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公开(公告)号：US07826215B2
公开(公告)日：2010-11-02
申请号：US12032230
申请日：2008-02-15
CPC分类号： H05K7/20836 , H05K7/20727
摘要： A temperature isolation duct in a computer system comprising a chassis securing a circuit board and a fan system that draws air through the chassis, and a heat-generating component is mounted on the circuit board and exposed to the air flow. The hot air duct passively directs air heated by the heat-generating component from a single hot air duct inlet in direct downstream alignment with the heat-generating component to a single hot air duct outlet. A thermal sensor is secured within, or in direct alignment with, the hot air duct near the duct outlet for sensing the temperature of air flowing through the hot air duct and generating a temperature signal. A controller is in electronic communication with the thermal sensor for receiving the temperature signal and in electronic communication with the fan system for sending a fan speed control signal.
摘要翻译： 计算机系统中的温度隔离管道，包括固定电路板的底盘和通过底盘吸入空气的风扇系统，以及发电部件安装在电路板上并暴露于空气流中。 热风管道将发热部件加热的空气从发热部件直接下游对准，将单个热风管道入口导向单个热风管道出口。 热传感器固定在管道出口附近的热空气管道内或与其直接对准，以便感测流过热风管道的空气的温度并产生温度信号。 控制器与热传感器进行电子通信，用于接收温度信号，并与风扇系统进行电子通信，以发送风扇速度控制信号。
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2.发明申请System and Method for Determining Air Density Based on Temperature Sensor Data 有权基于温度传感器数据确定空气密度的系统和方法公开(公告)号：US20090249862A1
公开(公告)日：2009-10-08
申请号：US12033149
申请日：2008-02-19
申请人： Troy Williams Glover , Michael Sean June , Whitcomb Randolph Scott, III , Robert Salguero Smith
发明人： Troy Williams Glover , Michael Sean June , Whitcomb Randolph Scott, III , Robert Salguero Smith
CPC分类号： H05K7/20209 , G06F1/20 , G06F1/206
摘要： A computer system and method for measuring air density in a computer chassis. The computer chassis includes a fan, an ambient air temperature sensor, and a heat-generating device with a heat sink, a heat sink temperature sensor, and a controller. The controller controls the fan speed and applies a known amount of thermal energy to the heat sink, then determines the air density from the difference in temperature between the ambient air and the heat sink. The controller may then use the air density determination to adjust the air flow rate through the computer chassis to provide a proper air flow rate for cooling.
摘要翻译： 一种用于测量计算机机箱中的空气密度的计算机系统和方法。 计算机机箱包括风扇，环境空气温度传感器和具有散热器的发热装置，散热器温度传感器和控制器。 控制器控制风扇速度并将已知量的热能施加到散热器，然后根据环境空气和散热器之间的温度差确定空气密度。 然后，控制器可以使用空气密度确定来调节通过计算机机箱的空气流量，以提供用于冷却的适当的空气流速。
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公开(公告)号：US07120019B2
公开(公告)日：2006-10-10
申请号：US10920575
申请日：2004-08-18
IPC分类号： H05K7/20
CPC分类号： H01L23/467 , F04D19/007 , F04D25/0613 , F04D25/082 , F04D25/166 , H01L2924/0002 , H01L2924/00
摘要： A structure for cooling an electronic component includes a heat sink attached to the component, an inner air duct extending into a central portion of the heat sink, and an outer air duct extending into an outer portion of the heat sink. In inner fan, within the inner air duct, moves air in one direction, while an outer fan, in the outer air duct, moves air in the other direction. The fans may be built as separate rotors, or as separate portions of a single rotor.
摘要翻译： 用于冷却电子部件的结构包括附接到部件的散热器，延伸到散热器的中心部分的内部空气管道和延伸到散热器的外部部分的外部空气管道。 在内部风扇内部，在内部空气管道内沿一个方向移动空气，而外部空气管道中的外部风扇沿另一个方向移动空气。 风扇可以构建为单独的转子，或者作为单个转子的分离部分。
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公开(公告)号：US07038911B2
公开(公告)日：2006-05-02
申请号：US10881358
申请日：2004-06-30
IPC分类号： H05K7/20
CPC分类号： H01L23/467 , H01L2924/0002 , H01L2924/00
摘要： A heat sink having an air flow director on each of multiple fins attached to a heat sink base. The air flow directors direct most of the air flow from dual push-pull fans towards a midline and a geometric center of the heat sink base, which is above the hottest part of the integrated circuit (IC) package being cooled by the heat sink. The rest of the air flow from the push-pull fans impinges against the air flow directors, providing additional cooling to the fins.
摘要翻译： 散热器，其具有附接到散热器底座的多个翅片中的每一个上的空气流动导向器。 气流导向器将来自双推挽风扇的大部分空气流导向散热器底座的中线和几何中心，散热器底座位于集成电路（IC）封装的最热部分之上，由散热片冷却。 来自推挽风扇的其余气流冲击气流导向器，为散热片提供额外的冷却。
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5.发明授权Reduced-impedance cooling system with variable pitch blade and hot-swappable spare 有权减速冷却系统采用变桨距叶片和热插拔备用公开(公告)号：US08113776B2
公开(公告)日：2012-02-14
申请号：US12100906
申请日：2008-04-10
IPC分类号： F03B3/12
CPC分类号： F04D29/582 , F04D19/007 , F04D25/166 , F04D27/008 , F04D29/362 , F04D29/601
摘要： A method of operating variable pitch fans in series to cool an operating computer system. The method comprises running a first variable pitch fan with blades positioned at an operational pitch to induce airflow through the computer system and through a second variable pitch fan disposed in series with the first fan, and, simultaneously, not running the second variable pitch fan with blades positioned for minimal impedance to the airflow. In response to detecting a failure condition of the first fan, the method includes running the second fan with blades positioned at an operational pitch to induce airflow through the computer system and through the first fan, and, simultaneously, not running the first fan with blades positioned for minimal impedance to the airflow. Preferably, the method includes locking the rotor of a fan that is not running, and locking the blades of the non-running fan in a minimal impedance position.
摘要翻译： 串联运行变桨距风扇以冷却操作计算机系统的方法。 该方法包括运行具有位于操作间距处的叶片的第一可变节距风扇，以引导通过计算机系统的气流，并通过与第一风扇串联布置的第二可变节距风扇，并且同时不运行第二变桨距风扇， 叶片定位为对气流的最小阻抗。 响应于检测到第一风扇的故障状况，该方法包括使具有位于操作间距处的叶片运行第二风扇，以引导通过计算机系统和通过第一风扇的气流，并且同时不使用叶片运行第一风扇 定位为对气流的最小阻抗。 优选地，该方法包括锁定未运行的风扇的转子，并且将非行驶风扇的叶片锁定在最小的阻抗位置。
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6.发明授权System and method for determining air density based on temperature sensor data 有权基于温度传感器数据确定空气密度的系统和方法公开(公告)号：US08054627B2
公开(公告)日：2011-11-08
申请号：US12033149
申请日：2008-02-19
申请人： Troy Williams Glover , Michael Sean June , Whitcomb Randolph Scott, III , Robert Salguero Smith
发明人： Troy Williams Glover , Michael Sean June , Whitcomb Randolph Scott, III , Robert Salguero Smith
IPC分类号： H05K7/20
CPC分类号： H05K7/20209 , G06F1/20 , G06F1/206
摘要： A computer system and method for measuring air density in a computer chassis. The computer chassis includes a fan, an ambient air temperature sensor, and a heat-generating device with a heat sink, a heat sink temperature sensor, and a controller. The controller controls the fan speed and applies a known amount of thermal energy to the heat sink, then determines the air density from the difference in temperature between the ambient air and the heat sink. The controller may then use the air density determination to adjust the air flow rate through the computer chassis to provide a proper air flow rate for cooling.
摘要翻译： 一种用于测量计算机机箱中的空气密度的计算机系统和方法。 计算机机箱包括风扇，环境空气温度传感器和具有散热器的发热装置，散热器温度传感器和控制器。 控制器控制风扇速度并将已知量的热能施加到散热器，然后根据环境空气和散热器之间的温度差确定空气密度。 然后，控制器可以使用空气密度确定来调节通过计算机机箱的空气流量，以提供用于冷却的适当的空气流速。
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公开(公告)号：US20080130222A1
公开(公告)日：2008-06-05
申请号：US11940126
申请日：2007-11-14
IPC分类号： H05K7/20
CPC分类号： H01L23/467 , H01L2924/0002 , Y10T29/49826 , H01L2924/00
摘要： A fan sink that includes a dual impeller push-pull axial fan and a heat sink to cool a hot electronic device is presented. The axial fan has a hub motor, a first impeller that is radially proximate to the hub motor, and a second impeller that is radially distal to the hub motor, wherein the first impeller pushes air in a first direction and the second impeller pulls air in a second direction. The heat sink is oriented between the axial fan and the hot electronic device such that the hot electronic device, the heat sink, and the axial fan are axially oriented, wherein cool air is forced onto the heat sink by one impeller in the axial fan, and wherein heated air from the heat sink is removed by an other impeller in the axial fan.
摘要翻译： 提出了一种风扇水槽，其包括双叶轮推拉式轴流风扇和散热器来冷却热电子设备。 轴流式风扇具有轮毂马达，径向靠近轮毂马达的第一叶轮和径向远离轮毂马达的第二叶轮，其中第一叶轮沿第一方向推动空气，而第二叶轮将空气推入 第二个方向。 散热器在轴流风扇和热电子设备之间定向，使得热电子设备，散热器和轴流风扇轴向定向，其中冷空气通过轴流风扇中的一个叶轮被推到散热器上， 并且其中来自所述散热器的加热空气被所述轴流风扇中的另一个叶轮除去。
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公开(公告)号：US07085134B2
公开(公告)日：2006-08-01
申请号：US10881339
申请日：2004-06-30
IPC分类号： H05K7/20
CPC分类号： H01L23/467 , H01L2924/0002 , H01L2924/00
摘要： A heat sink having graduated lengths of fins, with the tallest fins being in the center of the heat sink to provide maximum heat removal from a mated integrated circuit (IC) chip. Dual fans impinge air against the fins, and particularly the tallest fins, to provide a highly efficient system for heat removal from the IC chip. By reducing the size of the lateral fins, additional space is made available for the dual fans. The use of the dual fans allows the fans to run at a lower speed that a single fan, thus reducing an overall fan acoustic level. Furthermore, the dual fans allow for a backup fan system if one of the fans should fail.
摘要翻译： 具有分级长度的翅片的散热器，最高的散热片位于散热器的中心，以从配合的集成电路（IC）芯片提供最大的散热。 双风扇将空气冲击散热片，特别是最高的散热片，以提供从IC芯片散热的高效系统。 通过减小横向翅片的尺寸，可以为双风扇提供额外的空间。 使用双风扇允许风扇以较低的速度运行单个风扇，从而降低整体风扇声级。 此外，双风扇允许备份风扇系统，如果其中一个风扇出现故障。
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9.发明申请Reduced-Impedance Cooling System With Variable Pitch Blade And Hot-Swappable Spare 有权具有可变节距叶片和热插拔备用的减阻阻尼制冷系统公开(公告)号：US20090257872A1
公开(公告)日：2009-10-15
申请号：US12100906
申请日：2008-04-10
IPC分类号： F03B3/12
CPC分类号： F04D29/582 , F04D19/007 , F04D25/166 , F04D27/008 , F04D29/362 , F04D29/601
摘要： A method of operating variable pitch fans in series to cool an operating computer system. The method comprises running a first variable pitch fan with blades positioned at an operational pitch to induce airflow through the computer system and through a second variable pitch fan disposed in series with the first fan, and, simultaneously, not running the second variable pitch fan with blades positioned for minimal impedance to the airflow. In response to detecting a failure condition of the first fan, the method includes running the second fan with blades positioned at an operational pitch to induce airflow through the computer system and through the first fan, and, simultaneously, not running the first fan with blades positioned for minimal impedance to the airflow. Preferably, the method includes locking the rotor of a fan that is not running, and locking the blades of the non-running fan in a minimal impedance position.
摘要翻译： 串联运行变桨距风扇以冷却操作计算机系统的方法。 该方法包括运行具有位于操作间距处的叶片的第一可变节距风扇，以引导通过计算机系统的气流，并通过与第一风扇串联布置的第二可变节距风扇，并且同时不运行第二变桨距风扇， 叶片定位为对气流的最小阻抗。 响应于检测到第一风扇的故障状况，该方法包括使用位于操作间距的叶片运行第二风扇，以引导通过计算机系统和通过第一风扇的气流，并且同时不使用叶片运行第一风扇 定位为对气流的最小阻抗。 优选地，该方法包括锁定未运行的风扇的转子，并且将非行驶风扇的叶片锁定在最小的阻抗位置。
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10.发明申请AIR-PRESSURE-DEPENDENT CONTROL OF COOLING SYSTEMS USING A SHARED AIR PRESSURE SENSOR 审中-公开使用共享空气压力传感器的冷却系统的空气压力依赖控制公开(公告)号：US20080304229A1
公开(公告)日：2008-12-11
申请号：US11759681
申请日：2007-06-07
申请人： Michael Sean June , Robert Salguero Smith , Troy Williams Glover , Whitcomb Randolph Scott, III
发明人： Michael Sean June , Robert Salguero Smith , Troy Williams Glover , Whitcomb Randolph Scott, III
CPC分类号： G06F1/20 , H05K7/20736 , H05K7/20836
摘要： Systems and methods provide altitude-dependent fan control for a plurality of electronic subsystems using a shared air pressure sensor. Each server or multi-server chassis of a rack system is a subsystem of the rack system. Each subsystem receives its own on-board fan or blower module. The shared air pressure sensor senses air pressure and outputs a signal to all of the subsystems. Each subsystem then independently regulates its own fan speed according to the signal output by the shared air pressure sensor. Other fan operational parameters, such as the number of fans recruited, may also be controlled according to altitude according to the invention. A variety of other performance parameters, such as internal air or component temperature, ambient air temperature, server workload, and processor activity level, may also be factored into control of these fan operational parameters.
摘要翻译： 系统和方法使用共享空气压力传感器为多个电子子系统提供高度依赖风扇控制。 机架系统的每个服务器或多服务器机箱都是机架系统的子系统。 每个子系统接收自己的机载风扇或鼓风机模块。 共享空气压力传感器感测气压，并向所有子系统输出信号。 然后，每个子系统根据共享空气压力传感器输出的信号独立调节风扇转速。 还可以根据本发明根据高度控制其他风扇操作参数，例如所招募的风扇数量。 还可以将这些风扇操作参数的各种其他性能参数，诸如内部空气或组件温度，环境空气温度，服务器工作负载以及处理器活动级别考虑在内。
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