/06 , F02D41/00 , F02D19/08 , F02D21/08
CPC分类号： F02D35/027 , F02B29/0493 , F02D19/061 , F02D19/0642 , F02D19/0647 , F02D19/0692 , F02D19/08 , F02D19/105 , F02D41/005 , F02D41/0052 , F02D41/401 , F02M25/028 , F02M26/06 , F02M26/16 , F02M26/21 , F02M26/47 , F02M43/00 , Y02T10/36 , Y02T10/47
摘要： An arrangement in a vehicle engine comprising an intake air manifold, an exhaust gas manifold and a plurality of cylinders, and being adapted for being operated by means of a dual fuel comprising diesel and gas fuel, said arrangement further comprising: an exhaust gas recirculation line connecting said exhaust gas manifold with said intake air manifold, an exhaust gas recirculation valve arranged in said exhaust gas recirculation line, and a control unit arranged for controlling the operation of the exhaust gas recirculation valve, where the arrangement further comprises a knock sensor arranged on said engine and connected to said control unit; said control unit being adapted for opening said exhaust gas recirculation valve in the event that knock is detected by said knock sensor. The advantage of the invention is that a dual fuel engine can be used with methane gas having a wide variety of methane numbers without causing the engine to knock.
摘要翻译：一种车辆发动机中的装置，包括进气歧管，排气歧管和多个气缸，并且适于通过包含柴油和气体燃料的双重燃料进行操作，所述装置还包括：废气再循环管线将所述废气歧管与所述进气歧管连接，布置在所述废气再循环管线中的排气再循环阀，以及布置成控制所述废气再循环阀的操作的控制单元，其中所述布置还包括布置在所述发动机并连接到所述控制单元; 所述控制单元适于在所述爆震传感器检测到爆震的情况下打开所述废气再循环阀。本发明的优点是双燃料发动机可以与具有多种甲烷数的甲烷气体一起使用，而不会引起发动机的爆震。

4. 发明申请

WO2011002352A1 METHOD FOR ENHANCING LATE OXIDATION IN A DUAL FUEL INTERNAL COMBUSTION ENGINE OF THE DIESEL-TYPE AND A DUAL FUEL INTERNAL COMBUSTION ENGINE OF THE DIESEL-TYPE OPERABLE ACCORDING TO SUCH METHOD 审中-公开
标题翻译：用于增加柴油类型的双燃料内部燃烧发动机和根据这种方法操作的柴油类型的双燃料内燃机的方法
公开(公告)号：WO2011002352A1
公开(公告)日：2011-01-06
申请号：PCT/SE2009/000351
申请日：2009-07-03
申请人： VOLVO TECHNOLOGICAL DEVELOPMENT CORPORATION , MAGNUSSON, Ingemar
发明人： MAGNUSSON, Ingemar
IPC分类号： F02D41/40 , F02B7/08 , F02D19/10 , F02D41/30
CPC分类号： F02D19/10 , F02D19/061 , F02D19/0631 , F02D19/0652 , F02D41/0025 , F02D41/3029 , F02D41/3035 , Y02T10/128 , Y02T10/36
摘要： The present invention relates to method for enhancing late oxidation in a dual fuel internal combustion engine of the diesel-type, comprising a combustion chamber being at least partly delimited by a piston, a first fuel supply for a first fuel, said first fuel supply being located in or at the combustion chamber and/or in an inlet port thereof, and a second fuel supply for a second fuel, the method comprising the steps of: • pre-mixing said first fuel in said combustion chamber and/or in said inlet port, • compressing the charge containing the first fuel to conditions close to homogeneous charge compression ignition of said first fuel, • performing a first injection of the second fuel into said combustion chamber to initiate auto-ignition of said second fuel and subsequently said first fuel, further comprising the step of • performing at least one subsequent injection, said subsequent injection supplying additional kinetic energy into the combustion process to thereby enhance late mixing in the combustion chamber, so as to improve late oxidation during combustion. The invention also relates to a dual fuel internal combustion engine of the diesel-type.
摘要翻译：本发明涉及一种用于在柴油型双燃料内燃机中增强后期氧化的方法，其包括至少部分地由活塞限定的燃烧室，用于第一燃料的第一燃料供应，所述第一燃料供应是位于燃烧室内和/或其入口端口，以及用于第二燃料的第二燃料供应装置，该方法包括以下步骤：将所述第一燃料预混合在所述燃烧室和/或所述入口端口，将压缩含有第一燃料的电荷压缩至接近于所述第一燃料的均质充量压缩点火的状态，执行将第二燃料首次注入所述燃烧室以启动所述第二燃料的自动点火，随后所述第一燃料进一步包括以下步骤：执行至少一次随后的注射，所述随后的注射向燃烧过程提供额外的动能，从而增强后期在燃烧室中混合，以改善燃烧期间的后期氧化。本发明还涉及柴油型双燃料内燃机。

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