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    • 43. 发明公开
    • Supercharging apparatus for internal combustion engine
    • AufladevorrichtungfürBrennkraftmaschinen。
    • EP0412369A1
    • 1991-02-13
    • EP90114390.9
    • 1990-07-26
    • Mazda Motor Corporation
    • Sasaki, JunsouFujimoto, HidefumiIwata, Noriyuki
    • F02B33/36F02D23/00F02B39/16
    • F04C28/26F02B33/36F02B33/446F02B39/12F02B39/16F04C18/16
    • A supercharging apparatus for an internal combustion engine comprises the screw type supercharger (1) having an inlet opening (5) and an outlet opening (18) and the supercharger is adapted to compress intake air relative to the engine (26) in compression chambers (2d) between the openings when an electromagnetic clutch (15) engages the supercharger with the crankshaft (33) of the engine. The supercharging apparatus includes an intake air bypass passage (42) for allowing the intake air to bypass the supercharger and a bypass control valve (43) provided therein for closing the passage. The supercharger has a communication passage (37) for allowing the two compression chambers (2d) to intercommunicate for relieving the compression chambers of the compression pressure therein, and a controller (41) allows the communication passage (37) to releive the compression pressure during the disengagement of the electromagnetic clutch (15) and causes the bypass control valve (43) to close the intake air bypass passage (42) in association with the relief of the compression pressure by the communication passage.
    • 一种用于内燃机的增压装置,包括具有入口开口(5)和出口(18)的螺杆式增压器(1),增压器适于在压缩室中相对于发动机(26)压缩进气 当电磁离合器(15)与增压器与发动机的曲轴(33)接合时,在开口之间。 增压装置包括用于允许进气旁通增压器的进气旁通通道(42)和用于关闭通道的旁通控制阀(43)。 增压器具有用于允许两个压缩室(2d)相互连通的连通通道(37),用于将压缩室中的压缩室释放,并且控制器(41)允许连通通道(37)在 电磁离合器(15)的分离,并且使旁通控制阀(43)与通过连通通道释放压缩压力相关联而关闭进气旁通通道(42)。