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1. 发明授权

US5353754A Fuel-injection arrangement for an internal combustion engine 失效
标题翻译：用于内燃机的燃油喷射装置
公开(公告)号：US5353754A
公开(公告)日：1994-10-11
申请号：US93155
申请日：1993-07-19
申请人： Michael Wissmann , Hans Nickel , Roland Schierling , Roland Adam , Manfred Thaiss , Werner Geyer
发明人： Michael Wissmann , Hans Nickel , Roland Schierling , Roland Adam , Manfred Thaiss , Werner Geyer
IPC分类号： F02B75/02 , F02M37/04 , F02M37/12 , F02M55/04 , F02M59/10 , F02M59/14 , F02M59/46 , F02M69/10 , F02M69/34 , F04B45/053 , F04B53/00 , F02B33/04
CPC分类号： F02M69/34 , F02M37/043 , F02M37/12 , F02M55/04 , F02M59/107 , F02M59/14 , F02M69/10 , F02B2075/025 , Y10S123/05
摘要： The invention is directed to a fuel-injection arrangement for a two-stroke engine in a motor-driven chain saw. An injection pump is mounted in a base housing with the injection pump including a pump piston axially displaceable in a pump cylinder. The pump piston delimits a pump chamber. The pump chamber is connected via a suction valve to a fuel tank. The fuel drawn by suction is pumped by the pump piston via a pressure valve, an injection line and an injection valve to the engine. For driving the pump piston, the latter is connected at one end to a membrane via a membrane plate. The membrane delimits a work chamber charged with fluctuating crankcase pressure. A simple assembly is provided by arranging the pump chamber, the suction valve and the pressure valve in a common valve housing which, in turn, is seated in the base housing of the injection pump in a seal-tight manner. The injection line is connected directly to the valve housing. This permits a preassembly of the valve housing with the valves provided therein which facilitates the manufacture of the fuel-injection arrangement.
摘要翻译：本发明涉及一种用于电动链锯中的二冲程发动机的燃料喷射装置。注射泵安装在基座壳体中，注射泵包括在泵缸中可轴向移位的泵活塞。泵活塞限定泵室。泵室通过吸入阀连接到燃料箱。通过抽吸抽吸的燃料由泵活塞通过压力阀，注射管线和喷射阀泵送到发动机。为了驱动泵活塞，后者通过膜板在一端连接到膜。隔膜界定了带有波动的曲轴箱压力的工作室。通过将泵室，吸入阀和压力阀布置在共同的阀壳中来提供简单的组件，该阀壳又以密封的方式安置在注射泵的基座中。注射管线直接连接到阀壳体。这允许阀壳体与其中设置的阀预组装，这有助于燃料喷射装置的制造。

2. 发明授权

US6016604A Portable, hand-guided working tool with a rear grip 失效
标题翻译：便携式手动工作工具，带有后把手
公开(公告)号：US6016604A
公开(公告)日：2000-01-25
申请号：US900100
申请日：1997-07-25
申请人： Gunter Wolf , Manfred Thaiss
发明人： Gunter Wolf , Manfred Thaiss
IPC分类号： B25F5/00 , B27B17/00 , B23D57/02
CPC分类号： B27B17/0008 , B25F5/006 , B27B17/0033
摘要： A portable, hand-guided working tool has a drive motor and a motor housing in which the drive motor is housed. The motor housing has a front side and a rear side when viewed in the direction of the longitudinal center axis of the working tool. A tool member is connected to the front side of the motor housing and extends forwardly in the direction of the longitudinal center axis. The tool member is driven by the drive motor. The rear grip is connected by vibration damping elements to the rear side of the motor housing and extends rearwardly in the direction of the longitudinal center axis. An abutment device includes a first abutment member connected to the motor housing and positioned between the rear end and the rear grip and includes a second abutment member connected to the rear grip and cooperating with the first abutment member for limiting a relative movement between the motor housing and the rear grip.
摘要翻译：便携式手动工作工具具有驱动马达和驱动马达所容纳的马达壳体。当从工作工具的纵向中心轴线的方向观察时，电动机壳体具有前侧和后侧。工具构件连接到电动机壳体的前侧，并沿着纵向中心轴线的方向向前延伸。工具构件由驱动电机驱动。后把手通过减振元件连接到电动机壳体的后侧，并沿着纵向中心轴线的方向向后延伸。邻接装置包括连接到电动机壳体并且定位在后端和后把手之间的第一邻接构件，并且包括连接到后把手并与第一邻接构件配合的第二邻接构件，用于限制电动机壳体和后把手。

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