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    • 1. 发明授权
    • Corona igniter having shaped insulator
    • 具有成形绝缘体的电晕点火器
    • US09041273B2
    • 2015-05-26
    • US13325362
    • 2011-12-14
    • John Antony BurrowsJames D. Lykowski
    • John Antony BurrowsJames D. Lykowski
    • H01T13/20H01T13/50
    • H01T13/50
    • A corona igniter (20) for emitting a radio frequency electric field and providing a corona discharge (24) includes a central electrode (22) at a positive voltage, a grounded metal shell (30), and an insulator (28) with an abruption (34) extending radially outward relative to the central electrode (22). The abruption (34) is typically an increase of at least 15% of a local thickness (t) of the insulator (28) over less than 25% of a nose length (el) of an insulator nose region (74). The abruption (34) is typically one flank (82) of a protrusion or a notch, and the flank (82) faces the shell (30). The abruption (34) reverses the electric field and voltage potential gradient along the insulator outer surface (32), repels charged ions away from the insulator (28), and thus prevents the formation of a conductive path between the central electrode (22) and the shell (22).
    • 一种用于发射射频电场并提供电晕放电(24)的电晕点火器(20)包括正电压的中心电极(22),接地的金属壳(30)和具有剥离的绝缘体(28) (34)相对于中心电极(22)径向向外延伸。 在绝缘体鼻部区域(74)的鼻长度(el)小于25%时,该剥离(34)通常是绝缘体(28)的局部厚度(t)的至少15%的增加。 突起(34)通常是突起或凹口的一个侧面(82),并且侧面(82)面向壳体(30)。 剥离(34)沿着绝缘体外表面(32)反转电场和电压梯度,将带电离子排斥离开绝缘体(28),从而防止在中心电极(22)和 外壳(22)。
    • 3. 发明授权
    • Corona igniter including ignition coil with improved isolation
    • 电晕点火器,包括提高隔离度的点火线圈
    • US08638540B2
    • 2014-01-28
    • US13326897
    • 2011-12-15
    • John Antony BurrowsJames D. Lykowski
    • John Antony BurrowsJames D. Lykowski
    • F23Q3/00
    • H01T13/50F02P23/04H01F27/321H01F27/327H01F38/12H01F2038/122H01F2038/125H01T21/02
    • A corona igniter (20) includes an ignition coil (26) providing a high voltage energy to an electrode. The coil (26) is disposed in a housing (34) and electrically isolated by a coil filler (36) and a capacitance reducing component (38) which together improve energy efficiency of the system. The coil filler (36) includes an insulating resin permeating the coil (26). The capacitance reducing component (38) has a permittivity not greater than 6, for example ambient air, pressurized gas, insulating oil, or a low permittivity solid. The capacitance reducing compound (38) surrounds the coil (26) and other components and fills the remaining housing volume. The coil filler (36) has a filler volume and the capacitance reducing component (38) has a component volume greater than the filler volume.
    • 电晕点火器(20)包括向电极提供高电压能量的点火线圈(26)。 线圈(26)设置在壳体(34)中并且通过线圈填料(36)和电容减小部件(38)电隔离,这一起提高了系统的能量效率。 线圈填料(36)包括渗透线圈(26)的绝缘树脂。 电容减小部件(38)的介电常数不大于6,例如环境空气,加压气体,绝缘油或低介电常数固体。 电容减小化合物(38)围绕线圈(26)和其它部件并填充剩余的容积。 线圈填料(36)具有填料体积,并且电容减小组分(38)具有大于填料体积的组分体积。
    • 4. 发明申请
    • MULTI-EVENT CORONA DISCHARGE IGNITION ASSEMBLY AND METHOD OF CONTROL AND OPERATION
    • 多事件放电点火组件及其控制和运行方法
    • US20120145136A1
    • 2012-06-14
    • US13325375
    • 2011-12-14
    • John Antony BurrowsJames D. Lykowski
    • John Antony BurrowsJames D. Lykowski
    • F02P3/01F23Q3/00
    • F02P23/045F02P3/01F02P9/007F02P15/08
    • A corona discharge ignition system 20 includes an igniter 22 for receiving pulses of electrical energy each having a radio frequency. The igniter 22 emits pulses of electrical field ionizing a fuel-air mixture and providing pulses of corona discharge 24, rather than a continuous, un-pulsed corona discharge over the same period of time. The system 20 includes at least one power supply 48, 50 providing the electrical energy to a corona drive circuit 52 and ultimately to the igniter 22. The system 20 can include a variable high voltage power supply 50 and a local charge storage device 70 for providing pulses of the electrical energy to the corona drive circuit 52. The system 20 provides a robust ignition comparable to a single event corona discharge ignition system, with improved resistance to arc formation, while using a fraction of the energy.
    • 电晕放电点火系统20包括用于接收具有射频的电能的脉冲的点火器22。 点火器22发射电场脉冲电离燃料 - 空气混合物并提供电晕放电脉冲24,而不是在同一时间段内连续的非脉冲电晕放电。 系统20包括至少一个电源48,50,其将电能提供给电晕驱动电路52并最终提供给点火器22.系统20可包括可变高压电源50和本地电荷存储装置70,用于提供 电能的脉冲到电晕驱动电路52.系统20提供与单个事件电晕放电点火系统相当的强大点火,同时使用一部分能量,具有改进的电弧形成阻力。
    • 5. 发明授权
    • Corona ignition device having asymmetric firing tip
    • 具有不对称点火尖端的电晕点火装置
    • US09103313B2
    • 2015-08-11
    • US13324069
    • 2011-12-13
    • John Antony BurrowsJames D. Lykowski
    • John Antony BurrowsJames D. Lykowski
    • F02P9/00F02P23/04H01T13/46H01T13/50H01T21/02
    • F02P9/007F02P23/045H01T13/467H01T13/50H01T21/02Y10T29/49231
    • A corona ignition system for providing a corona discharge (24) includes an igniter (20) having an electrode (26) with an asymmetrical firing tip (28) relative to an electrode center axis (ae). The firing tip (28) includes a first surface area (A1) facing the fuel injector (42) which is greater than a second surface area (A2) facing a cylinder block (32). The first surface area (A1) presents a projection (60) having a sharp edge, and the second surface area (A2) presents a round outward surface (62). Accordingly, a radio frequency electric field emitted from the first surface area (A1) provides a robust corona discharge (24) in a flammable area at an outside edge (30) of the fuel spray. No electric field is emitted from the second surface area (A2), and no power arcing occurs between the second surface area (A2) and the cylinder block (32).
    • 用于提供电晕放电(24)的电晕点火系统包括具有相对于电极中心轴线(ae)具有不对称点火尖端(28)的电极(26)的点火器(20)。 击发尖端(28)包括面向燃料喷射器(42)的第一表面区域(A1),其大于面向气缸体(32)的第二表面区域(A2)。 第一表面区域(A1)具有尖锐边缘的突起(60),第二表面区域(A2)呈圆形的外表面(62)。 因此,从第一表面区域(A1)发射的射频电场在燃料喷雾的外边缘(30)处的易燃区域中提供坚固的电晕放电(24)。 没有电场从第二表面区域(A2)发射,并且在第二表面区域(A2)和气缸体(32)之间不产生电弧。
    • 7. 发明授权
    • Electrical arrangement of hybrid ignition device
    • 混合点火装置的电气布置
    • US08749945B2
    • 2014-06-10
    • US13222616
    • 2011-08-31
    • John Antony BurrowsJames D. Lykowski
    • John Antony BurrowsJames D. Lykowski
    • F23Q3/00G03G15/02F02P3/05
    • F02P23/04F02P3/01F02P9/007F23Q3/00
    • A corona ignition system 20 includes a corona drive circuit 26 and an auxiliary energy circuit 28. The energy circuit 28 stores energy during a standard corona ignition cycle. When arc discharge occurs or corona discharge switches to an arc discharge, the energy circuit 28 discharges the stored energy to the electrode 30 to intentionally maintain a robust arc discharge 29 and thus provide reliable ignition. The stored energy is transmitted to the electrode 30 over a predetermined period of time. The arc discharge is detected and an arc control signal 60 is transmitted to the energy circuit 28, triggering discharge of the stored energy to the electrode 30. The stored energy can be transmitted to the electrode 30 along a variety of different paths. The voltage of the stored energy is typically increased by an energy transformer 70 before being transmitted to the electrode 30.
    • 电晕点火系统20包括电晕驱动电路26和辅助能量回路28.能量回路28在标准电晕点火循环期间存储能量。 当发生电弧放电或电晕放电切换到电弧放电时,能量回路28将存储的能量排出到电极30,以有意维持坚固的电弧放电29,从而提供可靠的点火。 存储的能量在预定时间段内被传送到电极30。 检测到电弧放电,并且将电弧控制信号60发送到能量回路28,从而将存储的能量排放到电极30上。所存储的能量可以沿各种不同的路径传送到电极30。 存储能量的电压在被传送到电极30之前通常由能量变换器70增加。
    • 9. 发明申请
    • CORONA IGNITER HAVING SHAPED INSULATOR
    • 具有形状绝缘体的CORONA IGNITER
    • US20120181916A1
    • 2012-07-19
    • US13325362
    • 2011-12-14
    • John Antony BurrowsJames D. Lykowski
    • John Antony BurrowsJames D. Lykowski
    • H01T13/20H01T21/02
    • H01T13/50
    • A corona igniter (20) for emitting a radio frequency electric field and providing a corona discharge (24) includes a central electrode (22) at a positive voltage, a grounded metal shell (30), and an insulator (28) with an abruption (34) extending radially outward relative to the central electrode (22). The abruption (34) is typically an increase of at least 15% of a local thickness (t) of the insulator (28) over less than 25% of a nose length (1) of an insulator nose region (74). The abruption (34) is typically one flank (82) of a protrusion or a notch, and the flank (82) faces the shell (30). The abruption (34) reverses the electric field and voltage potential gradient along the insulator outer surface (32), repels charged ions away from the insulator (28), and thus prevents the formation of a conductive path between the central electrode (22) and the shell (22).
    • 一种用于发射射频电场并提供电晕放电(24)的电晕点火器(20)包括正电压的中心电极(22),接地的金属壳(30)和具有剥离的绝缘体(28) (34)相对于中心电极(22)径向向外延伸。 在超过绝缘体鼻部区域(74)的鼻部长度(1)的25%以下时,剥离(34)通常是绝缘体(28)的局部厚度(t)的至少15%的增加。 突起(34)通常是突起或凹口的一个侧面(82),并且侧面(82)面向壳体(30)。 剥离(34)沿着绝缘体外表面(32)反转电场和电压梯度,将带电离子排斥离开绝缘体(28),从而防止在中心电极(22)和 外壳(22)。