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    • 4. 发明授权
    • Fuel injection valve for internal combustion engines
    • 内燃机燃油喷射阀
    • US07331537B2
    • 2008-02-19
    • US10533635
    • 2003-10-27
    • Thomas KueglerJochen MertensHasiman Ueskuedar
    • Thomas KueglerJochen MertensHasiman Ueskuedar
    • F02M61/10F02M47/02F02M63/00F02M61/00F02M51/00
    • F02M61/1873F02M45/086F02M2200/46
    • A fuel injection valve for internal combustion engines, having a valve body (1) in which a bore (3) is embodied that is defined on its end toward the combustion chamber by a valve seat (18) at which at least one injection opening (20) originates. The hollow valve needle (8) is located longitudinally displaceably in the bore (3) and has a valve sealing face (35) on its end oriented toward the valve seat (18). A first sealing region (31; 34) and a second sealing region (32; 46; 48) are embodied on the valve sealing face (35), and upon contact of the hollow valve needle (8) with the valve seat (18), the first sealing region (31; 34) upstream of the at least one injection opening (20) and the second sealing region (32; 46; 48) downstream of that injection opening effect sealing between the valve sealing face (35) and the valve seat (18) (FIG. 1).
    • 一种用于内燃机的燃料喷射阀,其具有阀体(1),其中孔(3)被构造为通过阀座(18)限定在其端部朝向燃烧室的位置,在所述阀座处至少一个喷射开口 20)起源。 中空阀针(8)位于孔(3)内纵向可移位地定位并且在其端部朝向阀座(18)定向的阀密封面(35)上。 第一密封区域(31; 34)和第二密封区域(32; 46; 48)被实施在阀密封面(35)上,并且当中空阀针(8)与阀座(18)接触时, ,所述第一密封区域(31; 34)在所述至少一个喷射开口(20)的上游和所述第二密封区域(32; 46; 48)的下游,所述第二密封区域(32; 46; 48)在所述阀密封面 阀座(18)(图1)。
    • 5. 发明申请
    • Fuel injection valve for internal combustion engines
    • 内燃机燃油喷射阀
    • US20060011749A1
    • 2006-01-19
    • US10533635
    • 2003-10-27
    • Thomas KueglerJochen MertensHasiman Ueskuedar
    • Thomas KueglerJochen MertensHasiman Ueskuedar
    • F02M61/00
    • F02M61/1873F02M45/086F02M2200/46
    • A fuel injection valve for internal combustion engines, having a valve body (1) in which a bore (3) is embodied that is defined on its end toward the combustion chamber by a valve seat (18) at which at least one injection opening (20) originates. The hollow valve needle (8) is located longitudinally displaceably in the bore (3) and has a valve sealing face (35) on its end oriented toward the valve seat (18). A first sealing region (31; 34) and a second sealing region (32; 46; 48) are embodied on the valve sealing face (35), and upon contact of the hollow valve needle (8) with the valve seat (18), the first sealing region (31; 34) upstream of the at least one injection opening (20) and the second sealing region (32; 46; 48) downstream of that injection opening effect sealing between the valve sealing face (35) and the valve seat (18) (FIG. 1).
    • 一种用于内燃机的燃料喷射阀,其具有阀体(1),其中孔(3)被构造为通过阀座(18)限定在其端部朝向燃烧室的位置,在所述阀座处至少一个喷射开口 20)起源。 中空阀针(8)位于孔(3)内纵向可移位地定位并且在其端部朝向阀座(18)定向的阀密封面(35)上。 第一密封区域(31; 34)和第二密封区域(32; 46; 48)被实施在阀密封面(35)上,并且当中空阀针(8)与阀座(18)接触时, ,所述第一密封区域(31; 34)在所述至少一个喷射开口(20)的上游和所述第二密封区域(32; 46; 48)的下游,所述第二密封区域(32; 46; 48)在所述阀密封面 阀座(18)(图1)。
    • 6. 发明授权
    • Fuel-injection system for internal combustion engines
    • 内燃机燃油喷射系统
    • US06925988B2
    • 2005-08-09
    • US10169713
    • 2001-11-17
    • Detlev PotzThomas Kuegler
    • Detlev PotzThomas Kuegler
    • F02M55/02F02M45/08F02M47/00F02M47/02F02M61/10F02M61/16F02M61/20F02M63/00F02M37/04
    • F02M63/0007F02M45/086F02M47/027F02M61/161F02M61/205F02M2200/46
    • A fuel injection system for internal combustion engines, having a high-pressure accumulation chamber, which contains high-pressure fuel, and at least one fuel injection valve, which is connected to the high-pressure accumulation chamber. The fuel injection valve can inject the highly pressurized fuel through injection openings into a combustion chamber of the engine. The fuel injection valve has a control chamber, which is defined by a longitudinally mobile piston and is operationally connected to the fuel injection valve so that the injection cross section of the fuel injection valve is controlled as a function of the hydraulic pressure in the control chamber. A low-pressure accumulation chamber is provided, which can be connected to the control chamber, in which a predetermined fuel pressure is maintained in the low-pressure accumulation chamber that is lower than the pressure in the high-pressure accumulation chamber.
    • 一种用于内燃机的燃料喷射系统,其具有包含高压燃料的高压蓄积室和连接到高压蓄积室的至少一个燃料喷射阀。 燃料喷射阀可以通过喷射口将高压燃料喷射到发动机的燃烧室中。 燃料喷射阀具有控制室,该控制室由纵向移动的活塞限定,并且可操作地连接到燃料喷射阀,使得燃料喷射阀的喷射截面被控制为控制室中的液压的函数 。 设置有低压蓄能室,其能够连接到控制室,其中在低压蓄积室中保持低于高压蓄积室中的压力的​​预定燃料压力。
    • 7. 发明授权
    • Fuel injection system for an internal combustion engine
    • 内燃机燃油喷射系统
    • US06896208B2
    • 2005-05-24
    • US10468475
    • 2002-11-11
    • Thomas Kuegler
    • Thomas Kuegler
    • F02M37/00F02M37/08F02M45/00F02M45/08F02M51/00F02M57/02F02M59/36F02M59/46F02M61/10F02M63/00
    • F02M59/366F02M45/086F02M57/02F02M57/023F02M59/468F02M2200/46
    • For each cylinder of the internal combustion engine, the fuel injection system has one high-pressure fuel pump with a pump work chamber and one fuel injection valve communicating with the pump work chamber. A control valve actuated by means of a piezoelectric actuator control connection of the pump work chamber with a relief region. The fuel injection valve has a first injection valve member, by which at least one first injection opening is controlled and which is movable by the pressure generated in the pump work chamber in an opening direction, counter to a closing force. Inside the hollow first injection valve member, a second injection valve member is guided displaceably, by which at least one second injection opening is controlled and which is movable in an opening direction by the pressure prevailing in the pressure chamber, counter to a closing force; the second injection valve member is urged in the closing direction at least indirectly by the pressure prevailing in a fuel-filled control pressure chamber which is controlled variably as a function of engine operating conditions.
    • 对于内燃机的每个气缸,燃料喷射系统具有一个具有泵工作室的高压燃料泵和与泵工作室连通的一个燃料喷射阀。 通过压电致动器驱动的控制阀控制泵工作室与释放区域的连接。 燃料喷射阀具有第一喷射阀构件,通过该第一喷射阀构件,至少一个第一喷射开口受到控制,并且可以通过在泵工作室中沿打开方向产生的压力抵抗闭合力移动。 在中空的第一注射阀构件内部,可移动地引导第二喷射阀构件,通过该第二喷射阀构件至少一个第二喷射开口被控制并且可以通过压力室中的压力与打开力相反地在打开方向上移动; 所述第二喷射阀构件至少间接地受到燃料填充的控制压力室中的压力的​​作用,所述压力室可变地作为发动机操作条件的函数被控制。
    • 9. 发明申请
    • Fuel injection valve for internal combustion engines
    • 内燃机燃油喷射阀
    • US20070029410A1
    • 2007-02-08
    • US10571099
    • 2004-07-22
    • Thomas KueglerHasiman Üsküdar
    • Thomas KueglerHasiman Üsküdar
    • F02M47/02F02M63/00F02M51/00
    • F02M61/1866F02M45/086F02M61/18F02M2200/46
    • A fuel injection valve for internal combustion engines, having an outer valve seat embodied in a valve body and has a conical shape with an outer opening angle, from which at least one outer injection opening leads. A likewise conical inner valve seat is also provided, which has an inner opening angle, from which at least one inner injection opening leads. The valve body contains a hollow valve needle that has an outer valve sealing surface with which it cooperates with the outer valve seat, thus controlling the opening of the at least one outer injection opening. The hollow valve needle contains a valve needle that has an inner valve sealing surface with which it cooperates with the inner valve seat to control the at least one inner injection opening; the opening angles of the inner valve seat and outer valve seat are different from each other.
    • 一种用于内燃机的燃料喷射阀,其具有体阀体内的外阀座,并且具有外开口角度的圆锥形状,至少一个外喷射开口从该阀体开始。 还提供了一个同样圆锥形的内阀座,其具有内开口角度,至少一个内注射开口从该开口角度引出。 所述阀体包括具有与所述外阀座配合的外阀密封面的中空阀针,从而控制所述至少一个外部喷射口的开口。 所述中空阀针包含具有内阀密封面的阀针,所述阀针与所述内阀座配合,以控制所述至少一个内注射口; 内阀座和外阀座的打开角度彼此不同。
    • 10. 发明授权
    • Fuel injection valve for internal combustion engines
    • 内燃机燃油喷射阀
    • US07143964B2
    • 2006-12-05
    • US10534144
    • 2003-10-31
    • Thomas Kuegler
    • Thomas Kuegler
    • F02M61/00
    • F02M61/1873F02M45/086F02M2200/46
    • A fuel injection valve for internal combustion engines includes a valve body (1) in which a bore (5) is defined in one end, in which a first row of injection openings (20) and a second row of injection openings (22) are formed. In the bore (5), an outer valve needle (8) cooperates with the valve seat (18) for controlling the first row of injection openings (20); between the outer valve needle (8) and the wall of the bore (5), a pressure chamber (14) is formed. In the outer valve needle (8), an inner bore (11) is formed, in which an inner valve needle (10) is located and which cooperates with the valve seat (18) for controlling the second row of injection openings (22). A pressure shoulder (30) is formed on the inner valve needle. A hydraulic opening force is exerted on the inner valve needle (10); by its opening stroke, the outer valve needle (8) opens a throttle connection (32) from the pressure chamber (14) to the pressure shoulder (30) of the inner valve needle (10).
    • 一种用于内燃机的燃料喷射阀包括阀体(1),其中在一端限定有孔(5),其中第一排喷射开口(20)和第二排喷射开口(22) 形成。 在孔(5)中,外阀针(8)与阀座(18)配合用于控制第一排注射开口(20); 在外阀针(8)和孔(5)的壁之间形成有压力室(14)。 在外部阀针(8)中,形成内孔(11),内孔针(10)位于该内孔中,并与阀座(18)配合,用于控制第二排注射口(22) 。 压力肩(30)形成在内阀针上。 液压开启力施加在内阀针(10)上; 通过其打开行程,外阀针(8)从压力室(14)到内阀针(10)的压力肩(30)打开节气门连接件(32)。