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    • 91. 发明申请
    • Handheld work apparatus
    • 手持式工作装置
    • US20090126672A1
    • 2009-05-21
    • US12149622
    • 2008-05-06
    • Predag OstojicAndreas LingenMichael SchmidJorg Amann
    • Predag OstojicAndreas LingenMichael SchmidJorg Amann
    • F02F1/00
    • F02N19/004F02B25/14F02B2075/025F02D15/04F02D2400/06
    • A handheld work apparatus has an internal combustion engine (9, 9′, 9″) and a starter device (8). The internal combustion engine has a piston (10, 10″) which has at least one piston ring (37, 38). In order to avoid a delay when starting the engine, at least one recess is provided in the cylinder bore (26) which bridges the at least one piston ring (37, 38) in at least one position of the piston (10, 10′) and which has a distance (n, o, p) to all function openings of the engine (9, 9′, 9″) configured in the cylinder bore (26). To reduce the compression in the combustion chamber (25), the piston (10′) has only one piston ring (37) or two piston rings (37, 38) are provided having respective piston ring gaps (39, 40) defining an angle (β) which is up to approximately 45°.
    • 手持式作业装置具有内燃机(9,9',9“)和起动装置(8)。 内燃机具有至少一个活塞环(37,38)的活塞(10,10“)。 为了在启动发动机时避免延迟,至少一个凹槽设置在气缸孔(26)中,该凹槽将活塞(10,10')的至少一个位置上的至少一个活塞环(37,38) ),并且其具有构造在气缸孔(26)中的发动机(9,9',9“)的所有功能开口的距离(n,o,p)。 为了减小燃烧室(25)中的压缩,活塞(10')仅具有一个活塞环(37)或两个活塞环(37,38),其具有相应的活塞环间隙(39,40) (β),其高达约45°。
    • 94. 发明申请
    • Method for the manufacture of a three-dimensional molding
    • 制造三维成型的方法
    • US20070035069A1
    • 2007-02-15
    • US11452131
    • 2006-06-13
    • Frank WustMichael Schmid
    • Frank WustMichael Schmid
    • B29C35/08
    • B22F3/1055B29C64/153B33Y80/00Y02P10/295
    • The invention relates to a method for the manufacture of a three-dimensional molding (29), wherein the molding (29) is generated from a solidifiable powder material by consecutively solidifying individual layers through the effect of radiation (27), while generating a new layer by exposing traces that are arranged adjacent to each other to radiation, wherein, in order to form an overhang region (47), a contour trace (49) is formed on a coherently solidified region and on a powder material (17) that has not solidified yet, the contour trace (49) is adjusted to an outer contour at least in the region of transition from the solidified region to the powder material (17) that has not solidified yet, and the at least one further contour trace (49′) adjusted to the outer contour is formed of non-solidified material (17) while comprising a high overlapping degree in relation to the previously formed contour trace (49).
    • 本发明涉及一种制造三维模制件(29)的方法,其中模制件(29)由可凝固的粉末材料产生,通过辐射效应(27)连续地固化各个层,同时产生新的 通过将彼此相邻布置的轨迹曝光于辐射,其中为了形成悬垂区域(47),在相干凝固区域和粉末材料(17)上形成轮廓线(49),所述粉末材料(17)具有 尚未固化,至少在从固化区域到尚未固化的粉末材料(17)的过渡区域中将轮廓轨迹(49)调整到外轮廓,并且至少一个另外的轮廓轨迹(49) 调整到外轮廓的''''由非固化材料(17)形成,同时包括相对于先前形成的轮廓轨迹(49)的高重叠度。