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    • 4. 发明授权
    • Lubricating device for four-stroke engine
    • 四冲程发动机润滑装置
    • US08387595B2
    • 2013-03-05
    • US13177311
    • 2011-07-06
    • Masaki SugiyamaTetsuya Hasegawa
    • Masaki SugiyamaTetsuya Hasegawa
    • F01M1/06
    • F01M1/04F01M11/065F01M13/022F01M13/028F16N7/32
    • A lubricating device for a four-stroke engine is provided that circulates oil while lubricating each part in a valve operating chamber and a crank chamber by supplying the oil to the valve operating chamber and the crank chamber using pressure fluctuation in the crank chamber, the pressure fluctuation being caused by reciprocating motion of a piston. The valve operating chamber is formed by mounting a valve operating chamber cover, and a suction passageway that sucks the oil in the valve operating chamber is provided by forming a groove on an inner surface of the valve operating chamber cover and sealing the groove with a sealing member shaped to fit the groove.
    • 提供了一种用于四冲程发动机的润滑装置,其通过使用曲柄室中的压力波动向阀操作室和曲柄室供油,同时润滑阀操作室和曲柄室中的每个部件来循环油,压力 波动是由活塞的往复运动引起的。 通过安装阀操作室盖形成阀操作室,并且通过在阀操作室盖的内表面上形成凹槽并且用密封件密封凹槽来提供吸入阀操作室中的油的抽吸通道 构件成形为适合凹槽。
    • 7. 发明授权
    • Engine
    • 发动机
    • US08439157B2
    • 2013-05-14
    • US13275732
    • 2011-10-18
    • Masaki SugiyamaTetsuya Hasegawa
    • Masaki SugiyamaTetsuya Hasegawa
    • F01N13/10
    • F01N13/1805F01N1/08F01N13/002F01N13/1855F01N2590/04F01N2590/06
    • An object of the present invention is to provide a muffler mounting structure configured to be able to prevent fastening parts from slackening by reducing the thermal conductivity from an exhaust port to the muffler mounting bosses and an engine including the muffler mounting structure. An engine of the present invention 100 includes a cylinder block 101 or the cylinder head 10 constitutes a combustion chamber 105 with a piston 104, an exhaust port configured to communicate with the combustion chamber, and a muffler mounted to an outlet of the exhaust port, wherein the muffler is mounted with a muffler mounting boss into which a fixing part is fitted, and the muffler mounting boss is connected to a fin formed in the cylinder.
    • 本发明的目的是提供一种消音器安装结构,其构造成能够通过降低从排气口到消声器安装凸台的热传导率和包括消音器安装结构的发动机来防止紧固部件松弛。 本发明的发动机100包括气缸体101或气缸盖10构成具有活塞104的燃烧室105,与燃烧室连通的排气口和安装在排气口的出口的消音器, 其特征在于,所述消声器安装有安装有固定部的消音器安装凸台,所述消音器安装凸台与形成于所述气缸中的翅片连接。
    • 8. 发明申请
    • LUBRICATION APPARATUS FOR FOUR-STROKE ENGINE
    • 四冲程发动机润滑装置
    • US20120199097A1
    • 2012-08-09
    • US13502799
    • 2010-06-23
    • Masaki SugiyamaToshihiro TomitaMasaki KurimotoHiroshi KubotaTetsuya Hasegawa
    • Masaki SugiyamaToshihiro TomitaMasaki KurimotoHiroshi KubotaTetsuya Hasegawa
    • F01M1/04
    • F16N7/32F01M1/04F01M3/04F01M11/02
    • A lubrication apparatus for a four-stroke engine (1) is provided that prevents lubrication failure from occurring around the crankshaft and reliably prevents oil from remaining in a valve operating chamber (30). The lubrication apparatus for the four-stroke engine (1) includes: an intake part (55) positioned below the level of an oil A in an oil reservoir (7) even if the oil reservoir (7) is tilted and the level of the oil A changes; an oil feeding passageway (54) that sucks up the oil A from the intake part (55) and supplies the oil A to the crank chamber (5a); and an direct passageway (47) that allows communication between a valve operating chamber (30) and a crank chamber (5a) when a negative pressure is created in the crank chamber (5a). Open end parts (47a, 54a) of the oil feeding passageway (54) and the direct passageway (47) which are open in the crank chamber (5a) are provided to open as the piston (13) moves from a position near the top dead center to the top dead center. It is possible to control the flow rate of oil supplied to the crank chamber (5a) via the oil supply passageway (54) by means of a flow rate control passageway (67) that allows communication between a supply passageway (51) to supply oil mist from the oil reservoir (7) to the valve operating chamber (30) and the oil feeding passageway (54).
    • 提供一种用于四冲程发动机(1)的润滑装置,其防止在曲轴周围发生润滑故障,并且可靠地防止油残留在阀操作室(30)中。 用于四冲程发动机(1)的润滑装置包括:即使储油器(7)倾斜并且油位(7)的水平位于油藏(7)中的位于油A的高度之下的进气部分(55) 油A变化; 供油通路(54),其从所述进气部(55)吸入油A,并将油A供给到所述曲柄室(5a); 以及当在曲柄室(5a)中产生负压时允许阀操作室(30)和曲柄室(5a)之间的连通的直接通道(47)。 供油通道(54)的开口端部(47a,54a)和在曲柄室(5a)中敞开的直接通道(47)设置成随着活塞(13)从靠近顶部 死中心到上死点。 可以通过流量控制通道(67)来控制经由供油通道(54)供应到曲柄室(5a)的油的流量,流量控制通道(67)允许供给通道(51) 从油箱(7)到阀操作室(30)和供油通道(54)的雾。
    • 9. 发明授权
    • Four-stroke engine
    • 四冲程发动机
    • US09022004B2
    • 2015-05-05
    • US13688289
    • 2012-11-29
    • Akihiro HaraToshiaki TanakaTetsuya Hasegawa
    • Akihiro HaraToshiaki TanakaTetsuya Hasegawa
    • F01M1/02F01M1/04F01M1/06F01M11/06F01M13/00
    • F01M1/04F01M1/06F01M11/065F01M13/00
    • A four-stroke engine is provided to lubricate driving parts including a crankshaft and valve operating members while circulating oil, using pressure fluctuation in a crank chamber, the pressure fluctuation being caused by reciprocating motion of a piston. A cam driving parts move with rotation of the crankshaft; a driving chamber and a rocker chamber are connected to one another; the rocker chamber is connected to the crank chamber and a gas-liquid separator; the oil accumulated in a tank is sucked up into the crank chamber and circulated through each part of the four-stroke engine; the crank chamber and the driving chamber are connected to one another via a communicating passage and a return passage; and the crank chamber and the driving chamber connected to one another via the return passage communicate with one another only when the piston is located in a vicinity of the top dead center.
    • 提供一种四冲程发动机,其利用曲轴室内的压力波动来润滑包括曲轴和阀操作构件的驱动部件,同时循环油,所述压力波动是由活塞的往复运动引起的。 凸轮驱动部件随着曲轴的旋转而移动; 驱动室和摇臂室彼此连接; 摇臂室连接到曲柄室和气液分离器; 储存在油箱中的油被吸入曲柄室并循环通过四冲程发动机的每一部分; 曲柄室和驱动室通过连通通道和返回通道彼此连接; 并且仅当活塞位于上止点附近时,通过回流通路彼此连接的曲柄室和驱动室相互连通。