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1. 发明授权

US09480186B2 Apparatus and method for facilitating air cooling of an electronics rack 有权
标题翻译：用于促进电子机架的空气冷却的装置和方法
公开(公告)号：US09480186B2
公开(公告)日：2016-10-25
申请号：US11958528
申请日：2007-12-18
申请人： Steven J. Ahladas , David P. Graybill , Madhusudan K. Iyengar , Roger R. Schmidt , Prabjit Singh , Gerard V. Weber, Jr.
发明人： Steven J. Ahladas , David P. Graybill , Madhusudan K. Iyengar , Roger R. Schmidt , Prabjit Singh , Gerard V. Weber, Jr.
IPC分类号： H05K5/00 , H05K7/20
CPC分类号： H05K7/20745 , H05K7/20736
摘要： Apparatus and method are provided for facilitating air cooling of an electronics rack. The apparatus includes a tile assembly, temperature sensor and controller. The tile assembly is disposed adjacent to the electronics rack, and includes a perforated tile and one or more controllable air-moving devices associated with the perforated tile for moving air through the perforated tile. The temperature sensor is positioned for sensing air temperature adjacent and external to, or within, the electronics rack, and the controller is coupled to the tile assembly and the temperature sensor for controlling operation of the air-moving device. Airflow through the tile assembly is adjusted based on air temperature sensed, thereby facilitating air cooling of the electronics rack. In one embodiment, the tile assembly is a floor tile assembly with an air-to-liquid heat exchanger disposed between the perforated tile and the air-moving device for cooling air passing through the floor tile assembly.
摘要翻译：提供了用于促进电子机架的空气冷却的装置和方法。该装置包括瓦片组件，温度传感器和控制器。瓦片组件邻近电子机架布置，并且包括穿孔瓦片和与穿孔瓦片相关联的一个或多个可控空气移动装置，用于使空气移动穿过穿孔瓦片。温度传感器被定位成用于感测电子机架附近或外部的空气温度，并且控制器耦合到瓦片组件和温度传感器，以控制空气移动装置的操作。基于感测的空气温度调节通过瓦片组件的气流，从而有助于电子机架的空气冷却。在一个实施例中，瓦片组件是地板砖组件，其中空气 - 液体热交换器设置在穿孔瓦片和空气移动装置之间，用于冷却通过地板瓦片组件的空气。

2. 发明授权

US5204633A Electromagnetic contactor with closure fault indicator 失效
标题翻译：带闭合故障指示器的电磁接触器
公开(公告)号：US5204633A
公开(公告)日：1993-04-20
申请号：US841127
申请日：1992-02-25
申请人： Steven J. Ahladas , Edward J. Seminaro
发明人： Steven J. Ahladas , Edward J. Seminaro
IPC分类号： H01H50/00 , G01R31/327 , H01H47/00 , H01H47/32
CPC分类号： G01R31/3278 , H01H47/002 , H01H47/325 , H01H2047/008
摘要： An electromagnetic contactor assembly with a sensing circuit for determining contactor state based upon the reluctance of the contactor coil. The coil has an electromagnetic coil and a movable contact separated from the coil by a gap when the coil is not energized. Energizing the coil causes the movable contact to close the gap and contact the coil. The determination of the relationship between the reluctance in the coil when the gap is in an open and closed state allows contactor gap status to be measured by measuring the coil inductance. A sensing circuit is added to the drive circuit to measure changes in AC current during the pulse cycle which holds the contacts in this closed position. The sensing circuit measures the AC current and is able to signal contactor status based on that value.

3. 发明授权

US07768222B2 Automated control of rotational velocity of an air-moving device of an electronics rack responsive to an event 有权
标题翻译：自动控制响应于事件的电子机架的空气移动装置的旋转速度
公开(公告)号：US07768222B2
公开(公告)日：2010-08-03
申请号：US12031952
申请日：2008-02-15
申请人： Steven J. Ahladas , Gary N. Goth , Robert P. Makowicki , Katie L. Pizzolato
发明人： Steven J. Ahladas , Gary N. Goth , Robert P. Makowicki , Katie L. Pizzolato
IPC分类号： H02P7/00 , H02P31/00
CPC分类号： G01K13/00 , G06F1/206
摘要： Automated control is provided of rotational velocity of an air-moving device cooling an electronics subsystem of an electronics rack. The automated control includes: automatically responding to a failure event associated with the electronics subsystem of the rack by setting rotational velocity of the air-moving device to a first upper limit (RPM1) above a normal operating limit; sensing motor temperature of a motor of the air-moving device; automatically increasing rotational velocity of the air-moving device to a second upper limit (RPM2) if the sensed motor temperature is below a first predefined temperature threshold (T1), wherein RPM2>RPM 1; maintaining rotational velocity of the air-moving device at the second upper limit while the sensed motor temperature is below a second predefined temperature threshold (T2), wherein T2>T1; and returning to normal operating rotational velocity of the air-moving device subsequent to servicing of the electronics rack responsive to the event.
摘要翻译：提供了冷却电子机架的电子子系统的空气移动装置的旋转速度的自动控制。自动控制包括：通过将空气移动装置的旋转速度设定在高于正常操作极限的第一上限（RPM1）来自动响应与机架的电子子系统相关联的故障事件; 感测气动装置的电机的电机温度; 如果感测到的电动机温度低于第一预定温度阈值（T1），则将空气移动装置的旋转速度自动增加到第二上限（RPM2），其中RPM2> RPM1; 在感测到的电动机温度低于第二预定温度阈值（T2）的同时保持空气移动装置的旋转速度处于第二上限，其中T2> T1; 并且响应于该事件，在对电子机架进行维修之后，返回到空气移动装置的正常操作旋转速度。

4. 发明申请

US20090156114A1 APPARATUS AND METHOD FOR FACILITATING AIR COOLING OF AN ELECTRONICS RACK 有权
标题翻译：用于促进电子机架的空气冷却的装置和方法
公开(公告)号：US20090156114A1
公开(公告)日：2009-06-18
申请号：US11958528
申请日：2007-12-18
申请人： Steven J. AHLADAS , David P. GRAYBILL , Madhusudan K. IYENGAR , Roger R. SCHMIDT , Prabjit SINGH , Gerard V. WEBER, JR.
发明人： Steven J. AHLADAS , David P. GRAYBILL , Madhusudan K. IYENGAR , Roger R. SCHMIDT , Prabjit SINGH , Gerard V. WEBER, JR.
IPC分类号： H05K5/00
CPC分类号： H05K7/20745 , H05K7/20736
摘要： Apparatus and method are provided for facilitating air cooling of an electronics rack. The apparatus includes a tile assembly, temperature sensor and controller. The tile assembly is disposed adjacent to the electronics rack, and includes a perforated tile and one or more controllable air-moving devices associated with the perforated tile for moving air through the perforated tile. The temperature sensor is positioned for sensing air temperature adjacent and external to, or within, the electronics rack, and the controller is coupled to the tile assembly and the temperature sensor for controlling operation of the air-moving device. Airflow through the tile assembly is adjusted based on air temperature sensed, thereby facilitating air cooling of the electronics rack. In one embodiment, the tile assembly is a floor tile assembly with an air-to-liquid heat exchanger disposed between the perforated tile and the air-moving device for cooling air passing through the floor tile assembly.
摘要翻译：提供了用于促进电子机架的空气冷却的装置和方法。该装置包括瓦片组件，温度传感器和控制器。瓦片组件邻近电子机架布置，并且包括穿孔瓦片和与穿孔瓦片相关联的一个或多个可控空气移动装置，用于使空气移动穿过穿孔瓦片。温度传感器被定位成用于感测电子机架附近或外部的空气温度，并且控制器耦合到瓦片组件和温度传感器，以控制空气移动装置的操作。基于感测的空气温度调节通过瓦片组件的气流，从而有助于电子机架的空气冷却。在一个实施例中，瓦片组件是地板砖组件，其中空气 - 液体热交换器设置在穿孔瓦片和空气移动装置之间，用于冷却通过地板瓦片组件的空气。

5. 发明申请

US20110036540A1 ENVIRONMENTAL CONDITIONING SYSTEM FOR A COMPUTER ROOM 审中-公开
标题翻译：计算机室环境调节系统
公开(公告)号：US20110036540A1
公开(公告)日：2011-02-17
申请号：US12540485
申请日：2009-08-13
申请人： Steven J. Ahladas , David P. Graybill , Donald W. Porter , Roger R. Schmidt , Gerard V. Weber, JR.
发明人： Steven J. Ahladas , David P. Graybill , Donald W. Porter , Roger R. Schmidt , Gerard V. Weber, JR.
IPC分类号： F24H9/06 , F28D15/00
CPC分类号： H05K7/20836 , F24F2221/40 , F28D1/024 , F28D1/0477 , H05K7/20745
摘要： An environmental conditioning system for a computer room includes a perforated tile, a heat exchanger mounted to the perforated tile, and a forced air system mounted to the heat exchanger. The forced air system being configured and disposed to direct a flow of air having a first temperature into the heat exchanger. The flow of air exits the heat exchanger at a second temperature and passes through the perforated tile into the computer room. The second temperature is distinct from the first temperature.
摘要翻译：用于计算机室的环境调节系统包括穿孔瓦片，安装到穿孔瓦片上的热交换器和安装到热交换器的强制空气系统。强制空气系统被构造和设置成将具有第一温度的空气流引导到热交换器中。空气流在第二温度下离开热交换器，并穿过穿孔的瓦片进入计算机室。第二个温度与第一个温度不同。

6. 发明申请

US20090207880A1 AUTOMATED CONTROL OF ROTATIONAL VELOCITY OF AN AIR-MOVING DEVICE OF AN ELECTRONICS RACK RESPONSIVE TO AN EVENT 有权
标题翻译：对事件响应的电子机架的空气移动装置的旋转速度的自动控制
公开(公告)号：US20090207880A1
公开(公告)日：2009-08-20
申请号：US12031952
申请日：2008-02-15
申请人： Steven J. AHLADAS , Gary N. GOTH , Robert P. MAKOWICKI , Katie L. PIZZOLATO
发明人： Steven J. AHLADAS , Gary N. GOTH , Robert P. MAKOWICKI , Katie L. PIZZOLATO
IPC分类号： G01K13/00
CPC分类号： G01K13/00 , G06F1/206
摘要： Automated control is provided of rotational velocity of an air-moving device cooling an electronics subsystem of an electronics rack. The automated control includes: automatically responding to a failure event associated with the electronics subsystem of the rack by setting rotational velocity of the air-moving device to a first upper limit (RPM1) above a normal operating limit; sensing motor temperature of a motor of the air-moving device; automatically increasing rotational velocity of the air-moving device to a second upper limit (RPM2) if the sensed motor temperature is below a first predefined temperature threshold (T1), wherein RPM2>RPM 1; maintaining rotational velocity of the air-moving device at the second upper limit while the sensed motor temperature is below a second predefined temperature threshold (T2), wherein T2>T1; and returning to normal operating rotational velocity of the air-moving device subsequent to servicing of the electronics rack responsive to the event.
摘要翻译：提供了冷却电子机架的电子子系统的空气移动装置的旋转速度的自动控制。自动控制包括：通过将空气移动装置的旋转速度设定在高于正常操作极限的第一上限（RPM1）来自动响应与机架的电子子系统相关联的故障事件; 感测气动装置的电机的电机温度; 如果感测到的电动机温度低于第一预定温度阈值（T1），则将空气移动装置的旋转速度自动增加到第二上限（RPM2），其中RPM2> RPM1; 在感测到的电动机温度低于第二预定温度阈值（T2）的同时保持空气移动装置的旋转速度处于第二上限，其中T2> T1; 并且响应于该事件，在对电子机架进行维修之后，返回到空气移动装置的正常操作旋转速度。

7. 发明授权

US5519600A Three-phase self-balancing power supply 失效
标题翻译：三相自平衡电源
公开(公告)号：US5519600A
公开(公告)日：1996-05-21
申请号：US414990
申请日：1995-03-31
申请人： Steven J. Ahladas
发明人： Steven J. Ahladas
IPC分类号： H02J9/06 , H02M7/162 , H02M7/217
CPC分类号： H02M7/162 , H02J9/061 , Y10T307/582
摘要： In a delta-connected power supply system, phase switching circuits are employed and are activated during the failure of one of N+1 converter units. This activation is employed even though there has been no outage in any one of the input phases. The result is two operating converters running in effect as three-phase converters. Since each of the converters then acts as a full wave three-phase bridge with a resistor load, the line currents are perfectly balanced although unity power factor is not maintained during this non-normal mode of operation. In such circumstances, higher power factor is temporarily sacrificed to achieve continuous operation and therefore higher overall system reliability.
摘要翻译：在三角形连接的电源系统中，使用相位切换电路，并且在N + 1个转换器单元之一的故障期间被激活。即使在任何一个输入阶段中没有中断，也采用该激活。结果是两个运行转换器作为三相转换器运行。由于每个转换器都用作具有电阻负载的全波三相电桥，因此线路电流是完美平衡的，尽管在这种非正常工作模式下不维持单位功率因数。在这种情况下，暂时牺牲更高的功率因数以实现连续运行，从而提高整个系统的可靠性。

8. 发明授权

US5307005A Zero current switching reverse recovery circuit 失效
标题翻译：零电流开关反向恢复电路
公开(公告)号：US5307005A
公开(公告)日：1994-04-26
申请号：US996323
申请日：1992-12-23
申请人： Steven J. Ahladas , Kevin R. Covi
发明人： Steven J. Ahladas , Kevin R. Covi
IPC分类号： H02M3/155 , H02M3/158 , H03K17/0814 , H03K17/13 , G05F1/613
CPC分类号： H03K17/133 , H02M3/158 , H03K17/08142
摘要： Disclosed is a circuit for preventing damage to a controllable switching circuit as a result of a reverse recovery current originating from a rectifier circuit coupled to the controllable switching element during recovery of the rectifier circuit. The damage prevention circuit includes a reactive impedance circuit coupled in parallel with the rectifier circuit for controlling a reverse recovery current from the rectifier circuit during recovery of the rectifier circuit. A second controllable switching element is employed to direct the reverse recovery current to the reactive impedance circuit in response to recovery of the rectifier. The second controllable switch also directs the reverse recovery current from the reactive impedance circuit to a load, wherein the reverse recovery current may be safely diminished.
摘要翻译：公开了一种用于在整流电路恢复期间由于源自与可控开关元件耦合的整流电路的反向恢复电流而导致可控开关电路的损坏的电路。损坏防止电路包括与整流电路并联耦合的无功阻抗电路，用于在整流电路恢复期间控制来自整流电路的反向恢复电流。采用第二可控开关元件来响应于整流器的恢复而将反向恢复电流引导到无功阻抗电路。第二可控开关还将反向恢复电流从无功阻抗电路引导到负载，其中反向恢复电流可以安全地减小。

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