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    Engine valve shaft with flow passages for intake and exhaust control
    5.
    发明授权
    Engine valve shaft with flow passages for intake and exhaust control 有权

    公开(公告)号：US10344682B1

    公开(公告)日：2019-07-09

    申请号：US15406615

    申请日：2017-01-13

    Applicant: Andre H Vandenberg

    Inventor： Andre H Vandenberg

    IPC: F01L1/06 ,  F01L7/02 ,  F02D13/02 ,  F01L13/00 ,  F01L9/04 ,  F02P5/145 ,  F02B75/02 ,  F01L1/36

    Abstract: An internal combustion engine (10) with variable valve timing has one or more valve shafts (38, 44) connected to stepper motors (54) for angularly positioning the one or more valve shafts (38, 44) relative to an engine block (12). Flow passages (50, 52) are formed into the one or more valve shafts (38, 44) for passing intake air and exhaust gases into and from the engine (10). Sensors (58, 60 and 62) are located adjacent a crankshaft (28) and the one or more valve shafts (38, 44) for determining crankshaft positions and valve shaft positions relative to the engine block (12). An engine control unit (56) receives crank shaft and valve shaft position signals and emits control signals to the stepper motors (54) to selectively operate the engine in two stroke, four stroke, six stroke, eight stroke, and ten stroke modes. Electrically controlled clutches (74 and 76) are mounted to respective ones of the crankshaft (28) and the valve shafts (38, 44), and connected by a timing chain (72) for actuating to provide backup valve shaft.

    Lubricating device for overhead valve engine
    6.
    发明授权
    Lubricating device for overhead valve engine 失效
    顶置阀发动机润滑装置

    公开(公告)号：US4762098A

    公开(公告)日：1988-08-09

    申请号：US79028

    申请日：1987-07-29

    Applicant: Shinichi Tamba ,  Hitoshi Yamamoto ,  Akihito Shimizu

    Inventor： Shinichi Tamba ,  Hitoshi Yamamoto ,  Akihito Shimizu

    IPC: F01M1/06 ,  F01L1/06 ,  F01M9/06 ,  F01M13/00 ,  F01M13/04 ,  F02B75/02 ,  F02F7/00

    CPC classification number: F01L1/06 ,  F01M13/00 ,  F01M9/06 ,  F02B2075/027 ,  F02F7/006

    Abstract: A lubricating device for an overhead valve engine having a rocker arm chamber provided with a valve gear, a crank chamber provided with a valve driving gear, and valve drive push rods disposed between the valve gear and the valve driving gear. Provided are paths respectively communicating aforesaid crank chamber to aforesaid rocker arm chamber, aforesaid rocker arm chamber to aforesaid push rod chamber, and the bottom of aforesaid push rod chamber to aforesaid crank chamber through a bearing portion on a power takeoff side, or the bottom of aforesaid push rod chamber is communicated to aforesaid bearing portion of aforesaid power takeoff side with an outlet for breather gas in aforesaid push rod chamber.

    Abstract translation: 一种用于具有设置有阀齿轮的摇臂室，具有阀驱动齿轮的曲柄室和设置在阀齿轮和阀驱动齿轮之间的阀驱动推杆的顶置阀发动机的润滑装置。 设有将前述曲柄室与上述摇臂室分别连通的路径，上述摇臂室通过上述推杆室，上述推杆室的底部通过动力输出侧的轴承部分或上述曲轴室的底部 上述推杆室与上述动力输出侧的上述轴承部分连通，在前述推杆室中具有用于呼吸气体的出口。

    Valve system for overhead valve type four-cycle engine
    7.
    发明授权
    Valve system for overhead valve type four-cycle engine 失效
    顶置式四冲程发动机的阀门系统

    公开(公告)号：US4683847A

    公开(公告)日：1987-08-04

    申请号：US811890

    申请日：1985-12-20

    Applicant: Tetsuzo Fujikawa ,  Makizo Hirata ,  Shinichi Tamba

    Inventor： Tetsuzo Fujikawa ,  Makizo Hirata ,  Shinichi Tamba

    IPC: F01L1/04 ,  F01L1/06 ,  F01L1/10 ,  F01L1/12 ,  F02B75/02

    CPC classification number: F01L1/06 ,  F02B2075/027

    Abstract: A valve system for the overhead valve type four-cycle engine disposing the intake and exhaust valves substantially symmetrically to each other with respect to the cylinder center line, wherein the valve stems are so tilted in the cylinder head that the valve bodies are in juxtaposition close to the cylinder center line. Guide cams are disposed around the circumferential surface of the crank shaft, respectively return back to the same starting point while making two turns, and respectively have one projection in the course of the turn, for driving the intake and exhaust valves. Between the guide cams and the respective intake and exhaust valve, a sliding piece, push rod and rocker arm are provided, and the projection on each of aforesaid cam is designed to be placed at such a position as to engage with the sliding piece to the opening timing of the intake and exhaust valves.

    Abstract translation: 一种用于顶置式四冲程发动机的阀门系统，其将进气门和排气门相对于气缸中心线彼此大致对称地布置，其中阀杆在气缸盖中倾斜，使阀体并列靠近 到气缸中心线。 引导凸轮围绕曲轴的圆周表面设置，分别在两匝回到相同的起始点，并且在转弯过程中分别具有一个突起，用于驱动进气门和排气门。 在导向凸轮和相应的进气和排气阀之间设置有滑动件，推杆和摇臂，并且每个上述凸轮上的突起设计成被放置在与滑动件接合的位置上 进气和排气阀的打开正时。

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