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    Decompression system for internal combustion engine
    3.
    发明公开
    Decompression system for internal combustion engine 有权
    VerdichtungsverminderungssystemfürVerbrennungsmotor

    公开(公告)号：EP1703123A1

    公开(公告)日：2006-09-20

    申请号：EP06001951.0

    申请日：2006-01-31

    申请人： HONDA MOTOR CO., Ltd.

    发明人： Saito, Shigeru ,  Suzuki, Takashi ,  Moriyama, Hiroshi

    IPC分类号： F02N17/08 ,  F01L13/08

    CPC分类号： F02N19/004 ,  F01L1/024 ,  F01L13/08 ,  F01L13/085 ,  F01L2101/00 ,  F01L2820/035 ,  F02N3/02

    摘要： An engine decompression system that can secure a projecting height of a decompression cam from a base face of a valve operating cam to be relatively large in an engine starting rotational region, and maintain a state in which the projection height is decreased in a complete combustion rotational region of the engine. The decompression system includes a decompression cam shaft provided on a valve operating cam shaft or a rotating member integrally coupled thereto, the decompression cam shaft being capable of rotating between an operating position in which a decompression cam projects above a base face of a valve operating cam to slightly open engine valves during a compression stroke and a release position in which the decompression cam is withdrawn to allow the engine valves to close. A centrifugal mechanism connected to the decompression cam shaft maintains the decompression cam shaft at an operating position in a starting rotational region, and rotates the decompression cam shaft to the release position in a normal running region. The centrifugal mechanism is arranged so that, in a complete combustion rotational region between the starting rotational region and the normal running region, the decompression cam shaft is maintained at a middle position at which the projection height of the decompression cam is less than the projection height at the operating position. The centrifugal mechanism comprises two weights and a return spring to allow at least three equilibrium positions of the decompression system corresponding to the operating, middle and released position.

    摘要翻译： 一种发动机减压系统，其能够将发动机起动旋转区域中的减压凸轮的突出高度从气门操作凸轮的基面保证为相对较大，并且保持突出高度在完全燃烧旋转中降低的状态 引擎区域 减压系统包括减压凸轮轴，该减压凸轮轴设置在阀操作凸轮轴或与其一体地联接的旋转部件上，减压凸轮轴能够在减压凸轮突出于气门操作凸轮的基面之上的操作位置之间旋转 在压缩行程期间稍微打开发动机气门，并且释放位置，其中减压凸轮被抽出以允许发动机气门关闭。 连接到减压凸轮轴的离心机构将减压凸轮轴保持在起动旋转区域中的操作位置，并且将减压凸轮轴在正常行驶区域中旋转到释放位置。 离心机构配置成，在起动转动区域与正常行驶区域之间的完全燃烧旋转区域中，减压凸轮轴保持在减压凸轮的突出高度小于突出高度的中间位置 在操作位置。 离心机构包括两个重物和复位弹簧，以允许对应于操作，中间和释放位置的减压系统的至少三个平衡位置。

    Automatic choke system for carburetor
    5.
    发明公开
    Automatic choke system for carburetor 有权
    对于化油器自动冷起动装置

    公开(公告)号：EP1621754A2

    公开(公告)日：2006-02-01

    申请号：EP05015669.4

    申请日：2005-07-19

    申请人： HONDA MOTOR CO., Ltd.

    发明人： Edamatsu, Shigeki ,  Moriyama, Hiroshi ,  Suzuki, Takashi ,  Sato, Takanori

    IPC分类号： F02M1/10

    CPC分类号： F02M1/10

    摘要： An automatic choke system includes: a wax-type temperature sensing section; and an output section which opens a choke valve of a carburetor in response to heat receiving operation of the temperature sensing section. Temperature sensing section includes: a bottomed cylindrical housing attached to an engine with its bottom portion directed to a high-temperature portion of the engine; a bottomed movable cylinder; a stationary piston slidably supported by the movable cylinder and having one end protruding out of the movable cylinder; and a wax contained in the movable cylinder in a sealed manner, and causing the movable cylinder and the stationary piston to move relative to each other in an axial direction. The movable cylinder is slidably housed in the housing in a state in which an outer end of the stationary piston abuts against an inner surface of the bottom portion of the housing. The output section is connected to the movable cylinder. Thus, the rate of opening of the choke valve can be increased immediately after the start of engine warming-up operation, and reduced as approaching the completion of engine warming-up operation.

    Automatic choke system for carburetor
    8.
    发明公开
    Automatic choke system for carburetor 有权
    对于化油器自动冷起动装置

    公开(公告)号：EP1621754A3

    公开(公告)日：2011-09-14

    申请号：EP05015669.4

    申请日：2005-07-19

    申请人： HONDA MOTOR CO., LTD.

    发明人： Edamatsu, Shigeki ,  Moriyama, Hiroshi ,  Suzuki, Takashi ,  Sato, Takanori

    IPC分类号： F02M1/10

    CPC分类号： F02M1/10

    摘要： An automatic choke system includes: a wax-type temperature sensing section; and an output section which opens a choke valve of a carburetor in response to heat receiving operation of the temperature sensing section. Temperature sensing section includes: a bottomed cylindrical housing attached to an engine with its bottom portion directed to a high-temperature portion of the engine; a bottomed movable cylinder; a stationary piston slidably supported by the movable cylinder and having one end protruding out of the movable cylinder; and a wax contained in the movable cylinder in a sealed manner, and causing the movable cylinder and the stationary piston to move relative to each other in an axial direction. The movable cylinder is slidably housed in the housing in a state in which an outer end of the stationary piston abuts against an inner surface of the bottom portion of the housing. The output section is connected to the movable cylinder. Thus, the rate of opening of the choke valve can be increased immediately after the start of engine warming-up operation, and reduced as approaching the completion of engine warming-up operation.