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    • 7. 发明申请
    • FORMING A PERFORATE MEMBRANE BY LASER DRILLING AND A SUBSEQUENT ELECTRO-POLISHING STEP
    • 通过激光钻孔和后续电抛光步骤形成高性能膜
    • WO2003026832A1
    • 2003-04-03
    • PCT/GB2002/004093
    • 2002-09-06
    • THE TECHNOLOGY PARTNERSHIP PLCBLAKEY, David, Mark
    • BLAKEY, David, Mark
    • B23K26/38
    • B05B1/185B05B15/40B05B17/0646B23K26/384Y10T29/49432Y10T29/49433Y10T29/496
    • A method of forming a perforate membrane (1) is disclosed for use in a liquid transport device. The membrane has at least plural nozzles (10) formed therethrough. Each of those nozzles has a throat portion (12) opening at opposite end through opposite surface (2') of the perforate membrane and a smoothly curved outwardly diverging portion (11) extending from the first end of the throat portion to the first surface (2) of the perforate membrane. Laser energy is applied selectively to the first surface (2) of the membrane in the form of a pulsed, focused beam to form the nozzles (10) and thereafter the first surface (2) of the membrane and the surface of the diverging portion (11) of the nozzles (10) are electro-polished to remove surface imperfections. The electro-polishing is controlled so as to remove material from the surface of the diverging portion (11) of the nozzles to a depth less than the length of the throat portion (12).
    • 公开了一种形成穿孔膜(1)的方法,用于液体输送装置。 膜具有穿过其中形成的至少多个喷嘴(10)。 这些喷嘴中的每一个具有通过穿孔膜的相对表面(2')的相对端开口的喉部(12)和从喉部的第一端延伸到第一表面的平滑弯曲的向外发散部分(11) 2)穿孔膜。 激光能量以脉冲聚焦光束的形式选择性地施加到膜的第一表面(2)以形成喷嘴(10),此后,膜的第一表面(2)和发散部分的表面 11)喷嘴(10)被电抛光以去除表面缺陷。 控制电抛光以便从喷嘴的发散部分(11)的表面移除至小于喉部(12)的长度的深度的深度。
    • 8. 发明申请
    • INJECTOR PLATE, ESPECIALLY FOR FUEL INJECTION VALVES, AND PROCESS FOR ITS PRODUCTION
    • JET板,特别是对生产喷气板燃料喷射阀和方法
    • WO1997007332A1
    • 1997-02-27
    • PCT/DE1996000980
    • 1996-06-04
    • ROBERT BOSCH GMBHKUBACH, Hans
    • ROBERT BOSCH GMBH
    • F02M61/18
    • F02M61/1853B05B1/06Y10T29/49417Y10T29/49432
    • The present invention relates to an injector plate (10), especially for fuel injection valves, with at least one flow path with at least one inlet aperture (12) comprising an annular slot (15) opening into an annular outlet aperture (19), and a process for producing such an injector plate (10). The flow path of the injector plate (10) has an annular channel (14) allocated to the inlet aperture (12) merging into a cylindrical annular slot (15) with a cross section tapering in the region of the outlet aperture (19, 19'). To produce the injector plate (10), a hollow shape (30) corresponding to the flow path through the injector plate (10) is made, a layer (44) embedding the hollow shape (30) is galvanically deposited and the hollow shape (30) is removed from the galvanically deposited layer (44).
    • 本发明涉及一种喷嘴板(10),特别是用于燃料喷射阀,具有至少一个的至少一个供给口(12),其具有包括在一个环形出口开口的开口进入的流路(19)的环形间隙(15),以及制造这样的喷嘴板的方法 (10)。 在喷嘴板(10)设置,其具有与在所述出口开口(19,19“)的区域分配给(12)的进料口逐渐变细成一个圆柱环形间隙(15)中的环形通道(14)中的一个的流动路径的横截面通过。 生产的喷嘴板(10)的穿过喷嘴板发生在一个流路(10)对应的腔模(30)被制备,使得一个嵌入阴模(30)层(44)电沉积,并且该腔模(30 )从电沉积层(44移除)。
    • 9. 发明申请
    • FUEL INJECTION NOZZLE FOR INTERNAL COMBUSTION ENGINES
    • 燃油喷射喷嘴用于内燃机
    • WO1987000889A1
    • 1987-02-12
    • PCT/DE1986000159
    • 1986-04-11
    • ROBERT BOSCH GMBHBANZHAF, WernerEBLEN, EwaldFABER, HeinrichGIERSCH, Rolf, JürgenHOFMANN, KarlLIEDTKE, DieterNORBERG, Helmut
    • ROBERT BOSCH GMBH
    • F02M61/16
    • F02M61/18F02M61/166F02M61/168Y10T29/49306Y10T29/49432
    • Fuel injection nozzle for internal combustion engines with a tapered valve seat surface (16 or 16a) located in an end-cup (20 or 20a) of the nozzle body (10), in which at least one spray orifice (22) is provided. The outer wall region (30 or 44) of the end-cup (20 or 20a) which lies opposite the valve seating surface (16 or 16a) is of a lesser hardness than that of the inner wall region (18 or 18a) which forms the valve seating surface (16 or 16a). If the spray orifice (22) emerges from a blind hole (32), the outer wall region (40) of the end cup (20a) which surrounds the blind hole (32) should preferably also have a lesser hardness than that of the opposed inner wall region (42). The central wall region (28 or 28a) which lies between these should preferably have an even lesser hardness than that of the outer wall region (30 or 40, 44). In this way it is ensured that the end cup (20 or 20a) of the nozzle body (10 or 10a) can be provided altogether with a greater strength than with a known design, without the valve seat surface losing any of its heardness and without any marked decrease in the protection afforded to the outer wall region (30 or 40, 44) of the end cup (20 or 20a) against abrasive wear and tear.
    • 用于内燃机的燃料喷射喷嘴,其具有位于喷嘴体(10)的端杯(20或20a)中的锥形阀座表面(16或16a),其中设置有至少一个喷孔(22)。 与阀座表面(16或16a)相对的端杯(20或20a)的外壁区域(30或44)的硬度比形成的内壁区域(18或18a)的硬度小 阀座表面(16或16a)。 如果喷孔(22)从盲孔(32)露出,则围绕盲孔(32)的端杯(20a)的外壁区域(40)的硬度应优选小于相对的 内壁区域(42)。 位于它们之间的中心壁区域(28或28a)优选地具有比外壁区域(30或40,44)的硬度更小的硬度。 以这种方式,确保喷嘴体(10或10a)的端杯(20或20a)可以以比已知设计更强的强度来提供,而不会使阀座表面失去其任何的听觉和没有 对端盖(20或20a)的外壁区域(30或40,44)的保护的任何明显的减小都不会磨损和磨损。