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    • 11. 发明授权
    • Stratified scavenging two-cycle engine
    • 分层清扫双循环发动机
    • US06289856B1
    • 2001-09-18
    • US09445660
    • 1999-12-10
    • Masanori Noguchi
    • Masanori Noguchi
    • F02B3300
    • F02B75/16F02B25/16F02B2075/025F02F1/22F02F3/24
    • A stratified scavenging two-cycle engine is capable of doing away with emission of a mixture into the atmosphere and of reducing intake resistance of air. For this purpose, an air intake port (11) is provided at a position which is a predetermined distance away from scavenging ports (51) toward a crank chamber (20) parallel to the axial direction of the cylinder block (1), and the scavenging ports (51) are connected to the air intake port (11) through a piston (3) to thereby supply air to scavenging flow passages (50) from the air intake port (11) through the scavenging ports (51) at the time of an intake stroke.
    • 分层清扫双循环发动机能够消除大气中的混合物的排放并降低空气的进气阻力。 为此,在与扫气口(51)相对于与气缸体(1)的轴向平行的曲柄室(20)的预定距离的位置处设置有吸气口(11), 清扫口(51)通过活塞(3)与吸气口(11)连接,从而从空气吸入口(11)通过扫气口(51)向空气流通道(50)供给空气 的进气冲程。
    • 14. 发明授权
    • Stratified scavenging two-cycle engine
    • 分层清扫双循环发动机
    • US06298811B1
    • 2001-10-09
    • US09242385
    • 1999-02-16
    • Toshiharu SawadaMasanori NoguchiBuhei Kobayashi
    • Toshiharu SawadaMasanori NoguchiBuhei Kobayashi
    • F02B3304
    • F02B33/04F02B25/22F02B33/446F02B2075/025
    • A stratified scavenging two-cycle engine, whose simple configuration can satisfy the regulation of emission rate of THC in exhaust gas, includes: a cylinder block (4), housing a piston (1) so as to be vertically slidable and having an exhaust port (14) and a scavenging port (16) in a sidewall; a scavenging flow passage (22), for connection between a crank chamber (8) and the scavenging port (16); an air supply flow passage (24), connected to the scavenging flow passage (22) and supplying air through a check valve (26); and a mixture supply flow passage (20), for supplying mixture to the crank chamber (8). The supply quantity ratio R=qa/Qf, which is the ratio of a supply quantity qa of air flowing through the air supply flow passage (24) to a supply quantity Qf of mixture flowing through the mixture supply flow passage (20) during a suction stroke in which pressure in the crank chamber (8) is negative, is in the range of 0.7≦R≦1.4.
    • 一种分层清扫双循环发动机,其简单配置可以满足废气中THC排放速率的调节,包括:缸体(4),容纳活塞(1)以便可垂直滑动并具有排气口 (14)和清洗口(16); 用于在曲柄室(8)和扫气口(16)之间连接的扫气流道(22); 与所述扫气流路(22)连接并通过止回阀(26)供给空气的供气流路(24); 和用于将混合物供给到曲柄室(8)的混合物供给流路(20)。 供给量比R = qa / Qf,其是流过供气流路(24)的空气的供给量qa与流过混合物供给流路(20)的混合物的供给量Qf的比率 曲柄室(8)中的压力为负的吸入行程在0.7 <= R <1.4的范围内。
    • 17. 发明授权
    • Stratified scavenging two-cycle engine
    • 分层清扫双循环发动机
    • US06240886B1
    • 2001-06-05
    • US09284430
    • 1999-04-12
    • Masanori Noguchi
    • Masanori Noguchi
    • F02B3304
    • F02B33/04F02B17/00F02B25/14F02B25/22F02B33/44F02B2075/025F02F1/22
    • The present invention is a stratified scavenging two-cycle engine which can make exhaust gas cleaner. For this purpose, in a stratified scavenging two-cycle engine, which includes a scavenging flow passage (3) to connect a cylinder chamber (4a) and a crank chamber (1a) and an air flow passage (2) connected to the scavenging flow passage (3), is constructed so that pressure reduction in a crank chamber (1a) following an upward movement of a piston (7) permits air to be drawn into the scavenging flow passage (3) from the air flow passage (2) and a scavenging port (3a), at which the scavenging flow passage (3) is opened to a cylinder inner surface (4b), is not fully obstructed by a side wall of the piston (7) and communicates with the crank chamber (1a).
    • 本发明是一种能够使废气清洁的分层清扫双循环发动机。 为此,在分层清扫双冲程发动机中,其包括连接气缸室(4a)和曲轴室(1a)的扫气流通道(3)和连接至扫气流的气流通道(2) 通道(3)构造成使得在活塞(7)向上运动之后的曲柄室(1a)中的压力降低允许空气从空气流动通道(2)吸入扫气流动通道(3),并且 清扫流路(3)向气缸内表面(4b)开口的清扫口(3a)未被活塞(7)的侧壁完全阻挡并与曲柄室(1a)连通, 。
    • 18. 发明授权
    • Stratified scavenging two-cycle engine
    • 分层清扫双循环发动机
    • US06216650B1
    • 2001-04-17
    • US09284532
    • 1999-04-14
    • Masanori Noguchi
    • Masanori Noguchi
    • F02B3304
    • F02D41/10F02B25/22F02B33/04F02B2075/025F02D41/105F02D41/3023F02D2400/04F02M7/06
    • The present invention relates to a stratified scavenging two-cycle engine, in which control of an air flow rate provides favorable acceleration performance and can prevent deterioration of exhaust gas. The stratified scavenging two-cycle engine includes a scavenging flow passage (3) for connection between a cylinder chamber (4a) and a crank chamber (1a), an air flow passage (2) connected to the scavenging flow passage (3), an air flow rate control means (12) for controlling a flow rate of air fed to the scavenging flow passage (3) from the air flow passage (2), and a fuel mixture flow rate controller (11) for controlling a flow rate of a fuel mixture drawn into the crank chamber (1a) from a fuel mixture flow passage (10). The air flow rate controller (12) throttles an air flow rate at the time of acceleration. Alternatively, the air flow rate controller (12) is opened later than the mixture flow rate controller (11) at the time of acceleration.
    • 本发明涉及一种分层清扫双循环发动机,其中空气流量的控制提供良好的加速性能并且可以防止废气的劣化。 分层清扫双循环发动机包括用于在气缸室(4a)和曲柄室(1a)之间连接的扫气流道(3),连接到扫气流道(3)的气流通道(2) 用于控制从空气流通道(2)供给到扫气流路(3)的空气的流量的空气流量控制装置(12),以及用于控制流量 燃料混合物从燃料混合物流动通道(10)吸入曲柄室(1a)。 空气流量控制器(12)在加速时节流空气流量。 或者,空气流量控制器(12)比加速时的混合流量控制器(11)稍后打开。