Spray gun with variable load line control
    11.
    发明申请
    Spray gun with variable load line control 审中-公开
    喷枪具有可变负载线控制

    公开(公告)号:US20050041361A1

    公开(公告)日:2005-02-24

    申请号:US10490756

    申请日:2002-10-17

    Inventor: Jeffrey Perkins

    CPC classification number: B05B5/0531 B05B5/10

    Abstract: A power supply (80) for an electrostatic spray gun (70) includes a circuit for dynamic manipulation of an operational loadline. Various embodiments are provided, including an analog circuit, a variable frequency circuit, a variable waveform circuit and a variable impedance circuit. The manipulation circuit may be used with either or both of an internal and an external feedback arrangement.

    Abstract translation: 用于静电喷枪(70)的电源(80)包括用于操作负载线的动态操纵的电路。 提供了各种实施例,包括模拟电路,可变频率电路,可变波形电路和可变阻抗电路。 操作电路可以与内部和外部反馈装置中的一个或两者一起使用。

    Electrostatic rotary atomizing spray device
    14.
    发明授权
    Electrostatic rotary atomizing spray device 失效
    静电旋转雾化喷雾装置

    公开(公告)号:US5697559A

    公开(公告)日:1997-12-16

    申请号:US404355

    申请日:1995-03-15

    Abstract: A rotary atomizer has an internal power supply in the atomizer housing about which is passed cooling air. The air then flows out of the atomizer housing in a twisting direction as vectored air in the same direction of rotation as the atomizer head to eliminate any vacuum condition around the atomizer head and to provide shaping control of the coating being sprayed. Exhaust air from an air turbine motor driving the atomizer head is directed around the outside surface of the atomizer housing to prevent the liquid coating from wrapping back and accumulating onto the atomizer housing. A speed sensing system is mounted in the atomizer housing and utilizes both magnetics and optics for accurately measuring the rotational speed of the air turbine motor in the presence of high electrostatic charge and RF fields from the internal power supply. The power supply is disposed within the atomizer housing about the turbine motor. The atomizing head, in one embodiment, incorporates an insert which divides the flow of coating material into a plurality of individual streams to improve the atomization of the coating material from the atomizing head. In another embodiment, an insert is located in the atomizing head to insure that the front flow surface of the atomizer head remains wet during operation so that the atomizing head is easier to clean. The power supply is ring shaped and encircles the turbine and the paint flow passage through the turbine. An intrinsic safety barrier is provided to supply electrical power to the power supply. The intrinsic safety barrier is incorporated into the feedback loop of a voltage regulator.

    Abstract translation: 旋转雾化器在雾化器壳体中具有内部电源,围绕其流过冷却空气。 然后空气以与雾化器头相同的旋转方向作为向心空气沿着扭转方向流出雾化器壳体,以消除雾化器头周围的任何真空状况,并提供被喷涂的涂层的成形控制。 来自驱动雾化器头的空气涡轮马达的排出空气围绕着雾化器壳体的外表面,以防止液体涂层回缩并积聚在雾化器壳体上。 速度感测系统安装在雾化器壳体中,并利用磁力和光学元件在存在来自内部电源的高静电荷和RF场的情况下精确地测量空气涡轮电机的转速。 电源被设置在雾化器壳体内围绕涡轮马达。 在一个实施例中,雾化头包括将涂层材料流分成多个单独流体以改善涂料从雾化头雾化的插入物。 在另一个实施例中,插入件位于雾化头中以确保在操作期间雾化器头部的前部流动表面保持湿润,使得雾化头部更易于清洁。 电源是环形的,并且包围涡轮机和通过涡轮机的油漆流动通道。 提供固有的安全屏障以向电源提供电力。 固有安全栅被并入电压调节器的反馈回路中。

    Electrostatic powder coating gun and method of generating a high voltage
in such a gun
    15.
    发明授权
    Electrostatic powder coating gun and method of generating a high voltage in such a gun 失效
    静电粉末喷涂枪和在这种枪中产生高电压的方法

    公开(公告)号:US5506746A

    公开(公告)日:1996-04-09

    申请号:US126512

    申请日:1993-09-24

    Applicant: Kurt Seitz

    Inventor: Kurt Seitz

    CPC classification number: B05B5/0531 H02M3/33507

    Abstract: The invention provides a method of generating a high voltage in an electrostatic powder coating gun with a high-voltage generator having a transformer and a high-voltage cascade arrangement. The primary coil of the transformer is fed with an a.c. supply voltage operating at a working frequency. During operation of the coating gun, the frequency of the supply voltage is continuously varied about the working frequency, the current intensity of the primary coil current of the transformer is also continuously detected and the direction of frequency variation is reversed every time an increase in the current intensity of the primary coil current is determined. An electrostatic powder coating gun operating with the present high-voltage generating method includes a current detection circuit for continuously detecting the current intensity of the primary coil current of the transformer, a sweep generator for continuously varying the frequency of the supply voltage about the working frequency, and a control for controlling the operation of the sweep generator.

    Abstract translation: 本发明提供一种在具有变压器和高压级联布置的高压发生器的静电粉末喷涂枪中产生高电压的方法。 变压器的初级线圈馈入一个交流电。 供电电压工作在工作频率。 在喷枪运行期间,电源电压的频率在工作频率周围不断变化,变压器的初级线圈电流的电流强度也被连续检测,频率变化的方向每次都会相反 确定初级线圈电流的电流强度。 以本高压发生方法运行的静电粉末喷涂枪包括:电流检测电路,用于连续地检测变压器的初级线圈电流的电流强度;扫描发生器,用于连续地改变关于工作频率的电源电压的频率 ,以及用于控制扫描发生器的操作的控制。

    Induction spray charging apparatus
    16.
    发明授权
    Induction spray charging apparatus 失效
    感应喷雾充电装置

    公开(公告)号:US5409162A

    公开(公告)日:1995-04-25

    申请号:US103212

    申请日:1993-08-09

    Inventor: James E. Sickles

    Abstract: Induction charging apparatus for HVLP spray guns includes an air cap having a central fluid exit orifice for receiving the spray gun nozzle. The cap includes one or more charging electrodes surrounding the orifice and carrying a voltage sufficiently large to induce on the spray droplets charges of a polarity opposite to that on the electrodes. The cap includes a rotatable electrical connector to enable the cap to rotate 360.degree., while maintaining electrical connections between the electrodes and a power supply.

    Abstract translation: 用于HVLP喷枪的感应充气装置包括具有用于接收喷枪喷嘴的中心流体出口孔的气帽。 盖包括围绕孔的一个或多个充电电极,并承载足够大的电压以在与电极上的极性相反的极性的喷雾液滴上引发电压。 盖子包括可旋转的电连接器,以使盖能够旋转360度,同时保持电极和电源之间的电连接。

    Apparatus for dispensing conductive coating materials
    17.
    发明授权
    Apparatus for dispensing conductive coating materials 失效
    用于分配导电涂层材料的装置

    公开(公告)号:US5197676A

    公开(公告)日:1993-03-30

    申请号:US766796

    申请日:1991-09-27

    Abstract: An apparatus is provided for transferring electrically conductive coating materials, such as water-based paint, from at least one source to one or more coating dispensers for discharge onto a substrate. One voltage block is provided to avoid the creation of an electrical path between one or more sources of coating material and the coating material which is electrostatically charged during a coating operation, and a secondary voltage block is provided between each of a number of individual spray guns and the charged coating material so that each spray gun can be electrically isolated from the charged coating material when not is use. The apparatus is optionally provided with a color changer, and/or a heater which is electrically isolated from the charged coating material and is effective to elevate the temperature of the coating material prior to discharge from the spray guns.

    Abstract translation: 提供了一种用于将诸如水性涂料的导电涂层材料从至少一个源转移到一个或多个涂布分配器以放电到基底上的装置。 提供一个电压块以避免在涂覆操作期间在一个或多个涂层材料源和被静电充电的涂层材料之间产生电路径,并且在多个单独的喷枪之间提供二次电压块 和带电涂层材料,使得当不使用时,每个喷枪可以与带电涂层材料电隔离。 该设备可选地设置有一个换色器和/或一个与带电涂层材料电隔离的加热器,并有效地在喷枪排放之前提升涂层材料的温度。

    Electrostatic spraying apparatus
    18.
    发明授权
    Electrostatic spraying apparatus 失效
    静电喷涂装置

    公开(公告)号:US5042723A

    公开(公告)日:1991-08-27

    申请号:US469528

    申请日:1990-03-13

    CPC classification number: B05B5/003 B05B5/0535 B05B5/085 B64D1/18

    Abstract: An apparatus is disclosed suitable for electrostatic spraying from fixed wing aircraft. The apparatus includes a linear electrostatic spraying nozzle 2 and electrodes 4 placed near the nozzle's spraying edge to intensify the electric field strength at the spraying edge sufficiently to produce ligaments of the liquid to be sprayed from the spraying edge. In order that the airstream due to the aircraft's movement does not destroy the ligamets, the sprayhead and the electrodes are positioned so that part of the airstream flows between them. The spray head and the electrodes are so shaped and positioned that when directed to spray in substantially the same direction as the airstream, a turbulence free wake is left in the region of the ligaments.

    Abstract translation: PCT No.PCT / GB87 / 00609 Sec。 371 1990年3月13日 102(e)1990年3月13日PCT PCT 1987年9月22日PCT公布。 公开号WO89 / 02786 日期为1989年4月6日。公开了适用于固定翼飞机静电喷涂的装置。 该装置包括线性静电喷雾喷嘴2和放置在喷嘴喷射边缘附近的电极4,以强化喷雾边缘处的电场强度,足以产生从喷射边缘喷射的液体的韧带。 为了使飞机运动所产生的气流不破坏连接件,喷头和电极被定位成使得气流的一部分在它们之间流动。 喷头和电极的形状和定位方式使得当在与气流大致相同的方向上喷射时,在韧带的区域中留下无湍流的尾流。

    Spray-coating device
    19.
    发明授权
    Spray-coating device 失效
    喷涂装置

    公开(公告)号:US4916571A

    公开(公告)日:1990-04-10

    申请号:US221893

    申请日:1988-07-20

    Applicant: Hans Staheli

    Inventor: Hans Staheli

    CPC classification number: B05B5/10 H02M7/10

    Abstract: A spray-coating device for spraying liquid or powdered coating material on articles includes a transformer for stepping up an alternating voltage and a voltage multiplier circuit for converting the output of the transformer to a high DC output for driving a charging electrode in the spray-coating device. The alternating voltage for the transformer is obtained from a controllable source of alternating voltage which produces a sinusoidal voltage whose frequency is constantly adjusted such that the voltage and current flowing through the transformer are in phase with one another. This assures that the transformer is operated at its resonant frequency.

    Abstract translation: 用于在物品上喷涂液体或粉末涂料的喷涂装置包括用于升高交流电压的变压器和用于将变压器的输出转换成高直流输出的电压倍增器电路,用于驱动喷涂中的充电电极 设备。 用于变压器的交流电压是从可控的交流电源获得的,该交流电源产生一个正弦电压,其频率被不断调节,使得流过变压器的电压和电流彼此同相。 这确保变压器以其谐振频率工作。

    Electronic high-voltage generator for electrostatic sprayer devices
    20.
    发明授权
    Electronic high-voltage generator for electrostatic sprayer devices 失效
    用于静电喷雾器的电子高压发生器

    公开(公告)号:US4674003A

    公开(公告)日:1987-06-16

    申请号:US719466

    申请日:1985-04-03

    CPC classification number: B05B5/10

    Abstract: A high-voltage generator for electrostatic sprayer devices includes a frequency-clocked power amplifier for feeding the primary of a transformer whose secondary is connected to a high-voltage cascade or multiplier circuit. The power amplifier is connected to a controllable low-voltage d.c. voltage source and to a controllable frequency generator, whereby the control of the d.c. voltage source and of the frequency generator is provided by a microcomputer such that the transformer is optimally matched for all voltages appearing at the high-voltage output of the cascade.

    Abstract translation: 一种用于静电喷雾器装置的高压发生器包括用于馈送变压器初级的次频功率放大器,其二次连接到高压级联或乘法器电路。 功率放大器连接到可控的低电压直流。 电压源和可控频率发生器,从而控制直流。 电压源和频率发生器由微计算机提供,使得变压器对于出现在级联的高压输出端的所有电压进行最佳匹配。

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