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    • 93. 发明申请
    • NOZZLED TURBOCHARGER TURBINE AND ASSOCIATED ENGINE AND METHOD
    • 喷射式涡轮增压器和相关发动机及方法
    • WO2013003576A1
    • 2013-01-03
    • PCT/US2012/044619
    • 2012-06-28
    • CATERPILLAR INC.O'HARA, Steve
    • O'HARA, Steve
    • F02B39/00F01D9/04F01D25/24
    • F02B37/22F01D9/026F01D9/045F02B37/025F02B37/24F02M26/05F05D2220/40F05D2230/53F05D2250/232F05D2250/52F05D2260/606Y02T10/144Y10T29/4932
    • A turbocharger (119) for an internal combustion engine (100) includes a center housing (202), a shaft (125) rotatably supported in the center housing (202), and a turbine wheel (212) connected at one end of the shaft (125). A turbine housing (215) is connected to the center housing (202) and disposed around the turbine wheel (212). A bore (234) formed in the turbine housing (215) extends from a gas outlet (128) end of the turbine housing (215) to an annular stop surface (308) of the turbine housing (215) disposed adjacent the turbine wheel (212). A nozzle ring (238) disposed in the bore (234) surrounds a portion of the turbine wheel (212). An outlet cone (316) is disposed at least partially in the bore (234) and surrounds a remaining portion of the turbine wheel (212). The outlet cone (316) is connected to the gas outlet (128) end of the turbine housing (215).
    • 用于内燃机(100)的涡轮增压器(119)包括中心壳体(202),可旋转地支撑在中心壳体(202)中的轴(125)和连接在轴的一端的涡轮机叶轮 (125)。 涡轮壳体(215)连接到中心壳体(202)并围绕涡轮机叶轮(212)设置。 形成在涡轮机壳体(215)中的孔(234)从涡轮机壳体(215)的气体出口(128)端部延伸到涡轮机壳体(215)的邻近涡轮机叶轮(215)的环形止动表面(308) 212)。 设置在孔(234)中的喷嘴环(238)围绕涡轮机叶轮(212)的一部分。 出口锥体(316)至少部分地设置在孔(234)中并且包围涡轮机叶轮(212)的剩余部分。 出口锥体(316)连接到涡轮壳体(215)的气体出口(128)端部。
    • 95. 发明申请
    • FLOW SENSING DUAL PUMP SWITCHING SYSTEM AND METHOD
    • 流量感测双泵切换系统及方法
    • WO2012087657A3
    • 2012-10-18
    • PCT/US2011064594
    • 2011-12-13
    • WOODWARD INCBAKER CARTHEL CBARYSHNIKOV DMITRIY
    • BAKER CARTHEL CBARYSHNIKOV DMITRIY
    • F02M69/16F02M59/44
    • F02C7/236F02C7/232F02C9/263F04B23/04F05D2260/606F05D2270/3015
    • A flow sensing dual pump switching system and method are provided that control the supply of fuel from a dual pump fuel system to a fuel metering unit. The system senses bypass pressure from the fuel metering unit to control the differential pressurization of the second pump. As the bypass is reduced, the pressure of the second pump is increased so that it may be added to that of the first pump to supply the increased fuel consumption needs of an engine. As the fuel consumption needs decrease, the flow from the second pump added to the first pump is reduced and the differential pressure of the second pump is similarly reduced. If the bypass pressure remains high, the switching system disconnects the output of the second pump from that of the first in favor of bypassing the flow to its input to reduce its differential pressure and conserve energy.
    • 提供一种流量检测双泵切换系统和方法,其控制从双泵燃料系统向燃料计量单元的燃料供应。 该系统感测来自燃料计量单元的旁路压力以控制第二泵的差压。 当旁路减少时,第二泵的压力增加,使得其可以被添加到第一泵的压力以提供发动机的增加的燃料消耗需求。 随着燃料消耗量的降低,加入到第一泵的第二泵的流量减少,并且第二泵的差压也同样降低。 如果旁路压力保持很高,则切换系统将第二泵的输出与第一泵的输出断开,有利于将流量旁路到其输入端以减小其压差并节约能量。
    • 96. 发明申请
    • FLOW SENSING DUAL PUMP SWITCHING SYSTEM AND METHOD
    • 流量感应双泵开关系统和方法
    • WO2012087657A2
    • 2012-06-28
    • PCT/US2011/064594
    • 2011-12-13
    • WOODWARD, INC.BAKER, Carthel C.BARYSHNIKOV, Dmitriy
    • BAKER, Carthel C.BARYSHNIKOV, Dmitriy
    • F02M69/16F02M59/44
    • F02C7/236F02C7/232F02C9/263F04B23/04F05D2260/606F05D2270/3015
    • A flow sensing dual pump switching system and method are provided that control the supply of fuel from a dual pump fuel system to a fuel metering unit. The system senses bypass pressure from the fuel metering unit to control the differential pressurization of the second pump. As the bypass is reduced, the pressure of the second pump is increased so that it may be added to that of the first pump to supply the increased fuel consumption needs of an engine. As the fuel consumption needs decrease, the flow from the second pump added to the first pump is reduced and the differential pressure of the second pump is similarly reduced. If the bypass pressure remains high, the switching system disconnects the output of the second pump from that of the first in favor of bypassing the flow to its input to reduce its differential pressure and conserve energy.
    • 提供了一种流量感测双泵切换系统和方法,其控制从双泵燃料系统到燃料计量单元的燃料供应。 该系统检测来自燃油计量单元的旁路压力以控制第二泵的差压。 随着旁路减少,第二泵的压力增加,从而可以将其增加到第一泵的压力以提供发动机的增加的燃料消耗需求。 随着燃料消耗需求降低,来自添加到第一泵的第二泵的流量减小并且第二泵的压差同样减小。 如果旁路压力保持很高,开关系统将第二个泵的输出与第一个泵的输出断开,偏向于将流量旁路到其输入以减小其压差并节省能量。