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    • 1. 发明授权
    • Internal combustion engine
    • 内燃机
    • US5261358A
    • 1993-11-16
    • US663912
    • 1992-03-07
    • David J. Rorke
    • David J. Rorke
    • F01L11/02F02B25/02F02B25/14F02B33/14F02B33/44F02B75/28F02M59/10F04B19/00F01L11/00
    • F02B25/145F01L11/02F02B25/02F02B33/14F02B33/44F02B75/28F02M59/107F04B19/003
    • An internal combustion engine comprises a cylinder of stepped configuration having a working portion and a pumping portion and a piston of stepped configuration having a working portion and a pumping portion, the working and pumping portions respectively co-operating to define a combustion chamber and a pumping chamber each of which varies in volume upon reciprocation of the piston in the cylinder. Air is admitted to the pumping chamber through a duct from where, on volume reduction thereof, if passes via a plurality of passages and a one-way valve into a transfer chamber. On volume expansion of the combustion chamber, air in chamber is discharged therefrom via a plurality of passages, common discharge port and valve to scavenge the combustion chamber and provide combustion air. The valve may be self-acting or operated by a crankshaft controlled push-rod. A delivery pump operated pneumatically under the influence of the pumping chamber to deliver fuel or a combustible mixture to inlet passage is also disclosed.
    • PCT No.PCT / AU90 / 00114 Sec。 371日期1991年3月7日 102(e)1991年3月7日PCT PCT 1990年3月20日PCT公布。 出版物WO90 / 15230 PCT 日内瓦1990年12月13日。内燃机包括具有工作部分和泵送部分的阶梯状构造的气缸和具有工作部分和泵送部分的阶梯构造的活塞,工作和泵送部分分别与 限定燃烧室和泵送室,每个燃烧室和泵送室在活塞在气缸中往复运动时体积变化。 空气通过管道进入泵送室,如果通过多个通道和单向阀进入传送室,其中容积减小。 在燃烧室的体积膨胀时,室内的空气经由多个通道,公共排放口和阀从其排出,以清除燃烧室并提供燃烧空气。 阀可以由曲轴控制的推杆自动或操作。 还公开了在泵送室的影响下气动地运送的输送泵,以将燃料或可燃混合物输送到入口通道。