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    • 84. 发明授权
    • Low speed back pressure generator for affecting torque of an internal
combustion engine
    • 用于影响内燃机转矩的低速背压发生器
    • US4909034A
    • 1990-03-20
    • US219248
    • 1988-07-15
    • Yoshiaki Kakuta
    • Yoshiaki Kakuta
    • F02B27/06F01N1/02F01N1/08F01N1/16F01N5/04F01N13/14F01P5/08F02B1/04F02D9/04
    • F01N13/14F01N1/02F01N1/08F01N1/165F01N5/04F01P5/08F02D9/04F01N2210/04F01N2270/02F01N2490/20F02B1/04Y02T10/16
    • A back pressure generator for affecting torque of an internal combustion engine having an exhaust system comprises a tubular housing, a main passage part for exhaust gas in the housing, a valve body movably supported in the main passage part for movement in response to the force of exhaust gas on the valve body, a valve seat in the main passage part which when engaged by the valve body closes the main passage part, a spring for resiliently urging the valve body towards the closed position having a predetermined force characteristic for moving the valve body into the closed position when the engine is idling and allowing the valve body to move in a direction downstream relative to the exhaust gas flow proportionally in response to the force of the exhaust gas on the valve body to a fully open position, regulating holes in the main passage engageable by the valve body for controlling the flow of exhaust gas through the main passage in response to the position of the valve body, and a separate passage in the housing for bypassing flow of exhaust gas around the valve body when the valve body is in the closed position and having a size for restricting flow sufficiently to produce back pressure in the exhaust system and affect the torque of the engine without stalling the engine.
    • 用于影响具有排气系统的内燃机的扭矩的背压发生器包括管状壳体,用于壳体中的废气的主通道部分,阀体,其可移动地支撑在主通道部分中,以响应于 阀体上的排气,主通路部分中的阀座,当与阀体接合时,主阀体封闭主通道部分;弹簧,用于弹性地将阀体朝向关闭位置推动,该弹簧具有预定的力特性,用于使阀体移动 当发动机怠速并且允许阀体相对于排气流动的下游方向成比例地响应于阀体上的排气的力而成比例地移动到完全打开位置时,调节到关闭位置,调节孔 主通道可由阀体接合,用于响应于阀体的位置控制通过主通道的废气流,并且sep 在阀体处于关闭位置时绕过阀体周围的废气流动并且具有足够的流动限制流动以产生排气系统中的背压的尺寸并且影响发动机的扭矩而不会使发动机停转的尺寸 发动机。
    • 87. 发明授权
    • Method of and apparatus for recovering exhaust gas energy of internal
combustion engine
    • 内燃机废气能量回收方法及装置
    • US4805409A
    • 1989-02-21
    • US184116
    • 1988-04-21
    • Hideaki Kobayashi
    • Hideaki Kobayashi
    • F01N5/04F02B1/04F02B41/10F02G5/02F02N99/00
    • F02G5/02F02B41/10F02B1/04F02N11/00Y02T10/163Y02T10/166
    • Disclosed is a type of an exhaust gas energy recovery method for an internal combustion engine of a type which incorporates a turbine generator driven by the exhaust gas energy of the internal combustion engine and in which the driving power of a motor driven by the power generated by the generator is added to the driving power of the internal combustion engine. The method also incorporates a control device for controlling the output torque of the motor in different forms at low and high speed areas within a variable control range of the rotation speed of the internal combustion engine. The motor is operated with constant torque characteristics at the low speed area and with reduced torque characteristics at the high speed area thereby enabling the exhaust gas energy to be efficiently recovered at an engine speed area where the ratio of engine-operating time is high.
    • 公开了一种用于内燃机的排气能量回收方法,其包括由内燃机的排气能量驱动的涡轮发电机,其中由电动机驱动的电动机的驱动力由 将发电机加到内燃机的驱动力上。 该方法还包括用于在内燃机的转速的可变控制范围内的低速和高速区域处以不同形式控制电机的输出转矩的控制装置。 电动机在低速区域以恒定转矩特性运行,并且在高速区域具有减小的转矩特性,从而能够在发动机运转时间高的发动机转速区域有效地恢复排气能量。