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公开(公告)号：EP0860589A1
公开(公告)日：1998-08-26
申请号：EP98103013.3
申请日：1998-02-20
IPC分类号： F01M13/02
CPC分类号： F01M13/021 , F01M13/025 , F01M2013/0055 , F01M2013/0438
摘要： A closed crankcase ventilation system for a turbocharger internal combustion engine is proposed which uses differential pressure between the turbo compressor inlet and the crankcase to force blow-by gases through a separation device. The zone of low pressure of the turbo compressor inlet is located at the innermost diameter of the compressor inlet shroud. The difference between the pressure in the compressor inlet and the crankcase creates a vacuum which pulls gas from the crankcase into the ventilation system. The ventilation system includes a high restriction separator (25) for removing oil from the blow-by gases. A control valve (24) bypasses the separation device when insufficient pressure differential exists to drive the separator.
摘要翻译： 提出了一种用于涡轮增压器内燃机的闭式曲轴箱通风系统，其使用涡轮压缩机入口和曲轴箱之间的压差来迫使窜气通过分离装置。 涡轮压缩机入口的低压区域位于压缩机入口护罩的最内径。 压缩机入口和曲轴箱之间的压力之间的差异产生了将气体从曲轴箱吸入通风系统的真空。 通风系统包括用于从窜气中除去油的高限制分离器（25）。 当存在不足的压差以驱动分离器时，控制阀（24）绕过分离装置。
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公开(公告)号：EP0860589B1
公开(公告)日：2002-05-15
申请号：EP98103013.3
申请日：1998-02-20
IPC分类号： F01M13/02
CPC分类号： F01M13/021 , F01M13/025 , F01M2013/0055 , F01M2013/0438
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公开(公告)号：EP0599520B1
公开(公告)日：1997-04-16
申请号：EP93309020.1
申请日：1993-11-11
IPC分类号： F01D25/16
CPC分类号： F16C33/1075 , F01D25/168 , F16C17/047 , F16C2360/24
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公开(公告)号：EP0599520A1
公开(公告)日：1994-06-01
申请号：EP93309020.1
申请日：1993-11-11
IPC分类号： F01D25/16
CPC分类号： F16C33/1075 , F01D25/168 , F16C17/047 , F16C2360/24
摘要： A thrust bearing (35) for a turbocharger includes a main body portion which defines a central bore (54) for receipt of a thrust collar, an oil reservoir (53) in the shape of a blind, oblong slot disposed in the main body portion and an oil passageway (55) connecting the oil reservoir (53) with the central bore (54). As oil is drained from the turbocharger by a siphoning action as the engine oil level drops, oil which is stored in the oil reservoir (53) will remain and after the engine has completely stopped this stored oil is available to drain into the interface between the thrust collar and central bore (54) of the thrust bearing (35) in order to provide lubricating oil to this interface upon restart of the engine. Oil is also provided by the reservoir (53) to the turbine and compressor journal bearings where it is held in small clearances on the inner and outer surfaces of the journal bearings.
摘要翻译： 用于涡轮增压器的止推轴承（35）包括限定用于接收止推环的中心孔（54）的主体部分，设置在主体部分中的盲孔长椭圆形的储油器（53） 以及将储油器（53）与中心孔（54）连接的油通道（55）。 当发动机油位下降时，通过虹吸作用将油从涡轮增压器排出，存储在储油器（53）中的油将保留，并且在发动机完全停止之后，该储存的油可用于排入 止推轴环和推力轴承（35）的中心孔（54），以便在发动机重起时向该界面提供润滑油。 油也由油箱（53）提供给涡轮机和压缩机轴颈轴承，其中它在轴颈轴承的内表面和外表面上保持小间隙。
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公开(公告)号：EP0664385B1
公开(公告)日：2003-04-09
申请号：EP95300125.2
申请日：1995-01-10
发明人： Raub, Jonathan H. , Baker, Glenn L.
IPC分类号： F02B37/02
CPC分类号： F02B67/10 , F01D9/026 , F01N13/107 , F02B37/00 , F02B37/02 , F02B37/025 , Y02T10/144
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公开(公告)号：EP0664385A1
公开(公告)日：1995-07-26
申请号：EP95300125.2
申请日：1995-01-10
发明人： Raub, Jonathan H. , Baker, Glenn L.
IPC分类号： F02B37/02
CPC分类号： F02B67/10 , F01D9/026 , F01N13/107 , F02B37/00 , F02B37/02 , F02B37/025 , Y02T10/144
摘要： An internal combustion engine has a turbocharger inlet flange (19) mounted to the outlet flange (21) of the exhaust manifold (16) of the engine. The exhaust gas flow out of the manifold (16) is through two ports (46 and 47) having a centrally located guide wall directing flow from the manifold (16) out the flange (21) into the turbocharger inlet. The two ports (46 and 47) are trapezoidal in shape with a short common dividing wall which, for each port (46,47), blends at a short radius into two diverging straight walls, one at each end of the common wall, and which blend from their ends into the outer wall of the port (46,47), resulting in a trapezoidal port shape. The inlet flange (19) of the turbocharger casing has ports matching and in registry with the two ports (46 and 47) of the exhaust manifold flange (21).
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