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    • 1. 发明申请
    • Filter system for an electronic equipment enclosure
    • 电子设备外壳的过滤系统
    • US20050108996A1
    • 2005-05-26
    • US10722810
    • 2003-11-26
    • Steven LathamMarvin GarciaMichael Cosley
    • Steven LathamMarvin GarciaMichael Cosley
    • B01D46/00B01D46/12B01D46/46B01D46/54G11B33/14H05K7/20B01D50/00
    • B01D46/0023B01D46/0086B01D46/12B01D46/46B01D46/54B01D2267/40B01D2273/30G11B33/146H05K7/20181Y10S95/90
    • A filter system including a method for self cleaning the filter system of an electronic equipment enclosure where air flow is monitored either by monitoring fan performance or air flow velocity through the enclosure. The system includes two filters elements, an upstream ASHRAE or HEPA filter element to block particulate matter and a downstream PTFE filter element to block water vapor. The ASHRAE or HEPA filter element is relatively inexpensive and easy to clean. The PTFE filter element is more expensive and difficult to clean. Thus, the cheaper filter is used to protect the more expensive filter from contaminants and to increase its useful life. The method of self cleaning includes stopping the fan when a signal is received indicating a predetermined resistance to air flow which is a function of blockage of the filter elements, thereafter operating the fan at an increased rotational velocity to determine whether the fan itself is malfunctioning, thereafter slowing and stopping the fan to allow the fan to be reversed, rotating the fan in reverse for a predetermined period of time, such as five minutes, thereafter slowing and stopping the fan and returning the fan to its usual rotational velocity and direction. If the resistance to air flow is still above a predetermined level, the fan is again slowed, stopped and reversed and then returned to normal operation. The reversal operation can be conducted a multiple number of times, however, after a predetermined number, a signal is sent requesting maintenance.
    • 一种过滤系统,包括用于通过监测风扇性能或通过外壳的空气流速度来自动清洁电子设备外壳的过滤系统的方法,其中监测气流。 该系统包括两个过滤器元件,用于阻挡颗粒物质的上游ASHRAE或HEPA过滤元件和用于阻挡水蒸气的下游PTFE过滤元件。 ASHRAE或HEPA过滤元件相对便宜且易于清洁。 PTFE过滤元件更昂贵,难以清洗。 因此,更便宜的过滤器用于保护更昂贵的过滤器免于污染物并增加其使用寿命。 自清洁方法包括当接收到指示预定的阻力的过滤器元件的空气流动的信号时停止风扇,此后以增加的转速操作风扇以确定风扇本身是否发生故障, 然后减速并停止风扇以允许风扇反转,将风扇反向旋转预定的时间段(例如五分钟),然后减慢并停止风扇并使风扇返回到其通常的旋转速度和方向。 如果气流阻力仍高于预定值,则风扇再次变慢,停止并反转,然后恢复正常运行。 反转操作可以进行多次,然而,在预定数量之后,发送请求维护的信号。
    • 2. 发明申请
    • Filter system for electronic equipment enclosure
    • 电子设备外壳过滤系统
    • US20070251381A1
    • 2007-11-01
    • US11821953
    • 2007-06-26
    • Steven LathamMarvin GarciaMichael Cosley
    • Steven LathamMarvin GarciaMichael Cosley
    • B01D46/46B01D53/02
    • B01D46/0023B01D46/0086B01D46/12B01D46/46B01D46/54B01D2267/40B01D2273/30G11B33/146H05K7/20181Y10S95/90
    • A filter system including a method for self cleaning the filter system of an electronic equipment enclosure where air flow is monitored either by monitoring fan performance of air flow velocity through the enclosure. The system includes two filters elements, an upstream ASHRAE or HEPA filter element to block particulate matter and a downstream PTFE filter element to block water vapor. The ASHRAE or HEPA filter element is relatively inexpensive and easy to clean. The PTFE filter element is more expensive and difficult to clean. Thus, the cheaper filter is used to protect the more expensive filter from contaminants and to increase its useful life. The method of self cleaning includes stopping the fan when a signal is received indicating a predetermined resistance to air flow which is a function of blockage of the filter elements, thereafter operating the fan at an increased rotational velocity to determine whether the fan itself is malfunctioning, thereafter slowing and stopping the fan to allow the fan to be reversed, rotating the fan in reverse for a predetermined period of time, such as five minutes, thereafter slowing and stopping the fan and returning the fan to its usual rotational velocity and direction. If the resistance to air flow is still above a predetermined level, the fan is again slowed, stopped and reversed and then returned to normal operation. The reversal operation can be conducted a multiple number of times, however, after a predetermined number, a signal is sent requesting maintenance
    • 一种过滤系统,包括用于自动清洁电子设备外壳的过滤系统的方法,其中通过监测通过外壳的空气流速的风扇性能来监测气流。 该系统包括两个过滤器元件,用于阻挡颗粒物质的上游ASHRAE或HEPA过滤元件和用于阻挡水蒸气的下游PTFE过滤元件。 ASHRAE或HEPA过滤元件相对便宜且易于清洁。 PTFE过滤元件更昂贵,难以清洗。 因此,更便宜的过滤器用于保护更昂贵的过滤器免于污染物并增加其使用寿命。 自清洁方法包括当接收到指示预定的阻力的过滤器元件的空气流动的信号时停止风扇,此后以增加的转速操作风扇以确定风扇本身是否发生故障, 然后减速并停止风扇以允许风扇反转,将风扇反向旋转预定的时间段(例如五分钟),然后减慢并停止风扇并使风扇返回到其通常的旋转速度和方向。 如果气流阻力仍高于预定值,则风扇再次变慢,停止并反转,然后恢复正常运行。 反转操作可以进行多次,然而,在预定数量之后,发送请求维护的信号
    • 5. 发明授权
    • Radial jet reattachment nozzle heat sink module for cooling electronics
    • 径向喷射重新连接喷嘴散热模块,用于冷却电子设备
    • US5553394A
    • 1996-09-10
    • US438691
    • 1995-05-11
    • Michael Cosley
    • Michael Cosley
    • H01L23/473F26B19/00B05B1/26F26B25/06
    • H01L23/4735H01L2924/0002
    • A radial jet nozzle for use in cooling a subject body. The radial jet nozzle includes a duct communicating with a plenum and a tapered flow diverter body positioned within the duct for comtrollably diverting the flow of a heat transfer medium through the duct. Heat transfer medium flowing through the duct is controllably, radially directed away from a discharge port of the duct. Flow from the discharge port of the radial jet nozzle creates a negative pressure in an area between a head of the diverter body and target surface of the subject body. The negative pressure increases the heat transfer rate which also increases the mass flow rate without damage to the target surface thereby enhancing the convective heat transfer characteristics of the heat transfer medium. The invention also envisions a method for cooling a subject body employing a radial jet nozzle to radially direct the heat transfer medium relative to the target surface to create a negative pressure zone which enhances the performances of the heat transfer device.
    • 用于冷却被检体的径向喷嘴。 径向喷嘴包括与集气室连通的管道和位于管道内的锥形流体分流器主体,用于可共同地将传热介质的流动转移通过管道。 流过管道的传热介质可控制地径向地远离管道的排放口。 从径向喷嘴的排出口流出,在分流体的头部与被检体的目标面之间的区域产生负压。 负压增加了传热速率,这也增加了质量流量而不损害目标表面,从而增强了传热介质的对流传热特性。 本发明还设想一种使用径向喷射喷嘴冷却主体的方法,用于相对于目标表面径向引导传热介质,以产生增强传热装置性能的负压区。