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    • 4. 发明申请
    • Engine power assembly
    • 发动机动力总成
    • US20060086327A1
    • 2006-04-27
    • US10973811
    • 2004-10-25
    • Paul FlynnJeffrey LebegueJohn DowellBarry Record
    • Paul FlynnJeffrey LebegueJohn DowellBarry Record
    • F02F1/16
    • F02F1/16F01P3/02F01P11/04F01P2003/021F01P2003/024F02F2001/106
    • A locomotive diesel engine, having a cylinder liner and a separate water jacket surrounding the cylinder liner, with a portion of the water jacket being positioned between the cylinder liner and the engine frame, where the cylinder liner is supported by the water jacket. An external shoulder on the cylinder liner can be supported by an internal flange in the water jacket, thereby eliminating direct contact between the cylinder liner and the engine frame. A coolant passage can be provided between the water jacket and the cylinder liner, at a point adjacent the topmost position of the top piston ring. An upper liner seal can be provided between the cylinder liner and the water jacket, above the coolant passage, and a lower liner seal can be provided between the cylinder liner and the engine frame, below the coolant passage. Coolant ports can be provided for coolant flow directly between the cylinder head and the water jacket, with seals in the coolant ports to seal the coolant, independently of the head gasket.
    • 一种机车柴油发动机,其具有气缸套和围绕气缸套的单独的水套,一部分水套位于气缸套和发动机框架之间,气缸套由水套支撑。 气缸套上的外肩可以由水套中的内部法兰支撑,从而消除气缸套与发动机框架之间的直接接触。 在顶部活塞环的最高位置附近的位置处,可以在水套和气缸套之间设置冷却剂通道。 可以在气缸套和水套之间在冷却剂通道上方设置上衬套密封件,并且可以在冷却剂通道下方的气缸套和发动机框架之间设置下衬套密封件。 可以提供冷却剂端口用于直接在气缸盖和水套之间的冷却剂流,冷却剂端口中的密封件独立于头垫片密封冷却剂。
    • 5. 发明申请
    • Diesel engine control
    • 柴油发动机控制
    • US20060178800A1
    • 2006-08-10
    • US11343401
    • 2006-01-31
    • Gong ChenRichard McGowanDonald MelpolderShawn GallagherJohn DowellKyle Stott
    • Gong ChenRichard McGowanDonald MelpolderShawn GallagherJohn DowellKyle Stott
    • F02D41/40
    • F02D41/0097F02D2200/0406F02D2200/0414F02D2200/703
    • A diesel engine (10) wherein both the operating speed of the engine (RPM) and the timing of the fuel injection into the engine (AA) are cooperatively controlled to be responsive to both the temperature and the pressure of the air (30) used for combustion. A controller (44) receives a temperature signal (28), an air pressure signal (36), and a power demand signal (24) and executes control logic to produce a fuel injection control signal (46) and an engine speed control signal (48) for controlling a fuel injection system (16). A control strategy based on engine inlet air temperature and pressure or manifold air density may be useful for variable speed and power applications. For applications with discreet speed and power points, such as a locomotive, a speed and timing control strategy based on ambient temperature and pressure is useful for maximizing power during high altitude and/or high ambient/inlet air temperature operation.
    • 一种柴油发动机(10),其中发动机的运转速度(RPM)和燃料喷射到发动机(AA)的时间均协调地控制,以响应所使用的空气(30)的温度和压力 用于燃烧。 控制器(44)接收温度信号(28),气压信号(36)和功率需求信号(24),并执行控制逻辑以产生燃料喷射控制信号(46)和发动机转速控制信号 48),用于控制燃料喷射系统(16)。 基于发动机入口空气温度和压力或歧管空气密度的控制策略可用于可变速度和功率应用。 对于具有谨慎的速度和功率点的应用,例如机车,基于环境温度和压力的速度和时序控制策略对于在高海拔和/或高环境/进气温度运行期间最大化功率是有用的。