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    Four-stroke internal combustion engine
    5.
    发明公开
    Four-stroke internal combustion engine 审中-公开
    四冲程内燃机

    公开(公告)号：EP1267053A1

    公开(公告)日：2002-12-18

    申请号：EP02020880.7

    申请日：2000-01-13

    申请人： BRIGGS & STRATTON CORPORATION

    发明人： Hirsch, Nicolas Robert ,  Schaefer, Mark Donald ,  Braun, Michael Paul ,  Hotz, Peter ,  Wiatrowski, Darrell Albert ,  Bartelt, Ronald Lee ,  Hubbard, Brian

    IPC分类号： F02B63/02 ,  F02B75/16

    CPC分类号： F01M3/00 ,  F01M1/04 ,  F01M9/10 ,  F01M11/0004 ,  F01M11/06 ,  F01M11/064 ,  F01M11/065 ,  F01M11/067 ,  F01M13/022 ,  F01M2001/064 ,  F01M2011/0041 ,  F01M2013/0422 ,  F02B1/04 ,  F02B63/02 ,  F02B69/00 ,  F02B75/16 ,  F02B2075/027 ,  F02B2275/22 ,  F02B2275/30 ,  F02F1/305 ,  F05C2201/021

    摘要： A four-stroke internal combustion engine (20) is provided. There is provided within an engine housing (28) an oil reservoir (126) and a valve chamber (156) which independently communicate with a crank chamber (124). A strategically placed divider (116) and passageway, located within the engine housing (28), appropriately direct lubricant within the engine housing (28) so that the internal cavity of the engine is lubricated during use in various operating attitudes, and so that the fluid flows to and is held in the proper chambers of the engine housing during storage. There is also provided a breather arrangement for an internal combustion engine (20) which includes a cam shaft (98) having a hollow passageway in communication wit the crank chamber (124) and the air intake system of the engine. There is also provided an engine housing which can be utilized for engines having different horse power ratings. There is also provided a crankshaft bearing assembly (68, 70) which prevents damage to the bearing upon insertion of the crankshaft (80) into the crank chamber (124).

    摘要翻译： 提供四冲程内燃机（20）。 在发动机壳体（28）内设置有独立地与曲轴室（124）连通的储油器（126）和阀室（156）。 位于发动机壳体（28）内的策略性放置的分隔器（116）和通道适当地将润滑剂引导到发动机壳体（28）内，使得发动机的内腔在各种操作姿态下的使用期间被润滑， 流体在存储期间流入并保持在发动机壳体的适当腔室中。 还提供了一种用于内燃机（20）的通气装置，其包括具有与曲轴室（124）和发动机的进气系统连通的中空通道的凸轮轴（98）。 还提供了一种可用于具有不同马力额定值的发动机的发动机壳体。 还提供了一种曲轴轴承组件（68,70），其在曲轴（80）插入曲轴室（124）时防止损坏轴承。

    Four-stroke internal combustion engine
    9.
    发明公开
    Four-stroke internal combustion engine 有权
    Viertakt-Brennkraftmaschine

    公开(公告)号：EP1486652A1

    公开(公告)日：2004-12-15

    申请号：EP04022245.7

    申请日：2000-01-13

    申请人： BRIGGS & STRATTON CORPORATION

    发明人： Hirsch, Nicolas Robert ,  Schaefer, Mark Donald ,  Braun, Michael Paul ,  Hotz, Peter ,  Wiatrowski, Darrell Albert ,  Bartelt, Ronald Lee ,  Hubbard, Brian

    IPC分类号： F02B63/02 ,  F01M11/06 ,  F02B75/16

    CPC分类号： F01M3/00 ,  F01M1/04 ,  F01M9/10 ,  F01M11/0004 ,  F01M11/06 ,  F01M11/064 ,  F01M11/065 ,  F01M11/067 ,  F01M13/022 ,  F01M2001/064 ,  F01M2011/0041 ,  F01M2013/0422 ,  F02B1/04 ,  F02B63/02 ,  F02B69/00 ,  F02B75/16 ,  F02B2075/027 ,  F02B2275/22 ,  F02B2275/30 ,  F02F1/305 ,  F05C2201/021

    摘要： A four-stroke internal combustion engine (20) is provided. There is provided within an engine housing (28) an oil reservoir (126) and a valve chamber (156) which independently communicate with a crank chamber (124). A strategically placed divider (116) and passageway, located within the engine housing (28), appropriately direct lubricant within the engine housing (28) so that the internal cavity of the engine is lubricated during use in various operating attitudes, and so that the fluid flows to and is held in the proper chambers of the engine housing during storage. There is also provided a breather arrangement for an internal combustion engine (20) which includes a cam shaft (98) having a hollow passageway in communication wit the crank chamber (124) and the air intake system of the engine. There is also provided an engine housing which can be utilized for engines having different horse power ratings. There is also provided a crankshaft bearing assembly (68, 70) which prevents damage to the bearing upon insertion of the crankshaft (80) into the crank chamber (124).

    摘要翻译： 提供一种四冲程内燃机（20）。 在发动机壳体（28）内设置有与曲柄室（124）独立连通的储油器（126）和阀室（156）。 位于发动机壳体（28）内的策略性分配器（116）和通道适当地引导发动机壳体（28）内的润滑剂，使得发动机的内腔在各种操作态度的使用期间被润滑，并且使得 在储存期间，流体流动并被保持在发动机壳体的适当室中。 还提供了一种用于内燃机（20）的通气装置，其包括具有与曲轴室（124）和发动机的进气系统连通的中空通道的凸轮轴（98）。 还提供了可用于具有不同马额定功率的发动机的发动机壳体。 还提供了一种曲轴轴承组件（68,70），其在将曲轴（80）插入曲柄室（124）中时防止损坏轴承。