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    • 1. 发明授权
    • Two-state internal combustion engine
    • 二冲程内燃机
    • US5284111A
    • 1994-02-08
    • US70784
    • 1993-06-03
    • Werner GeyerRalf Tuckermann
    • Werner GeyerRalf Tuckermann
    • F02B23/10F02B25/14F02B25/16F02B75/02F02B75/12F02F1/22F02M61/14F02M69/04F02M69/10F02B33/00
    • F02M69/042F02B25/14F02F1/22F02M69/10F02B2075/025F02B2075/125Y02T10/123
    • The invention is directed to a two-stroke internal combustion engine for handheld portable tools such as a motor-driven chain saw with the engine having a piston guided in a cylinder. The base of the piston is rotationally symmetrical and delimits a combustion chamber. An injection valve is mounted in the cylinder wall opposite an exhaust opening for exhaust gases. The injection valve injects fuel toward the piston base at an angle of less than 90.degree.. At least one overflow opening is arranged in the cylinder wall between the exhaust opening and the injection valve. Combustion air flows in through the overflow opening with the downward movement of the piston. The injection jet is directed opposite to the flow direction of the entering combustion air. The injection jet is directed for the most part to the half of the piston base which is disposed away from the exhaust opening and the injection opening is the last opening to be closed by the piston travelling toward top dead center. The duration of injection is continued beyond the closure of the overflow opening and of the exhaust outlet. In this way, an optimal air/fuel mixture is assured even at high rotational speeds.
    • 本发明涉及一种用于手持式便携式工具的二冲程内燃机,例如电动链锯,发动机具有在气缸中引导的活塞。 活塞的底部是旋转对称的并限定燃烧室。 喷射阀安装在与废气排气口相对的气缸壁中。 喷射阀以小于90度的角度朝向活塞底座喷射燃料。 在排气口和喷射阀之间的气缸壁中布置有至少一个溢流口。 燃烧空气随着活塞的向下运动而流过溢流口。 喷射射流与进入的燃烧空气的流动方向相反。 注射射流大部分被定向到远离排气口的活塞底座的一半,并且喷射口是活塞向上死点行进的最后一个开口。 喷射持续时间持续超过溢流口和排气口的关闭。 以这种方式,即使在高转速下也能确保最佳的空气/燃料混合物。
    • 2. 发明授权
    • Fuel injection pump for a two-stroke engine
    • 二冲程发动机燃油喷射泵
    • US5197418A
    • 1993-03-30
    • US940995
    • 1992-09-04
    • Michael WissmannHans NickelRalf TuckermannWerner Geyer
    • Michael WissmannHans NickelRalf TuckermannWerner Geyer
    • F02B63/02F02B75/02F02B75/12F02M59/10F02M59/20F02M59/30F02M67/02F02M69/10
    • F02M69/10F02M59/107F02M59/30F02B2075/025F02B2075/125Y02T10/123
    • The invention is directed to a fuel injection pump for a two-stroke engine which is especially for portable handheld tools such as motor-driven chain saws or the like. A pneumatic drive chamber is provided in the pump housing which is partitioned by a membrane into a pulse chamber charged by the crankcase pressure and a return chamber. A membrane plate holds the membrane and charges a pump piston which plunges into a pump cylinder for injecting fuel when a pulse is present in the pulse chamber. The pump piston draws fuel in by suction during a return stroke of the membrane plate into a start position determined by a stop. The stop is configured so as to be displaceable in the direction of the stroke of the piston in dependence upon temperature in order to obtain an adaptation of the injected quantity of fuel to the operating temperature of the engine. In this way, the stroke of the pump piston can be varied and therefore also the quantity of fuel supplied by the pump.
    • 本发明涉及用于二冲程发动机的燃料喷射泵,其特别适用于诸如电动链锯等便携式手持工具。 在泵壳体中设置气动驱动室,该壳体由膜分隔成由曲轴箱压力充电的脉冲室和回流室。 膜片保持膜并且当在脉冲室中存在脉冲时将泵活塞充入泵活塞,泵活塞用于喷射燃料。 泵活塞在膜片的返回行程期间通过抽吸将燃料吸入由停止确定的起始位置。 挡块被构造成可以根据温度在活塞的行程方向上移动,以便获得喷射量与发动机的工作温度的适应性。 以这种方式,泵活塞的行程可以变化,因此也可以由泵供给的燃料量。
    • 10. 发明申请
    • USER PIVOT NAVIGATION OF SHARED SOCIAL MEDIA
    • 共享社会媒体的用户旅行导航
    • US20090187624A1
    • 2009-07-23
    • US12017056
    • 2008-01-21
    • Elizabeth A. BrownholtzJoan M. DiMiccoCasey DuganWerner GeyerJodi M. LargeDavid R. MillenMichael Muller
    • Elizabeth A. BrownholtzJoan M. DiMiccoCasey DuganWerner GeyerJodi M. LargeDavid R. MillenMichael Muller
    • G06F15/16
    • G06Q10/10
    • Embodiments of the present invention address deficiencies of the art in respect to social media navigation in a social network and provide a method, system and computer program product for user pivot for media sharing in a social network. In an embodiment of the invention, a social networking data processing system for user pivot navigation. The system can include a social network executing in a host server, the social network providing shared media for viewing by communicatively coupled clients. The system also can include user pivot logic coupled to the social network. The logic can include program code enabled to identify a user of the social network associated with shared media selected for display in a media view to a requesting user and to generate a navigation view in a consistent location in a user interface to the social network irrespective of a page view rendered in the user interface, the view providing a link to a profile page for the identified user
    • 本发明的实施例解决了在社交网络中关于社交媒体导航的本领域的缺陷,并提供了用于社交网络中的媒体共享的用户枢纽的方法,系统和计算机程序产品。 在本发明的一个实施例中,一种用于用户枢轴导航的社交网络数据处理系统。 该系统可以包括在主机服务器中执行的社交网络,社交网络提供用于通过通信耦合的客户端查看的共享媒体。 系统还可以包括耦合到社交网络的用户枢轴逻辑。 该逻辑可以包括能够识别与被选择用于在媒体视图中显示到请求用户的共享媒体相关联的社交网络的用户的程序代码,并且在与社交网络的用户界面中的一致位置中生成导航视图,而不管 在用户界面中呈现的页面视图,该视图提供到被识别用户的简档页面的链接