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    • 1. 发明授权
    • Anti-skipping sprinkler
    • 防跳水喷头
    • US07699116B2
    • 2010-04-20
    • US12000533
    • 2007-12-13
    • John L. de RisHong-Zeng YuBenjamin D. Ditch
    • John L. de RisHong-Zeng YuBenjamin D. Ditch
    • A62C37/11A62C37/08B05B1/28B05B15/04
    • A62C35/68
    • An anti-skipping sprinkler includes a frame defining a central longitudinal axis, the frame including a base portion defining an orifice, and first and second arms extending away from the base portion and joining at a lower end of the frame; a deflector located at the lower end of the frame; an orifice plug held over the orifice by a trigger element including a heat sensitive element; and an anti-skipping shield extending circumferentially around the heat sensitive element. The anti-skipping shield has an upper end and a lower end. The anti-skipping shield is open at the upper end and at the lower end to permit airflow to the heat sensitive element around the upper end and the lower end of the anti-skipping shield.
    • 防跳水喷洒器包括限定中心纵向轴线的框架,框架包括限定孔口的基部部分,以及远离基部部分延伸并在框架下端连接的第一和第二臂部; 位于框架下端的偏转器; 通过包括热敏元件的触发元件保持在孔口上方的孔塞; 以及围绕热敏元件周向延伸的防跳跃屏蔽。 防跳漏屏具有上端和下端。 防跳漏屏蔽在上端和下端是开放的,以允许围绕防跳漏屏蔽的上端和下端的热敏元件气流。
    • 2. 发明申请
    • Anti-skipping sprinkler
    • 防跳水喷头
    • US20090151962A1
    • 2009-06-18
    • US12000533
    • 2007-12-13
    • John L. de RisHong-Zeng YuBenjamin D. Ditch
    • John L. de RisHong-Zeng YuBenjamin D. Ditch
    • A62C37/08A62C35/00A62C35/68
    • A62C35/68
    • An anti-skipping sprinkler includes a frame defining a central longitudinal axis, the frame including a base portion defining an orifice, and first and second arms extending away from the base portion and joining at a lower end of the frame; a deflector located at the lower end of the frame; an orifice plug held over the orifice by a trigger element including a heat sensitive element; and an anti-skipping shield extending circumferentially around the heat sensitive element. The anti-skipping shield has an upper end and a lower end. The anti-skipping shield is open at the upper end and at the lower end to permit airflow to the heat sensitive element around the upper end and the lower end of the anti-skipping shield.
    • 防跳水喷洒器包括限定中心纵向轴线的框架,框架包括限定孔口的基部部分,以及远离基部部分延伸并在框架下端连接的第一和第二臂部; 位于框架下端的偏转器; 通过包括热敏元件的触发元件保持在孔口上方的孔塞; 以及围绕热敏元件周向延伸的防跳跃屏蔽。 防跳漏屏具有上端和下端。 防跳漏屏蔽在上端和下端是开放的,以允许围绕防跳漏屏蔽的上端和下端的热敏元件气流。
    • 3. 发明授权
    • System valve activation methods for deluge-like wet pipe sprinkler system
    • 雨水式湿式喷淋系统的系统阀门活化方法
    • US07857069B2
    • 2010-12-28
    • US11633615
    • 2006-12-05
    • Hong-Zeng Yu
    • Hong-Zeng Yu
    • A62C2/00A62C35/00A62C37/36A62C37/08A62C3/06A62C37/10B05B3/00B05B15/06
    • A62C35/605
    • A method for activating a sprinkler system comprises maintaining a liquid extinguishant in system pipes under a standby pressure that is less than the operating pressure, determining an arrangement of the sprinklers that will control a fire, and opening the sprinkler system valve in response to a drop in pressure in each of the pipes to which at least one of the sprinklers of the arrangement is connected. An alternate method comprises providing a bypass around the system valve, and opening the system valve in response to (1) a predetermined flow of liquid extinguishant through the bypass and (2) a drop in pressure in the sprinkler system below a predetermined pressure. In a variation of the alternate method, the system valve is opened in response only to a predetermined flow of liquid extinguishant through the bypass.
    • 一种用于启动喷洒系统的方法,包括在小于操作压力的待机压力下,在系统管道中保持液体灭火剂,确定将控制火灾的喷洒器的布置,以及响应于下降而打开喷洒系统阀门 在每个配管中的至少一个喷洒器连接到的管中的压力。 替代方法包括围绕系统阀提供旁路,并且响应于(1)通过旁路的预定流动的液体灭火剂和(2)喷洒系统中的压力下降到预定压力以下来打开系统阀。 在替代方法的变型中,系统阀仅响应于通过旁路的预定流动的液体灭火剂而打开。
    • 4. 发明申请
    • Deluge-like sprinkler fire scheme using high thermal sensitivity and high temperature rating sensing elements
    • 使用高热敏感性和高温额定值传感元件的流浪式喷水灭火方案
    • US20060289174A1
    • 2006-12-28
    • US11370904
    • 2006-03-09
    • Hong-Zeng Yu
    • Hong-Zeng Yu
    • A62C35/00
    • A62C35/58A62C37/08
    • A fire protection sprinkler system has sprinklers whose thermal elements operate quickly, having high thermal sensitivity, specifically, RTI values of 40-100 (ft sec)1/2, and a high temperature rating, in the range of 190° F.-650° F., preferably 212° F.-650° F., which temperatures are generally higher than the temperatures of a ceiling gas flow outside the designated area above a fire such that the combination of said Response Time Index value and said temperature rating prevents the sprinklers outside a designated area directly above the fire from actuating before extinguishant under said pressure is discharged from any of the sprinklers of the sprinkler system. The opening of a system valve upstream of all of the sprinklers of the system is synchronized with the actuation of the first sprinkler or sprinklers so that water is not discharged under full pressure from any actuated sprinklers until all of the sprinklers in the designated area are actuated, whereby sprinkler skipping is avoided.
    • 防火喷淋系统具有散热器,其热元件快速操作,具有高热敏感性,特别是40-100(ft sec)<1/2>的RTI值,在高温范围内 190°F-650°F,优选212°F-650°F,这些温度通常高于在火上方的指定区域之外的天花板气流的温度,使得所述响应时间 指示值和所述温度额定值可以防止在灭火剂之前正好在火上方的指定区域之外的喷洒器在所述压力从喷洒系统的任何喷洒器排出之前启动。 在系统的所有喷洒器上游的系统阀的打开与第一喷洒器或喷洒器的致动同步,使得水不会在全压力下从任何致动的喷洒器排出,直到指定区域中的所有喷洒器被致动 ,从而避免跳水。
    • 6. 发明授权
    • Characterization of mist sprays using a phase-doppler particle analyzer and an iso-kinetic sampling probe
    • 使用相位多普勒粒子分析仪和等动力学取样探针表征雾喷
    • US07181952B2
    • 2007-02-27
    • US10868953
    • 2004-06-17
    • Benjamin DitchHong-Zeng Yu
    • Benjamin DitchHong-Zeng Yu
    • G01F1/74
    • G01F1/68G01F1/74G01N1/2035
    • A method for quantifying droplet fluxes of a water mist spray uses different measuring apparatuses and compares the measurements of the two apparatuses with one another. One of the measuring apparatuses is an iso-kinetic sampling probe in which the air velocity of the portion of the water spray mist entering the probe is made equal to the air velocity of the water mist spray around the probe by connecting a source of vacuum to the probe. The drops of the spray entering the probe are prevented from passing out of the probe. The air velocity of the spray entering the probe is measured by an anemometer, the drops of the entering spray are collected in a reservoir, and the depth of water in the reservoir is measured by a differential pressure transducer. The output of the pressure transducer is sent to a computer that calculates the water collection rate based on the sectional area of the probe opening and the water collection rate in the reservoir.
    • 用于定量水雾喷雾的液滴通量的方法使用不同的测量装置,并将两个装置的测量值彼此进行比较。 其中一个测量装置是等动力取样探头,其中进入探头的喷水雾的部分的空气速度等于通过将真空源连接到探针周围的水雾喷雾的空气速度 探针。 进入探头的喷雾液滴被阻止从探针中流出。 通过风速计测量进入探头的喷雾的空气速度,将进入的喷雾的液滴收集在储存器中,并且通过差压传感器测量储存器中的水的深度。 压力传感器的输出被发送到计算机,该计算机基于探头开口的截面积和储存器中的水收集率来计算采集率。
    • 8. 发明申请
    • System valve activation methods for deluge-like wet pipe sprinkler system
    • 雨水式湿式喷淋系统的系统阀门活化方法
    • US20080128143A1
    • 2008-06-05
    • US11633615
    • 2006-12-05
    • Hong-Zeng Yu
    • Hong-Zeng Yu
    • A62C35/60
    • A62C35/605
    • A method for activating a sprinkler system comprises maintaining a liquid extinguishant in system pipes under a standby pressure that is less than the operating pressure, determining an arrangement of the sprinklers that will control a fire, and opening the sprinkler system valve in response to a drop in pressure in each of the pipes to which at least one of the sprinklers of the arrangement is connected. An alternate method comprises providing a bypass around the system valve, and opening the system valve in response to (1) a predetermined flow of liquid extinguishant through the bypass and (2) a drop in pressure in the sprinkler system below a predetermined pressure. In a variation of the alternate method, the system valve is opened in response only to a predetermined flow of liquid extinguishant through the bypass.
    • 一种用于启动喷洒系统的方法,包括在小于操作压力的待机压力下,在系统管道中保持液体灭火剂,确定将控制火灾的喷洒器的布置,以及响应于下降而打开喷洒系统阀门 在每个配管中的至少一个喷洒器连接到的管中的压力。 替代方法包括围绕系统阀提供旁路,并且响应于(1)通过旁路的预定流动的液体灭火剂和(2)喷洒系统中的压力下降到预定压力以下来打开系统阀。 在替代方法的变型中,系统阀仅响应于通过旁路的预定流动的液体灭火剂而打开。