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    • 1. 发明申请
    • SOUND ATTENUATION DEVICE AND METHOD FOR A COMBUSTION ENGINE
    • 声音衰减装置和燃烧发动机的方法
    • WO2012048314A1
    • 2012-04-12
    • PCT/US2011055505
    • 2011-10-08
    • PINNACLE ENGINES INCCLEEVES JAMES MFLOWERS DANIEL LHAWKES MICHAEL
    • CLEEVES JAMES MFLOWERS DANIEL LHAWKES MICHAEL
    • F01N1/06F01N1/08
    • F01N1/06F01N1/08F01N2230/04F01N2470/14
    • System comprising a tubular conduit (402) for conducting exhaust gas from an exhaust gas source. A plurality of passages (404) are positioned within a section of said tubular conduit (402), each of the plurality of passages (404) having different passage lengths and a passage cross sectional flow areas such that an approximately equal flow rate is created. Downstream of the plurality of passages (404) follows a collector chamber (414) having a sufficiently large volume to allow for approximately equal pressure across an exit face of the plurality of passages (404). This way equal amounts of sound energy from each side of passages (404) arrive at the collector (414) and interference effects can take place with equal amplitudes which creates efficient sound attenuation. A corresponding method is also disclosed.
    • 系统包括用于从排气源传导废气的管状导管(402)。 多个通道(404)定位在所述管状导管(402)的一部分内,多个通道(404)中的每一个具有不同的通道长度和通道横截面流动区域,使得产生大致相等的流速。 多个通道(404)的下游沿着具有足够大体积的收集器室(414),以允许穿过多个通道(404)的出口面的大致相等的压力。 这样,从通道(404)的每一侧等量的声能到达收集器(414),并且可以以相等幅度进行干扰效应,这产生有效的声音衰减。 还公开了相应的方法。
    • 4. 发明申请
    • IMPROVED SEALING OF SLEEVE VALVES
    • 改进的密封阀
    • WO2012048312A1
    • 2012-04-12
    • PCT/US2011055503
    • 2011-10-08
    • PNNACLE ENGINES INCCLEEVES JAMES MHAWKES MICHAEL
    • CLEEVES JAMES MHAWKES MICHAEL
    • F01L5/06F01L7/04F02B7/02F02B25/08F02B75/28
    • F01L5/06F01B7/04F02B25/06F02B25/08F02B75/282
    • A sleeve valve with a valve body that at least partially encircles at least one piston that moves in a reciprocating manner can, at least partially define with the at least one piston a combustion chamber of an internal combustion engine. A valve actuation mechanism can move the sleeve valve between an open position and a closed position to control flow through a port of the internal combustion engine. The sealing edge of the sleeve valve can be urged against a valve seat by an urging force generated by the valve actuation mechanism when the sleeve valve is moved to the closed position. At least one of the sleeve valve and the valve seat can include a valve assistance feature that assists the valve actuation mechanism in resisting forces generated by the internal combustion engine in opposition to the urging force. Related articles, systems, and methods are described.
    • 具有至少部分地围绕至少一个以往复方式移动的活塞的阀体的套筒阀可以至少部分地与所述至少一个活塞限定内燃机的燃烧室。 阀致动机构可使套筒阀在打开位置和关闭位置之间移动,以控制通过内燃机端口的流量。 当套筒阀移动到关闭位置时,套筒阀的密封边缘可以通过由阀致动机构产生的推动力而推靠在阀座上。 套筒阀和阀座中的至少一个可以包括阀辅助特征,其辅助阀致动机构抵抗由内燃机产生的与施力相反的力。 描述相关文章,系统和方法。